ObjFW  Check-in [a80e9b948d]

Overview
Comment:Also parse &#NNNN; and &#xHHHH; in -[stringByXMLUnescaping].
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SHA3-256: a80e9b948d0a26416f5fd37987241f4ca163be6cf936b5cd3de8d151ada0a6ce
User & Date: js on 2009-07-14 21:58:22
Other Links: manifest | tags
Context
2009-07-16
23:02
Also handle '+' in -[stringByURLDecoding]. check-in: 92d8754e02 user: js tags: trunk
2009-07-14
21:58
Also parse &#NNNN; and &#xHHHH; in -[stringByXMLUnescaping]. check-in: a80e9b948d user: js tags: trunk
21:22
Add of_string_unicode_to_utf8 which converts unicode to UTF-8. check-in: de937a62e4 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/OFString.h from [42972211ab] to [292d36265a].

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#include <stdio.h>
#include <stdarg.h>

#import "OFObject.h"
#import "OFArray.h"

extern int of_string_check_utf8(const char*, size_t);
extern size_t of_string_unicode_to_utf8(uint32_t, uint8_t*);

/**
 * A class for managing strings.
 */
@interface OFString: OFObject <OFCopying, OFMutableCopying>
{
	char	     *string;








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#include <stdio.h>
#include <stdarg.h>

#import "OFObject.h"
#import "OFArray.h"

extern int of_string_check_utf8(const char*, size_t);
extern size_t of_string_unicode_to_utf8(uint32_t, char*);

/**
 * A class for managing strings.
 */
@interface OFString: OFObject <OFCopying, OFMutableCopying>
{
	char	     *string;
︙︙

Modified src/OFString.m from [2bac621bba] to [c4e41efb24].

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	madvise((void*)str, len, MADV_NORMAL);

	return utf8;
}

size_t
of_string_unicode_to_utf8(uint32_t c, uint8_t *buf)
{
	if (c < 0x80) {
		buf[0] = c;
		return 1;
	}
	if (c < 0x800) {
		buf[0] = 0xC0 | (c >> 6);








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	madvise((void*)str, len, MADV_NORMAL);

	return utf8;
}

size_t
of_string_unicode_to_utf8(uint32_t c, char *buf)
{
	if (c < 0x80) {
		buf[0] = c;
		return 1;
	}
	if (c < 0x800) {
		buf[0] = 0xC0 | (c >> 6);
︙︙

Modified src/OFXMLParser.m from [b77468664e] to [8929707b71].

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#include "config.h"

#include <string.h>

#import "OFXMLParser.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"


int _OFXMLParser_reference;
















































@implementation OFXMLParser
+ xmlParser
{
	return [[[self alloc] init] autorelease];
}









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#include "config.h"

#include <string.h>

#import "OFXMLParser.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "OFMacros.h"

int _OFXMLParser_reference;

static OF_INLINE OFString*
parse_numeric_entity(char *entity, size_t length)
{
	uint32_t c;
	size_t i;
	char buf[4];

	if (length == 1 || *entity != '#')
		return nil;

	c = 0;
	entity++;
	length--;

	if (entity[0] == 'x') {
		if (length == 1)
			return nil;

		entity++;
		length--;

		for (i = 0; i < length; i++) {
			if (entity[i] >= '0' && entity[i] <= '9')
				c = (c * 0x10) + (entity[i] - '0');
			else if (entity[i] >= 'A' && entity[i] <= 'F')
				c = (c * 0x10) + (entity[i] - 'A' + 10);
			else if (entity[i] >= 'a' && entity[i] <= 'f')
				c = (c * 0x10) + (entity[i] - 'A' + 10);
			else
				return nil;
		}
	} else {
		for (i = 0; i < length; i++) {
			if (entity[i] >= '0' && entity[i] <= '9')
				c = (c * 10) + (entity[i] - '0');
			else
				return nil;
		}
	}

	if ((i = of_string_unicode_to_utf8(c, buf)) == 0)
		return nil;

	return [OFString stringWithCString: buf
				 andLength: i];
}

@implementation OFXMLParser
+ xmlParser
{
	return [[[self alloc] init] autorelease];
}
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		if (!in_entity && string[i] == '&') {
			[ret appendCStringWithoutUTF8Checking: string + last
						    andLength: i - last];

			last = i + 1;
			in_entity = YES;
		} else if (in_entity && string[i] == ';') {

			size_t len = i - last;

			if (len == 2 && !memcmp(string + last, "lt", 2))
				[ret appendString: @"<"];
			else if (len == 2 && !memcmp(string + last, "gt", 2))
				[ret appendString: @">"];
			else if (len == 4 && !memcmp(string + last, "quot", 4))
				[ret appendString: @"\""];
			else if (len == 4 && !memcmp(string + last, "apos", 4))
				[ret appendString: @"'"];
			else if (len == 3 && !memcmp(string + last, "amp", 3))
				[ret appendString: @"&"];













			else if (h != nil) {
				OFAutoreleasePool *pool;
				OFString *n, *tmp;

				pool = [[OFAutoreleasePool alloc] init];

				n = [OFString stringWithCString: string + last
						      andLength: len];
				tmp = [h foundUnknownEntityNamed: n];

				if (tmp == nil)
					@throw [OFInvalidEncodingException
					    newWithClass: isa];









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		if (!in_entity && string[i] == '&') {
			[ret appendCStringWithoutUTF8Checking: string + last
						    andLength: i - last];

			last = i + 1;
			in_entity = YES;
		} else if (in_entity && string[i] == ';') {
			char *entity = string + last;
			size_t len = i - last;

			if (len == 2 && !memcmp(entity, "lt", 2))
				[ret appendString: @"<"];
			else if (len == 2 && !memcmp(entity, "gt", 2))
				[ret appendString: @">"];
			else if (len == 4 && !memcmp(entity, "quot", 4))
				[ret appendString: @"\""];
			else if (len == 4 && !memcmp(entity, "apos", 4))
				[ret appendString: @"'"];
			else if (len == 3 && !memcmp(entity, "amp", 3))
				[ret appendString: @"&"];
			else if (entity[0] == '#') {
				OFAutoreleasePool *pool;
				OFString *tmp;

				pool = [[OFAutoreleasePool alloc] init];
				tmp = parse_numeric_entity(entity, len);

				if (tmp == nil)
					@throw [OFInvalidEncodingException
					    newWithClass: isa];

				[ret appendString: tmp];
				[pool release];
			} else if (h != nil) {
				OFAutoreleasePool *pool;
				OFString *n, *tmp;

				pool = [[OFAutoreleasePool alloc] init];

				n = [OFString stringWithCString: entity
						      andLength: len];
				tmp = [h foundUnknownEntityNamed: n];

				if (tmp == nil)
					@throw [OFInvalidEncodingException
					    newWithClass: isa];
︙︙

Modified tests/OFString/OFString.m from [b49062f26b] to [2dbe4533ed].

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#ifndef _WIN32
#define ZD "%zd"
#else
#define ZD "%u"
#endif

#define NUM_TESTS 53
#define SUCCESS								\
	printf("\r\033[1;%dmTests successful: " ZD "/%d\033[0m",	\
	    (i == NUM_TESTS - 1 ? 32 : 33), i + 1, NUM_TESTS);		\
	fflush(stdout);
#define FAIL								\
	printf("\r\033[K\033[1;31mTest " ZD "/%d failed!\033[m\n",	\
	    i + 1, NUM_TESTS);						\








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#ifndef _WIN32
#define ZD "%zd"
#else
#define ZD "%u"
#endif

#define NUM_TESTS 60
#define SUCCESS								\
	printf("\r\033[1;%dmTests successful: " ZD "/%d\033[0m",	\
	    (i == NUM_TESTS - 1 ? 32 : 33), i + 1, NUM_TESTS);		\
	fflush(stdout);
#define FAIL								\
	printf("\r\033[K\033[1;31mTest " ZD "/%d failed!\033[m\n",	\
	    i + 1, NUM_TESTS);						\
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	h = [[EntityHandler alloc] init];
	s1 = [@"x&foo;y" stringByXMLUnescapingWithHandler: h];
	CHECK([s1 isEqual: @"xbary"]);

	CHECK_EXCEPT([@"x&amp" stringByXMLUnescaping],
	    OFInvalidEncodingException)












	puts("");

	return 0;
}








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	h = [[EntityHandler alloc] init];
	s1 = [@"x&foo;y" stringByXMLUnescapingWithHandler: h];
	CHECK([s1 isEqual: @"xbary"]);

	CHECK_EXCEPT([@"x&amp" stringByXMLUnescaping],
	    OFInvalidEncodingException)

	CHECK([[@"&#x79;" stringByXMLUnescaping] isEqual: @"y"]);
	CHECK([[@"&#xE4;" stringByXMLUnescaping] isEqual: @"ä"]);
	CHECK([[@"&#8364;" stringByXMLUnescaping] isEqual: @"€"]);
	CHECK([[@"&#x1D11E;" stringByXMLUnescaping] isEqual: @"𝄞"]);

	CHECK_EXCEPT([@"&#;" stringByXMLUnescaping], OFInvalidEncodingException)
	CHECK_EXCEPT([@"&#x;" stringByXMLUnescaping],
	    OFInvalidEncodingException)
	CHECK_EXCEPT([@"&#xg;" stringByXMLUnescaping],
	    OFInvalidEncodingException)

	puts("");

	return 0;
}

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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