ObjFW  Check-in [a4c6c83384]

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Comment:Support for setting extended attributes on Linux
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SHA3-256: a4c6c83384aa48c338a01b01c809d1821eea9a6f28e3c272dfc2b32c1f1ce156
User & Date: js on 2023-01-22 22:43:18
Other Links: manifest | tags
Context
2023-01-22
23:01
Support for removing extended attributes on Linux check-in: 5a553951a5 user: js tags: trunk
22:43
Support for setting extended attributes on Linux check-in: a4c6c83384 user: js tags: trunk
21:56
Add missing #import to make GCC happy check-in: 260c9acb96 user: js tags: trunk
Changes
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Modified src/OFFileIRIHandler.m from [36e6332bf0] to [8c0c84267e].

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	[data retain];

	objc_autoreleasePoolPop(pool);

	return [data autorelease];
}

- (void)setExtendedAttributeData: (OFData *)data
			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path = IRI.fileSystemRepresentation;
	OFStringEncoding encoding = [OFLocale encoding];

	if (lsetxattr([path cStringWithEncoding: encoding],
	    [name cStringWithEncoding: encoding], data.items,
	    data.count * data.itemSize, 0) != 0) {
		int errNo = errno;

		/* TODO: Add an attribute (prefix?) for extended attributes? */
		@throw [OFSetItemAttributesFailedException
		    exceptionWithIRI: IRI
			  attributes: [OFDictionary dictionary]
		     failedAttribute: @""
			       errNo: errNo];
	}

	objc_autoreleasePoolPop(pool);
}
#endif
@end

Modified src/OFFileManager.h from [59114baee3] to [9eaa95b3c2].

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 *					 scheme
 */
- (void)createSymbolicLinkAtIRI: (OFIRI *)IRI
	    withDestinationPath: (OFString *)target;

#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
/**
 * @brief Returns the extended attribute with the specified name for the
 * @brief Returns the extended attribute data for the specified name for the
 *	  specified path.
 *
 * @param name The name of the extended attribute
 * @param path The path of the item to return the extended attribute from
 * @throw OFGetItemAttributesFailedException Getting the extended attribute
 *					     failed
 * @throw OFNotImplementedException Getting extended attributes is not
 *				    implemented for the specified item
 */
- (OFData *)extendedAttributeForName: (OFString *)name
			ofItemAtPath: (OFString *)path;
- (OFData *)extendedAttributeDataForName: (OFString *)name
			    ofItemAtPath: (OFString *)path;
#endif

/**
 * @brief Returns the extended attribute with the specified name for the
 * @brief Returns the extended attribute data for the specified name for the
 *	  specified IRI.
 *
 * This method is not available for all IRIs.
 *
 * @param name The name of the extended attribute
 * @param IRI The IRI of the item to return the extended attribute from
 * @throw OFGetItemAttributesFailedException Getting the extended attribute
 *					     failed
 * @throw OFUnsupportedProtocolException No handler is registered for the IRI's
 *					 scheme
 * @throw OFNotImplementedException Getting extended attributes is not
 *				    implemented for the specified item
 */
- (OFData *)extendedAttributeForName: (OFString *)name
			 ofItemAtIRI: (OFIRI *)IRI;
- (OFData *)extendedAttributeDataForName: (OFString *)name
			     ofItemAtIRI: (OFIRI *)IRI;

#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
/**
 * @brief Sets the extended attribute data for the specified name for the
 *	  specified IRI.
 *
 * This method is not available for all IRIS.
 *
 * @param data The data for the extended attribute
 * @param name The name of the extended attribute
 * @param path The path of the item to set the extended attribute on
 * @throw OFSetItemAttributesFailedException Setting the extended attribute
 *					     failed
 * @throw OFNotImplementedException Setting extended attributes is not
 *				    implemented for the specified item
 */
- (void)setExtendedAttributeData: (OFData *)data
			 forName: (OFString *)name
		    ofItemAtPath: (OFString *)path;
#endif

/**
 * @brief Sets the extended attribute data for the specified name for the
 *	  specified IRI.
 *
 * This method is not available for all IRIS.
 *
 * @param data The data for the extended attribute
 * @param name The name of the extended attribute
 * @param IRI The IRI of the item to set the extended attribute on
 * @throw OFSetItemAttributesFailedException Setting the extended attribute
 *					     failed
 * @throw OFUnsupportedProtocolException No handler is registered for the IRI's
 *					 scheme
 * @throw OFNotImplementedException Setting extended attributes is not
 *				    implemented for the specified item
 */
- (void)setExtendedAttributeData: (OFData *)data
			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI;
@end

@interface OFDictionary (FileAttributes)
/**
 * @brief The @ref OFFileSize key from the dictionary.
 *
 * @throw OFUndefinedKeyException The key is missing
︙

Modified src/OFFileManager.m from [5adb6092f8] to [b17fc97839].

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- (OFIRI *)currentDirectoryIRI
{
	void *pool = objc_autoreleasePoolPush();
	OFIRI *ret;

	ret = [OFIRI fileIRIWithPath: self.currentDirectoryPath];
	ret = [ret retain];

	[ret retain];
	objc_autoreleasePoolPop(pool);
	return [ret autorelease];
}
#endif

- (OFFileAttributes)attributesOfItemAtIRI: (OFIRI *)IRI
{
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#ifdef OF_HAVE_FILES
- (OFFileAttributes)attributesOfItemAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	OFFileAttributes ret;

	ret = [self attributesOfItemAtIRI: [OFIRI fileIRIWithPath: path]];

	[ret retain];
	ret = [ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
#endif
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	IRIs = [self contentsOfDirectoryAtIRI: [OFIRI fileIRIWithPath: path]];
	ret = [OFMutableArray arrayWithCapacity: IRIs.count];

	for (OFIRI *IRI in IRIs)
		[ret addObject: IRI.lastPathComponent];

	[ret makeImmutable];
	[ret retain];
	ret = [ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}

- (OFArray OF_GENERIC(OFString *) *)subpathsOfDirectoryAtPath: (OFString *)path
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		else
			[ret addObject: fullSubpath];

		objc_autoreleasePoolPop(pool2);
	}

	[ret makeImmutable];
	[ret retain];
	ret = [ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}

- (void)changeCurrentDirectoryPath: (OFString *)path
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	void *pool = objc_autoreleasePoolPush();
	[self createSymbolicLinkAtIRI: [OFIRI fileIRIWithPath: path]
		  withDestinationPath: target];
	objc_autoreleasePoolPop(pool);
}
#endif

- (OFData *)extendedAttributeDataForName: (OFString *)name
- (OFData *)extendedAttributeForName: (OFString *)name ofItemAtIRI: (OFIRI *)IRI
			     ofItemAtIRI: (OFIRI *)IRI
{
	OFIRIHandler *IRIHandler;

	if (IRI == nil)
		@throw [OFInvalidArgumentException exception];

	if ((IRIHandler = [OFIRIHandler handlerForIRI: IRI]) == nil)
		@throw [OFUnsupportedProtocolException exceptionWithIRI: IRI];

	return [IRIHandler extendedAttributeDataForName: name ofItemAtIRI: IRI];
}

#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
- (OFData *)extendedAttributeDataForName: (OFString *)name
			    ofItemAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	OFData *ret;

	ret = [self
	    extendedAttributeDataForName: name
			     ofItemAtIRI: [OFIRI fileIRIWithPath: path]];
	ret = [ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
#endif

- (void)setExtendedAttributeData: (OFData *)data
			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI
{
	OFIRIHandler *IRIHandler;

	if (IRI == nil)
		@throw [OFInvalidArgumentException exception];

	if ((IRIHandler = [OFIRIHandler handlerForIRI: IRI]) == nil)
		@throw [OFUnsupportedProtocolException exceptionWithIRI: IRI];

	[IRIHandler setExtendedAttributeData: data
				     forName: name
	return [IRIHandler extendedAttributeForName: name ofItemAtIRI: IRI];
				 ofItemAtIRI: IRI];
}

#ifdef OF_FILE_MANAGER_SUPPORTS_EXTENDED_ATTRIBUTES
- (void)setExtendedAttributeData: (OFData *)data
- (OFData *)extendedAttributeForName: (OFString *)name
			ofItemAtPath: (OFString *)path
			 forName: (OFString *)name
		    ofItemAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	OFData *ret;

	ret = [self extendedAttributeForName: name
				 ofItemAtIRI: [OFIRI fileIRIWithPath: path]];
	[self setExtendedAttributeData: data
			       forName: name
			   ofItemAtIRI: [OFIRI fileIRIWithPath: path]];
	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
#endif
@end

@implementation OFDefaultFileManager
- (instancetype)autorelease
{
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Modified src/OFIRIHandler.h from [a1527ceca1] to [326ecbc167].

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 * @param attributes The attributes to set for the specified IRI
 * @param IRI The IRI of the item to set the attributes for
 * @@throw OFSetItemAttributesFailedException Failed to set the attributes of
 *					      the item
 * @throw OFUnsupportedProtocolException The handler cannot handle the IRI's
 *					 scheme
 * @throw OFNotImplementedException Setting one or more of the specified
 *				    attributes is not implpemented for the
 *				    attributes is not implemented for the
 *				    specified item
 */
- (void)setAttributes: (OFFileAttributes)attributes ofItemAtIRI: (OFIRI *)IRI;

/**
 * @brief Checks whether a file exists at the specified IRI.
 *
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 *
 * This method is not available for all IRIs.
 *
 * @param name The name of the extended attribute
 * @param IRI The IRI of the item to return the extended attribute from
 * @throw OFGetItemAttributesFailedException Getting the extended attribute
 *					     failed
 * @throw OFNotImplementedException Getting extended attributes is not
 *				    implemented for the specified item
 */
- (OFData *)extendedAttributeForName: (OFString *)name
			 ofItemAtIRI: (OFIRI *)IRI;
- (OFData *)extendedAttributeDataForName: (OFString *)name
			     ofItemAtIRI: (OFIRI *)IRI;

/**
 * @brief Sets the extended attribute data for the specified name for the
 *	  specified IRI.
 *
 * This method is not available for all IRIS.
 *
 * @param data The data for the extended attribute
 * @param name The name of the extended attribute
 * @param IRI The IRI of the item to set the extended attribute on
 * @throw OFSetItemAttributesFailedException Setting the extended attribute
 *					     failed
 * @throw OFUnsupportedProtocolException No handler is registered for the IRI's
 *					 scheme
 * @throw OFNotImplementedException Setting extended attributes is not
 *				    implemented for the specified item
 */
- (void)setExtendedAttributeData: (OFData *)data
			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI;
@end

OF_ASSUME_NONNULL_END

Modified src/OFIRIHandler.m from [1620a3cb28] to [eaf120f6b8].

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}

- (bool)moveItemAtIRI: (OFIRI *)source toIRI: (OFIRI *)destination
{
	return false;
}

- (OFData *)extendedAttributeDataForName: (OFString *)name
- (OFData *)extendedAttributeForName: (OFString *)name ofItemAtIRI: (OFIRI *)IRI
			     ofItemAtIRI: (OFIRI *)IRI
{
	OF_UNRECOGNIZED_SELECTOR
}
	return nil;

- (void)setExtendedAttributeData: (OFData *)data
			 forName: (OFString *)name
		     ofItemAtIRI: (OFIRI *)IRI
{
	OF_UNRECOGNIZED_SELECTOR
}
@end

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