API Docs for SAX and DOM   XMLString.hpp Go to the documentation of this file. /* * Copyright 1999-2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * $Log$ * Revision 1.34 2005/04/05 17:00:45 cargilld * Implement version of lowercase that only check a to z, instead of all characters, and don't rely on functionality provided in the transcoders. * * Revision 1.33 2005/03/20 19:02:45 cargilld * Implement versions of uppercase and compareIstring that only check a to z, instead of all characters, and don't rely on functionality provided in the transcoders. * * Revision 1.32 2005/03/08 09:04:09 amassari * Improve performances of XMLString::tokenizeString (jira# 1363) - patch by Christian Will * * Revision 1.31 2004/12/21 16:02:51 cargilld * Attempt to fix various apidoc problems. * * Revision 1.30 2004/12/14 02:09:20 cargilld * Performance update from Christian Will. * * Revision 1.29 2004/12/06 10:47:01 amassari * Added XMLString::release(void**, MemoryManager*) [jira# 1301] * * Revision 1.28 2004/09/08 13:56:24 peiyongz * Apache License Version 2.0 * * Revision 1.27 2004/09/02 19:08:09 cargilld * Fix API Doc warning message * * Revision 1.26 2004/08/11 16:07:27 peiyongz * isValidNOTATION * * Revision 1.25 2004/05/25 18:11:32 peiyongz * removeChar() added * * Revision 1.24 2004/03/10 17:35:17 amassari * Fix documentation for binToText (bug# 9207) * * Revision 1.23 2003/12/24 15:24:13 cargilld * More updates to memory management so that the static memory manager. * * Revision 1.22 2003/12/17 20:00:49 cargilld * Update for memory management so that the static memory manager (one * used to call Initialize) is only for static data. * * Revision 1.21 2003/12/17 00:18:35 cargilld * Update to memory management so that the static memory manager (one used to call Initialize) is only for static data. * * Revision 1.20 2003/10/02 11:07:26 gareth * Made the non-memory manager version of replicate not inlined. Updated the documentation for the memory manager versions so they don't tell you you should call release. * * Revision 1.19 2003/10/01 00:22:20 knoaman * Add a lastIndexOf method that takes the string length as one of the params. * * Revision 1.18 2003/08/25 20:39:47 neilg * fix XMLString::findAny(...) docs so that they match what the method actually does (and has done since time immemorial) * * Revision 1.17 2003/05/18 14:02:05 knoaman * Memory manager implementation: pass per instance manager. * * Revision 1.16 2003/05/15 19:07:46 knoaman * Partial implementation of the configurable memory manager. * * Revision 1.15 2003/04/21 20:07:05 knoaman * Performance: use memcpy in moveChars and replicate. * * Revision 1.14 2003/02/25 16:42:31 tng * [Bug 7072] Documentation for XMLString::transcode states invalid return value. * * Revision 1.13 2003/02/05 18:50:56 tng * [Bug 11915] Utility for freeing memory. * * Revision 1.12 2003/01/24 23:16:33 peiyongz * removeWS() added; * * Revision 1.11 2002/12/20 22:10:21 tng * XML 1.1 * * Revision 1.10 2002/12/18 14:17:54 gareth * Fix to bug #13438. When you eant a vector that calls delete[] on its members you should use RefArrayVectorOf. * * Revision 1.9 2002/12/04 02:32:43 knoaman * #include cleanup. * * Revision 1.8 2002/11/05 17:42:39 peiyongz * equals( const char* const, const char* const) * * Revision 1.7 2002/11/04 15:22:05 tng * C++ Namespace Support. * * Revision 1.6 2002/10/01 19:45:22 tng * Performance in XMLString::equals, only need to check one string for null as they are equal already. * * Revision 1.5 2002/09/24 19:41:21 tng * New inline function equals that is modified from compareString but simply return true or false. * * Revision 1.4 2002/09/23 18:42:18 tng * DOM L3: Support baseURI. Add utility fixURI to transform an absolute path filename to standard URI form. * * Revision 1.3 2002/08/27 19:24:43 peiyongz * Bug#12087: patch from Thomas Ford (tom@decisionsoft.com) * * Revision 1.2 2002/02/20 18:17:02 tng * [Bug 5977] Warnings on generating apiDocs. * * Revision 1.1.1.1 2002/02/01 22:22:16 peiyongz * sane_include * * Revision 1.26 2001/08/10 16:23:06 peiyongz * isHex(), isAlphaNum(), isAllWhiteSpace() and patternMatch() Added * * Revision 1.25 2001/07/06 20:27:57 peiyongz * isValidaQName() * * Revision 1.24 2001/07/04 14:38:20 peiyongz * IDDatatypeValidator: created * DatatypeValidatorFactory: IDDTV enabled * XMLString:isValidName(): to validate Name (XML [4][5]) * * Revision 1.23 2001/06/13 14:07:55 peiyongz * isValidaEncName() to validate an encoding name (EncName) * * Revision 1.22 2001/05/23 15:44:51 tng * Schema: NormalizedString fix. By Pei Yong Zhang. * * Revision 1.21 2001/05/11 13:26:31 tng * Copyright update. * * Revision 1.20 2001/05/09 18:43:30 tng * Add StringDatatypeValidator and BooleanDatatypeValidator. By Pei Yong Zhang. * * Revision 1.19 2001/05/03 20:34:35 tng * Schema: SchemaValidator update * * Revision 1.18 2001/05/03 19:17:35 knoaman * TraverseSchema Part II. * * Revision 1.17 2001/03/21 21:56:13 tng * Schema: Add Schema Grammar, Schema Validator, and split the DTDValidator into DTDValidator, DTDScanner, and DTDGrammar. * * Revision 1.16 2001/03/02 20:52:46 knoaman * Schema: Regular expression - misc. updates for error messages, * and additions of new functions to XMLString class. * * Revision 1.15 2001/01/15 21:26:34 tng * Performance Patches by David Bertoni. * * Details: (see xerces-c-dev mailing Jan 14) * XMLRecognizer.cpp: the internal encoding string XMLUni::fgXMLChEncodingString * was going through this function numerous times. As a result, the top hot-spot * for the parse was _wcsicmp(). The real problem is that the Microsofts wide string * functions are unbelievably slow. For things like encodings, it might be * better to use a special comparison function that only considers a-z and * A-Z as characters with case. This works since the character set for * encodings is limit to printable ASCII characters. * * XMLScanner2.cpp: This also has some case-sensitive vs. insensitive compares. * They are also much faster. The other tweak is to only make a copy of an attribute * string if it needs to be split. And then, the strategy is to try to use a * stack-based buffer, rather than a dynamically-allocated one. * * SAX2XMLReaderImpl.cpp: Again, more case-sensitive vs. insensitive comparisons. * * KVStringPair.cpp & hpp: By storing the size of the allocation, the storage can * likely be re-used many times, cutting down on dynamic memory allocations. * * XMLString.hpp: a more efficient implementation of stringLen(). * * DTDValidator.cpp: another case of using a stack-based buffer when possible * * These patches made a big difference in parse time in some of our test * files, especially the ones are very attribute-heavy. * * Revision 1.14 2000/10/13 22:47:57 andyh * Fix bug (failure to null-terminate result) in XMLString::trim(). * Patch contributed by Nadav Aharoni * * Revision 1.13 2000/04/12 18:42:15 roddey * Improved docs in terms of what 'max chars' means in the method * parameters. * * Revision 1.12 2000/04/06 19:42:51 rahulj * Clarified how big the target buffer should be in the API * documentation. * * Revision 1.11 2000/03/23 01:02:38 roddey * Updates to the XMLURL class to correct a lot of parsing problems * and to add support for the port number. Updated the URL tests * to test some of this new stuff. * * Revision 1.10 2000/03/20 23:00:46 rahulj * Moved the inline definition of stringLen before the first * use. This satisfied the HP CC compiler. * * Revision 1.9 2000/03/02 19:54:49 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 1.8 2000/02/24 20:05:26 abagchi * Swat for removing Log from API docs * * Revision 1.7 2000/02/16 18:51:52 roddey * Fixed some facts in the docs and reformatted the docs to stay within * a reasonable line width. * * Revision 1.6 2000/02/16 17:07:07 abagchi * Added API docs * * Revision 1.5 2000/02/06 07:48:06 rahulj * Year 2K copyright swat. * * Revision 1.4 2000/01/12 00:16:23 roddey * Changes to deal with multiply nested, relative pathed, entities and to deal * with the new URL class changes. * * Revision 1.3 1999/12/18 00:18:10 roddey * More changes to support the new, completely orthagonal support for * intrinsic encodings. * * Revision 1.2 1999/12/15 19:41:28 roddey * Support for the new transcoder system, where even intrinsic encodings are * done via the same transcoder abstraction as external ones. * * Revision 1.1.1.1 1999/11/09 01:05:52 twl * Initial checkin * * Revision 1.2 1999/11/08 20:45:21 rahul * Swat for adding in Product name and CVS comment log variable. * */ #if !defined(XMLSTRING_HPP) #define XMLSTRING_HPP #include <xercesc/util/BaseRefVectorOf.hpp> #include <xercesc/framework/XMLBuffer.hpp> #include <xercesc/framework/MemoryManager.hpp> #include <string.h> #include <assert.h> XERCES_CPP_NAMESPACE_BEGIN class XMLLCPTranscoder; class XMLString { public: /* Static methods for native character mode string manipulation */ static void catString ( char* const target , const char* const src ); static void catString ( XMLCh* const target , const XMLCh* const src ); static int compareIString ( const char* const str1 , const char* const str2 ); static int compareIString ( const XMLCh* const str1 , const XMLCh* const str2 ); static int compareIStringASCII ( const XMLCh* const str1 , const XMLCh* const str2 ); static int compareNString ( const char* const str1 , const char* const str2 , const unsigned int count ); static int compareNString ( const XMLCh* const str1 , const XMLCh* const str2 , const unsigned int count ); static int compareNIString ( const char* const str1 , const char* const str2 , const unsigned int count ); static int compareNIString ( const XMLCh* const str1 , const XMLCh* const str2 , const unsigned int count ); static int compareString ( const char* const str1 , const char* const str2 ); static int compareString ( const XMLCh* const str1 , const XMLCh* const str2 ); static bool equals ( const XMLCh* const str1 , const XMLCh* const str2 ); static bool equals ( const char* const str1 , const char* const str2 ); static bool regionMatches ( const XMLCh* const str1 , const int offset1 , const XMLCh* const str2 , const int offset2 , const unsigned int charCount ); static bool regionIMatches ( const XMLCh* const str1 , const int offset1 , const XMLCh* const str2 , const int offset2 , const unsigned int charCount ); static void copyString ( char* const target , const char* const src ); static void copyString ( XMLCh* const target , const XMLCh* const src ); static bool copyNString ( XMLCh* const target , const XMLCh* const src , const unsigned int maxChars ); static unsigned int hash ( const char* const toHash , const unsigned int hashModulus , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static unsigned int hash ( const XMLCh* const toHash , const unsigned int hashModulus , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static unsigned int hashN ( const XMLCh* const toHash , const unsigned int numChars , const unsigned int hashModulus , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static int indexOf(const char* const toSearch, const char ch); static int indexOf(const XMLCh* const toSearch, const XMLCh ch); static int indexOf ( const char* const toSearch , const char chToFind , const unsigned int fromIndex , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static int indexOf ( const XMLCh* const toSearch , const XMLCh chToFind , const unsigned int fromIndex , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static int lastIndexOf(const char* const toSearch, const char ch); static int lastIndexOf(const XMLCh* const toSearch, const XMLCh ch); static int lastIndexOf ( const XMLCh ch , const XMLCh* const toSearch , const unsigned int toSearchLen ); static int lastIndexOf ( const char* const toSearch , const char chToFind , const unsigned int fromIndex , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static int lastIndexOf ( const XMLCh* const toSearch , const XMLCh ch , const unsigned int fromIndex , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void moveChars ( XMLCh* const targetStr , const XMLCh* const srcStr , const unsigned int count ); static void subString ( char* const targetStr , const char* const srcStr , const int startIndex , const int endIndex , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void subString ( XMLCh* const targetStr , const XMLCh* const srcStr , const int startIndex , const int endIndex , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void subString ( XMLCh* const targetStr , const XMLCh* const srcStr , const int startIndex , const int endIndex , const int srcStrLength , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static char* replicate(const char* const toRep); static char* replicate(const char* const toRep, MemoryManager* const manager); static XMLCh* replicate(const XMLCh* const toRep); static XMLCh* replicate(const XMLCh* const toRep, MemoryManager* const manager); static bool startsWith ( const char* const toTest , const char* const prefix ); static bool startsWith ( const XMLCh* const toTest , const XMLCh* const prefix ); static bool startsWithI ( const char* const toTest , const char* const prefix ); static bool startsWithI ( const XMLCh* const toTest , const XMLCh* const prefix ); static bool endsWith ( const XMLCh* const toTest , const XMLCh* const suffix ); static const XMLCh* findAny ( const XMLCh* const toSearch , const XMLCh* const searchList ); static XMLCh* findAny ( XMLCh* const toSearch , const XMLCh* const searchList ); static int patternMatch ( const XMLCh* const toSearch , const XMLCh* const pattern ); static unsigned int stringLen(const char* const src); static unsigned int stringLen(const XMLCh* const src); static bool isValidNOTATION(const XMLCh* const name , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); static bool isValidNCName(const XMLCh* const name); static bool isValidName(const XMLCh* const name); static bool isValidEncName(const XMLCh* const name); static bool isValidQName(const XMLCh* const name); static bool isAlpha(XMLCh const theChar); static bool isDigit(XMLCh const theChar); static bool isAlphaNum(XMLCh const theChar); static bool isHex(XMLCh const theChar); static bool isAllWhiteSpace(const XMLCh* const toCheck); static bool isInList(const XMLCh* const toFind, const XMLCh* const enumList); static void binToText ( const unsigned int toFormat , char* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const unsigned int toFormat , XMLCh* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const unsigned long toFormat , char* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const unsigned long toFormat , XMLCh* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const long toFormat , char* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const long toFormat , XMLCh* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const int toFormat , char* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void binToText ( const int toFormat , XMLCh* const toFill , const unsigned int maxChars , const unsigned int radix , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static bool textToBin ( const XMLCh* const toConvert , unsigned int& toFill , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static int parseInt ( const XMLCh* const toConvert , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void cut ( XMLCh* const toCutFrom , const unsigned int count ); static char* transcode ( const XMLCh* const toTranscode ); static char* transcode ( const XMLCh* const toTranscode , MemoryManager* const manager ); static bool transcode ( const XMLCh* const toTranscode , char* const toFill , const unsigned int maxChars , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static XMLCh* transcode ( const char* const toTranscode ); static XMLCh* transcode ( const char* const toTranscode , MemoryManager* const manager ); static bool transcode ( const char* const toTranscode , XMLCh* const toFill , const unsigned int maxChars , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void trim(char* const toTrim); static void trim(XMLCh* const toTrim); static BaseRefVectorOf<XMLCh>* tokenizeString(const XMLCh* const tokenizeSrc , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); static XMLCh* makeUName ( const XMLCh* const pszURI , const XMLCh* const pszName ); static unsigned int replaceTokens ( XMLCh* const errText , const unsigned int maxChars , const XMLCh* const text1 , const XMLCh* const text2 , const XMLCh* const text3 , const XMLCh* const text4 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); static void upperCase(XMLCh* const toUpperCase); static void upperCaseASCII(XMLCh* const toUpperCase); static void lowerCase(XMLCh* const toLowerCase); static void lowerCaseASCII(XMLCh* const toLowerCase); static bool isWSReplaced(const XMLCh* const toCheck); static bool isWSCollapsed(const XMLCh* const toCheck); static void replaceWS(XMLCh* const toConvert , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); static void collapseWS(XMLCh* const toConvert , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); static void removeWS(XMLCh* const toConvert , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); static void removeChar(const XMLCh* const srcString , const XMLCh& toRemove , XMLBuffer& dstBuffer); static void fixURI(const XMLCh* const str, XMLCh* const target); static void release(char** buf); static void release(XMLCh** buf); static void release(XMLByte** buf); static void release ( void** buf , MemoryManager* const manager ); private : XMLString(); ~XMLString(); static void initString(XMLLCPTranscoder* const defToUse, MemoryManager* const manager); static void termString(); static bool validateRegion(const XMLCh* const str1, const int offset1, const XMLCh* const str2, const int offset2, const unsigned int charCount); static MemoryManager* fgMemoryManager; friend class XMLPlatformUtils; }; // --------------------------------------------------------------------------- // Inline some methods that are either just passthroughs to other string // methods, or which are key for performance. // --------------------------------------------------------------------------- inline void XMLString::moveChars( XMLCh* const targetStr , const XMLCh* const srcStr , const unsigned int count) { memcpy(targetStr, srcStr, count * sizeof(XMLCh)); } inline unsigned int XMLString::stringLen(const XMLCh* const src) { if (src == 0 || *src == 0) { return 0; } else { const XMLCh* pszTmp = src + 1; while (*pszTmp) ++pszTmp; return (unsigned int)(pszTmp - src); } } inline XMLCh* XMLString::replicate(const XMLCh* const toRep, MemoryManager* const manager) { // If a null string, return a null string! XMLCh* ret = 0; if (toRep) { const unsigned int len = stringLen(toRep); ret = (XMLCh*) manager->allocate((len+1) * sizeof(XMLCh)); //new XMLCh[len + 1]; memcpy(ret, toRep, (len + 1) * sizeof(XMLCh)); } return ret; } inline bool XMLString::startsWith( const XMLCh* const toTest , const XMLCh* const prefix) { return (compareNString(toTest, prefix, stringLen(prefix)) == 0); } inline bool XMLString::startsWithI( const XMLCh* const toTest , const XMLCh* const prefix) { return (compareNIString(toTest, prefix, stringLen(prefix)) == 0); } inline bool XMLString::endsWith(const XMLCh* const toTest, const XMLCh* const suffix) { unsigned int suffixLen = XMLString::stringLen(suffix); return regionMatches(toTest, XMLString::stringLen(toTest) - suffixLen, suffix, 0, suffixLen); } inline bool XMLString::validateRegion(const XMLCh* const str1, const int offset1, const XMLCh* const str2, const int offset2, const unsigned int charCount) { if (offset1 < 0 || offset2 < 0 || (offset1 + charCount) > XMLString::stringLen(str1) || (offset2 + charCount) > XMLString::stringLen(str2) ) return false; return true; } inline bool XMLString::equals( const XMLCh* const str1 , const XMLCh* const str2) { const XMLCh* psz1 = str1; const XMLCh* psz2 = str2; if (psz1 == 0 || psz2 == 0) { if ((psz1 != 0 && *psz1) || (psz2 != 0 && *psz2)) return false; else return true; } while (*psz1 == *psz2) { // If either has ended, then they both ended, so equal if (!*psz1) return true; // Move upwards for the next round psz1++; psz2++; } return false; } inline bool XMLString::equals( const char* const str1 , const char* const str2) { const char* psz1 = str1; const char* psz2 = str2; if (psz1 == 0 || psz2 == 0) { if ((psz1 != 0 && *psz1) || (psz2 != 0 && *psz2)) return false; else return true; } while (*psz1 == *psz2) { // If either has ended, then they both ended, so equal if (!*psz1) return true; // Move upwards for the next round psz1++; psz2++; } return false; } inline int XMLString::lastIndexOf(const XMLCh* const toSearch, const XMLCh ch) { return XMLString::lastIndexOf(ch, toSearch, stringLen(toSearch)); } inline unsigned int XMLString::hash( const XMLCh* const tohash , const unsigned int hashModulus , MemoryManager* const) { assert(hashModulus); if (tohash == 0 || *tohash == 0) return 0; const XMLCh* curCh = tohash; unsigned int hashVal = (unsigned int)(*curCh); curCh++; while (*curCh) { hashVal = (hashVal * 38) + (hashVal >> 24) + (unsigned int)(*curCh); curCh++; } // Divide by modulus return hashVal % hashModulus; } XERCES_CPP_NAMESPACE_END #endif

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