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*/
#include "config.h"
#import "OFOptionsParser.h"
#import "OFApplication.h"
#import "OFArray.h"
#import "OFMapTable.h"
#import "OFInvalidArgumentException.h"
static uint32_t
stringHash(void *value)
{
return [(OFString*)value hash];
}
static bool
stringEqual(void *value1, void *value2)
{
return [(OFString*)value1 isEqual: (OFString*)value2];
}
@implementation OFOptionsParser
+ (instancetype)parserWithOptions: (OFString*)options
+ (instancetype)parserWithOptions: (const of_options_parser_option_t*)options
{
return [[[self alloc] initWithOptions: options] autorelease];
}
- init
{
OF_INVALID_INIT_METHOD
}
- initWithOptions: (OFString*)options
- initWithOptions: (const of_options_parser_option_t*)options
{
self = [super init];
@try {
size_t count = 0;
const of_options_parser_option_t *iter;
of_options_parser_option_t *iter2;
const of_map_table_functions_t keyFunctions = {
.hash = stringHash,
.equal = stringEqual
};
const of_map_table_functions_t valueFunctions = { NULL };
/* Count, sanity check and initialize pointers */
for (iter = options;
iter->shortOption != '\0' || iter->longOption != nil;
iter++) {
if (iter->hasArgument < -1 || iter->hasArgument > 1)
@throw [OFInvalidArgumentException exception];
if (iter->shortOption != '\0' &&
iter->hasArgument == -1)
@throw [OFInvalidArgumentException exception];
if (iter->hasArgument == 0 && iter->argumentPtr != NULL)
@throw [OFInvalidArgumentException exception];
if (iter->isSpecifiedPtr)
*iter->isSpecifiedPtr = false;
if (iter->argumentPtr)
*iter->argumentPtr = nil;
count++;
}
_longOptions = [[OFMapTable alloc]
initWithKeyFunctions: keyFunctions
valueFunctions: valueFunctions];
_options = [self allocMemoryWithSize: sizeof(of_unichar_t)
count: [options length] + 1];
[options getCharacters: _options
inRange: of_range(0, [options length])];
_options[[options length]] = 0;
_options = [self
allocMemoryWithSize: sizeof(*_options)
count: count + 1];
for (iter = options, iter2 = _options;
iter->shortOption != '\0' || iter->longOption != nil;
iter++, iter2++) {
iter2->shortOption = iter->shortOption;
iter2->longOption = nil;
iter2->hasArgument = iter->hasArgument;
iter2->isSpecifiedPtr = iter->isSpecifiedPtr;
iter2->argumentPtr = iter->argumentPtr;
@try {
iter2->longOption = [iter->longOption copy];
if ([_longOptions
valueForKey: iter2->longOption] != NULL)
@throw [OFInvalidArgumentException
exception];
[_longOptions setValue: iter2
forKey: iter2->longOption];
} @catch (id e) {
/*
* Make sure we are in a consistent state where
* dealloc works.
*/
[iter2->longOption release];
iter2->shortOption = '\0';
iter2->longOption = nil;
@throw e;
}
}
_arguments = [[OFApplication arguments] retain];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
of_options_parser_option_t *iter;
[_longOptions release];
if (_options != NULL)
for (iter = _options;
iter->shortOption != '\0' || iter->longOption != nil;
iter++)
[iter->longOption release];
[_arguments release];
[_argument release];
[super dealloc];
}
- (of_unichar_t)nextOption
{
of_unichar_t *options;
of_options_parser_option_t *iter;
OFString *argument;
if (_done || _index >= [_arguments count])
return '\0';
[_lastLongOption release];
[_argument release];
_lastLongOption = nil;
_argument = nil;
argument = [_arguments objectAtIndex: _index];
if (_subIndex == 0) {
if ([argument length] < 2 ||
[argument characterAtIndex: 0] != '-') {
_done = true;
return '\0';
}
if ([argument isEqual: @"--"]) {
_done = true;
_index++;
return '\0';
}
if ([argument hasPrefix: @"--"]) {
void *pool = objc_autoreleasePoolPush();
size_t pos;
of_options_parser_option_t *option;
_lastOption = '-';
_index++;
if ((pos = [argument rangeOfString: @"="].location) !=
OF_NOT_FOUND) {
of_range_t range = of_range(pos + 1,
[argument length] - pos - 1);
_argument = [[argument
substringWithRange: range] copy];
} else
pos = [argument length];
_lastLongOption = [[argument substringWithRange:
of_range(2, pos - 2)] copy];
objc_autoreleasePoolPop(pool);
option = [_longOptions valueForKey: _lastLongOption];
if (option == nil)
return '?';
if (option->hasArgument == 1 && _argument == nil)
return ':';
if (option->hasArgument == 0 && _argument != nil)
return '=';
if (option->isSpecifiedPtr != NULL)
*option->isSpecifiedPtr = true;
if (option->argumentPtr != NULL)
*option->argumentPtr =
[[_argument copy] autorelease];
if (option->shortOption != '\0')
_lastOption = option->shortOption;
return _lastOption;
}
_subIndex = 1;
}
_lastOption = [argument characterAtIndex: _subIndex++];
if (_subIndex >= [argument length]) {
_index++;
_subIndex = 0;
}
for (options = _options; *options != 0; options++) {
if (_lastOption == *options) {
if (options[1] != ':') {
for (iter = _options;
iter->shortOption != '\0' || iter->longOption != nil; iter++) {
if (iter->shortOption == _lastOption) {
[_argument release];
_argument = nil;
}
[_argument release];
return [[_argument copy] autorelease];
OF_GETTER(_argument, true)
}
- (OFArray*)remainingArguments
{
return [_arguments objectsInRange:
of_range(_index, [_arguments count] - _index)];
}
@end
|