1 /* NSString+Utilities.m - this file is part of SOGo
3 * Copyright (C) 2006 Inverse group conseil
5 * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
7 * This file is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This file is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 #import <Foundation/NSArray.h>
24 #import <Foundation/NSCharacterSet.h>
25 #import <Foundation/NSEnumerator.h>
27 #import <NGExtensions/NGQuotedPrintableCoding.h>
29 #import "NSArray+Utilities.h"
30 #import "NSDictionary+URL.h"
32 #import "NSString+Utilities.h"
34 static NSMutableCharacterSet *urlNonEndingChars = nil;
35 static NSMutableCharacterSet *urlAfterEndingChars = nil;
37 @implementation NSString (SOGoURLExtension)
39 - (NSString *) composeURLWithAction: (NSString *) action
40 parameters: (NSDictionary *) urlParameters
41 andHash: (BOOL) useHash
43 NSMutableString *completeURL;
45 completeURL = [NSMutableString new];
46 [completeURL autorelease];
48 [completeURL appendString: [self urlWithoutParameters]];
49 if (![completeURL hasSuffix: @"/"])
50 [completeURL appendString: @"/"];
51 [completeURL appendString: action];
52 [completeURL appendString: [urlParameters asURLParameters]];
54 [completeURL appendString: @"#"];
59 - (NSString *) hostlessURL
62 NSRange hostR, locationR;
64 if ([self hasPrefix: @"/"])
71 hostR = [self rangeOfString: @"://"];
72 locationR = [[self substringFromIndex: (hostR.location + hostR.length)]
74 newURL = [self substringFromIndex: (hostR.location + hostR.length
75 + locationR.location)];
81 - (NSString *) urlWithoutParameters;
86 r = [self rangeOfString:@"?" options: NSBackwardsSearch];
88 newUrl = [self substringToIndex: NSMaxRange(r) - 1];
95 - (NSString *) davMethodToObjC
97 NSMutableString *newName;
98 NSEnumerator *components;
101 newName = [NSMutableString stringWithString: @"dav"];
102 components = [[self componentsSeparatedByString: @"-"] objectEnumerator];
103 component = [components nextObject];
106 [newName appendString: [component capitalizedString]];
107 component = [components nextObject];
113 - (NSDictionary *) asDavInvocation
115 NSMutableDictionary *davInvocation;
116 NSRange nsEnclosing, methodEnclosing;
120 if ([self hasPrefix: @"{"])
122 nsEnclosing = [self rangeOfString: @"}"];
123 length = [self length];
124 if (nsEnclosing.length > 0
125 && nsEnclosing.location < (length - 1))
127 methodEnclosing = NSMakeRange(nsEnclosing.location + 1,
128 length - nsEnclosing.location - 1);
129 nsEnclosing.length = nsEnclosing.location - 1;
130 nsEnclosing.location = 1;
131 davInvocation = [NSMutableDictionary dictionaryWithCapacity: 2];
132 [davInvocation setObject: [self substringWithRange: nsEnclosing]
134 [davInvocation setObject: [self substringWithRange: methodEnclosing]
139 return davInvocation;
142 - (NSRange) _rangeOfURLInRange: (NSRange) refRange
147 if (!urlNonEndingChars)
149 urlNonEndingChars = [NSMutableCharacterSet new];
150 [urlNonEndingChars addCharactersInString: @">&=,.:;\t \r\n"];
152 if (!urlAfterEndingChars)
154 urlAfterEndingChars = [NSMutableCharacterSet new];
155 [urlAfterEndingChars addCharactersInString: @"()[]{}&;<\t \r\n"];
158 start = refRange.location;
160 && ![urlAfterEndingChars characterIsMember:
161 [self characterAtIndex: start]])
164 length = [self length] - start;
165 workRange = NSMakeRange (start, length);
166 workRange = [self rangeOfCharacterFromSet: urlAfterEndingChars
167 options: NSLiteralSearch range: workRange];
168 if (workRange.location != NSNotFound)
169 length = workRange.location - start;
172 && [urlNonEndingChars characterIsMember:
173 [self characterAtIndex: (start + length - 1)]])
176 return NSMakeRange (start, length);
179 - (void) _handleURLs: (NSMutableString *) selfCopy
180 textToMatch: (NSString *) match
181 prefix: (NSString *) prefix
182 inRanges: (NSMutableArray *) ranges
184 NSRange httpRange, currentURL, rest;
185 NSString *urlText, *newUrlText;
186 unsigned int length, matchLength;
188 matchLength = [match length];
189 httpRange = [selfCopy rangeOfString: match];
190 while (httpRange.location != NSNotFound)
192 if ([ranges hasRangeIntersection: httpRange])
193 rest.location = NSMaxRange (httpRange);
196 currentURL = [selfCopy _rangeOfURLInRange: httpRange];
197 urlText = [selfCopy substringFromRange: currentURL];
198 if ([urlText length] > matchLength)
200 newUrlText = [NSString stringWithFormat: @"<a href=\"%@%@\">%@</a>",
201 prefix, urlText, urlText];
202 [selfCopy replaceCharactersInRange: currentURL
203 withString: newUrlText];
205 = NSMakeRange (currentURL.location, [newUrlText length]);
206 [ranges addRange: currentURL];
208 rest.location = NSMaxRange (currentURL);
210 length = [selfCopy length];
211 rest.length = length - rest.location;
212 httpRange = [selfCopy rangeOfString: match
213 options: 0 range: rest];
217 - (NSString *) stringByDetectingURLs
219 NSMutableString *selfCopy;
220 NSMutableArray *ranges;
222 ranges = [NSMutableArray new];
223 selfCopy = [NSMutableString stringWithString: self];
224 [self _handleURLs: selfCopy
228 [self _handleURLs: selfCopy
237 - (NSString *) jsonRepresentation
239 NSMutableString *representation;
241 representation = [NSMutableString stringWithString: self];
242 [representation replaceString: @"\\" withString: @"\\\\"];
243 [representation replaceString: @"\"" withString: @"\\\""];
244 [representation replaceString: @"/" withString: @"\\/"];
245 [representation replaceString: @"\b" withString: @"\\b"];
246 [representation replaceString: @"\f" withString: @"\\f"];
247 [representation replaceString: @"\n" withString: @"\\n"];
248 [representation replaceString: @"\r" withString: @"\\r"];
249 [representation replaceString: @"\t" withString: @"\\t"];
251 return [NSString stringWithFormat: @"\"%@\"", representation];
254 - (NSString *) pureEMailAddress
256 NSString *pureAddress;
259 delimiter = [self rangeOfString: @"<"];
260 if (delimiter.location == NSNotFound)
264 pureAddress = [self substringFromIndex: NSMaxRange (delimiter)];
265 delimiter = [pureAddress rangeOfString: @">"];
266 if (delimiter.location != NSNotFound)
267 pureAddress = [pureAddress substringToIndex: delimiter.location];
273 - (NSString *) asQPSubjectString: (NSString *) encoding
275 NSString *qpString, *subjectString;
276 NSData *subjectData, *destSubjectData;
278 subjectData = [self dataUsingEncoding: NSUTF8StringEncoding];
279 destSubjectData = [subjectData dataByEncodingQuotedPrintable];
281 qpString = [[NSString alloc] initWithData: destSubjectData
282 encoding: NSASCIIStringEncoding];
283 [qpString autorelease];
284 if ([qpString length] > [self length])
285 subjectString = [NSString stringWithFormat: @"=?%@?Q?%@?=",
288 subjectString = self;
290 return subjectString;
293 #if LIB_FOUNDATION_LIBRARY
296 return !([self isEqualToString: @"0"]
297 || [self isEqualToString: @"NO"]);