samhuri.net-ios/Pods/libextobjc/extobjc/EXTADT.m
2014-10-18 14:19:51 -07:00

36 lines
1 KiB
Objective-C

//
// EXTADT.m
// extobjc
//
// Created by Justin Spahr-Summers on 25.06.12.
// Copyright (C) 2012 Justin Spahr-Summers.
// Released under the MIT license.
//
#import "EXTADT.h"
const char *ext_trimADTJunkFromTypeEncoding (const char *encoding) {
// we need to skip past two unions in the type string
const char *next;
for (int i = 0; i < 2; ++i) {
next = strstr(encoding, "(?=");
if (!next)
break;
encoding = next + 3;
}
return encoding;
}
NSString *ext_parameterNameFromDeclaration (NSString *declaration) {
NSMutableCharacterSet *identifierCharacterSet = [[NSCharacterSet alphanumericCharacterSet] mutableCopy];
[identifierCharacterSet addCharactersInString:@"$_"];
// now invert, to get all characters disallowed in identifiers
[identifierCharacterSet invert];
NSRange lastWhitespace = [declaration rangeOfCharacterFromSet:identifierCharacterSet options:NSBackwardsSearch];
return [declaration substringFromIndex:lastWhitespace.location + 1];
}