tree.c
上传用户:sy_wanhua
上传日期:2013-07-25
资源大小:3048k
文件大小:112k
- /*
- * tree.c : implemetation of access function for an XML tree.
- *
- * See Copyright for the status of this software.
- *
- * Daniel.Veillard@w3.org
- */
- #ifdef WIN32
- #include "win32config.h"
- #else
- #include "config.h"
- #endif
- #include <stdio.h>
- #include <string.h> /* for memset() only ! */
- #ifdef HAVE_CTYPE_H
- #include <ctype.h>
- #endif
- #ifdef HAVE_STDLIB_H
- #include <stdlib.h>
- #endif
- #ifdef HAVE_ZLIB_H
- #include <zlib.h>
- #endif
- #include <libxml/xmlmemory.h>
- #include <libxml/tree.h>
- #include <libxml/parser.h>
- #include <libxml/entities.h>
- #include <libxml/valid.h>
- static xmlChar xmlStringText[] = { 't', 'e', 'x', 't', 0 };
- static xmlChar xmlStringComment[] = { 'c', 'o', 'm', 'm', 'e', 'n', 't', 0 };
- int oldXMLWDcompatibility = 0;
- int xmlIndentTreeOutput = 0;
- xmlBufferAllocationScheme xmlBufferAllocScheme = XML_BUFFER_ALLOC_EXACT;
- static int xmlCompressMode = 0;
- static int xmlCheckDTD = 1;
- int xmlSaveNoEmptyTags = 0;
- #define IS_BLANK(c)
- (((c) == 'n') || ((c) == 'r') || ((c) == 't') || ((c) == ' '))
- #define UPDATE_LAST_CHILD(n) if ((n) != NULL) {
- xmlNodePtr ulccur = (n)->children;
- if (ulccur == NULL) {
- (n)->last = NULL;
- } else {
- while (ulccur->next != NULL) ulccur = ulccur->next;
- (n)->last = ulccur;
- }}
- /* #define DEBUG_BUFFER */
- /* #define DEBUG_TREE */
- /************************************************************************
- * *
- * Allocation and deallocation of basic structures *
- * *
- ************************************************************************/
-
- /**
- * xmlSetBufferAllocationScheme:
- * @scheme: allocation method to use
- *
- * Set the buffer allocation method. Types are
- * XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down
- * XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed,
- * improves performance
- */
- void
- xmlSetBufferAllocationScheme(xmlBufferAllocationScheme scheme) {
- xmlBufferAllocScheme = scheme;
- }
- /**
- * xmlGetBufferAllocationScheme:
- *
- * Types are
- * XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down
- * XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed,
- * improves performance
- *
- * Returns the current allocation scheme
- */
- xmlBufferAllocationScheme
- xmlGetBufferAllocationScheme() {
- return xmlBufferAllocScheme;
- }
- /**
- * xmlUpgradeOldNs:
- * @doc: a document pointer
- *
- * Upgrade old style Namespaces (PI) and move them to the root of the document.
- */
- void
- xmlUpgradeOldNs(xmlDocPtr doc) {
- xmlNsPtr cur;
- if ((doc == NULL) || (doc->oldNs == NULL)) return;
- if (doc->children == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlUpgradeOldNs: failed no root !n");
- #endif
- return;
- }
- cur = doc->oldNs;
- while (cur->next != NULL) {
- cur->type = XML_LOCAL_NAMESPACE;
- cur = cur->next;
- }
- cur->type = XML_LOCAL_NAMESPACE;
- cur->next = doc->children->nsDef;
- doc->children->nsDef = doc->oldNs;
- doc->oldNs = NULL;
- }
- /**
- * xmlNewNs:
- * @node: the element carrying the namespace
- * @href: the URI associated
- * @prefix: the prefix for the namespace
- *
- * Creation of a new Namespace. This function will refuse to create
- * a namespace with a similar prefix than an existing one present on this
- * node.
- * Returns returns a new namespace pointer or NULL
- */
- xmlNsPtr
- xmlNewNs(xmlNodePtr node, const xmlChar *href, const xmlChar *prefix) {
- xmlNsPtr cur;
- if (href == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewNs: href == NULL !n");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new Namespace and fill the fields.
- */
- cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewNs : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNs));
- cur->type = XML_LOCAL_NAMESPACE;
- if (href != NULL)
- cur->href = xmlStrdup(href);
- if (prefix != NULL)
- cur->prefix = xmlStrdup(prefix);
- /*
- * Add it at the end to preserve parsing order ...
- * and checks for existing use of the prefix
- */
- if (node != NULL) {
- if (node->nsDef == NULL) {
- node->nsDef = cur;
- } else {
- xmlNsPtr prev = node->nsDef;
- if (((prev->prefix == NULL) && (cur->prefix == NULL)) ||
- (!xmlStrcmp(prev->prefix, cur->prefix))) {
- xmlFreeNs(cur);
- return(NULL);
- }
- while (prev->next != NULL) {
- prev = prev->next;
- if (((prev->prefix == NULL) && (cur->prefix == NULL)) ||
- (!xmlStrcmp(prev->prefix, cur->prefix))) {
- xmlFreeNs(cur);
- return(NULL);
- }
- }
- prev->next = cur;
- }
- }
- return(cur);
- }
- /**
- * xmlNewGlobalNs:
- * @doc: the document carrying the namespace
- * @href: the URI associated
- * @prefix: the prefix for the namespace
- *
- * Creation of a Namespace, the old way using PI and without scoping
- * DEPRECATED !!!
- * It now create a namespace on the root element of the document if found.
- * Returns NULL this functionnality had been removed
- */
- xmlNsPtr
- xmlNewGlobalNs(xmlDocPtr doc, const xmlChar *href, const xmlChar *prefix) {
- xmlNodePtr root;
- xmlNsPtr cur;
-
- root = xmlDocGetRootElement(doc);
- if (root != NULL)
- return(xmlNewNs(root, href, prefix));
-
- /*
- * if there is no root element yet, create an old Namespace type
- * and it will be moved to the root at save time.
- */
- cur = (xmlNsPtr) xmlMalloc(sizeof(xmlNs));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewGlobalNs : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNs));
- cur->type = XML_GLOBAL_NAMESPACE;
- if (href != NULL)
- cur->href = xmlStrdup(href);
- if (prefix != NULL)
- cur->prefix = xmlStrdup(prefix);
- /*
- * Add it at the end to preserve parsing order ...
- */
- if (doc != NULL) {
- if (doc->oldNs == NULL) {
- doc->oldNs = cur;
- } else {
- xmlNsPtr prev = doc->oldNs;
- while (prev->next != NULL) prev = prev->next;
- prev->next = cur;
- }
- }
- return(NULL);
- }
- /**
- * xmlSetNs:
- * @node: a node in the document
- * @ns: a namespace pointer
- *
- * Associate a namespace to a node, a posteriori.
- */
- void
- xmlSetNs(xmlNodePtr node, xmlNsPtr ns) {
- if (node == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlSetNs: node == NULLn");
- #endif
- return;
- }
- node->ns = ns;
- }
- /**
- * xmlFreeNs:
- * @cur: the namespace pointer
- *
- * Free up the structures associated to a namespace
- */
- void
- xmlFreeNs(xmlNsPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeNs : ns == NULLn");
- #endif
- return;
- }
- if (cur->href != NULL) xmlFree((char *) cur->href);
- if (cur->prefix != NULL) xmlFree((char *) cur->prefix);
- memset(cur, -1, sizeof(xmlNs));
- xmlFree(cur);
- }
- /**
- * xmlFreeNsList:
- * @cur: the first namespace pointer
- *
- * Free up all the structures associated to the chained namespaces.
- */
- void
- xmlFreeNsList(xmlNsPtr cur) {
- xmlNsPtr next;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeNsList : ns == NULLn");
- #endif
- return;
- }
- while (cur != NULL) {
- next = cur->next;
- xmlFreeNs(cur);
- cur = next;
- }
- }
- /**
- * xmlNewDtd:
- * @doc: the document pointer
- * @name: the DTD name
- * @ExternalID: the external ID
- * @SystemID: the system ID
- *
- * Creation of a new DTD for the external subset. To create an
- * internal subset, use xmlCreateIntSubset().
- *
- * Returns a pointer to the new DTD structure
- */
- xmlDtdPtr
- xmlNewDtd(xmlDocPtr doc, const xmlChar *name,
- const xmlChar *ExternalID, const xmlChar *SystemID) {
- xmlDtdPtr cur;
- if ((doc != NULL) && (doc->extSubset != NULL)) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewDtd(%s): document %s already have a DTD %sn",
- /* !!! */ (char *) name, doc->name,
- /* !!! */ (char *)doc->extSubset->name);
- #endif
- return(NULL);
- }
- /*
- * Allocate a new DTD and fill the fields.
- */
- cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewDtd : malloc failedn");
- return(NULL);
- }
- memset(cur, 0 , sizeof(xmlDtd));
- cur->type = XML_DTD_NODE;
- if (name != NULL)
- cur->name = xmlStrdup(name);
- if (ExternalID != NULL)
- cur->ExternalID = xmlStrdup(ExternalID);
- if (SystemID != NULL)
- cur->SystemID = xmlStrdup(SystemID);
- if (doc != NULL)
- doc->extSubset = cur;
- cur->doc = doc;
- return(cur);
- }
- /**
- * xmlGetIntSubset:
- * @doc: the document pointer
- *
- * Get the internal subset of a document
- * Returns a pointer to the DTD structure or NULL if not found
- */
- xmlDtdPtr
- xmlGetIntSubset(xmlDocPtr doc) {
- xmlNodePtr cur;
- if (doc == NULL)
- return(NULL);
- cur = doc->children;
- while (cur != NULL) {
- if (cur->type == XML_DTD_NODE)
- return((xmlDtdPtr) cur);
- cur = cur->next;
- }
- return((xmlDtdPtr) doc->intSubset);
- }
- /**
- * xmlCreateIntSubset:
- * @doc: the document pointer
- * @name: the DTD name
- * @ExternalID: the external ID
- * @SystemID: the system ID
- *
- * Create the internal subset of a document
- * Returns a pointer to the new DTD structure
- */
- xmlDtdPtr
- xmlCreateIntSubset(xmlDocPtr doc, const xmlChar *name,
- const xmlChar *ExternalID, const xmlChar *SystemID) {
- xmlDtdPtr cur;
- if ((doc != NULL) && (xmlGetIntSubset(doc) != NULL)) {
- #ifdef DEBUG_TREE
- fprintf(stderr,
- "xmlCreateIntSubset(): document %s already have an internal subsetn",
- doc->name);
- #endif
- return(NULL);
- }
- /*
- * Allocate a new DTD and fill the fields.
- */
- cur = (xmlDtdPtr) xmlMalloc(sizeof(xmlDtd));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewDtd : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlDtd));
- cur->type = XML_DTD_NODE;
- if (name != NULL)
- cur->name = xmlStrdup(name);
- if (ExternalID != NULL)
- cur->ExternalID = xmlStrdup(ExternalID);
- if (SystemID != NULL)
- cur->SystemID = xmlStrdup(SystemID);
- if (doc != NULL) {
- doc->intSubset = cur;
- cur->parent = doc;
- cur->doc = doc;
- if (doc->children == NULL) {
- doc->children = (xmlNodePtr) cur;
- doc->last = (xmlNodePtr) cur;
- } else {
- xmlNodePtr prev;
- prev = doc->last;
- prev->next = (xmlNodePtr) cur;
- cur->prev = prev;
- doc->last = (xmlNodePtr) cur;
- }
- }
- return(cur);
- }
- /**
- * xmlFreeDtd:
- * @cur: the DTD structure to free up
- *
- * Free a DTD structure.
- */
- void
- xmlFreeDtd(xmlDtdPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeDtd : DTD == NULLn");
- #endif
- return;
- }
- if (cur->children != NULL) {
- xmlNodePtr next, c = cur->children;
- /*
- * Cleanup all the DTD comments they are not in the Dtd
- * indexes.
- */
- while (c != NULL) {
- next = c->next;
- if (c->type == XML_COMMENT_NODE) {
- xmlUnlinkNode(c);
- xmlFreeNode(c);
- }
- c = next;
- }
- }
- if (cur->name != NULL) xmlFree((char *) cur->name);
- if (cur->SystemID != NULL) xmlFree((char *) cur->SystemID);
- if (cur->ExternalID != NULL) xmlFree((char *) cur->ExternalID);
- /* TODO !!! */
- if (cur->notations != NULL)
- xmlFreeNotationTable((xmlNotationTablePtr) cur->notations);
-
- if (cur->elements != NULL)
- xmlFreeElementTable((xmlElementTablePtr) cur->elements);
- if (cur->attributes != NULL)
- xmlFreeAttributeTable((xmlAttributeTablePtr) cur->attributes);
- if (cur->entities != NULL)
- xmlFreeEntitiesTable((xmlEntitiesTablePtr) cur->entities);
- memset(cur, -1, sizeof(xmlDtd));
- xmlFree(cur);
- }
- /**
- * xmlNewDoc:
- * @version: xmlChar string giving the version of XML "1.0"
- *
- * Returns a new document
- */
- xmlDocPtr
- xmlNewDoc(const xmlChar *version) {
- xmlDocPtr cur;
- if (version == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewDoc : version == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new document and fill the fields.
- */
- cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewDoc : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlDoc));
- cur->type = XML_DOCUMENT_NODE;
- cur->version = xmlStrdup(version);
- cur->standalone = -1;
- cur->compression = -1; /* not initialized */
- cur->doc = cur;
- return(cur);
- }
- /**
- * xmlFreeDoc:
- * @cur: pointer to the document
- * @:
- *
- * Free up all the structures used by a document, tree included.
- */
- void
- xmlFreeDoc(xmlDocPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeDoc : document == NULLn");
- #endif
- return;
- }
- if (cur->version != NULL) xmlFree((char *) cur->version);
- if (cur->name != NULL) xmlFree((char *) cur->name);
- if (cur->encoding != NULL) xmlFree((char *) cur->encoding);
- if (cur->children != NULL) xmlFreeNodeList(cur->children);
- if (cur->intSubset != NULL) xmlFreeDtd(cur->intSubset);
- if (cur->extSubset != NULL) xmlFreeDtd(cur->extSubset);
- if (cur->oldNs != NULL) xmlFreeNsList(cur->oldNs);
- if (cur->ids != NULL) xmlFreeIDTable((xmlIDTablePtr) cur->ids);
- if (cur->refs != NULL) xmlFreeRefTable((xmlRefTablePtr) cur->refs);
- if (cur->URL != NULL) xmlFree((char *) cur->URL);
- memset(cur, -1, sizeof(xmlDoc));
- xmlFree(cur);
- }
- /**
- * xmlStringLenGetNodeList:
- * @doc: the document
- * @value: the value of the text
- * @len: the length of the string value
- *
- * Parse the value string and build the node list associated. Should
- * produce a flat tree with only TEXTs and ENTITY_REFs.
- * Returns a pointer to the first child
- */
- xmlNodePtr
- xmlStringLenGetNodeList(xmlDocPtr doc, const xmlChar *value, int len) {
- xmlNodePtr ret = NULL, last = NULL;
- xmlNodePtr node;
- xmlChar *val;
- const xmlChar *cur = value;
- const xmlChar *q;
- xmlEntityPtr ent;
- if (value == NULL) return(NULL);
- q = cur;
- while ((*cur != 0) && (cur - value < len)) {
- if (*cur == '&') {
- /*
- * Save the current text.
- */
- if (cur != q) {
- if ((last != NULL) && (last->type == XML_TEXT_NODE)) {
- xmlNodeAddContentLen(last, q, cur - q);
- } else {
- node = xmlNewDocTextLen(doc, q, cur - q);
- if (node == NULL) return(ret);
- if (last == NULL)
- last = ret = node;
- else {
- last->next = node;
- node->prev = last;
- last = node;
- }
- }
- }
- /*
- * Read the entity string
- */
- cur++;
- q = cur;
- while ((*cur != 0) && (cur - value < len) && (*cur != ';')) cur++;
- if ((*cur == 0) || (cur - value >= len)) {
- #ifdef DEBUG_TREE
- fprintf(stderr,
- "xmlStringLenGetNodeList: unterminated entity %30sn", q);
- #endif
- return(ret);
- }
- if (cur != q) {
- /*
- * Predefined entities don't generate nodes
- */
- val = xmlStrndup(q, cur - q);
- ent = xmlGetDocEntity(doc, val);
- if ((ent != NULL) &&
- (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) {
- if (last == NULL) {
- node = xmlNewDocText(doc, ent->content);
- last = ret = node;
- } else
- xmlNodeAddContent(last, ent->content);
-
- } else {
- /*
- * Create a new REFERENCE_REF node
- */
- node = xmlNewReference(doc, val);
- if (node == NULL) {
- if (val != NULL) xmlFree(val);
- return(ret);
- }
- if (last == NULL)
- last = ret = node;
- else {
- last->next = node;
- node->prev = last;
- last = node;
- }
- }
- xmlFree(val);
- }
- cur++;
- q = cur;
- } else
- cur++;
- }
- if (cur != q) {
- /*
- * Handle the last piece of text.
- */
- if ((last != NULL) && (last->type == XML_TEXT_NODE)) {
- xmlNodeAddContentLen(last, q, cur - q);
- } else {
- node = xmlNewDocTextLen(doc, q, cur - q);
- if (node == NULL) return(ret);
- if (last == NULL)
- last = ret = node;
- else {
- last->next = node;
- node->prev = last;
- last = node;
- }
- }
- }
- return(ret);
- }
- /**
- * xmlStringGetNodeList:
- * @doc: the document
- * @value: the value of the attribute
- *
- * Parse the value string and build the node list associated. Should
- * produce a flat tree with only TEXTs and ENTITY_REFs.
- * Returns a pointer to the first child
- */
- xmlNodePtr
- xmlStringGetNodeList(xmlDocPtr doc, const xmlChar *value) {
- xmlNodePtr ret = NULL, last = NULL;
- xmlNodePtr node;
- xmlChar *val;
- const xmlChar *cur = value;
- const xmlChar *q;
- xmlEntityPtr ent;
- if (value == NULL) return(NULL);
- q = cur;
- while (*cur != 0) {
- if (*cur == '&') {
- /*
- * Save the current text.
- */
- if (cur != q) {
- if ((last != NULL) && (last->type == XML_TEXT_NODE)) {
- xmlNodeAddContentLen(last, q, cur - q);
- } else {
- node = xmlNewDocTextLen(doc, q, cur - q);
- if (node == NULL) return(ret);
- if (last == NULL)
- last = ret = node;
- else {
- last->next = node;
- node->prev = last;
- last = node;
- }
- }
- }
- /*
- * Read the entity string
- */
- cur++;
- q = cur;
- while ((*cur != 0) && (*cur != ';')) cur++;
- if (*cur == 0) {
- #ifdef DEBUG_TREE
- fprintf(stderr,
- "xmlStringGetNodeList: unterminated entity %30sn", q);
- #endif
- return(ret);
- }
- if (cur != q) {
- /*
- * Predefined entities don't generate nodes
- */
- val = xmlStrndup(q, cur - q);
- ent = xmlGetDocEntity(doc, val);
- if ((ent != NULL) &&
- (ent->etype == XML_INTERNAL_PREDEFINED_ENTITY)) {
- if (last == NULL) {
- node = xmlNewDocText(doc, ent->content);
- last = ret = node;
- } else
- xmlNodeAddContent(last, ent->content);
-
- } else {
- /*
- * Create a new REFERENCE_REF node
- */
- node = xmlNewReference(doc, val);
- if (node == NULL) {
- if (val != NULL) xmlFree(val);
- return(ret);
- }
- if (last == NULL)
- last = ret = node;
- else {
- last->next = node;
- node->prev = last;
- last = node;
- }
- }
- xmlFree(val);
- }
- cur++;
- q = cur;
- } else
- cur++;
- }
- if (cur != q) {
- /*
- * Handle the last piece of text.
- */
- if ((last != NULL) && (last->type == XML_TEXT_NODE)) {
- xmlNodeAddContentLen(last, q, cur - q);
- } else {
- node = xmlNewDocTextLen(doc, q, cur - q);
- if (node == NULL) return(ret);
- if (last == NULL)
- last = ret = node;
- else {
- last->next = node;
- node->prev = last;
- last = node;
- }
- }
- }
- return(ret);
- }
- /**
- * xmlNodeListGetString:
- * @doc: the document
- * @list: a Node list
- * @inLine: should we replace entity contents or show their external form
- *
- * Returns the string equivalent to the text contained in the Node list
- * made of TEXTs and ENTITY_REFs
- * Returns a pointer to the string copy, the calller must free it.
- */
- xmlChar *
- xmlNodeListGetString(xmlDocPtr doc, xmlNodePtr list, int inLine) {
- xmlNodePtr node = list;
- xmlChar *ret = NULL;
- xmlEntityPtr ent;
- if (list == NULL) return(NULL);
- while (node != NULL) {
- if (node->type == XML_TEXT_NODE) {
- if (inLine) {
- #ifndef XML_USE_BUFFER_CONTENT
- ret = xmlStrcat(ret, node->content);
- #else
- ret = xmlStrcat(ret, xmlBufferContent(node->content));
- #endif
- } else {
- xmlChar *buffer;
- #ifndef XML_USE_BUFFER_CONTENT
- buffer = xmlEncodeEntitiesReentrant(doc, node->content);
- #else
- buffer = xmlEncodeEntitiesReentrant(doc,
- xmlBufferContent(node->content));
- #endif
- if (buffer != NULL) {
- ret = xmlStrcat(ret, buffer);
- xmlFree(buffer);
- }
- }
- } else if (node->type == XML_ENTITY_REF_NODE) {
- if (inLine) {
- ent = xmlGetDocEntity(doc, node->name);
- if (ent != NULL)
- ret = xmlStrcat(ret, ent->content);
- else {
- #ifndef XML_USE_BUFFER_CONTENT
- ret = xmlStrcat(ret, node->content);
- #else
- ret = xmlStrcat(ret, xmlBufferContent(node->content));
- #endif
- }
- } else {
- xmlChar buf[2];
- buf[0] = '&'; buf[1] = 0;
- ret = xmlStrncat(ret, buf, 1);
- ret = xmlStrcat(ret, node->name);
- buf[0] = ';'; buf[1] = 0;
- ret = xmlStrncat(ret, buf, 1);
- }
- }
- #if 0
- else {
- fprintf(stderr, "xmlGetNodeListString : invalide node type %dn",
- node->type);
- }
- #endif
- node = node->next;
- }
- return(ret);
- }
- /**
- * xmlNewProp:
- * @node: the holding node
- * @name: the name of the attribute
- * @value: the value of the attribute
- *
- * Create a new property carried by a node.
- * Returns a pointer to the attribute
- */
- xmlAttrPtr
- xmlNewProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) {
- xmlAttrPtr cur;
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewProp : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new property and fill the fields.
- */
- cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewProp : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlAttr));
- cur->type = XML_ATTRIBUTE_NODE;
- cur->parent = node;
- cur->name = xmlStrdup(name);
- if (value != NULL) {
- xmlChar *buffer;
- xmlNodePtr tmp;
- buffer = xmlEncodeEntitiesReentrant(node->doc, value);
- cur->children = xmlStringGetNodeList(node->doc, buffer);
- tmp = cur->children;
- while (tmp != NULL) {
- tmp->parent = (xmlNodePtr) cur;
- if (tmp->next == NULL)
- cur->last = tmp;
- tmp = tmp->next;
- }
- xmlFree(buffer);
- }
- /*
- * Add it at the end to preserve parsing order ...
- */
- if (node != NULL) {
- if (node->properties == NULL) {
- node->properties = cur;
- } else {
- xmlAttrPtr prev = node->properties;
- while (prev->next != NULL) prev = prev->next;
- prev->next = cur;
- cur->prev = prev;
- }
- }
- return(cur);
- }
- /**
- * xmlNewNsProp:
- * @node: the holding node
- * @ns: the namespace
- * @name: the name of the attribute
- * @value: the value of the attribute
- *
- * Create a new property tagged with a namespace and carried by a node.
- * Returns a pointer to the attribute
- */
- xmlAttrPtr
- xmlNewNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name,
- const xmlChar *value) {
- xmlAttrPtr cur;
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewProp : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new property and fill the fields.
- */
- cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewProp : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlAttr));
- cur->type = XML_ATTRIBUTE_NODE;
- cur->parent = node;
- if (node != NULL)
- cur->doc = node->doc;
- cur->ns = ns;
- cur->name = xmlStrdup(name);
- if (value != NULL) {
- xmlChar *buffer;
- xmlNodePtr tmp;
- buffer = xmlEncodeEntitiesReentrant(node->doc, value);
- cur->children = xmlStringGetNodeList(node->doc, buffer);
- tmp = cur->children;
- while (tmp != NULL) {
- tmp->parent = (xmlNodePtr) cur;
- if (tmp->next == NULL)
- cur->last = tmp;
- tmp = tmp->next;
- }
- xmlFree(buffer);
- }
- /*
- * Add it at the end to preserve parsing order ...
- */
- if (node != NULL) {
- if (node->properties == NULL) {
- node->properties = cur;
- } else {
- xmlAttrPtr prev = node->properties;
- while (prev->next != NULL) prev = prev->next;
- prev->next = cur;
- cur->prev = prev;
- }
- }
- return(cur);
- }
- /**
- * xmlNewDocProp:
- * @doc: the document
- * @name: the name of the attribute
- * @value: the value of the attribute
- *
- * Create a new property carried by a document.
- * Returns a pointer to the attribute
- */
- xmlAttrPtr
- xmlNewDocProp(xmlDocPtr doc, const xmlChar *name, const xmlChar *value) {
- xmlAttrPtr cur;
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewProp : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new property and fill the fields.
- */
- cur = (xmlAttrPtr) xmlMalloc(sizeof(xmlAttr));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewProp : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlAttr));
- cur->type = XML_ATTRIBUTE_NODE;
- cur->name = xmlStrdup(name);
- cur->doc = doc;
- if (value != NULL)
- cur->children = xmlStringGetNodeList(doc, value);
- return(cur);
- }
- /**
- * xmlFreePropList:
- * @cur: the first property in the list
- *
- * Free a property and all its siblings, all the children are freed too.
- */
- void
- xmlFreePropList(xmlAttrPtr cur) {
- xmlAttrPtr next;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreePropList : property == NULLn");
- #endif
- return;
- }
- while (cur != NULL) {
- next = cur->next;
- xmlFreeProp(cur);
- cur = next;
- }
- }
- /**
- * xmlFreeProp:
- * @cur: an attribute
- *
- * Free one attribute, all the content is freed too
- */
- void
- xmlFreeProp(xmlAttrPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeProp : property == NULLn");
- #endif
- return;
- }
- /* Check for ID removal -> leading to invalid references ! */
- if ((cur->parent != NULL) &&
- (xmlIsID(cur->parent->doc, cur->parent, cur)))
- xmlRemoveID(cur->parent->doc, cur);
- if (cur->name != NULL) xmlFree((char *) cur->name);
- if (cur->children != NULL) xmlFreeNodeList(cur->children);
- memset(cur, -1, sizeof(xmlAttr));
- xmlFree(cur);
- }
- /**
- * xmlRemoveProp:
- * @cur: an attribute
- *
- * Unlink and free one attribute, all the content is freed too
- * Note this doesn't work for namespace definition attributes
- *
- * Returns 0 if success and -1 in case of error.
- */
- int
- xmlRemoveProp(xmlAttrPtr cur) {
- xmlAttrPtr tmp;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlRemoveProp : cur == NULLn");
- #endif
- return(-1);
- }
- if (cur->parent == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlRemoveProp : cur->parent == NULLn");
- #endif
- return(-1);
- }
- tmp = cur->parent->properties;
- if (tmp == cur) {
- cur->parent->properties = cur->next;
- xmlFreeProp(cur);
- return(0);
- }
- while (tmp != NULL) {
- if (tmp->next == cur) {
- tmp->next = cur->next;
- if (tmp->next != NULL)
- tmp->next->prev = tmp;
- xmlFreeProp(cur);
- return(0);
- }
- tmp = tmp->next;
- }
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlRemoveProp : attribute not owned by its noden");
- #endif
- return(-1);
- }
- /**
- * xmlNewPI:
- * @name: the processing instruction name
- * @content: the PI content
- *
- * Creation of a processing instruction element.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewPI(const xmlChar *name, const xmlChar *content) {
- xmlNodePtr cur;
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewPI : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewPI : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_PI_NODE;
- cur->name = xmlStrdup(name);
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrdup(content);
- #else
- cur->content = xmlBufferCreateSize(0);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, -1);
- #endif
- }
- return(cur);
- }
- /**
- * xmlNewNode:
- * @ns: namespace if any
- * @name: the node name
- *
- * Creation of a new node element. @ns and @content are optionnal (NULL).
- * If content is non NULL, a child list containing the TEXTs and
- * ENTITY_REFs node will be created.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewNode(xmlNsPtr ns, const xmlChar *name) {
- xmlNodePtr cur;
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewNode : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewNode : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_ELEMENT_NODE;
-
- cur->name = xmlStrdup(name);
- cur->ns = ns;
- return(cur);
- }
- /**
- * xmlNewDocNode:
- * @doc: the document
- * @ns: namespace if any
- * @name: the node name
- * @content: the XML text content if any
- *
- * Creation of a new node element within a document. @ns and @content
- * are optionnal (NULL).
- * NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities
- * references, but XML special chars need to be escaped first by using
- * xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't
- * need entities support.
- *
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewDocNode(xmlDocPtr doc, xmlNsPtr ns,
- const xmlChar *name, const xmlChar *content) {
- xmlNodePtr cur;
- cur = xmlNewNode(ns, name);
- if (cur != NULL) {
- cur->doc = doc;
- if (content != NULL) {
- cur->children = xmlStringGetNodeList(doc, content);
- UPDATE_LAST_CHILD(cur)
- }
- }
- return(cur);
- }
- /**
- * xmlNewDocRawNode:
- * @doc: the document
- * @ns: namespace if any
- * @name: the node name
- * @content: the text content if any
- *
- * Creation of a new node element within a document. @ns and @content
- * are optionnal (NULL).
- *
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewDocRawNode(xmlDocPtr doc, xmlNsPtr ns,
- const xmlChar *name, const xmlChar *content) {
- xmlNodePtr cur;
- cur = xmlNewNode(ns, name);
- if (cur != NULL) {
- cur->doc = doc;
- if (content != NULL) {
- cur->children = xmlNewDocText(doc, content);
- UPDATE_LAST_CHILD(cur)
- }
- }
- return(cur);
- }
- /**
- * xmlNewDocFragment:
- * @doc: the document owning the fragment
- *
- * Creation of a new Fragment node.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewDocFragment(xmlDocPtr doc) {
- xmlNodePtr cur;
- /*
- * Allocate a new DocumentFragment node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewDocFragment : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_DOCUMENT_FRAG_NODE;
- cur->doc = doc;
- return(cur);
- }
- /**
- * xmlNewText:
- * @content: the text content
- *
- * Creation of a new text node.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewText(const xmlChar *content) {
- xmlNodePtr cur;
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewText : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_TEXT_NODE;
- cur->name = xmlStrdup(xmlStringText);
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrdup(content);
- #else
- cur->content = xmlBufferCreateSize(0);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, -1);
- #endif
- }
- return(cur);
- }
- /**
- * xmlNewTextChild:
- * @parent: the parent node
- * @ns: a namespace if any
- * @name: the name of the child
- * @content: the text content of the child if any.
- *
- * Creation of a new child element, added at the end of @parent children list.
- * @ns and @content parameters are optionnal (NULL). If content is non NULL,
- * a child TEXT node will be created containing the string content.
- *
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewTextChild(xmlNodePtr parent, xmlNsPtr ns,
- const xmlChar *name, const xmlChar *content) {
- xmlNodePtr cur, prev;
- if (parent == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewTextChild : parent == NULLn");
- #endif
- return(NULL);
- }
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewTextChild : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new node
- */
- if (ns == NULL)
- cur = xmlNewDocRawNode(parent->doc, parent->ns, name, content);
- else
- cur = xmlNewDocRawNode(parent->doc, ns, name, content);
- if (cur == NULL) return(NULL);
- /*
- * add the new element at the end of the children list.
- */
- cur->type = XML_ELEMENT_NODE;
- cur->parent = parent;
- cur->doc = parent->doc;
- if (parent->children == NULL) {
- parent->children = cur;
- parent->last = cur;
- } else {
- prev = parent->last;
- prev->next = cur;
- cur->prev = prev;
- parent->last = cur;
- }
- return(cur);
- }
- /**
- * xmlNewCharRef:
- * @doc: the document
- * @name: the char ref string, starting with # or "&# ... ;"
- *
- * Creation of a new character reference node.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewCharRef(xmlDocPtr doc, const xmlChar *name) {
- xmlNodePtr cur;
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewText : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_ENTITY_REF_NODE;
- cur->doc = doc;
- if (name[0] == '&') {
- int len;
- name++;
- len = xmlStrlen(name);
- if (name[len - 1] == ';')
- cur->name = xmlStrndup(name, len - 1);
- else
- cur->name = xmlStrndup(name, len);
- } else
- cur->name = xmlStrdup(name);
- return(cur);
- }
- /**
- * xmlNewReference:
- * @doc: the document
- * @name: the reference name, or the reference string with & and ;
- *
- * Creation of a new reference node.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewReference(xmlDocPtr doc, const xmlChar *name) {
- xmlNodePtr cur;
- xmlEntityPtr ent;
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewText : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_ENTITY_REF_NODE;
- cur->doc = doc;
- if (name[0] == '&') {
- int len;
- name++;
- len = xmlStrlen(name);
- if (name[len - 1] == ';')
- cur->name = xmlStrndup(name, len - 1);
- else
- cur->name = xmlStrndup(name, len);
- } else
- cur->name = xmlStrdup(name);
- ent = xmlGetDocEntity(doc, cur->name);
- if (ent != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = ent->content;
- #else
- /*
- * CJN 11.18.99 this might be a problem, since the xmlBuffer gets
- * a copy of this pointer. Let's hope we don't manipulate it
- * later
- */
- cur->content = xmlBufferCreateSize(0);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- if (ent->content != NULL)
- xmlBufferAdd(cur->content, ent->content, -1);
- #endif
- cur->children = (xmlNodePtr) ent;
- }
- return(cur);
- }
- /**
- * xmlNewDocText:
- * @doc: the document
- * @content: the text content
- *
- * Creation of a new text node within a document.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewDocText(xmlDocPtr doc, const xmlChar *content) {
- xmlNodePtr cur;
- cur = xmlNewText(content);
- if (cur != NULL) cur->doc = doc;
- return(cur);
- }
- /**
- * xmlNewTextLen:
- * @content: the text content
- * @len: the text len.
- *
- * Creation of a new text node with an extra parameter for the content's lenght
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewTextLen(const xmlChar *content, int len) {
- xmlNodePtr cur;
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewText : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_TEXT_NODE;
- cur->name = xmlStrdup(xmlStringText);
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrndup(content, len);
- #else
- cur->content = xmlBufferCreateSize(len);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, len);
- #endif
- }
- return(cur);
- }
- /**
- * xmlNewDocTextLen:
- * @doc: the document
- * @content: the text content
- * @len: the text len.
- *
- * Creation of a new text node with an extra content lenght parameter. The
- * text node pertain to a given document.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewDocTextLen(xmlDocPtr doc, const xmlChar *content, int len) {
- xmlNodePtr cur;
- cur = xmlNewTextLen(content, len);
- if (cur != NULL) cur->doc = doc;
- return(cur);
- }
- /**
- * xmlNewComment:
- * @content: the comment content
- *
- * Creation of a new node containing a comment.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewComment(const xmlChar *content) {
- xmlNodePtr cur;
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewComment : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_COMMENT_NODE;
- cur->name = xmlStrdup(xmlStringComment);
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrdup(content);
- #else
- cur->content = xmlBufferCreateSize(0);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, -1);
- #endif
- }
- return(cur);
- }
- /**
- * xmlNewCDataBlock:
- * @doc: the document
- * @content: the CData block content content
- * @len: the length of the block
- *
- * Creation of a new node containing a CData block.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewCDataBlock(xmlDocPtr doc, const xmlChar *content, int len) {
- xmlNodePtr cur;
- /*
- * Allocate a new node and fill the fields.
- */
- cur = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (cur == NULL) {
- fprintf(stderr, "xmlNewCDataBlock : malloc failedn");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlNode));
- cur->type = XML_CDATA_SECTION_NODE;
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrndup(content, len);
- #else
- cur->content = xmlBufferCreateSize(len);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, len);
- #endif
- }
- return(cur);
- }
- /**
- * xmlNewDocComment:
- * @doc: the document
- * @content: the comment content
- *
- * Creation of a new node containing a commentwithin a document.
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewDocComment(xmlDocPtr doc, const xmlChar *content) {
- xmlNodePtr cur;
- cur = xmlNewComment(content);
- if (cur != NULL) cur->doc = doc;
- return(cur);
- }
- /**
- * xmlNewChild:
- * @parent: the parent node
- * @ns: a namespace if any
- * @name: the name of the child
- * @content: the XML content of the child if any.
- *
- * Creation of a new child element, added at the end of @parent children list.
- * @ns and @content parameters are optionnal (NULL). If content is non NULL,
- * a child list containing the TEXTs and ENTITY_REFs node will be created.
- * NOTE: @content is supposed to be a piece of XML CDATA, so it allow entities
- * references, but XML special chars need to be escaped first by using
- * xmlEncodeEntitiesReentrant(). Use xmlNewTextChild() if entities
- * support is not needed.
- *
- * Returns a pointer to the new node object.
- */
- xmlNodePtr
- xmlNewChild(xmlNodePtr parent, xmlNsPtr ns,
- const xmlChar *name, const xmlChar *content) {
- xmlNodePtr cur, prev;
- if (parent == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewChild : parent == NULLn");
- #endif
- return(NULL);
- }
- if (name == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewChild : name == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Allocate a new node
- */
- if (ns == NULL)
- cur = xmlNewDocNode(parent->doc, parent->ns, name, content);
- else
- cur = xmlNewDocNode(parent->doc, ns, name, content);
- if (cur == NULL) return(NULL);
- /*
- * add the new element at the end of the children list.
- */
- cur->type = XML_ELEMENT_NODE;
- cur->parent = parent;
- cur->doc = parent->doc;
- if (parent->children == NULL) {
- parent->children = cur;
- parent->last = cur;
- } else {
- prev = parent->last;
- prev->next = cur;
- cur->prev = prev;
- parent->last = cur;
- }
- return(cur);
- }
- /**
- * xmlAddNextSibling:
- * @cur: the child node
- * @elem: the new node
- *
- * Add a new element @elem as the next siblings of @cur
- * If the new element was already inserted in a document it is
- * first unlinked from its existing context.
- *
- * Returns the new element or NULL in case of error.
- */
- xmlNodePtr
- xmlAddNextSibling(xmlNodePtr cur, xmlNodePtr elem) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddNextSibling : cur == NULLn");
- #endif
- return(NULL);
- }
- if (elem == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddNextSibling : elem == NULLn");
- #endif
- return(NULL);
- }
- xmlUnlinkNode(elem);
- elem->doc = cur->doc;
- elem->parent = cur->parent;
- elem->prev = cur;
- elem->next = cur->next;
- cur->next = elem;
- if (elem->next != NULL)
- elem->next->prev = elem;
- if ((elem->parent != NULL) && (elem->parent->last == cur))
- elem->parent->last = elem;
- return(elem);
- }
- /**
- * xmlAddPrevSibling:
- * @cur: the child node
- * @elem: the new node
- *
- * Add a new element @elem as the previous siblings of @cur
- * If the new element was already inserted in a document it is
- * first unlinked from its existing context.
- *
- * Returns the new element or NULL in case of error.
- */
- xmlNodePtr
- xmlAddPrevSibling(xmlNodePtr cur, xmlNodePtr elem) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddPrevSibling : cur == NULLn");
- #endif
- return(NULL);
- }
- if (elem == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddPrevSibling : elem == NULLn");
- #endif
- return(NULL);
- }
- xmlUnlinkNode(elem);
- elem->doc = cur->doc;
- elem->parent = cur->parent;
- elem->next = cur;
- elem->prev = cur->prev;
- cur->prev = elem;
- if (elem->prev != NULL)
- elem->prev->next = elem;
- if ((elem->parent != NULL) && (elem->parent->children == cur))
- elem->parent->children = elem;
- return(elem);
- }
- /**
- * xmlAddSibling:
- * @cur: the child node
- * @elem: the new node
- *
- * Add a new element @elem to the list of siblings of @cur
- * If the new element was already inserted in a document it is
- * first unlinked from its existing context.
- *
- * Returns the new element or NULL in case of error.
- */
- xmlNodePtr
- xmlAddSibling(xmlNodePtr cur, xmlNodePtr elem) {
- xmlNodePtr parent;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddSibling : cur == NULLn");
- #endif
- return(NULL);
- }
- if (elem == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddSibling : elem == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Constant time is we can rely on the ->parent->last to find
- * the last sibling.
- */
- if ((cur->parent != NULL) &&
- (cur->parent->children != NULL) &&
- (cur->parent->last != NULL) &&
- (cur->parent->last->next == NULL)) {
- cur = cur->parent->last;
- } else {
- while (cur->next != NULL) cur = cur->next;
- }
- xmlUnlinkNode(elem);
- if (elem->doc == NULL)
- elem->doc = cur->doc; /* the parent may not be linked to a doc ! */
- parent = cur->parent;
- elem->prev = cur;
- elem->next = NULL;
- elem->parent = parent;
- cur->next = elem;
- if (parent != NULL)
- parent->last = elem;
- return(elem);
- }
- /**
- * xmlAddChild:
- * @parent: the parent node
- * @cur: the child node
- *
- * Add a new child element, to @parent, at the end of the child list.
- * Returns the child or NULL in case of error.
- */
- xmlNodePtr
- xmlAddChild(xmlNodePtr parent, xmlNodePtr cur) {
- xmlNodePtr prev;
- if (parent == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddChild : parent == NULLn");
- #endif
- return(NULL);
- }
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAddChild : child == NULLn");
- #endif
- return(NULL);
- }
- if ((cur->doc != NULL) && (parent->doc != NULL) &&
- (cur->doc != parent->doc)) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "Elements moved to a different documentn");
- #endif
- }
- /*
- * add the new element at the end of the children list.
- */
- cur->parent = parent;
- cur->doc = parent->doc; /* the parent may not be linked to a doc ! */
- /*
- * Handle the case where parent->content != NULL, in that case it will
- * create a intermediate TEXT node.
- */
- if (((parent->type == XML_ELEMENT_NODE) || (parent->type == XML_TEXT_NODE)) &&
- (parent->content != NULL)) {
- xmlNodePtr text;
-
- #ifndef XML_USE_BUFFER_CONTENT
- text = xmlNewDocText(parent->doc, parent->content);
- #else
- text = xmlNewDocText(parent->doc, xmlBufferContent(parent->content));
- #endif
- if (text != NULL) {
- text->next = parent->children;
- if (text->next != NULL)
- text->next->prev = text;
- parent->children = text;
- UPDATE_LAST_CHILD(parent)
- #ifndef XML_USE_BUFFER_CONTENT
- xmlFree(parent->content);
- #else
- xmlBufferFree(parent->content);
- #endif
- parent->content = NULL;
- }
- }
- if (parent->children == NULL) {
- parent->children = cur;
- parent->last = cur;
- } else {
- prev = parent->last;
- prev->next = cur;
- cur->prev = prev;
- parent->last = cur;
- }
- return(cur);
- }
- /**
- * xmlGetLastChild:
- * @parent: the parent node
- *
- * Search the last child of a node.
- * Returns the last child or NULL if none.
- */
- xmlNodePtr
- xmlGetLastChild(xmlNodePtr parent) {
- if (parent == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlGetLastChild : parent == NULLn");
- #endif
- return(NULL);
- }
- return(parent->last);
- }
- /**
- * xmlFreeNodeList:
- * @cur: the first node in the list
- *
- * Free a node and all its siblings, this is a recursive behaviour, all
- * the children are freed too.
- */
- void
- xmlFreeNodeList(xmlNodePtr cur) {
- xmlNodePtr next;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeNodeList : node == NULLn");
- #endif
- return;
- }
- while (cur != NULL) {
- next = cur->next;
- xmlFreeNode(cur);
- cur = next;
- }
- }
- /**
- * xmlFreeNode:
- * @cur: the node
- *
- * Free a node, this is a recursive behaviour, all the children are freed too.
- * This doesn't unlink the child from the list, use xmlUnlinkNode() first.
- */
- void
- xmlFreeNode(xmlNodePtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlFreeNode : node == NULLn");
- #endif
- return;
- }
- if (cur->type == XML_DTD_NODE)
- return;
- cur->doc = NULL;
- cur->parent = NULL;
- cur->next = NULL;
- cur->prev = NULL;
- if ((cur->children != NULL) &&
- (cur->type != XML_ENTITY_REF_NODE))
- xmlFreeNodeList(cur->children);
- if (cur->properties != NULL) xmlFreePropList(cur->properties);
- if (cur->type != XML_ENTITY_REF_NODE)
- #ifndef XML_USE_BUFFER_CONTENT
- if (cur->content != NULL) xmlFree(cur->content);
- #else
- if (cur->content != NULL) xmlBufferFree(cur->content);
- #endif
- if (cur->name != NULL) xmlFree((char *) cur->name);
- if (cur->nsDef != NULL) xmlFreeNsList(cur->nsDef);
- memset(cur, -1, sizeof(xmlNode));
- xmlFree(cur);
- }
- /**
- * xmlUnlinkNode:
- * @cur: the node
- *
- * Unlink a node from it's current context, the node is not freed
- */
- void
- xmlUnlinkNode(xmlNodePtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlUnlinkNode : node == NULLn");
- #endif
- return;
- }
- if ((cur->parent != NULL) && (cur->parent->children == cur))
- cur->parent->children = cur->next;
- if ((cur->parent != NULL) && (cur->parent->last == cur))
- cur->parent->last = cur->prev;
- if (cur->next != NULL)
- cur->next->prev = cur->prev;
- if (cur->prev != NULL)
- cur->prev->next = cur->next;
- cur->next = cur->prev = NULL;
- cur->parent = NULL;
- }
- /**
- * xmlReplaceNode:
- * @old: the old node
- * @cur: the node
- *
- * Unlink the old node from it's current context, prune the new one
- * at the same place. If cur was already inserted in a document it is
- * first unlinked from its existing context.
- *
- * Returns the old node
- */
- xmlNodePtr
- xmlReplaceNode(xmlNodePtr old, xmlNodePtr cur) {
- if (old == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlReplaceNode : old == NULLn");
- #endif
- return(NULL);
- }
- if (cur == NULL) {
- xmlUnlinkNode(old);
- return(old);
- }
- xmlUnlinkNode(cur);
- cur->doc = old->doc;
- cur->parent = old->parent;
- cur->next = old->next;
- if (cur->next != NULL)
- cur->next->prev = cur;
- cur->prev = old->prev;
- if (cur->prev != NULL)
- cur->prev->next = cur;
- if (cur->parent != NULL) {
- if (cur->parent->children == old)
- cur->parent->children = cur;
- if (cur->parent->last == old)
- cur->parent->last = cur;
- }
- old->next = old->prev = NULL;
- old->parent = NULL;
- return(old);
- }
- /************************************************************************
- * *
- * Copy operations *
- * *
- ************************************************************************/
-
- /**
- * xmlCopyNamespace:
- * @cur: the namespace
- *
- * Do a copy of the namespace.
- *
- * Returns: a new xmlNsPtr, or NULL in case of error.
- */
- xmlNsPtr
- xmlCopyNamespace(xmlNsPtr cur) {
- xmlNsPtr ret;
- if (cur == NULL) return(NULL);
- switch (cur->type) {
- case XML_GLOBAL_NAMESPACE:
- ret = xmlNewGlobalNs(NULL, cur->href, cur->prefix);
- break;
- case XML_LOCAL_NAMESPACE:
- ret = xmlNewNs(NULL, cur->href, cur->prefix);
- break;
- default:
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlCopyNamespace: unknown type %dn", cur->type);
- #endif
- return(NULL);
- }
- return(ret);
- }
- /**
- * xmlCopyNamespaceList:
- * @cur: the first namespace
- *
- * Do a copy of an namespace list.
- *
- * Returns: a new xmlNsPtr, or NULL in case of error.
- */
- xmlNsPtr
- xmlCopyNamespaceList(xmlNsPtr cur) {
- xmlNsPtr ret = NULL;
- xmlNsPtr p = NULL,q;
- while (cur != NULL) {
- q = xmlCopyNamespace(cur);
- if (p == NULL) {
- ret = p = q;
- } else {
- p->next = q;
- p = q;
- }
- cur = cur->next;
- }
- return(ret);
- }
- /**
- * xmlCopyProp:
- * @target: the element where the attribute will be grafted
- * @cur: the attribute
- *
- * Do a copy of the attribute.
- *
- * Returns: a new xmlAttrPtr, or NULL in case of error.
- */
- xmlAttrPtr
- xmlCopyProp(xmlNodePtr target, xmlAttrPtr cur) {
- xmlAttrPtr ret;
- if (cur == NULL) return(NULL);
- if (cur->parent != NULL)
- ret = xmlNewDocProp(cur->parent->doc, cur->name, NULL);
- else if (cur->children != NULL)
- ret = xmlNewDocProp(cur->children->doc, cur->name, NULL);
- else
- ret = xmlNewDocProp(NULL, cur->name, NULL);
- if (ret == NULL) return(NULL);
- ret->parent = target;
-
- if ((cur->ns != NULL) && (target != NULL)) {
- xmlNsPtr ns;
- ns = xmlSearchNs(target->doc, target, cur->ns->prefix);
- ret->ns = ns;
- } else
- ret->ns = NULL;
- if (cur->children != NULL)
- ret->children = xmlCopyNodeList(cur->children);
- return(ret);
- }
- /**
- * xmlCopyPropList:
- * @target: the element where the attributes will be grafted
- * @cur: the first attribute
- *
- * Do a copy of an attribute list.
- *
- * Returns: a new xmlAttrPtr, or NULL in case of error.
- */
- xmlAttrPtr
- xmlCopyPropList(xmlNodePtr target, xmlAttrPtr cur) {
- xmlAttrPtr ret = NULL;
- xmlAttrPtr p = NULL,q;
- while (cur != NULL) {
- q = xmlCopyProp(target, cur);
- if (p == NULL) {
- ret = p = q;
- } else {
- p->next = q;
- q->prev = p;
- p = q;
- }
- cur = cur->next;
- }
- return(ret);
- }
- /*
- * NOTE abeut the CopyNode operations !
- *
- * They are splitted into external and internal parts for one
- * tricky reason: namespaces. Doing a direct copy of a node
- * say RPM:Copyright without changing the namespace pointer to
- * something else can produce stale links. One way to do it is
- * to keep a reference counter but this doesn't work as soon
- * as one move the element or the subtree out of the scope of
- * the existing namespace. The actual solution seems to add
- * a copy of the namespace at the top of the copied tree if
- * not available in the subtree.
- * Hence two functions, the public front-end call the inner ones
- */
- static xmlNodePtr
- xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent);
- static xmlNodePtr
- xmlStaticCopyNode(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent,
- int recursive) {
- xmlNodePtr ret;
- if (node == NULL) return(NULL);
- /*
- * Allocate a new node and fill the fields.
- */
- ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
- if (ret == NULL) {
- fprintf(stderr, "xmlStaticCopyNode : malloc failedn");
- return(NULL);
- }
- memset(ret, 0, sizeof(xmlNode));
- ret->type = node->type;
- ret->doc = doc;
- ret->parent = parent;
- if (node->name != NULL)
- ret->name = xmlStrdup(node->name);
- if ((node->content != NULL) && (node->type != XML_ENTITY_REF_NODE)) {
- #ifndef XML_USE_BUFFER_CONTENT
- ret->content = xmlStrdup(node->content);
- #else
- ret->content = xmlBufferCreateSize(xmlBufferLength(node->content));
- xmlBufferSetAllocationScheme(ret->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(ret->content,
- xmlBufferContent(node->content),
- xmlBufferLength(node->content));
- #endif
- }
- if (parent != NULL)
- xmlAddChild(parent, ret);
-
- if (!recursive) return(ret);
- if (node->nsDef != NULL)
- ret->nsDef = xmlCopyNamespaceList(node->nsDef);
- if (node->ns != NULL) {
- xmlNsPtr ns;
- ns = xmlSearchNs(doc, ret, node->ns->prefix);
- if (ns == NULL) {
- /*
- * Humm, we are copying an element whose namespace is defined
- * out of the new tree scope. Search it in the original tree
- * and add it at the top of the new tree
- */
- ns = xmlSearchNs(node->doc, node, node->ns->prefix);
- if (ns != NULL) {
- xmlNodePtr root = ret;
- while (root->parent != NULL) root = root->parent;
- xmlNewNs(root, ns->href, ns->prefix);
- }
- } else {
- /*
- * reference the existing namespace definition in our own tree.
- */
- ret->ns = ns;
- }
- }
- if (node->properties != NULL)
- ret->properties = xmlCopyPropList(ret, node->properties);
- if (node->children != NULL)
- ret->children = xmlStaticCopyNodeList(node->children, doc, ret);
- UPDATE_LAST_CHILD(ret)
- return(ret);
- }
- static xmlNodePtr
- xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
- xmlNodePtr ret = NULL;
- xmlNodePtr p = NULL,q;
- while (node != NULL) {
- q = xmlStaticCopyNode(node, doc, parent, 1);
- if (parent == NULL) {
- if (ret == NULL) ret = q;
- } else {
- if (ret == NULL) {
- q->prev = NULL;
- ret = p = q;
- } else {
- p->next = q;
- q->prev = p;
- p = q;
- }
- }
- node = node->next;
- }
- return(ret);
- }
- /**
- * xmlCopyNode:
- * @node: the node
- * @recursive: if 1 do a recursive copy.
- *
- * Do a copy of the node.
- *
- * Returns: a new xmlNodePtr, or NULL in case of error.
- */
- xmlNodePtr
- xmlCopyNode(xmlNodePtr node, int recursive) {
- xmlNodePtr ret;
- ret = xmlStaticCopyNode(node, NULL, NULL, recursive);
- return(ret);
- }
- /**
- * xmlCopyNodeList:
- * @node: the first node in the list.
- *
- * Do a recursive copy of the node list.
- *
- * Returns: a new xmlNodePtr, or NULL in case of error.
- */
- xmlNodePtr xmlCopyNodeList(xmlNodePtr node) {
- xmlNodePtr ret = xmlStaticCopyNodeList(node, NULL, NULL);
- return(ret);
- }
- /**
- * xmlCopyElement:
- * @elem: the element
- *
- * Do a copy of the element definition.
- *
- * Returns: a new xmlElementPtr, or NULL in case of error.
- xmlElementPtr
- xmlCopyElement(xmlElementPtr elem) {
- xmlElementPtr ret;
- if (elem == NULL) return(NULL);
- ret = xmlNewDocElement(elem->doc, elem->ns, elem->name, elem->content);
- if (ret == NULL) return(NULL);
- if (!recursive) return(ret);
- if (elem->properties != NULL)
- ret->properties = xmlCopyPropList(elem->properties);
-
- if (elem->nsDef != NULL)
- ret->nsDef = xmlCopyNamespaceList(elem->nsDef);
- if (elem->children != NULL)
- ret->children = xmlCopyElementList(elem->children);
- return(ret);
- }
- */
- /**
- * xmlCopyDtd:
- * @dtd: the dtd
- *
- * Do a copy of the dtd.
- *
- * Returns: a new xmlDtdPtr, or NULL in case of error.
- */
- xmlDtdPtr
- xmlCopyDtd(xmlDtdPtr dtd) {
- xmlDtdPtr ret;
- if (dtd == NULL) return(NULL);
- ret = xmlNewDtd(NULL, dtd->name, dtd->ExternalID, dtd->SystemID);
- if (ret == NULL) return(NULL);
- if (dtd->entities != NULL)
- ret->entities = (void *) xmlCopyEntitiesTable(
- (xmlEntitiesTablePtr) dtd->entities);
- if (dtd->notations != NULL)
- ret->notations = (void *) xmlCopyNotationTable(
- (xmlNotationTablePtr) dtd->notations);
- if (dtd->elements != NULL)
- ret->elements = (void *) xmlCopyElementTable(
- (xmlElementTablePtr) dtd->elements);
- if (dtd->attributes != NULL)
- ret->attributes = (void *) xmlCopyAttributeTable(
- (xmlAttributeTablePtr) dtd->attributes);
- return(ret);
- }
- /**
- * xmlCopyDoc:
- * @doc: the document
- * @recursive: if 1 do a recursive copy.
- *
- * Do a copy of the document info. If recursive, the content tree will
- * be copied too as well as Dtd, namespaces and entities.
- *
- * Returns: a new xmlDocPtr, or NULL in case of error.
- */
- xmlDocPtr
- xmlCopyDoc(xmlDocPtr doc, int recursive) {
- xmlDocPtr ret;
- if (doc == NULL) return(NULL);
- ret = xmlNewDoc(doc->version);
- if (ret == NULL) return(NULL);
- if (doc->name != NULL)
- ret->name = xmlMemStrdup(doc->name);
- if (doc->encoding != NULL)
- ret->encoding = xmlStrdup(doc->encoding);
- ret->compression = doc->compression;
- ret->standalone = doc->standalone;
- if (!recursive) return(ret);
- if (doc->intSubset != NULL)
- ret->intSubset = xmlCopyDtd(doc->intSubset);
- if (doc->oldNs != NULL)
- ret->oldNs = xmlCopyNamespaceList(doc->oldNs);
- if (doc->children != NULL)
- ret->children = xmlStaticCopyNodeList(doc->children, ret, NULL);
- return(ret);
- }
- /************************************************************************
- * *
- * Content access functions *
- * *
- ************************************************************************/
-
- /**
- * xmlDocGetRootElement:
- * @doc: the document
- *
- * Get the root element of the document (doc->children is a list
- * containing possibly comments, PIs, etc ...).
- *
- * Returns the xmlNodePtr for the root or NULL
- */
- xmlNodePtr
- xmlDocGetRootElement(xmlDocPtr doc) {
- xmlNodePtr ret;
- if (doc == NULL) return(NULL);
- ret = doc->children;
- while (ret != NULL) {
- if (ret->type == XML_ELEMENT_NODE)
- return(ret);
- ret = ret->next;
- }
- return(ret);
- }
-
- /**
- * xmlDocSetRootElement:
- * @doc: the document
- * @root: the new document root element
- *
- * Set the root element of the document (doc->children is a list
- * containing possibly comments, PIs, etc ...).
- *
- * Returns the old root element if any was found
- */
- xmlNodePtr
- xmlDocSetRootElement(xmlDocPtr doc, xmlNodePtr root) {
- xmlNodePtr old = NULL;
- if (doc == NULL) return(NULL);
- old = doc->children;
- while (old != NULL) {
- if (old->type == XML_ELEMENT_NODE)
- break;
- old = old->next;
- }
- if (old == NULL) {
- if (doc->children == NULL) {
- doc->children = root;
- } else {
- xmlAddSibling(doc->children, root);
- }
- } else {
- xmlReplaceNode(old, root);
- }
- return(old);
- }
-
- /**
- * xmlNodeSetLang:
- * @cur: the node being changed
- * @lang: the langage description
- *
- * Set the language of a node, i.e. the values of the xml:lang
- * attribute.
- */
- void
- xmlNodeSetLang(xmlNodePtr cur, const xmlChar *lang) {
- if (cur == NULL) return;
- switch(cur->type) {
- case XML_TEXT_NODE:
- case XML_CDATA_SECTION_NODE:
- case XML_COMMENT_NODE:
- case XML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- case XML_DOCUMENT_FRAG_NODE:
- case XML_NOTATION_NODE:
- case XML_HTML_DOCUMENT_NODE:
- case XML_DTD_NODE:
- case XML_ELEMENT_DECL:
- case XML_ATTRIBUTE_DECL:
- case XML_ENTITY_DECL:
- return;
- case XML_ELEMENT_NODE:
- case XML_ATTRIBUTE_NODE:
- case XML_PI_NODE:
- case XML_ENTITY_REF_NODE:
- case XML_ENTITY_NODE:
- break;
- }
- xmlSetProp(cur, BAD_CAST "xml:lang", lang);
- }
-
- /**
- * xmlNodeGetLang:
- * @cur: the node being checked
- *
- * Searches the language of a node, i.e. the values of the xml:lang
- * attribute or the one carried by the nearest ancestor.
- *
- * Returns a pointer to the lang value, or NULL if not found
- * It's up to the caller to free the memory.
- */
- xmlChar *
- xmlNodeGetLang(xmlNodePtr cur) {
- xmlChar *lang;
- while (cur != NULL) {
- lang = xmlGetProp(cur, BAD_CAST "xml:lang");
- if (lang != NULL)
- return(lang);
- cur = cur->parent;
- }
- return(NULL);
- }
-
- /**
- * xmlNodeGetSpacePreserve:
- * @cur: the node being checked
- *
- * Searches the language of a node, i.e. the values of the xml:space
- * attribute or the one carried by the nearest ancestor.
- *
- * Returns -1 if xml:space is not inheried, 0 if "default", 1 if "preserve"
- */
- int
- xmlNodeGetSpacePreserve(xmlNodePtr cur) {
- xmlChar *space;
- while (cur != NULL) {
- space = xmlGetProp(cur, BAD_CAST "xml:space");
- if (space != NULL) {
- if (!xmlStrcmp(space, BAD_CAST "preserve")) {
- xmlFree(space);
- return(1);
- }
- if (!xmlStrcmp(space, BAD_CAST "default")) {
- xmlFree(space);
- return(0);
- }
- xmlFree(space);
- }
- cur = cur->parent;
- }
- return(-1);
- }
-
- /**
- * xmlNodeSetName:
- * @cur: the node being changed
- * @name: the new tag name
- *
- * Searches the language of a node, i.e. the values of the xml:lang
- * attribute or the one carried by the nearest ancestor.
- */
- void
- xmlNodeSetName(xmlNodePtr cur, const xmlChar *name) {
- if (cur == NULL) return;
- if (name == NULL) return;
- switch(cur->type) {
- case XML_TEXT_NODE:
- case XML_CDATA_SECTION_NODE:
- case XML_COMMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- case XML_DOCUMENT_FRAG_NODE:
- case XML_NOTATION_NODE:
- case XML_HTML_DOCUMENT_NODE:
- return;
- case XML_ELEMENT_NODE:
- case XML_ATTRIBUTE_NODE:
- case XML_PI_NODE:
- case XML_ENTITY_REF_NODE:
- case XML_ENTITY_NODE:
- case XML_DTD_NODE:
- case XML_DOCUMENT_NODE:
- case XML_ELEMENT_DECL:
- case XML_ATTRIBUTE_DECL:
- case XML_ENTITY_DECL:
- break;
- }
- if (cur->name != NULL) xmlFree((xmlChar *) cur->name);
- cur->name = xmlStrdup(name);
- }
-
- /**
- * xmlNodeGetBase:
- * @doc: the document the node pertains to
- * @cur: the node being checked
- *
- * Searches for the BASE URL. The code should work on both XML
- * and HTML document even if base mechanisms are completely different.
- *
- * Returns a pointer to the base URL, or NULL if not found
- * It's up to the caller to free the memory.
- */
- xmlChar *
- xmlNodeGetBase(xmlDocPtr doc, xmlNodePtr cur) {
- xmlChar *base;
- if ((cur == NULL) && (doc == NULL))
- return(NULL);
- if (doc == NULL) doc = cur->doc;
- if ((doc != NULL) && (doc->type == XML_HTML_DOCUMENT_NODE)) {
- cur = doc->children;
- while ((cur != NULL) && (cur->name != NULL)) {
- if (cur->type != XML_ELEMENT_NODE) {
- cur = cur->next;
- continue;
- }
- if ((!xmlStrcmp(cur->name, BAD_CAST "html")) ||
- (!xmlStrcmp(cur->name, BAD_CAST "HTML"))) {
- cur = cur->children;
- continue;
- }
- if ((!xmlStrcmp(cur->name, BAD_CAST "head")) ||
- (!xmlStrcmp(cur->name, BAD_CAST "HEAD"))) {
- cur = cur->children;
- continue;
- }
- if ((!xmlStrcmp(cur->name, BAD_CAST "base")) ||
- (!xmlStrcmp(cur->name, BAD_CAST "BASE"))) {
- base = xmlGetProp(cur, BAD_CAST "href");
- if (base != NULL) return(base);
- return(xmlGetProp(cur, BAD_CAST "HREF"));
- }
- cur = cur->next;
- }
- if ((doc != NULL) && (doc->URL != NULL))
- return(xmlStrdup(doc->URL));
- return(NULL);
- }
- while (cur != NULL) {
- base = xmlGetProp(cur, BAD_CAST "xml:base");
- if (base != NULL)
- return(base);
- cur = cur->parent;
- }
- if ((doc != NULL) && (doc->URL != NULL))
- return(xmlStrdup(doc->URL));
- return(NULL);
- }
-
- /**
- * xmlNodeGetContent:
- * @cur: the node being read
- *
- * Read the value of a node, this can be either the text carried
- * directly by this node if it's a TEXT node or the aggregate string
- * of the values carried by this node child's (TEXT and ENTITY_REF).
- * Entity references are substitued.
- * Returns a new xmlChar * or NULL if no content is available.
- * It's up to the caller to free the memory.
- */
- xmlChar *
- xmlNodeGetContent(xmlNodePtr cur) {
- if (cur == NULL) return(NULL);
- switch (cur->type) {
- case XML_DOCUMENT_FRAG_NODE:
- case XML_ELEMENT_NODE:
- return(xmlNodeListGetString(cur->doc, cur->children, 1));
- break;
- case XML_ATTRIBUTE_NODE: {
- xmlAttrPtr attr = (xmlAttrPtr) cur;
- if (attr->parent != NULL)
- return(xmlNodeListGetString(attr->parent->doc, attr->children, 1));
- else
- return(xmlNodeListGetString(NULL, attr->children, 1));
- break;
- }
- case XML_COMMENT_NODE:
- case XML_PI_NODE:
- if (cur->content != NULL)
- #ifndef XML_USE_BUFFER_CONTENT
- return(xmlStrdup(cur->content));
- #else
- return(xmlStrdup(xmlBufferContent(cur->content)));
- #endif
- return(NULL);
- case XML_ENTITY_REF_NODE:
- /*
- * Locate the entity, and get it's content
- * @@@
- */
- return(NULL);
- case XML_ENTITY_NODE:
- case XML_DOCUMENT_NODE:
- case XML_HTML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- case XML_NOTATION_NODE:
- case XML_DTD_NODE:
- return(NULL);
- case XML_ELEMENT_DECL:
- /* TODO !!! */
- return(NULL);
- case XML_ATTRIBUTE_DECL:
- /* TODO !!! */
- return(NULL);
- case XML_ENTITY_DECL:
- /* TODO !!! */
- return(NULL);
- case XML_CDATA_SECTION_NODE:
- case XML_TEXT_NODE:
- if (cur->content != NULL)
- #ifndef XML_USE_BUFFER_CONTENT
- return(xmlStrdup(cur->content));
- #else
- return(xmlStrdup(xmlBufferContent(cur->content)));
- #endif
- return(NULL);
- }
- return(NULL);
- }
-
- /**
- * xmlNodeSetContent:
- * @cur: the node being modified
- * @content: the new value of the content
- *
- * Replace the content of a node.
- */
- void
- xmlNodeSetContent(xmlNodePtr cur, const xmlChar *content) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNodeSetContent : node == NULLn");
- #endif
- return;
- }
- switch (cur->type) {
- case XML_DOCUMENT_FRAG_NODE:
- case XML_ELEMENT_NODE:
- if (cur->content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- xmlFree(cur->content);
- #else
- xmlBufferFree(cur->content);
- #endif
- cur->content = NULL;
- }
- if (cur->children != NULL) xmlFreeNodeList(cur->children);
- cur->children = xmlStringGetNodeList(cur->doc, content);
- UPDATE_LAST_CHILD(cur)
- break;
- case XML_ATTRIBUTE_NODE:
- break;
- case XML_TEXT_NODE:
- case XML_CDATA_SECTION_NODE:
- case XML_ENTITY_REF_NODE:
- case XML_ENTITY_NODE:
- case XML_PI_NODE:
- case XML_COMMENT_NODE:
- if (cur->content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- xmlFree(cur->content);
- #else
- xmlBufferFree(cur->content);
- #endif
- }
- if (cur->children != NULL) xmlFreeNodeList(cur->children);
- cur->last = cur->children = NULL;
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrdup(content);
- #else
- cur->content = xmlBufferCreateSize(0);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, -1);
- #endif
- } else
- cur->content = NULL;
- break;
- case XML_DOCUMENT_NODE:
- case XML_HTML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- break;
- case XML_NOTATION_NODE:
- break;
- case XML_DTD_NODE:
- break;
- case XML_ELEMENT_DECL:
- /* TODO !!! */
- break;
- case XML_ATTRIBUTE_DECL:
- /* TODO !!! */
- break;
- case XML_ENTITY_DECL:
- /* TODO !!! */
- break;
- }
- }
- /**
- * xmlNodeSetContentLen:
- * @cur: the node being modified
- * @content: the new value of the content
- * @len: the size of @content
- *
- * Replace the content of a node.
- */
- void
- xmlNodeSetContentLen(xmlNodePtr cur, const xmlChar *content, int len) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNodeSetContentLen : node == NULLn");
- #endif
- return;
- }
- switch (cur->type) {
- case XML_DOCUMENT_FRAG_NODE:
- case XML_ELEMENT_NODE:
- if (cur->content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- xmlFree(cur->content);
- #else
- xmlBufferFree(cur->content);
- #endif
- cur->content = NULL;
- }
- if (cur->children != NULL) xmlFreeNodeList(cur->children);
- cur->children = xmlStringLenGetNodeList(cur->doc, content, len);
- UPDATE_LAST_CHILD(cur)
- break;
- case XML_ATTRIBUTE_NODE:
- break;
- case XML_TEXT_NODE:
- case XML_CDATA_SECTION_NODE:
- case XML_ENTITY_REF_NODE:
- case XML_ENTITY_NODE:
- case XML_PI_NODE:
- case XML_COMMENT_NODE:
- case XML_NOTATION_NODE:
- if (cur->content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- xmlFree(cur->content);
- #else
- xmlBufferFree(cur->content);
- #endif
- }
- if (cur->children != NULL) xmlFreeNodeList(cur->children);
- cur->children = cur->last = NULL;
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrndup(content, len);
- #else
- cur->content = xmlBufferCreateSize(len);
- xmlBufferSetAllocationScheme(cur->content,
- xmlGetBufferAllocationScheme());
- xmlBufferAdd(cur->content, content, len);
- #endif
- } else
- cur->content = NULL;
- break;
- case XML_DOCUMENT_NODE:
- case XML_DTD_NODE:
- case XML_HTML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- break;
- case XML_ELEMENT_DECL:
- /* TODO !!! */
- break;
- case XML_ATTRIBUTE_DECL:
- /* TODO !!! */
- break;
- case XML_ENTITY_DECL:
- /* TODO !!! */
- break;
- }
- }
- /**
- * xmlNodeAddContentLen:
- * @cur: the node being modified
- * @content: extra content
- * @len: the size of @content
- *
- * Append the extra substring to the node content.
- */
- void
- xmlNodeAddContentLen(xmlNodePtr cur, const xmlChar *content, int len) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNodeAddContentLen : node == NULLn");
- #endif
- return;
- }
- if (len <= 0) return;
- switch (cur->type) {
- case XML_DOCUMENT_FRAG_NODE:
- case XML_ELEMENT_NODE: {
- xmlNodePtr last = NULL, new;
- if (cur->children != NULL) {
- last = cur->last;
- } else {
- if (cur->content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->children = xmlStringGetNodeList(cur->doc, cur->content);
- #else
- cur->children = xmlStringGetNodeList(cur->doc,
- xmlBufferContent(cur->content));
- #endif
- UPDATE_LAST_CHILD(cur)
- #ifndef XML_USE_BUFFER_CONTENT
- xmlFree(cur->content);
- #else
- xmlBufferFree(cur->content);
- #endif
- cur->content = NULL;
- last = cur->last;
- }
- }
- new = xmlNewTextLen(content, len);
- if (new != NULL) {
- xmlAddChild(cur, new);
- if ((last != NULL) && (last->next == new)) {
- xmlTextMerge(last, new);
- }
- }
- break;
- }
- case XML_ATTRIBUTE_NODE:
- break;
- case XML_TEXT_NODE:
- case XML_CDATA_SECTION_NODE:
- case XML_ENTITY_REF_NODE:
- case XML_ENTITY_NODE:
- case XML_PI_NODE:
- case XML_COMMENT_NODE:
- case XML_NOTATION_NODE:
- if (content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- cur->content = xmlStrncat(cur->content, content, len);
- #else
- xmlBufferAdd(cur->content, content, len);
- #endif
- }
- case XML_DOCUMENT_NODE:
- case XML_DTD_NODE:
- case XML_HTML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- break;
- case XML_ELEMENT_DECL:
- case XML_ATTRIBUTE_DECL:
- case XML_ENTITY_DECL:
- break;
- }
- }
- /**
- * xmlNodeAddContent:
- * @cur: the node being modified
- * @content: extra content
- *
- * Append the extra substring to the node content.
- */
- void
- xmlNodeAddContent(xmlNodePtr cur, const xmlChar *content) {
- int len;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNodeAddContent : node == NULLn");
- #endif
- return;
- }
- if (content == NULL) return;
- len = xmlStrlen(content);
- xmlNodeAddContentLen(cur, content, len);
- }
- /**
- * xmlTextMerge:
- * @first: the first text node
- * @second: the second text node being merged
- *
- * Merge two text nodes into one
- * Returns the first text node augmented
- */
- xmlNodePtr
- xmlTextMerge(xmlNodePtr first, xmlNodePtr second) {
- if (first == NULL) return(second);
- if (second == NULL) return(first);
- if (first->type != XML_TEXT_NODE) return(first);
- if (second->type != XML_TEXT_NODE) return(first);
- #ifndef XML_USE_BUFFER_CONTENT
- xmlNodeAddContent(first, second->content);
- #else
- xmlNodeAddContent(first, xmlBufferContent(second->content));
- #endif
- xmlUnlinkNode(second);
- xmlFreeNode(second);
- return(first);
- }
- /**
- * xmlGetNsList:
- * @doc: the document
- * @node: the current node
- *
- * Search all the namespace applying to a given element.
- * Returns an NULL terminated array of all the xmlNsPtr found
- * that need to be freed by the caller or NULL if no
- * namespace if defined
- */
- xmlNsPtr *
- xmlGetNsList(xmlDocPtr doc, xmlNodePtr node) {
- xmlNsPtr cur;
- xmlNsPtr *ret = NULL;
- int nbns = 0;
- int maxns = 10;
- int i;
- while (node != NULL) {
- cur = node->nsDef;
- while (cur != NULL) {
- if (ret == NULL) {
- ret = (xmlNsPtr *) xmlMalloc((maxns + 1) * sizeof(xmlNsPtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlGetNsList : out of memory!n");
- return(NULL);
- }
- ret[nbns] = NULL;
- }
- for (i = 0;i < nbns;i++) {
- if ((cur->prefix == ret[i]->prefix) ||
- (!xmlStrcmp(cur->prefix, ret[i]->prefix))) break;
- }
- if (i >= nbns) {
- if (nbns >= maxns) {
- maxns *= 2;
- ret = (xmlNsPtr *) xmlRealloc(ret,
- (maxns + 1) * sizeof(xmlNsPtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlGetNsList : realloc failed!n");
- return(NULL);
- }
- }
- ret[nbns++] = cur;
- ret[nbns] = NULL;
- }
- cur = cur->next;
- }
- node = node->parent;
- }
- return(ret);
- }
- /**
- * xmlSearchNs:
- * @doc: the document
- * @node: the current node
- * @nameSpace: the namespace string
- *
- * Search a Ns registered under a given name space for a document.
- * recurse on the parents until it finds the defined namespace
- * or return NULL otherwise.
- * @nameSpace can be NULL, this is a search for the default namespace.
- * Returns the namespace pointer or NULL.
- */
- xmlNsPtr
- xmlSearchNs(xmlDocPtr doc, xmlNodePtr node, const xmlChar *nameSpace) {
- xmlNsPtr cur;
- if (node == NULL) return(NULL);
- while (node != NULL) {
- if (node->type == XML_ELEMENT_NODE) {
- cur = node->nsDef;
- while (cur != NULL) {
- if ((cur->prefix == NULL) && (nameSpace == NULL))
- return(cur);
- if ((cur->prefix != NULL) && (nameSpace != NULL) &&
- (!xmlStrcmp(cur->prefix, nameSpace)))
- return(cur);
- cur = cur->next;
- }
- }
- node = node->parent;
- }
- return(NULL);
- }
- /**
- * xmlSearchNsByHref:
- * @doc: the document
- * @node: the current node
- * @href: the namespace value
- *
- * Search a Ns aliasing a given URI. Recurse on the parents until it finds
- * the defined namespace or return NULL otherwise.
- * Returns the namespace pointer or NULL.
- */
- xmlNsPtr
- xmlSearchNsByHref(xmlDocPtr doc, xmlNodePtr node, const xmlChar *href) {
- xmlNsPtr cur;
- xmlNodePtr orig = node;
- if ((node == NULL) || (href == NULL)) return(NULL);
- while (node != NULL) {
- cur = node->nsDef;
- while (cur != NULL) {
- if ((cur->href != NULL) && (href != NULL) &&
- (!xmlStrcmp(cur->href, href))) {
- /*
- * Check that the prefix is not shadowed between orig and node
- */
- xmlNodePtr check = orig;
- xmlNsPtr tst;
- while (check != node) {
- tst = check->nsDef;
- while (tst != NULL) {
- if ((tst->prefix == NULL) && (cur->prefix == NULL))
- goto shadowed;
- if ((tst->prefix != NULL) && (cur->prefix != NULL) &&
- (!xmlStrcmp(tst->prefix, cur->prefix)))
- goto shadowed;
- tst = tst->next;
- }
- }
- return(cur);
- }
- shadowed:
- cur = cur->next;
- }
- node = node->parent;
- }
- return(NULL);
- }
- /**
- * xmlNewReconciliedNs
- * @doc: the document
- * @tree: a node expected to hold the new namespace
- * @ns: the original namespace
- *
- * This function tries to locate a namespace definition in a tree
- * ancestors, or create a new namespace definition node similar to
- * @ns trying to reuse the same prefix. However if the given prefix is
- * null (default namespace) or reused within the subtree defined by
- * @tree or on one of its ancestors then a new prefix is generated.
- * Returns the (new) namespace definition or NULL in case of error
- */
- xmlNsPtr
- xmlNewReconciliedNs(xmlDocPtr doc, xmlNodePtr tree, xmlNsPtr ns) {
- xmlNsPtr def;
- xmlChar prefix[50];
- int counter = 1;
- if (tree == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewReconciliedNs : tree == NULLn");
- #endif
- return(NULL);
- }
- if (ns == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNewReconciliedNs : ns == NULLn");
- #endif
- return(NULL);
- }
- /*
- * Search an existing namespace definition inherited.
- */
- def = xmlSearchNsByHref(doc, tree, ns->href);
- if (def != NULL)
- return(def);
- /*
- * Find a close prefix which is not already in use.
- * Let's strip namespace prefixes longer than 20 chars !
- */
- sprintf((char *) prefix, "%.20s", ns->prefix);
- def = xmlSearchNs(doc, tree, prefix);
- while (def != NULL) {
- if (counter > 1000) return(NULL);
- sprintf((char *) prefix, "%.20s%d", ns->prefix, counter++);
- def = xmlSearchNs(doc, tree, prefix);
- }
- /*
- * Ok, now we are ready to create a new one.
- */
- def = xmlNewNs(tree, ns->href, prefix);
- return(def);
- }
- /**
- * xmlReconciliateNs
- * @doc: the document
- * @tree: a node defining the subtree to reconciliate
- *
- * This function checks that all the namespaces declared within the given
- * tree are properly declared. This is needed for example after Copy or Cut
- * and then paste operations. The subtree may still hold pointers to
- * namespace declarations outside the subtree or invalid/masked. As much
- * as possible the function try tu reuse the existing namespaces found in
- * the new environment. If not possible the new namespaces are redeclared
- * on @tree at the top of the given subtree.
- * Returns the number of namespace declarations created or -1 in case of error.
- */
- int
- xmlReconciliateNs(xmlDocPtr doc, xmlNodePtr tree) {
- xmlNsPtr *oldNs = NULL;
- xmlNsPtr *newNs = NULL;
- int sizeCache = 0;
- int nbCache = 0;
- xmlNsPtr n;
- xmlNodePtr node = tree;
- xmlAttrPtr attr;
- int ret = 0, i;
- while (node != NULL) {
- /*
- * Reconciliate the node namespace
- */
- if (node->ns != NULL) {
- /*
- * initialize the cache if needed
- */
- if (sizeCache == 0) {
- sizeCache = 10;
- oldNs = (xmlNsPtr *) xmlMalloc(sizeCache *
- sizeof(xmlNsPtr));
- if (oldNs == NULL) {
- fprintf(stderr, "xmlReconciliateNs : memory pbmn");
- return(-1);
- }
- newNs = (xmlNsPtr *) xmlMalloc(sizeCache *
- sizeof(xmlNsPtr));
- if (newNs == NULL) {
- fprintf(stderr, "xmlReconciliateNs : memory pbmn");
- xmlFree(oldNs);
- return(-1);
- }
- }
- for (i = 0;i < nbCache;i++) {
- if (oldNs[i] == node->ns) {
- node->ns = newNs[i];
- break;
- }
- }
- if (i == nbCache) {
- /*
- * Ok we need to recreate a new namespace definition
- */
- n = xmlNewReconciliedNs(doc, tree, node->ns);
- if (n != NULL) { /* :-( what if else ??? */
- /*
- * check if we need to grow the cache buffers.
- */
- if (sizeCache <= nbCache) {
- sizeCache *= 2;
- oldNs = (xmlNsPtr *) xmlRealloc(oldNs, sizeCache *
- sizeof(xmlNsPtr));
- if (oldNs == NULL) {
- fprintf(stderr, "xmlReconciliateNs : memory pbmn");
- xmlFree(newNs);
- return(-1);
- }
- newNs = (xmlNsPtr *) xmlRealloc(newNs, sizeCache *
- sizeof(xmlNsPtr));
- if (newNs == NULL) {
- fprintf(stderr, "xmlReconciliateNs : memory pbmn");
- xmlFree(oldNs);
- return(-1);
- }
- }
- newNs[nbCache] = n;
- oldNs[nbCache++] = node->ns;
- node->ns = n;
- }
- }
- }
- /*
- * now check for namespace hold by attributes on the node.
- */
- attr = node->properties;
- while (attr != NULL) {
- if (attr->ns != NULL) {
- /*
- * initialize the cache if needed
- */
- if (sizeCache == 0) {
- sizeCache = 10;
- oldNs = (xmlNsPtr *) xmlMalloc(sizeCache *
- sizeof(xmlNsPtr));
- if (oldNs == NULL) {
- fprintf(stderr, "xmlReconciliateNs : memory pbmn");
- return(-1);
- }
- newNs = (xmlNsPtr *) xmlMalloc(sizeCache *
- sizeof(xmlNsPtr));
- if (newNs == NULL) {
- fprintf(stderr, "xmlReconciliateNs : memory pbmn");
- xmlFree(oldNs);
- return(-1);
- }
- }
- for (i = 0;i < nbCache;i++) {
- if (oldNs[i] == attr->ns) {
- node->ns = newNs[i];
- break;
- }
- }
- if (i == nbCache) {
- /*
- * Ok we need to recreate a new namespace definition
- */
- n = xmlNewReconciliedNs(doc, tree, attr->ns);
- if (n != NULL) { /* :-( what if else ??? */
- /*
- * check if we need to grow the cache buffers.
- */
- if (sizeCache <= nbCache) {
- sizeCache *= 2;
- oldNs = (xmlNsPtr *) xmlRealloc(oldNs, sizeCache *
- sizeof(xmlNsPtr));
- if (oldNs == NULL) {
- fprintf(stderr,
- "xmlReconciliateNs : memory pbmn");
- xmlFree(newNs);
- return(-1);
- }
- newNs = (xmlNsPtr *) xmlRealloc(newNs, sizeCache *
- sizeof(xmlNsPtr));
- if (newNs == NULL) {
- fprintf(stderr,
- "xmlReconciliateNs : memory pbmn");
- xmlFree(oldNs);
- return(-1);
- }
- }
- newNs[nbCache] = n;
- oldNs[nbCache++] = attr->ns;
- attr->ns = n;
- }
- }
- }
- attr = attr->next;
- }
- /*
- * Browse the full subtree, deep first
- */
- if (node->children != NULL) {
- /* deep first */
- node = node->children;
- } else if ((node != tree) && (node->next != NULL)) {
- /* then siblings */
- node = node->next;
- } else if (node != tree) {
- /* go up to parents->next if needed */
- while (node != tree) {
- if (node->parent != NULL)
- node = node->parent;
- if ((node != tree) && (node->next != NULL)) {
- node = node->next;
- break;
- }
- if (node->parent == NULL) {
- node = NULL;
- break;
- }
- }
- /* exit condition */
- if (node == tree)
- node = NULL;
- }
- }
- return(ret);
- }
- /**
- * xmlGetProp:
- * @node: the node
- * @name: the attribute name
- *
- * Search and get the value of an attribute associated to a node
- * This does the entity substitution.
- * This function looks in DTD attribute declaration for #FIXED or
- * default declaration values unless DTD use has been turned off.
- *
- * Returns the attribute value or NULL if not found.
- * It's up to the caller to free the memory.
- */
- xmlChar *
- xmlGetProp(xmlNodePtr node, const xmlChar *name) {
- xmlAttrPtr prop;
- xmlDocPtr doc;
- if ((node == NULL) || (name == NULL)) return(NULL);
- /*
- * Check on the properties attached to the node
- */
- prop = node->properties;
- while (prop != NULL) {
- if (!xmlStrcmp(prop->name, name)) {
- xmlChar *ret;
- ret = xmlNodeListGetString(node->doc, prop->children, 1);
- if (ret == NULL) return(xmlStrdup((xmlChar *)""));
- return(ret);
- }
- prop = prop->next;
- }
- if (!xmlCheckDTD) return(NULL);
- /*
- * Check if there is a default declaration in the internal
- * or external subsets
- */
- doc = node->doc;
- if (doc != NULL) {
- xmlAttributePtr attrDecl;
- if (doc->intSubset != NULL) {
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
- if (attrDecl != NULL)
- return(xmlStrdup(attrDecl->defaultValue));
- }
- }
- return(NULL);
- }
- /**
- * xmlGetNsProp:
- * @node: the node
- * @name: the attribute name
- * @namespace: the URI of the namespace
- *
- * Search and get the value of an attribute associated to a node
- * This attribute has to be anchored in the namespace specified.
- * This does the entity substitution.
- * This function looks in DTD attribute declaration for #FIXED or
- * default declaration values unless DTD use has been turned off.
- *
- * Returns the attribute value or NULL if not found.
- * It's up to the caller to free the memory.
- */
- xmlChar *
- xmlGetNsProp(xmlNodePtr node, const xmlChar *name, const xmlChar *namespace) {
- xmlAttrPtr prop = node->properties;
- xmlDocPtr doc;
- xmlNsPtr ns;
- if (namespace == NULL)
- return(xmlGetProp(node, name));
- while (prop != NULL) {
- /*
- * One need to have
- * - same attribute names
- * - and the attribute carrying that namespace
- * or
- * no namespace on the attribute and the element carrying it
- */
- if ((!xmlStrcmp(prop->name, name)) &&
- (((prop->ns == NULL) && (node->ns != NULL) &&
- (!xmlStrcmp(node->ns->href, namespace))) ||
- ((prop->ns != NULL) && (!xmlStrcmp(prop->ns->href, namespace))))) {
- xmlChar *ret;
- ret = xmlNodeListGetString(node->doc, prop->children, 1);
- if (ret == NULL) return(xmlStrdup((xmlChar *)""));
- return(ret);
- }
- prop = prop->next;
- }
- if (!xmlCheckDTD) return(NULL);
- /*
- * Check if there is a default declaration in the internal
- * or external subsets
- */
- doc = node->doc;
- if (doc != NULL) {
- xmlAttributePtr attrDecl;
- if (doc->intSubset != NULL) {
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
-
- if (attrDecl->prefix != NULL) {
- /*
- * The DTD declaration only allows a prefix search
- */
- ns = xmlSearchNs(doc, node, attrDecl->prefix);
- if ((ns != NULL) && (!xmlStrcmp(ns->href, namespace)))
- return(xmlStrdup(attrDecl->defaultValue));
- }
- }
- }
- return(NULL);
- }
- /**
- * xmlSetProp:
- * @node: the node
- * @name: the attribute name
- * @value: the attribute value
- *
- * Set (or reset) an attribute carried by a node.
- * Returns the attribute pointer.
- */
- xmlAttrPtr
- xmlSetProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) {
- xmlAttrPtr prop = node->properties;
- while (prop != NULL) {
- if (!xmlStrcmp(prop->name, name)) {
- if (prop->children != NULL)
- xmlFreeNodeList(prop->children);
- prop->children = NULL;
- if (value != NULL) {
- xmlChar *buffer;
- xmlNodePtr tmp;
- buffer = xmlEncodeEntitiesReentrant(node->doc, value);
- prop->children = xmlStringGetNodeList(node->doc, buffer);
- tmp = prop->children;
- while (tmp != NULL) {
- tmp->parent = (xmlNodePtr) prop;
- if (tmp->next == NULL)
- prop->last = tmp;
- tmp = tmp->next;
- }
- xmlFree(buffer);
- }
- return(prop);
- }
- prop = prop->next;
- }
- prop = xmlNewProp(node, name, value);
- return(prop);
- }
- /**
- * xmlNodeIsText:
- * @node: the node
- *
- * Is this node a Text node ?
- * Returns 1 yes, 0 no
- */
- int
- xmlNodeIsText(xmlNodePtr node) {
- if (node == NULL) return(0);
- if (node->type == XML_TEXT_NODE) return(1);
- return(0);
- }
- /**
- * xmlIsBlankNode:
- * @node: the node
- *
- * Is this node a Text node ?
- * Returns 1 yes, 0 no
- */
- int
- xmlIsBlankNode(xmlNodePtr node) {
- xmlChar *cur;
- if (node == NULL) return(0);
- if (node->type != XML_TEXT_NODE) return(0);
- if (node->content == NULL) return(0);
- cur = node->content;
- while (*cur != 0) {
- if (!IS_BLANK(*cur)) return(0);
- cur++;
- }
- return(1);
- }
- /**
- * xmlTextConcat:
- * @node: the node
- * @content: the content
- * @len: @content lenght
- *
- * Concat the given string at the end of the existing node content
- */
- void
- xmlTextConcat(xmlNodePtr node, const xmlChar *content, int len) {
- if (node == NULL) return;
- if ((node->type != XML_TEXT_NODE) &&
- (node->type != XML_CDATA_SECTION_NODE)) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlTextConcat: node is not text nor cdatan");
- #endif
- return;
- }
- #ifndef XML_USE_BUFFER_CONTENT
- node->content = xmlStrncat(node->content, content, len);
- #else
- xmlBufferAdd(node->content, content, len);
- #endif
- }
- /************************************************************************
- * *
- * Output : to a FILE or in memory *
- * *
- ************************************************************************/
- #define BASE_BUFFER_SIZE 4000
- /**
- * xmlBufferCreate:
- *
- * routine to create an XML buffer.
- * returns the new structure.
- */
- xmlBufferPtr
- xmlBufferCreate(void) {
- xmlBufferPtr ret;
- ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer));
- if (ret == NULL) {
- fprintf(stderr, "xmlBufferCreate : out of memory!n");
- return(NULL);
- }
- ret->use = 0;
- ret->size = BASE_BUFFER_SIZE;
- ret->alloc = xmlBufferAllocScheme;
- ret->content = (xmlChar *) xmlMalloc(ret->size * sizeof(xmlChar));
- if (ret->content == NULL) {
- fprintf(stderr, "xmlBufferCreate : out of memory!n");
- xmlFree(ret);
- return(NULL);
- }
- ret->content[0] = 0;
- return(ret);
- }
- /**
- * xmlBufferCreateSize:
- * @size: initial size of buffer
- *
- * routine to create an XML buffer.
- * returns the new structure.
- */
- xmlBufferPtr
- xmlBufferCreateSize(size_t size) {
- xmlBufferPtr ret;
- ret = (xmlBufferPtr) xmlMalloc(sizeof(xmlBuffer));
- if (ret == NULL) {
- fprintf(stderr, "xmlBufferCreate : out of memory!n");
- return(NULL);
- }
- ret->use = 0;
- ret->alloc = xmlBufferAllocScheme;
- ret->size = (size ? size+2 : 0); /* +1 for ending null */
- if (ret->size){
- ret->content = (xmlChar *) xmlMalloc(ret->size * sizeof(xmlChar));
- if (ret->content == NULL) {
- fprintf(stderr, "xmlBufferCreate : out of memory!n");
- xmlFree(ret);
- return(NULL);
- }
- ret->content[0] = 0;
- } else
- ret->content = NULL;
- return(ret);
- }
- /**
- * xmlBufferAllocationScheme:
- * @buf: the buffer to free
- * @scheme: allocation scheme to use
- *
- * Sets the allocation scheme for this buffer
- */
- void
- xmlBufferSetAllocationScheme(xmlBufferPtr buf,
- xmlBufferAllocationScheme scheme) {
- if (buf == NULL) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferSetAllocationScheme: buf == NULLn");
- #endif
- return;
- }
- buf->alloc = scheme;
- }
- /**
- * xmlBufferFree:
- * @buf: the buffer to free
- *
- * Frees an XML buffer.
- */
- void
- xmlBufferFree(xmlBufferPtr buf) {
- if (buf == NULL) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferFree: buf == NULLn");
- #endif
- return;
- }
- if (buf->content != NULL) {
- #ifndef XML_USE_BUFFER_CONTENT
- memset(buf->content, -1, BASE_BUFFER_SIZE);
- #else
- memset(buf->content, -1, buf->size);
- #endif
- xmlFree(buf->content);
- }
- memset(buf, -1, sizeof(xmlBuffer));
- xmlFree(buf);
- }
- /**
- * xmlBufferEmpty:
- * @buf: the buffer
- *
- * empty a buffer.
- */
- void
- xmlBufferEmpty(xmlBufferPtr buf) {
- buf->use = 0;
- memset(buf->content, -1, buf->size);/* just for debug */
- }
- /**
- * xmlBufferShrink:
- * @buf: the buffer to dump
- * @len: the number of xmlChar to remove
- *
- * Remove the beginning of an XML buffer.
- *
- * Returns the number of xmlChar removed, or -1 in case of failure.
- */
- int
- xmlBufferShrink(xmlBufferPtr buf, int len) {
- if (len == 0) return(0);
- if (len > buf->use) return(-1);
- buf->use -= len;
- memmove(buf->content, &buf->content[len], buf->use * sizeof(xmlChar));
- buf->content[buf->use] = 0;
- return(len);
- }
- /**
- * xmlBufferDump:
- * @file: the file output
- * @buf: the buffer to dump
- *
- * Dumps an XML buffer to a FILE *.
- * Returns the number of xmlChar written
- */
- int
- xmlBufferDump(FILE *file, xmlBufferPtr buf) {
- int ret;
- if (buf == NULL) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferDump: buf == NULLn");
- #endif
- return(0);
- }
- if (buf->content == NULL) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferDump: buf->content == NULLn");
- #endif
- return(0);
- }
- if (file == NULL) file = stdout;
- ret = fwrite(buf->content, sizeof(xmlChar), buf->use, file);
- return(ret);
- }
- /**
- * xmlBufferContent:
- * @buf: the buffer to resize
- *
- * Returns the internal content
- */
- const xmlChar*
- xmlBufferContent(const xmlBufferPtr buf)
- {
- if(!buf)
- return NULL;
- return buf->content;
- }
- /**
- * xmlBufferLength:
- * @buf: the buffer
- *
- * Returns the length of data in the internal content
- */
- int
- xmlBufferLength(const xmlBufferPtr buf)
- {
- if(!buf)
- return 0;
- return buf->use;
- }
- /**
- * xmlBufferResize:
- * @buf: the buffer to resize
- * @len: the desired size
- *
- * Resize a buffer to accomodate minimum size of <len>.
- *
- * Returns 0 in case of problems, 1 otherwise
- */
- int
- xmlBufferResize(xmlBufferPtr buf, int size)
- {
- int newSize = (buf->size ? buf->size*2 : size);/*take care of empty case*/
- xmlChar* rebuf = NULL;
- /* Don't resize if we don't have to */
- if(size < buf->size)
- return 1;
- /* figure out new size */
- switch(buf->alloc){
- case XML_BUFFER_ALLOC_DOUBLEIT:
- while(size > newSize) newSize *= 2;
- break;
- case XML_BUFFER_ALLOC_EXACT:
- newSize = size+10;
- break;
- default:
- newSize = size+10;
- break;
- }
- if (buf->content == NULL)
- rebuf = (xmlChar *) xmlMalloc(newSize * sizeof(xmlChar));
- else
- rebuf = (xmlChar *) xmlRealloc(buf->content,
- newSize * sizeof(xmlChar));
- if (rebuf == NULL) {
- fprintf(stderr, "xmlBufferAdd : out of memory!n");
- return 0;
- }
- buf->content = rebuf;
- buf->size = newSize;
- return 1;
- }
- /**
- * xmlBufferAdd:
- * @buf: the buffer to dump
- * @str: the xmlChar string
- * @len: the number of xmlChar to add
- *
- * Add a string range to an XML buffer. if len == -1, the lenght of
- * str is recomputed.
- */
- void
- xmlBufferAdd(xmlBufferPtr buf, const xmlChar *str, int len) {
- int needSize;
- if (str == NULL) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferAdd: str == NULLn");
- #endif
- return;
- }
- if (len < -1) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferAdd: len < 0n");
- #endif
- return;
- }
- if (len == 0) return;
- if (len < 0)
- len = xmlStrlen(str);
- if (len <= 0) return;
- needSize = buf->use + len + 2;
- if(needSize > buf->size){
- if(!xmlBufferResize(buf, needSize)){
- fprintf(stderr, "xmlBufferAdd : out of memory!n");
- return;
- }
- }
- memmove(&buf->content[buf->use], str, len*sizeof(xmlChar));
- buf->use += len;
- buf->content[buf->use] = 0;
- }
- /**
- * xmlBufferCat:
- * @buf: the buffer to dump
- * @str: the xmlChar string
- *
- * Append a zero terminated string to an XML buffer.
- */
- void
- xmlBufferCat(xmlBufferPtr buf, const xmlChar *str) {
- if (str != NULL)
- xmlBufferAdd(buf, str, -1);
- }
- /**
- * xmlBufferCCat:
- * @buf: the buffer to dump
- * @str: the C char string
- *
- * Append a zero terminated C string to an XML buffer.
- */
- void
- xmlBufferCCat(xmlBufferPtr buf, const char *str) {
- const char *cur;
- if (str == NULL) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr, "xmlBufferAdd: str == NULLn");
- #endif
- return;
- }
- for (cur = str;*cur != 0;cur++) {
- if (buf->use + 10 >= buf->size) {
- if(!xmlBufferResize(buf, buf->use+10)){
- fprintf(stderr, "xmlBufferCCat : out of memory!n");
- return;
- }
- }
- buf->content[buf->use++] = *cur;
- }
- }
- /**
- * xmlBufferWriteCHAR:
- * @buf: the XML buffer
- * @string: the string to add
- *
- * routine which manage and grows an output buffer. This one add
- * xmlChars at the end of the buffer.
- */
- void
- xmlBufferWriteCHAR(xmlBufferPtr buf, const xmlChar *string) {
- xmlBufferCat(buf, string);
- }
- /**
- * xmlBufferWriteChar:
- * @buf: the XML buffer output
- * @string: the string to add
- *
- * routine which manage and grows an output buffer. This one add
- * C chars at the end of the array.
- */
- void
- xmlBufferWriteChar(xmlBufferPtr buf, const char *string) {
- xmlBufferCCat(buf, string);
- }
- /**
- * xmlBufferWriteQuotedString:
- * @buf: the XML buffer output
- * @string: the string to add
- *
- * routine which manage and grows an output buffer. This one writes
- * a quoted or double quoted xmlChar string, checking first if it holds
- * quote or double-quotes internally
- */
- void
- xmlBufferWriteQuotedString(xmlBufferPtr buf, const xmlChar *string) {
- if (xmlStrchr(string, '"')) {
- if (xmlStrchr(string, ''')) {
- #ifdef DEBUG_BUFFER
- fprintf(stderr,
- "xmlBufferWriteQuotedString: string contains quote and double-quotes !n");
- #endif
- }
- xmlBufferCCat(buf, "'");
- xmlBufferCat(buf, string);
- xmlBufferCCat(buf, "'");
- } else {
- xmlBufferCCat(buf, """);
- xmlBufferCat(buf, string);
- xmlBufferCCat(buf, """);
- }
- }
- static void
- xmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
- int format);
- static void
- xmlNodeListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
- int format);
- void
- htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur);
- /**
- * xmlGlobalNsDump:
- * @buf: the XML buffer output
- * @cur: a namespace
- *
- * Dump a global Namespace, this is the old version based on PIs.
- */
- static void
- xmlGlobalNsDump(xmlBufferPtr buf, xmlNsPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlGlobalNsDump : Ns == NULLn");
- #endif
- return;
- }
- if (cur->type == XML_GLOBAL_NAMESPACE) {
- xmlBufferWriteChar(buf, "<?namespace");
- if (cur->href != NULL) {
- xmlBufferWriteChar(buf, " href=");
- xmlBufferWriteQuotedString(buf, cur->href);
- }
- if (cur->prefix != NULL) {
- xmlBufferWriteChar(buf, " AS=");
- xmlBufferWriteQuotedString(buf, cur->prefix);
- }
- xmlBufferWriteChar(buf, "?>n");
- }
- }
- /**
- * xmlGlobalNsListDump:
- * @buf: the XML buffer output
- * @cur: the first namespace
- *
- * Dump a list of global Namespace, this is the old version based on PIs.
- */
- static void
- xmlGlobalNsListDump(xmlBufferPtr buf, xmlNsPtr cur) {
- while (cur != NULL) {
- xmlGlobalNsDump(buf, cur);
- cur = cur->next;
- }
- }
- /**
- * xmlNsDump:
- * @buf: the XML buffer output
- * @cur: a namespace
- *
- * Dump a local Namespace definition.
- * Should be called in the context of attributes dumps.
- */
- static void
- xmlNsDump(xmlBufferPtr buf, xmlNsPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNsDump : Ns == NULLn");
- #endif
- return;
- }
- if (cur->type == XML_LOCAL_NAMESPACE) {
- /* Within the context of an element attributes */
- if (cur->prefix != NULL) {
- xmlBufferWriteChar(buf, " xmlns:");
- xmlBufferWriteCHAR(buf, cur->prefix);
- } else
- xmlBufferWriteChar(buf, " xmlns");
- xmlBufferWriteChar(buf, "=");
- xmlBufferWriteQuotedString(buf, cur->href);
- }
- }
- /**
- * xmlNsListDump:
- * @buf: the XML buffer output
- * @cur: the first namespace
- *
- * Dump a list of local Namespace definitions.
- * Should be called in the context of attributes dumps.
- */
- static void
- xmlNsListDump(xmlBufferPtr buf, xmlNsPtr cur) {
- while (cur != NULL) {
- xmlNsDump(buf, cur);
- cur = cur->next;
- }
- }
- /**
- * xmlDtdDump:
- * @buf: the XML buffer output
- * @doc: the document
- *
- * Dump the XML document DTD, if any.
- */
- static void
- xmlDtdDump(xmlBufferPtr buf, xmlDtdPtr dtd) {
- if (dtd == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlDtdDump : no internal subsetn");
- #endif
- return;
- }
- xmlBufferWriteChar(buf, "<!DOCTYPE ");
- xmlBufferWriteCHAR(buf, dtd->name);
- if (dtd->ExternalID != NULL) {
- xmlBufferWriteChar(buf, " PUBLIC ");
- xmlBufferWriteQuotedString(buf, dtd->ExternalID);
- xmlBufferWriteChar(buf, " ");
- xmlBufferWriteQuotedString(buf, dtd->SystemID);
- } else if (dtd->SystemID != NULL) {
- xmlBufferWriteChar(buf, " SYSTEM ");
- xmlBufferWriteQuotedString(buf, dtd->SystemID);
- }
- if ((dtd->entities == NULL) && (dtd->elements == NULL) &&
- (dtd->attributes == NULL) && (dtd->notations == NULL)) {
- xmlBufferWriteChar(buf, ">");
- return;
- }
- xmlBufferWriteChar(buf, " [n");
- xmlNodeListDump(buf, dtd->doc, dtd->children, -1, 0);
- #if 0
- if (dtd->entities != NULL)
- xmlDumpEntitiesTable(buf, (xmlEntitiesTablePtr) dtd->entities);
- if (dtd->notations != NULL)
- xmlDumpNotationTable(buf, (xmlNotationTablePtr) dtd->notations);
- if (dtd->elements != NULL)
- xmlDumpElementTable(buf, (xmlElementTablePtr) dtd->elements);
- if (dtd->attributes != NULL)
- xmlDumpAttributeTable(buf, (xmlAttributeTablePtr) dtd->attributes);
- #endif
- xmlBufferWriteChar(buf, "]>");
- }
- /**
- * xmlAttrDump:
- * @buf: the XML buffer output
- * @doc: the document
- * @cur: the attribute pointer
- *
- * Dump an XML attribute
- */
- static void
- xmlAttrDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) {
- xmlChar *value;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAttrDump : property == NULLn");
- #endif
- return;
- }
- xmlBufferWriteChar(buf, " ");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlBufferWriteCHAR(buf, cur->ns->prefix);
- xmlBufferWriteChar(buf, ":");
- }
- xmlBufferWriteCHAR(buf, cur->name);
- value = xmlNodeListGetString(doc, cur->children, 0);
- if (value) {
- xmlBufferWriteChar(buf, "=");
- xmlBufferWriteQuotedString(buf, value);
- xmlFree(value);
- } else {
- xmlBufferWriteChar(buf, "=""");
- }
- }
- /**
- * xmlAttrListDump:
- * @buf: the XML buffer output
- * @doc: the document
- * @cur: the first attribute pointer
- *
- * Dump a list of XML attributes
- */
- static void
- xmlAttrListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) {
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlAttrListDump : property == NULLn");
- #endif
- return;
- }
- while (cur != NULL) {
- xmlAttrDump(buf, doc, cur);
- cur = cur->next;
- }
- }
- /**
- * xmlNodeListDump:
- * @buf: the XML buffer output
- * @doc: the document
- * @cur: the first node
- * @level: the imbrication level for indenting
- * @format: is formatting allowed
- *
- * Dump an XML node list, recursive behaviour,children are printed too.
- */
- static void
- xmlNodeListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
- int format) {
- int i;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNodeListDump : node == NULLn");
- #endif
- return;
- }
- while (cur != NULL) {
- if ((format) && (xmlIndentTreeOutput) &&
- (cur->type == XML_ELEMENT_NODE))
- for (i = 0;i < level;i++)
- xmlBufferWriteChar(buf, " ");
- xmlNodeDump(buf, doc, cur, level, format);
- if (format) {
- xmlBufferWriteChar(buf, "n");
- }
- cur = cur->next;
- }
- }
- /**
- * xmlNodeDump:
- * @buf: the XML buffer output
- * @doc: the document
- * @cur: the current node
- * @level: the imbrication level for indenting
- * @format: is formatting allowed
- *
- * Dump an XML node, recursive behaviour,children are printed too.
- */
- static void
- xmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur, int level,
- int format) {
- int i;
- xmlNodePtr tmp;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlNodeDump : node == NULLn");
- #endif
- return;
- }
- if (cur->type == XML_DTD_NODE) {
- xmlDtdDump(buf, (xmlDtdPtr) cur);
- return;
- }
- if (cur->type == XML_ELEMENT_DECL) {
- xmlDumpElementDecl(buf, (xmlElementPtr) cur);
- return;
- }
- if (cur->type == XML_ATTRIBUTE_DECL) {
- xmlDumpAttributeDecl(buf, (xmlAttributePtr) cur);
- return;
- }
- if (cur->type == XML_ENTITY_DECL) {
- xmlDumpEntityDecl(buf, (xmlEntityPtr) cur);
- return;
- }
- if (cur->type == XML_TEXT_NODE) {
- if (cur->content != NULL) {
- xmlChar *buffer;
- #ifndef XML_USE_BUFFER_CONTENT
- buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
- #else
- buffer = xmlEncodeEntitiesReentrant(doc,
- xmlBufferContent(cur->content));
- #endif
- if (buffer != NULL) {
- xmlBufferWriteCHAR(buf, buffer);
- xmlFree(buffer);
- }
- }
- return;
- }
- if (cur->type == XML_PI_NODE) {
- if (cur->content != NULL) {
- xmlBufferWriteChar(buf, "<?");
- xmlBufferWriteCHAR(buf, cur->name);
- if (cur->content != NULL) {
- xmlBufferWriteChar(buf, " ");
- #ifndef XML_USE_BUFFER_CONTENT
- xmlBufferWriteCHAR(buf, cur->content);
- #else
- xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content));
- #endif
- }
- xmlBufferWriteChar(buf, "?>");
- } else {
- xmlBufferWriteChar(buf, "<?");
- xmlBufferWriteCHAR(buf, cur->name);
- xmlBufferWriteChar(buf, "?>");
- }
- return;
- }
- if (cur->type == XML_COMMENT_NODE) {
- if (cur->content != NULL) {
- xmlBufferWriteChar(buf, "<!--");
- #ifndef XML_USE_BUFFER_CONTENT
- xmlBufferWriteCHAR(buf, cur->content);
- #else
- xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content));
- #endif
- xmlBufferWriteChar(buf, "-->");
- }
- return;
- }
- if (cur->type == XML_ENTITY_REF_NODE) {
- xmlBufferWriteChar(buf, "&");
- xmlBufferWriteCHAR(buf, cur->name);
- xmlBufferWriteChar(buf, ";");
- return;
- }
- if (cur->type == XML_CDATA_SECTION_NODE) {
- xmlBufferWriteChar(buf, "<![CDATA[");
- if (cur->content != NULL)
- #ifndef XML_USE_BUFFER_CONTENT
- xmlBufferWriteCHAR(buf, cur->content);
- #else
- xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content));
- #endif
- xmlBufferWriteChar(buf, "]]>");
- return;
- }
- if (format == 1) {
- tmp = cur->children;
- while (tmp != NULL) {
- if ((tmp->type == XML_TEXT_NODE) ||
- (tmp->type == XML_ENTITY_REF_NODE)) {
- format = 0;
- break;
- }
- tmp = tmp->next;
- }
- }
- xmlBufferWriteChar(buf, "<");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlBufferWriteCHAR(buf, cur->ns->prefix);
- xmlBufferWriteChar(buf, ":");
- }
- xmlBufferWriteCHAR(buf, cur->name);
- if (cur->nsDef)
- xmlNsListDump(buf, cur->nsDef);
- if (cur->properties != NULL)
- xmlAttrListDump(buf, doc, cur->properties);
- if ((cur->content == NULL) && (cur->children == NULL) &&
- (!xmlSaveNoEmptyTags)) {
- xmlBufferWriteChar(buf, "/>");
- return;
- }
- xmlBufferWriteChar(buf, ">");
- if (cur->content != NULL) {
- xmlChar *buffer;
- #ifndef XML_USE_BUFFER_CONTENT
- buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
- #else
- buffer = xmlEncodeEntitiesReentrant(doc,
- xmlBufferContent(cur->content));
- #endif
- if (buffer != NULL) {
- xmlBufferWriteCHAR(buf, buffer);
- xmlFree(buffer);
- }
- }
- if (cur->children != NULL) {
- if (format) xmlBufferWriteChar(buf, "n");
- xmlNodeListDump(buf, doc, cur->children,
- (level >= 0?level+1:-1), format);
- if ((xmlIndentTreeOutput) && (format))
- for (i = 0;i < level;i++)
- xmlBufferWriteChar(buf, " ");
- }
- xmlBufferWriteChar(buf, "</");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlBufferWriteCHAR(buf, cur->ns->prefix);
- xmlBufferWriteChar(buf, ":");
- }
- xmlBufferWriteCHAR(buf, cur->name);
- xmlBufferWriteChar(buf, ">");
- }
- /**
- * xmlElemDump:
- * @buf: the XML buffer output
- * @doc: the document
- * @cur: the current node
- *
- * Dump an XML/HTML node, recursive behaviour,children are printed too.
- */
- void
- xmlElemDump(FILE *f, xmlDocPtr doc, xmlNodePtr cur) {
- xmlBufferPtr buf;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlElemDump : cur == NULLn");
- #endif
- return;
- }
- if (doc == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlElemDump : doc == NULLn");
- #endif
- }
- buf = xmlBufferCreate();
- if (buf == NULL) return;
- if ((doc != NULL) &&
- (doc->type == XML_HTML_DOCUMENT_NODE)) {
- #ifdef LIBXML_HTML_ENABLED
- htmlNodeDump(buf, doc, cur);
- #else
- printf("HTML support not compiled inn");
- #endif /* LIBXML_HTML_ENABLED */
- } else
- xmlNodeDump(buf, doc, cur, 0, 1);
- xmlBufferDump(f, buf);
- xmlBufferFree(buf);
- }
- /**
- * xmlDocContentDump:
- * @buf: the XML buffer output
- * @cur: the document
- *
- * Dump an XML document.
- */
- static void
- xmlDocContentDump(xmlBufferPtr buf, xmlDocPtr cur) {
- xmlBufferWriteChar(buf, "<?xml version=");
- if (cur->version != NULL)
- xmlBufferWriteQuotedString(buf, cur->version);
- else
- xmlBufferWriteChar(buf, ""1.0"");
- if (cur->encoding != NULL) {
- xmlBufferWriteChar(buf, " encoding=");
- xmlBufferWriteQuotedString(buf, cur->encoding);
- }
- switch (cur->standalone) {
- case 0:
- xmlBufferWriteChar(buf, " standalone="no"");
- break;
- case 1:
- xmlBufferWriteChar(buf, " standalone="yes"");
- break;
- }
- xmlBufferWriteChar(buf, "?>n");
- if (cur->children != NULL) {
- xmlNodePtr child = cur->children;
- /* global namespace definitions, the old way */
- if (oldXMLWDcompatibility)
- xmlGlobalNsListDump(buf, cur->oldNs);
- else
- xmlUpgradeOldNs(cur);
-
- while (child != NULL) {
- xmlNodeDump(buf, cur, child, 0, 1);
- xmlBufferWriteChar(buf, "n");
- child = child->next;
- }
- }
- }
- /**
- * xmlDocDumpMemory:
- * @cur: the document
- * @mem: OUT: the memory pointer
- * @size: OUT: the memory lenght
- *
- * Dump an XML document in memory and return the xmlChar * and it's size.
- * It's up to the caller to free the memory.
- */
- void
- xmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) {
- xmlBufferPtr buf;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlDocDumpMemory : document == NULLn");
- #endif
- *mem = NULL;
- *size = 0;
- return;
- }
- buf = xmlBufferCreate();
- if (buf == NULL) {
- *mem = NULL;
- *size = 0;
- return;
- }
- xmlDocContentDump(buf, cur);
- *mem = xmlStrndup(buf->content, buf->use);
- *size = buf->use;
- xmlBufferFree(buf);
- }
- /**
- * xmlGetDocCompressMode:
- * @doc: the document
- *
- * get the compression ratio for a document, ZLIB based
- * Returns 0 (uncompressed) to 9 (max compression)
- */
- int
- xmlGetDocCompressMode (xmlDocPtr doc) {
- if (doc == NULL) return(-1);
- return(doc->compression);
- }
- /**
- * xmlSetDocCompressMode:
- * @doc: the document
- * @mode: the compression ratio
- *
- * set the compression ratio for a document, ZLIB based
- * Correct values: 0 (uncompressed) to 9 (max compression)
- */
- void
- xmlSetDocCompressMode (xmlDocPtr doc, int mode) {
- if (doc == NULL) return;
- if (mode < 0) doc->compression = 0;
- else if (mode > 9) doc->compression = 9;
- else doc->compression = mode;
- }
- /**
- * xmlGetCompressMode:
- *
- * get the default compression mode used, ZLIB based.
- * Returns 0 (uncompressed) to 9 (max compression)
- */
- int
- xmlGetCompressMode(void) {
- return(xmlCompressMode);
- }
- /**
- * xmlSetCompressMode:
- * @mode: the compression ratio
- *
- * set the default compression mode used, ZLIB based
- * Correct values: 0 (uncompressed) to 9 (max compression)
- */
- void
- xmlSetCompressMode(int mode) {
- if (mode < 0) xmlCompressMode = 0;
- else if (mode > 9) xmlCompressMode = 9;
- else xmlCompressMode = mode;
- }
- /**
- * xmlDocDump:
- * @f: the FILE*
- * @cur: the document
- *
- * Dump an XML document to an open FILE.
- */
- void
- xmlDocDump(FILE *f, xmlDocPtr cur) {
- xmlBufferPtr buf;
- if (cur == NULL) {
- #ifdef DEBUG_TREE
- fprintf(stderr, "xmlDocDump : document == NULLn");
- #endif
- return;
- }
- buf = xmlBufferCreate();
- if (buf == NULL) return;
- xmlDocContentDump(buf, cur);
- xmlBufferDump(f, buf);
- xmlBufferFree(buf);
- }
- /**
- * xmlSaveFile:
- * @filename: the filename
- * @cur: the document
- *
- * Dump an XML document to a file. Will use compression if
- * compiled in and enabled. If @filename is "-" the stdout file is
- * used.
- * returns: the number of file written or -1 in case of failure.
- */
- int
- xmlSaveFile(const char *filename, xmlDocPtr cur) {
- xmlBufferPtr buf;
- #ifdef HAVE_ZLIB_H
- gzFile zoutput = NULL;
- char mode[15];
- #endif
- FILE *output = NULL;
- int ret;
- /*
- * save the content to a temp buffer.
- */
- buf = xmlBufferCreate();
- if (buf == NULL) return(0);
- xmlDocContentDump(buf, cur);
- #ifdef HAVE_ZLIB_H
- if (cur->compression < 0) cur->compression = xmlCompressMode;
- if ((cur->compression > 0) && (cur->compression <= 9)) {
- sprintf(mode, "w%d", cur->compression);
- if (!strcmp(filename, "-"))
- zoutput = gzdopen(1, mode);
- else
- zoutput = gzopen(filename, mode);
- }
- if (zoutput == NULL) {
- #endif
- output = fopen(filename, "w");
- if (output == NULL) {
- xmlBufferFree(buf);
- return(-1);
- }
- #ifdef HAVE_ZLIB_H
- }
- if (zoutput != NULL) {
- ret = gzwrite(zoutput, buf->content, sizeof(xmlChar) * buf->use);
- gzclose(zoutput);
- } else {
- #endif
- ret = xmlBufferDump(output, buf);
- fclose(output);
- #ifdef HAVE_ZLIB_H
- }
- #endif
- xmlBufferFree(buf);
- return(ret * sizeof(xmlChar));
- }