X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmessages.C;h=1877ae2f0b23ca72e096248f2ca04f1e9604fe3e;hb=37e82a546392d43f787826b85481a11f2a27af15;hp=9966178e5a967eb7f33d23c29e918e83f8fe47ec;hpb=795e9a7586527296ed037e2a0f1d3a321ba9e7ed;p=lyx.git

diff --git a/src/messages.C b/src/messages.C
index 9966178e5a..1877ae2f0b 100644
--- a/src/messages.C
+++ b/src/messages.C
@@ -4,35 +4,159 @@
  *
  * \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/filetools.h"
+#include "support/path_defines.h"
 
-using std::endl;
+#include <boost/regex.hpp>
 
+using lyx::support::GetEnvPath;
+using lyx::support::lyx_localedir;
 
-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 std::string;
 
-	cat_gl = mssg_gl.open("lyx", loc_gl, localedir_.c_str());
-}
 
+#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, lyx_localedir().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)
+	{
+		//lyxerr << "Messages: language(" << l
+		//       << ") in dir(" << dir << ")" << std::endl;
 
+	}
+
+	~Pimpl() {}
+
+	string const get(string const & m) const
+	{
+		if (m.empty())
+			return m;
+
+		char * old = strdup(setlocale(LC_ALL, 0));
+		char * n = setlocale(LC_ALL, lang_.c_str());
+		bindtextdomain(PACKAGE, lyx_localedir().c_str());
+		textdomain(PACKAGE);
+		const char* msg = gettext(m.c_str());
+		// 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.
+		string translated(n ? msg : m);
+		static boost::regex const reg("^([^\\[]*)\\[\\[[^\\]]*\\]\\]$");
+		boost::smatch sub;
+		if (regex_match(translated, sub, reg))
+			translated = sub.str(1);
+		setlocale(LC_ALL, old);
+		free(old);
+		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);
 }