derelict.sdl.macinit.NSString source code

1 /*
2 
3 Boost Software License - Version 1.0 - August 17th, 2003
4 
5 Permission is hereby granted, free of charge, to any person or organization
6 obtaining a copy of the software and accompanying documentation covered by
7 this license (the "Software") to use, reproduce, display, distribute,
8 execute, and transmit the Software, and to prepare derivative works of the
9 Software, and to permit third-parties to whom the Software is furnished to
10 do so, all subject to the following:
11 
12 The copyright notices in the Software and this entire statement, including
13 the above license grant, this restriction and the following disclaimer,
14 must be included in all copies of the Software, in whole or in part, and
15 all derivative works of the Software, unless such copies or derivative
16 works are solely in the form of machine-executable object code generated by
17 a source language processor.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
22 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
23 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
24 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 DEALINGS IN THE SOFTWARE.
26 
27 */
28 module derelict.sdl.macinit.NSString;
29 
30 version(DigitalMars) version(OSX) version = darwin;
31 
32 version (darwin):
33 
34 version (Tango)
35 {
36     import tango.text.convert.Utf : toString16;
37     import tango.stdc.stringz : toString16z;
38 }
39 
40 else
41     import std.utf : toUTF16z;
42 
43 import derelict.sdl.macinit.ID;
44 import derelict.sdl.macinit.NSGeometry;
45 import derelict.sdl.macinit.NSObject;
46 import derelict.sdl.macinit.NSZone;
47 import derelict.sdl.macinit.runtime;
48 import derelict.sdl.macinit.selectors;
49 import derelict.sdl.macinit.string;
50 import derelict.util.compat;
51 
52 package:
53 
54 class NSString : NSObject
55 {
56     this ()
57     {
58         id_ = null;
59     }
60 
61     this (id id_)
62     {
63         this.id_ = id_;
64     }
65 
66     static NSString alloc ()
67     {
68         id result = objc_msgSend(cast(id)class_, sel_alloc);
69         return result ? new NSString(result) : null;
70     }
71 
72     static Class class_ ()
73     {
74         return cast(Class) objc_getClass!(this.stringof);
75     }
76 
77     override NSString init ()
78     {
79         id result = objc_msgSend(this.id_, sel_init);
80         return result ? this : null;
81     }
82 
83     static NSString stringWith (string str)
84     {
85         version (Tango)
86             id result = objc_msgSend(class_NSString, sel_stringWithCharacters_length, toString16z(str.toString16()), str.length);
87 
88         else
89             id result = objc_msgSend(class_NSString, sel_stringWithCharacters_length, str.toUTF16z(), str.length);
90 
91         return result !is null ? new NSString(result) : null;
92     }
93 
94     static NSString opAssign (string str)
95     {
96         return stringWith(str);
97     }
98 
99     NSUInteger length ()
100     {
101         return cast(NSUInteger) objc_msgSend(this.id_, sel_length);
102     }
103 
104     /*const*/ char* UTF8String ()
105     {
106         return cast(/*const*/ char*) objc_msgSend(this.id_, sel_UTF8String);
107     }
108 
109     void getCharacters (wchar* buffer, NSRange range)
110     {
111         objc_msgSend(this.id_, sel_getCharacters_range, buffer, range);
112     }
113 
114     NSString stringWithCharacters (/*const*/ wchar* chars, NSUInteger length)
115     {
116         id result = objc_msgSend(this.id_, sel_stringWithCharacters_length, chars, length);
117         return result ? new NSString(result) : null;
118     }
119 
120     NSRange rangeOfString (NSString aString)
121     {
122         return *cast(NSRange*) objc_msgSend(this.id_, sel_rangeOfString, aString ? aString.id_ : null);
123     }
124 
125     NSString stringByAppendingString (NSString aString)
126     {
127         id result = objc_msgSend(this.id_, sel_stringByAppendingString, aString ? aString.id_ : null);
128         return result ? new NSString(result) : null;
129     }
130 
131     NSString stringByReplacingRange (NSRange aRange, NSString str)
132     {
133         size_t bufferSize;
134         size_t selfLen = this.length;
135         size_t aStringLen = str.length;
136         wchar* buffer;
137         NSRange localRange;
138         NSString result;
139 
140         bufferSize = selfLen + aStringLen - aRange.length;
141         buffer = cast(wchar*)NSAllocateMemoryPages(cast(uint)(bufferSize * wchar.sizeof));
142 
143         /* Get first part into buffer */
144         localRange.location = 0;
145         localRange.length = aRange.location;
146         this.getCharacters(buffer, localRange);
147 
148         /* Get middle part into buffer */
149         localRange.location = 0;
150         localRange.length = aStringLen;
151         str.getCharacters(buffer + aRange.location, localRange);
152 
153         /* Get last part into buffer */
154         localRange.location = aRange.location + aRange.length;
155         localRange.length = selfLen - localRange.location;
156         this.getCharacters(buffer + aRange.location + aStringLen, localRange);
157 
158         /* Build output string */
159         result = NSString.stringWithCharacters(buffer, cast(uint)(bufferSize));
160 
161         NSDeallocateMemoryPages(buffer, cast(uint)(bufferSize));
162 
163         return result;
164     }
165 }