Use lyxconvert script for reading old files

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4745 a592a061-630c-0410-9148-cb99ea01b6c8

src/ChangeLog

@@ -1,3 +1,8 @@
+2002-07-22  Dekel Tsur  <dekelts@tau.ac.il>
+
+	* buffer.C (readFile): Run the lyxconvert script in order to read
+	old files.
+
 2002-07-22  John Levon  <moz@compsoc.man.ac.uk>
 
 	* LyXAction.C:

src/buffer.C

@@ -1713,10 +1713,22 @@ bool Buffer::readFile(LyXLex & lex, Paragraph * par)
 						     "Use LyX 0.10.x to read this!"));
 					return false;
 				} else if (file_format < 220) {
-					Alert::alert(_("ERROR!"),
-						     _("Old LyX file format found. "
-						       "Use LyX 1.2.x to read this!"));
-					return false;
+					//Alert::alert(_("Warning!"),
+					//	     _("Old LyX file format found. "
+					//	       "Running conversion script"));
+					string command = "lyxconvert "
+						+ QuoteName(filename_);
+					cmd_ret const ret = RunCommand(command);
+					if (ret.first) {
+						Alert::alert(_("ERROR!"),
+						     _("An error occured while "
+						       "running the conversion script."));
+						return false;
+					}
+					istringstream is(ret.second);
+					LyXLex tmplex(0, 0);
+					tmplex.setStream(is);
+					return readFile(tmplex);
 				}
 			}
 			bool the_end = readLyXformat2(lex, par);

src/support/ChangeLog

@@ -1,3 +1,7 @@
+2002-07-22  Dekel Tsur  <dekelts@tau.ac.il>
+
+	* filetools.C (RunCommand): Made public
+
 2002-07-22  John Levon  <moz@compsoc.man.ac.uk>
 
 	* limited_stack.h: fix comment, remove un-needed header

src/support/filetools.C

@@ -1286,11 +1286,7 @@ bool LyXReadLink(string const & file, string & link, bool resolve)
 }
 
 
-namespace {
-
-typedef pair<int, string> cmdret;
-
-cmdret const do_popen(string const & cmd)
+cmd_ret const RunCommand(string const & cmd)
 {
 	// One question is if we should use popen or
 	// create our own popen based on fork, exec, pipe
@@ -1314,8 +1310,6 @@ cmdret const do_popen(string const & cmd)
 	return make_pair(pret, ret);
 }
 
-} // namespace anon
-
 
 string const findtexfile(string const & fil, string const & /*format*/)
 {
@@ -1355,7 +1349,7 @@ string const findtexfile(string const & fil, string const & /*format*/)
 	// should help it by setting additional path in the approp. envir.var.
 	string const kpsecmd = "kpsewhich " + fil;
 
-	cmdret const c = do_popen(kpsecmd);
+	cmd_ret const c = RunCommand(kpsecmd);
 
 	lyxerr[Debug::LATEX] << "kpse status = " << c.first << "\n"
 		 << "kpse result = `" << strip(c.second, '\n')

src/support/filetools.h

@@ -12,6 +12,7 @@
 #endif
 
 #include <vector>
+#include <utility>
 #include "LString.h"
 
 
@@ -209,5 +210,8 @@ void removeAutosaveFile(string const & filename);
 /// read the BoundingBox entry from a ps/eps/pdf-file
 string const readBB_from_PSFile(string const & file);
 
+typedef std::pair<int, string> cmd_ret;
+
+cmd_ret const RunCommand(string const & cmd);
 
 #endif