X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxlex_pimpl.C;h=292778761a44a3bd87fc7d77c3a8b60e4b91fc6e;hb=2486c96b8d9086471299bf207b85b1ce848246aa;hp=90e68b8ecdc75e8b8343293687f24263b4273646;hpb=e25012ddfad9b27467bb1af49f3e6bfcd863b408;p=lyx.git

diff --git a/src/lyxlex_pimpl.C b/src/lyxlex_pimpl.C
index 90e68b8ecd..292778761a 100644
--- a/src/lyxlex_pimpl.C
+++ b/src/lyxlex_pimpl.C
@@ -1,39 +1,62 @@
+/**
+ * \file lyxlex_pimpl.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
+ * \author Jürgen Vigna
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
 #include <config.h>
 
 #include "lyxlex_pimpl.h"
+
 #include "debug.h"
 
-#include "support/lyxalgo.h"
 #include "support/filetools.h"
+#include "support/lyxalgo.h"
 #include "support/lstrings.h"
 
-#include <algorithm>
+#include <functional>
+
+using lyx::support::compare_ascii_no_case;
+using lyx::support::getFormatFromContents;
+using lyx::support::MakeDisplayPath;
+using lyx::support::split;
+using lyx::support::subst;
 
+using std::endl;
+using std::getline;
+using std::lower_bound;
 using std::sort;
-using std::ostream;
+using std::string;
 using std::ios;
 using std::istream;
-using std::endl;
-using std::lower_bound;
-using std::vector;
-using std::getline;
+using std::ostream;
+
+namespace {
 
-// namespace {
-struct compare_tags {
+class compare_tags
+	: public std::binary_function<keyword_item, keyword_item, bool> {
+public:
 	// used by lower_bound, sort and sorted
-	inline
-	int operator()(keyword_item const & a, keyword_item const & b) const {
+	bool operator()(keyword_item const & a, keyword_item const & b) const
+	{
 		// we use the ascii version, because in turkish, 'i'
 		// is not the lowercase version of 'I', and thus
 		// turkish locale breaks parsing of tags.
 		return compare_ascii_no_case(a.tag, b.tag) < 0;
 	}
 };
-// } // end of anon namespace
+
+} // end of anon namespace
 
 
 LyXLex::Pimpl::Pimpl(keyword_item * tab, int num)
-	: is(&fb__), table(tab), no_items(num),
+	: is(&fb_), table(tab), no_items(num),
 	  status(0), lineno(0), commentChar('#')
 {
 	verifyTable();
@@ -56,7 +79,7 @@ void LyXLex::Pimpl::printError(string const & message) const
 
 void LyXLex::Pimpl::printTable(ostream & os)
 {
-	os << "\nNumber of tags: " << no_items << '\n';
+	os << "\nNumber of tags: " << no_items << endl;
 	for (int i= 0; i < no_items; ++i)
 		os << "table[" << i
 		   << "]:  tag: `" << table[i].tag
@@ -73,11 +96,11 @@ void LyXLex::Pimpl::verifyTable()
 		lyxerr << "The table passed to LyXLex is not sorted!\n"
 		       << "Tell the developers to fix it!" << endl;
 		// We sort it anyway to avoid problems.
-		lyxerr << "\nUnsorted:\n";
+		lyxerr << "\nUnsorted:" << endl;
 		printTable(lyxerr);
 
 		sort(table, table + no_items, compare_tags());
-		lyxerr << "\nSorted:\n";
+		lyxerr << "\nSorted:" << endl;
 		printTable(lyxerr);
 	}
 }
@@ -111,23 +134,48 @@ void LyXLex::Pimpl::popTable()
 
 bool LyXLex::Pimpl::setFile(string const & filename)
 {
-	// The check only outputs a debug message, because it triggers
-	// a bug in compaq cxx 6.2, where is_open() returns 'true' for a
-	// fresh new filebuf.  (JMarc)
-	if (fb__.is_open() || is.tellg() > 0)
-		lyxerr[Debug::LYXLEX] << "Error in LyXLex::setFile: "
-			"file or stream already set." << endl;
-	fb__.open(filename.c_str(), ios::in);
-	is.rdbuf(&fb__);
-	name = filename;
-	lineno = 0;
-	return fb__.is_open() && is.good();
+	// Check the format of the file.
+	string const format = getFormatFromContents(filename);
+
+	if (format == "gzip" || format == "zip" || format == "compress") {
+		lyxerr[Debug::LYXLEX] << "lyxlex: compressed" << endl;
+
+#ifdef USE_COMPRESSION
+		// The check only outputs a debug message, because it triggers
+		// a bug in compaq cxx 6.2, where is_open() returns 'true' for
+		// a fresh new filebuf.  (JMarc)
+		if (gz_.is_open() || istream::off_type(is.tellg()) > -1)
+			lyxerr[Debug::LYXLEX] << "Error in LyXLex::setFile: "
+				"file or stream already set." << endl;
+		gz_.open(filename.c_str(), ios::in);
+		is.rdbuf(&gz_);
+		name = filename;
+		lineno = 0;
+		return gz_.is_open() && is.good();
+#else
+		return false;
+#endif
+	} else {
+		lyxerr[Debug::LYXLEX] << "lyxlex: UNcompressed" << endl;
+
+		// The check only outputs a debug message, because it triggers
+		// a bug in compaq cxx 6.2, where is_open() returns 'true' for
+		// a fresh new filebuf.  (JMarc)
+		if (fb_.is_open() || istream::off_type(is.tellg()) > 0)
+			lyxerr[Debug::LYXLEX] << "Error in LyXLex::setFile: "
+				"file or stream already set." << endl;
+		fb_.open(filename.c_str(), ios::in);
+		is.rdbuf(&fb_);
+		name = filename;
+		lineno = 0;
+		return fb_.is_open() && is.good();
+	}
 }
 
 
 void LyXLex::Pimpl::setStream(istream & i)
 {
-	if (fb__.is_open() || is.tellg() > 0)
+	if (fb_.is_open() || istream::off_type(is.tellg()) > 0)
 		lyxerr[Debug::LYXLEX]  << "Error in LyXLex::setStream: "
 			"file or stream already set." << endl;
 	is.rdbuf(i.rdbuf());