147 lines
4.1 KiB
Objective-C
147 lines
4.1 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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return @[@"pls"];
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}
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+ (NSArray *)mimeTypes {
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return @[@"audio/x-scpls", @"application/pls"];
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}
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+ (float)priority {
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return 1.0f;
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}
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+ (NSURL *)urlForPath:(NSString *)path relativeTo:(NSString *)baseFilename {
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NSRange protocolRange = [path rangeOfString:@"://"];
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if(protocolRange.location != NSNotFound) {
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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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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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return url;
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}
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+ (NSArray *)urlsForContainerURL:(NSURL *)url {
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char *filecontents = nil;
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{
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id audioSourceClass = NSClassFromString(@"AudioSource");
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id<CogSource> source = [audioSourceClass audioSourceForURL:url];
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if(![source open:url])
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return @[];
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long size = 0;
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long bytesread = 0;
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do {
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filecontents = (char *)realloc(filecontents, size + 1024);
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bytesread = [source read:(filecontents + size) amount:1024];
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size += bytesread;
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} while(bytesread == 1024);
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filecontents = (char *)realloc(filecontents, size + 1);
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filecontents[size] = '\0';
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}
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// Handle macOS Classic and Windows line endings
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{
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char *contentsscan = filecontents;
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while(*contentsscan) {
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if(*contentsscan == '\r')
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*contentsscan = '\n';
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++contentsscan;
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}
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}
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DLog(@"Trying UTF8");
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NSStringEncoding encoding = NSUTF8StringEncoding;
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NSString *contents = [NSString stringWithCString:filecontents encoding:encoding];
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if(!contents) {
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DLog(@"Trying windows GB 18030 2000");
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contents = [NSString stringWithCString:filecontents encoding:CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000)];
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}
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if(!contents) {
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DLog(@"Trying windows CP1251");
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contents = [NSString stringWithCString:filecontents encoding:NSWindowsCP1251StringEncoding];
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}
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if(!contents) {
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DLog(@"Trying latin1");
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contents = [NSString stringWithCString:filecontents encoding:NSISOLatin1StringEncoding];
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}
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free(filecontents);
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if(!contents) {
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ALog(@"Could not open file...%@ %@", url, contents);
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return @[];
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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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NSString *_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"
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options:NSCaseInsensitiveSearch | NSAnchoredSearch]
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.location == NSNotFound) // We only want file entries
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{
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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:[url path]]];
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}
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return entries;
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}
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@end
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