X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxtextclasslist.C;h=d9048a75be9dd4d603f7e6c7730c52729ce3d33e;hb=52eb91c94fb70d58dceef430659c8781de2eccda;hp=c930d8a3a19734886d04c9c574197afadd53f4f2;hpb=8c93f63b48a1b15d4f3e163b7305213f2f73879e;p=lyx.git

diff --git a/src/lyxtextclasslist.C b/src/lyxtextclasslist.C
index c930d8a3a1..d9048a75be 100644
--- a/src/lyxtextclasslist.C
+++ b/src/lyxtextclasslist.C
@@ -19,17 +19,22 @@
 #include "support/filetools.h"
 
 #include <boost/bind.hpp>
+#include <boost/regex.hpp>
+#include <boost/filesystem/operations.hpp>
+#include <fstream>
 
-using lyx::textclass_type;
 
-using lyx::support::libFileSearch;
-using lyx::support::makeDisplayPath;
+namespace lyx {
+namespace fs = boost::filesystem;
 
-using boost::bind;
+using support::FileName;
+using support::addName;
+using support::libFileSearch;
+using support::makeDisplayPath;
 
-#ifndef CXX_GLOBAL_CSTD
-using std::exit;
-#endif
+using boost::bind;
+using boost::regex;
+using boost::smatch;
 
 using std::endl;
 using std::equal_to;
@@ -38,11 +43,12 @@ using std::make_pair;
 using std::sort;
 using std::string;
 using std::pair;
+using std::ifstream;
 
 
 // Gets textclass number from name
 pair<bool, textclass_type> const
-LyXTextClassList::NumberOfClass(string const & textclass) const
+LyXTextClassList::numberOfClass(string const & textclass) const
 {
 	ClassList::const_iterator cit =
 		find_if(classlist_.begin(), classlist_.end(),
@@ -88,16 +94,17 @@ public:
 
 
 // Reads LyX textclass definitions according to textclass config file
-bool LyXTextClassList::Read()
+bool LyXTextClassList::read()
 {
 	LyXLex lex(0, 0);
-	string real_file = libFileSearch("", "textclass.lst");
+	support::FileName const real_file = libFileSearch("", "textclass.lst");
 	lyxerr[Debug::TCLASS] << "Reading textclasses from `"
 			      << real_file << '\'' << endl;
 
 	if (real_file.empty()) {
 		lyxerr << "LyXTextClassList::Read: unable to find "
-			"textclass file  `" << makeDisplayPath(real_file, 1000)
+		          "textclass file  `"
+		       << to_utf8(makeDisplayPath(real_file.absFilename(), 1000))
 		       << "'. Exiting." << endl;
 		return false;
 		// This causes LyX to end... Not a desirable behaviour. Lgb
@@ -115,7 +122,8 @@ bool LyXTextClassList::Read()
 
 	if (!lex.isOK()) {
 		lyxerr << "LyXTextClassList::Read: unable to open "
-			"textclass file  `" << makeDisplayPath(real_file, 1000)
+		          "textclass file  `"
+		       << to_utf8(makeDisplayPath(real_file.absFilename(), 1000))
 		       << "'\nCheck your installation. LyX can't continue."
 		       << endl;
 		return false;
@@ -167,20 +175,62 @@ bool LyXTextClassList::Read()
 }
 
 
+std::pair<bool, textclass_type> const
+LyXTextClassList::addTextClass(std::string const & textclass, std::string const & path)
+{
+	// only check for textclass.layout file, .cls can be anywhere in $TEXINPUTS
+	// NOTE: latex class name is defined in textclass.layout, which can be different from textclass
+	FileName const layout_file(addName(path, textclass + ".layout"));
+	if (fs::exists(layout_file.toFilesystemEncoding())) {
+		lyxerr[Debug::TCLASS] << "Adding class " << textclass << " from directory " << path << endl;
+		// Read .layout file and get description, real latex classname etc
+		//
+		// This is a C++ version of function processLayoutFile in configure.py,
+		// which uses the following regex
+		//     \Declare(LaTeX|DocBook)Class\s*(\[([^,]*)(,.*)*\])*\s*{(.*)}
+		ifstream ifs(layout_file.toFilesystemEncoding().c_str());
+		static regex const reg("^#\\s*\\\\Declare(LaTeX|DocBook)Class\\s*"
+			"(?:\\[([^,]*)(?:,.*)*\\])*\\s*\\{(.*)\\}\\s*");
+		string line;
+		while (getline(ifs, line)) {
+			// look for the \DeclareXXXClass line
+			smatch sub;
+			if (regex_match(line, sub, reg)) {
+				// returns: whole string, classtype (not used here), first option, description
+				BOOST_ASSERT(sub.size()==4);
+				// now, add the layout to textclass.
+				LyXTextClass tmpl(textclass, sub.str(2)==""?textclass:sub.str(2), 
+					sub.str(3) + " <" + path + ">", true);
+				if (lyxerr.debugging(Debug::TCLASS))
+					tmpl.load(path);
+				classlist_.push_back(tmpl);
+				return make_pair(true, classlist_.size() - 1);
+			}
+		}
+	}
+	// If .layout is not in local directory, or an invalid layout is found, return false
+	return make_pair(false, textclass_type(0));
+}
+	
+
 // Global variable: textclass table.
 LyXTextClassList textclasslist;
 
 
 // Reads the style files
-void LyXSetStyle()
+bool LyXSetStyle()
 {
 	lyxerr[Debug::TCLASS] << "LyXSetStyle: parsing configuration..." << endl;
 
-	if (!textclasslist.Read()) {
+	if (!textclasslist.read()) {
 		lyxerr[Debug::TCLASS] << "LyXSetStyle: an error occured "
 			"during parsing.\n             Exiting." << endl;
-		exit(1);
+		return false;
 	}
 
 	lyxerr[Debug::TCLASS] << "LyXSetStyle: configuration parsed." << endl;
+	return true;
 }
+
+
+} // namespace lyx