}
public Page parse(SitemeshBuffer buffer) throws IOException
{
CharArrayReader reader = new CharArrayReader(buffer.getCharArray(), 0, buffer.getBufferLength());
CharArray _buffer = new CharArray(4096);
CharArray _body = new CharArray(4096);
CharArray _head = new CharArray(512);
CharArray _title = new CharArray(128);
Map _htmlProperties = null;
Map _metaProperties = new HashMap(6);
Map _sitemeshProperties = new HashMap(6);
Map _bodyProperties = null;
CharArray _currentTaggedContent = new CharArray(1024);
String _contentTagId = null;
boolean tagged = false;
boolean _frameSet = false;
int _state = STATE_TEXT;
int _tokenType = TOKEN_NONE;
int _pushBack = 0;
int _comment = 0;
int _quote = 0;
boolean hide = false;
int state = TAG_STATE_NONE;
int laststate = TAG_STATE_NONE;
boolean doneTitle = false;
// This tag object gets reused each iteration.
Tag tagObject = new Tag();
while (_tokenType != TOKEN_EOF)
{
if(tagged)
{
if(_tokenType == TOKEN_TAG || _tokenType == TOKEN_EMPTYTAG)
{
if(_buffer==null || _buffer.length()==0)
{
_tokenType=TOKEN_NONE;
continue;
}
if (parseTag(tagObject, _buffer) == null) continue;
if (_buffer.compareLowerSubstr("/content")) // Note that the '/' survives the | 32 operation
{
tagged = false;
if(_contentTagId != null)
{
state = TAG_STATE_NONE;
_sitemeshProperties.put(_contentTagId, _currentTaggedContent.toString());
_currentTaggedContent.setLength(0);
_contentTagId = null;
}
}
else
{
_currentTaggedContent.append('<').append(_buffer).append('>');
}
}
else
{
if(_buffer.length() > 0) _currentTaggedContent.append(_buffer);
}
}
else
{
if(_tokenType == TOKEN_TAG || _tokenType == TOKEN_EMPTYTAG)
{
if(_buffer==null || _buffer.length()==0)
{
_tokenType=TOKEN_NONE;
continue;
}
if(parseTag(tagObject, _buffer) == null) {
_tokenType=TOKEN_TEXT;
continue;
}
int tagHash = _buffer.substrHashCode();
if(state == TAG_STATE_XML || state == TAG_STATE_XMP)
{
writeTag(state, laststate, hide, _head, _buffer, _body);
if( (state == TAG_STATE_XML && tagHash == SLASH_XML_HASH)
||(state == TAG_STATE_XMP && tagHash == SLASH_XMP_HASH) )
{
state = laststate;
}
}
else
{
boolean doDefault = false;
switch (tagHash) {
case HTML_HASH:
if (!_buffer.compareLowerSubstr("html")) { // skip any accidental hash collisions
doDefault = true;
break;
}
state = TAG_STATE_HTML;
_htmlProperties = parseProperties(tagObject, _buffer).properties;
break;
case HEAD_HASH:
if (!_buffer.compareLowerSubstr("head")) { // skip any accidental hash collisions
doDefault = true;
break;
}
state = TAG_STATE_HEAD;
break;
case XML_HASH:
if (!_buffer.compareLowerSubstr("xml")) { // skip any accidental hash collisions
doDefault = true;
break;
}
laststate = state;
writeTag(state, laststate, hide, _head, _buffer, _body);
state = TAG_STATE_XML;
break;
case XMP_HASH:
if (!_buffer.compareLowerSubstr("xmp")) { // skip any accidental hash collisions
doDefault = true;
break;
}
laststate = state;
writeTag(state, laststate, hide, _head, _buffer, _body);
state = TAG_STATE_XMP;
break;
case TITLE_HASH:
if (!_buffer.compareLowerSubstr("title")) { // skip any accidental hash collisions
doDefault = true;
break;
}
if (doneTitle)
{
hide = true;
}
else
{
laststate = state;
state = TAG_STATE_TITLE;
}
break;
case SLASH_TITLE_HASH:
if (!_buffer.compareLowerSubstr("/title")) { // skip any accidental hash collisions
doDefault = true;
break;
}
if (doneTitle)
{
hide = false;
}
else
{
doneTitle = true;
state = laststate;
}
break;
case PARAMETER_HASH:
if (!_buffer.compareLowerSubstr("parameter")) { // skip any accidental hash collisions
doDefault = true;
break;
}
parseProperties(tagObject, _buffer);
String name = (String) tagObject.properties.get("name");
String value = (String) tagObject.properties.get("value");
if (name != null && value != null)
{
_sitemeshProperties.put(name, value);
}
break;
case META_HASH:
if (!_buffer.compareLowerSubstr("meta")) { // skip any accidental hash collisions
doDefault = true;
break;
}
CharArray metaDestination = state == TAG_STATE_HEAD ? _head : _body;
metaDestination.append('<');
metaDestination.append(_buffer);
metaDestination.append('>');
parseProperties(tagObject, _buffer);
name = (String) tagObject.properties.get("name");
value = (String) tagObject.properties.get("content");
if (name == null)
{
String httpEquiv = (String) tagObject.properties.get("http-equiv");
if (httpEquiv != null)
{
name = "http-equiv." + httpEquiv;
}
}
if (name != null && value != null)
{
_metaProperties.put(name, value);
}
break;
case SLASH_HEAD_HASH:
if (!_buffer.compareLowerSubstr("/head")) { // skip any accidental hash collisions
doDefault = true;
break;
}
state = TAG_STATE_HTML;
break;
case FRAME_HASH:
if (!_buffer.compareLowerSubstr("frame")) { // skip any accidental hash collisions
doDefault = true;
break;
}
_frameSet = true;
break;
case FRAMESET_HASH:
if (!_buffer.compareLowerSubstr("frameset")) { // skip any accidental hash collisions
doDefault = true;
break;
}
_frameSet = true;
break;
case BODY_HASH:
if (!_buffer.compareLowerSubstr("body")) { // skip any accidental hash collisions
doDefault = true;
break;
}
if (_tokenType == TOKEN_EMPTYTAG)
{
state = TAG_STATE_BODY;
}
_bodyProperties = parseProperties(tagObject, _buffer).properties;
break;
case CONTENT_HASH:
if (!_buffer.compareLowerSubstr("content")) { // skip any accidental hash collisions
doDefault = true;
break;
}
state = TAG_STATE_NONE;
Map props = parseProperties(tagObject, _buffer).properties;
if (props != null)
{
tagged = true;
_contentTagId = (String) props.get("tag");
}
break;
case SLASH_XMP_HASH:
if (!_buffer.compareLowerSubstr("/xmp")) { // skip any accidental hash collisions
doDefault = true;
break;
}
hide = false;
break;
case SLASH_BODY_HASH:
if (!_buffer.compareLowerSubstr("/body")) { // skip any accidental hash collisions
doDefault = true;
break;
}
state = TAG_STATE_NONE;
hide = true;
break;
case SLASH_HTML_HASH:
if (!_buffer.compareLowerSubstr("/html")) { // skip any accidental hash collisions
doDefault = true;
break;
}
state = TAG_STATE_NONE;
hide = true;
break;
default:
doDefault = true;
}
if (doDefault)
writeTag(state, laststate, hide, _head, _buffer, _body);
}
}
else if (!hide)
{
if (_tokenType == TOKEN_TEXT)
{
if (state == TAG_STATE_TITLE)
{
_title.append(_buffer);
}
else if (shouldWriteToHead(state, laststate))
{
_head.append(_buffer);
}
else
{
_body.append(_buffer);
}
}
else if (_tokenType == TOKEN_COMMENT)
{
final CharArray commentDestination = shouldWriteToHead(state, laststate) ? _head : _body;
commentDestination.append("<!--");
commentDestination.append(_buffer);
commentDestination.append("-->");
}
else if (_tokenType == TOKEN_CDATA)
{
final CharArray commentDestination = state == TAG_STATE_HEAD ? _head : _body;
commentDestination.append("<![CDATA[");
commentDestination.append(_buffer);
commentDestination.append("]]>");
}
else if (_tokenType == TOKEN_SCRIPT)
{
final CharArray commentDestination = state == TAG_STATE_HEAD ? _head : _body;
commentDestination.append('<');
commentDestination.append(_buffer);
}
}
}
_buffer.setLength(0);