X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FBufferParams.cpp;h=3f0f44aeff5956fe659c638593017700bf5008a2;hb=5a8e91d1c5381d8c152b12269707b547d5241624;hp=a8c0a497dfecde1bf574d8de975616af5367aab5;hpb=46a16b0ca778ed32f7aa0cbc6c4d6d57f1270b98;p=lyx.git

diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index a8c0a497df..3f0f44aeff 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -304,6 +304,35 @@ SpaceTranslator const & spacetranslator()
 	return translator;
 }
 
+
+bool inSystemDir(FileName const & document_dir, string & system_dir)
+{
+	// A document is assumed to be in a system LyX directory (not
+	// necessarily the system directory of the running instance)
+	// if both "configure.py" and "chkconfig.ltx" are found in
+	// either document_dir/../ or document_dir/../../.
+	// If true, the system directory path is returned in system_dir
+	// with a trailing path separator.
+
+	string const msg = "Checking whether document is in a system dir...";
+
+	string dir = document_dir.absFileName();
+
+	for (int i = 0; i < 2; ++i) {
+		dir = addPath(dir, "..");
+		if (!fileSearch(dir, "configure.py").empty() &&
+		    !fileSearch(dir, "chkconfig.ltx").empty()) {
+			LYXERR(Debug::FILES, msg << " yes");
+			system_dir = addPath(FileName(dir).realPath(), "");
+			return true;
+		}
+	}
+
+	LYXERR(Debug::FILES, msg << " no");
+	system_dir = string();
+	return false;
+}
+
 } // anon namespace
 
 
@@ -681,8 +710,12 @@ string BufferParams::readToken(Lexer & lex, string const & token,
 		origin = lex.getString();
 		string const sysdirprefix = "/systemlyxdir/";
 		if (prefixIs(origin, sysdirprefix)) {
-			origin.replace(0, sysdirprefix.length() - 1,
-				package().system_support().absFileName());
+			string docsys;
+			if (inSystemDir(filepath, docsys))
+				origin.replace(0, sysdirprefix.length() - 1, docsys);
+			else
+				origin.replace(0, sysdirprefix.length() - 1,
+					package().system_support().absFileName());
 		}
 	} else if (token == "\\begin_preamble") {
 		readPreamble(lex);
@@ -1024,8 +1057,10 @@ void BufferParams::writeFile(ostream & os, Buffer const * buf) const
 	// the document directory (must end with a path separator)
 	// realPath() is used to resolve symlinks, while addPath(..., "")
 	// ensures a trailing path separator.
+	string docsys;
 	string filepath = addPath(buf->fileName().onlyPath().realPath(), "");
-	string const sysdir = addPath(package().system_support().realPath(), "");
+	string const sysdir = inSystemDir(FileName(filepath), docsys) ? docsys
+			: addPath(package().system_support().realPath(), "");
 	string const relpath =
 		to_utf8(makeRelPath(from_utf8(filepath), from_utf8(sysdir)));
 	if (!prefixIs(relpath, "../") && !FileName::isAbsolute(relpath))
@@ -2138,14 +2173,17 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
 			lyxpreamble += "[" + from_ascii(language->polyglossiaOpts()) + "]";
 		lyxpreamble += "{" + from_ascii(language->polyglossia()) + "}\n";
 		// now setup the other languages
-		std::map<std::string, std::string> const polylangs =
+		set<string> const polylangs =
 			features.getPolyglossiaLanguages();
-		for (std::map<std::string, std::string>::const_iterator mit = polylangs.begin();
+		for (set<string>::const_iterator mit = polylangs.begin();
 		     mit != polylangs.end() ; ++mit) {
+			// We do not output the options here; they are output in
+			// the language switch commands. This is safer if multiple
+			// varieties are used.
+			if (*mit == language->polyglossia())
+				continue;
 			lyxpreamble += "\\setotherlanguage";
-			if (!mit->second.empty())
-				lyxpreamble += "[" + from_ascii(mit->second) + "]";
-			lyxpreamble += "{" + from_ascii(mit->first) + "}\n";
+			lyxpreamble += "{" + from_ascii(*mit) + "}\n";
 		}
 	}