128 lines
3.6 KiB
Objective-C
128 lines
3.6 KiB
Objective-C
//
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// PlsContainer.m
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// Pls
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//
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// Created by Zaphod Beeblebrox on 10/8/07.
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// Copyright 2007 __MyCompanyName__. All rights reserved.
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//
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#import "PlsContainer.h"
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#import "Logging.h"
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@implementation PlsContainer
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+ (NSArray *)fileTypes
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{
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return [NSArray arrayWithObject:@"pls"];
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}
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+ (NSArray *)mimeTypes
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{
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return [NSArray arrayWithObjects:@"audio/x-scpls", @"application/pls", nil];
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}
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+ (NSURL *)urlForPath:(NSString *)path relativeTo:(NSString *)baseFilename
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{
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NSRange protocolRange = [path rangeOfString:@"://"];
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if (protocolRange.location != NSNotFound)
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{
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return [NSURL URLWithString:path];
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}
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NSMutableString *unixPath = [path mutableCopy];
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//Get the fragment
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NSString *fragment = @"";
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NSScanner *scanner = [NSScanner scannerWithString:unixPath];
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NSCharacterSet *characterSet = [NSCharacterSet characterSetWithCharactersInString:@"#1234567890"];
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while (![scanner isAtEnd]) {
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NSString *possibleFragment;
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[scanner scanUpToString:@"#" intoString:nil];
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if ([scanner scanCharactersFromSet:characterSet intoString:&possibleFragment] && [scanner isAtEnd])
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{
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fragment = possibleFragment;
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[unixPath deleteCharactersInRange:NSMakeRange([scanner scanLocation] - [possibleFragment length], [possibleFragment length])];
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break;
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}
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}
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DLog(@"Fragment: %@", fragment);
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if (![unixPath hasPrefix:@"/"]) {
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//Only relative paths would have windows backslashes.
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[unixPath replaceOccurrencesOfString:@"\\" withString:@"/" options:0 range:NSMakeRange(0, [unixPath length])];
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NSString *basePath = [[[baseFilename stringByStandardizingPath] stringByDeletingLastPathComponent] stringByAppendingString:@"/"];
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[unixPath insertString:basePath atIndex:0];
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}
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//Append the fragment
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NSURL *url = [NSURL URLWithString:[[[NSURL fileURLWithPath:unixPath] absoluteString] stringByAppendingString: fragment]];
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[unixPath release];
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return url;
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}
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+ (NSArray *)urlsForContainerURL:(NSURL *)url
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{
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if (![url isFileURL])
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return [NSArray array];
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NSString *filename = [url path];
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NSStringEncoding encoding;
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NSError *error;
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NSString *contents = [NSString stringWithContentsOfFile:filename usedEncoding:&encoding error:&error];
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if (error) {
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DLog(@"Trying UTF8");
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error = nil;
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contents = [NSString stringWithContentsOfFile:filename encoding:NSUTF8StringEncoding error:&error];
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}
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if (error) {
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DLog(@"Trying windows CP1251");
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error = nil;
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contents = [NSString stringWithContentsOfFile:filename encoding:NSWindowsCP1251StringEncoding error:&error];
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}
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if (error) {
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DLog(@"Trying latin1");
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error = nil;
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contents = [NSString stringWithContentsOfFile:filename encoding:NSISOLatin1StringEncoding error:&error];
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}
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if (error || !contents) {
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ALog(@"Could not open file...%@ %@ %@", filename, contents, error);
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return nil;
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}
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NSMutableArray *entries = [NSMutableArray array];
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for (NSString *entry in [contents componentsSeparatedByString:@"\n"])
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{
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entry = [entry stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
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NSScanner *scanner = [[NSScanner alloc] initWithString:entry];
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NSString *lhs = nil;
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NSString *rhs = nil;
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if (![scanner scanUpToString:@"=" intoString:&lhs] || // get LHS
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![scanner scanString:@"=" intoString:nil] || // skip the =
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![scanner scanUpToString:@"" intoString:&rhs] || // get RHS
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[lhs rangeOfString:@"File" options:NSCaseInsensitiveSearch|NSAnchoredSearch].location == NSNotFound) // We only want file entries
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{
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[scanner release];
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continue;
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}
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//need to add basepath if its a file, and convert to URL
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[entries addObject:[self urlForPath:rhs relativeTo:filename]];
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[scanner release];
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}
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return entries;
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}
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@end
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