xmlesc.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: xmlesc.cpp,v 1.8.2.1 2004/07/19 21:04:07 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- // $Id: xmlesc.cpp,v 1.8.2.1 2004/07/19 21:04:07 hubbe Exp $
- /*******************************************************************
- *
- * NAME: xmlesc.cpp
- *
- * CLASS
- * CEscapeXMLtoHTML
- *
- * DESCRIPTION:
- * The implmentation for a class that escapes all the XML characters
- * that are not printable in HTML. A IHXBuffer is passed into the
- * class on throgh the Convert Method. This is a pure virtual class.
- * The CheckTag, and OnTag functions must be implemented in a child
- * class.
- *
- * NOTES:
- * Started with Mozilla's ColorHTML function
- *
- *******************************************************************/
- #include "hxcom.h" /* IUnknown */
- #include "hxtypes.h"
- #include "hxbuffer.h"
- #include "hxiids.h"
- #include "hxstrutl.h"
- #include "hxstring.h"
- #include "perplex.h"
- #include "rtsputil.h"
- #include "growingq.h"
- #include "xmlesc.h"
- #include "vsrcinfo.h"
- #include "hlxclib/string.h"
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Static variable declarations
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- const char* const
- CEscapeXMLtoHTML::m_pDefaultTags[20] =
- {
- tag_BEGIN_TAG
- ,tag_END_TAG
- ,tag_BEGIN_TAG_NAME
- ,tag_END_TAG_NAME
- ,tag_BEGIN_ATTRIBUTE
- ,tag_END_ATTRIBUTE
- ,tag_BEGIN_BROKEN_ATT
- ,tag_END_BROKEN_ATT
- ,tag_BEGIN_COMMENT
- ,tag_END_COMMENT
- ,tag_BEGIN_AMPERSAND
- ,tag_END_AMPERSAND
- ,tag_BEGIN_HREF
- ,tag_END_HREF
- ,tag_PROCESSING_INSTRUCTIONS
- ,tag_END_PI
- ,tag_BEGIN_CDATA
- ,tag_END_CDATA
- ,tag_BEGIN_DTD
- ,tag_END_DTD
- };
- const char* const
- CEscapeXMLtoHTML::m_pStyleTags[20] =
- {
- style_BEGIN_TAG
- ,style_END_TAG
- ,style_BEGIN_TAG_NAME
- ,style_END_TAG_NAME
- ,style_BEGIN_ATTRIBUTE
- ,style_END_ATTRIBUTE
- ,style_BEGIN_BROKEN_ATT
- ,style_END_BROKEN_ATT
- ,style_BEGIN_COMMENT
- ,style_END_COMMENT
- ,style_BEGIN_AMPERSAND
- ,style_END_AMPERSAND
- ,style_BEGIN_HREF
- ,style_END_HREF
- ,style_PROCESSING_INSTRUCTIONS
- ,style_END_PI
- ,style_BEGIN_CDATA
- ,style_END_CDATA
- ,style_BEGIN_DTD
- ,style_END_DTD
- };
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Public Methods
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * CEscapeXMLtoHTML(pServerUrl, pOurPath)
- *
- * PARAMETERS:
- * pServerUrl Full url to the server including the template file.
- * pOurPath The Relative path of the file currently being parsed
- * no trailing "/"
- * bMangleLinks - to mangle or not
- * bUseStyles - output in styles or regular HTML
- * pHotTags - The tags that we will call OnTag For.
- * pDefaultView - The default viewsource to use for remote rstp
- * links ":port/viewmount/viewfile"
- * DESCRIPTION:
- * Constructor.
- * This is the primary means of creating an instance of CEscapeXMLtoHTML.
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- CEscapeXMLtoHTML::CEscapeXMLtoHTML(IHXValues* pOptions, const char** pHotTags)
- : m_pEscapeStrings(NULL)
- , m_pServerUrl(NULL)
- , m_pOurPath(NULL)
- , m_pHotTags(NULL)
- , m_pDefaultView(NULL)
- , m_pFileName(NULL)
- , m_pRamGen(NULL)
- , m_ulModDate(0)
- , m_ulFileSize(0)
- {
- m_pHotTags = pHotTags;
- IHXBuffer* pViewURL = NULL;
- IHXBuffer* pCurrentPath = NULL;
- IHXBuffer* pRemoteView = NULL;
- IHXBuffer* pFileName = NULL;
- UINT32 ulMangle = 0;
- UINT32 ulStyles = 0;
- if ( FAILED(pOptions->GetPropertyCString("ViewSourceURL", pViewURL)) ||
- FAILED(pOptions->GetPropertyCString("CurrentPath", pCurrentPath)) ||
- FAILED(pOptions->GetPropertyULONG32("HidePaths", ulMangle)) ||
- FAILED(pOptions->GetPropertyULONG32("UseStyles", ulStyles)) ||
- FAILED(pOptions->GetPropertyCString("RemoteViewSourceURL", pRemoteView)) ||
- FAILED(pOptions->GetPropertyCString("FileName", pFileName)) ||
- FAILED(pOptions->GetPropertyULONG32("ModificationTime", m_ulModDate)) ||
- FAILED(pOptions->GetPropertyULONG32("FileSize", m_ulFileSize)) )
- {
- HX_ASSERT(FALSE);
- // return HXR_INVALID_PARAMETER;
- }
- m_bMangleLinks = ulMangle ? TRUE : FALSE;
- BOOL bUseStyles = ulStyles ? TRUE : FALSE;
- m_pServerUrl = new char[pViewURL->GetSize()+1];
- strcpy(m_pServerUrl, (char*)pViewURL->GetBuffer()); /* Flawfinder: ignore */
- m_pOurPath = new char[pCurrentPath->GetSize()+1];
- strcpy(m_pOurPath, (char*)pCurrentPath->GetBuffer()); /* Flawfinder: ignore */
- m_pDefaultView = new char[pRemoteView->GetSize()+1];
- strcpy(m_pDefaultView, (char*)pRemoteView->GetBuffer()); /* Flawfinder: ignore */
- m_pFileName = new char[pFileName->GetSize()+1];
- strcpy(m_pFileName, (char*)pFileName->GetBuffer()); /* Flawfinder: ignore */
- IHXBuffer* pRamGen = NULL;
- if ( SUCCEEDED(pOptions->GetPropertyCString("RamGenURL", pRamGen)) )
- {
- m_pRamGen = new char[pRamGen->GetSize()+1];
- strcpy(m_pRamGen, (char*)pRamGen->GetBuffer()); /* Flawfinder: ignore */
- }
- HX_RELEASE(pRamGen);
- HX_RELEASE(pRemoteView);
- HX_RELEASE(pViewURL);
- HX_RELEASE(pCurrentPath);
- HX_RELEASE(pFileName);
- if ( bUseStyles )
- {
- m_pEscapeStrings = (const char**) m_pStyleTags;
- }
- else
- {
- m_pEscapeStrings = (const char**) m_pDefaultTags;
- }
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * ~CEscapeXMLtoHTML()
- *
- * PARAMETERS:
- * none
- *
- * DESCRIPTION:
- * Destructor.
- *
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- CEscapeXMLtoHTML::~CEscapeXMLtoHTML()
- {
- HX_VECTOR_DELETE(m_pRamGen);
- HX_VECTOR_DELETE(m_pServerUrl);
- HX_VECTOR_DELETE(m_pOurPath);
- HX_VECTOR_DELETE(m_pDefaultView);
- HX_VECTOR_DELETE(m_pFileName);
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Convert(pXMLsrc, pOutBuffer)
- *
- * PARAMETERS:
- * pXMLsrc Pointer to a IHXBuffer containing the src of xml to
- * be converted
- * pOutBuffer A new IHXBuffer containing the parsed XML data ready
- * to be displayed in an HTML browser.
- *
- * DESCRIPTION:
- * Creates a growing queue, copies the buffers to a cstring, then calls
- * the Parse(...) function to parse the string. Next the outputed is
- * dequeued Off the growing queue and put in a new IHXBuffer and
- * returned
- *
- * RETURNS
- *
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- STDMETHODIMP CEscapeXMLtoHTML::Convert(IHXBuffer* pXMLsrc,
- REF(IHXBuffer*) pOutBuffer)
- {
- // TODO: UTF-16
- UCHAR* pIn = NULL;
- UINT32 ulLen;
-
- HX_ASSERT(pXMLsrc != NULL);
- pXMLsrc->Get(pIn, ulLen);
-
- CBigByteGrowingQueue* pQueue = NULL;
-
- if ( ulLen )
- {
- pQueue = new CBigByteGrowingQueue(ulLen*4);
- if ( !pQueue )
- {
- // panic
- HX_RELEASE(pXMLsrc);
- return HXR_OUTOFMEMORY;
- }
- DataObject StateObj;
- StateObj.state = IN_CONTENT;
- StateObj.bPushChar = TRUE;
-
- PushHeader(pQueue);
- pQueue->EnQueue("<pre><!-- Begin Source -->n");
- Parse(pIn, ulLen, pQueue, &StateObj);
- pQueue->EnQueue("n<!-- End Source --></pre>n");
- UINT32 ulOutLen;
- ulOutLen = pQueue->GetQueuedItemCount();
- HX_RELEASE(pOutBuffer);
- pOutBuffer = new CHXBuffer();
- pOutBuffer->AddRef();
- if ( pOutBuffer->SetSize(ulOutLen) != HXR_OK )
- {
- HX_RELEASE(pXMLsrc);
- return HXR_OUTOFMEMORY;
- }
- UCHAR* pOut = pOutBuffer->GetBuffer();
- pQueue->DeQueue(pOut, ulOutLen);
- }
- else
- { // just return an empty buffer.
- HX_RELEASE(pOutBuffer);
- pOutBuffer = new CHXBuffer();
- pOutBuffer->AddRef();
- }
- HX_DELETE(pQueue);
- return HXR_OK;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * PushCommonHeader(queue)
- *
- * PARAMETERS:
- *
- * queue The queue to push the output to.
- *
- * DESCRIPTION:
- *
- * Pushes the common information onto the queue.
- *
- * RETURNS
- *
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- void CEscapeXMLtoHTML::PushCommonHeader(CBigByteGrowingQueue* queue)
- {
- queue->EnQueue(z_pFileName);
- queue->EnQueue(m_pFileName);
- queue->EnQueue(z_pEndLine);
-
- QueueModificationTime(queue, m_ulModDate);
- QueueFileSize(queue, m_ulFileSize);
- if ( m_pRamGen )
- {
- queue->EnQueue(z_pRamLink);
- queue->EnQueue("<a href="");
- queue->EnQueue(m_pRamGen);
- const char* p = m_pOurPath;
- if ( *p == '/' )
- {
- p++;
- }
- queue->EnQueue(p);
- queue->EnQueue("/");
- queue->EnQueue(m_pFileName);
- queue->EnQueue("">");
- queue->EnQueue(m_pRamGen);
- queue->EnQueue(p);
- queue->EnQueue("/");
- queue->EnQueue(m_pFileName);
- queue->EnQueue("</a>");
- queue->EnQueue(z_pEndLine);
- }
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Protected Methods
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * WrapAttributeWithHREF (pPositionPointer, ulLen, pObj, pQueue, pAttribute)
- *
- * PARAMETERS:
- *
- * pPositionPointer Pointer to a character string. It points to the first
- * whitespace after the tagname
- * ulLen Length to end of pPositionPointer so we don't overrun the buffer
- * pObj The current state of the Parse Function, this can be used
- * to continue parsing.
- * queue The queue to push the output to.
- * pAttribute The attribute we want to wrap.
- *
- * DESCRIPTION:
- * This method will take the given pPositionPointer and wrap the given attribute
- * with an HREF
- *
- * RETURNS
- * UINT32
- * number of characters used off pPositionPointer, thus the position can be
- * adjusted after the function returns
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- UINT32 CEscapeXMLtoHTML::WrapAttributeWithHREF(const UCHAR* pPositionPointer,
- UINT32 ulLen,
- DataObject* pObj,
- CBigByteGrowingQueue* pQueue,
- const char* pAttribute)
- {
- // we need to find two things
- // 1 - the end of the tag
- // 2 - the beggining of the attribute
- const UCHAR* pBeginAttribute = NULL;
- const UCHAR* pEndTag = NULL;
- const char* walker = (const char*)pPositionPointer;
- BOOL bInComment = FALSE;
- UINT32 ulEscLen = 0;
- UINT16 uAttribLen = strlen(pAttribute);
- while ( (!pEndTag || bInComment) && ulEscLen < ulLen)
- {
- if ( !bInComment )
- {
- if ( *walker == '>')
- {
- pEndTag = (const UCHAR*)walker;
- ++pEndTag;
- }
- else if ( ulEscLen + uAttribLen < ulLen &&
- isspace(*(walker-1)) &&
- !strncmp(walker, pAttribute, uAttribLen) )
- {
- walker += uAttribLen;
- ulEscLen += uAttribLen;
- // eat ws.
- while ( isspace(*walker) && ulEscLen < ulLen )
- {
- ++walker;
- ++ulEscLen;
- }
- // assert for =
- HX_ASSERT(*walker == '=');
- if ( *walker == '=' )
- {
- ++walker;
- ++ulEscLen;
- while ( isspace(*walker) && ulEscLen < ulLen )
- {
- ++walker;
- ++ulEscLen;
- }
- // eat ws assert for " '
- HX_ASSERT(*walker == '"' || *walker == ''');
- if ( *walker == '"' || *walker == ''' )
- {
- ++walker;
- ++ulEscLen;
- pBeginAttribute = (const UCHAR*)walker;
- }
- }
- }
- else if ( ulEscLen + 4 < ulLen && !strncmp(walker, "<!--", 4) )
- {
- bInComment = TRUE;
- walker += 3;
- ulEscLen += 3;
- }
- }
- else
- {
- if ( ulEscLen + 3 < ulLen && !strncmp(walker, "-->", 3) )
- {
- bInComment = FALSE;
- walker += 2;
- ulEscLen += 2;
- }
- }
- ++walker;
- ++ulEscLen;
- }
- UINT32 pos = 0;
- if ( pBeginAttribute ) {
- // parse until the end of the attribute tag.
- pos = pBeginAttribute - pPositionPointer;
- Parse(pPositionPointer, pos, pQueue, pObj);
- // advance the character pointer by how much we parsed.
- pPositionPointer += pos;
- // push our wrapper on
- BOOL bPushed = PushOpenningHREF(pPositionPointer, pQueue, pObj->cQuote);
- // push mangled filename on
- UINT32 ulPathLen = PushMangledDisplayedPath(pPositionPointer, pQueue, pObj->cQuote);
- // advancd pPositionPointer by path length
- pPositionPointer += ulPathLen;
- pos += ulPathLen;
- // push ending HREF
- if ( bPushed )
- {
- PushEndingHREF(pQueue);
- }
- // parse to end of tag
- Parse(pPositionPointer, ulEscLen - pos, pQueue, pObj);
- pObj->bPushChar = FALSE;
- // We want to return pointing to the last '>', therefore we can
- // catch anything that is imediatly following our tag.
- return ulEscLen - 1;
- }
- pObj->bPushChar = TRUE;
- return 0;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * WrapHREF (pPositionPointer, ulLen, pObj, pQueue)
- *
- * PARAMETERS:
- *
- * pPositionPointer Pointer to a character string. It points to the first
- * whitespace after the tagname
- * ulLen Length to end of pPositionPointer so we don't overrun the buffer
- * pObj The current state of the Parse Function, this can be used
- * to continue parsing.
- * queue The queue to push the output to.
- * pAttribute The attribute we want to wrap.
- *
- * DESCRIPTION:
- * This method will take the given pPositionPointer and wrap an HREF=
- * With a link to itself.
- *
- * RETURNS
- * UINT32
- * number of characters used off pPositionPointer, thus the position can be
- * adjusted after the function returns
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- #ifdef HYPER_LINKING_HREFS_XML
- UINT32 CEscapeXMLtoHTML::LinkHREF(const UCHAR* pPositionPointer,
- UINT32 ulLen,
- DataObject* pObj,
- CBigByteGrowingQueue* pQueue)
- {
- const UCHAR* pBeginHREF = NULL;
- const UCHAR* pEndHREF = NULL;
- const UCHAR* pEndTag = NULL;
- const char* walker = (const char*)pPositionPointer;
- BOOL bInComment = FALSE;
- BOOL bInString = FALSE;
- UINT32 ulEscLen = 0;
- while ( (!pEndTag) && ulEscLen < ulLen)
- {
- if ( bInString )
- {
- if ( *walker == '"' || *walker == ''')
- {
- bInString = FALSE;
- pEndHREF = (const UCHAR*)walker;
- }
- }
- else if ( !bInComment )
- {
- if ( *walker == '>')
- {
- pEndTag = (const UCHAR*)walker;
- ++pEndTag;
- }
- else if ( ulEscLen + 6 < ulLen &&
- isspace(*(walker-1)) &&
- !strncmp(walker, "href", 4) &&
- (*(walker+4) == '=' || isspace(*(walker+4))) )
- {
- walker += 4;
- ulEscLen += 4;
- while ( *walker != '"' && *walker != ''' && ulEscLen < ulLen &&
- (isspace(*walker) || *walker == '='))
- {
- ++walker;
- ++ulEscLen;
- }
- HX_ASSERT(*walker == '"' || *walker == ''');
- if ( *walker == '"' || *walker == ''')
- {
- pBeginHREF = (const UCHAR*)walker + 1;
- bInString = TRUE;
- }
- }
- else if ( ulEscLen + 4 < ulLen &&
- !strncmp(walker, "<!--", 4) )
- {
- bInComment = TRUE;
- walker += 3;
- ulEscLen += 3;
- }
- }
- else
- {
- if ( ulEscLen + 3 < ulLen && !strncmp(walker, "-->", 3) )
- {
- bInComment = FALSE;
- walker += 2;
- ulEscLen += 2;
- }
- }
- ++walker;
- ++ulEscLen;
- }
- if ( pEndTag == NULL || pBeginHREF == NULL || pEndHREF == NULL )
- {
- return 0;
- }
- else
- {
- const UCHAR* cp = pPositionPointer;
- Parse(pPositionPointer, pBeginHREF - cp, pQueue, pObj);
- cp += pBeginHREF - cp;
- pQueue->EnQueue(m_pEscapeStrings[BeginHREF]);
- pQueue->EnQueue((void*)pBeginHREF, pEndHREF - pBeginHREF);
- pQueue->EnQueue("">");
- Parse(cp, pEndHREF - pBeginHREF, pQueue, pObj);
- cp += pEndHREF - pBeginHREF;
- pQueue->EnQueue(m_pEscapeStrings[EndHREF]);
- // parse to end of tag
- Parse(cp, pEndTag - cp, pQueue, pObj);
- pObj->bPushChar = FALSE;
- // We want to return pointing to the last '>', therefore we can
- // catch anything that is imediatly following our tag.
- return pEndTag - pPositionPointer - 1;
- }
- }
- #endif //HYPER_LINKING_HREFS_XML
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Parse(pIn, ulLen, pQueue, pObj)
- *
- * PARAMETERS:
- * pIn The string to be parsed.
- * ulLen How far to parse through pIn
- * pQueue The output Queue to push onto
- * pObj The state object. This is used to start the queue from a
- * given state.
- *
- * DESCRIPTION:
- * This function walks through the string one character at a time.
- * Every tag is checked with the CheckTag(...) function to see if it
- * needs special attention. If so the OnTag(...) function is called.
- * This function will be implemented in a child class that will replace
- * the tag with parsed imput returning how far along pIn it made it.
- * This function is designed such that Inherited classes can recusivly
- * call it to parse thier stream from the given state.
- *
- * RETURNS
- * void
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- void
- CEscapeXMLtoHTML::Parse(const UCHAR* pIn, UINT32 ulLen,
- CBigByteGrowingQueue* pQueue,
- DataObject* pObj)
- {
- HX_ASSERT(pIn);
-
- const UCHAR* pPositionPointer;
- UINT32 uPositionOffset;
- for ( uPositionOffset = 0, pPositionPointer = pIn;
- uPositionOffset < ulLen; uPositionOffset++, pPositionPointer++ )
- {
- switch(pObj->state)
- {
- case IN_CONTENT:
- {
- /* do nothing until you find a '<' "<!--" or '&' */
- if ( *pPositionPointer == '<' )
- {
- /* XXX we can miss a comment spanning a block boundary */
- pObj->bPushChar = FALSE;
- if ( uPositionOffset + 4 <= ulLen &&
- !strncmp((char*)pPositionPointer, "<!--", 4) )
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginCommentMarkup]);
- pQueue->EnQueue("<");
- pObj->state = IN_COMMENT;
- }
- else if ( uPositionOffset + 2 <= ulLen &&
- !strncmp((char*)pPositionPointer, "<?", 2) )
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- pQueue->EnQueue("<");
- pQueue->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[BeginProcessingInstructions]);
- pQueue->EnQueue("?");
- pQueue->EnQueue(m_pEscapeStrings[BeginTagNameMarkup]);
- // increment pPositionPointer & uPositionOffset one because of ?
- ++pPositionPointer;
- ++uPositionOffset;
- pObj->bInProcessingInstructions = TRUE;
- pObj->bPushChar = FALSE;
- pObj->state = ABOUT_TO_BEGIN_TAG;
- }
- else if ( uPositionOffset + 9 <= ulLen &&
- !strncmp((char*)pPositionPointer, "<![CDATA[", 9) )
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- pQueue->EnQueue("<");
- pQueue->EnQueue(m_pEscapeStrings[BeginTagNameMarkup]);
- pQueue->EnQueue("![CDATA[");
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[BeginCDATA]);
- pObj->bPushChar = FALSE;
- pPositionPointer += 8;
- uPositionOffset += 8;
- pObj->state = IN_CDATA;
- }
- else if ( uPositionOffset + 2 <= ulLen &&
- !strncmp((char*)pPositionPointer, "<!", 2) )
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- pQueue->EnQueue("<");
- pQueue->EnQueue(m_pEscapeStrings[BeginTagNameMarkup]);
- pObj->state = IN_DOC_TYPE_DEC_TAG;
- }
- else
- {
- BeginColorTag(pQueue, pObj);
- }
- }
- else if ( *pPositionPointer == '&' )
- {
- pObj->bPushChar = FALSE;
- pQueue->EnQueue(m_pEscapeStrings[BeginAmpersandThingyMarkup]);
- pQueue->EnQueue("&");
- pObj->state = IN_AMPERSAND_THINGY;
- }
- }
- break;
- case IN_DOC_TYPE_DEC_TAG:
- {
- if ( IS_SPACE(*pPositionPointer) )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[BeginDTD]);
- pObj->bPushChar = TRUE; // we want to still push it
- pObj->state = IN_DOC_TYPE_DEC;
- }
- else if ( *pPositionPointer == '>' )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[EndDTD]);
- pQueue->EnQueue(">");
- pObj->bPushChar = FALSE;
- pObj->state = IN_CONTENT;
- }
- }
- break;
- case IN_DOC_TYPE_DEC:
- {
- if ( pObj->bInDataSection )
- {
- if ( pObj->bInInternalComment )
- {
- /* do nothing until you find a closing '-->' */
- if ( !strncmp((char*)pPositionPointer, "-->", 3) )
- {
- pObj->bPushChar = FALSE;
- pObj->bInInternalComment = FALSE;
- pQueue->EnQueue("-->");
- pPositionPointer += 2;
- uPositionOffset += 2;
- pQueue->EnQueue(m_pEscapeStrings[EndCommentMarkup]);
- }
- }
- else if ( !strncmp((char*)pPositionPointer, "<!--", 4) )
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginCommentMarkup]);
- pQueue->EnQueue("<");
- pObj->bPushChar = FALSE;
- pObj->bInInternalComment = TRUE;
- }
- else if ( *pPositionPointer == ']' )
- {
- pObj->bInDataSection = FALSE;
- }
- }
- else if ( *pPositionPointer == '[' )
- {
- pObj->bInDataSection = TRUE;
- }
- else if ( *pPositionPointer == '>' )
- {
- pObj->bPushChar = FALSE;
- pQueue->EnQueue(m_pEscapeStrings[EndDTD]);
- pQueue->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- pQueue->EnQueue(">");
- pQueue->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- pObj->state = IN_CONTENT;
- }
- if ( pObj->bPushChar )
- {
- if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- else if ( *pPositionPointer == '&' )
- {
- /* protect ourselves from markup */
- pQueue->EnQueue("&");
- pObj->bPushChar = FALSE;
- }
- }
- }
- break;
- case IN_CDATA:
- {
- if ( !strncmp((char*)pPositionPointer, "]]>", 3) )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndCDATA]);
- pQueue->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- pQueue->EnQueue(m_pEscapeStrings[BeginTagNameMarkup]);
- pQueue->EnQueue("]]");
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- pQueue->EnQueue(">");
- pQueue->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- pPositionPointer += 2;
- uPositionOffset += 2;
- pObj->bPushChar = FALSE;
- pObj->state = IN_CONTENT;
- }
- if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- else if ( *pPositionPointer == '&' )
- {
- /* protect ourselves from markup */
- pQueue->EnQueue("&");
- pObj->bPushChar = FALSE;
- }
- }
- break;
- case ABOUT_TO_BEGIN_TAG:
- {
- /* we have seen the first '<'
- * once we see a non-whitespace character
- * we will be in the tag identifier
- */
- if ( *pPositionPointer == '>' )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- EndColorTag(pQueue, pObj);
- }
- else if ( !IS_SPACE(*pPositionPointer) )
- {
- pObj->state = IN_BEGIN_TAG;
- pObj->tag_index = 0;
- pObj->tag[pObj->tag_index++] = *pPositionPointer;
-
- if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- pQueue->EnQueue("<");
- }
- }
- }
- break;
- case IN_BEGIN_TAG:
- {
- /* go to the IN_TAG state when we see
- * the first whitespace
- */
- if ( IS_SPACE(*pPositionPointer) )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- pObj->bPushChar = TRUE; // we want to still push it
- pObj->state = IN_TAG;
- if (pObj->tag_index < MAXTAGLEN) pObj->tag[pObj->tag_index] = ' ';
- if ( CheckTag(pObj) )
- {
- UINT32 pos = OnTag(pPositionPointer, ulLen - uPositionOffset, pObj, pQueue);
- pPositionPointer += pos;
- uPositionOffset += pos;
- }
- }
- else if ( *pPositionPointer == '>' )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndTagNameMarkup]);
- EndColorTag(pQueue, pObj);
- }
- else if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- if ( !pObj->bInBrokenXML )
- {
- pObj->bInBrokenXML = TRUE;
- pQueue->EnQueue(m_pEscapeStrings[BeginBrokenAttributeMarkup]);
- pQueue->EnQueue("<");
- }
- else
- {
- pQueue->EnQueue("<");
- }
- }
- else
- {
- if (pObj->tag_index < MAXTAGLEN)
- {
- pObj->tag[pObj->tag_index++] = *pPositionPointer;
- }
- }
- }
- break;
- case IN_TAG:
- {
- /* do nothing until you find a opening '=' or end '>' */
- if ( *pPositionPointer == '=' )
- {
- pObj->bPushChar = FALSE;
- pQueue->EnQueue("=");
- pQueue->EnQueue(m_pEscapeStrings[BeginAttributeValueMarkup]);
- pObj->state = BEGIN_ATTRIBUTE_VALUE;
- }
- else if ( *pPositionPointer == '>' )
- {
- EndColorTag(pQueue, pObj);
- }
- else if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- }
- break;
- case BEGIN_ATTRIBUTE_VALUE:
- {
- /* when we reach the first non-whitespace
- * we will enter the UNQUOTED or the QUOTED
- * ATTRIBUTE state
- */
- if ( !IS_SPACE(*pPositionPointer) )
- {
- if ( *pPositionPointer == '"' || *pPositionPointer == ''')
- {
- pObj->cQuote = *pPositionPointer;
- pObj->state = IN_QUOTED_ATTRIBUTE_VALUE;
- /* no need to jump to the quoted attr handler
- * since this char can't be a dangerous char
- */
- }
- else
- {
- pObj->state = IN_UNQUOTED_ATTRIBUTE_VALUE;
- /* need to jump to the unquoted attr handler
- * since this char can be a dangerous character
- */
- goto unquoted_attribute_jump_point;
- }
- }
- else if ( *pPositionPointer == '>' )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndAttributeValueMarkup]);
- EndColorTag(pQueue, pObj);
- }
- else if ( *pPositionPointer == '<' )
- {
- /* protect ourselves from markup */
- pObj->bPushChar = FALSE;
- pQueue->EnQueue("<");
- }
- }
- break;
- case IN_UNQUOTED_ATTRIBUTE_VALUE:
- {
- unquoted_attribute_jump_point:
- /* do nothing until you find a whitespace */
- if ( IS_SPACE(*pPositionPointer) )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndAttributeValueMarkup]);
- pObj->state = IN_TAG;
- }
- else if ( *pPositionPointer == '>' )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndAttributeValueMarkup]);
- EndColorTag(pQueue, pObj);
- }
- else if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- else if ( *pPositionPointer == '&' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("&");
- }
- break;
- }
- case IN_QUOTED_ATTRIBUTE_VALUE:
- {
- /* do nothing until you find a closing '"' */
- if ( *pPositionPointer == pObj->cQuote )
- {
- pObj->bPushChar = FALSE;
- if ( pObj->bInBrokenXML )
- {
- pQueue->EnQueue(m_pEscapeStrings[EndBrokenAttributeMarkup]);
- pObj->bInBrokenXML = FALSE;
- }
- pQueue->EnQueue((void*)&pObj->cQuote, 1);
- pQueue->EnQueue(m_pEscapeStrings[EndAttributeValueMarkup]);
- pObj->state = IN_TAG;
- }
- else if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- else if ( *pPositionPointer == '&' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("&");
- }
- else if ( *pPositionPointer == '>' )
- {
- pObj->bPushChar = FALSE;
- /* probably a broken attribute value */
- if ( !pObj->bInBrokenXML )
- {
- pObj->bInBrokenXML = TRUE;
- pQueue->EnQueue(m_pEscapeStrings[BeginBrokenAttributeMarkup]);
- pQueue->EnQueue(">");
- }
- }
- }
- break;
- case IN_COMMENT:
- {
- /* do nothing until you find a closing '-->' */
- if ( !strncmp((char*)pPositionPointer, "-->", 3) )
- {
- pObj->bPushChar = FALSE;
- pQueue->EnQueue("-->");
- pPositionPointer += 2;
- uPositionOffset += 2;
- pQueue->EnQueue(m_pEscapeStrings[EndCommentMarkup]);
- pObj->state = IN_CONTENT;
- }
- else if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- else if ( *pPositionPointer == '&' )
- {
- /* protect ourselves from markup */
- pQueue->EnQueue("&");
- pObj->bPushChar = FALSE;
- }
- }
- break;
- case IN_AMPERSAND_THINGY:
- {
- /* do nothing until you find a ';' or space */
- if ( *pPositionPointer == ';' || IS_SPACE(*pPositionPointer) )
- {
- pObj->bPushChar = FALSE;
- pQueue->EnQueue((char*)pPositionPointer, 1);
- pQueue->EnQueue(m_pEscapeStrings[EndAmpersandThingyMarkup]);
- pObj->state = IN_CONTENT;
- }
- else if ( *pPositionPointer == '<' )
- {
- pObj->bPushChar = FALSE;
- /* protect ourselves from markup */
- pQueue->EnQueue("<");
- }
- }
- break;
- default:
- HX_ASSERT(0);
- break;
- }
- if ( pObj->bPushChar )
- {
- pQueue->EnQueue((char*)pPositionPointer, 1);
- }
- pObj->bPushChar = TRUE;
- }
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * Private Methods
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * PushMangledDisplayedPath(pIn, pQueue, cEndQuote)
- *
- * PARAMETERS:
- * pIn Pointer to a character string. It is positioned
- * inside a quote right infront of the path or file to
- * to be mangled
- * pQueue A pointer to a CBigByteGrowingQueue that is used for queuing up
- * the parsered output.
- * cEndQuote - the character which ends the quote (either ' or ")
- *
- * DESCRIPTION:
- * This Method replaces any path after a protocol with a /.../.
- * If there is no protocol, then it just replaces any relative path with
- * /.../
- *
- * RETURNS:
- * The Number of characters off pIn that it pushed onto the queue
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- UINT32
- CEscapeXMLtoHTML::PushMangledDisplayedPath(const UCHAR* pIn,
- CBigByteGrowingQueue* pQueue,
- char cEndQuote)
- {
- const char* pszQuote = strchr((const char*) pIn, cEndQuote);
- if (pszQuote)
- {
- UINT32 ulLen = ((const UCHAR*) pszQuote) - pIn;
- UINT32 ulPos = 0;
- if ( m_bMangleLinks )
- {
- const UCHAR* pProtocolEnd = (const UCHAR*)strnstr((const char*)pIn,
- "://", (int)ulLen);
- if ( pProtocolEnd ) // we have protocol
- {
- pProtocolEnd += 2; // only push one slash
- UINT32 ulLenOfProtocol = pProtocolEnd - pIn;
- pQueue->EnQueue((void*)pIn, ulLenOfProtocol);
- pIn += ulLenOfProtocol;
- ulPos += ulLenOfProtocol;
- }
- // find last '/'
- while ( strnchr((const char*)pIn, '/', ulLen - ulPos) )
- {
- UINT32 temp = ulPos;
- temp += (const UCHAR*)strnchr((const char*)pIn, '/', ulLen - ulPos)
- - pIn + 1;
- pIn = (const UCHAR*)strnchr((const char*)pIn, '/', ulLen - ulPos)
- + 1;
- ulPos = temp;
-
- }
- pQueue->EnQueue("/.../");
- }
- // else we just do the whole thing...
- pQueue->EnQueue((void*)pIn, ulLen - ulPos);
- return ulLen;
- }
- return 0;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * PushOpenningHREF(pPositionPointer, pQueue, cEndQuote)
- *
- * PARAMETERS:
- * pPositionPointer Pointer to a character string. It is positioned
- * inside a quote right infront of the path or file to
- * to be referenced to.
- * This contains the absolute url if that is needed, or it
- * is used in the call to GetParameter(...).
- * pQueue A pointer to a CBigByteGrowingQueue that is used for queuing up
- * the output.
- * cEndQuote - the character to end the quote (either ' or ")
- *
- * DESCRIPTION:
- * This Method pushes HREF onto the output queue. It must build the
- * Url from the m_pServerUrl and the parameter (GetParameter).
- *
- *
- * RETURNS:
- * void
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- BOOL
- CEscapeXMLtoHTML::PushOpenningHREF(const UCHAR* pPositionPointer, CBigByteGrowingQueue* pQueue, char cEndQuote)
- {
- // if relative path
- // TODO: else we need to take care of full paths -
- // pPositionPointer or if m_pOurPath has a protocol as well.
- const char* pszQuote = strchr((const char*) pPositionPointer, cEndQuote);
- if (pszQuote)
- {
- UINT32 ulLen = ((const UCHAR*) pszQuote) - pPositionPointer;
- if ( strncmp((const char*)pPositionPointer, "rtsp://", 7) == 0 )
- {
- const char* p = (const char*)pPositionPointer;
- const char* pEnd = p + ulLen;
- p += 7;
- // move p to the end of server name find the first : or /
- while ( *p != ':' && *p != '/' && ++p != pEnd) {} ;
- pQueue->EnQueue(m_pEscapeStrings[BeginHREF]);
- // replacing rtsp with http
-
- //XXXJHUG -- If the server in m_pServerUrl is the same as the
- // server we are about queue we will use m_pServerUrl
- // instead of the default port and mountpoint.
-
- // mover past http://
- char* pBeginServer = m_pServerUrl + 7;
-
- UINT32 ulServerLen = 0;
- char* pServerPort = strchr(pBeginServer, ':');
- // m_pServerURL will always have a port.
- HX_ASSERT(pServerPort);
- if ( pServerPort )
- {
- ulServerLen = pServerPort - pBeginServer;
- }
- // 7 for rtsp://
- UINT32 ulXMLServerLen = p - (const char*)pPositionPointer - 7;
- if ( ulServerLen == ulXMLServerLen &&
- strncmp(pBeginServer, (const char*)pPositionPointer + 7, ulServerLen) == 0 )
- {
- // use m_pServerURL
- pQueue->EnQueue(m_pServerUrl);
- }
- else
- {
- // use the Default Port
- pQueue->EnQueue("http");
- pQueue->EnQueue((void*)(pPositionPointer + 4), p - (const char*)pPositionPointer - 4);
- pQueue->EnQueue(m_pDefaultView);
- }
- while ( *p != '/' && ++p != pEnd) {} ;
- UCHAR* pParam = GetParameter((const UCHAR*)p, pEnd - p);
- pQueue->EnQueue("?");
- pQueue->EnQueue((const char*)pParam);
- HX_VECTOR_DELETE(pParam);
- pQueue->EnQueue("">");
- }
- else if ( strnchr((const char*)pPositionPointer, ':', min(6, ulLen)) )
- {
- if ( strncmp((const char*)pPositionPointer, "pnm://", 6) != 0 &&
- (strncmp(m_pServerUrl, "http://localhost", sizeof("http://localhost") - 1) == 0 ||
- strncmp(m_pServerUrl, "http://127.0.0.1", sizeof("http://127.0.0.1") - 1) == 0) )
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginHREF]);
- pQueue->EnQueue(m_pServerUrl);
- pQueue->EnQueue("?");
- UCHAR* pParam = GetParameter(pPositionPointer, ulLen, TRUE);
- pQueue->EnQueue((const char*)pParam);
- HX_VECTOR_DELETE(pParam);
- pQueue->EnQueue("">");
- }
- else
- {
- return FALSE;
- }
- }
- else
- {
- pQueue->EnQueue(m_pEscapeStrings[BeginHREF]);
- pQueue->EnQueue(m_pServerUrl);
- pQueue->EnQueue("?");
- UCHAR* pParam = GetParameter(pPositionPointer, ulLen);
- pQueue->EnQueue((const char*)pParam);
- HX_VECTOR_DELETE(pParam);
- pQueue->EnQueue("">");
- }
- }
- return TRUE;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * PushEndingHREF(pQueue)
- *
- * PARAMETERS:
- * pQueue A pointer to a CBigByteGrowingQueue that is used for queuing up
- * the parsered output.
- *
- * DESCRIPTION:
- * Pushes end of HREF onto the output queue.
- *
- * RETURNS
- * void
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- void
- CEscapeXMLtoHTML::PushEndingHREF(CBigByteGrowingQueue* pQueue)
- {
- pQueue->EnQueue(m_pEscapeStrings[EndHREF]);
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * GetParameter(pPositionPointer, ulNameLen)
- *
- * PARAMETERS:
- * pPositionPointer Pointer to a character string. It is positioned
- * inside a quote right infront of the path or file to
- * to be referenced to.
- * ulNameLen The length of the name. It is not zero terminated.
- *
- * DESCRIPTION:
- * This method builds a relative path and paramiterizes it. Then the
- * parameter is encrypted with a call to EncryptParameter(). A string
- * is allocated to be returned
- *
- * RETURNS
- * a pointer to a new string that is to be used after the ? for an
- * option in a url
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- UCHAR*
- CEscapeXMLtoHTML::GetParameter(const UCHAR* pPositionPointer, UINT32 ulNameLen,
- BOOL bFullPath)
- {
- // allocate longest possible string
- char* pReturnBuffer = new char[(strlen(m_pOurPath) + ulNameLen) + 10];
- // 2 for a possible starting '/' and a null terminator
- // 4 for the starting src=
- // 4 for extra bytes in case we have to pad the buffer when we encypt it.
- strcpy(pReturnBuffer, "src="); /* Flawfinder: ignore */
- char* pLinkPath = pReturnBuffer + 4;
-
- // if it starts with '/' then it is a full path
- if ( *pPositionPointer == '/' || bFullPath )
- {
- strncpy(pLinkPath, (const char*)pPositionPointer, ulNameLen); /* Flawfinder: ignore */
- pLinkPath[ulNameLen] = ' ';
- }
- // if it is alpha it is simply a file name
- else if ( isalnum(*pPositionPointer) )
- {
- // 1 for "/"
- UINT32 len = strlen(m_pOurPath) + ulNameLen + 1;
- strcpy(pLinkPath, m_pOurPath); /* Flawfinder: ignore */
- strcat(pLinkPath, "/"); /* Flawfinder: ignore */
- strncat(pLinkPath, (const char*)pPositionPointer, ulNameLen); /* Flawfinder: ignore */
- pLinkPath[len] = ' ';
- }
- else if ( !strncmp((const char*)pPositionPointer, "./", 2) )
- {
- // -1 for .
- UINT32 len = strlen(m_pOurPath) + ulNameLen - 1;
- strcpy(pLinkPath, m_pOurPath); /* Flawfinder: ignore */
- pPositionPointer += 1;
- strncat(pLinkPath, (const char*)pPositionPointer, ulNameLen - 1); /* Flawfinder: ignore */
- pLinkPath[len] = ' ';
- }
- else if ( !strncmp((const char*)pPositionPointer, "../", 3 ) )
- {
- int count = 0;
- // copy m_pOurPath into pLinkPath ourselves cause we need to be at
- // the end anyway.
- const char* pSrc = m_pOurPath;
- char* pCurrentEndOfPath = pLinkPath;
- const char* pRelativePath = (const char*)pPositionPointer;
-
- // Walk to take care of any ../ that might be in the path...
- char* pDest = pCurrentEndOfPath;
- while ( *pSrc )
- {
- while ( *pSrc == '.' && *(pSrc + 1) == '.' && *(pSrc + 2) == '/' )
- {
- --pDest;
- while ( *(pDest-1) != '/' && (pDest-1) >= pLinkPath )
- {
- --pDest;
- }
- pSrc += 3;
- }
- *pDest = *pSrc;
- ++pDest;
- ++pSrc;
- }
- *pDest = ' ';
- pCurrentEndOfPath += strlen(pCurrentEndOfPath);
- // back up a directory off of the file path for
- // every ../ we find
- while (!strncmp((const char*)pRelativePath, "../", 3 ))
- {
- // we found a ../ so back up a directory on the path,
- // walk backwards to the previous / and set it to null
- while (*pCurrentEndOfPath != '/' &&
- pCurrentEndOfPath >= pLinkPath)
- {
- pCurrentEndOfPath--;
- }
- // watch to make sure we don't have more ../ than directories
- if ( pCurrentEndOfPath < pLinkPath)
- {
- ++pCurrentEndOfPath;
- }
- *pCurrentEndOfPath = ' ';
- pRelativePath +=3;
- }
- UINT32 len = (pCurrentEndOfPath - pLinkPath) +
- ulNameLen - (pRelativePath - (const char*)pPositionPointer) + 1;
-
- // back 1 off of pRelativePath so we get the / that's there.
- strncat(pLinkPath, (const char*)pRelativePath - 1, /* Flawfinder: ignore */
- ulNameLen - (pRelativePath - (const char*)pPositionPointer) + 1);
- pLinkPath[len] = ' ';
- }
- else
- {
- HX_ASSERT(FALSE);
- pLinkPath = ' ';
- }
- char* pParam = EncryptParameter(pReturnBuffer);
- HX_VECTOR_DELETE(pReturnBuffer);
- return (UCHAR*)pParam;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * EncryptParameter(pPath)
- *
- * PARAMETERS:
- * pPath Pointer to a string to be parameterized and encrypted.
- *
- * DESCRIPTION:
- * First it is assigned to a variable (src), and then the parameter is
- * encrypted
- *
- * RETURNS
- * a pointer to a new string that is to be used after the ? for an
- * option in a url
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- char*
- CEscapeXMLtoHTML::EncryptParameter(char* pPath)
- {
- UINT32 FinalLen; // length of encoded data
- UINT32 Offset = strlen(pPath);
- UINT32 nAlign = Offset % sizeof(ULONG32);
- if (nAlign > 0)
- {
- for (; nAlign < sizeof(ULONG32); nAlign++)
- {
- pPath[Offset++] = 0;
- }
- }
- FinalLen = (Offset) * Perplex_PER_ULONG32 / sizeof(ULONG32);
- // calc size of the outout (Perplexed) buffer.
- // alloc mem for final perplexed buffer
- // Add one to length 'cause low level perplex adds
- // a ' ' to the resulting string
- char* output = new char[FinalLen+1];
- CHXPerplex::DumpToPerplex((char*)output,FinalLen+1,(UCHAR*) pPath, Offset);
- return output;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * CheckTag (pObj)
- *
- * PARAMETERS:
- * pObj current state
- *
- * DESCRIPTION:
- * This method pushes the begging of a color tag onto the queue
- *
- * RETURNS
- * void
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- BOOL
- CEscapeXMLtoHTML::CheckTag(DataObject* pObj)
- {
- if ( m_pHotTags )
- {
- for ( INT32 i = 0; m_pHotTags[i]; i++ )
- {
- if ( !strcmp(pObj->tag, m_pHotTags[i]) )
- {
- return TRUE;
- }
- }
- }
- return FALSE;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * BeginColorTag (CBigByteGrowingQueue* qu, DataObject *pObj)
- *
- * PARAMETERS:
- * qu queue to output to
- * pObj current state
- * DESCRIPTION:
- * This method pushes the begging of a color tag onto the queue
- * RETURNS
- * void
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- void
- CEscapeXMLtoHTML::BeginColorTag (CBigByteGrowingQueue* qu, DataObject *pObj)
- {
- qu->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- qu->EnQueue("<");
- qu->EnQueue(m_pEscapeStrings[BeginTagNameMarkup]);
- pObj->state = ABOUT_TO_BEGIN_TAG;
- pObj->bPushChar = FALSE;
- }
- /*___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * EndColorTag (CBigByteGrowingQueue* qu, DataObject *pObj)
- *
- * PARAMETERS:
- * qu queue to output to
- * pObj current state
- *
- * DESCRIPTION:
- * This method pushes the end of a color tag onto the queue
- *
- * RETURNS
- * void
- *___________________________________________________________________________
- *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
- void
- CEscapeXMLtoHTML::EndColorTag (CBigByteGrowingQueue* qu, DataObject *pObj)
- {
- if ( pObj->bInBrokenXML )
- {
- qu->EnQueue(m_pEscapeStrings[EndBrokenAttributeMarkup]);
- pObj->bInBrokenXML = FALSE;
- }
- if ( pObj->bInProcessingInstructions )
- {
- qu->EnQueue(m_pEscapeStrings[EndProcessingInstructions]);
- qu->EnQueue(m_pEscapeStrings[BeginTagMarkup]);
- qu->EnQueue(">");
- qu->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- pObj->bInProcessingInstructions = FALSE;
- }
- else
- {
- qu->EnQueue(">");
- qu->EnQueue(m_pEscapeStrings[EndTagMarkup]);
- }
- pObj->state = IN_CONTENT;
- pObj->bPushChar = FALSE;
- }