/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* Jonathan Schleifer <js@heap.zone>
*
* 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 "OFString.h"
#import "OFFile.h"
#import "OFINICategory.h"
#import "OFINICategory+Private.h"
#import "OFInvalidFormatException.h"
#import "OFOpenItemFailedException.h"
@interface OFINIFile ()
- (void)of_parseFile: (OFString *)path
encoding: (of_string_encoding_t)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 (!of_ascii_isspace(cString[i]))
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];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithPath: (OFString *)path
{
return [self initWithPath: path
encoding: OF_STRING_ENCODING_UTF_8];
}
- (instancetype)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();
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_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 (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:
of_range(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)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"];
bool first = true;
for (OFINICategory *category in _categories)
if ([category of_writeToStream: file
encoding: encoding
first: first])
first = false;
objc_autoreleasePoolPop(pool);
}
@end