155 lines
3.8 KiB
Objective-C
155 lines
3.8 KiB
Objective-C
/* MAPIStoreMIME.m - this file is part of SOGo
|
|
*
|
|
* Copyright (C) 2011-2012 Inverse inc
|
|
*
|
|
* Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
|
|
*
|
|
* This file is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This file is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#import <Foundation/NSData.h>
|
|
#import <Foundation/NSDictionary.h>
|
|
#import <Foundation/NSFileHandle.h>
|
|
#import <Foundation/NSString.h>
|
|
|
|
#import "MAPIStoreMIME.h"
|
|
|
|
/* Seems common to all distros ? */
|
|
#define MAPIStoreMIMEFile @"/etc/mime.types"
|
|
|
|
@implementation MAPIStoreMIME
|
|
|
|
+ (id) sharedMAPIStoreMIME
|
|
{
|
|
static MAPIStoreMIME *sharedInstance = nil;
|
|
|
|
if (!sharedInstance)
|
|
sharedInstance = [self new];
|
|
|
|
return sharedInstance;
|
|
}
|
|
|
|
- (void) _parseLine: (const char *) line
|
|
withLength: (NSUInteger) length
|
|
{
|
|
NSUInteger count = 0, lastWord = 0;
|
|
NSString *mimeType = nil, *word;
|
|
NSData *wordData;
|
|
BOOL comment = NO;
|
|
|
|
while (count < length && !comment)
|
|
{
|
|
while (count < length
|
|
&& (line[count] == ' ' || line[count] == '\t'))
|
|
count++;
|
|
lastWord = count;
|
|
while (count < length
|
|
&& line[count] != ' ' && line[count] != '\t'
|
|
&& !comment)
|
|
{
|
|
if (line[count] == '#')
|
|
comment = YES;
|
|
else
|
|
count++;
|
|
}
|
|
if (count > lastWord)
|
|
{
|
|
wordData = [NSData dataWithBytes: line + lastWord
|
|
length: count - lastWord];
|
|
word = [[NSString alloc] initWithData: wordData
|
|
encoding: NSASCIIStringEncoding];
|
|
if (word)
|
|
{
|
|
if (mimeType)
|
|
{
|
|
[mimeDict setObject: mimeType forKey: word];
|
|
[word release];
|
|
}
|
|
else
|
|
mimeType = word;
|
|
}
|
|
}
|
|
}
|
|
|
|
[mimeType release];
|
|
}
|
|
|
|
- (void) _parseContent: (NSData *) content
|
|
{
|
|
const char *data;
|
|
NSUInteger lineStart = 0, bytesRead = 0, max;
|
|
|
|
data = [content bytes];
|
|
max = [content length];
|
|
bytesRead = 0;
|
|
lineStart = 0;
|
|
|
|
while (bytesRead < max)
|
|
{
|
|
if (data[bytesRead] == '\n')
|
|
{
|
|
[self _parseLine: data + lineStart withLength: bytesRead - lineStart];
|
|
lineStart = bytesRead + 1;
|
|
}
|
|
else if (data[bytesRead] == '\r')
|
|
{
|
|
[self _parseLine: data + lineStart withLength: bytesRead - lineStart];
|
|
if (bytesRead < (max - 1) && data[bytesRead] == '\n')
|
|
lineStart = bytesRead + 2;
|
|
else
|
|
lineStart = bytesRead + 1;
|
|
}
|
|
bytesRead++;
|
|
}
|
|
|
|
if (bytesRead > (lineStart + 1))
|
|
[self _parseLine: data + lineStart withLength: bytesRead - lineStart];
|
|
}
|
|
|
|
- (void) _readMIMEFile
|
|
{
|
|
NSFileHandle *inH;
|
|
NSData *content;
|
|
|
|
inH = [NSFileHandle fileHandleForReadingAtPath: MAPIStoreMIMEFile];
|
|
content = [inH readDataToEndOfFile];
|
|
[self _parseContent: content];
|
|
}
|
|
|
|
- (id) init
|
|
{
|
|
if ((self = [super init]))
|
|
{
|
|
mimeDict = [NSMutableDictionary new];
|
|
[self _readMIMEFile];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void) dealloc
|
|
{
|
|
[mimeDict release];
|
|
[super dealloc];
|
|
}
|
|
|
|
- (NSString *) mimeTypeForExtension: (NSString *) extension
|
|
{
|
|
return [mimeDict objectForKey: [extension lowercaseString]];
|
|
}
|
|
|
|
@end
|