/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "OFINIFile.h"
#import "OFArray.h"
#import "OFString.h"
#import "OFFile.h"
#import "OFINICategory.h"
#import "OFINICategory+Private.h"
#import "OFInvalidFormatException.h"
#import "OFOpenFileFailedException.h"
#import "autorelease.h"
#import "macros.h"
@interface OFINIFile (OF_PRIVATE_CATEGORY)
- (void)OF_parseFile: (OFString*)path
encoding: (of_string_encoding_t)encoding;
@end
static bool
isWhitespaceLine(OFString *line)
{
const char *cString = [line UTF8String];
size_t i, length = [line UTF8StringLength];
for (i = 0; i < length; i++) {
switch (cString[i]) {
case ' ':
case '\t':
case '\n':
case '\r':
continue;
default:
return false;
}
}
return true;
}
@implementation OFINIFile
+ (instancetype)fileWithPath: (OFString*)path
{
return [[[self alloc] initWithPath: path] autorelease];
}
+ (instancetype)fileWithPath: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
return [[[self alloc] initWithPath: path
encoding: encoding] autorelease];
}
- init
{
OF_INVALID_INIT_METHOD
}
- initWithPath: (OFString*)path
{
return [self initWithPath: path
encoding: OF_STRING_ENCODING_UTF_8];
}
- initWithPath: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
self = [super init];
@try {
_categories = [[OFMutableArray alloc] init];
[self OF_parseFile: path
encoding: encoding];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_categories release];
[super dealloc];
}
- (OFINICategory*)categoryForName: (OFString*)name
{
void *pool = objc_autoreleasePoolPush();
OFEnumerator *enumerator = [_categories objectEnumerator];
OFINICategory *category;
while ((category = [enumerator nextObject]) != nil) {
if ([[category name] isEqual: name]) {
OFINICategory *ret = [category retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
}
category = [[[OFINICategory alloc] OF_init] autorelease];
[category setName: name];
[_categories addObject: category];
[category retain];
objc_autoreleasePoolPop(pool);
return [category autorelease];
}
- (void)OF_parseFile: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
void *pool = objc_autoreleasePoolPush();
OFFile *file;
OFINICategory *category = nil;
OFString *line;
@try {
file = [OFFile fileWithPath: path
mode: @"r"];
} @catch (OFOpenFileFailedException *e) {
/* Handle missing file like an empty file */
if ([e errNo] == ENOENT)
return;
@throw e;
}
while ((line = [file readLineWithEncoding: encoding]) != nil) {
if (isWhitespaceLine(line))
continue;
if ([line hasPrefix: @"["]) {
OFString *categoryName;
if (![line hasSuffix: @"]"])
@throw [OFInvalidFormatException exception];
categoryName = [line substringWithRange:
of_range(1, [line length] - 2)];
category = [[[OFINICategory alloc]
OF_init] autorelease];
[category setName: categoryName];
[_categories addObject: category];
} else {
if (category == nil)
@throw [OFInvalidFormatException exception];
[category OF_parseLine: line];
}
}
objc_autoreleasePoolPop(pool);
}
- (void)writeToFile: (OFString*)path
{
[self writeToFile: path
encoding: OF_STRING_ENCODING_UTF_8];
}
- (void)writeToFile: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
void *pool = objc_autoreleasePoolPush();
OFFile *file = [OFFile fileWithPath: path
mode: @"w"];
OFEnumerator *enumerator = [_categories objectEnumerator];
OFINICategory *category;
bool first = true;
while ((category = [enumerator nextObject]) != nil)
if ([category OF_writeToStream: file
encoding: encoding
first: first])
first = false;
objc_autoreleasePoolPop(pool);
}
@end