1 /* Convenience header for conditional use of GNU <libintl.h>. |
1 /* Convenience header for conditional use of GNU <libintl.h>. |
2 Copyright (C) 1995-1998, 2000-2002, 2004 Free Software Foundation, Inc. |
2 Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc. |
3 |
3 |
4 This program is free software; you can redistribute it and/or modify it |
4 This program is free software; you can redistribute it and/or modify it |
5 under the terms of the GNU Library General Public License as published |
5 under the terms of the GNU General Public License as published |
6 by the Free Software Foundation; either version 2, or (at your option) |
6 by the Free Software Foundation; either version 2, or (at your option) |
7 any later version. |
7 any later version. |
8 |
8 |
9 This program is distributed in the hope that it will be useful, |
9 This program is distributed in the hope that it will be useful, |
10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 Library General Public License for more details. |
12 Library General Public License for more details. |
13 |
13 |
14 You should have received a copy of the GNU Library General Public |
14 You should have received a copy of the GNU General Public |
15 License along with this program; if not, write to the Free Software |
15 License along with this program; if not, write to the Free Software |
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
17 USA. */ |
17 USA. */ |
18 |
18 |
19 #ifndef _LIBGETTEXT_H |
19 #ifndef _LIBGETTEXT_H |
51 The casts to 'const char *' serve the purpose of producing warnings |
63 The casts to 'const char *' serve the purpose of producing warnings |
52 for invalid uses of the value returned from these functions. |
64 for invalid uses of the value returned from these functions. |
53 On pre-ANSI systems without 'const', the config.h file is supposed to |
65 On pre-ANSI systems without 'const', the config.h file is supposed to |
54 contain "#define const". */ |
66 contain "#define const". */ |
55 # define gettext(Msgid) ((const char *) (Msgid)) |
67 # define gettext(Msgid) ((const char *) (Msgid)) |
56 # define dgettext(Domainname, Msgid) ((const char *) (Msgid)) |
68 # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid)) |
57 # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid)) |
69 # define dcgettext(Domainname, Msgid, Category) \ |
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70 ((void) (Category), dgettext (Domainname, Msgid)) |
58 # define ngettext(Msgid1, Msgid2, N) \ |
71 # define ngettext(Msgid1, Msgid2, N) \ |
59 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) |
72 ((N) == 1 \ |
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73 ? ((void) (Msgid2), (const char *) (Msgid1)) \ |
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74 : ((void) (Msgid1), (const char *) (Msgid2))) |
60 # define dngettext(Domainname, Msgid1, Msgid2, N) \ |
75 # define dngettext(Domainname, Msgid1, Msgid2, N) \ |
61 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) |
76 ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) |
62 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ |
77 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ |
63 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) |
78 ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N)) |
64 # define textdomain(Domainname) ((const char *) (Domainname)) |
79 # define textdomain(Domainname) ((const char *) (Domainname)) |
65 # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname)) |
80 # define bindtextdomain(Domainname, Dirname) \ |
66 # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset)) |
81 ((void) (Domainname), (const char *) (Dirname)) |
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82 # define bind_textdomain_codeset(Domainname, Codeset) \ |
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83 ((void) (Domainname), (const char *) (Codeset)) |
67 |
84 |
68 #endif |
85 #endif |
69 |
86 |
70 /* A pseudo function call that serves as a marker for the automated |
87 /* A pseudo function call that serves as a marker for the automated |
71 extraction of messages, but does not call gettext(). The run-time |
88 extraction of messages, but does not call gettext(). The run-time |
74 and other string expressions won't work. |
91 and other string expressions won't work. |
75 The macro's expansion is not parenthesized, so that it is suitable as |
92 The macro's expansion is not parenthesized, so that it is suitable as |
76 initializer for static 'char[]' or 'const char[]' variables. */ |
93 initializer for static 'char[]' or 'const char[]' variables. */ |
77 #define gettext_noop(String) String |
94 #define gettext_noop(String) String |
78 |
95 |
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96 /* The separator between msgctxt and msgid in a .mo file. */ |
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97 #define GETTEXT_CONTEXT_GLUE "\004" |
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98 |
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99 /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a |
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100 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be |
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101 short and rarely need to change. |
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102 The letter 'p' stands for 'particular' or 'special'. */ |
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103 #ifdef DEFAULT_TEXT_DOMAIN |
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104 # define pgettext(Msgctxt, Msgid) \ |
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105 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
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106 #else |
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107 # define pgettext(Msgctxt, Msgid) \ |
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108 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
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109 #endif |
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110 #define dpgettext(Domainname, Msgctxt, Msgid) \ |
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111 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
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112 #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ |
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113 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) |
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114 #ifdef DEFAULT_TEXT_DOMAIN |
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115 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
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116 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
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117 #else |
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118 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
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119 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
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120 #endif |
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121 #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
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122 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
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123 #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ |
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124 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) |
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125 |
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126 #ifdef __GNUC__ |
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127 __inline |
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128 #else |
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129 #ifdef __cplusplus |
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130 inline |
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131 #endif |
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132 #endif |
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133 static const char * |
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134 pgettext_aux (const char *domain, |
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135 const char *msg_ctxt_id, const char *msgid, |
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136 int category) |
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137 { |
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138 const char *translation = dcgettext (domain, msg_ctxt_id, category); |
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139 if (translation == msg_ctxt_id) |
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140 return msgid; |
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141 else |
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142 return translation; |
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143 } |
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144 |
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145 #ifdef __GNUC__ |
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146 __inline |
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147 #else |
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148 #ifdef __cplusplus |
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149 inline |
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150 #endif |
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151 #endif |
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152 static const char * |
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153 npgettext_aux (const char *domain, |
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154 const char *msg_ctxt_id, const char *msgid, |
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155 const char *msgid_plural, unsigned long int n, |
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156 int category) |
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157 { |
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158 const char *translation = |
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159 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
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160 if (translation == msg_ctxt_id || translation == msgid_plural) |
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161 return (n == 1 ? msgid : msgid_plural); |
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162 else |
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163 return translation; |
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164 } |
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165 |
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166 /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID |
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167 can be arbitrary expressions. But for string literals these macros are |
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168 less efficient than those above. */ |
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169 |
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170 #include <string.h> |
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171 |
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172 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ |
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173 (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ |
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174 /* || __STDC_VERSION__ >= 199901L */ ) |
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175 |
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176 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
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177 #include <stdlib.h> |
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178 #endif |
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179 |
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180 #define pgettext_expr(Msgctxt, Msgid) \ |
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181 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) |
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182 #define dpgettext_expr(Domainname, Msgctxt, Msgid) \ |
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183 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) |
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184 |
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185 #ifdef __GNUC__ |
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186 __inline |
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187 #else |
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188 #ifdef __cplusplus |
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189 inline |
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190 #endif |
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191 #endif |
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192 static const char * |
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193 dcpgettext_expr (const char *domain, |
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194 const char *msgctxt, const char *msgid, |
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195 int category) |
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196 { |
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197 size_t msgctxt_len = strlen (msgctxt) + 1; |
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198 size_t msgid_len = strlen (msgid) + 1; |
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199 const char *translation; |
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200 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
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201 char msg_ctxt_id[msgctxt_len + msgid_len]; |
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202 #else |
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203 char buf[1024]; |
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204 char *msg_ctxt_id = |
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205 (msgctxt_len + msgid_len <= sizeof (buf) |
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206 ? buf |
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207 : (char *) malloc (msgctxt_len + msgid_len)); |
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208 if (msg_ctxt_id != NULL) |
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209 #endif |
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210 { |
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211 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); |
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212 msg_ctxt_id[msgctxt_len - 1] = '\004'; |
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213 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); |
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214 translation = dcgettext (domain, msg_ctxt_id, category); |
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215 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
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216 if (msg_ctxt_id != buf) |
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217 free (msg_ctxt_id); |
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218 #endif |
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219 if (translation != msg_ctxt_id) |
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220 return translation; |
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221 } |
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222 return msgid; |
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223 } |
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224 |
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225 #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ |
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226 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) |
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227 #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
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228 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) |
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229 |
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230 #ifdef __GNUC__ |
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231 __inline |
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232 #else |
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233 #ifdef __cplusplus |
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234 inline |
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235 #endif |
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236 #endif |
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237 static const char * |
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238 dcnpgettext_expr (const char *domain, |
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239 const char *msgctxt, const char *msgid, |
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240 const char *msgid_plural, unsigned long int n, |
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241 int category) |
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242 { |
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243 size_t msgctxt_len = strlen (msgctxt) + 1; |
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244 size_t msgid_len = strlen (msgid) + 1; |
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245 const char *translation; |
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246 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
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247 char msg_ctxt_id[msgctxt_len + msgid_len]; |
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248 #else |
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249 char buf[1024]; |
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250 char *msg_ctxt_id = |
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251 (msgctxt_len + msgid_len <= sizeof (buf) |
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252 ? buf |
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253 : (char *) malloc (msgctxt_len + msgid_len)); |
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254 if (msg_ctxt_id != NULL) |
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255 #endif |
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256 { |
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257 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); |
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258 msg_ctxt_id[msgctxt_len - 1] = '\004'; |
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259 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); |
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260 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
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261 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
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262 if (msg_ctxt_id != buf) |
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263 free (msg_ctxt_id); |
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264 #endif |
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265 if (!(translation == msg_ctxt_id || translation == msgid_plural)) |
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266 return translation; |
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267 } |
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268 return (n == 1 ? msgid : msgid_plural); |
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269 } |
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270 |
79 #endif /* _LIBGETTEXT_H */ |
271 #endif /* _LIBGETTEXT_H */ |