1 /***************************************************************************
2 * Copyright (C) 2012~2012 by CSSlayer *
3 * wengxt@gmail.com *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21 #include "ustring.h"
22 #include <fcitx-utils/utarray.h>
23 #include <fcitx-utils/utf8.h>
24
25 static const UT_icd ucs_icd = { sizeof(ucschar), NULL, NULL, NULL};
26
27 UString*
ustring_new()28 ustring_new()
29 {
30 UString* str;
31 utarray_new(str, &ucs_icd);
32 return str;
33 }
34
35 UString*
ustring_dup(const UString * str)36 ustring_dup(const UString* str)
37 {
38 UString* dup;
39 dup = ustring_new();
40 ustring_append(dup, str);
41 return dup;
42 }
43
44 void
ustring_delete(UString * str)45 ustring_delete(UString* str)
46 {
47 utarray_free(str);
48 }
49
50 void
ustring_clear(UString * str)51 ustring_clear(UString* str)
52 {
53 utarray_clear(str);
54 }
55
56 UString*
ustring_erase(UString * str,size_t pos,size_t len)57 ustring_erase(UString* str, size_t pos, size_t len)
58 {
59 if (len > 0)
60 utarray_erase(str, pos, len);
61 return str;
62 }
63
64 ucschar*
ustring_begin(UString * str)65 ustring_begin(UString* str)
66 {
67 return (ucschar*) utarray_front(str);
68 }
69
70 ucschar*
ustring_end(UString * str)71 ustring_end(UString* str)
72 {
73 return (ucschar*) utarray_eltptr(str, utarray_len(str));
74 }
75
76 unsigned
ustring_length(const UString * str)77 ustring_length(const UString* str)
78 {
79 return utarray_len(str);
80 }
81
82 UString*
ustring_append(UString * str,const UString * s)83 ustring_append(UString* str, const UString* s)
84 {
85 utarray_concat(str, s);
86 return str;
87 }
88
89 UString*
ustring_append_ucs4(UString * str,const ucschar * s)90 ustring_append_ucs4(UString* str, const ucschar* s)
91 {
92 const ucschar*p = s;
93 while (*p != 0) {
94 utarray_push_back(str, p);
95 p++;
96 }
97
98 return str;
99 }
100
101 UString*
ustring_append_utf8(UString * str,const char * utf8)102 ustring_append_utf8(UString* str, const char* utf8)
103 {
104 while (*utf8 != '\0') {
105 ucschar c;
106 utf8 = fcitx_utf8_get_char(utf8, (uint32_t*) &c);
107 utarray_push_back(str, &c);
108 }
109 return str;
110 }
111