/*
* Copyright (c) 2008, 2009, 2010, 2011
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#import "OFURL.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFAutoreleasePool.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfMemoryException.h"
#import "macros.h"
#define ADD_STR_HASH(str) \
h = [str hash]; \
OF_HASH_ADD(hash, h >> 24); \
OF_HASH_ADD(hash, (h >> 16) & 0xFF); \
OF_HASH_ADD(hash, (h >> 8) & 0xFF); \
OF_HASH_ADD(hash, h & 0xFF);
static OF_INLINE OFString*
resolve_relative_path(OFString *path)
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFMutableArray *array;
OFString *ret;
BOOL done = NO;
array = [[[path componentsSeparatedByString: @"/"] mutableCopy]
autorelease];
while (!done) {
id *array_c = [array cArray];
size_t i, array_len = [array count];
done = YES;
for (i = 0; i < array_len; i++) {
if ([array_c[i] isEqual: @"."]) {
[array removeObjectAtIndex: i];
done = NO;
break;
}
if ([array_c[i] isEqual: @".."]) {
[array removeObjectAtIndex: i];
if (i > 0)
[array removeObjectAtIndex: i - 1];
done = NO;
break;
}
}
}
ret = [[array componentsJoinedByString: @"/"] retain];
[pool release];
return [ret autorelease];
}
@implementation OFURL
+ URLWithString: (OFString*)str
{
return [[[self alloc] initWithString: str] autorelease];
}
+ URLWithString: (OFString*)str
relativeToURL: (OFURL*)url
{
return [[[self alloc] initWithString: str
relativeToURL: url] autorelease];
}
- initWithString: (OFString*)str
{
char *str_c, *str_c2 = NULL;
self = [super init];
@try {
char *tmp, *tmp2;
if ((str_c2 = strdup([str cString])) == NULL)
@throw [OFOutOfMemoryException
newWithClass: isa
requestedSize: [str cStringLength]];
str_c = str_c2;
if (!strncmp(str_c, "file://", 7)) {
scheme = @"file";
path = [[OFString alloc] initWithCString: str_c + 7];
return self;
} else if (!strncmp(str_c, "http://", 7)) {
scheme = @"http";
str_c += 7;
} else if (!strncmp(str_c, "https://", 8)) {
scheme = @"https";
str_c += 8;
} else
@throw [OFInvalidFormatException newWithClass: isa];
if ((tmp = strchr(str_c, '/')) != NULL) {
*tmp = '\0';
tmp++;
}
if ((tmp2 = strchr(str_c, '@')) != NULL) {
char *tmp3;
*tmp2 = '\0';
tmp2++;
if ((tmp3 = strchr(str_c, ':')) != NULL) {
*tmp3 = '\0';
tmp3++;
user = [[OFString alloc]
initWithCString: str_c];
password = [[OFString alloc]
initWithCString: tmp3];
} else
user = [[OFString alloc]
initWithCString: str_c];
str_c = tmp2;
}
if ((tmp2 = strchr(str_c, ':')) != NULL) {
OFAutoreleasePool *pool;
OFString *port_str;
*tmp2 = '\0';
tmp2++;
host = [[OFString alloc] initWithCString: str_c];
pool = [[OFAutoreleasePool alloc] init];
port_str = [[OFString alloc] initWithCString: tmp2];
if ([port_str decimalValue] > 65535)
@throw [OFInvalidFormatException
newWithClass: isa];
port = [port_str decimalValue];
[pool release];
} else {
host = [[OFString alloc] initWithCString: str_c];
if ([scheme isEqual: @"http"])
port = 80;
else if ([scheme isEqual: @"https"])
port = 443;
else
assert(0);
}
if ((str_c = tmp) != NULL) {
if ((tmp = strchr(str_c, '#')) != NULL) {
*tmp = '\0';
fragment = [[OFString alloc]
initWithCString: tmp + 1];
}
if ((tmp = strchr(str_c, '?')) != NULL) {
*tmp = '\0';
query = [[OFString alloc]
initWithCString: tmp + 1];
}
if ((tmp = strchr(str_c, ';')) != NULL) {
*tmp = '\0';
parameters = [[OFString alloc]
initWithCString: tmp + 1];
}
path = [[OFString alloc] initWithFormat: @"/%s", str_c];
} else
path = @"";
} @catch (id e) {
[self release];
@throw e;
} @finally {
free(str_c2);
}
return self;
}
- initWithString: (OFString*)str
relativeToURL: (OFURL*)url
{
char *str_c, *str_c2 = NULL;
if ([str containsString: @"://"])
return [self initWithString: str];
self = [super init];
@try {
char *tmp;
scheme = [url->scheme copy];
host = [url->host copy];
port = url->port;
user = [url->user copy];
password = [url->password copy];
if ((str_c2 = strdup([str cString])) == NULL)
@throw [OFOutOfMemoryException
newWithClass: isa
requestedSize: [str cStringLength]];
str_c = str_c2;
if ((tmp = strchr(str_c, '#')) != NULL) {
*tmp = '\0';
fragment = [[OFString alloc] initWithCString: tmp + 1];
}
if ((tmp = strchr(str_c, '?')) != NULL) {
*tmp = '\0';
query = [[OFString alloc] initWithCString: tmp + 1];
}
if ((tmp = strchr(str_c, ';')) != NULL) {
*tmp = '\0';
parameters = [[OFString alloc]
initWithCString: tmp + 1];
}
if (*str_c == '/')
path = [[OFString alloc] initWithCString: str_c];
else {
OFAutoreleasePool *pool;
OFString *s;
pool = [[OFAutoreleasePool alloc] init];
if ([url->path hasSuffix: @"/"])
s = [OFString stringWithFormat: @"%@%s",
url->path,
str_c];
else
s = [OFString stringWithFormat: @"%@/../%s",
url->path,
str_c];
path = [resolve_relative_path(s) copy];
[pool release];
}
} @catch (id e) {
[self release];
@throw e;
} @finally {
free(str_c2);
}
return self;
}
- (void)dealloc
{
[scheme release];
[host release];
[user release];
[password release];
[path release];
[parameters release];
[query release];
[fragment release];
[super dealloc];
}
- (BOOL)isEqual: (id)obj
{
OFURL *url;
if (![obj isKindOfClass: [OFURL class]])
return NO;
url = obj;
if (![url->scheme isEqual: scheme])
return NO;
if (![url->host isEqual: host])
return NO;
if (url->port != port)
return NO;
if (url->user != user && ![url->user isEqual: user])
return NO;
if (url->password != password && ![url->password isEqual: password])
return NO;
if (![url->path isEqual: path])
return NO;
if (url->parameters != parameters &&
![url->parameters isEqual: parameters])
return NO;
if (url->query != query && ![url->query isEqual: query])
return NO;
if (url->fragment != fragment && ![url->fragment isEqual: fragment])
return NO;
return YES;
}
- (uint32_t)hash
{
uint32_t hash, h;
OF_HASH_INIT(hash);
ADD_STR_HASH(scheme);
ADD_STR_HASH(host);
OF_HASH_ADD(hash, (port >> 8) & 0xFF);
OF_HASH_ADD(hash, port & 0xFF);
ADD_STR_HASH(user);
ADD_STR_HASH(password);
ADD_STR_HASH(path);
ADD_STR_HASH(parameters);
ADD_STR_HASH(query);
ADD_STR_HASH(fragment);
OF_HASH_FINALIZE(hash);
return hash;
}
- copy
{
OFURL *new = [[OFURL alloc] init];
@try {
new->scheme = [scheme copy];
new->host = [host copy];
new->port = port;
new->user = [user copy];
new->password = [password copy];
new->path = [path copy];
new->parameters = [parameters copy];
new->query = [query copy];
new->fragment = [fragment copy];
} @catch (id e) {
[new release];
@throw e;
}
return new;
}
- (OFString*)scheme
{
OF_GETTER(scheme, YES)
}
- (void)setScheme: (OFString*)scheme_
{
if (![scheme_ isEqual: @"http"] && ![scheme_ isEqual: @"https"])
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
OFString *old = scheme;
scheme = [scheme_ copy];
[old release];
}
- (OFString*)host
{
OF_GETTER(host, YES)
}
- (void)setHost: (OFString*)host_
{
OF_SETTER(host, host_, YES, YES)
}
- (uint16_t)port
{
return port;
}
- (void)setPort: (uint16_t)port_
{
port = port_;
}
- (OFString*)user
{
OF_GETTER(user, YES)
}
- (void)setUser: (OFString*)user_
{
OF_SETTER(user, user_, YES, YES)
}
- (OFString*)password
{
OF_GETTER(password, YES)
}
- (void)setPassword: (OFString*)password_
{
OF_SETTER(password, password_, YES, YES)
}
- (OFString*)path
{
OF_GETTER(path, YES)
}
- (void)setPath: (OFString*)path_
{
OFString *old;
if (([scheme isEqual: @"http"] || [scheme isEqual: @"https"]) &&
![path_ hasPrefix: @"/"])
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
old = path;
path = [path_ copy];
[old release];
}
- (OFString*)parameters
{
OF_GETTER(parameters, YES)
}
- (void)setParameters: (OFString*)parameters_
{
OF_SETTER(parameters, parameters_, YES, YES)
}
- (OFString*)query
{
OF_GETTER(query, YES)
}
- (void)setQuery: (OFString*)query_
{
OF_SETTER(query, query_, YES, YES)
}
- (OFString*)fragment
{
OF_GETTER(fragment, YES)
}
- (void)setFragment: (OFString*)fragment_
{
OF_SETTER(fragment, fragment_, YES, YES)
}
- (OFString*)description
{
OFMutableString *desc = [OFMutableString stringWithFormat: @"%@://",
scheme];
BOOL needPort = YES;
if ([scheme isEqual: @"file"]) {
[desc appendString: path];
return desc;
}
if (user != nil && password != nil)
[desc appendFormat: @"%@:%@@", user, password];
else if (user != nil)
[desc appendFormat: @"%@@", user];
[desc appendString: host];
if (([scheme isEqual: @"http"] && port == 80) ||
([scheme isEqual: @"https"] && port == 443))
needPort = NO;
if (needPort)
[desc appendFormat: @":%d", port];
[desc appendString: path];
if (parameters != nil)
[desc appendFormat: @";%@", parameters];
if (query != nil)
[desc appendFormat: @"?%@", query];
if (fragment != nil)
[desc appendFormat: @"#%@", fragment];
/*
* Class swizzle the string to be immutable. We declared the return type
* to be OFString*, so it can't be modified anyway. But not swizzling it
* would create a real copy each time -[copy] is called.
*/
desc->isa = [OFString class];
return desc;
}
@end