*
* \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"
+
+#include <boost/current_function.hpp>
+#include <boost/regex.hpp>
+
+#include <cerrno>
+
+using lyx::support::package;
+using lyx::support::getEnv;
+using lyx::support::setEnv;
+
+using std::string;
#ifdef ENABLE_NLS
+
#if 0
-#include <locale>
+-#include <locale>
// This version of the Pimpl utilizes the message capability of
-// libstdc++ that is distributed with GNU G++
+// libstdc++ that is distributed with GNU G++.
class Messages::Pimpl {
public:
typedef std::messages<char>::catalog catalog;
- Pimpl(string const & l, string const & dir)
- : lang_(l), localedir_(dir),
+ 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, localedir_.c_str());
+ cat_gl = mssg_gl.open(PACKAGE, loc_gl, package().locale_dir().c_str());
}
///
string lang_;
///
- string localedir_;
- ///
std::locale loc_gl;
///
std::messages<char> const & mssg_gl;
// This is a more traditional variant.
class Messages::Pimpl {
public:
- Pimpl(string const & l, string const & dir)
- : lang_(l), localedir_(dir)
+ Pimpl(string const & l)
+ : lang_(l)
{
- //lyxerr << "Messages: language(" << l
- // << ") in dir(" << dir << ")" << std::endl;
-
- bindtextdomain(PACKAGE, localedir_.c_str());
- textdomain(PACKAGE);
+ if ( lang_.empty() ) {
+ char const * lc_msgs = 0;
+#ifdef HAVE_LC_MESSAGES
+ lc_msgs = setlocale(LC_MESSAGES, NULL);
+#endif
+ 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
{
- char * old = strdup(setlocale(LC_ALL, 0));
- setlocale(LC_ALL, lang_.c_str());
+ if (m.empty())
+ return m;
+
+ // 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";
+ }
+ }
+#ifdef HAVE_LC_MESSAGES
+ char const * lc_msgs = setlocale(LC_MESSAGES, lang_.c_str());
+#endif
+ // setlocale fails (returns NULL) if the corresponding locale
+ // is not installed.
+ // On windows (mingw) it always returns NULL.
+ // Since this method gets called for every translatable
+ // buffer string like e.g. "Figure:" we warn only once.
+#ifndef _WIN32
+ static bool warned = false;
+ if (!warned && !lc_msgs) {
+ warned = true;
+ 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());
- setlocale(LC_ALL, old);
- free(old);
- return string(msg);
+ 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);
+#ifdef HAVE_LC_MESSAGES
+ setlocale(LC_MESSAGES, lang.c_str());
+#endif
+ setlocale(LC_CTYPE, oldCTYPE.c_str());
+ return translated;
}
private:
///
string lang_;
- ///
- string localedir_;
};
#endif
// This is the dummy variant.
class Messages::Pimpl {
public:
- Pimpl(string const &, string const &) {}
+ Pimpl(string const &) {}
~Pimpl() {}
};
#endif
-Messages::Messages(string const & l, string const & dir)
- : pimpl_(new Pimpl(l, dir))
+
+Messages::Messages()
+ : pimpl_(new Pimpl(""))
+{}
+
+
+Messages::Messages(string const & l)
+ : pimpl_(new Pimpl(l))
{}