*
* \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 "support/docstring.h"
+#include "support/environment.h"
+#include "support/filetools.h"
+#include "support/package.h"
+#include "support/types.h"
+
+#include <boost/current_function.hpp>
+#include <boost/regex.hpp>
+
+#include <cerrno>
+
+namespace {
+boost::regex const reg("^([^\\[]*)\\[\\[[^\\]]*\\]\\]$");
+};
#ifdef ENABLE_NLS
+#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
+
+using std::endl;
+using std::make_pair;
+using std::map;
+using std::string;
+
+namespace lyx {
+
+using support::package;
+using support::getEnv;
+using support::setEnv;
+
+
+#ifdef WORDS_BIGENDIAN
+ char const * codeset = "UCS-4BE";
+#else
+ char const * codeset = "UCS-4LE";
+#endif
+
+// This version use the traditional gettext.
+Messages::Messages(string const & l)
+ : lang_(l)
+{
+ 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_ << ")" << endl;
+}
+
+
+docstring const Messages::get(string const & m) const
+{
+ if (m.empty())
+ return docstring();
+
+ // Look for the translated string in the cache.
+ TranslationCache::iterator it = cache_.find(m);
+ if (it != cache_.end())
+ return it->second;
+ // The string was not found, use gettext to generate it:
+
+ // 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 and cygwin) it always returns NULL.
+ // Since this method gets called for every translatable
+ // buffer string like e.g. "Figure:" we warn only once.
+#if !defined(_WIN32) && !defined(__CYGWIN__)
+ bool warned = false;
+ if (!warned && !lc_msgs) {
+ warned = true;
+ lyxerr << "Locale " << lang_ << " could not be set" << 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 << endl;
+ }
+
+ if (!bind_textdomain_codeset(PACKAGE, codeset)) {
+ lyxerr[Debug::DEBUG]
+ << BOOST_CURRENT_FUNCTION << '\n'
+ << "Error code: " << errno << '\n'
+ << "Codeset : " << codeset << '\n'
+ << endl;
+ }
+
+ textdomain(PACKAGE);
+ char const * tmp = m.c_str();
+ char const * msg = gettext(tmp);
+ docstring translated;
+ if (!msg || msg == tmp) {
+ if (!msg)
+ lyxerr << "Undefined result from gettext" << endl;
+ //else
+ // lyxerr << "Same as entered returned" << endl;
+ // 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.
+ boost::smatch sub;
+ if (regex_match(m, sub, reg))
+ translated = from_ascii(sub.str(1));
+ else
+ translated = from_ascii(tmp);
+ } else {
+ lyxerr[Debug::DEBUG] << "We got a translation" << endl;
+ char_type const * ucs4 = reinterpret_cast<char_type const *>(msg);
+ translated = ucs4;
+ }
+#ifdef HAVE_LC_MESSAGES
+ setlocale(LC_MESSAGES, lang.c_str());
+#endif
+ setlocale(LC_CTYPE, oldCTYPE.c_str());
+
+ std::pair<TranslationCache::iterator, bool> result =
+ cache_.insert(std::make_pair(m, translated));
+
+ BOOST_ASSERT(result.second);
+
+ return result.first->second;
+}
+
+} // namespace lyx
+
+#else // ENABLE_NLS
+// This is the dummy variant.
+
+using std::endl;
+using std::make_pair;
+using std::map;
+using std::string;
+
+namespace lyx {
+
+Messages::Messages(string const & l) {}
+
+
+docstring const Messages::get(string const & m) const
+{
+ // See comment above
+ boost::smatch sub;
+ if (regex_match(m, sub, reg))
+ return from_ascii(sub.str(1));
+ else
+ return from_ascii(m);
+}
+
+} // namespace lyx
+
+#endif
+
#if 0
-#include <locale>
+-#include <locale>
+
+namespace lyx {
// 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;
+ // << ") in dir(" << dir << ")" << 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());
}
mssg_gl.close(cat_gl);
}
- string const get(string const & msg) const
+ docstring const get(string const & msg) const
{
return mssg_gl.get(cat_gl, 0, 0, msg);
}
///
string lang_;
///
- string localedir_;
- ///
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, string const & dir)
- : lang_(l), localedir_(dir)
- {
- //lyxerr << "Messages: language(" << l
- // << ") in dir(" << dir << ")" << std::endl;
-
- bindtextdomain(PACKAGE, localedir_.c_str());
- textdomain(PACKAGE);
- }
- ~Pimpl() {}
+} // namespace lyx
- string const get(string const & m) const
- {
- char * old = strdup(setlocale(LC_ALL, 0));
- char * n = setlocale(LC_ALL, lang_.c_str());
- const char* msg = gettext(m.c_str());
- setlocale(LC_ALL, old);
- free(old);
- // If we are unable to honour the request we just
- // return what we got in.
- return (!n ? m : string(msg));
- }
-private:
- ///
- string lang_;
- ///
- string localedir_;
-};
#endif
-
-#else // ENABLE_NLS
-// This is the dummy variant.
-class Messages::Pimpl {
-public:
- Pimpl(string const &, string const &) {}
-
- ~Pimpl() {}
-
- string const get(string const & m) const
- {
- return m;
- }
-};
-#endif
-
-Messages::Messages(string const & l, string const & dir)
- : pimpl_(new Pimpl(l, dir))
-{}
-
-
-// We need this for the sake of scoped_ptr
-Messages::~Messages()
-{}
-
-
-string const Messages::get(string const & msg) const
-{
- return pimpl_->get(msg);
-}
projects / lyx.git / blobdiff