blob: d969dba4dc4445adf8627f7021ef670dcbc8b46b (
plain)
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
|
/******************************************************************************
*
* utf8utf16.cpp - SWFilter descendant to convert UTF-8 to UTF-16
*
* $Id: utf8utf16.cpp 3081 2014-03-05 19:52:08Z chrislit $
*
* Copyright 2001-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include <utf8utf16.h>
#include <utilstr.h>
#include <swbuf.h>
SWORD_NAMESPACE_START
UTF8UTF16::UTF8UTF16() {
}
char UTF8UTF16::processText(SWBuf &text, const SWKey *key, const SWModule *module) {
const unsigned char *from;
SWBuf orig = text;
from = (const unsigned char *)orig.c_str();
// -------------------------------
text = "";
while (*from) {
__u32 ch = getUniCharFromUTF8(&from);
if (!ch) continue; // invalid char
if (ch < 0x10000) {
text.setSize(text.size()+2);
*((__u16 *)(text.getRawData()+(text.size()-2))) = (__u16)ch;
}
else {
__u16 utf16;
utf16 = (__s16)((ch - 0x10000) / 0x400 + 0xD800);
text.setSize(text.size()+4);
*((__u16 *)(text.getRawData()+(text.size()-4))) = utf16;
utf16 = (__s16)((ch - 0x10000) % 0x400 + 0xDC00);
*((__u16 *)(text.getRawData()+(text.size()-2))) = utf16;
}
}
text.setSize(text.size()+2);
*((__u16 *)(text.getRawData()+(text.size()-2))) = (__u16)0;
text.setSize(text.size()-2);
return 0;
}
SWORD_NAMESPACE_END
|
