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1
11 package org.eclipse.swt.internal.win32;
12
13
14
22
23 public class TCHAR {
24 int codePage;
25 public char [] chars;
26 public byte [] bytes;
27 int byteCount;
28
29 public final static int sizeof = OS.IsUnicode ? 2 : 1;
30
31 public TCHAR (int codePage, int length) {
32 this.codePage = codePage;
33 if (OS.IsUnicode) {
34 chars = new char [length];
35 } else {
36 bytes = new byte [byteCount = length];
37 }
38 }
39
40 public TCHAR (int codePage, char ch, boolean terminate) {
41 this (codePage, terminate ? new char [] {ch, '\0'} : new char [] {ch}, false);
42 }
43
44 public TCHAR (int codePage, char [] chars, boolean terminate) {
45 this.codePage = codePage;
46 int charCount = chars.length;
47 if (OS.IsUnicode) {
48 if (terminate) {
49 if (charCount == 0 || (charCount > 0 && chars [charCount - 1] != 0)) {
50 char [] newChars = new char [charCount + 1];
51 System.arraycopy (chars, 0, newChars, 0, charCount);
52 chars = newChars;
53 }
54 }
55 this.chars = chars;
56 } else {
57 int cp = codePage != 0 ? codePage : OS.CP_ACP;
58 bytes = new byte [byteCount = charCount * 2 + (terminate ? 1 : 0)];
59 byteCount = OS.WideCharToMultiByte (cp, 0, chars, charCount, bytes, byteCount, null, null);
60 if (terminate) byteCount++;
61 }
62 }
63
64 public TCHAR (int codePage, String  string, boolean terminate) {
65 this (codePage, getChars (string, terminate), false);
66 }
67
68 static char [] getChars (String string, boolean terminate) {
69 int length = string.length ();
70 char [] chars = new char [length + (terminate ? 1 : 0)];
71 string.getChars (0, length, chars, 0);
72 return chars;
73 }
74
75 public int length () {
76 if (OS.IsUnicode) {
77 return chars.length;
78 } else {
79 return byteCount;
80 }
81 }
82
83 public int strlen () {
84 if (OS.IsUnicode) {
85 for (int i=0; i<chars.length; i++) {
86 if (chars [i] == '\0') return i;
87 }
88 return chars.length;
89 } else {
90 for (int i=0; i<byteCount; i++) {
91 if (bytes [i] == '\0') return i;
92 }
93 return byteCount;
94 }
95 }
96
97 public int tcharAt (int index) {
98 if (OS.IsUnicode) {
99 return chars [index];
100 } else {
101 int ch = bytes [index] & 0xFF;
102 if (OS.IsDBCSLeadByte ((byte) ch)) {
103 ch = ch << 8 | (bytes [index + 1] & 0xFF);
104 }
105 return ch;
106 }
107 }
108
109 public String toString () {
110 return toString (0, length ());
111 }
112
113 public String toString (int start, int length) {
114 if (OS.IsUnicode) {
115 return new String (chars, start, length);
116 } else {
117 byte [] bytes = this.bytes;
118 if (start != 0) {
119 bytes = new byte [length];
120 System.arraycopy (this.bytes, start, bytes, 0, length);
121 }
122 char [] chars = new char [length];
123 int cp = codePage != 0 ? codePage : OS.CP_ACP;
124 int charCount = OS.MultiByteToWideChar (cp, OS.MB_PRECOMPOSED, bytes, length, chars, length);
125 return new String (chars, 0, charCount);
126 }
127 }
128
129 }
130
131 |
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