1 /*
2 * This file part of sdcv - console version of Stardict program
3 * http://sdcv.sourceforge.net
4 * Copyright (C) 2005-2006 Evgeniy <dushistov@mail.ru>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <algorithm>
26 #include <cstdio>
27 #include <cstdlib>
28 #include <glib.h>
29 #include <glib/gi18n.h>
30 #include <iomanip>
31 #include <sstream>
32
33 #include "utils.hpp"
34
utf8_to_locale_ign_err(const std::string & utf8_str)35 std::string utf8_to_locale_ign_err(const std::string &utf8_str)
36 {
37 std::string res;
38
39 const char *charset;
40 if (g_get_charset(&charset))
41 res = utf8_str;
42 else {
43 gsize bytes_read, bytes_written;
44 glib::Error err;
45 glib::CharStr tmp(g_convert_with_fallback(utf8_str.c_str(), -1, charset, "UTF-8", nullptr,
46 &bytes_read, &bytes_written, get_addr(err)));
47 if (nullptr == get_impl(tmp)) {
48 fprintf(stderr, _("Can not convert %s to current locale.\n"), utf8_str.c_str());
49 fprintf(stderr, "%s\n", err->message);
50 exit(EXIT_FAILURE);
51 }
52 res = get_impl(tmp);
53 }
54
55 return res;
56 }
57
__for_each_file(const std::string & dirname,const std::string & suff,const std::list<std::string> & order_list,const std::list<std::string> & disable_list,const std::function<void (const std::string &,bool)> & f)58 static void __for_each_file(const std::string &dirname, const std::string &suff,
59 const std::list<std::string> &order_list, const std::list<std::string> &disable_list,
60 const std::function<void(const std::string &, bool)> &f)
61 {
62 GDir *dir = g_dir_open(dirname.c_str(), 0, nullptr);
63 if (dir) {
64 const gchar *filename;
65
66 while ((filename = g_dir_read_name(dir)) != nullptr) {
67 const std::string fullfilename(dirname + G_DIR_SEPARATOR_S + filename);
68 if (g_file_test(fullfilename.c_str(), G_FILE_TEST_IS_DIR))
69 __for_each_file(fullfilename, suff, order_list, disable_list, f);
70 else if (g_str_has_suffix(filename, suff.c_str()) && std::find(order_list.begin(), order_list.end(), fullfilename) == order_list.end()) {
71 const bool disable = std::find(disable_list.begin(),
72 disable_list.end(),
73 fullfilename)
74 != disable_list.end();
75 f(fullfilename, disable);
76 }
77 }
78 g_dir_close(dir);
79 }
80 }
81
for_each_file(const std::list<std::string> & dirs_list,const std::string & suff,const std::list<std::string> & order_list,const std::list<std::string> & disable_list,const std::function<void (const std::string &,bool)> & f)82 void for_each_file(const std::list<std::string> &dirs_list, const std::string &suff,
83 const std::list<std::string> &order_list, const std::list<std::string> &disable_list,
84 const std::function<void(const std::string &, bool)> &f)
85 {
86 for (const std::string &item : order_list) {
87 const bool disable = std::find(disable_list.begin(), disable_list.end(), item) != disable_list.end();
88 f(item, disable);
89 }
90 for (const std::string &item : dirs_list)
91 __for_each_file(item, suff, order_list, disable_list, f);
92 }
93
94 // based on https://stackoverflow.com/questions/7724448/simple-json-string-escape-for-c/33799784#33799784
json_escape_string(const std::string & s)95 std::string json_escape_string(const std::string &s)
96 {
97 std::ostringstream o;
98 for (auto c = s.cbegin(); c != s.cend(); c++) {
99 switch (*c) {
100 case '"':
101 o << "\\\"";
102 break;
103 case '\\':
104 o << "\\\\";
105 break;
106 case '\b':
107 o << "\\b";
108 break;
109 case '\f':
110 o << "\\f";
111 break;
112 case '\n':
113 o << "\\n";
114 break;
115 case '\r':
116 o << "\\r";
117 break;
118 case '\t':
119 o << "\\t";
120 break;
121 default:
122 if ('\x00' <= *c && *c <= '\x1f') {
123 o << "\\u"
124 << std::hex << std::setw(4) << std::setfill('0') << (int)*c;
125 } else {
126 o << *c;
127 }
128 }
129 }
130 return o.str();
131 }
132