Annotation of embedaddon/libiconv/srclib/gettext.h, revision 1.1
1.1 ! misho 1: /* Convenience header for conditional use of GNU <libintl.h>.
! 2: Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009 Free Software Foundation, Inc.
! 3:
! 4: This program is free software; you can redistribute it and/or modify
! 5: it under the terms of the GNU General Public License as published by
! 6: the Free Software Foundation; either version 3, or (at your option)
! 7: any later version.
! 8:
! 9: This program is distributed in the hope that it will be useful,
! 10: but WITHOUT ANY WARRANTY; without even the implied warranty of
! 11: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 12: GNU General Public License for more details.
! 13:
! 14: You should have received a copy of the GNU General Public License along
! 15: with this program; if not, write to the Free Software Foundation,
! 16: Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
! 17:
! 18: #ifndef _LIBGETTEXT_H
! 19: #define _LIBGETTEXT_H 1
! 20:
! 21: /* NLS can be disabled through the configure --disable-nls option. */
! 22: #if ENABLE_NLS
! 23:
! 24: /* Get declarations of GNU message catalog functions. */
! 25: # include <libintl.h>
! 26:
! 27: /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
! 28: the gettext() and ngettext() macros. This is an alternative to calling
! 29: textdomain(), and is useful for libraries. */
! 30: # ifdef DEFAULT_TEXT_DOMAIN
! 31: # undef gettext
! 32: # define gettext(Msgid) \
! 33: dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
! 34: # undef ngettext
! 35: # define ngettext(Msgid1, Msgid2, N) \
! 36: dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
! 37: # endif
! 38:
! 39: #else
! 40:
! 41: /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
! 42: chokes if dcgettext is defined as a macro. So include it now, to make
! 43: later inclusions of <locale.h> a NOP. We don't include <libintl.h>
! 44: as well because people using "gettext.h" will not include <libintl.h>,
! 45: and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
! 46: is OK. */
! 47: #if defined(__sun)
! 48: # include <locale.h>
! 49: #endif
! 50:
! 51: /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
! 52: <libintl.h>, which chokes if dcgettext is defined as a macro. So include
! 53: it now, to make later inclusions of <libintl.h> a NOP. */
! 54: #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
! 55: # include <cstdlib>
! 56: # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
! 57: # include <libintl.h>
! 58: # endif
! 59: #endif
! 60:
! 61: /* Disabled NLS.
! 62: The casts to 'const char *' serve the purpose of producing warnings
! 63: for invalid uses of the value returned from these functions.
! 64: On pre-ANSI systems without 'const', the config.h file is supposed to
! 65: contain "#define const". */
! 66: # undef gettext
! 67: # define gettext(Msgid) ((const char *) (Msgid))
! 68: # undef dgettext
! 69: # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid))
! 70: # undef dcgettext
! 71: # define dcgettext(Domainname, Msgid, Category) \
! 72: ((void) (Category), dgettext (Domainname, Msgid))
! 73: # undef ngettext
! 74: # define ngettext(Msgid1, Msgid2, N) \
! 75: ((N) == 1 \
! 76: ? ((void) (Msgid2), (const char *) (Msgid1)) \
! 77: : ((void) (Msgid1), (const char *) (Msgid2)))
! 78: # undef dngettext
! 79: # define dngettext(Domainname, Msgid1, Msgid2, N) \
! 80: ((void) (Domainname), ngettext (Msgid1, Msgid2, N))
! 81: # undef dcngettext
! 82: # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
! 83: ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N))
! 84: # undef textdomain
! 85: # define textdomain(Domainname) ((const char *) (Domainname))
! 86: # undef bindtextdomain
! 87: # define bindtextdomain(Domainname, Dirname) \
! 88: ((void) (Domainname), (const char *) (Dirname))
! 89: # undef bind_textdomain_codeset
! 90: # define bind_textdomain_codeset(Domainname, Codeset) \
! 91: ((void) (Domainname), (const char *) (Codeset))
! 92:
! 93: #endif
! 94:
! 95: /* A pseudo function call that serves as a marker for the automated
! 96: extraction of messages, but does not call gettext(). The run-time
! 97: translation is done at a different place in the code.
! 98: The argument, String, should be a literal string. Concatenated strings
! 99: and other string expressions won't work.
! 100: The macro's expansion is not parenthesized, so that it is suitable as
! 101: initializer for static 'char[]' or 'const char[]' variables. */
! 102: #define gettext_noop(String) String
! 103:
! 104: /* The separator between msgctxt and msgid in a .mo file. */
! 105: #define GETTEXT_CONTEXT_GLUE "\004"
! 106:
! 107: /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
! 108: MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
! 109: short and rarely need to change.
! 110: The letter 'p' stands for 'particular' or 'special'. */
! 111: #ifdef DEFAULT_TEXT_DOMAIN
! 112: # define pgettext(Msgctxt, Msgid) \
! 113: pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
! 114: #else
! 115: # define pgettext(Msgctxt, Msgid) \
! 116: pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
! 117: #endif
! 118: #define dpgettext(Domainname, Msgctxt, Msgid) \
! 119: pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
! 120: #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
! 121: pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
! 122: #ifdef DEFAULT_TEXT_DOMAIN
! 123: # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
! 124: npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
! 125: #else
! 126: # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
! 127: npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
! 128: #endif
! 129: #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
! 130: npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
! 131: #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
! 132: npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
! 133:
! 134: #ifdef __GNUC__
! 135: __inline
! 136: #else
! 137: #ifdef __cplusplus
! 138: inline
! 139: #endif
! 140: #endif
! 141: static const char *
! 142: pgettext_aux (const char *domain,
! 143: const char *msg_ctxt_id, const char *msgid,
! 144: int category)
! 145: {
! 146: const char *translation = dcgettext (domain, msg_ctxt_id, category);
! 147: if (translation == msg_ctxt_id)
! 148: return msgid;
! 149: else
! 150: return translation;
! 151: }
! 152:
! 153: #ifdef __GNUC__
! 154: __inline
! 155: #else
! 156: #ifdef __cplusplus
! 157: inline
! 158: #endif
! 159: #endif
! 160: static const char *
! 161: npgettext_aux (const char *domain,
! 162: const char *msg_ctxt_id, const char *msgid,
! 163: const char *msgid_plural, unsigned long int n,
! 164: int category)
! 165: {
! 166: const char *translation =
! 167: dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
! 168: if (translation == msg_ctxt_id || translation == msgid_plural)
! 169: return (n == 1 ? msgid : msgid_plural);
! 170: else
! 171: return translation;
! 172: }
! 173:
! 174: /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
! 175: can be arbitrary expressions. But for string literals these macros are
! 176: less efficient than those above. */
! 177:
! 178: #include <string.h>
! 179:
! 180: #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
! 181: (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
! 182: /* || __STDC_VERSION__ >= 199901L */ )
! 183:
! 184: #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
! 185: #include <stdlib.h>
! 186: #endif
! 187:
! 188: #define pgettext_expr(Msgctxt, Msgid) \
! 189: dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
! 190: #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
! 191: dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
! 192:
! 193: #ifdef __GNUC__
! 194: __inline
! 195: #else
! 196: #ifdef __cplusplus
! 197: inline
! 198: #endif
! 199: #endif
! 200: static const char *
! 201: dcpgettext_expr (const char *domain,
! 202: const char *msgctxt, const char *msgid,
! 203: int category)
! 204: {
! 205: size_t msgctxt_len = strlen (msgctxt) + 1;
! 206: size_t msgid_len = strlen (msgid) + 1;
! 207: const char *translation;
! 208: #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
! 209: char msg_ctxt_id[msgctxt_len + msgid_len];
! 210: #else
! 211: char buf[1024];
! 212: char *msg_ctxt_id =
! 213: (msgctxt_len + msgid_len <= sizeof (buf)
! 214: ? buf
! 215: : (char *) malloc (msgctxt_len + msgid_len));
! 216: if (msg_ctxt_id != NULL)
! 217: #endif
! 218: {
! 219: memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
! 220: msg_ctxt_id[msgctxt_len - 1] = '\004';
! 221: memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
! 222: translation = dcgettext (domain, msg_ctxt_id, category);
! 223: #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
! 224: if (msg_ctxt_id != buf)
! 225: free (msg_ctxt_id);
! 226: #endif
! 227: if (translation != msg_ctxt_id)
! 228: return translation;
! 229: }
! 230: return msgid;
! 231: }
! 232:
! 233: #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
! 234: dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
! 235: #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
! 236: dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
! 237:
! 238: #ifdef __GNUC__
! 239: __inline
! 240: #else
! 241: #ifdef __cplusplus
! 242: inline
! 243: #endif
! 244: #endif
! 245: static const char *
! 246: dcnpgettext_expr (const char *domain,
! 247: const char *msgctxt, const char *msgid,
! 248: const char *msgid_plural, unsigned long int n,
! 249: int category)
! 250: {
! 251: size_t msgctxt_len = strlen (msgctxt) + 1;
! 252: size_t msgid_len = strlen (msgid) + 1;
! 253: const char *translation;
! 254: #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
! 255: char msg_ctxt_id[msgctxt_len + msgid_len];
! 256: #else
! 257: char buf[1024];
! 258: char *msg_ctxt_id =
! 259: (msgctxt_len + msgid_len <= sizeof (buf)
! 260: ? buf
! 261: : (char *) malloc (msgctxt_len + msgid_len));
! 262: if (msg_ctxt_id != NULL)
! 263: #endif
! 264: {
! 265: memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
! 266: msg_ctxt_id[msgctxt_len - 1] = '\004';
! 267: memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
! 268: translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
! 269: #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
! 270: if (msg_ctxt_id != buf)
! 271: free (msg_ctxt_id);
! 272: #endif
! 273: if (!(translation == msg_ctxt_id || translation == msgid_plural))
! 274: return translation;
! 275: }
! 276: return (n == 1 ? msgid : msgid_plural);
! 277: }
! 278:
! 279: #endif /* _LIBGETTEXT_H */
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