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-rw-r--r--protocols/jabber/xmlparse.c2629
1 files changed, 2629 insertions, 0 deletions
diff --git a/protocols/jabber/xmlparse.c b/protocols/jabber/xmlparse.c
new file mode 100644
index 00000000..492da948
--- /dev/null
+++ b/protocols/jabber/xmlparse.c
@@ -0,0 +1,2629 @@
+/*
+The contents of this file are subject to the Mozilla Public License
+Version 1.1 (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.mozilla.org/MPL/
+
+Software distributed under the License is distributed on an "AS IS"
+basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+License for the specific language governing rights and limitations
+under the License.
+
+The Original Code is expat.
+
+The Initial Developer of the Original Code is James Clark.
+Portions created by James Clark are Copyright (C) 1998, 1999
+James Clark. All Rights Reserved.
+
+Contributor(s):
+
+*/
+
+#include "xmldef.h"
+#include "xmlparse.h"
+
+#ifdef XML_UNICODE
+#define XML_ENCODE_MAX XML_UTF16_ENCODE_MAX
+#define XmlConvert XmlUtf16Convert
+#define XmlGetInternalEncoding XmlGetUtf16InternalEncoding
+#define XmlGetInternalEncodingNS XmlGetUtf16InternalEncodingNS
+#define XmlEncode XmlUtf16Encode
+#define MUST_CONVERT(enc, s) (!(enc)->isUtf16 || (((unsigned long)s) & 1))
+typedef unsigned short ICHAR;
+#else
+#define XML_ENCODE_MAX XML_UTF8_ENCODE_MAX
+#define XmlConvert XmlUtf8Convert
+#define XmlGetInternalEncoding XmlGetUtf8InternalEncoding
+#define XmlGetInternalEncodingNS XmlGetUtf8InternalEncodingNS
+#define XmlEncode XmlUtf8Encode
+#define MUST_CONVERT(enc, s) (!(enc)->isUtf8)
+typedef char ICHAR;
+#endif
+
+
+#ifndef XML_NS
+
+#define XmlInitEncodingNS XmlInitEncoding
+#define XmlInitUnknownEncodingNS XmlInitUnknownEncoding
+#undef XmlGetInternalEncodingNS
+#define XmlGetInternalEncodingNS XmlGetInternalEncoding
+#define XmlParseXmlDeclNS XmlParseXmlDecl
+
+#endif
+
+
+#ifdef XML_UNICODE_WCHAR_T
+#define XML_T(x) L ## x
+#else
+#define XML_T(x) x
+#endif
+
+/* Round up n to be a multiple of sz, where sz is a power of 2. */
+#define ROUND_UP(n, sz) (((n) + ((sz) - 1)) & ~((sz) - 1))
+
+#include "xmltok.h"
+#include "xmlrole.h"
+#include "hashtable.h"
+
+#define INIT_TAG_BUF_SIZE 32 /* must be a multiple of sizeof(XML_Char) */
+#define INIT_DATA_BUF_SIZE 1024
+#define INIT_ATTS_SIZE 16
+#define INIT_BLOCK_SIZE 1024
+#define INIT_BUFFER_SIZE 1024
+
+#define EXPAND_SPARE 24
+
+typedef struct binding {
+ struct prefix *prefix;
+ struct binding *nextTagBinding;
+ struct binding *prevPrefixBinding;
+ const struct attribute_id *attId;
+ XML_Char *uri;
+ int uriLen;
+ int uriAlloc;
+} BINDING;
+
+typedef struct prefix {
+ const XML_Char *name;
+ BINDING *binding;
+} PREFIX;
+
+typedef struct {
+ const XML_Char *str;
+ const XML_Char *localPart;
+ int uriLen;
+} TAG_NAME;
+
+typedef struct tag {
+ struct tag *parent;
+ const char *rawName;
+ int rawNameLength;
+ TAG_NAME name;
+ char *buf;
+ char *bufEnd;
+ BINDING *bindings;
+} TAG;
+
+typedef struct {
+ const XML_Char *name;
+ const XML_Char *textPtr;
+ int textLen;
+ const XML_Char *systemId;
+ const XML_Char *base;
+ const XML_Char *publicId;
+ const XML_Char *notation;
+ char open;
+} ENTITY;
+
+typedef struct block {
+ struct block *next;
+ int size;
+ XML_Char s[1];
+} BLOCK;
+
+typedef struct {
+ BLOCK *blocks;
+ BLOCK *freeBlocks;
+ const XML_Char *end;
+ XML_Char *ptr;
+ XML_Char *start;
+} STRING_POOL;
+
+/* The XML_Char before the name is used to determine whether
+an attribute has been specified. */
+typedef struct attribute_id {
+ XML_Char *name;
+ PREFIX *prefix;
+ char maybeTokenized;
+ char xmlns;
+} ATTRIBUTE_ID;
+
+typedef struct {
+ const ATTRIBUTE_ID *id;
+ char isCdata;
+ const XML_Char *value;
+} DEFAULT_ATTRIBUTE;
+
+typedef struct {
+ const XML_Char *name;
+ PREFIX *prefix;
+ int nDefaultAtts;
+ int allocDefaultAtts;
+ DEFAULT_ATTRIBUTE *defaultAtts;
+} ELEMENT_TYPE;
+
+typedef struct {
+ HASH_TABLE generalEntities;
+ HASH_TABLE elementTypes;
+ HASH_TABLE attributeIds;
+ HASH_TABLE prefixes;
+ STRING_POOL pool;
+ int complete;
+ int standalone;
+ const XML_Char *base;
+ PREFIX defaultPrefix;
+} DTD;
+
+typedef struct open_internal_entity {
+ const char *internalEventPtr;
+ const char *internalEventEndPtr;
+ struct open_internal_entity *next;
+ ENTITY *entity;
+} OPEN_INTERNAL_ENTITY;
+
+typedef enum XML_Error Processor(XML_Parser parser,
+ const char *start,
+ const char *end,
+ const char **endPtr);
+
+static Processor prologProcessor;
+static Processor prologInitProcessor;
+static Processor contentProcessor;
+static Processor cdataSectionProcessor;
+static Processor epilogProcessor;
+
+static enum XML_Error
+handleUnknownEncoding(XML_Parser parser, const XML_Char *encodingName);
+static enum XML_Error
+processXmlDecl(XML_Parser parser, int isGeneralTextEntity, const char *, const char *);
+static enum XML_Error
+initializeEncoding(XML_Parser parser);
+static enum XML_Error
+doContent(XML_Parser parser, int startTagLevel, const ENCODING *enc,
+ const char *start, const char *end, const char **endPtr);
+static enum XML_Error
+doCdataSection(XML_Parser parser, const ENCODING *, const char **startPtr, const char *end, const char **nextPtr);
+static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *, const char *s,
+ TAG_NAME *tagNamePtr, BINDING **bindingsPtr);
+static
+int addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId, const XML_Char *uri, BINDING **bindingsPtr);
+static int
+defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *, int isCdata, const XML_Char *dfltValue);
+static enum XML_Error
+storeAttributeValue(XML_Parser parser, const ENCODING *, int isCdata, const char *, const char *,
+ STRING_POOL *);
+static enum XML_Error
+appendAttributeValue(XML_Parser parser, const ENCODING *, int isCdata, const char *, const char *,
+ STRING_POOL *);
+static ATTRIBUTE_ID *
+getAttributeId(XML_Parser parser, const ENCODING *enc, const char *start, const char *end);
+static int setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *);
+static enum XML_Error
+storeEntityValue(XML_Parser parser, const char *start, const char *end);
+static int
+reportProcessingInstruction(XML_Parser parser, const ENCODING *enc, const char *start, const char *end);
+static int
+reportComment(XML_Parser parser, const ENCODING *enc, const char *start, const char *end);
+static void
+reportDefault(XML_Parser parser, const ENCODING *enc, const char *start, const char *end);
+
+static const XML_Char *getContext(XML_Parser parser);
+static void normalizePublicId(XML_Char *s);
+static int dtdInit(DTD *);
+static void dtdDestroy(DTD *);
+static void poolInit(STRING_POOL *);
+static void poolClear(STRING_POOL *);
+static void poolDestroy(STRING_POOL *);
+static XML_Char *poolAppend(STRING_POOL *pool, const ENCODING *enc,
+ const char *ptr, const char *end);
+static XML_Char *poolStoreString(STRING_POOL *pool, const ENCODING *enc,
+ const char *ptr, const char *end);
+static int poolGrow(STRING_POOL *pool);
+static const XML_Char *poolCopyString(STRING_POOL *pool, const XML_Char *s);
+static void *XML_GetBuffer(XML_Parser parser, int len);
+static int XML_ParseBuffer(XML_Parser parser, int len, int isFinal);
+
+#define poolStart(pool) ((pool)->start)
+#define poolEnd(pool) ((pool)->ptr)
+#define poolLength(pool) ((pool)->ptr - (pool)->start)
+#define poolChop(pool) ((void)--(pool->ptr))
+#define poolLastChar(pool) (((pool)->ptr)[-1])
+#define poolDiscard(pool) ((pool)->ptr = (pool)->start)
+#define poolFinish(pool) ((pool)->start = (pool)->ptr)
+#define poolAppendChar(pool, c) \
+ (((pool)->ptr == (pool)->end && !poolGrow(pool)) \
+ ? 0 \
+ : ((*((pool)->ptr)++ = c), 1))
+
+typedef struct {
+ /* The first member must be userData so that the XML_GetUserData macro works. */
+ void *m_userData;
+ void *m_handlerArg;
+ char *m_buffer;
+ /* first character to be parsed */
+ const char *m_bufferPtr;
+ /* past last character to be parsed */
+ char *m_bufferEnd;
+ /* allocated end of buffer */
+ const char *m_bufferLim;
+ long m_parseEndByteIndex;
+ const char *m_parseEndPtr;
+ XML_Char *m_dataBuf;
+ XML_Char *m_dataBufEnd;
+ XML_StartElementHandler m_startElementHandler;
+ XML_EndElementHandler m_endElementHandler;
+ XML_CharacterDataHandler m_characterDataHandler;
+ XML_ProcessingInstructionHandler m_processingInstructionHandler;
+ XML_CommentHandler m_commentHandler;
+ XML_StartCdataSectionHandler m_startCdataSectionHandler;
+ XML_EndCdataSectionHandler m_endCdataSectionHandler;
+ XML_DefaultHandler m_defaultHandler;
+ XML_UnparsedEntityDeclHandler m_unparsedEntityDeclHandler;
+ XML_NotationDeclHandler m_notationDeclHandler;
+ XML_StartNamespaceDeclHandler m_startNamespaceDeclHandler;
+ XML_EndNamespaceDeclHandler m_endNamespaceDeclHandler;
+ XML_NotStandaloneHandler m_notStandaloneHandler;
+ XML_ExternalEntityRefHandler m_externalEntityRefHandler;
+ void *m_externalEntityRefHandlerArg;
+ XML_UnknownEncodingHandler m_unknownEncodingHandler;
+ const ENCODING *m_encoding;
+ INIT_ENCODING m_initEncoding;
+ const XML_Char *m_protocolEncodingName;
+ int m_ns;
+ void *m_unknownEncodingMem;
+ void *m_unknownEncodingData;
+ void *m_unknownEncodingHandlerData;
+ void (*m_unknownEncodingRelease)(void *);
+ PROLOG_STATE m_prologState;
+ Processor *m_processor;
+ enum XML_Error m_errorCode;
+ const char *m_eventPtr;
+ const char *m_eventEndPtr;
+ const char *m_positionPtr;
+ OPEN_INTERNAL_ENTITY *m_openInternalEntities;
+ int m_defaultExpandInternalEntities;
+ int m_tagLevel;
+ ENTITY *m_declEntity;
+ const XML_Char *m_declNotationName;
+ const XML_Char *m_declNotationPublicId;
+ ELEMENT_TYPE *m_declElementType;
+ ATTRIBUTE_ID *m_declAttributeId;
+ char m_declAttributeIsCdata;
+ DTD m_dtd;
+ TAG *m_tagStack;
+ TAG *m_freeTagList;
+ BINDING *m_inheritedBindings;
+ BINDING *m_freeBindingList;
+ int m_attsSize;
+ int m_nSpecifiedAtts;
+ ATTRIBUTE *m_atts;
+ POSITION m_position;
+ STRING_POOL m_tempPool;
+ STRING_POOL m_temp2Pool;
+ char *m_groupConnector;
+ unsigned m_groupSize;
+ int m_hadExternalDoctype;
+ XML_Char m_namespaceSeparator;
+} Parser;
+
+#define userData (((Parser *)parser)->m_userData)
+#define handlerArg (((Parser *)parser)->m_handlerArg)
+#define startElementHandler (((Parser *)parser)->m_startElementHandler)
+#define endElementHandler (((Parser *)parser)->m_endElementHandler)
+#define characterDataHandler (((Parser *)parser)->m_characterDataHandler)
+#define processingInstructionHandler (((Parser *)parser)->m_processingInstructionHandler)
+#define commentHandler (((Parser *)parser)->m_commentHandler)
+#define startCdataSectionHandler (((Parser *)parser)->m_startCdataSectionHandler)
+#define endCdataSectionHandler (((Parser *)parser)->m_endCdataSectionHandler)
+#define defaultHandler (((Parser *)parser)->m_defaultHandler)
+#define unparsedEntityDeclHandler (((Parser *)parser)->m_unparsedEntityDeclHandler)
+#define notationDeclHandler (((Parser *)parser)->m_notationDeclHandler)
+#define startNamespaceDeclHandler (((Parser *)parser)->m_startNamespaceDeclHandler)
+#define endNamespaceDeclHandler (((Parser *)parser)->m_endNamespaceDeclHandler)
+#define notStandaloneHandler (((Parser *)parser)->m_notStandaloneHandler)
+#define externalEntityRefHandler (((Parser *)parser)->m_externalEntityRefHandler)
+#define externalEntityRefHandlerArg (((Parser *)parser)->m_externalEntityRefHandlerArg)
+#define unknownEncodingHandler (((Parser *)parser)->m_unknownEncodingHandler)
+#define encoding (((Parser *)parser)->m_encoding)
+#define initEncoding (((Parser *)parser)->m_initEncoding)
+#define unknownEncodingMem (((Parser *)parser)->m_unknownEncodingMem)
+#define unknownEncodingData (((Parser *)parser)->m_unknownEncodingData)
+#define unknownEncodingHandlerData \
+ (((Parser *)parser)->m_unknownEncodingHandlerData)
+#define unknownEncodingRelease (((Parser *)parser)->m_unknownEncodingRelease)
+#define protocolEncodingName (((Parser *)parser)->m_protocolEncodingName)
+#define ns (((Parser *)parser)->m_ns)
+#define prologState (((Parser *)parser)->m_prologState)
+#define processor (((Parser *)parser)->m_processor)
+#define errorCode (((Parser *)parser)->m_errorCode)
+#define eventPtr (((Parser *)parser)->m_eventPtr)
+#define eventEndPtr (((Parser *)parser)->m_eventEndPtr)
+#define positionPtr (((Parser *)parser)->m_positionPtr)
+#define position (((Parser *)parser)->m_position)
+#define openInternalEntities (((Parser *)parser)->m_openInternalEntities)
+#define defaultExpandInternalEntities (((Parser *)parser)->m_defaultExpandInternalEntities)
+#define tagLevel (((Parser *)parser)->m_tagLevel)
+#define buffer (((Parser *)parser)->m_buffer)
+#define bufferPtr (((Parser *)parser)->m_bufferPtr)
+#define bufferEnd (((Parser *)parser)->m_bufferEnd)
+#define parseEndByteIndex (((Parser *)parser)->m_parseEndByteIndex)
+#define parseEndPtr (((Parser *)parser)->m_parseEndPtr)
+#define bufferLim (((Parser *)parser)->m_bufferLim)
+#define dataBuf (((Parser *)parser)->m_dataBuf)
+#define dataBufEnd (((Parser *)parser)->m_dataBufEnd)
+#define dtd (((Parser *)parser)->m_dtd)
+#define declEntity (((Parser *)parser)->m_declEntity)
+#define declNotationName (((Parser *)parser)->m_declNotationName)
+#define declNotationPublicId (((Parser *)parser)->m_declNotationPublicId)
+#define declElementType (((Parser *)parser)->m_declElementType)
+#define declAttributeId (((Parser *)parser)->m_declAttributeId)
+#define declAttributeIsCdata (((Parser *)parser)->m_declAttributeIsCdata)
+#define freeTagList (((Parser *)parser)->m_freeTagList)
+#define freeBindingList (((Parser *)parser)->m_freeBindingList)
+#define inheritedBindings (((Parser *)parser)->m_inheritedBindings)
+#define tagStack (((Parser *)parser)->m_tagStack)
+#define atts (((Parser *)parser)->m_atts)
+#define attsSize (((Parser *)parser)->m_attsSize)
+#define nSpecifiedAtts (((Parser *)parser)->m_nSpecifiedAtts)
+#define tempPool (((Parser *)parser)->m_tempPool)
+#define temp2Pool (((Parser *)parser)->m_temp2Pool)
+#define groupConnector (((Parser *)parser)->m_groupConnector)
+#define groupSize (((Parser *)parser)->m_groupSize)
+#define hadExternalDoctype (((Parser *)parser)->m_hadExternalDoctype)
+#define namespaceSeparator (((Parser *)parser)->m_namespaceSeparator)
+
+#ifdef _MSC_VER
+#ifdef _DEBUG
+Parser *asParser(XML_Parser parser)
+{
+ return parser;
+}
+#endif
+#endif
+
+XML_Parser XML_ParserCreate(const XML_Char *encodingName)
+{
+ XML_Parser parser = malloc(sizeof(Parser));
+ if (!parser)
+ return parser;
+ processor = prologInitProcessor;
+ XmlPrologStateInit(&prologState);
+ userData = 0;
+ handlerArg = 0;
+ startElementHandler = 0;
+ endElementHandler = 0;
+ characterDataHandler = 0;
+ processingInstructionHandler = 0;
+ commentHandler = 0;
+ startCdataSectionHandler = 0;
+ endCdataSectionHandler = 0;
+ defaultHandler = 0;
+ unparsedEntityDeclHandler = 0;
+ notationDeclHandler = 0;
+ startNamespaceDeclHandler = 0;
+ endNamespaceDeclHandler = 0;
+ notStandaloneHandler = 0;
+ externalEntityRefHandler = 0;
+ externalEntityRefHandlerArg = parser;
+ unknownEncodingHandler = 0;
+ buffer = 0;
+ bufferPtr = 0;
+ bufferEnd = 0;
+ parseEndByteIndex = 0;
+ parseEndPtr = 0;
+ bufferLim = 0;
+ declElementType = 0;
+ declAttributeId = 0;
+ declEntity = 0;
+ declNotationName = 0;
+ declNotationPublicId = 0;
+ memset(&position, 0, sizeof(POSITION));
+ errorCode = XML_ERROR_NONE;
+ eventPtr = 0;
+ eventEndPtr = 0;
+ positionPtr = 0;
+ openInternalEntities = 0;
+ tagLevel = 0;
+ tagStack = 0;
+ freeTagList = 0;
+ freeBindingList = 0;
+ inheritedBindings = 0;
+ attsSize = INIT_ATTS_SIZE;
+ atts = malloc(attsSize * sizeof(ATTRIBUTE));
+ nSpecifiedAtts = 0;
+ dataBuf = malloc(INIT_DATA_BUF_SIZE * sizeof(XML_Char));
+ groupSize = 0;
+ groupConnector = 0;
+ hadExternalDoctype = 0;
+ unknownEncodingMem = 0;
+ unknownEncodingRelease = 0;
+ unknownEncodingData = 0;
+ unknownEncodingHandlerData = 0;
+ namespaceSeparator = '!';
+ ns = 0;
+ poolInit(&tempPool);
+ poolInit(&temp2Pool);
+ protocolEncodingName = encodingName ? poolCopyString(&tempPool, encodingName) : 0;
+ if (!dtdInit(&dtd) || !atts || !dataBuf
+ || (encodingName && !protocolEncodingName)) {
+ XML_ParserFree(parser);
+ return 0;
+ }
+ dataBufEnd = dataBuf + INIT_DATA_BUF_SIZE;
+ XmlInitEncoding(&initEncoding, &encoding, 0);
+ return parser;
+}
+
+static
+void destroyBindings(BINDING *bindings)
+{
+ for (;;) {
+ BINDING *b = bindings;
+ if (!b)
+ break;
+ bindings = b->nextTagBinding;
+ g_free(b->uri);
+ g_free(b);
+ }
+}
+
+void XML_ParserFree(XML_Parser parser)
+{
+ for (;;) {
+ TAG *p;
+ if (tagStack == 0) {
+ if (freeTagList == 0)
+ break;
+ tagStack = freeTagList;
+ freeTagList = 0;
+ }
+ p = tagStack;
+ tagStack = tagStack->parent;
+ g_free(p->buf);
+ destroyBindings(p->bindings);
+ g_free(p);
+ }
+ destroyBindings(freeBindingList);
+ destroyBindings(inheritedBindings);
+ poolDestroy(&tempPool);
+ poolDestroy(&temp2Pool);
+ dtdDestroy(&dtd);
+ g_free((void *)atts);
+ g_free(groupConnector);
+ g_free(buffer);
+ g_free(dataBuf);
+ g_free(unknownEncodingMem);
+ if (unknownEncodingRelease)
+ unknownEncodingRelease(unknownEncodingData);
+ g_free(parser);
+}
+
+void XML_SetUserData(XML_Parser parser, void *p)
+{
+ if (handlerArg == userData)
+ handlerArg = userData = p;
+ else
+ userData = p;
+}
+
+void XML_SetElementHandler(XML_Parser parser,
+ XML_StartElementHandler start,
+ XML_EndElementHandler end)
+{
+ startElementHandler = start;
+ endElementHandler = end;
+}
+
+void XML_SetCharacterDataHandler(XML_Parser parser,
+ XML_CharacterDataHandler handler)
+{
+ characterDataHandler = handler;
+}
+
+int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
+{
+ if (len == 0) {
+ if (!isFinal)
+ return 1;
+ positionPtr = bufferPtr;
+ errorCode = processor(parser, bufferPtr, parseEndPtr = bufferEnd, 0);
+ if (errorCode == XML_ERROR_NONE)
+ return 1;
+ eventEndPtr = eventPtr;
+ return 0;
+ }
+ else if (bufferPtr == bufferEnd) {
+ const char *end;
+ int nLeftOver;
+ parseEndByteIndex += len;
+ positionPtr = s;
+ if (isFinal) {
+ errorCode = processor(parser, s, parseEndPtr = s + len, 0);
+ if (errorCode == XML_ERROR_NONE)
+ return 1;
+ eventEndPtr = eventPtr;
+ return 0;
+ }
+ errorCode = processor(parser, s, parseEndPtr = s + len, &end);
+ if (errorCode != XML_ERROR_NONE) {
+ eventEndPtr = eventPtr;
+ return 0;
+ }
+ XmlUpdatePosition(encoding, positionPtr, end, &position);
+ nLeftOver = s + len - end;
+ if (nLeftOver) {
+ if (buffer == 0 || nLeftOver > bufferLim - buffer) {
+ /* FIXME avoid integer overflow */
+ buffer = buffer == 0 ? malloc(len * 2) : realloc(buffer, len * 2);
+ if (!buffer) {
+ errorCode = XML_ERROR_NO_MEMORY;
+ eventPtr = eventEndPtr = 0;
+ return 0;
+ }
+ bufferLim = buffer + len * 2;
+ }
+ memcpy(buffer, end, nLeftOver);
+ bufferPtr = buffer;
+ bufferEnd = buffer + nLeftOver;
+ }
+ return 1;
+ }
+ else {
+ memcpy(XML_GetBuffer(parser, len), s, len);
+ return XML_ParseBuffer(parser, len, isFinal);
+ }
+}
+
+static int XML_ParseBuffer(XML_Parser parser, int len, int isFinal)
+{
+ const char *start = bufferPtr;
+ positionPtr = start;
+ bufferEnd += len;
+ parseEndByteIndex += len;
+ errorCode = processor(parser, start, parseEndPtr = bufferEnd,
+ isFinal ? (const char **)0 : &bufferPtr);
+ if (errorCode == XML_ERROR_NONE) {
+ if (!isFinal)
+ XmlUpdatePosition(encoding, positionPtr, bufferPtr, &position);
+ return 1;
+ }
+ else {
+ eventEndPtr = eventPtr;
+ return 0;
+ }
+}
+
+static void *XML_GetBuffer(XML_Parser parser, int len)
+{
+ if (len > bufferLim - bufferEnd) {
+ /* FIXME avoid integer overflow */
+ int neededSize = len + (bufferEnd - bufferPtr);
+ if (neededSize <= bufferLim - buffer) {
+ memmove(buffer, bufferPtr, bufferEnd - bufferPtr);
+ bufferEnd = buffer + (bufferEnd - bufferPtr);
+ bufferPtr = buffer;
+ }
+ else {
+ char *newBuf;
+ int bufferSize = bufferLim - bufferPtr;
+ if (bufferSize == 0)
+ bufferSize = INIT_BUFFER_SIZE;
+ do {
+ bufferSize *= 2;
+ } while (bufferSize < neededSize);
+ newBuf = malloc(bufferSize);
+ if (newBuf == 0) {
+ errorCode = XML_ERROR_NO_MEMORY;
+ return 0;
+ }
+ bufferLim = newBuf + bufferSize;
+ if (bufferPtr) {
+ memcpy(newBuf, bufferPtr, bufferEnd - bufferPtr);
+ g_free(buffer);
+ }
+ bufferEnd = newBuf + (bufferEnd - bufferPtr);
+ bufferPtr = buffer = newBuf;
+ }
+ }
+ return bufferEnd;
+}
+
+static
+enum XML_Error contentProcessor(XML_Parser parser,
+ const char *start,
+ const char *end,
+ const char **endPtr)
+{
+ return doContent(parser, 0, encoding, start, end, endPtr);
+}
+
+static enum XML_Error
+doContent(XML_Parser parser,
+ int startTagLevel,
+ const ENCODING *enc,
+ const char *s,
+ const char *end,
+ const char **nextPtr)
+{
+ const ENCODING *internalEnc = ns ? XmlGetInternalEncodingNS() : XmlGetInternalEncoding();
+ const char **eventPP;
+ const char **eventEndPP;
+ if (enc == encoding) {
+ eventPP = &eventPtr;
+ eventEndPP = &eventEndPtr;
+ }
+ else {
+ eventPP = &(openInternalEntities->internalEventPtr);
+ eventEndPP = &(openInternalEntities->internalEventEndPtr);
+ }
+ *eventPP = s;
+ for (;;) {
+ const char *next = s; /* XmlContentTok doesn't always set the last arg */
+ int tok = XmlContentTok(enc, s, end, &next);
+ *eventEndPP = next;
+ switch (tok) {
+ case XML_TOK_TRAILING_CR:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ *eventEndPP = end;
+ if (characterDataHandler) {
+ XML_Char c = 0xA;
+ characterDataHandler(handlerArg, &c, 1);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, end);
+ if (startTagLevel == 0)
+ return XML_ERROR_NO_ELEMENTS;
+ if (tagLevel != startTagLevel)
+ return XML_ERROR_ASYNC_ENTITY;
+ return XML_ERROR_NONE;
+ case XML_TOK_NONE:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ if (startTagLevel > 0) {
+ if (tagLevel != startTagLevel)
+ return XML_ERROR_ASYNC_ENTITY;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_NO_ELEMENTS;
+ case XML_TOK_INVALID:
+ *eventPP = next;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_PARTIAL:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_UNCLOSED_TOKEN;
+ case XML_TOK_PARTIAL_CHAR:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_PARTIAL_CHAR;
+ case XML_TOK_ENTITY_REF:
+ {
+ const XML_Char *name;
+ ENTITY *entity;
+ XML_Char ch = XmlPredefinedEntityName(enc,
+ s + enc->minBytesPerChar,
+ next - enc->minBytesPerChar);
+ if (ch) {
+ if (characterDataHandler)
+ characterDataHandler(handlerArg, &ch, 1);
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ }
+ name = poolStoreString(&dtd.pool, enc,
+ s + enc->minBytesPerChar,
+ next - enc->minBytesPerChar);
+ if (!name)
+ return XML_ERROR_NO_MEMORY;
+ entity = (ENTITY *)lookup(&dtd.generalEntities, name, 0);
+ poolDiscard(&dtd.pool);
+ if (!entity) {
+ if (dtd.complete || dtd.standalone)
+ return XML_ERROR_UNDEFINED_ENTITY;
+ if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ }
+ if (entity->open)
+ return XML_ERROR_RECURSIVE_ENTITY_REF;
+ if (entity->notation)
+ return XML_ERROR_BINARY_ENTITY_REF;
+ if (entity) {
+ if (entity->textPtr) {
+ enum XML_Error result;
+ OPEN_INTERNAL_ENTITY openEntity;
+ if (defaultHandler && !defaultExpandInternalEntities) {
+ reportDefault(parser, enc, s, next);
+ break;
+ }
+ entity->open = 1;
+ openEntity.next = openInternalEntities;
+ openInternalEntities = &openEntity;
+ openEntity.entity = entity;
+ openEntity.internalEventPtr = 0;
+ openEntity.internalEventEndPtr = 0;
+ result = doContent(parser,
+ tagLevel,
+ internalEnc,
+ (char *)entity->textPtr,
+ (char *)(entity->textPtr + entity->textLen),
+ 0);
+ entity->open = 0;
+ openInternalEntities = openEntity.next;
+ if (result)
+ return result;
+ }
+ else if (externalEntityRefHandler) {
+ const XML_Char *context;
+ entity->open = 1;
+ context = getContext(parser);
+ entity->open = 0;
+ if (!context)
+ return XML_ERROR_NO_MEMORY;
+ if (!externalEntityRefHandler(externalEntityRefHandlerArg,
+ context,
+ dtd.base,
+ entity->systemId,
+ entity->publicId))
+ return XML_ERROR_EXTERNAL_ENTITY_HANDLING;
+ poolDiscard(&tempPool);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ }
+ break;
+ }
+ case XML_TOK_START_TAG_WITH_ATTS:
+ if (!startElementHandler) {
+ enum XML_Error result = storeAtts(parser, enc, s, 0, 0);
+ if (result)
+ return result;
+ }
+ /* fall through */
+ case XML_TOK_START_TAG_NO_ATTS:
+ {
+ TAG *tag;
+ if (freeTagList) {
+ tag = freeTagList;
+ freeTagList = freeTagList->parent;
+ }
+ else {
+ tag = malloc(sizeof(TAG));
+ if (!tag)
+ return XML_ERROR_NO_MEMORY;
+ tag->buf = malloc(INIT_TAG_BUF_SIZE);
+ if (!tag->buf)
+ return XML_ERROR_NO_MEMORY;
+ tag->bufEnd = tag->buf + INIT_TAG_BUF_SIZE;
+ }
+ tag->bindings = 0;
+ tag->parent = tagStack;
+ tagStack = tag;
+ tag->name.localPart = 0;
+ tag->rawName = s + enc->minBytesPerChar;
+ tag->rawNameLength = XmlNameLength(enc, tag->rawName);
+ if (nextPtr) {
+ /* Need to guarantee that:
+ tag->buf + ROUND_UP(tag->rawNameLength, sizeof(XML_Char)) <= tag->bufEnd - sizeof(XML_Char) */
+ if (tag->rawNameLength + (int)(sizeof(XML_Char) - 1) + (int)sizeof(XML_Char) > tag->bufEnd - tag->buf) {
+ int bufSize = tag->rawNameLength * 4;
+ bufSize = ROUND_UP(bufSize, sizeof(XML_Char));
+ tag->buf = realloc(tag->buf, bufSize);
+ if (!tag->buf)
+ return XML_ERROR_NO_MEMORY;
+ tag->bufEnd = tag->buf + bufSize;
+ }
+ memcpy(tag->buf, tag->rawName, tag->rawNameLength);
+ tag->rawName = tag->buf;
+ }
+ ++tagLevel;
+ if (startElementHandler) {
+ enum XML_Error result;
+ XML_Char *toPtr;
+ for (;;) {
+ const char *rawNameEnd = tag->rawName + tag->rawNameLength;
+ const char *fromPtr = tag->rawName;
+ int bufSize;
+ if (nextPtr)
+ toPtr = (XML_Char *)(tag->buf + ROUND_UP(tag->rawNameLength, sizeof(XML_Char)));
+ else
+ toPtr = (XML_Char *)tag->buf;
+ tag->name.str = toPtr;
+ XmlConvert(enc,
+ &fromPtr, rawNameEnd,
+ (ICHAR **)&toPtr, (ICHAR *)tag->bufEnd - 1);
+ if (fromPtr == rawNameEnd)
+ break;
+ bufSize = (tag->bufEnd - tag->buf) << 1;
+ tag->buf = realloc(tag->buf, bufSize);
+ if (!tag->buf)
+ return XML_ERROR_NO_MEMORY;
+ tag->bufEnd = tag->buf + bufSize;
+ if (nextPtr)
+ tag->rawName = tag->buf;
+ }
+ *toPtr = XML_T('\0');
+ result = storeAtts(parser, enc, s, &(tag->name), &(tag->bindings));
+ if (result)
+ return result;
+ startElementHandler(handlerArg, tag->name.str, (const XML_Char **)atts);
+ poolClear(&tempPool);
+ }
+ else {
+ tag->name.str = 0;
+ if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ }
+ break;
+ }
+ case XML_TOK_EMPTY_ELEMENT_WITH_ATTS:
+ if (!startElementHandler) {
+ enum XML_Error result = storeAtts(parser, enc, s, 0, 0);
+ if (result)
+ return result;
+ }
+ /* fall through */
+ case XML_TOK_EMPTY_ELEMENT_NO_ATTS:
+ if (startElementHandler || endElementHandler) {
+ const char *rawName = s + enc->minBytesPerChar;
+ enum XML_Error result;
+ BINDING *bindings = 0;
+ TAG_NAME name;
+ name.str = poolStoreString(&tempPool, enc, rawName,
+ rawName + XmlNameLength(enc, rawName));
+ if (!name.str)
+ return XML_ERROR_NO_MEMORY;
+ poolFinish(&tempPool);
+ result = storeAtts(parser, enc, s, &name, &bindings);
+ if (result)
+ return result;
+ poolFinish(&tempPool);
+ if (startElementHandler)
+ startElementHandler(handlerArg, name.str, (const XML_Char **)atts);
+ if (endElementHandler) {
+ if (startElementHandler)
+ *eventPP = *eventEndPP;
+ endElementHandler(handlerArg, name.str);
+ }
+ poolClear(&tempPool);
+ while (bindings) {
+ BINDING *b = bindings;
+ if (endNamespaceDeclHandler)
+ endNamespaceDeclHandler(handlerArg, b->prefix->name);
+ bindings = bindings->nextTagBinding;
+ b->nextTagBinding = freeBindingList;
+ freeBindingList = b;
+ b->prefix->binding = b->prevPrefixBinding;
+ }
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ if (tagLevel == 0)
+ return epilogProcessor(parser, next, end, nextPtr);
+ break;
+ case XML_TOK_END_TAG:
+ if (tagLevel == startTagLevel)
+ return XML_ERROR_ASYNC_ENTITY;
+ else {
+ int len;
+ const char *rawName;
+ TAG *tag = tagStack;
+ tagStack = tag->parent;
+ tag->parent = freeTagList;
+ freeTagList = tag;
+ rawName = s + enc->minBytesPerChar*2;
+ len = XmlNameLength(enc, rawName);
+ if (len != tag->rawNameLength
+ || memcmp(tag->rawName, rawName, len) != 0) {
+ *eventPP = rawName;
+ return XML_ERROR_TAG_MISMATCH;
+ }
+ --tagLevel;
+ if (endElementHandler && tag->name.str) {
+ if (tag->name.localPart) {
+ XML_Char *to = (XML_Char *)tag->name.str + tag->name.uriLen;
+ const XML_Char *from = tag->name.localPart;
+ while ((*to++ = *from++) != 0)
+ ;
+ }
+ endElementHandler(handlerArg, tag->name.str);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ while (tag->bindings) {
+ BINDING *b = tag->bindings;
+ if (endNamespaceDeclHandler)
+ endNamespaceDeclHandler(handlerArg, b->prefix->name);
+ tag->bindings = tag->bindings->nextTagBinding;
+ b->nextTagBinding = freeBindingList;
+ freeBindingList = b;
+ b->prefix->binding = b->prevPrefixBinding;
+ }
+ if (tagLevel == 0)
+ return epilogProcessor(parser, next, end, nextPtr);
+ }
+ break;
+ case XML_TOK_CHAR_REF:
+ {
+ int n = XmlCharRefNumber(enc, s);
+ if (n < 0)
+ return XML_ERROR_BAD_CHAR_REF;
+ if (characterDataHandler) {
+ XML_Char buf[XML_ENCODE_MAX];
+ characterDataHandler(handlerArg, buf, XmlEncode(n, (ICHAR *)buf));
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ }
+ break;
+ case XML_TOK_XML_DECL:
+ return XML_ERROR_MISPLACED_XML_PI;
+ case XML_TOK_DATA_NEWLINE:
+ if (characterDataHandler) {
+ XML_Char c = 0xA;
+ characterDataHandler(handlerArg, &c, 1);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ case XML_TOK_CDATA_SECT_OPEN:
+ {
+ enum XML_Error result;
+ if (startCdataSectionHandler)
+ startCdataSectionHandler(handlerArg);
+#if 0
+ /* Suppose you doing a transformation on a document that involves
+ changing only the character data. You set up a defaultHandler
+ and a characterDataHandler. The defaultHandler simply copies
+ characters through. The characterDataHandler does the transformation
+ and writes the characters out escaping them as necessary. This case
+ will fail to work if we leave out the following two lines (because &
+ and < inside CDATA sections will be incorrectly escaped).
+
+ However, now we have a start/endCdataSectionHandler, so it seems
+ easier to let the user deal with this. */
+
+ else if (characterDataHandler)
+ characterDataHandler(handlerArg, dataBuf, 0);
+#endif
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ result = doCdataSection(parser, enc, &next, end, nextPtr);
+ if (!next) {
+ processor = cdataSectionProcessor;
+ return result;
+ }
+ }
+ break;
+ case XML_TOK_TRAILING_RSQB:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ if (characterDataHandler) {
+ if (MUST_CONVERT(enc, s)) {
+ ICHAR *dataPtr = (ICHAR *)dataBuf;
+ XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd);
+ characterDataHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf);
+ }
+ else
+ characterDataHandler(handlerArg,
+ (XML_Char *)s,
+ (XML_Char *)end - (XML_Char *)s);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, end);
+ if (startTagLevel == 0) {
+ *eventPP = end;
+ return XML_ERROR_NO_ELEMENTS;
+ }
+ if (tagLevel != startTagLevel) {
+ *eventPP = end;
+ return XML_ERROR_ASYNC_ENTITY;
+ }
+ return XML_ERROR_NONE;
+ case XML_TOK_DATA_CHARS:
+ if (characterDataHandler) {
+ if (MUST_CONVERT(enc, s)) {
+ for (;;) {
+ ICHAR *dataPtr = (ICHAR *)dataBuf;
+ XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd);
+ *eventEndPP = s;
+ characterDataHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf);
+ if (s == next)
+ break;
+ *eventPP = s;
+ }
+ }
+ else
+ characterDataHandler(handlerArg,
+ (XML_Char *)s,
+ (XML_Char *)next - (XML_Char *)s);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ case XML_TOK_PI:
+ if (!reportProcessingInstruction(parser, enc, s, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_TOK_COMMENT:
+ if (!reportComment(parser, enc, s, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ default:
+ if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ }
+ *eventPP = s = next;
+ }
+ /* not reached */
+}
+
+/* If tagNamePtr is non-null, build a real list of attributes,
+otherwise just check the attributes for well-formedness. */
+
+static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc,
+ const char *s, TAG_NAME *tagNamePtr,
+ BINDING **bindingsPtr)
+{
+ ELEMENT_TYPE *elementType = 0;
+ int nDefaultAtts = 0;
+ const XML_Char **appAtts;
+ int attIndex = 0;
+ int i;
+ int n;
+ int nPrefixes = 0;
+ BINDING *binding;
+ const XML_Char *localPart;
+
+ if (tagNamePtr) {
+ elementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, tagNamePtr->str, 0);
+ if (!elementType) {
+ tagNamePtr->str = poolCopyString(&dtd.pool, tagNamePtr->str);
+ if (!tagNamePtr->str)
+ return XML_ERROR_NO_MEMORY;
+ elementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, tagNamePtr->str, sizeof(ELEMENT_TYPE));
+ if (!elementType)
+ return XML_ERROR_NO_MEMORY;
+ if (ns && !setElementTypePrefix(parser, elementType))
+ return XML_ERROR_NO_MEMORY;
+ }
+ nDefaultAtts = elementType->nDefaultAtts;
+ }
+ n = XmlGetAttributes(enc, s, attsSize, atts);
+ if (n + nDefaultAtts > attsSize) {
+ int oldAttsSize = attsSize;
+ attsSize = n + nDefaultAtts + INIT_ATTS_SIZE;
+ atts = realloc((void *)atts, attsSize * sizeof(ATTRIBUTE));
+ if (!atts)
+ return XML_ERROR_NO_MEMORY;
+ if (n > oldAttsSize)
+ XmlGetAttributes(enc, s, n, atts);
+ }
+ appAtts = (const XML_Char **)atts;
+ for (i = 0; i < n; i++) {
+ ATTRIBUTE_ID *attId = getAttributeId(parser, enc, atts[i].name,
+ atts[i].name
+ + XmlNameLength(enc, atts[i].name));
+ if (!attId)
+ return XML_ERROR_NO_MEMORY;
+ if ((attId->name)[-1]) {
+ if (enc == encoding)
+ eventPtr = atts[i].name;
+ return XML_ERROR_DUPLICATE_ATTRIBUTE;
+ }
+ (attId->name)[-1] = 1;
+ appAtts[attIndex++] = attId->name;
+ if (!atts[i].normalized) {
+ enum XML_Error result;
+ int isCdata = 1;
+
+ if (attId->maybeTokenized) {
+ int j;
+ for (j = 0; j < nDefaultAtts; j++) {
+ if (attId == elementType->defaultAtts[j].id) {
+ isCdata = elementType->defaultAtts[j].isCdata;
+ break;
+ }
+ }
+ }
+
+ result = storeAttributeValue(parser, enc, isCdata,
+ atts[i].valuePtr, atts[i].valueEnd,
+ &tempPool);
+ if (result)
+ return result;
+ if (tagNamePtr) {
+ appAtts[attIndex] = poolStart(&tempPool);
+ poolFinish(&tempPool);
+ }
+ else
+ poolDiscard(&tempPool);
+ }
+ else if (tagNamePtr) {
+ appAtts[attIndex] = poolStoreString(&tempPool, enc, atts[i].valuePtr, atts[i].valueEnd);
+ if (appAtts[attIndex] == 0)
+ return XML_ERROR_NO_MEMORY;
+ poolFinish(&tempPool);
+ }
+ if (attId->prefix && tagNamePtr) {
+ if (attId->xmlns) {
+ if (!addBinding(parser, attId->prefix, attId, appAtts[attIndex], bindingsPtr))
+ return XML_ERROR_NO_MEMORY;
+ --attIndex;
+ }
+ else {
+ attIndex++;
+ nPrefixes++;
+ (attId->name)[-1] = 2;
+ }
+ }
+ else
+ attIndex++;
+ }
+ nSpecifiedAtts = attIndex;
+ if (tagNamePtr) {
+ int j;
+ for (j = 0; j < nDefaultAtts; j++) {
+ const DEFAULT_ATTRIBUTE *da = elementType->defaultAtts + j;
+ if (!(da->id->name)[-1] && da->value) {
+ if (da->id->prefix) {
+ if (da->id->xmlns) {
+ if (!addBinding(parser, da->id->prefix, da->id, da->value, bindingsPtr))
+ return XML_ERROR_NO_MEMORY;
+ }
+ else {
+ (da->id->name)[-1] = 2;
+ nPrefixes++;
+ appAtts[attIndex++] = da->id->name;
+ appAtts[attIndex++] = da->value;
+ }
+ }
+ else {
+ (da->id->name)[-1] = 1;
+ appAtts[attIndex++] = da->id->name;
+ appAtts[attIndex++] = da->value;
+ }
+ }
+ }
+ appAtts[attIndex] = 0;
+ }
+ i = 0;
+ if (nPrefixes) {
+ for (; i < attIndex; i += 2) {
+ if (appAtts[i][-1] == 2) {
+ ATTRIBUTE_ID *id;
+ ((XML_Char *)(appAtts[i]))[-1] = 0;
+ id = (ATTRIBUTE_ID *)lookup(&dtd.attributeIds, appAtts[i], 0);
+ if (id->prefix->binding) {
+ int j;
+ const BINDING *b = id->prefix->binding;
+ const XML_Char *s = appAtts[i];
+ for (j = 0; j < b->uriLen; j++) {
+ if (!poolAppendChar(&tempPool, b->uri[j]))
+ return XML_ERROR_NO_MEMORY;
+ }
+ while (*s++ != ':')
+ ;
+ do {
+ if (!poolAppendChar(&tempPool, *s))
+ return XML_ERROR_NO_MEMORY;
+ } while (*s++);
+ appAtts[i] = poolStart(&tempPool);
+ poolFinish(&tempPool);
+ }
+ if (!--nPrefixes)
+ break;
+ }
+ else
+ ((XML_Char *)(appAtts[i]))[-1] = 0;
+ }
+ }
+ for (; i < attIndex; i += 2)
+ ((XML_Char *)(appAtts[i]))[-1] = 0;
+ if (!tagNamePtr)
+ return XML_ERROR_NONE;
+ for (binding = *bindingsPtr; binding; binding = binding->nextTagBinding)
+ binding->attId->name[-1] = 0;
+ if (elementType->prefix) {
+ binding = elementType->prefix->binding;
+ if (!binding)
+ return XML_ERROR_NONE;
+ localPart = tagNamePtr->str;
+ while (*localPart++ != XML_T(':'))
+ ;
+ }
+ else if (dtd.defaultPrefix.binding) {
+ binding = dtd.defaultPrefix.binding;
+ localPart = tagNamePtr->str;
+ }
+ else
+ return XML_ERROR_NONE;
+ tagNamePtr->localPart = localPart;
+ tagNamePtr->uriLen = binding->uriLen;
+ i = binding->uriLen;
+ do {
+ if (i == binding->uriAlloc) {
+ binding->uri = realloc(binding->uri, binding->uriAlloc *= 2);
+ if (!binding->uri)
+ return XML_ERROR_NO_MEMORY;
+ }
+ binding->uri[i++] = *localPart;
+ } while (*localPart++);
+ tagNamePtr->str = binding->uri;
+ return XML_ERROR_NONE;
+}
+
+static
+int addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId, const XML_Char *uri, BINDING **bindingsPtr)
+{
+ BINDING *b;
+ int len;
+ for (len = 0; uri[len]; len++)
+ ;
+ if (namespaceSeparator)
+ len++;
+ if (freeBindingList) {
+ b = freeBindingList;
+ if (len > b->uriAlloc) {
+ b->uri = realloc(b->uri, len + EXPAND_SPARE);
+ if (!b->uri)
+ return 0;
+ b->uriAlloc = len + EXPAND_SPARE;
+ }
+ freeBindingList = b->nextTagBinding;
+ }
+ else {
+ b = malloc(sizeof(BINDING));
+ if (!b)
+ return 0;
+ b->uri = malloc(sizeof(XML_Char) * len + EXPAND_SPARE);
+ if (!b->uri) {
+ g_free(b);
+ return 0;
+ }
+ b->uriAlloc = len;
+ }
+ b->uriLen = len;
+ memcpy(b->uri, uri, len * sizeof(XML_Char));
+ if (namespaceSeparator)
+ b->uri[len - 1] = namespaceSeparator;
+ b->prefix = prefix;
+ b->attId = attId;
+ b->prevPrefixBinding = prefix->binding;
+ if (*uri == XML_T('\0') && prefix == &dtd.defaultPrefix)
+ prefix->binding = 0;
+ else
+ prefix->binding = b;
+ b->nextTagBinding = *bindingsPtr;
+ *bindingsPtr = b;
+ if (startNamespaceDeclHandler)
+ startNamespaceDeclHandler(handlerArg, prefix->name,
+ prefix->binding ? uri : 0);
+ return 1;
+}
+
+/* The idea here is to avoid using stack for each CDATA section when
+the whole file is parsed with one call. */
+
+static
+enum XML_Error cdataSectionProcessor(XML_Parser parser,
+ const char *start,
+ const char *end,
+ const char **endPtr)
+{
+ enum XML_Error result = doCdataSection(parser, encoding, &start, end, endPtr);
+ if (start) {
+ processor = contentProcessor;
+ return contentProcessor(parser, start, end, endPtr);
+ }
+ return result;
+}
+
+/* startPtr gets set to non-null is the section is closed, and to null if
+the section is not yet closed. */
+
+static
+enum XML_Error doCdataSection(XML_Parser parser,
+ const ENCODING *enc,
+ const char **startPtr,
+ const char *end,
+ const char **nextPtr)
+{
+ const char *s = *startPtr;
+ const char **eventPP;
+ const char **eventEndPP;
+ if (enc == encoding) {
+ eventPP = &eventPtr;
+ *eventPP = s;
+ eventEndPP = &eventEndPtr;
+ }
+ else {
+ eventPP = &(openInternalEntities->internalEventPtr);
+ eventEndPP = &(openInternalEntities->internalEventEndPtr);
+ }
+ *eventPP = s;
+ *startPtr = 0;
+ for (;;) {
+ const char *next;
+ int tok = XmlCdataSectionTok(enc, s, end, &next);
+ *eventEndPP = next;
+ switch (tok) {
+ case XML_TOK_CDATA_SECT_CLOSE:
+ if (endCdataSectionHandler)
+ endCdataSectionHandler(handlerArg);
+#if 0
+ /* see comment under XML_TOK_CDATA_SECT_OPEN */
+ else if (characterDataHandler)
+ characterDataHandler(handlerArg, dataBuf, 0);
+#endif
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ *startPtr = next;
+ return XML_ERROR_NONE;
+ case XML_TOK_DATA_NEWLINE:
+ if (characterDataHandler) {
+ XML_Char c = 0xA;
+ characterDataHandler(handlerArg, &c, 1);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ case XML_TOK_DATA_CHARS:
+ if (characterDataHandler) {
+ if (MUST_CONVERT(enc, s)) {
+ for (;;) {
+ ICHAR *dataPtr = (ICHAR *)dataBuf;
+ XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd);
+ *eventEndPP = next;
+ characterDataHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf);
+ if (s == next)
+ break;
+ *eventPP = s;
+ }
+ }
+ else
+ characterDataHandler(handlerArg,
+ (XML_Char *)s,
+ (XML_Char *)next - (XML_Char *)s);
+ }
+ else if (defaultHandler)
+ reportDefault(parser, enc, s, next);
+ break;
+ case XML_TOK_INVALID:
+ *eventPP = next;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_PARTIAL_CHAR:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_PARTIAL_CHAR;
+ case XML_TOK_PARTIAL:
+ case XML_TOK_NONE:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_UNCLOSED_CDATA_SECTION;
+ default:
+ abort();
+ }
+ *eventPP = s = next;
+ }
+ /* not reached */
+}
+
+static enum XML_Error
+initializeEncoding(XML_Parser parser)
+{
+ const char *s;
+#ifdef XML_UNICODE
+ char encodingBuf[128];
+ if (!protocolEncodingName)
+ s = 0;
+ else {
+ int i;
+ for (i = 0; protocolEncodingName[i]; i++) {
+ if (i == sizeof(encodingBuf) - 1
+ || protocolEncodingName[i] >= 0x80
+ || protocolEncodingName[i] < 0) {
+ encodingBuf[0] = '\0';
+ break;
+ }
+ encodingBuf[i] = (char)protocolEncodingName[i];
+ }
+ encodingBuf[i] = '\0';
+ s = encodingBuf;
+ }
+#else
+s = protocolEncodingName;
+#endif
+ if ((ns ? XmlInitEncodingNS : XmlInitEncoding)(&initEncoding, &encoding, s))
+ return XML_ERROR_NONE;
+ return handleUnknownEncoding(parser, protocolEncodingName);
+}
+
+static enum XML_Error
+processXmlDecl(XML_Parser parser, int isGeneralTextEntity,
+ const char *s, const char *next)
+{
+ const char *encodingName = 0;
+ const ENCODING *newEncoding = 0;
+ const char *version;
+ int standalone = -1;
+ if (!(ns
+ ? XmlParseXmlDeclNS
+ : XmlParseXmlDecl)(isGeneralTextEntity,
+ encoding,
+ s,
+ next,
+ &eventPtr,
+ &version,
+ &encodingName,
+ &newEncoding,
+ &standalone))
+ return XML_ERROR_SYNTAX;
+ if (!isGeneralTextEntity && standalone == 1)
+ dtd.standalone = 1;
+ if (defaultHandler)
+ reportDefault(parser, encoding, s, next);
+ if (!protocolEncodingName) {
+ if (newEncoding) {
+ if (newEncoding->minBytesPerChar != encoding->minBytesPerChar) {
+ eventPtr = encodingName;
+ return XML_ERROR_INCORRECT_ENCODING;
+ }
+ encoding = newEncoding;
+ }
+ else if (encodingName) {
+ enum XML_Error result;
+ const XML_Char *s = poolStoreString(&tempPool,
+ encoding,
+ encodingName,
+ encodingName
+ + XmlNameLength(encoding, encodingName));
+ if (!s)
+ return XML_ERROR_NO_MEMORY;
+ result = handleUnknownEncoding(parser, s);
+ poolDiscard(&tempPool);
+ if (result == XML_ERROR_UNKNOWN_ENCODING)
+ eventPtr = encodingName;
+ return result;
+ }
+ }
+ return XML_ERROR_NONE;
+}
+
+static enum XML_Error
+handleUnknownEncoding(XML_Parser parser, const XML_Char *encodingName)
+{
+ if (unknownEncodingHandler) {
+ XML_Encoding info;
+ int i;
+ for (i = 0; i < 256; i++)
+ info.map[i] = -1;
+ info.convert = 0;
+ info.data = 0;
+ info.release = 0;
+ if (unknownEncodingHandler(unknownEncodingHandlerData, encodingName, &info)) {
+ ENCODING *enc;
+ unknownEncodingMem = malloc(XmlSizeOfUnknownEncoding());
+ if (!unknownEncodingMem) {
+ if (info.release)
+ info.release(info.data);
+ return XML_ERROR_NO_MEMORY;
+ }
+ enc = (ns
+ ? XmlInitUnknownEncodingNS
+ : XmlInitUnknownEncoding)(unknownEncodingMem,
+ info.map,
+ info.convert,
+ info.data);
+ if (enc) {
+ unknownEncodingData = info.data;
+ unknownEncodingRelease = info.release;
+ encoding = enc;
+ return XML_ERROR_NONE;
+ }
+ }
+ if (info.release)
+ info.release(info.data);
+ }
+ return XML_ERROR_UNKNOWN_ENCODING;
+}
+
+static enum XML_Error
+prologInitProcessor(XML_Parser parser,
+ const char *s,
+ const char *end,
+ const char **nextPtr)
+{
+ enum XML_Error result = initializeEncoding(parser);
+ if (result != XML_ERROR_NONE)
+ return result;
+ processor = prologProcessor;
+ return prologProcessor(parser, s, end, nextPtr);
+}
+
+static enum XML_Error
+prologProcessor(XML_Parser parser,
+ const char *s,
+ const char *end,
+ const char **nextPtr)
+{
+ for (;;) {
+ const char *next;
+ int tok = XmlPrologTok(encoding, s, end, &next);
+ if (tok <= 0) {
+ if (nextPtr != 0 && tok != XML_TOK_INVALID) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ switch (tok) {
+ case XML_TOK_INVALID:
+ eventPtr = next;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_NONE:
+ return XML_ERROR_NO_ELEMENTS;
+ case XML_TOK_PARTIAL:
+ return XML_ERROR_UNCLOSED_TOKEN;
+ case XML_TOK_PARTIAL_CHAR:
+ return XML_ERROR_PARTIAL_CHAR;
+ case XML_TOK_TRAILING_CR:
+ eventPtr = s + encoding->minBytesPerChar;
+ return XML_ERROR_NO_ELEMENTS;
+ default:
+ abort();
+ }
+ }
+ switch (XmlTokenRole(&prologState, tok, s, next, encoding)) {
+ case XML_ROLE_XML_DECL:
+ {
+ enum XML_Error result = processXmlDecl(parser, 0, s, next);
+ if (result != XML_ERROR_NONE)
+ return result;
+ }
+ break;
+ case XML_ROLE_DOCTYPE_SYSTEM_ID:
+ if (!dtd.standalone
+ && notStandaloneHandler
+ && !notStandaloneHandler(handlerArg))
+ return XML_ERROR_NOT_STANDALONE;
+ hadExternalDoctype = 1;
+ break;
+ case XML_ROLE_DOCTYPE_PUBLIC_ID:
+ case XML_ROLE_ENTITY_PUBLIC_ID:
+ if (!XmlIsPublicId(encoding, s, next, &eventPtr))
+ return XML_ERROR_SYNTAX;
+ if (declEntity) {
+ XML_Char *tem = poolStoreString(&dtd.pool,
+ encoding,
+ s + encoding->minBytesPerChar,
+ next - encoding->minBytesPerChar);
+ if (!tem)
+ return XML_ERROR_NO_MEMORY;
+ normalizePublicId(tem);
+ declEntity->publicId = tem;
+ poolFinish(&dtd.pool);
+ }
+ break;
+ case XML_ROLE_INSTANCE_START:
+ processor = contentProcessor;
+ if (hadExternalDoctype)
+ dtd.complete = 0;
+ return contentProcessor(parser, s, end, nextPtr);
+ case XML_ROLE_ATTLIST_ELEMENT_NAME:
+ {
+ const XML_Char *name = poolStoreString(&dtd.pool, encoding, s, next);
+ if (!name)
+ return XML_ERROR_NO_MEMORY;
+ declElementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, name, sizeof(ELEMENT_TYPE));
+ if (!declElementType)
+ return XML_ERROR_NO_MEMORY;
+ if (declElementType->name != name)
+ poolDiscard(&dtd.pool);
+ else {
+ poolFinish(&dtd.pool);
+ if (!setElementTypePrefix(parser, declElementType))
+ return XML_ERROR_NO_MEMORY;
+ }
+ break;
+ }
+ case XML_ROLE_ATTRIBUTE_NAME:
+ declAttributeId = getAttributeId(parser, encoding, s, next);
+ if (!declAttributeId)
+ return XML_ERROR_NO_MEMORY;
+ declAttributeIsCdata = 0;
+ break;
+ case XML_ROLE_ATTRIBUTE_TYPE_CDATA:
+ declAttributeIsCdata = 1;
+ break;
+ case XML_ROLE_IMPLIED_ATTRIBUTE_VALUE:
+ case XML_ROLE_REQUIRED_ATTRIBUTE_VALUE:
+ if (dtd.complete
+ && !defineAttribute(declElementType, declAttributeId, declAttributeIsCdata, 0))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_ROLE_DEFAULT_ATTRIBUTE_VALUE:
+ case XML_ROLE_FIXED_ATTRIBUTE_VALUE:
+ {
+ const XML_Char *attVal;
+ enum XML_Error result
+ = storeAttributeValue(parser, encoding, declAttributeIsCdata,
+ s + encoding->minBytesPerChar,
+ next - encoding->minBytesPerChar,
+ &dtd.pool);
+ if (result)
+ return result;
+ attVal = poolStart(&dtd.pool);
+ poolFinish(&dtd.pool);
+ if (dtd.complete
+ && !defineAttribute(declElementType, declAttributeId, declAttributeIsCdata, attVal))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ }
+ case XML_ROLE_ENTITY_VALUE:
+ {
+ enum XML_Error result = storeEntityValue(parser, s, next);
+ if (result != XML_ERROR_NONE)
+ return result;
+ }
+ break;
+ case XML_ROLE_ENTITY_SYSTEM_ID:
+ if (declEntity) {
+ declEntity->systemId = poolStoreString(&dtd.pool, encoding,
+ s + encoding->minBytesPerChar,
+ next - encoding->minBytesPerChar);
+ if (!declEntity->systemId)
+ return XML_ERROR_NO_MEMORY;
+ declEntity->base = dtd.base;
+ poolFinish(&dtd.pool);
+ }
+ break;
+ case XML_ROLE_ENTITY_NOTATION_NAME:
+ if (declEntity) {
+ declEntity->notation = poolStoreString(&dtd.pool, encoding, s, next);
+ if (!declEntity->notation)
+ return XML_ERROR_NO_MEMORY;
+ poolFinish(&dtd.pool);
+ if (unparsedEntityDeclHandler) {
+ eventPtr = eventEndPtr = s;
+ unparsedEntityDeclHandler(handlerArg,
+ declEntity->name,
+ declEntity->base,
+ declEntity->systemId,
+ declEntity->publicId,
+ declEntity->notation);
+ }
+
+ }
+ break;
+ case XML_ROLE_GENERAL_ENTITY_NAME:
+ {
+ const XML_Char *name;
+ if (XmlPredefinedEntityName(encoding, s, next)) {
+ declEntity = 0;
+ break;
+ }
+ name = poolStoreString(&dtd.pool, encoding, s, next);
+ if (!name)
+ return XML_ERROR_NO_MEMORY;
+ if (dtd.complete) {
+ declEntity = (ENTITY *)lookup(&dtd.generalEntities, name, sizeof(ENTITY));
+ if (!declEntity)
+ return XML_ERROR_NO_MEMORY;
+ if (declEntity->name != name) {
+ poolDiscard(&dtd.pool);
+ declEntity = 0;
+ }
+ else
+ poolFinish(&dtd.pool);
+ }
+ else {
+ poolDiscard(&dtd.pool);
+ declEntity = 0;
+ }
+ }
+ break;
+ case XML_ROLE_PARAM_ENTITY_NAME:
+ declEntity = 0;
+ break;
+ case XML_ROLE_NOTATION_NAME:
+ declNotationPublicId = 0;
+ declNotationName = 0;
+ if (notationDeclHandler) {
+ declNotationName = poolStoreString(&tempPool, encoding, s, next);
+ if (!declNotationName)
+ return XML_ERROR_NO_MEMORY;
+ poolFinish(&tempPool);
+ }
+ break;
+ case XML_ROLE_NOTATION_PUBLIC_ID:
+ if (!XmlIsPublicId(encoding, s, next, &eventPtr))
+ return XML_ERROR_SYNTAX;
+ if (declNotationName) {
+ XML_Char *tem = poolStoreString(&tempPool,
+ encoding,
+ s + encoding->minBytesPerChar,
+ next - encoding->minBytesPerChar);
+ if (!tem)
+ return XML_ERROR_NO_MEMORY;
+ normalizePublicId(tem);
+ declNotationPublicId = tem;
+ poolFinish(&tempPool);
+ }
+ break;
+ case XML_ROLE_NOTATION_SYSTEM_ID:
+ if (declNotationName && notationDeclHandler) {
+ const XML_Char *systemId
+ = poolStoreString(&tempPool, encoding,
+ s + encoding->minBytesPerChar,
+ next - encoding->minBytesPerChar);
+ if (!systemId)
+ return XML_ERROR_NO_MEMORY;
+ eventPtr = eventEndPtr = s;
+ notationDeclHandler(handlerArg,
+ declNotationName,
+ dtd.base,
+ systemId,
+ declNotationPublicId);
+ }
+ poolClear(&tempPool);
+ break;
+ case XML_ROLE_NOTATION_NO_SYSTEM_ID:
+ if (declNotationPublicId && notationDeclHandler) {
+ eventPtr = eventEndPtr = s;
+ notationDeclHandler(handlerArg,
+ declNotationName,
+ dtd.base,
+ 0,
+ declNotationPublicId);
+ }
+ poolClear(&tempPool);
+ break;
+ case XML_ROLE_ERROR:
+ eventPtr = s;
+ switch (tok) {
+ case XML_TOK_PARAM_ENTITY_REF:
+ return XML_ERROR_PARAM_ENTITY_REF;
+ case XML_TOK_XML_DECL:
+ return XML_ERROR_MISPLACED_XML_PI;
+ default:
+ return XML_ERROR_SYNTAX;
+ }
+ case XML_ROLE_GROUP_OPEN:
+ if (prologState.level >= groupSize) {
+ if (groupSize)
+ groupConnector = realloc(groupConnector, groupSize *= 2);
+ else
+ groupConnector = malloc(groupSize = 32);
+ if (!groupConnector)
+ return XML_ERROR_NO_MEMORY;
+ }
+ groupConnector[prologState.level] = 0;
+ break;
+ case XML_ROLE_GROUP_SEQUENCE:
+ if (groupConnector[prologState.level] == '|') {
+ eventPtr = s;
+ return XML_ERROR_SYNTAX;
+ }
+ groupConnector[prologState.level] = ',';
+ break;
+ case XML_ROLE_GROUP_CHOICE:
+ if (groupConnector[prologState.level] == ',') {
+ eventPtr = s;
+ return XML_ERROR_SYNTAX;
+ }
+ groupConnector[prologState.level] = '|';
+ break;
+ case XML_ROLE_PARAM_ENTITY_REF:
+ if (!dtd.standalone
+ && notStandaloneHandler
+ && !notStandaloneHandler(handlerArg))
+ return XML_ERROR_NOT_STANDALONE;
+ dtd.complete = 0;
+ break;
+ case XML_ROLE_NONE:
+ switch (tok) {
+ case XML_TOK_PI:
+ eventPtr = s;
+ eventEndPtr = next;
+ if (!reportProcessingInstruction(parser, encoding, s, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_TOK_COMMENT:
+ eventPtr = s;
+ eventEndPtr = next;
+ if (!reportComment(parser, encoding, s, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ }
+ break;
+ }
+ if (defaultHandler) {
+ switch (tok) {
+ case XML_TOK_PI:
+ case XML_TOK_COMMENT:
+ case XML_TOK_BOM:
+ case XML_TOK_XML_DECL:
+ break;
+ default:
+ eventPtr = s;
+ eventEndPtr = next;
+ reportDefault(parser, encoding, s, next);
+ }
+ }
+ s = next;
+ }
+ /* not reached */
+}
+
+static
+enum XML_Error epilogProcessor(XML_Parser parser,
+ const char *s,
+ const char *end,
+ const char **nextPtr)
+{
+ processor = epilogProcessor;
+ eventPtr = s;
+ for (;;) {
+ const char *next;
+ int tok = XmlPrologTok(encoding, s, end, &next);
+ eventEndPtr = next;
+ switch (tok) {
+ case XML_TOK_TRAILING_CR:
+ if (defaultHandler) {
+ eventEndPtr = end;
+ reportDefault(parser, encoding, s, end);
+ }
+ /* fall through */
+ case XML_TOK_NONE:
+ if (nextPtr)
+ *nextPtr = end;
+ return XML_ERROR_NONE;
+ case XML_TOK_PROLOG_S:
+ if (defaultHandler)
+ reportDefault(parser, encoding, s, next);
+ break;
+ case XML_TOK_PI:
+ if (!reportProcessingInstruction(parser, encoding, s, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_TOK_COMMENT:
+ if (!reportComment(parser, encoding, s, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_TOK_INVALID:
+ eventPtr = next;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_PARTIAL:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_UNCLOSED_TOKEN;
+ case XML_TOK_PARTIAL_CHAR:
+ if (nextPtr) {
+ *nextPtr = s;
+ return XML_ERROR_NONE;
+ }
+ return XML_ERROR_PARTIAL_CHAR;
+ default:
+ return XML_ERROR_JUNK_AFTER_DOC_ELEMENT;
+ }
+ eventPtr = s = next;
+ }
+}
+
+static enum XML_Error
+storeAttributeValue(XML_Parser parser, const ENCODING *enc, int isCdata,
+ const char *ptr, const char *end,
+ STRING_POOL *pool)
+{
+ enum XML_Error result = appendAttributeValue(parser, enc, isCdata, ptr, end, pool);
+ if (result)
+ return result;
+ if (!isCdata && poolLength(pool) && poolLastChar(pool) == 0x20)
+ poolChop(pool);
+ if (!poolAppendChar(pool, XML_T('\0')))
+ return XML_ERROR_NO_MEMORY;
+ return XML_ERROR_NONE;
+}
+
+static enum XML_Error
+appendAttributeValue(XML_Parser parser, const ENCODING *enc, int isCdata,
+ const char *ptr, const char *end,
+ STRING_POOL *pool)
+{
+ const ENCODING *internalEnc = ns ? XmlGetInternalEncodingNS() : XmlGetInternalEncoding();
+ for (;;) {
+ const char *next;
+ int tok = XmlAttributeValueTok(enc, ptr, end, &next);
+ switch (tok) {
+ case XML_TOK_NONE:
+ return XML_ERROR_NONE;
+ case XML_TOK_INVALID:
+ if (enc == encoding)
+ eventPtr = next;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_PARTIAL:
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_CHAR_REF:
+ {
+ XML_Char buf[XML_ENCODE_MAX];
+ int i;
+ int n = XmlCharRefNumber(enc, ptr);
+ if (n < 0) {
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_BAD_CHAR_REF;
+ }
+ if (!isCdata
+ && n == 0x20 /* space */
+ && (poolLength(pool) == 0 || poolLastChar(pool) == 0x20))
+ break;
+ n = XmlEncode(n, (ICHAR *)buf);
+ if (!n) {
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_BAD_CHAR_REF;
+ }
+ for (i = 0; i < n; i++) {
+ if (!poolAppendChar(pool, buf[i]))
+ return XML_ERROR_NO_MEMORY;
+ }
+ }
+ break;
+ case XML_TOK_DATA_CHARS:
+ if (!poolAppend(pool, enc, ptr, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ break;
+ case XML_TOK_TRAILING_CR:
+ next = ptr + enc->minBytesPerChar;
+ /* fall through */
+ case XML_TOK_ATTRIBUTE_VALUE_S:
+ case XML_TOK_DATA_NEWLINE:
+ if (!isCdata && (poolLength(pool) == 0 || poolLastChar(pool) == 0x20))
+ break;
+ if (!poolAppendChar(pool, 0x20))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_TOK_ENTITY_REF:
+ {
+ const XML_Char *name;
+ ENTITY *entity;
+ XML_Char ch = XmlPredefinedEntityName(enc,
+ ptr + enc->minBytesPerChar,
+ next - enc->minBytesPerChar);
+ if (ch) {
+ if (!poolAppendChar(pool, ch))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ }
+ name = poolStoreString(&temp2Pool, enc,
+ ptr + enc->minBytesPerChar,
+ next - enc->minBytesPerChar);
+ if (!name)
+ return XML_ERROR_NO_MEMORY;
+ entity = (ENTITY *)lookup(&dtd.generalEntities, name, 0);
+ poolDiscard(&temp2Pool);
+ if (!entity) {
+ if (dtd.complete) {
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_UNDEFINED_ENTITY;
+ }
+ }
+ else if (entity->open) {
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_RECURSIVE_ENTITY_REF;
+ }
+ else if (entity->notation) {
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_BINARY_ENTITY_REF;
+ }
+ else if (!entity->textPtr) {
+ if (enc == encoding)
+ eventPtr = ptr;
+ return XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF;
+ }
+ else {
+ enum XML_Error result;
+ const XML_Char *textEnd = entity->textPtr + entity->textLen;
+ entity->open = 1;
+ result = appendAttributeValue(parser, internalEnc, isCdata, (char *)entity->textPtr, (char *)textEnd, pool);
+ entity->open = 0;
+ if (result)
+ return result;
+ }
+ }
+ break;
+ default:
+ abort();
+ }
+ ptr = next;
+ }
+ /* not reached */
+}
+
+static
+enum XML_Error storeEntityValue(XML_Parser parser,
+ const char *entityTextPtr,
+ const char *entityTextEnd)
+{
+ const ENCODING *internalEnc;
+ STRING_POOL *pool = &(dtd.pool);
+ entityTextPtr += encoding->minBytesPerChar;
+ entityTextEnd -= encoding->minBytesPerChar;
+ internalEnc = ns ? XmlGetInternalEncodingNS() : XmlGetInternalEncoding();
+ for (;;) {
+ const char *next;
+ int tok = XmlEntityValueTok(encoding, entityTextPtr, entityTextEnd, &next);
+ switch (tok) {
+ case XML_TOK_PARAM_ENTITY_REF:
+ eventPtr = entityTextPtr;
+ return XML_ERROR_SYNTAX;
+ case XML_TOK_NONE:
+ if (declEntity) {
+ declEntity->textPtr = pool->start;
+ declEntity->textLen = pool->ptr - pool->start;
+ poolFinish(pool);
+ }
+ else
+ poolDiscard(pool);
+ return XML_ERROR_NONE;
+ case XML_TOK_ENTITY_REF:
+ case XML_TOK_DATA_CHARS:
+ if (!poolAppend(pool, encoding, entityTextPtr, next))
+ return XML_ERROR_NO_MEMORY;
+ break;
+ case XML_TOK_TRAILING_CR:
+ next = entityTextPtr + encoding->minBytesPerChar;
+ /* fall through */
+ case XML_TOK_DATA_NEWLINE:
+ if (pool->end == pool->ptr && !poolGrow(pool))
+ return XML_ERROR_NO_MEMORY;
+ *(pool->ptr)++ = 0xA;
+ break;
+ case XML_TOK_CHAR_REF:
+ {
+ XML_Char buf[XML_ENCODE_MAX];
+ int i;
+ int n = XmlCharRefNumber(encoding, entityTextPtr);
+ if (n < 0) {
+ eventPtr = entityTextPtr;
+ return XML_ERROR_BAD_CHAR_REF;
+ }
+ n = XmlEncode(n, (ICHAR *)buf);
+ if (!n) {
+ eventPtr = entityTextPtr;
+ return XML_ERROR_BAD_CHAR_REF;
+ }
+ for (i = 0; i < n; i++) {
+ if (pool->end == pool->ptr && !poolGrow(pool))
+ return XML_ERROR_NO_MEMORY;
+ *(pool->ptr)++ = buf[i];
+ }
+ }
+ break;
+ case XML_TOK_PARTIAL:
+ eventPtr = entityTextPtr;
+ return XML_ERROR_INVALID_TOKEN;
+ case XML_TOK_INVALID:
+ eventPtr = next;
+ return XML_ERROR_INVALID_TOKEN;
+ default:
+ abort();
+ }
+ entityTextPtr = next;
+ }
+ /* not reached */
+}
+
+static void
+normalizeLines(XML_Char *s)
+{
+ XML_Char *p;
+ for (;; s++) {
+ if (*s == XML_T('\0'))
+ return;
+ if (*s == 0xD)
+ break;
+ }
+ p = s;
+ do {
+ if (*s == 0xD) {
+ *p++ = 0xA;
+ if (*++s == 0xA)
+ s++;
+ }
+ else
+ *p++ = *s++;
+ } while (*s);
+ *p = XML_T('\0');
+}
+
+static int
+reportProcessingInstruction(XML_Parser parser, const ENCODING *enc, const char *start, const char *end)
+{
+ const XML_Char *target;
+ XML_Char *data;
+ const char *tem;
+ if (!processingInstructionHandler) {
+ if (defaultHandler)
+ reportDefault(parser, enc, start, end);
+ return 1;
+ }
+ start += enc->minBytesPerChar * 2;
+ tem = start + XmlNameLength(enc, start);
+ target = poolStoreString(&tempPool, enc, start, tem);
+ if (!target)
+ return 0;
+ poolFinish(&tempPool);
+ data = poolStoreString(&tempPool, enc,
+ XmlSkipS(enc, tem),
+ end - enc->minBytesPerChar*2);
+ if (!data)
+ return 0;
+ normalizeLines(data);
+ processingInstructionHandler(handlerArg, target, data);
+ poolClear(&tempPool);
+ return 1;
+}
+
+static int
+reportComment(XML_Parser parser, const ENCODING *enc, const char *start, const char *end)
+{
+ XML_Char *data;
+ if (!commentHandler) {
+ if (defaultHandler)
+ reportDefault(parser, enc, start, end);
+ return 1;
+ }
+ data = poolStoreString(&tempPool,
+ enc,
+ start + enc->minBytesPerChar * 4,
+ end - enc->minBytesPerChar * 3);
+ if (!data)
+ return 0;
+ normalizeLines(data);
+ commentHandler(handlerArg, data);
+ poolClear(&tempPool);
+ return 1;
+}
+
+static void
+reportDefault(XML_Parser parser, const ENCODING *enc, const char *s, const char *end)
+{
+ if (MUST_CONVERT(enc, s)) {
+ const char **eventPP;
+ const char **eventEndPP;
+ if (enc == encoding) {
+ eventPP = &eventPtr;
+ eventEndPP = &eventEndPtr;
+ }
+ else {
+ eventPP = &(openInternalEntities->internalEventPtr);
+ eventEndPP = &(openInternalEntities->internalEventEndPtr);
+ }
+ do {
+ ICHAR *dataPtr = (ICHAR *)dataBuf;
+ XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd);
+ *eventEndPP = s;
+ defaultHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf);
+ *eventPP = s;
+ } while (s != end);
+ }
+ else
+ defaultHandler(handlerArg, (XML_Char *)s, (XML_Char *)end - (XML_Char *)s);
+}
+
+
+static int
+defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, int isCdata, const XML_Char *value)
+{
+ DEFAULT_ATTRIBUTE *att;
+ if (type->nDefaultAtts == type->allocDefaultAtts) {
+ if (type->allocDefaultAtts == 0) {
+ type->allocDefaultAtts = 8;
+ type->defaultAtts = malloc(type->allocDefaultAtts*sizeof(DEFAULT_ATTRIBUTE));
+ }
+ else {
+ type->allocDefaultAtts *= 2;
+ type->defaultAtts = realloc(type->defaultAtts,
+ type->allocDefaultAtts*sizeof(DEFAULT_ATTRIBUTE));
+ }
+ if (!type->defaultAtts)
+ return 0;
+ }
+ att = type->defaultAtts + type->nDefaultAtts;
+ att->id = attId;
+ att->value = value;
+ att->isCdata = isCdata;
+ if (!isCdata)
+ attId->maybeTokenized = 1;
+ type->nDefaultAtts += 1;
+ return 1;
+}
+
+static int setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *elementType)
+{
+ const XML_Char *name;
+ for (name = elementType->name; *name; name++) {
+ if (*name == XML_T(':')) {
+ PREFIX *prefix;
+ const XML_Char *s;
+ for (s = elementType->name; s != name; s++) {
+ if (!poolAppendChar(&dtd.pool, *s))
+ return 0;
+ }
+ if (!poolAppendChar(&dtd.pool, XML_T('\0')))
+ return 0;
+ prefix = (PREFIX *)lookup(&dtd.prefixes, poolStart(&dtd.pool), sizeof(PREFIX));
+ if (!prefix)
+ return 0;
+ if (prefix->name == poolStart(&dtd.pool))
+ poolFinish(&dtd.pool);
+ else
+ poolDiscard(&dtd.pool);
+ elementType->prefix = prefix;
+
+ }
+ }
+ return 1;
+}
+
+static ATTRIBUTE_ID *
+getAttributeId(XML_Parser parser, const ENCODING *enc, const char *start, const char *end)
+{
+ ATTRIBUTE_ID *id;
+ const XML_Char *name;
+ if (!poolAppendChar(&dtd.pool, XML_T('\0')))
+ return 0;
+ name = poolStoreString(&dtd.pool, enc, start, end);
+ if (!name)
+ return 0;
+ ++name;
+ id = (ATTRIBUTE_ID *)lookup(&dtd.attributeIds, name, sizeof(ATTRIBUTE_ID));
+ if (!id)
+ return 0;
+ if (id->name != name)
+ poolDiscard(&dtd.pool);
+ else {
+ poolFinish(&dtd.pool);
+ if (!ns)
+ ;
+ else if (name[0] == 'x'
+ && name[1] == 'm'
+ && name[2] == 'l'
+ && name[3] == 'n'
+ && name[4] == 's'
+ && (name[5] == XML_T('\0') || name[5] == XML_T(':'))) {
+ if (name[5] == '\0')
+ id->prefix = &dtd.defaultPrefix;
+ else
+ id->prefix = (PREFIX *)lookup(&dtd.prefixes, name + 6, sizeof(PREFIX));
+ id->xmlns = 1;
+ }
+ else {
+ int i;
+ for (i = 0; name[i]; i++) {
+ if (name[i] == XML_T(':')) {
+ int j;
+ for (j = 0; j < i; j++) {
+ if (!poolAppendChar(&dtd.pool, name[j]))
+ return 0;
+ }
+ if (!poolAppendChar(&dtd.pool, XML_T('\0')))
+ return 0;
+ id->prefix = (PREFIX *)lookup(&dtd.prefixes, poolStart(&dtd.pool), sizeof(PREFIX));
+ if (id->prefix->name == poolStart(&dtd.pool))
+ poolFinish(&dtd.pool);
+ else
+ poolDiscard(&dtd.pool);
+ break;
+ }
+ }
+ }
+ }
+ return id;
+}
+
+#define CONTEXT_SEP XML_T('\f')
+
+static
+const XML_Char *getContext(XML_Parser parser)
+{
+ HASH_TABLE_ITER iter;
+ int needSep = 0;
+
+ if (dtd.defaultPrefix.binding) {
+ int i;
+ int len;
+ if (!poolAppendChar(&tempPool, XML_T('=')))
+ return 0;
+ len = dtd.defaultPrefix.binding->uriLen;
+ if (namespaceSeparator != XML_T('\0'))
+ len--;
+ for (i = 0; i < len; i++)
+ if (!poolAppendChar(&tempPool, dtd.defaultPrefix.binding->uri[i]))
+ return 0;
+ needSep = 1;
+ }
+
+ hashTableIterInit(&iter, &(dtd.prefixes));
+ for (;;) {
+ int i;
+ int len;
+ const XML_Char *s;
+ PREFIX *prefix = (PREFIX *)hashTableIterNext(&iter);
+ if (!prefix)
+ break;
+ if (!prefix->binding)
+ continue;
+ if (needSep && !poolAppendChar(&tempPool, CONTEXT_SEP))
+ return 0;
+ for (s = prefix->name; *s; s++)
+ if (!poolAppendChar(&tempPool, *s))
+ return 0;
+ if (!poolAppendChar(&tempPool, XML_T('=')))
+ return 0;
+ len = prefix->binding->uriLen;
+ if (namespaceSeparator != XML_T('\0'))
+ len--;
+ for (i = 0; i < len; i++)
+ if (!poolAppendChar(&tempPool, prefix->binding->uri[i]))
+ return 0;
+ needSep = 1;
+ }
+
+
+ hashTableIterInit(&iter, &(dtd.generalEntities));
+ for (;;) {
+ const XML_Char *s;
+ ENTITY *e = (ENTITY *)hashTableIterNext(&iter);
+ if (!e)
+ break;
+ if (!e->open)
+ continue;
+ if (needSep && !poolAppendChar(&tempPool, CONTEXT_SEP))
+ return 0;
+ for (s = e->name; *s; s++)
+ if (!poolAppendChar(&tempPool, *s))
+ return 0;
+ needSep = 1;
+ }
+
+ if (!poolAppendChar(&tempPool, XML_T('\0')))
+ return 0;
+ return tempPool.start;
+}
+
+static
+void normalizePublicId(XML_Char *publicId)
+{
+ XML_Char *p = publicId;
+ XML_Char *s;
+ for (s = publicId; *s; s++) {
+ switch (*s) {
+ case 0x20:
+ case 0xD:
+ case 0xA:
+ if (p != publicId && p[-1] != 0x20)
+ *p++ = 0x20;
+ break;
+ default:
+ *p++ = *s;
+ }
+ }
+ if (p != publicId && p[-1] == 0x20)
+ --p;
+ *p = XML_T('\0');
+}
+
+static int dtdInit(DTD *p)
+{
+ poolInit(&(p->pool));
+ hashTableInit(&(p->generalEntities));
+ hashTableInit(&(p->elementTypes));
+ hashTableInit(&(p->attributeIds));
+ hashTableInit(&(p->prefixes));
+ p->complete = 1;
+ p->standalone = 0;
+ p->base = 0;
+ p->defaultPrefix.name = 0;
+ p->defaultPrefix.binding = 0;
+ return 1;
+}
+
+static void dtdDestroy(DTD *p)
+{
+ HASH_TABLE_ITER iter;
+ hashTableIterInit(&iter, &(p->elementTypes));
+ for (;;) {
+ ELEMENT_TYPE *e = (ELEMENT_TYPE *)hashTableIterNext(&iter);
+ if (!e)
+ break;
+ if (e->allocDefaultAtts != 0)
+ g_free(e->defaultAtts);
+ }
+ hashTableDestroy(&(p->generalEntities));
+ hashTableDestroy(&(p->elementTypes));
+ hashTableDestroy(&(p->attributeIds));
+ hashTableDestroy(&(p->prefixes));
+ poolDestroy(&(p->pool));
+}
+
+static
+void poolInit(STRING_POOL *pool)
+{
+ pool->blocks = 0;
+ pool->freeBlocks = 0;
+ pool->start = 0;
+ pool->ptr = 0;
+ pool->end = 0;
+}
+
+static
+void poolClear(STRING_POOL *pool)
+{
+ if (!pool->freeBlocks)
+ pool->freeBlocks = pool->blocks;
+ else {
+ BLOCK *p = pool->blocks;
+ while (p) {
+ BLOCK *tem = p->next;
+ p->next = pool->freeBlocks;
+ pool->freeBlocks = p;
+ p = tem;
+ }
+ }
+ pool->blocks = 0;
+ pool->start = 0;
+ pool->ptr = 0;
+ pool->end = 0;
+}
+
+static
+void poolDestroy(STRING_POOL *pool)
+{
+ BLOCK *p = pool->blocks;
+ while (p) {
+ BLOCK *tem = p->next;
+ g_free(p);
+ p = tem;
+ }
+ pool->blocks = 0;
+ p = pool->freeBlocks;
+ while (p) {
+ BLOCK *tem = p->next;
+ g_free(p);
+ p = tem;
+ }
+ pool->freeBlocks = 0;
+ pool->ptr = 0;
+ pool->start = 0;
+ pool->end = 0;
+}
+
+static
+XML_Char *poolAppend(STRING_POOL *pool, const ENCODING *enc,
+ const char *ptr, const char *end)
+{
+ if (!pool->ptr && !poolGrow(pool))
+ return 0;
+ for (;;) {
+ XmlConvert(enc, &ptr, end, (ICHAR **)&(pool->ptr), (ICHAR *)pool->end);
+ if (ptr == end)
+ break;
+ if (!poolGrow(pool))
+ return 0;
+ }
+ return pool->start;
+}
+
+static const XML_Char *poolCopyString(STRING_POOL *pool, const XML_Char *s)
+{
+ do {
+ if (!poolAppendChar(pool, *s))
+ return 0;
+ } while (*s++);
+ s = pool->start;
+ poolFinish(pool);
+ return s;
+}
+
+static
+XML_Char *poolStoreString(STRING_POOL *pool, const ENCODING *enc,
+ const char *ptr, const char *end)
+{
+ if (!poolAppend(pool, enc, ptr, end))
+ return 0;
+ if (pool->ptr == pool->end && !poolGrow(pool))
+ return 0;
+ *(pool->ptr)++ = 0;
+ return pool->start;
+}
+
+static
+int poolGrow(STRING_POOL *pool)
+{
+ if (pool->freeBlocks) {
+ if (pool->start == 0) {
+ pool->blocks = pool->freeBlocks;
+ pool->freeBlocks = pool->freeBlocks->next;
+ pool->blocks->next = 0;
+ pool->start = pool->blocks->s;
+ pool->end = pool->start + pool->blocks->size;
+ pool->ptr = pool->start;
+ return 1;
+ }
+ if (pool->end - pool->start < pool->freeBlocks->size) {
+ BLOCK *tem = pool->freeBlocks->next;
+ pool->freeBlocks->next = pool->blocks;
+ pool->blocks = pool->freeBlocks;
+ pool->freeBlocks = tem;
+ memcpy(pool->blocks->s, pool->start, (pool->end - pool->start) * sizeof(XML_Char));
+ pool->ptr = pool->blocks->s + (pool->ptr - pool->start);
+ pool->start = pool->blocks->s;
+ pool->end = pool->start + pool->blocks->size;
+ return 1;
+ }
+ }
+ if (pool->blocks && pool->start == pool->blocks->s) {
+ int blockSize = (pool->end - pool->start)*2;
+ pool->blocks = realloc(pool->blocks, offsetof(BLOCK, s) + blockSize * sizeof(XML_Char));
+ if (!pool->blocks)
+ return 0;
+ pool->blocks->size = blockSize;
+ pool->ptr = pool->blocks->s + (pool->ptr - pool->start);
+ pool->start = pool->blocks->s;
+ pool->end = pool->start + blockSize;
+ }
+ else {
+ BLOCK *tem;
+ int blockSize = pool->end - pool->start;
+ if (blockSize < INIT_BLOCK_SIZE)
+ blockSize = INIT_BLOCK_SIZE;
+ else
+ blockSize *= 2;
+ tem = malloc(offsetof(BLOCK, s) + blockSize * sizeof(XML_Char));
+ if (!tem)
+ return 0;
+ tem->size = blockSize;
+ tem->next = pool->blocks;
+ pool->blocks = tem;
+ memcpy(tem->s, pool->start, (pool->ptr - pool->start) * sizeof(XML_Char));
+ pool->ptr = tem->s + (pool->ptr - pool->start);
+ pool->start = tem->s;
+ pool->end = tem->s + blockSize;
+ }
+ return 1;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 10:24:00 +0000