1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* ironruby@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Runtime.CompilerServices;
using IronRuby.Builtins;
using IronRuby.Runtime;
using Microsoft.Scripting.Runtime;
using System.Runtime.InteropServices;
using System.Diagnostics;
namespace IronRuby.StandardLibrary.Iconv {
// TODO: inherits from class Data
[RubyClass("Iconv", Inherits = typeof(Object))]
public class Iconv {
private Decoder _fromEncoding;
private Encoder _toEncoding;
[RubyConstructor]
[RubyMethod("open", RubyMethodAttributes.PublicSingleton)]
public static Iconv/*!*/ Create(RubyClass/*!*/ self,
[DefaultProtocol]MutableString/*!*/ toEncoding, [DefaultProtocol]MutableString/*!*/ fromEncoding) {
return Initialize(new Iconv(), toEncoding, fromEncoding);
}
// Reinitialization. Not called when a factory/non-default ctor is called.
[RubyMethod("initialize", RubyMethodAttributes.PrivateInstance)]
public static Iconv/*!*/ Initialize(Iconv/*!*/ self,
[DefaultProtocol]MutableString/*!*/ toEncoding, [DefaultProtocol]MutableString/*!*/ fromEncoding) {
self._toEncoding = RubyEncoding.GetEncodingByRubyName(toEncoding.ConvertToString()).GetEncoder();
self._fromEncoding = RubyEncoding.GetEncodingByRubyName(fromEncoding.ConvertToString()).GetDecoder();
return self;
}
[RubyMethod("iconv")]
public static MutableString/*!*/ iconv(Iconv/*!*/ self, [DefaultProtocol]MutableString/*!*/ str,
[DefaultProtocol, DefaultParameterValue(0)]int startIndex, [DefaultProtocol, DefaultParameterValue(-1)]int endIndex) {
// TODO:
int bytesUsed, charsUsed;
bool completed;
byte[] source = str.ConvertToBytes();
char[] buffer = new char[self._fromEncoding.GetCharCount(source, 0, source.Length)];
self._fromEncoding.Convert(source, 0, source.Length, buffer, 0, buffer.Length, false, out bytesUsed, out charsUsed, out completed);
Debug.Assert(charsUsed == buffer.Length && bytesUsed == source.Length);
byte[] result = new byte[self._toEncoding.GetByteCount(buffer, 0, buffer.Length, false)];
int bytesEncoded = self._toEncoding.GetBytes(buffer, 0, buffer.Length, result, 0, false);
Debug.Assert(bytesEncoded == result.Length);
return MutableString.CreateBinary(result);
}
[RubyMethod("close")]
public static MutableString/*!*/ Close(Iconv/*!*/ self) {
return null;
}
[RubyMethod("conv", RubyMethodAttributes.PublicSingleton)]
public static MutableString/*!*/ Convert(RubyClass/*!*/ self,
[DefaultProtocol]MutableString/*!*/ toEncoding, [DefaultProtocol]MutableString/*!*/ fromEncoding,
[DefaultProtocol]MutableString/*!*/ str) {
//return iconv(to, from, str).join;
return null;
}
[RubyMethod("charset_map", RubyMethodAttributes.PublicSingleton)]
public static Hash/*!*/ CharsetMap(RubyClass/*!*/ self) {
// ???
return new Hash(self.Context);
}
[RubyMethod("iconv", RubyMethodAttributes.PublicSingleton)]
public static MutableString/*!*/ iconv(RubyClass/*!*/ self,
[DefaultProtocol]MutableString/*!*/ toEncoding, [DefaultProtocol]MutableString/*!*/ fromEncoding,
[NotNull]params MutableString[]/*!*/ strings) {
//Iconv.open(to, from) { |cd|
// (strs + [nil]).collect { |s| cd.iconv(s) }
// }
return null;
}
[RubyMethod("open", RubyMethodAttributes.PublicSingleton)]
public static MutableString/*!*/ Open([NotNull]BlockParam/*!*/ block, RubyClass/*!*/ self,
[DefaultProtocol]MutableString/*!*/ toEncoding, [DefaultProtocol]MutableString/*!*/ fromEncoding) {
// Equivalent to Iconv.new except that when it is called with a block,
// it yields with the new instance and closes it, and returns the result which returned from the block.
// using Iconv.new(to, from) { yield block; } ensure close
return null;
}
}
}
|
