-* \file messages.C
+/* \file messages.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
*
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
-#include "messages.h"
#include "debug.h"
+#include "messages.h"
+#include "support/filetools.h"
+#include "support/environment.h"
+#include "support/package.h"
-using std::endl;
+#include <boost/current_function.hpp>
+#include <boost/regex.hpp>
+#include <cerrno>
-Messages::Messages(string const & l, string const & dir)
- : lang_(l), localedir_(dir),
- loc_gl(lang_.c_str()),
- mssg_gl(std::use_facet<std::messages<char> >(loc_gl))
-{
- lyxerr << "Messages: language(" << l << ") in dir(" << dir << ")" << endl;
+using lyx::support::package;
+using lyx::support::getEnv;
+using lyx::support::setEnv;
- cat_gl = mssg_gl.open("lyx", loc_gl, localedir_.c_str());
-}
+using std::string;
+
+
+#ifdef ENABLE_NLS
+
+
+#if 0
+
+-#include <locale>
+
+// This version of the Pimpl utilizes the message capability of
+// libstdc++ that is distributed with GNU G++.
+class Messages::Pimpl {
+public:
+ typedef std::messages<char>::catalog catalog;
+
+ Pimpl(string const & l)
+ : lang_(l),
+ loc_gl(lang_.c_str()),
+ mssg_gl(std::use_facet<std::messages<char> >(loc_gl))
+ {
+ //lyxerr << "Messages: language(" << l
+ // << ") in dir(" << dir << ")" << std::endl;
+
+ cat_gl = mssg_gl.open(PACKAGE, loc_gl, package().locale_dir().c_str());
+
+ }
+
+ ~Pimpl()
+ {
+ mssg_gl.close(cat_gl);
+ }
+
+ string const get(string const & msg) const
+ {
+ return mssg_gl.get(cat_gl, 0, 0, msg);
+ }
+private:
+ ///
+ string lang_;
+ ///
+ std::locale loc_gl;
+ ///
+ std::messages<char> const & mssg_gl;
+ ///
+ catalog cat_gl;
+};
+#else
+
+#ifdef HAVE_LOCALE_H
+# include <locale.h>
+#endif
+# if HAVE_GETTEXT
+# include <libintl.h> // use the header already in the system *EK*
+# else
+# include "../intl/libintl.h"
+# endif
+// This is a more traditional variant.
+class Messages::Pimpl {
+public:
+ Pimpl(string const & l)
+ : lang_(l)
+ {
+ if ( lang_.empty() ) {
+ char const * lc_msgs = setlocale(LC_MESSAGES, NULL);
+ lang_ = lc_msgs ? lc_msgs : "";
+ }
+ // strip off any encoding suffix, i.e., assume 8-bit po files
+ string::size_type i = lang_.find(".");
+ lang_ = lang_.substr(0, i);
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
+ << ": language(" << lang_ << ")" << std::endl;
+ }
+
+ ~Pimpl() {}
+
+ string const get(string const & m) const
+ {
+ if (m.empty())
+ return m;
+
+ //string oldMSG = setlocale(LC_MESSAGES, NULL);
+ // In this order, see support/filetools.C:
+ string lang = getEnv("LC_ALL");
+ if (lang.empty()) {
+ lang = getEnv("LC_MESSAGES");
+ if (lang.empty()) {
+ lang = getEnv("LANG");
+ if (lang.empty())
+ lang = "C";
+ }
+ }
+
+ char const * lc_msgs = setlocale(LC_MESSAGES, lang_.c_str());
+#ifndef _WIN32
+ if (!lc_msgs)
+ lyxerr << "Locale " << lang_ << " could not be set" << std::endl;
+#endif
+ // CTYPE controls what getmessage thinks what encoding the po file uses
+ char const * lc_ctype = setlocale(LC_CTYPE, NULL);
+ string oldCTYPE = lc_ctype ? lc_ctype : "";
+
+ setlocale(LC_CTYPE, lang_.c_str());
+ errno = 0;
+ char const * c = bindtextdomain(PACKAGE, package().locale_dir().c_str());
+ int e = errno;
+ if (e) {
+ lyxerr[Debug::DEBUG]
+ << BOOST_CURRENT_FUNCTION << '\n'
+ << "Error code: " << errno << '\n'
+ << "Lang, mess: " << lang_ << " " << m << '\n'
+ << "Directory : " << package().locale_dir() << '\n'
+ << "Rtn value : " << c << std::endl;
+ }
+ textdomain(PACKAGE);
+ const char* msg = gettext(m.c_str());
+ string translated(msg ? msg : m);
+ // Some english words have different translations, depending
+ // on context. In these cases the original string is
+ // augmented by context information (e.g.
+ // "To:[[as in 'From page x to page y']]" and
+ // "To:[[as in 'From format x to format y']]".
+ // This means that we need to filter out everything in
+ // double square brackets at the end of the string,
+ // otherwise the user sees bogus messages.
+ // If we are unable to honour the request we just
+ // return what we got in.
+ static boost::regex const reg("^([^\\[]*)\\[\\[[^\\]]*\\]\\]$");
+ boost::smatch sub;
+ if (regex_match(translated, sub, reg))
+ translated = sub.str(1);
+ setlocale(LC_MESSAGES, lang.c_str());
+ setlocale(LC_CTYPE, oldCTYPE.c_str());
+ return translated;
+ }
+private:
+ ///
+ string lang_;
+};
+#endif
+
+#else // ENABLE_NLS
+// This is the dummy variant.
+class Messages::Pimpl {
+public:
+ Pimpl(string const &) {}
+
+ ~Pimpl() {}
+
+ string const get(string const & m) const
+ {
+ return m;
+ }
+};
+#endif
+
+
+Messages::Messages()
+ : pimpl_(new Pimpl(""))
+{}
+
+
+Messages::Messages(string const & l)
+ : pimpl_(new Pimpl(l))
+{}
+
+
+// We need this for the sake of scoped_ptr
Messages::~Messages()
-{
- mssg_gl.close(cat_gl);
-}
+{}
string const Messages::get(string const & msg) const
{
- return mssg_gl.get(cat_gl, 0, 0, msg);
+ return pimpl_->get(msg);
}
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