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MemParse.cpp
上传用户:huihehuasu
上传日期:2007-01-10
资源大小:6948k
文件大小:12k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: MemParse.cpp,v $
- * Revision 1.12 2001/10/25 15:18:33 tng
- * delete the parser before XMLPlatformUtils::Terminate.
- *
- * Revision 1.11 2001/10/19 18:56:08 tng
- * Pulled the hardcoded "encoding" out of the document itself and made it a #define
- * to make it easier to support other encodings. Patch from David McCreedy.
- * And other modification for consistent help display and return code across samples.
- *
- * Revision 1.10 2001/08/01 19:11:01 tng
- * Add full schema constraint checking flag to the samples and the parser.
- *
- * Revision 1.9 2001/05/11 13:24:55 tng
- * Copyright update.
- *
- * Revision 1.8 2001/05/03 15:59:40 tng
- * Schema: samples update with schema
- *
- * Revision 1.7 2000/09/11 18:43:48 aruna1
- * OS390 related updates
- *
- * Revision 1.6 2000/03/02 19:53:42 roddey
- * This checkin includes many changes done while waiting for the
- * 1.1.0 code to be finished. I can't list them all here, but a list is
- * available elsewhere.
- *
- * Revision 1.5 2000/02/11 02:37:01 abagchi
- * Removed StrX::transcode
- *
- * Revision 1.4 2000/02/06 07:47:19 rahulj
- * Year 2K copyright swat.
- *
- * Revision 1.3 2000/01/12 00:27:00 roddey
- * Updates to work with the new URL and input source scheme.
- *
- * Revision 1.2 1999/11/20 01:09:55 rahulj
- * Fixed usage message.
- *
- * Revision 1.1.1.1 1999/11/09 01:09:49 twl
- * Initial checkin
- *
- * Revision 1.7 1999/11/08 20:43:36 rahul
- * Swat for adding in Product name and CVS comment log variable.
- *
- */
- /**
- * This sample program illustrates how one can use a memory buffer as the
- * input to parser. The memory buffer contains raw bytes representing XML
- * statements.
- *
- * Look at the API documentation for 'MemBufInputSource' for more information
- * on parameters to the constructor.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <parsers/SAXParser.hpp>
- #include <framework/MemBufInputSource.hpp>
- #include "MemParse.hpp"
- // ---------------------------------------------------------------------------
- // Local const data
- //
- // gXMLInMemBuf
- // Defines the memory buffer contents here which parsed by the XML
- // parser. This is the cheap way to do it, instead of reading it from
- // somewhere. For this demo, its fine.
- //
- // NOTE: If your encoding is not ascii you will need to change
- // the MEMPARSE_ENCODING #define
- //
- // gMemBufId
- // A simple name to give as the system id for the memory buffer. This
- // just for indentification purposes in case of errors. Its not a real
- // system id (and the parser knows that.)
- // ---------------------------------------------------------------------------
- #ifndef MEMPARSE_ENCODING
- #if defined(OS390)
- #define MEMPARSE_ENCODING "ibm-1047-s390"
- #else
- #define MEMPARSE_ENCODING "ascii"
- #endif
- #endif /* ifndef MEMPARSE_ENCODING */
- static const char* gXMLInMemBuf =
- "
- <?xml version='1.0' encoding='" MEMPARSE_ENCODING "'?>n
- <!DOCTYPE company [n
- <!ELEMENT company (product,category,developedAt)>n
- <!ELEMENT product (#PCDATA)>n
- <!ELEMENT category (#PCDATA)>n
- <!ATTLIST category idea CDATA #IMPLIED>n
- <!ELEMENT developedAt (#PCDATA)>n
- ]>nn
- <company>n
- <product>XML4C</product>n
- <category idea='great'>XML Parsing Tools</category>n
- <developedAt>n
- IBM Center for Java Technology, Silicon Valley, Cupertino, CAn
- </developedAt>n
- </company>
- ";
- static const char* gMemBufId = "prodInfo";
- // ---------------------------------------------------------------------------
- // Local helper methods
- // ---------------------------------------------------------------------------
- void usage()
- {
- cout << "nUsage:n"
- " MemParse [options]nn"
- "This program uses the SAX Parser to parse a memory buffern"
- "containing XML statements, and reports the number ofn"
- "elements and attributes found.nn"
- "Options:n"
- " -v=xxx Validation scheme [always | never | auto*].n"
- " -n Enable namespace processing. Defaults to off.n"
- " -s Enable schema processing. Defaults to off.n"
- " -f Enable full schema constraint checking. Defaults to off.n"
- " -? Show this help.nn"
- " * = Default if not provided explicitly.n"
- << endl;
- }
- // ---------------------------------------------------------------------------
- // Program entry point
- // ---------------------------------------------------------------------------
- int main(int argC, char* argV[])
- {
- // Initialize the XML4C2 system
- try
- {
- XMLPlatformUtils::Initialize();
- }
- catch (const XMLException& toCatch)
- {
- cerr << "Error during initialization! Message:n"
- << StrX(toCatch.getMessage()) << endl;
- return 1;
- }
- SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
- bool doNamespaces = false;
- bool doSchema = false;
- bool schemaFullChecking = false;
- int argInd;
- for (argInd = 1; argInd < argC; argInd++)
- {
- // Break out on first parm not starting with a dash
- if (argV[argInd][0] != '-')
- {
- usage();
- XMLPlatformUtils::Terminate();
- return 1;
- }
- // Watch for special case help request
- if (!strcmp(argV[argInd], "-?"))
- {
- usage();
- XMLPlatformUtils::Terminate();
- return 1;
- }
- else if (!strncmp(argV[argInd], "-v=", 3)
- || !strncmp(argV[argInd], "-V=", 3))
- {
- const char* const parm = &argV[argInd][3];
- if (!strcmp(parm, "never"))
- valScheme = SAXParser::Val_Never;
- else if (!strcmp(parm, "auto"))
- valScheme = SAXParser::Val_Auto;
- else if (!strcmp(parm, "always"))
- valScheme = SAXParser::Val_Always;
- else
- {
- cerr << "Unknown -v= value: " << parm << endl;
- return 2;
- }
- }
- else if (!strcmp(argV[argInd], "-n")
- || !strcmp(argV[argInd], "-N"))
- {
- doNamespaces = true;
- }
- else if (!strcmp(argV[argInd], "-s")
- || !strcmp(argV[argInd], "-S"))
- {
- doSchema = true;
- }
- else if (!strcmp(argV[argInd], "-f")
- || !strcmp(argV[argInd], "-F"))
- {
- schemaFullChecking = true;
- }
- else
- {
- cerr << "Unknown option '" << argV[argInd]
- << "', ignoring itn" << endl;
- }
- }
- //
- // Create a SAX parser object. Then, according to what we were told on
- // the command line, set it to validate or not.
- //
- SAXParser* parser = new SAXParser;
- parser->setValidationScheme(valScheme);
- parser->setDoNamespaces(doNamespaces);
- parser->setDoSchema(doSchema);
- parser->setValidationSchemaFullChecking(schemaFullChecking);
- //
- // Create our SAX handler object and install it on the parser, as the
- // document and error handlers.
- //
- MemParseHandlers handler;
- parser->setDocumentHandler(&handler);
- parser->setErrorHandler(&handler);
- //
- // Create MemBufferInputSource from the buffer containing the XML
- // statements.
- //
- // NOTE: We are using strlen() here, since we know that the chars in
- // our hard coded buffer are single byte chars!!! The parameter wants
- // the number of BYTES, not chars, so when you create a memory buffer
- // give it the byte size (which just happens to be the same here.)
- //
- MemBufInputSource* memBufIS = new MemBufInputSource
- (
- (const XMLByte*)gXMLInMemBuf
- , strlen(gXMLInMemBuf)
- , gMemBufId
- , false
- );
- //
- // Get the starting time and kick off the parse of the indicated
- // file. Catch any exceptions that might propogate out of it.
- //
- unsigned long duration;
- int errorCount = 0;
- try
- {
- const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
- parser->parse(*memBufIS);
- const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
- duration = endMillis - startMillis;
- errorCount = parser->getErrorCount();
- }
- catch (const XMLException& e)
- {
- cerr << "nError during parsing memory stream:n"
- << "Exception message is: n"
- << StrX(e.getMessage()) << "n" << endl;
- return 4;
- }
- // Print out the stats that we collected and time taken.
- if (!errorCount) {
- cout << "nFinished parsing the memory buffer containing the following "
- << "XML statements:nn"
- << gXMLInMemBuf
- << "nnn"
- << "Parsing took " << duration << " ms ("
- << handler.getElementCount() << " elements, "
- << handler.getAttrCount() << " attributes, "
- << handler.getSpaceCount() << " spaces, "
- << handler.getCharacterCount() << " characters).n" << endl;
- }
- //
- // Delete the parser itself. Must be done prior to calling Terminate, below.
- //
- delete parser;
- delete memBufIS;
- // And call the termination method
- XMLPlatformUtils::Terminate();
- if (errorCount > 0)
- return 4;
- else
- return 0;
- }