cog/Plugins/Pls/PlsContainer.m

128 lines
3.6 KiB
Objective-C

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