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 * 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"

#import "OFMutableURI.h"
#import "OFURI+Private.h"
#import "OFMutableIRI.h"
#import "OFIRI+Private.h"
#import "OFArray.h"
#import "OFDictionary.h"
#ifdef OF_HAVE_FILES
# import "OFFileManager.h"
#endif
#import "OFNumber.h"
#import "OFPair.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

@implementation OFMutableURI
@implementation OFMutableIRI
@dynamic scheme, host, percentEncodedHost, port, user, percentEncodedUser;
@dynamic password, percentEncodedPassword, path, percentEncodedPath;
@dynamic pathComponents, query, percentEncodedQuery, queryItems, fragment;
@dynamic percentEncodedFragment;

+ (instancetype)URIWithScheme: (OFString *)scheme
+ (instancetype)IRIWithScheme: (OFString *)scheme
{
	return [[[self alloc] initWithScheme: scheme] autorelease];
}

- (instancetype)initWithScheme: (OFString *)scheme
{
	self = [super of_init];
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{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _scheme;

	if (scheme.length < 1 || !OFASCIIIsAlpha(*scheme.UTF8String))
		@throw [OFInvalidFormatException exception];

	OFURIVerifyIsEscaped(scheme,
	    [OFCharacterSet URISchemeAllowedCharacterSet], false);
	OFIRIVerifyIsEscaped(scheme,
	    [OFCharacterSet IRISchemeAllowedCharacterSet], false);

	_scheme = [scheme.lowercaseString copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setHost: (OFString *)host
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedHost;

	if (OFURIIsIPv6Host(host))
	if (OFIRIIsIPv6Host(host))
		_percentEncodedHost = [[OFString alloc]
		    initWithFormat: @"[%@]", host];
	else
		_percentEncodedHost = [[host
		    stringByAddingPercentEncodingWithAllowedCharacters:
		    [OFCharacterSet URIHostAllowedCharacterSet]] copy];
		    [OFCharacterSet IRIHostAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedHost: (OFString *)percentEncodedHost
{
	OFString *old;

	if ([percentEncodedHost hasPrefix: @"["] &&
	    [percentEncodedHost hasSuffix: @"]"]) {
		if (!OFURIIsIPv6Host([percentEncodedHost substringWithRange:
		if (!OFIRIIsIPv6Host([percentEncodedHost substringWithRange:
		    OFMakeRange(1, percentEncodedHost.length - 2)]))
			@throw [OFInvalidFormatException exception];
	} else if (percentEncodedHost != nil)
		OFURIVerifyIsEscaped(percentEncodedHost,
		    [OFCharacterSet URIHostAllowedCharacterSet], true);
		OFIRIVerifyIsEscaped(percentEncodedHost,
		    [OFCharacterSet IRIHostAllowedCharacterSet], true);

	old = _percentEncodedHost;
	_percentEncodedHost = [percentEncodedHost copy];
	[old release];
}

- (void)setPort: (OFNumber *)port
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- (void)setUser: (OFString *)user
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedUser;

	_percentEncodedUser = [[user
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIUserAllowedCharacterSet]] copy];
	    [OFCharacterSet IRIUserAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedUser: (OFString *)percentEncodedUser
{
	OFString *old;

	if (percentEncodedUser != nil)
		OFURIVerifyIsEscaped(percentEncodedUser,
		    [OFCharacterSet URIUserAllowedCharacterSet], true);
		OFIRIVerifyIsEscaped(percentEncodedUser,
		    [OFCharacterSet IRIUserAllowedCharacterSet], true);

	old = _percentEncodedUser;
	_percentEncodedUser = [percentEncodedUser copy];
	[old release];
}

- (void)setPassword: (OFString *)password
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedPassword;

	_percentEncodedPassword = [[password
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIPasswordAllowedCharacterSet]] copy];
	    [OFCharacterSet IRIPasswordAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedPassword: (OFString *)percentEncodedPassword
{
	OFString *old;

	if (percentEncodedPassword != nil)
		OFURIVerifyIsEscaped(percentEncodedPassword,
		    [OFCharacterSet URIPasswordAllowedCharacterSet], true);
		OFIRIVerifyIsEscaped(percentEncodedPassword,
		    [OFCharacterSet IRIPasswordAllowedCharacterSet], true);

	old = _percentEncodedPassword;
	_percentEncodedPassword = [percentEncodedPassword copy];
	[old release];
}

- (void)setPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedPath;

	_percentEncodedPath = [[path
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIPathAllowedCharacterSet]] copy];
	    [OFCharacterSet IRIPathAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedPath: (OFString *)percentEncodedPath
{
	OFString *old;

	OFURIVerifyIsEscaped(percentEncodedPath,
	    [OFCharacterSet URIPathAllowedCharacterSet], true);
	OFIRIVerifyIsEscaped(percentEncodedPath,
	    [OFCharacterSet IRIPathAllowedCharacterSet], true);

	old = _percentEncodedPath;
	_percentEncodedPath = [percentEncodedPath copy];
	[old release];
}

- (void)setPathComponents: (OFArray *)components
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- (void)setQuery: (OFString *)query
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedQuery;

	_percentEncodedQuery = [[query
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIQueryAllowedCharacterSet]] copy];
	    [OFCharacterSet IRIQueryAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedQuery: (OFString *)percentEncodedQuery
{
	OFString *old;

	if (percentEncodedQuery != nil)
		OFURIVerifyIsEscaped(percentEncodedQuery,
		    [OFCharacterSet URIQueryAllowedCharacterSet], true);
		OFIRIVerifyIsEscaped(percentEncodedQuery,
		    [OFCharacterSet IRIQueryAllowedCharacterSet], true);

	old = _percentEncodedQuery;
	_percentEncodedQuery = [percentEncodedQuery copy];
	[old release];
}

- (void)setQueryItems:
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		[_percentEncodedQuery release];
		_percentEncodedQuery = nil;
		return;
	}

	pool = objc_autoreleasePoolPush();
	percentEncodedQuery = [OFMutableString string];
	characterSet = [OFCharacterSet URIQueryKeyValueAllowedCharacterSet];
	characterSet = [OFCharacterSet IRIQueryKeyValueAllowedCharacterSet];

	for (OFPair OF_GENERIC(OFString *, OFString *) *item in queryItems) {
		OFString *key = [item.firstObject
		    stringByAddingPercentEncodingWithAllowedCharacters:
		    characterSet];
		OFString *value = [item.secondObject
		    stringByAddingPercentEncodingWithAllowedCharacters:
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- (void)setFragment: (OFString *)fragment
{
	void *pool = objc_autoreleasePoolPush();
	OFString *old = _percentEncodedFragment;

	_percentEncodedFragment = [[fragment
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIFragmentAllowedCharacterSet]] copy];
	    [OFCharacterSet IRIFragmentAllowedCharacterSet]] copy];

	[old release];

	objc_autoreleasePoolPop(pool);
}

- (void)setPercentEncodedFragment: (OFString *)percentEncodedFragment
{
	OFString *old;

	if (percentEncodedFragment != nil)
		OFURIVerifyIsEscaped(percentEncodedFragment,
		    [OFCharacterSet URIFragmentAllowedCharacterSet], true);
		OFIRIVerifyIsEscaped(percentEncodedFragment,
		    [OFCharacterSet IRIFragmentAllowedCharacterSet], true);

	old = _percentEncodedFragment;
	_percentEncodedFragment = [percentEncodedFragment copy];
	[old release];
}

- (id)copy
{
	OFMutableURI *copy = [self mutableCopy];
	OFMutableIRI *copy = [self mutableCopy];

	[copy makeImmutable];

	return copy;
}

- (void)appendPathComponent: (OFString *)component
{
	[self appendPathComponent: component isDirectory: false];

#ifdef OF_HAVE_FILES
	if ([_scheme isEqual: @"file"] &&
	    ![_percentEncodedPath hasSuffix: @"/"] &&
	    [[OFFileManager defaultManager] directoryExistsAtURI: self]) {
	    [[OFFileManager defaultManager] directoryExistsAtIRI: self]) {
		void *pool = objc_autoreleasePoolPush();
		OFString *path = [_percentEncodedPath
		    stringByAppendingString: @"/"];

		[_percentEncodedPath release];
		_percentEncodedPath = [path retain];

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	if ([component isEqual: @"/"] && [_percentEncodedPath hasSuffix: @"/"])
		return;

	pool = objc_autoreleasePoolPush();
	component = [component
	    stringByAddingPercentEncodingWithAllowedCharacters:
	    [OFCharacterSet URIPathAllowedCharacterSet]];
	    [OFCharacterSet IRIPathAllowedCharacterSet]];

#if defined(OF_WINDOWS) || defined(OF_MSDOS)
	if ([_percentEncodedPath hasSuffix: @"/"] ||
	    ([_scheme isEqual: @"file"] &&
	    [_percentEncodedPath hasSuffix: @":"]))
#else
	if ([_percentEncodedPath hasSuffix: @"/"])
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	self.percentEncodedPath = path;

	objc_autoreleasePoolPop(pool);
}

- (void)makeImmutable
{
	object_setClass(self, [OFURI class]);
	object_setClass(self, [OFIRI class]);
}
@end