X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fcontrollers%2Ftex_helpers.C;h=fbc78c2d78b1e023b9e8e120072aa9084662b282;hb=534095ce9e82d0b0f875540f7306ff218df3b5aa;hp=143f7d6f295f3adfb5bfcbe9a020eb6f7da7eac0;hpb=4ae87a3bb8503b5a672bb85448b11f08ebcfeffd;p=lyx.git

diff --git a/src/frontends/controllers/tex_helpers.C b/src/frontends/controllers/tex_helpers.C
index 143f7d6f29..fbc78c2d78 100644
--- a/src/frontends/controllers/tex_helpers.C
+++ b/src/frontends/controllers/tex_helpers.C
@@ -13,6 +13,9 @@
 #include "tex_helpers.h"
 
 #include "debug.h"
+#include "gettext.h"
+
+#include "frontends/Alert.h"
 
 #include "support/filetools.h"
 #include "support/lstrings.h"
@@ -30,7 +33,9 @@ using std::endl;
 
 namespace lyx {
 
+using support::bformat;
 using support::contains;
+using support::FileName;
 using support::getExtension;
 using support::getFileContents;
 using support::getVectorFromString;
@@ -45,16 +50,20 @@ using support::token;
 
 namespace frontend {
 
-// build filelists of all availabe bst/cls/sty-files. done through
-// kpsewhich and an external script, saved in *Files.lst
 void rescanTexStyles()
 {
 	// Run rescan in user lyx directory
 	Path p(package().user_support());
+	FileName const command = libFileSearch("scripts", "TeXFiles.py");
 	Systemcall one;
-	one.startscript(Systemcall::Wait,
+	int const status = one.startscript(Systemcall::Wait,
 			lyx::support::os::python() + ' ' +
-			quoteName(libFileSearch("scripts", "TeXFiles.py")));
+			quoteName(command.toFilesystemEncoding()));
+	if (status == 0)
+		return;
+	// FIXME UNICODE
+	Alert::error(_("Could not update TeX information"),
+		     bformat(_("The script `%s' failed."), lyx::from_utf8(command.absFilename())));
 }
 
 
@@ -72,7 +81,7 @@ void texhash()
 void getTexFileList(string const & filename, std::vector<string> & list)
 {
 	list.clear();
-	string const file = libFileSearch("", filename);
+	FileName const file = libFileSearch("", filename);
 	if (file.empty())
 		return;
 
@@ -94,9 +103,11 @@ void getTexFileList(string const & filename, std::vector<string> & list)
 
 string const getListOfOptions(string const & classname, string const & type)
 {
-	string const filename = getTexFileFromList(classname,type);
+	FileName const filename(getTexFileFromList(classname, type));
+	if (filename.empty())
+		return string();
 	string optionList = string();
-	std::ifstream is(filename.c_str());
+	std::ifstream is(filename.toFilesystemEncoding().c_str());
 	while (is) {
 		string s;
 		is >> s;
@@ -130,8 +141,12 @@ string const getTexFileFromList(string const & file,
 		lstfile = "bstFiles.lst";
 	else if (type == "bib")
 		lstfile = "bibFiles.lst";
-	string const allClasses = getFileContents(libFileSearch(string(),
-								lstfile));
+	FileName const abslstfile = libFileSearch(string(), lstfile);
+	if (abslstfile.empty()) {
+		lyxerr << "File `'" << lstfile << "' not found." << endl;
+		return string();
+	}
+	string const allClasses = getFileContents(abslstfile);
 	int entries = 0;
 	string classfile = token(allClasses, '\n', entries);
 	int count = 0;