diff options
Diffstat (limited to 'chromium/third_party/skia/src/ports/SkXMLPullParser_expat.cpp')
| -rw-r--r-- | chromium/third_party/skia/src/ports/SkXMLPullParser_expat.cpp | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/chromium/third_party/skia/src/ports/SkXMLPullParser_expat.cpp b/chromium/third_party/skia/src/ports/SkXMLPullParser_expat.cpp deleted file mode 100644 index 44a3c7f81ea..00000000000 --- a/chromium/third_party/skia/src/ports/SkXMLPullParser_expat.cpp +++ /dev/null @@ -1,213 +0,0 @@ - -/* - * Copyright 2006 The Android Open Source Project - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - - -#include "SkXMLParser.h" -#include "SkChunkAlloc.h" -#include "SkString.h" -#include "SkStream.h" - -#include "expat.h" - -static inline char* dupstr(SkChunkAlloc& chunk, const char src[], size_t len) -{ - SkASSERT(src); - char* dst = (char*)chunk.alloc(len + 1, SkChunkAlloc::kThrow_AllocFailType); - - memcpy(dst, src, len); - dst[len] = 0; - return dst; -} - -static inline int count_pairs(const char** p) -{ - const char** start = p; - while (*p) - { - SkASSERT(p[1] != NULL); - p += 2; - } - return (p - start) >> 1; -} - -struct Data { - Data() : fAlloc(2048), fState(NORMAL) {} - - XML_Parser fParser; - SkXMLPullParser::Curr* fCurr; - SkChunkAlloc fAlloc; - - enum State { - NORMAL, - MISSED_START_TAG, - RETURN_END_TAG - }; - State fState; - const char* fEndTag; // if state is RETURN_END_TAG -}; - -static void XMLCALL start_proc(void *data, const char *el, const char **attr) -{ - Data* p = (Data*)data; - SkXMLPullParser::Curr* c = p->fCurr; - SkChunkAlloc& alloc = p->fAlloc; - - c->fName = dupstr(alloc, el, strlen(el)); - - int n = count_pairs(attr); - SkXMLPullParser::AttrInfo* info = (SkXMLPullParser::AttrInfo*)alloc.alloc(n * sizeof(SkXMLPullParser::AttrInfo), - SkChunkAlloc::kThrow_AllocFailType); - c->fAttrInfoCount = n; - c->fAttrInfos = info; - - for (int i = 0; i < n; i++) - { - info[i].fName = dupstr(alloc, attr[0], strlen(attr[0])); - info[i].fValue = dupstr(alloc, attr[1], strlen(attr[1])); - attr += 2; - } - - c->fEventType = SkXMLPullParser::START_TAG; - XML_StopParser(p->fParser, true); -} - -static void XMLCALL end_proc(void *data, const char *el) -{ - Data* p = (Data*)data; - SkXMLPullParser::Curr* c = p->fCurr; - - if (c->fEventType == SkXMLPullParser::START_TAG) - { - /* if we get here, we were called with a start_tag immediately - followed by this end_tag. The caller will only see the end_tag, - so we set a flag to notify them of the missed start_tag - */ - p->fState = Data::MISSED_START_TAG; - - SkASSERT(c->fName != NULL); - SkASSERT(strcmp(c->fName, el) == 0); - } - else - c->fName = dupstr(p->fAlloc, el, strlen(el)); - - c->fEventType = SkXMLPullParser::END_TAG; - XML_StopParser(p->fParser, true); -} - -#include <ctype.h> - -static bool isws(const char s[]) -{ - for (; *s; s++) - if (!isspace(*s)) - return false; - return true; -} - -static void XMLCALL text_proc(void* data, const char* text, int len) -{ - Data* p = (Data*)data; - SkXMLPullParser::Curr* c = p->fCurr; - - c->fName = dupstr(p->fAlloc, text, len); - c->fIsWhitespace = isws(c->fName); - - c->fEventType = SkXMLPullParser::TEXT; - XML_StopParser(p->fParser, true); -} - -////////////////////////////////////////////////////////////////////////// - -struct SkXMLPullParser::Impl { - Data fData; - void* fBuffer; - size_t fBufferLen; -}; - -static void reportError(XML_Parser parser) -{ - XML_Error code = XML_GetErrorCode(parser); - int lineNumber = XML_GetCurrentLineNumber(parser); - const char* msg = XML_ErrorString(code); - - printf("-------- XML error [%d] on line %d, %s\n", code, lineNumber, msg); -} - -bool SkXMLPullParser::onInit() -{ - fImpl = new Impl; - - XML_Parser p = XML_ParserCreate(NULL); - SkASSERT(p); - - fImpl->fData.fParser = p; - fImpl->fData.fCurr = &fCurr; - - XML_SetElementHandler(p, start_proc, end_proc); - XML_SetCharacterDataHandler(p, text_proc); - XML_SetUserData(p, &fImpl->fData); - - size_t len = fStream->getLength(); - fImpl->fBufferLen = len; - fImpl->fBuffer = sk_malloc_throw(len); - fStream->rewind(); - size_t len2 = fStream->read(fImpl->fBuffer, len); - return len2 == len; -} - -void SkXMLPullParser::onExit() -{ - sk_free(fImpl->fBuffer); - XML_ParserFree(fImpl->fData.fParser); - delete fImpl; - fImpl = NULL; -} - -SkXMLPullParser::EventType SkXMLPullParser::onNextToken() -{ - if (Data::RETURN_END_TAG == fImpl->fData.fState) - { - fImpl->fData.fState = Data::NORMAL; - fCurr.fName = fImpl->fData.fEndTag; // restore name from (below) save - return SkXMLPullParser::END_TAG; - } - - fImpl->fData.fAlloc.reset(); - - XML_Parser p = fImpl->fData.fParser; - XML_Status status; - - status = XML_ResumeParser(p); - -CHECK_STATUS: - switch (status) { - case XML_STATUS_OK: - return SkXMLPullParser::END_DOCUMENT; - - case XML_STATUS_ERROR: - if (XML_GetErrorCode(p) != XML_ERROR_NOT_SUSPENDED) - { - reportError(p); - return SkXMLPullParser::ERROR; - } - status = XML_Parse(p, (const char*)fImpl->fBuffer, fImpl->fBufferLen, true); - goto CHECK_STATUS; - - case XML_STATUS_SUSPENDED: - if (Data::MISSED_START_TAG == fImpl->fData.fState) - { - // return a start_tag, and clear the flag so we return end_tag next - SkASSERT(SkXMLPullParser::END_TAG == fCurr.fEventType); - fImpl->fData.fState = Data::RETURN_END_TAG; - fImpl->fData.fEndTag = fCurr.fName; // save this pointer - return SkXMLPullParser::START_TAG; - } - break; - } - return fCurr.fEventType; -} |