/*
* Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
*
* 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.
*/
#include "config.h"
#include <errno.h>
#import "OFINIFile.h"
#import "OFArray.h"
#import "OFINICategory+Private.h"
#import "OFINICategory.h"
#import "OFIRI.h"
#import "OFIRIHandler.h"
#import "OFStream.h"
#import "OFString.h"
#import "OFInvalidFormatException.h"
#import "OFOpenItemFailedException.h"
OF_DIRECT_MEMBERS
@interface OFINIFile ()
- (void)of_parseIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding;
@end
static bool
isWhitespaceLine(OFString *line)
{
const char *cString = line.UTF8String;
size_t length = line.UTF8StringLength;
for (size_t i = 0; i < length; i++)
if (!OFASCIIIsSpace(cString[i]))
return false;
return true;
}
@implementation OFINIFile
@synthesize categories = _categories;
+ (instancetype)fileWithIRI: (OFIRI *)IRI
{
return [[[self alloc] initWithIRI: IRI] autorelease];
}
+ (instancetype)fileWithIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding
{
return [[[self alloc] initWithIRI: IRI encoding: encoding] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithIRI: (OFIRI *)IRI
{
return [self initWithIRI: IRI encoding: OFStringEncodingAutodetect];
}
- (instancetype)initWithIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding
{
self = [super init];
@try {
_categories = [[OFMutableArray alloc] init];
[self of_parseIRI: IRI 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();
OFINICategory *category;
for (category in _categories)
if ([category.name isEqual: name])
return category;
category = [[[OFINICategory alloc] of_initWithName: name] autorelease];
[_categories addObject: category];
objc_autoreleasePoolPop(pool);
return category;
}
- (void)of_parseIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding
{
void *pool = objc_autoreleasePoolPush();
OFStream *file;
OFINICategory *category = nil;
OFString *line;
if (encoding == OFStringEncodingAutodetect)
encoding = OFStringEncodingUTF8;
@try {
file = [OFIRIHandler openItemAtIRI: IRI mode: @"r"];
} @catch (OFOpenItemFailedException *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:
OFMakeRange(1, line.length - 2)];
category = [[[OFINICategory alloc]
of_initWithName: categoryName] autorelease];
[_categories addObject: category];
} else {
if (category == nil)
@throw [OFInvalidFormatException exception];
[category of_parseLine: line];
}
}
objc_autoreleasePoolPop(pool);
}
- (void)writeToIRI: (OFIRI *)IRI
{
[self writeToIRI: IRI encoding: OFStringEncodingUTF8];
}
- (void)writeToIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding
{
void *pool = objc_autoreleasePoolPush();
OFStream *file = [OFIRIHandler openItemAtIRI: IRI mode: @"w"];
bool first = true;
for (OFINICategory *category in _categories)
if ([category of_writeToStream: file
encoding: encoding
first: first])
first = false;
objc_autoreleasePoolPop(pool);
}
- (OFString *)description
{
return [OFString stringWithFormat: @"<%@: %@>",
self.class, _categories];
}
@end