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Bug 1374012 - Update to Expat 2.2.1. Part 4: removing mainlined customisations and merge whitespace changes. r=erahm 

Differential Revision: https://phabricator.services.mozilla.com/D14443

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Peter Van der Beken 2018-12-27 15:13:13 +00:00
Родитель 650f9e44c2
Коммит cc52d0e9e6
4 изменённых файлов: 62 добавлений и 76 удалений
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21
parser/expat/lib/expat.h
Просмотреть файл

@ -706,6 +706,7 @@ XML_UseParserAsHandlerArg(XML_Parser parser);
be called, despite an external subset being parsed.
Note: If XML_DTD is not defined when Expat is compiled, returns
XML_ERROR_FEATURE_REQUIRES_XML_DTD.
Note: If parser == NULL, returns XML_ERROR_INVALID_ARGUMENT.
*/
XMLPARSEAPI(enum XML_Error)
XML_UseForeignDTD(XML_Parser parser, XML_Bool useDTD);
@ -729,15 +730,16 @@ XML_GetBase(XML_Parser parser);
to the XML_StartElementHandler that were specified in the start-tag
rather than defaulted. Each attribute/value pair counts as 2; thus
this correspondds to an index into the atts array passed to the
XML_StartElementHandler.
XML_StartElementHandler. Returns -1 if parser == NULL.
*/
XMLPARSEAPI(int)
XML_GetSpecifiedAttributeCount(XML_Parser parser);
/* Returns the index of the ID attribute passed in the last call to
XML_StartElementHandler, or -1 if there is no ID attribute. Each
attribute/value pair counts as 2; thus this correspondds to an
index into the atts array passed to the XML_StartElementHandler.
XML_StartElementHandler, or -1 if there is no ID attribute or
parser == NULL. Each attribute/value pair counts as 2; thus this
correspondds to an index into the atts array passed to the
XML_StartElementHandler.
*/
XMLPARSEAPI(int)
XML_GetIdAttributeIndex(XML_Parser parser);
@ -878,6 +880,7 @@ enum XML_ParamEntityParsing {
entities is requested; otherwise it will return non-zero.
Note: If XML_SetParamEntityParsing is called after XML_Parse or
XML_ParseBuffer, then it has no effect and will always return 0.
Note: If parser == NULL, the function will do nothing and return 0.
*/
XMLPARSEAPI(int)
XML_SetParamEntityParsing(XML_Parser parser,
@ -914,6 +917,10 @@ XML_GetErrorCode(XML_Parser parser);
the location is the location of the character at which the error
was detected; otherwise the location is the location of the last
parse event, as described above.
Note: XML_GetCurrentLineNumber and XML_GetCurrentColumnNumber
return 0 to indicate an error.
Note: XML_GetCurrentByteIndex returns -1 to indicate an error.
*/
XMLPARSEAPI(XML_Size) XML_GetCurrentLineNumber(XML_Parser parser);
XMLPARSEAPI(XML_Size) XML_GetCurrentColumnNumber(XML_Parser parser);
@ -1007,10 +1014,8 @@ XMLPARSEAPI(const XML_Feature *)
XML_GetFeatureList(void);
/* Expat follows the GNU/Linux convention of odd number minor version for
beta/development releases and even number minor version for stable
releases. Micro is bumped with each release, and set to 0 with each
change to major or minor version.
/* Expat follows the semantic versioning convention.
See http://semver.org.
*/
#define XML_MAJOR_VERSION 2
#define XML_MINOR_VERSION 0

2
parser/expat/lib/internal.h
Просмотреть файл

@ -16,7 +16,7 @@
inline - Used for selected internal functions for which inlining
may improve performance on some platforms.
Note: Use of these macros is based on judgment, not hard rules,
Note: Use of these macros is based on judgement, not hard rules,
and therefore subject to change.
*/

111
parser/expat/lib/xmlparse.c
Просмотреть файл

@ -1,5 +1,7 @@
/* Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center Ltd
See the file COPYING for copying permission.
77fea421d361dca90041d0040ecf1dca651167fadf2af79e990e35168d70d933 (2.2.1+)
*/
#define _GNU_SOURCE /* syscall prototype */
@ -40,7 +42,6 @@
#define XmlGetInternalEncoding XmlGetUtf16InternalEncoding
#define XmlGetInternalEncodingNS XmlGetUtf16InternalEncodingNS
#define XmlEncode XmlUtf16Encode
/* Using pointer subtraction to convert to integer type. */
#define MUST_CONVERT(enc, s) (!(enc)->isUtf16 || (((char *)(s) - (char *)NULL) & 1))
typedef unsigned short ICHAR;
@ -341,15 +342,15 @@ processXmlDecl(XML_Parser parser, int isGeneralTextEntity,
static enum XML_Error
initializeEncoding(XML_Parser parser);
static enum XML_Error
doProlog(XML_Parser parser, const ENCODING *enc, const char *s,
const char *end, int tok, const char *next, const char **nextPtr,
doProlog(XML_Parser parser, const ENCODING *enc, const char *s,
const char *end, int tok, const char *next, const char **nextPtr,
XML_Bool haveMore);
static enum XML_Error
processInternalEntity(XML_Parser parser, ENTITY *entity,
processInternalEntity(XML_Parser parser, ENTITY *entity,
XML_Bool betweenDecl);
static enum XML_Error
doContent(XML_Parser parser, int startTagLevel, const ENCODING *enc,
const char *start, const char *end, const char **endPtr,
const char *start, const char *end, const char **endPtr,
XML_Bool haveMore);
static enum XML_Error
doCdataSection(XML_Parser parser, const ENCODING *, const char **startPtr,
@ -367,7 +368,7 @@ static enum XML_Error
addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
const XML_Char *uri, BINDING **bindingsPtr);
static int
defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *, XML_Bool isCdata,
defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *, XML_Bool isCdata,
XML_Bool isId, const XML_Char *dfltValue, XML_Parser parser);
static enum XML_Error
storeAttributeValue(XML_Parser parser, const ENCODING *, XML_Bool isCdata,
@ -456,6 +457,7 @@ parserCreate(const XML_Char *encodingName,
const XML_Memory_Handling_Suite *memsuite,
const XML_Char *nameSep,
DTD *dtd);
static void
parserInit(XML_Parser parser, const XML_Char *encodingName);
@ -1717,7 +1719,7 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
XmlUpdatePosition(encoding, positionPtr, bufferPtr, &position);
positionPtr = bufferPtr;
return XML_STATUS_SUSPENDED;
case XML_INITIALIZED:
case XML_INITIALIZED:
case XML_PARSING:
ps_parsing = XML_FINISHED;
/* fall through */
@ -1733,9 +1735,7 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
else if (bufferPtr == bufferEnd) {
const char *end;
int nLeftOver;
/* BEGIN MOZILLA CHANGE (|result| has type XML_Status, not XML_Error) */
enum XML_Status result;
/* END MOZILLA CHANGE */
/* Detect overflow (a+b > MAX <==> b > MAX-a) */
/* BEGIN MOZILLA CHANGE (len is signed, trying to compare it to an unsigned value) */
#if 0
@ -1767,14 +1767,6 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
break;
case XML_INITIALIZED:
case XML_PARSING:
/* BEGIN MOZILLA CHANGE (always initialize result) */
#if 0
result = XML_STATUS_OK;
if (isFinal) {
ps_parsing = XML_FINISHED;
return result;
}
#else
if (isFinal) {
ps_parsing = XML_FINISHED;
return XML_STATUS_OK;
@ -1782,8 +1774,6 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
/* fall through */
default:
result = XML_STATUS_OK;
#endif
/* END MOZILLA CHANGE */
}
}
@ -1871,7 +1861,7 @@ XML_ParseBuffer(XML_Parser parser, int len, int isFinal)
case XML_SUSPENDED:
result = XML_STATUS_SUSPENDED;
break;
case XML_INITIALIZED:
case XML_INITIALIZED:
case XML_PARSING:
if (isFinal) {
ps_parsing = XML_FINISHED;
@ -1889,12 +1879,10 @@ XML_ParseBuffer(XML_Parser parser, int len, int isFinal)
void * XMLCALL
XML_GetBuffer(XML_Parser parser, int len)
{
/* BEGIN MOZILLA CHANGE (sanity check len) */
if (len < 0) {
errorCode = XML_ERROR_NO_MEMORY;
return NULL;
}
/* END MOZILLA CHANGE */
switch (ps_parsing) {
case XML_SUSPENDED:
errorCode = XML_ERROR_SUSPENDED;
@ -1908,12 +1896,10 @@ XML_GetBuffer(XML_Parser parser, int len)
if (len > bufferLim - bufferEnd) {
/* Do not invoke signed arithmetic overflow: */
int neededSize = (int) ((unsigned)len + (unsigned)(bufferEnd - bufferPtr));
/* BEGIN MOZILLA CHANGE (sanity check neededSize) */
if (neededSize < 0) {
errorCode = XML_ERROR_NO_MEMORY;
return NULL;
}
/* END MOZILLA CHANGE */
#ifdef XML_CONTEXT_BYTES
int keep = (int)(bufferPtr - buffer);
@ -1943,15 +1929,11 @@ XML_GetBuffer(XML_Parser parser, int len)
do {
/* Do not invoke signed arithmetic overflow: */
bufferSize = (int) (2U * (unsigned) bufferSize);
/* BEGIN MOZILLA CHANGE (prevent infinite loop on overflow) */
} while (bufferSize < neededSize && bufferSize > 0);
/* END MOZILLA CHANGE */
/* BEGIN MOZILLA CHANGE (sanity check bufferSize) */
if (bufferSize <= 0) {
errorCode = XML_ERROR_NO_MEMORY;
return NULL;
}
/* END MOZILLA CHANGE */
newBuf = (char *)MALLOC(bufferSize);
if (newBuf == 0) {
errorCode = XML_ERROR_NO_MEMORY;
@ -2039,7 +2021,7 @@ XML_ResumeParser(XML_Parser parser)
case XML_SUSPENDED:
result = XML_STATUS_SUSPENDED;
break;
case XML_INITIALIZED:
case XML_INITIALIZED:
case XML_PARSING:
if (ps_finalBuffer) {
ps_parsing = XML_FINISHED;
@ -2301,7 +2283,7 @@ contentProcessor(XML_Parser parser,
const char *end,
const char **endPtr)
{
enum XML_Error result = doContent(parser, 0, encoding, start, end,
enum XML_Error result = doContent(parser, 0, encoding, start, end,
endPtr, (XML_Bool)!ps_finalBuffer);
if (result == XML_ERROR_NONE) {
if (!storeRawNames(parser))
@ -2383,7 +2365,7 @@ externalEntityInitProcessor3(XML_Parser parser,
if (result != XML_ERROR_NONE)
return result;
switch (ps_parsing) {
case XML_SUSPENDED:
case XML_SUSPENDED:
*endPtr = next;
return XML_ERROR_NONE;
case XML_FINISHED:
@ -2417,7 +2399,7 @@ externalEntityContentProcessor(XML_Parser parser,
const char *end,
const char **endPtr)
{
enum XML_Error result = doContent(parser, 1, encoding, start, end,
enum XML_Error result = doContent(parser, 1, encoding, start, end,
endPtr, (XML_Bool)!ps_finalBuffer);
if (result == XML_ERROR_NONE) {
if (!storeRawNames(parser))
@ -2436,7 +2418,7 @@ doContent(XML_Parser parser,
XML_Bool haveMore)
{
/* save one level of indirection */
DTD * const dtd = _dtd;
DTD * const dtd = _dtd;
const char **eventPP;
const char **eventEndPP;
@ -2467,8 +2449,8 @@ doContent(XML_Parser parser,
}
else if (defaultHandler)
reportDefault(parser, enc, s, end);
/* We are at the end of the final buffer, should we check for
XML_SUSPENDED, XML_FINISHED?
/* We are at the end of the final buffer, should we check for
XML_SUSPENDED, XML_FINISHED?
*/
if (startTagLevel == 0)
return XML_ERROR_NO_ELEMENTS;
@ -2848,8 +2830,8 @@ doContent(XML_Parser parser,
}
else if (defaultHandler)
reportDefault(parser, enc, s, end);
/* We are at the end of the final buffer, should we check for
XML_SUSPENDED, XML_FINISHED?
/* We are at the end of the final buffer, should we check for
XML_SUSPENDED, XML_FINISHED?
*/
if (startTagLevel == 0) {
*eventPP = end;
@ -2898,7 +2880,7 @@ doContent(XML_Parser parser,
}
*eventPP = s = next;
switch (ps_parsing) {
case XML_SUSPENDED:
case XML_SUSPENDED:
*nextPtr = next;
return XML_ERROR_NONE;
case XML_FINISHED:
@ -3154,7 +3136,6 @@ storeAtts(XML_Parser parser, const ENCODING *enc,
if (!b)
return XML_ERROR_UNBOUND_PREFIX;
/* as we expand the name we also calculate its hash value */
for (j = 0; j < b->uriLen; j++) {
const XML_Char c = b->uri[j];
if (!poolAppendChar(&tempPool, c))
@ -3353,20 +3334,20 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
'X', 'M', 'L', '/', '1', '9', '9', '8', '/',
'n', 'a', 'm', 'e', 's', 'p', 'a', 'c', 'e', '\0'
};
static const int xmlLen =
static const int xmlLen =
(int)sizeof(xmlNamespace)/sizeof(XML_Char) - 1;
static const XML_Char xmlnsNamespace[] = {
'h', 't', 't', 'p', ':', '/', '/',
'w', 'w', 'w', '.', 'w', '3', '.', 'o', 'r', 'g', '/',
'2', '0', '0', '0', '/', 'x', 'm', 'l', 'n', 's', '/', '\0'
};
static const int xmlnsLen =
static const int xmlnsLen =
(int)sizeof(xmlnsNamespace)/sizeof(XML_Char) - 1;
XML_Bool mustBeXML = XML_FALSE;
XML_Bool isXML = XML_TRUE;
XML_Bool isXMLNS = XML_TRUE;
BINDING *b;
int len;
@ -3393,7 +3374,7 @@ addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId,
if (isXML && (len > xmlLen || uri[len] != xmlNamespace[len]))
isXML = XML_FALSE;
if (!mustBeXML && isXMLNS
if (!mustBeXML && isXMLNS
&& (len > xmlnsLen || uri[len] != xmlnsNamespace[len]))
isXMLNS = XML_FALSE;
}
@ -3601,7 +3582,7 @@ ignoreSectionProcessor(XML_Parser parser,
const char *end,
const char **endPtr)
{
enum XML_Error result = doIgnoreSection(parser, encoding, &start, end,
enum XML_Error result = doIgnoreSection(parser, encoding, &start, end,
endPtr, (XML_Bool)!ps_finalBuffer);
if (result != XML_ERROR_NONE)
return result;
@ -3883,7 +3864,7 @@ entityValueInitProcessor(XML_Parser parser,
const char *next = start;
eventPtr = start;
for (;;) {
for (;;) {
tok = XmlPrologTok(encoding, start, end, &next);
eventEndPtr = next;
if (tok <= 0) {
@ -3911,7 +3892,7 @@ entityValueInitProcessor(XML_Parser parser,
if (result != XML_ERROR_NONE)
return result;
switch (ps_parsing) {
case XML_SUSPENDED:
case XML_SUSPENDED:
*nextPtr = next;
return XML_ERROR_NONE;
case XML_FINISHED:
@ -3984,7 +3965,7 @@ externalParEntProcessor(XML_Parser parser,
}
processor = prologProcessor;
return doProlog(parser, encoding, s, end, tok, next,
return doProlog(parser, encoding, s, end, tok, next,
nextPtr, (XML_Bool)!ps_finalBuffer);
}
@ -4034,7 +4015,7 @@ prologProcessor(XML_Parser parser,
{
const char *next = s;
int tok = XmlPrologTok(encoding, s, end, &next);
return doProlog(parser, encoding, s, end, tok, next,
return doProlog(parser, encoding, s, end, tok, next,
nextPtr, (XML_Bool)!ps_finalBuffer);
}
@ -4068,7 +4049,7 @@ doProlog(XML_Parser parser,
static const XML_Char enumValueStart[] = { '(', '\0' };
/* save one level of indirection */
DTD * const dtd = _dtd;
DTD * const dtd = _dtd;
const char **eventPP;
const char **eventEndPP;
@ -4244,8 +4225,8 @@ doProlog(XML_Parser parser,
entity->publicId))
return XML_ERROR_EXTERNAL_ENTITY_HANDLING;
if (dtd->paramEntityRead) {
if (!dtd->standalone &&
notStandaloneHandler &&
if (!dtd->standalone &&
notStandaloneHandler &&
!notStandaloneHandler(handlerArg))
return XML_ERROR_NOT_STANDALONE;
}
@ -4684,7 +4665,7 @@ doProlog(XML_Parser parser,
switch (tok) {
case XML_TOK_PARAM_ENTITY_REF:
/* PE references in internal subset are
not allowed within declarations. */
not allowed within declarations. */
return XML_ERROR_PARAM_ENTITY_REF;
case XML_TOK_XML_DECL:
return XML_ERROR_MISPLACED_XML_PI;
@ -4805,7 +4786,7 @@ doProlog(XML_Parser parser,
return XML_ERROR_RECURSIVE_ENTITY_REF;
if (entity->textPtr) {
enum XML_Error result;
XML_Bool betweenDecl =
XML_Bool betweenDecl =
(role == XML_ROLE_PARAM_ENTITY_REF ? XML_TRUE : XML_FALSE);
result = processInternalEntity(parser, entity, betweenDecl);
if (result != XML_ERROR_NONE)
@ -5006,7 +4987,7 @@ doProlog(XML_Parser parser,
reportDefault(parser, enc, s, next);
switch (ps_parsing) {
case XML_SUSPENDED:
case XML_SUSPENDED:
*nextPtr = next;
return XML_ERROR_NONE;
case XML_FINISHED:
@ -5076,7 +5057,7 @@ epilogProcessor(XML_Parser parser,
}
eventPtr = s = next;
switch (ps_parsing) {
case XML_SUSPENDED:
case XML_SUSPENDED:
*nextPtr = next;
return XML_ERROR_NONE;
case XML_FINISHED:
@ -5119,12 +5100,12 @@ processInternalEntity(XML_Parser parser, ENTITY *entity,
#ifdef XML_DTD
if (entity->is_param) {
int tok = XmlPrologTok(internalEncoding, textStart, textEnd, &next);
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
next, &next, XML_FALSE);
}
else
else
#endif /* XML_DTD */
result = doContent(parser, tagLevel, internalEncoding, textStart,
result = doContent(parser, tagLevel, internalEncoding, textStart,
textEnd, &next, XML_FALSE);
if (result == XML_ERROR_NONE) {
@ -5186,13 +5167,13 @@ internalEntityProcessor(XML_Parser parser,
#ifdef XML_DTD
if (entity->is_param) {
int tok = XmlPrologTok(internalEncoding, textStart, textEnd, &next);
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
next, &next, XML_FALSE);
}
else
#endif /* XML_DTD */
result = doContent(parser, openEntity->startTagLevel, internalEncoding,
textStart, textEnd, &next, XML_FALSE);
result = doContent(parser, openEntity->startTagLevel, internalEncoding,
textStart, textEnd, &next, XML_FALSE);
if (result != XML_ERROR_NONE)
return result;
@ -5213,7 +5194,7 @@ internalEntityProcessor(XML_Parser parser,
int tok;
processor = prologProcessor;
tok = XmlPrologTok(encoding, s, end, &next);
return doProlog(parser, encoding, s, end, tok, next, nextPtr,
return doProlog(parser, encoding, s, end, tok, next, nextPtr,
(XML_Bool)!ps_finalBuffer);
}
else
@ -5222,8 +5203,8 @@ internalEntityProcessor(XML_Parser parser,
processor = contentProcessor;
/* see externalEntityContentProcessor vs contentProcessor */
return doContent(parser, parentParser ? 1 : 0, encoding, s, end,
nextPtr, (XML_Bool)!ps_finalBuffer);
}
nextPtr, (XML_Bool)!ps_finalBuffer);
}
}
static enum XML_Error PTRCALL
@ -5382,7 +5363,7 @@ appendAttributeValue(XML_Parser parser, const ENCODING *enc, XML_Bool isCdata,
if (!entity->textPtr) {
if (enc == encoding)
eventPtr = ptr;
return XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF;
return XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF;
}
else {
enum XML_Error result;

4
parser/expat/lib/xmltok.c
Просмотреть файл

@ -1350,7 +1350,7 @@ unknown_toUtf16(const ENCODING *enc,
ENCODING *
XmlInitUnknownEncoding(void *mem,
int *table,
CONVERTER convert,
CONVERTER convert,
void *userData)
{
int i;
@ -1640,7 +1640,7 @@ initScan(const ENCODING * const *encodingTable,
ENCODING *
XmlInitUnknownEncodingNS(void *mem,
int *table,
CONVERTER convert,
CONVERTER convert,
void *userData)
{
ENCODING *enc = XmlInitUnknownEncoding(mem, table, convert, userData);