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#include <string.h>
#include <unistd.h>
#import "OFXMLParser.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFDataArray.h"
#import "OFXMLAttribute.h"
#import "OFStream.h"
#import "OFFile.h"
#import "OFAutoreleasePool.h"
#import "OFInitializationFailedException.h"
#import "OFMalformedXMLException.h"
#import "OFUnboundNamespaceException.h"
#import "macros.h"
typedef void (*state_function)(id, SEL, const char*, size_t*, size_t*);
static SEL selectors[OF_XMLPARSER_NUM_STATES];
static state_function lookupTable[OF_XMLPARSER_NUM_STATES];
static void
cache_append(OFMutableString *cache, const char *string,
static OF_INLINE void
cache_append(OFDataArray *cache, const char *string,
of_string_encoding_t encoding, size_t length)
{
if (OF_LIKELY(encoding == OF_STRING_ENCODING_UTF_8))
[cache appendCStringWithoutUTF8Checking: string
length: length];
[cache appendString: [OFString stringWithCString: string
encoding: encoding
length: length]];
OFString *tmp = [OFString stringWithCString: string
encoding: encoding
length: length];
[cache addNItems: [tmp cStringLength]
fromCArray: [tmp cString]];
[pool release];
}
}
static OFString*
transform_string(OFMutableString *cache, size_t cut, BOOL unescape,
transform_string(OFDataArray *cache, size_t cut, BOOL unescape,
OFObject <OFStringXMLUnescapingDelegate> *delegate)
{
OFMutableString *ret = [OFMutableString
stringWithCString: [cache cArray]
length: [cache count]];
[cache replaceOccurrencesOfString: @"\r\n"
withString: @"\n"];
[cache replaceOccurrencesOfString: @"\r"
withString: @"\n"];
[ret replaceOccurrencesOfString: @"\r\n"
withString: @"\n"];
[ret replaceOccurrencesOfString: @"\r"
withString: @"\n"];
if (cut > 0) {
size_t length = [cache length];
size_t length = [ret length];
[cache deleteCharactersFromIndex: length - cut
toIndex: length];
[ret deleteCharactersFromIndex: length - cut
toIndex: length];
}
if (unescape)
return [cache stringByXMLUnescapingWithDelegate: delegate];
else
return [[cache copy] autorelease];
return [ret stringByXMLUnescapingWithDelegate: delegate];
ret->isa = [OFString class];
return ret;
}
static OFString*
namespace_for_prefix(OFString *prefix, OFArray *namespaces)
{
OFDictionary **cArray = [namespaces cArray];
ssize_t i;
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{
self = [super init];
@try {
OFAutoreleasePool *pool;
OFMutableDictionary *dict;
cache = [[OFMutableString alloc] init];
cache = [[OFBigDataArray alloc] init];
previous = [[OFMutableArray alloc] init];
namespaces = [[OFMutableArray alloc] init];
pool = [[OFAutoreleasePool alloc] init];
dict = [OFMutableDictionary dictionaryWithKeysAndObjects:
@"xml", @"http://www.w3.org/XML/1998/namespace",
@"xmlns", @"http://www.w3.org/2000/xmlns/", nil];
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if (buffer[*i] != '<')
return;
if ((length = *i - *last) > 0)
cache_append(cache, buffer + *last, encoding, length);
if ([cache cStringLength] > 0) {
if ([cache count] > 0) {
OFString *characters;
OFAutoreleasePool *pool;
pool = [[OFAutoreleasePool alloc] init];
characters = transform_string(cache, 0, YES, self);
#if defined(OF_HAVE_PROPERTIES) && defined(OF_HAVE_BLOCKS)
if (charactersHandler != NULL)
charactersHandler(self, characters);
else
#endif
[delegate parser: self
foundCharacters: characters];
[pool release];
}
[cache setToCString: ""];
[cache removeNItems: [cache count]];
*last = *i + 1;
state = OF_XMLPARSER_TAG_OPENED;
}
/* Tag was just opened */
- (void)_parseTagOpenedWithBuffer: (const char*)buffer
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parser: self];
[delegate parser: self
foundProcessingInstructions: pi];
[pool release];
[cache setToCString: ""];
[cache removeNItems: [cache count]];
*last = *i + 1;
state = OF_XMLPARSER_OUTSIDE_TAG;
} else
level = 0;
}
/* Inside a tag, no name yet */
- (void)_parseInTagNameWithBuffer: (const char*)buffer
i: (size_t*)i
last: (size_t*)last
{
OFAutoreleasePool *pool;
const char *cacheCString, *tmp;
size_t length, cacheLength;
OFString *cacheString;
if (buffer[*i] != ' ' && buffer[*i] != '\t' && buffer[*i] != '\n' &&
buffer[*i] != '\r' && buffer[*i] != '>' && buffer[*i] != '/')
return;
if ((length = *i - *last) > 0)
cache_append(cache, buffer + *last, encoding, length);
pool = [[OFAutoreleasePool alloc] init];
cacheCString = [cache cString];
cacheLength = [cache cStringLength];
cacheCString = [cache cArray];
cacheLength = [cache count];
cacheString = [OFString stringWithCString: cacheCString
length: cacheLength];
if ((tmp = memchr(cacheCString, ':', cacheLength)) != NULL) {
name = [[OFString alloc] initWithCString: tmp + 1
length: cacheLength -
(tmp - cacheCString) -
1];
prefix = [[OFString alloc] initWithCString: cacheCString
length: tmp - cacheCString];
} else {
name = [cache copy];
name = [cacheString copy];
prefix = nil;
}
if (buffer[*i] == '>' || buffer[*i] == '/') {
OFAutoreleasePool *pool;
OFAutoreleasePool *pool2;
OFString *ns;
ns = namespace_for_prefix(prefix, namespaces);
if (prefix != nil && ns == nil)
@throw
[OFUnboundNamespaceException newWithClass: isa
prefix: prefix];
pool = [[OFAutoreleasePool alloc] init];
pool2 = [[OFAutoreleasePool alloc] init];
#if defined(OF_HAVE_PROPERTIES) && defined(OF_HAVE_BLOCKS)
if (elementStartHandler != NULL)
elementStartHandler(self, name, prefix, ns, nil);
else
#endif
[delegate parser: self
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didEndElement: name
withPrefix: prefix
namespace: ns];
if ([previous count] == 0)
finishedParsing = YES;
} else
[previous addObject: [[cache copy] autorelease]];
[previous addObject: cacheString];
[pool release];
[pool2 release];
[name release];
[prefix release];
name = prefix = nil;
state = (buffer[*i] == '/'
? OF_XMLPARSER_EXPECT_CLOSE
: OF_XMLPARSER_OUTSIDE_TAG);
} else
state = OF_XMLPARSER_IN_TAG;
if (buffer[*i] != '/') {
OFAutoreleasePool *pool;
[cache setToCString: ""];
[cache removeNItems: [cache count]];
*last = *i + 1;
}
/* Inside a close tag, no name yet */
- (void)_parseInCloseTagNameWithBuffer: (const char*)buffer
i: (size_t*)i
last: (size_t*)last
{
OFAutoreleasePool *pool;
const char *cacheCString, *tmp;
size_t length, cacheLength;
OFString *cacheString;
OFString *ns;
if (buffer[*i] != ' ' && buffer[*i] != '\t' && buffer[*i] != '\n' &&
buffer[*i] != '\r' && buffer[*i] != '>')
return;
if ((length = *i - *last) > 0)
cache_append(cache, buffer + *last, encoding, length);
pool = [[OFAutoreleasePool alloc] init];
cacheCString = [cache cString];
cacheLength = [cache cStringLength];
cacheCString = [cache cArray];
cacheLength = [cache count];
cacheString = [OFString stringWithCString: cacheCString
length: cacheLength];
if ((tmp = memchr(cacheCString, ':', cacheLength)) != NULL) {
name = [[OFString alloc] initWithCString: tmp + 1
length: cacheLength -
(tmp - cacheCString) -
1];
prefix = [[OFString alloc] initWithCString: cacheCString
length: tmp - cacheCString];
} else {
name = [cache copy];
name = [cacheString copy];
prefix = nil;
}
if (![[previous lastObject] isEqual: cache])
if (![[previous lastObject] isEqual: cacheString])
@throw [OFMalformedXMLException newWithClass: isa
parser: self];
[previous removeLastObject];
[cache setToCString: ""];
[cache removeNItems: [cache count]];
ns = namespace_for_prefix(prefix, namespaces);
if (prefix != nil && ns == nil)
@throw [OFUnboundNamespaceException newWithClass: isa
prefix: prefix];
pool = [[OFAutoreleasePool alloc] init];
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}
/* Looking for attribute name */
- (void)_parseInAttributeNameWithBuffer: (const char*)buffer
i: (size_t*)i
last: (size_t*)last
{
OFAutoreleasePool *pool;
OFMutableString *cacheString;
const char *cacheCString, *tmp;
size_t length, cacheLength;
if (buffer[*i] != '=')
return;
if ((length = *i - *last) > 0)
cache_append(cache, buffer + *last, encoding, length);
pool = [[OFAutoreleasePool alloc] init];
cacheString = [OFMutableString stringWithCString: [cache cArray]
length: [cache count]];
[cache deleteEnclosingWhitespaces];
[cacheString deleteEnclosingWhitespaces];
/* Prevent a useless copy later */
cacheString->isa = [OFString class];
cacheCString = [cache cString];
cacheLength = [cache cStringLength];
cacheCString = [cacheString cString];
cacheLength = [cacheString cStringLength];
if ((tmp = memchr(cacheCString, ':', cacheLength)) != NULL) {
attributeName = [[OFString alloc]
initWithCString: tmp + 1
length: cacheLength - (tmp - cacheCString) - 1];
attributePrefix = [[OFString alloc]
initWithCString: cacheCString
length: tmp - cacheCString];
} else {
attributeName = [cache copy];
attributeName = [cacheString copy];
attributePrefix = nil;
}
[pool release];
[cache setToCString: ""];
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[attributes addObject:
[OFXMLAttribute attributeWithName: attributeName
namespace: attributePrefix
stringValue: attributeValue]];
[pool release];
[cache setToCString: ""];
[cache removeNItems: [cache count]];
[attributeName release];
[attributePrefix release];
attributeName = attributePrefix = nil;
*last = *i + 1;
state = OF_XMLPARSER_IN_TAG;
}
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else
#endif
[delegate parser: self
foundCDATA: CDATA];
[pool release];
[cache setToCString: ""];
[cache removeNItems: [cache count]];
*last = *i + 1;
state = OF_XMLPARSER_OUTSIDE_TAG;
}
/* Comment */
- (void)_parseInCommentOpeningWithBuffer: (const char*)buffer
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else
#endif
[delegate parser: self
foundComment: comment];
[pool release];
[cache setToCString: ""];
[cache removeNItems: [cache count]];
*last = *i + 1;
state = OF_XMLPARSER_OUTSIDE_TAG;
}
/* In <!DOCTYPE ...> */
- (void)_parseInDoctypeWithBuffer: (const char*)buffer
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