* GuiTabular.cpp:

[lyx.git] / src / LyXVC.h

diff --git a/src/LyXVC.h b/src/LyXVC.h
index 92db82c52c1571d7f33e03e7cc5ab43b00a5e3f9..f0302eee6637e40f9a3ae4765f3d0b19ba29e5ef 100644 (file)
--- a/src/LyXVC.h
+++ b/src/LyXVC.h
@@ -104,6 +104,20 @@ public:
        void undoLast();
        /// Does the current VC supports this operation?
        bool undoLastEnabled() const;
+       /**
+        * Prepare revision rev of the file into newly created temporary file
+        * and save the filename into parameter f.
+        * Parameter rev can be either revision number or negative number
+        * which is interpreted as how many revision back from the current
+        * one do we want. rev=0 is reserved for the last (committed) revision.
+        * We need rev to be string, since in various VCS revision is not integer.
+        * If RCS addressed by a single number, it is automatically used
+        * as the last number in the whole revision specification (it applies
+        * for retrieving normal revisions (rev>0) or backtracking (rev<0).
+        */
+       bool prepareFileRevision(std::string const & rev, std::string & f);
+       /// Does the current VC supports this operation?
+       bool prepareFileRevisionEnabled();
 
        /**
         * Generate a log file and return the filename.
@@ -133,6 +147,7 @@ public:
 
        // type of the revision information
        enum RevisionInfo {
+               Unknown = 0,
                File = 1,
                Tree = 2,
                Author = 3,
@@ -145,7 +160,7 @@ public:
         * Its safe to call it regardless VCS is in usage or this
         * info is (un)available. Returns empty string in such a case.
         */
-       std::string revisionInfo(RevisionInfo const info);
+       std::string revisionInfo(RevisionInfo const info) const;
 
 private:
        ///