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Move gettext variations into their own files
This commit is contained in:
Matthias Clasen
parent
67bf0083db
commit
08933846e4
402
glib/ggettext.c
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402
glib/ggettext.c
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@ -0,0 +1,402 @@
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/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1998 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include "ggettext.h"
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#include "galloca.h"
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#include "gthread.h"
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#include <string.h>
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#include <locale.h>
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#include <libintl.h>
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static void
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ensure_gettext_initialized (void)
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{
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static gsize initialised;
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if (g_once_init_enter (&initialised))
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{
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#ifdef G_OS_WIN32
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gchar *tmp = _glib_get_locale_dir ();
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bindtextdomain (GETTEXT_PACKAGE, tmp);
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g_free (tmp);
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#else
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bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR);
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#endif
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# ifdef HAVE_BIND_TEXTDOMAIN_CODESET
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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# endif
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g_once_init_leave (&initialised, TRUE);
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}
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}
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/**
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* glib_gettext:
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* @str: The string to be translated
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*
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* Returns the translated string from the glib translations.
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* This is an internal function and should only be used by
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* the internals of glib (such as libgio).
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*
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* Returns: the transation of @str to the current locale
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*/
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const gchar *
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glib_gettext (const gchar *str)
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{
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ensure_gettext_initialized ();
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return g_dgettext (GETTEXT_PACKAGE, str);
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}
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/**
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* glib_pgettext:
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* @msgctxtid: a combined message context and message id, separated
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* by a \004 character
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* @msgidoffset: the offset of the message id in @msgctxid
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*
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* This function is a variant of glib_gettext() which supports
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* a disambiguating message context. See g_dpgettext() for full
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* details.
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*
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* This is an internal function and should only be used by
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* the internals of glib (such as libgio).
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*
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* Returns: the transation of @str to the current locale
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*/
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const gchar *
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glib_pgettext (const gchar *msgctxtid,
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gsize msgidoffset)
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{
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ensure_gettext_initialized ();
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return g_dpgettext (GETTEXT_PACKAGE, msgctxtid, msgidoffset);
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}
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/**
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* g_strip_context:
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* @msgid: a string
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* @msgval: another string
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*
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* An auxiliary function for gettext() support (see Q_()).
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*
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* Return value: @msgval, unless @msgval is identical to @msgid
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* and contains a '|' character, in which case a pointer to
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* the substring of msgid after the first '|' character is returned.
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*
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* Since: 2.4
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*/
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const gchar *
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g_strip_context (const gchar *msgid,
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const gchar *msgval)
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{
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if (msgval == msgid)
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{
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const char *c = strchr (msgid, '|');
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if (c != NULL)
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return c + 1;
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}
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return msgval;
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}
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/**
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* g_dpgettext:
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* @domain: the translation domain to use, or %NULL to use
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* the domain set with textdomain()
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* @msgctxtid: a combined message context and message id, separated
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* by a \004 character
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* @msgidoffset: the offset of the message id in @msgctxid
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*
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* This function is a variant of g_dgettext() which supports
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* a disambiguating message context. GNU gettext uses the
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* '\004' character to separate the message context and
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* message id in @msgctxtid.
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* If 0 is passed as @msgidoffset, this function will fall back to
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* trying to use the deprecated convention of using "|" as a separation
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* character.
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*
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* This uses g_dgettext() internally. See that functions for differences
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* with dgettext() proper.
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*
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* Applications should normally not use this function directly,
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* but use the C_() macro for translations with context.
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*
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* Returns: The translated string
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*
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* Since: 2.16
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*/
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const gchar *
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g_dpgettext (const gchar *domain,
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const gchar *msgctxtid,
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gsize msgidoffset)
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{
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const gchar *translation;
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gchar *sep;
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translation = g_dgettext (domain, msgctxtid);
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if (translation == msgctxtid)
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{
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if (msgidoffset > 0)
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return msgctxtid + msgidoffset;
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sep = strchr (msgctxtid, '|');
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if (sep)
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{
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/* try with '\004' instead of '|', in case
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* xgettext -kQ_:1g was used
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*/
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gchar *tmp = g_alloca (strlen (msgctxtid) + 1);
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strcpy (tmp, msgctxtid);
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tmp[sep - msgctxtid] = '\004';
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translation = g_dgettext (domain, tmp);
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if (translation == tmp)
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return sep + 1;
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}
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}
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return translation;
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}
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/* This function is taken from gettext.h
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* GNU gettext uses '\004' to separate context and msgid in .mo files.
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*/
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/**
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* g_dpgettext2:
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* @domain: the translation domain to use, or %NULL to use
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* the domain set with textdomain()
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* @context: the message context
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* @msgid: the message
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*
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* This function is a variant of g_dgettext() which supports
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* a disambiguating message context. GNU gettext uses the
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* '\004' character to separate the message context and
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* message id in @msgctxtid.
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*
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* This uses g_dgettext() internally. See that functions for differences
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* with dgettext() proper.
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*
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* This function differs from C_() in that it is not a macro and
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* thus you may use non-string-literals as context and msgid arguments.
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*
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* Returns: The translated string
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*
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* Since: 2.18
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*/
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const gchar *
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g_dpgettext2 (const gchar *domain,
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const gchar *msgctxt,
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const gchar *msgid)
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{
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size_t msgctxt_len = strlen (msgctxt) + 1;
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size_t msgid_len = strlen (msgid) + 1;
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const char *translation;
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char* msg_ctxt_id;
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msg_ctxt_id = g_alloca (msgctxt_len + msgid_len);
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memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
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msg_ctxt_id[msgctxt_len - 1] = '\004';
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memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
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translation = g_dgettext (domain, msg_ctxt_id);
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if (translation == msg_ctxt_id)
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{
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/* try the old way of doing message contexts, too */
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msg_ctxt_id[msgctxt_len - 1] = '|';
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translation = g_dgettext (domain, msg_ctxt_id);
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if (translation == msg_ctxt_id)
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return msgid;
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}
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return translation;
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}
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static gboolean
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_g_dgettext_should_translate (void)
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{
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static gsize translate = 0;
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enum {
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SHOULD_TRANSLATE = 1,
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SHOULD_NOT_TRANSLATE = 2
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};
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if (G_UNLIKELY (g_once_init_enter (&translate)))
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{
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gboolean should_translate = TRUE;
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const char *default_domain = textdomain (NULL);
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const char *translator_comment = gettext ("");
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#ifndef G_OS_WIN32
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const char *translate_locale = setlocale (LC_MESSAGES, NULL);
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#else
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const char *translate_locale = g_win32_getlocale ();
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#endif
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/* We should NOT translate only if all the following hold:
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* - user has called textdomain() and set textdomain to non-default
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* - default domain has no translations
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* - locale does not start with "en_" and is not "C"
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*
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* Rationale:
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* - If text domain is still the default domain, maybe user calls
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* it later. Continue with old behavior of translating.
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* - If locale starts with "en_", we can continue using the
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* translations even if the app doesn't have translations for
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* this locale. That is, en_UK and en_CA for example.
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* - If locale is "C", maybe user calls setlocale(LC_ALL,"") later.
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* Continue with old behavior of translating.
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*/
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if (0 != strcmp (default_domain, "messages") &&
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'\0' == *translator_comment &&
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0 != strncmp (translate_locale, "en_", 3) &&
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0 != strcmp (translate_locale, "C"))
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should_translate = FALSE;
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g_once_init_leave (&translate,
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should_translate ?
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SHOULD_TRANSLATE :
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SHOULD_NOT_TRANSLATE);
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}
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return translate == SHOULD_TRANSLATE;
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}
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/**
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* g_dgettext:
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* @domain: the translation domain to use, or %NULL to use
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* the domain set with textdomain()
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* @msgid: message to translate
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*
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* This function is a wrapper of dgettext() which does not translate
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* the message if the default domain as set with textdomain() has no
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* translations for the current locale.
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*
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* The advantage of using this function over dgettext() proper is that
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* libraries using this function (like GTK+) will not use translations
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* if the application using the library does not have translations for
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* the current locale. This results in a consistent English-only
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* interface instead of one having partial translations. For this
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* feature to work, the call to textdomain() and setlocale() should
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* precede any g_dgettext() invocations. For GTK+, it means calling
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* textdomain() before gtk_init or its variants.
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*
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* This function disables translations if and only if upon its first
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* call all the following conditions hold:
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* <itemizedlist>
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* <listitem>@domain is not %NULL</listitem>
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* <listitem>textdomain() has been called to set a default text domain</listitem>
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* <listitem>there is no translations available for the default text domain
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* and the current locale</listitem>
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* <listitem>current locale is not "C" or any English locales (those
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* starting with "en_")</listitem>
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* </itemizedlist>
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*
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* Note that this behavior may not be desired for example if an application
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* has its untranslated messages in a language other than English. In those
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* cases the application should call textdomain() after initializing GTK+.
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*
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* Applications should normally not use this function directly,
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* but use the _() macro for translations.
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*
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* Returns: The translated string
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*
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* Since: 2.18
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*/
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const gchar *
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g_dgettext (const gchar *domain,
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const gchar *msgid)
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{
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if (domain && G_UNLIKELY (!_g_dgettext_should_translate ()))
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return msgid;
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return dgettext (domain, msgid);
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}
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/**
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* g_dcgettext:
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* @domain: (allow-none): the translation domain to use, or %NULL to use
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* the domain set with textdomain()
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* @msgid: message to translate
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* @category: a locale category
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*
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* This is a variant of g_dgettext() that allows specifying a locale
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* category instead of always using %LC_MESSAGES. See g_dgettext() for
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* more information about how this functions differs from calling
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* dcgettext() directly.
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*
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* Returns: the translated string for the given locale category
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*
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* Since: 2.26
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*/
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const gchar *
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g_dcgettext (const gchar *domain,
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const gchar *msgid,
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gint category)
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{
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if (domain && G_UNLIKELY (!_g_dgettext_should_translate ()))
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return msgid;
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return dcgettext (domain, msgid, category);
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}
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/**
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* g_dngettext:
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* @domain: the translation domain to use, or %NULL to use
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* the domain set with textdomain()
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* @msgid: message to translate
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* @msgid_plural: plural form of the message
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* @n: the quantity for which translation is needed
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*
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* This function is a wrapper of dngettext() which does not translate
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* the message if the default domain as set with textdomain() has no
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* translations for the current locale.
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*
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* See g_dgettext() for details of how this differs from dngettext()
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* proper.
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*
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* Returns: The translated string
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*
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* Since: 2.18
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*/
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const gchar *
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g_dngettext (const gchar *domain,
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const gchar *msgid,
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const gchar *msgid_plural,
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gulong n)
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{
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if (domain && G_UNLIKELY (!_g_dgettext_should_translate ()))
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return n == 1 ? msgid : msgid_plural;
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return dngettext (domain, msgid, msgid_plural, n);
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}
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59
glib/ggettext.h
Normal file
59
glib/ggettext.h
Normal file
@ -0,0 +1,59 @@
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/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
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* version 2 of the License, or (at your option) any later version.
|
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*
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||||
* This library 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
|
||||
* Lesser General Public License for more details.
|
||||
*
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||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#ifndef __G_GETTEXT_H__
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#define __G_GETTEXT_H__
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#include <glib/gtypes.h>
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G_BEGIN_DECLS
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const gchar *g_strip_context (const gchar *msgid,
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const gchar *msgval) G_GNUC_FORMAT(1);
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const gchar *g_dgettext (const gchar *domain,
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const gchar *msgid) G_GNUC_FORMAT(2);
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const gchar *g_dcgettext (const gchar *domain,
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const gchar *msgid,
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gint category) G_GNUC_FORMAT(2);
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const gchar *g_dngettext (const gchar *domain,
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const gchar *msgid,
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const gchar *msgid_plural,
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gulong n) G_GNUC_FORMAT(3);
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const gchar *g_dpgettext (const gchar *domain,
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const gchar *msgctxtid,
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gsize msgidoffset) G_GNUC_FORMAT(2);
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const gchar *g_dpgettext2 (const gchar *domain,
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const gchar *context,
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const gchar *msgid) G_GNUC_FORMAT(3);
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G_END_DECLS
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#endif /* __G_GETTEXT_H__ */
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