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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkXMLParser.h"
#include "SkStream.h"
static void reset(SkXMLPullParser::Curr* curr)
{
curr->fEventType = SkXMLPullParser::ERROR;
curr->fName = "";
curr->fAttrInfoCount = 0;
curr->fIsWhitespace = false;
}
SkXMLPullParser::SkXMLPullParser() : fStream(nullptr)
{
fCurr.fEventType = ERROR;
fDepth = -1;
}
SkXMLPullParser::SkXMLPullParser(SkStream* stream) : fStream(nullptr)
{
fCurr.fEventType = ERROR;
fDepth = 0;
this->setStream(stream);
}
SkXMLPullParser::~SkXMLPullParser()
{
this->setStream(nullptr);
}
SkStream* SkXMLPullParser::setStream(SkStream* stream)
{
if (fStream && !stream)
this->onExit();
SkRefCnt_SafeAssign(fStream, stream);
if (fStream)
{
fCurr.fEventType = START_DOCUMENT;
this->onInit();
}
else
{
fCurr.fEventType = ERROR;
}
fDepth = 0;
return fStream;
}
SkXMLPullParser::EventType SkXMLPullParser::nextToken()
{
switch (fCurr.fEventType) {
case ERROR:
case END_DOCUMENT:
break;
case END_TAG:
fDepth -= 1;
// fall through
default:
reset(&fCurr);
fCurr.fEventType = this->onNextToken();
break;
}
switch (fCurr.fEventType) {
case START_TAG:
fDepth += 1;
break;
default:
break;
}
return fCurr.fEventType;
}
const char* SkXMLPullParser::getName()
{
switch (fCurr.fEventType) {
case START_TAG:
case END_TAG:
return fCurr.fName;
default:
return nullptr;
}
}
const char* SkXMLPullParser::getText()
{
switch (fCurr.fEventType) {
case TEXT:
case IGNORABLE_WHITESPACE:
return fCurr.fName;
default:
return nullptr;
}
}
bool SkXMLPullParser::isWhitespace()
{
switch (fCurr.fEventType) {
case IGNORABLE_WHITESPACE:
return true;
case TEXT:
case CDSECT:
return fCurr.fIsWhitespace;
default:
return false; // unknown/illegal
}
}
int SkXMLPullParser::getAttributeCount()
{
return fCurr.fAttrInfoCount;
}
void SkXMLPullParser::getAttributeInfo(int index, AttrInfo* info)
{
SkASSERT((unsigned)index < (unsigned)fCurr.fAttrInfoCount);
if (info)
*info = fCurr.fAttrInfos[index];
}
bool SkXMLPullParser::onEntityReplacement(const char name[],
SkString* replacement)
{
// TODO: std 5 entities here
return false;
}
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