Add PMPackage and PMDatabase classes

Signed-off-by: Sebastian Nowicki <sebnow@gmail.com>

Classes/PMDatabase.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2008 Sebastian Nowicki <sebnow@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface PMDatabase : NSObject {
+@package
+	struct __pmdb_t *_database;
+}
+
+- (NSArray *) filteredPackagesUsingPredicate:(NSPredicate *)thePredicate;
+- (NSArray *) packages;
+
+@end

Classes/PMDatabase.m

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2008 Sebastian Nowicki <sebnow@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#import "PMDatabase.h"
+#import <alpm.h>
+#import "PMPackage.h"
+
+@implementation PMDatabase
+
+- (void) dealloc
+{
+	alpm_db_unregister(_database);
+	[super dealloc];
+}
+
+- (NSArray *) packages
+{
+	size_t count;
+	NSMutableArray *packages;
+	alpm_list_t *list;
+	alpm_list_t *node;
+	PMPackage *package;
+	pmpkg_t *alpmPackage;
+	NSString *name;
+	NSArray *result;
+
+	list = alpm_db_getpkgcache(_database);
+	count = alpm_list_count(list);
+	packages = [[NSMutableArray alloc] initWithCapacity:count];
+	for(node = list; node != NULL; node = alpm_list_next(node)) {
+		alpmPackage = alpm_list_getdata(node);
+		name = [[NSString alloc] initWithUTF8String:alpm_pkg_get_name(alpmPackage)];
+		package = [[PMPackage alloc] initWithName:name fromDatabase:self];
+		[name release];
+		[packages addObject:package];
+		[package release];
+	}
+	result = [NSArray arrayWithArray:packages];
+	[packages release];
+	return result;
+}
+
+- (NSArray *) filteredPackagesUsingPredicate:(NSPredicate *)thePredicate
+{
+	NSArray *packages = [self packages];
+	return [packages filteredArrayUsingPredicate:thePredicate];
+}
+
+@end

Classes/PMPackage.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2008 Sebastian Nowicki <sebnow@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#import <Foundation/Foundation.h>
+
+@class PMDatabase;
+
+@interface PMPackage : NSObject {
+@package
+	struct __pmpkg_t *_package;
+	PMDatabase *_database;
+	NSString *_name;
+	NSString *_version;
+	NSURL *_url;
+	NSString *_description;
+	NSString *_packager;
+	NSNumber *_size;
+}
+
+@property (nonatomic, readonly) NSString *name;
+@property (nonatomic, readonly) NSString *version;
+@property (nonatomic, readonly) NSURL *url;
+@property (nonatomic, readonly) PMDatabase *database;
+@property (nonatomic, readonly) NSString *description;
+@property (nonatomic, readonly) NSString *packager;
+@property (nonatomic, readonly) NSNumber *size;
+
+- (id) initWithName:(NSString *)aName fromDatabase:(PMDatabase *)theDatabase;
+
+@end

Classes/PMPackage.m

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2008 Sebastian Nowicki <sebnow@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#import "PMPackage.h"
+#import <alpm.h>
+#import <alpm_list.h>
+#import "PMDatabase.h"
+
+@implementation PMPackage
+@synthesize name = _name;
+@synthesize version = _version;
+@synthesize database = _database;
+@synthesize description = _description;
+@synthesize packager = _packager;
+@synthesize size = _size;
+
+- (id) initWithName:(NSString *)aName fromDatabase:(PMDatabase *)theDatabase
+{
+	self = [super init];
+	if(self != nil) {
+		_package = alpm_db_get_pkg(theDatabase->_database, [aName UTF8String]);
+		if(_package == NULL) {
+			return nil;
+		}
+		_database = [theDatabase retain];
+		_name = [[NSString alloc] initWithUTF8String:alpm_pkg_get_name(_package)];
+		_version = [[NSString alloc] initWithUTF8String:alpm_pkg_get_version(_package)];
+	}
+	return self;
+}
+
+- (void) dealloc
+{
+	[_database release];
+	[_name release];
+	[_packager release];
+	[_version release];
+	[_size release];
+	[_description release];
+	[_url release];
+	[super dealloc];
+}
+
+- (NSString *) packager
+{
+	if(_packager == nil) {
+		_packager = [[NSString alloc] initWithUTF8String:alpm_pkg_get_packager(_package)];
+	}
+	return _packager;
+}
+
+- (NSNumber *) size
+{
+	if(_size == nil) {
+		unsigned long long size = alpm_pkg_get_size(_package);
+		_size = [[NSNumber alloc] initWithUnsignedLongLong:size];
+	}
+	return _size;
+}
+
+- (NSString *) description
+{
+	if(_description == nil) {
+		_description = [[NSString alloc] initWithUTF8String:alpm_pkg_get_desc(_package)];
+	}
+	return _description;
+}
+
+- (NSURL *) url
+{
+	if(_url == nil) {
+		NSString *url = [[NSString alloc] initWithUTF8String:alpm_pkg_get_url(_package)];
+		_url = [[NSURL alloc] initWithString:url];
+		[url release];
+	}
+	return _url;
+}
+
+@end