ObjFW  Diff

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To Artifact [9b8cdb5bf4]:


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@implementation OFXMLParser
@synthesize delegate = _delegate, depthLimit = _depthLimit;

+ (void)initialize
{
	const SEL selectors_[OF_XMLPARSER_NUM_STATES] = {
		@selector(OF_inByteOrderMarkState),
		@selector(OF_outsideTagState),
		@selector(OF_tagOpenedState),
		@selector(OF_inProcessingInstructionsState),
		@selector(OF_inTagNameState),
		@selector(OF_inCloseTagNameState),
		@selector(OF_inTagState),
		@selector(OF_inAttributeNameState),
		@selector(OF_expectAttributeEqualSignState),
		@selector(OF_expectAttributeDelimiterState),
		@selector(OF_inAttributeValueState),
		@selector(OF_expectTagCloseState),
		@selector(OF_expectSpaceOrTagCloseState),
		@selector(OF_inExclamationMarkState),
		@selector(OF_inCDATAOpeningState),
		@selector(OF_inCDATAState),
		@selector(OF_inCommentOpeningState),
		@selector(OF_inCommentState1),
		@selector(OF_inCommentState2),
		@selector(OF_inDOCTYPEState)
	};
	memcpy(selectors, selectors_, sizeof(selectors_));

	for (size_t i = 0; i < OF_XMLPARSER_NUM_STATES; i++) {
		if (![self instancesRespondToSelector: selectors[i]])
			@throw [OFInitializationFailedException
			    exceptionWithClass: self];







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@implementation OFXMLParser
@synthesize delegate = _delegate, depthLimit = _depthLimit;

+ (void)initialize
{
	const SEL selectors_[OF_XMLPARSER_NUM_STATES] = {
		@selector(of_inByteOrderMarkState),
		@selector(of_outsideTagState),
		@selector(of_tagOpenedState),
		@selector(of_inProcessingInstructionsState),
		@selector(of_inTagNameState),
		@selector(of_inCloseTagNameState),
		@selector(of_inTagState),
		@selector(of_inAttributeNameState),
		@selector(of_expectAttributeEqualSignState),
		@selector(of_expectAttributeDelimiterState),
		@selector(of_inAttributeValueState),
		@selector(of_expectTagCloseState),
		@selector(of_expectSpaceOrTagCloseState),
		@selector(of_inExclamationMarkState),
		@selector(of_inCDATAOpeningState),
		@selector(of_inCDATAState),
		@selector(of_inCommentOpeningState),
		@selector(of_inCommentState1),
		@selector(of_inCommentState2),
		@selector(of_inDOCTYPEState)
	};
	memcpy(selectors, selectors_, sizeof(selectors_));

	for (size_t i = 0; i < OF_XMLPARSER_NUM_STATES; i++) {
		if (![self instancesRespondToSelector: selectors[i]])
			@throw [OFInitializationFailedException
			    exceptionWithClass: self];
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/*
 * The following methods handle the different states of the parser. They are
 * looked up in +[initialize] and put in a lookup table to speed things up.
 * One dispatch for every character would be way too slow!
 */

- (void)OF_inByteOrderMarkState
{
	if (_data[_i] != "\xEF\xBB\xBF"[_level]) {
		if (_level == 0) {
			_state = OF_XMLPARSER_OUTSIDE_TAG;
			_i--;
			return;
		}

		@throw [OFMalformedXMLException exceptionWithParser: self];
	}

	if (_level++ == 2)
		_state = OF_XMLPARSER_OUTSIDE_TAG;

	_last = _i + 1;
}

/* Not in a tag */
- (void)OF_outsideTagState
{
	size_t length;

	if ((_finishedParsing || [_previous count] < 1) && _data[_i] != ' ' &&
	    _data[_i] != '\t' && _data[_i] != '\n' && _data[_i] != '\r' &&
	    _data[_i] != '<')
		@throw [OFMalformedXMLException exceptionWithParser: self];







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/*
 * The following methods handle the different states of the parser. They are
 * looked up in +[initialize] and put in a lookup table to speed things up.
 * One dispatch for every character would be way too slow!
 */

- (void)of_inByteOrderMarkState
{
	if (_data[_i] != "\xEF\xBB\xBF"[_level]) {
		if (_level == 0) {
			_state = OF_XMLPARSER_OUTSIDE_TAG;
			_i--;
			return;
		}

		@throw [OFMalformedXMLException exceptionWithParser: self];
	}

	if (_level++ == 2)
		_state = OF_XMLPARSER_OUTSIDE_TAG;

	_last = _i + 1;
}

/* Not in a tag */
- (void)of_outsideTagState
{
	size_t length;

	if ((_finishedParsing || [_previous count] < 1) && _data[_i] != ' ' &&
	    _data[_i] != '\t' && _data[_i] != '\n' && _data[_i] != '\r' &&
	    _data[_i] != '<')
		@throw [OFMalformedXMLException exceptionWithParser: self];
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	[_buffer removeAllItems];

	_last = _i + 1;
	_state = OF_XMLPARSER_TAG_OPENED;
}

/* Tag was just opened */
- (void)OF_tagOpenedState
{
	if (_finishedParsing && _data[_i] != '!' && _data[_i] != '?')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	switch (_data[_i]) {
	case '?':
		_last = _i + 1;







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	[_buffer removeAllItems];

	_last = _i + 1;
	_state = OF_XMLPARSER_TAG_OPENED;
}

/* Tag was just opened */
- (void)of_tagOpenedState
{
	if (_finishedParsing && _data[_i] != '!' && _data[_i] != '?')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	switch (_data[_i]) {
	case '?':
		_last = _i + 1;
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		_acceptProlog = false;
		_i--;
		break;
	}
}

/* <?xml […]?> */
- (bool)OF_parseXMLProcessingInstructions: (OFString *)pi
{
	const char *cString;
	size_t length, last;
	int PIState = 0;
	OFString *attribute = nil;
	OFMutableString *value = nil;
	char piDelimiter = 0;







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		_acceptProlog = false;
		_i--;
		break;
	}
}

/* <?xml […]?> */
- (bool)of_parseXMLProcessingInstructions: (OFString *)pi
{
	const char *cString;
	size_t length, last;
	int PIState = 0;
	OFString *attribute = nil;
	OFMutableString *value = nil;
	char piDelimiter = 0;
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	if (PIState != 0 || !hasVersion)
		return false;

	return true;
}

/* Inside processing instructions */
- (void)OF_inProcessingInstructionsState
{
	if (_data[_i] == '?')
		_level = 1;
	else if (_level == 1 && _data[_i] == '>') {
		void *pool = objc_autoreleasePoolPush();
		OFString *PI;

		appendToBuffer(_buffer, _data + _last, _encoding, _i - _last);
		PI = transformString(self, _buffer, 1, false);

		if ([PI isEqual: @"xml"] || [PI hasPrefix: @"xml "] ||
		    [PI hasPrefix: @"xml\t"] || [PI hasPrefix: @"xml\r"] ||
		    [PI hasPrefix: @"xml\n"])
			if (![self OF_parseXMLProcessingInstructions: PI])
				@throw [OFMalformedXMLException
				    exceptionWithParser: self];

		if ([_delegate respondsToSelector:
		    @selector(parser:foundProcessingInstructions:)])
			[_delegate		 parser: self
			    foundProcessingInstructions: PI];

		objc_autoreleasePoolPop(pool);

		[_buffer removeAllItems];

		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else
		_level = 0;
}

/* Inside a tag, no name yet */
- (void)OF_inTagNameState
{
	void *pool;
	const char *bufferCString, *tmp;
	size_t length, bufferLength;
	OFString *bufferString;

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&







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	if (PIState != 0 || !hasVersion)
		return false;

	return true;
}

/* Inside processing instructions */
- (void)of_inProcessingInstructionsState
{
	if (_data[_i] == '?')
		_level = 1;
	else if (_level == 1 && _data[_i] == '>') {
		void *pool = objc_autoreleasePoolPush();
		OFString *PI;

		appendToBuffer(_buffer, _data + _last, _encoding, _i - _last);
		PI = transformString(self, _buffer, 1, false);

		if ([PI isEqual: @"xml"] || [PI hasPrefix: @"xml "] ||
		    [PI hasPrefix: @"xml\t"] || [PI hasPrefix: @"xml\r"] ||
		    [PI hasPrefix: @"xml\n"])
			if (![self of_parseXMLProcessingInstructions: PI])
				@throw [OFMalformedXMLException
				    exceptionWithParser: self];

		if ([_delegate respondsToSelector:
		    @selector(parser:foundProcessingInstructions:)])
			[_delegate		 parser: self
			    foundProcessingInstructions: PI];

		objc_autoreleasePoolPop(pool);

		[_buffer removeAllItems];

		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else
		_level = 0;
}

/* Inside a tag, no name yet */
- (void)of_inTagNameState
{
	void *pool;
	const char *bufferCString, *tmp;
	size_t length, bufferLength;
	OFString *bufferString;

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&
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	objc_autoreleasePoolPop(pool);

	[_buffer removeAllItems];
	_last = _i + 1;
}

/* Inside a close tag, no name yet */
- (void)OF_inCloseTagNameState
{
	void *pool;
	const char *bufferCString, *tmp;
	size_t length, bufferLength;
	OFString *bufferString, *namespace;

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&







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	objc_autoreleasePoolPop(pool);

	[_buffer removeAllItems];
	_last = _i + 1;
}

/* Inside a close tag, no name yet */
- (void)of_inCloseTagNameState
{
	void *pool;
	const char *bufferCString, *tmp;
	size_t length, bufferLength;
	OFString *bufferString, *namespace;

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&
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	    : OF_XMLPARSER_EXPECT_SPACE_OR_TAG_CLOSE);

	if ([_previous count] == 0)
		_finishedParsing = true;
}

/* Inside a tag, name found */
- (void)OF_inTagState
{
	void *pool;
	OFString *namespace;
	OFXMLAttribute *const *attributesObjects;
	size_t attributesCount;

	if (_data[_i] != '>' && _data[_i] != '/') {







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	    : OF_XMLPARSER_EXPECT_SPACE_OR_TAG_CLOSE);

	if ([_previous count] == 0)
		_finishedParsing = true;
}

/* Inside a tag, name found */
- (void)of_inTagState
{
	void *pool;
	OFString *namespace;
	OFXMLAttribute *const *attributesObjects;
	size_t attributesCount;

	if (_data[_i] != '>' && _data[_i] != '/') {
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	_last = _i + 1;
	_state = (_data[_i] == '/'
	    ? OF_XMLPARSER_EXPECT_TAG_CLOSE
	    : OF_XMLPARSER_OUTSIDE_TAG);
}

/* Looking for attribute name */
- (void)OF_inAttributeNameState
{
	void *pool;
	OFString *bufferString;
	const char *bufferCString, *tmp;
	size_t length, bufferLength;

	if (_data[_i] != '=' && _data[_i] != ' ' && _data[_i] != '\t' &&







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	_last = _i + 1;
	_state = (_data[_i] == '/'
	    ? OF_XMLPARSER_EXPECT_TAG_CLOSE
	    : OF_XMLPARSER_OUTSIDE_TAG);
}

/* Looking for attribute name */
- (void)of_inAttributeNameState
{
	void *pool;
	OFString *bufferString;
	const char *bufferCString, *tmp;
	size_t length, bufferLength;

	if (_data[_i] != '=' && _data[_i] != ' ' && _data[_i] != '\t' &&
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	_last = _i + 1;
	_state = (_data[_i] == '='
	    ? OF_XMLPARSER_EXPECT_ATTRIBUTE_DELIMITER
	    : OF_XMLPARSER_EXPECT_ATTRIBUTE_EQUAL_SIGN);
}

/* Expecting equal sign of an attribute */
- (void)OF_expectAttributeEqualSignState
{
	if (_data[_i] == '=') {
		_last = _i + 1;
		_state = OF_XMLPARSER_EXPECT_ATTRIBUTE_DELIMITER;
		return;
	}

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&
	    _data[_i] != '\r')
		@throw [OFMalformedXMLException exceptionWithParser: self];
}

/* Expecting name/value delimiter of an attribute */
- (void)OF_expectAttributeDelimiterState
{
	_last = _i + 1;

	if (_data[_i] == ' ' || _data[_i] == '\t' || _data[_i] == '\n' ||
	    _data[_i] == '\r')
		return;

	if (_data[_i] != '\'' && _data[_i] != '"')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_delimiter = _data[_i];
	_state = OF_XMLPARSER_IN_ATTRIBUTE_VALUE;
}

/* Looking for attribute value */
- (void)OF_inAttributeValueState
{
	void *pool;
	OFString *attributeValue;
	size_t length;

	if (_data[_i] != _delimiter)
		return;







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	_last = _i + 1;
	_state = (_data[_i] == '='
	    ? OF_XMLPARSER_EXPECT_ATTRIBUTE_DELIMITER
	    : OF_XMLPARSER_EXPECT_ATTRIBUTE_EQUAL_SIGN);
}

/* Expecting equal sign of an attribute */
- (void)of_expectAttributeEqualSignState
{
	if (_data[_i] == '=') {
		_last = _i + 1;
		_state = OF_XMLPARSER_EXPECT_ATTRIBUTE_DELIMITER;
		return;
	}

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&
	    _data[_i] != '\r')
		@throw [OFMalformedXMLException exceptionWithParser: self];
}

/* Expecting name/value delimiter of an attribute */
- (void)of_expectAttributeDelimiterState
{
	_last = _i + 1;

	if (_data[_i] == ' ' || _data[_i] == '\t' || _data[_i] == '\n' ||
	    _data[_i] == '\r')
		return;

	if (_data[_i] != '\'' && _data[_i] != '"')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_delimiter = _data[_i];
	_state = OF_XMLPARSER_IN_ATTRIBUTE_VALUE;
}

/* Looking for attribute value */
- (void)of_inAttributeValueState
{
	void *pool;
	OFString *attributeValue;
	size_t length;

	if (_data[_i] != _delimiter)
		return;
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	_attributeName = _attributePrefix = nil;

	_last = _i + 1;
	_state = OF_XMLPARSER_IN_TAG;
}

/* Expecting closing '>' */
- (void)OF_expectTagCloseState
{
	if (_data[_i] == '>') {
		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else
		@throw [OFMalformedXMLException exceptionWithParser: self];
}

/* Expecting closing '>' or space */
- (void)OF_expectSpaceOrTagCloseState
{
	if (_data[_i] == '>') {
		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else if (_data[_i] != ' ' && _data[_i] != '\t' &&
	    _data[_i] != '\n' && _data[_i] != '\r')
		@throw [OFMalformedXMLException exceptionWithParser: self];
}

/* In <! */
- (void)OF_inExclamationMarkState
{
	if (_finishedParsing && _data[_i] != '-')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	if (_data[_i] == '-')
		_state = OF_XMLPARSER_IN_COMMENT_OPENING;
	else if (_data[_i] == '[') {
		_state = OF_XMLPARSER_IN_CDATA_OPENING;
		_level = 0;
	} else if (_data[_i] == 'D') {
		_state = OF_XMLPARSER_IN_DOCTYPE;
		_level = 0;
	} else
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_last = _i + 1;
}

/* CDATA */
- (void)OF_inCDATAOpeningState
{
	if (_data[_i] != "CDATA["[_level])
		@throw [OFMalformedXMLException exceptionWithParser: self];

	if (++_level == 6) {
		_state = OF_XMLPARSER_IN_CDATA;
		_level = 0;
	}

	_last = _i + 1;
}

- (void)OF_inCDATAState
{

	if (_data[_i] == ']')
		_level++;
	else if (_data[_i] == '>' && _level >= 2) {
		void *pool = objc_autoreleasePoolPush();
		OFString *CDATA;







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	_attributeName = _attributePrefix = nil;

	_last = _i + 1;
	_state = OF_XMLPARSER_IN_TAG;
}

/* Expecting closing '>' */
- (void)of_expectTagCloseState
{
	if (_data[_i] == '>') {
		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else
		@throw [OFMalformedXMLException exceptionWithParser: self];
}

/* Expecting closing '>' or space */
- (void)of_expectSpaceOrTagCloseState
{
	if (_data[_i] == '>') {
		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else if (_data[_i] != ' ' && _data[_i] != '\t' &&
	    _data[_i] != '\n' && _data[_i] != '\r')
		@throw [OFMalformedXMLException exceptionWithParser: self];
}

/* In <! */
- (void)of_inExclamationMarkState
{
	if (_finishedParsing && _data[_i] != '-')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	if (_data[_i] == '-')
		_state = OF_XMLPARSER_IN_COMMENT_OPENING;
	else if (_data[_i] == '[') {
		_state = OF_XMLPARSER_IN_CDATA_OPENING;
		_level = 0;
	} else if (_data[_i] == 'D') {
		_state = OF_XMLPARSER_IN_DOCTYPE;
		_level = 0;
	} else
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_last = _i + 1;
}

/* CDATA */
- (void)of_inCDATAOpeningState
{
	if (_data[_i] != "CDATA["[_level])
		@throw [OFMalformedXMLException exceptionWithParser: self];

	if (++_level == 6) {
		_state = OF_XMLPARSER_IN_CDATA;
		_level = 0;
	}

	_last = _i + 1;
}

- (void)of_inCDATAState
{

	if (_data[_i] == ']')
		_level++;
	else if (_data[_i] == '>' && _level >= 2) {
		void *pool = objc_autoreleasePoolPush();
		OFString *CDATA;
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		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else
		_level = 0;
}

/* Comment */
- (void)OF_inCommentOpeningState
{
	if (_data[_i] != '-')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_last = _i + 1;
	_state = OF_XMLPARSER_IN_COMMENT_1;
	_level = 0;
}

- (void)OF_inCommentState1
{
	if (_data[_i] == '-')
		_level++;
	else
		_level = 0;

	if (_level == 2)
		_state = OF_XMLPARSER_IN_COMMENT_2;
}

- (void)OF_inCommentState2
{
	void *pool;
	OFString *comment;

	if (_data[_i] != '>')
		@throw [OFMalformedXMLException exceptionWithParser: self];








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		_last = _i + 1;
		_state = OF_XMLPARSER_OUTSIDE_TAG;
	} else
		_level = 0;
}

/* Comment */
- (void)of_inCommentOpeningState
{
	if (_data[_i] != '-')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_last = _i + 1;
	_state = OF_XMLPARSER_IN_COMMENT_1;
	_level = 0;
}

- (void)of_inCommentState1
{
	if (_data[_i] == '-')
		_level++;
	else
		_level = 0;

	if (_level == 2)
		_state = OF_XMLPARSER_IN_COMMENT_2;
}

- (void)of_inCommentState2
{
	void *pool;
	OFString *comment;

	if (_data[_i] != '>')
		@throw [OFMalformedXMLException exceptionWithParser: self];

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	[_buffer removeAllItems];

	_last = _i + 1;
	_state = OF_XMLPARSER_OUTSIDE_TAG;
}

/* In <!DOCTYPE ...> */
- (void)OF_inDOCTYPEState
{
	if ((_level < 6 && _data[_i] != "OCTYPE"[_level]) ||
	    (_level == 6 && _data[_i] != ' ' && _data[_i] != '\t' &&
	    _data[_i] != '\n' && _data[_i] != '\r'))
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_level++;







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	[_buffer removeAllItems];

	_last = _i + 1;
	_state = OF_XMLPARSER_OUTSIDE_TAG;
}

/* In <!DOCTYPE ...> */
- (void)of_inDOCTYPEState
{
	if ((_level < 6 && _data[_i] != "OCTYPE"[_level]) ||
	    (_level == 6 && _data[_i] != ' ' && _data[_i] != '\t' &&
	    _data[_i] != '\n' && _data[_i] != '\r'))
		@throw [OFMalformedXMLException exceptionWithParser: self];

	_level++;