X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fchset.C;h=6a5631566d1d5843526d9895da4bbdc86b871118;hb=9ee46b846e5e84ad40ceda4f4af94aeb86cd90a2;hp=3cb66481060eec90f999e2aac499ce91930abd0b;hpb=bd29a5db31ecb101c54611e9d45dab09d1e90031;p=lyx.git

diff --git a/src/chset.C b/src/chset.C
index 3cb6648106..6a5631566d 100644
--- a/src/chset.C
+++ b/src/chset.C
@@ -1,120 +1,101 @@
-#include <config.h>
+/**
+ * \file chset.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include <config.h>
 
 #include "chset.h"
-#include "support/filetools.h"
-#include "lyxlex.h"
+
 #include "debug.h"
 
+#include "support/convert.h"
+#include "support/filetools.h"
 
-CharacterSet::CharacterSet()
-{
-	map_=0;
-}
+#include <boost/regex.hpp>
 
+#include <fstream>
 
-CharacterSet::~CharacterSet()
-{
-	freeMap();
-}
+using lyx::support::LibFileSearch;
 
+using boost::regex;
+using boost::smatch;
 
-void CharacterSet::freeMap()
-{
-	Cdef* t;
-	while(map_) {
-		t=map_;
-		map_=map_->next;
-		delete t;
-	}
+using std::endl;
+using std::getline;
+using std::make_pair;
 
-	name_.clear();
-}
+using std::ifstream;
+using std::pair;
+using std::string;
 
 
-bool CharacterSet::loadFile(const string& fname)
+bool CharacterSet::loadFile(string const & fname)
 {
-	freeMap();
-    
-	if (fname.empty() || fname=="ascii") 
-		return true;	// ascii 7-bit
+	map_.clear();
+	name_.erase();
+
+	// ascii 7-bit
+	if (fname.empty() || fname == "ascii")
+		return true;
 
 	// open definition file
 	lyxerr[Debug::KBMAP]
-		<< "Opening keymap file " << fname << ".cdef" << endl;
-	string filename = LibFileSearch("kbd", fname.c_str(), "cdef");
-	FilePtr f(filename, FilePtr::read);
-	if (filename.empty() || !f()) {
-		lyxerr << "Unable to open keymap file" << endl;
+		<< "Reading character set file " << fname << ".cdef" << endl;
+	string const filename = LibFileSearch("kbd", fname, "cdef");
+	ifstream ifs(filename.c_str());
+	if (!ifs) {
+		lyxerr << "Unable to open character set file" << endl;
 		return true;		// no definition, use 7-bit ascii
 	}
-
-	name_=fname;
-
-	// now read the file
-	LyXLex lex(0,0);
-	lex.setFile(f());
-
-	bool error=false;
-	string str;
-	int n;
-	
-	while(lex.IsOK() && !error) {
-		
-		switch(lex.lex()){
-		case LyXLex::LEX_FEOF :
-			lyxerr[Debug::KBMAP] << "End of parsing of .cdef file"
-					     << endl;
-			break;
-		default:
-			// Get Integer
-			n=lex.GetInteger();
-			if (n<0) {
-				error=true;
-				continue;
-			}
-	
-			// Get String
-			lex.next(true);
-			str=lex.GetString();
-
-			Cdef* tempc=new Cdef;
-			tempc->str=str;
-			tempc->ic=n;
-			tempc->next=map_;
-			map_=tempc;
-	
+	name_ = fname;
+
+	string line;
+	// Ok, I'll be the first to admit that this is probably not
+	// the fastest way to parse the cdef files, but I though it
+	// was a bit neat. Anyway it is wrong to use the lyxlex parse
+	// without the use of a keyword table.
+	regex reg("^([12][0-9][0-9])[ \t]+\"([^ ]+)\".*");
+	while (getline(ifs, line)) {
+		smatch sub;
+		if (regex_match(line, sub, reg)) {
+			int const n = convert<int>(sub.str(1));
+			string const str = sub.str(2);
 			if (lyxerr.debugging(Debug::KBMAP))
 				lyxerr << "Chardef: " << n
-				       << " to [" << tempc->str << "]" << endl;
-			break;
+				       << " to [" << str << ']' << endl;
+			map_[str] = n;
 		}
 	}
-	
+	lyxerr[Debug::KBMAP] << "End of parsing of .cdef file." << endl;
 	return false;
 }
 
 
-bool CharacterSet::encodeString(string & str)
+pair<bool, int> const CharacterSet::encodeString(string const & str) const
 {
-	Cdef *t=map_;
-    
-	while(t) {
-		if (t->str==str) {
-			// Can this fail? Why is ic an unsigned char?
-			str = char(t->ic);
-			break;
-		}
-		t=t->next;
+	lyxerr[Debug::KBMAP] << "Checking if we know [" << str << ']' << endl;
+	bool ret = false;
+	int val = 0;
+	Cdef::const_iterator cit = map_.find(str);
+	if (cit != map_.end()) {
+		ret =  true;
+		val = cit->second;
 	}
-	return (t!=0);
+	lyxerr[Debug::KBMAP] << "   "
+			     << (ret ? "yes we" : "no we don't")
+			     <<  " know [" << str << ']' << endl;
+	return make_pair(ret, val);
 }
 
 
-string CharacterSet::getName()
+string const & CharacterSet::getName() const
 {
 	return name_;
 }