fix IsFileWriteable, implement the file_not_found_hook and make it work for RCS

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@413 a592a061-630c-0410-9148-cb99ea01b6c8

ChangeLog

@@ -1,3 +1,17 @@
+2000-01-11  Lars Gullik Bjønnes  <larsbj@lyx.org>
+
+	* src/vc-backend.C (doVCCommand): change to be static and take one
+	more parameter: the path to chdir too be fore executing the command.
+	(retrive): new function equiv to "co -r"
+
+	* src/bufferlist.C (loadLyXFile): implement the missing parts if
+	file_not_found_hook is true.
+
+	* src/lyxvc.C (file_not_found_hook): implement file_not_found_hook.
+
+	* src/support/filetools.C (IsFileWriteable): use FileInfo to check
+	if a file is readwrite,readonly...anything else.
+
 2000-01-10  Lars Gullik Bjřnnes  <larsbj@lyx.org>
 
 	* src/lyx_cb.C (MakeLaTeXOutput): name change from MakeDVIOutput

src/bufferlist.C

@@ -36,6 +36,7 @@
 #include "lyx_cb.h"
 #include "gettext.h"
 #include "LyXView.h"
+#include "vc-backend.h"
 
 extern BufferView * current_view;
 extern int RunLinuxDoc(int, string const &);
@@ -596,7 +597,13 @@ Buffer * BufferList::loadLyXFile(string const & filename, bool tolastfiles)
 		if (LyXVC::file_not_found_hook(s)) {
 			// Ask if the file should be checked out for
 			// viewing/editing, if so: load it.
-			lyxerr << "Do you want to checkout?" << endl;
+		        if (AskQuestion(_("Do you want to retrive file under version control?"))) {
+				// How can we know _how_ to do the checkout?
+				// With the current VC support it has to be,
+				// a RCS file since CVS do not have special ,v files.
+				RCS::retrive(s);
+				return loadLyXFile(filename, tolastfiles);
+			}
 		}
 		if (AskQuestion(_("Cannot open specified file:"), 
 				MakeDisplayPath(s, 50),

src/lyxvc.C

@@ -59,9 +59,13 @@ bool LyXVC::file_found_hook(string const & fn)
 }
 
 
-bool LyXVC::file_not_found_hook(string const &)
+bool LyXVC::file_not_found_hook(string const & fn)
 {
-	// file is not under any VCS.
+	// Check if file is under RCS
+	if (!RCS::find_file(fn).empty())
+		return true;
+	if (!CVS::find_file(fn).empty())
+		return true;
 	return false;
 }
 

src/support/filetools.C

@@ -17,9 +17,6 @@
 #include <config.h>
 
 #include <cctype>
-#include <fstream>
-using std::fstream;
-using std::ios;
 
 #include <utility>
 using std::make_pair;
@@ -157,15 +154,12 @@ bool IsFileReadable (string const & path)
 //	 -1 error (doesn't exist, no access, anything else) 
 int IsFileWriteable (string const & path)
 {
-	fstream fs(path.c_str(), ios::out|ios::ate);
+	FileInfo fi(path);
-	if (!fs) {
+	if (fi.access(FileInfo::wperm|FileInfo::rperm)) // read-write
-		fs.open(path.c_str(), ios::in|ios::ate);
+		return 1;
-		if (fs)
+	if (fi.readable()) // read-only
-			return 0;
+		return 0;
-		else
+	return -1; // everything else.
-			return -1;
-	}
-	return 1;
 }
 
 

src/vc-backend.C

@@ -18,11 +18,11 @@ using std::ifstream;
 #include "lyxfunc.h"
 
 
-int VCS::doVCCommand(string const & cmd)
+int VCS::doVCCommand(string const & cmd, string const & path)
 {
 	lyxerr[Debug::LYXVC] << "doVCCommand: " << cmd << endl;
         Systemcalls one;
-	Path p(owner_->filepath);
+	Path p(path);
 	int ret = one.startscript(Systemcalls::System, cmd);
 	return ret;
 }
@@ -63,6 +63,15 @@ string RCS::find_file(string const & file)
 }
 
 
+void RCS::retrive(string const & file)
+{
+	lyxerr[Debug::LYXVC] << "LyXVC::RCS: retrive.\n\t" << file << endl;
+	VCS::doVCCommand("co -q -r \""
+			 + file + "\"",
+			 string());
+}
+
+
 void RCS::scanMaster()
 {
 	lyxerr[Debug::LYXVC] << "LyXVC::RCS: scanMaster." << endl;
@@ -133,7 +142,7 @@ void RCS::registrer(string const & msg)
 	cmd += "\" \"";
 	cmd += OnlyFilename(owner_->fileName());
 	cmd += "\"";
-	doVCCommand(cmd);
+	doVCCommand(cmd, owner_->filepath);
 	owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 }
 
@@ -141,7 +150,7 @@ void RCS::registrer(string const & msg)
 void RCS::checkIn(string const & msg)
 {
 	doVCCommand("ci -q -u -m\"" + msg + "\" \""
-		    + OnlyFilename(owner_->fileName()) + "\"");
+		    + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 	owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 }
 
@@ -150,7 +159,7 @@ void RCS::checkOut()
 {
 	owner_->markLyxClean();
 	doVCCommand("co -q -l \""
-		    + OnlyFilename(owner_->fileName()) + "\"");
+		    + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 	owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 }
 
@@ -158,7 +167,7 @@ void RCS::checkOut()
 void RCS::revert()
 {
 	doVCCommand("co -f -u" + version() + " \""
-		    + OnlyFilename(owner_->fileName()) + "\"");
+		    + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 	// We ignore changes and just reload!
 	owner_->markLyxClean();
 	owner_->getUser()->owner()
@@ -170,14 +179,14 @@ void RCS::undoLast()
 {
 	lyxerr[Debug::LYXVC] << "LyXVC: undoLast" << endl;
 	doVCCommand("rcs -o" + version() + " \""
-		    + OnlyFilename(owner_->fileName()) + "\"");
+		    + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 }
 
 
 void RCS::getLog(string const & tmpf)
 {
 	doVCCommand("rlog \""
-		    + OnlyFilename(owner_->fileName()) + "\" > " + tmpf);
+		    + OnlyFilename(owner_->fileName()) + "\" > " + tmpf, owner_->filepath);
 }
 
 
@@ -263,7 +272,7 @@ void CVS::scanMaster()
 void CVS::registrer(string const & msg)
 {
 	doVCCommand("cvs -q add -m \"" + msg + "\" \""
-		    + OnlyFilename(owner_->fileName()) + "\"");
+		    + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 	owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 }
 
@@ -271,7 +280,7 @@ void CVS::registrer(string const & msg)
 void CVS::checkIn(string const & msg)
 {
 	doVCCommand("cvs -q commit -m \"" + msg + "\" \""
-		    + OnlyFilename(owner_->fileName()) + "\"");
+		    + OnlyFilename(owner_->fileName()) + "\"", owner_->filepath);
 	owner_->getUser()->owner()->getLyXFunc()->Dispatch("buffer-reload");
 }
 

src/vc-backend.h

@@ -50,7 +50,7 @@ public:
 	VCStatus stat() const { return vcstat; }
 protected:
 	///
-	int doVCCommand(string const &);
+	static int doVCCommand(string const &, string const &);
 
 	/** The master VC file. For RCS this is *,v or RCS/ *,v. master should
 	    have full path.
@@ -80,6 +80,8 @@ public:
 	///
 	static string find_file(string const & file);
 	///
+	static void retrive(string const & file);
+	///
 	virtual void scanMaster();
 	///
 	virtual void registrer(string const & msg);