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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:36 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:36 -0800
commit6eb364108744656fcd23a96a478aa772cd4e85bc (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src/ports/SkXMLPullParser_expat.cpp
parenta23c4e24d873b11674987f97f1946e1c4d97e782 (diff)
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'src/ports/SkXMLPullParser_expat.cpp')
-rw-r--r--src/ports/SkXMLPullParser_expat.cpp222
1 files changed, 0 insertions, 222 deletions
diff --git a/src/ports/SkXMLPullParser_expat.cpp b/src/ports/SkXMLPullParser_expat.cpp
deleted file mode 100644
index 949c7a9..0000000
--- a/src/ports/SkXMLPullParser_expat.cpp
+++ /dev/null
@@ -1,222 +0,0 @@
-/* libs/graphics/ports/SkXMLParser_expat.cpp
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#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->read(NULL, 0);
- 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.reuse();
-
- 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;
-}
-