lyx_mirror/src/VCBackend.h
Pavel Sanda 7929cad343 We need public API
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33446 a592a061-630c-0410-9148-cb99ea01b6c8
2010-02-12 12:16:34 +00:00

324 lines
8.0 KiB
C++

// -*- C++ -*-
/**
* \file VCBackend.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Pavel Sanda
*
* Full author contact details are available in file CREDITS.
*/
#ifndef VC_BACKEND_H
#define VC_BACKEND_H
#include "support/FileName.h"
#include <string>
#include "LyXVC.h"
namespace lyx {
class Buffer;
/// A simple version control system interface
class VCS {
public:
/// the status of the managed file
enum VCStatus {
UNLOCKED,
LOCKED,
NOLOCKING
};
virtual ~VCS() {}
/// register a file for version control
virtual void registrer(std::string const & msg) = 0;
/// check in the current revision, returns log
virtual std::string checkIn(std::string const & msg) = 0;
// can be this operation processed in the current RCS?
virtual bool checkInEnabled() = 0;
/// check out for editing, returns log
virtual std::string checkOut() = 0;
// can be this operation processed in the current RCS?
virtual bool checkOutEnabled() = 0;
/// synchronize with repository, returns log
virtual std::string repoUpdate() = 0;
// can be this operation processed in the current RCS?
virtual bool repoUpdateEnabled() = 0;
// toggle locking property of the file
virtual std::string lockingToggle() = 0;
// can be this operation processed in the current RCS?
virtual bool lockingToggleEnabled() = 0;
/// revert current edits
virtual void revert() = 0;
/// FIXME
virtual void undoLast() = 0;
// can be this operation processed in the current RCS?
virtual bool undoLastEnabled() = 0;
/**
* getLog - read the revision log into the given file
* @param fname file name to read into
*/
virtual void getLog(support::FileName const &) = 0;
/// return the current version description
virtual std::string const versionString() const = 0;
/// set the owning buffer
void owner(Buffer * b) { owner_ = b; }
/// return the owning buffer
Buffer * owner() const { return owner_; }
/// return the lock status of this file
VCStatus status() const { return vcstatus; }
/// do we need special handling for read-only toggling?
/// (also used for check-out operation)
virtual bool toggleReadOnlyEnabled() = 0;
/// Return revision info specified by the argument.
virtual std::string revisionInfo(LyXVC::RevisionInfo const info) = 0;
virtual bool prepareFileRevision(int rev, std::string & f) = 0;
virtual bool prepareFileRevisionEnabled() = 0;
protected:
/// parse information from the version file
virtual void scanMaster() = 0;
// GUI container for doVCCommandCall
int doVCCommand(std::string const & cmd, support::FileName const & path);
/**
* doVCCommandCall - call out to the version control utility
* @param cmd the command to execute
* @param path the path from which to execute
* @return exit status
*/
static int doVCCommandCall(std::string const & cmd, support::FileName const & path);
/**
* The master VC file. For RCS this is *,v or RCS/ *,v. master should
* have full path.
*/
support::FileName master_;
/// The status of the VC controlled file.
VCStatus vcstatus;
/// The buffer using this VC
Buffer * owner_;
};
///
class RCS : public VCS {
public:
explicit
RCS(support::FileName const & m);
/// return the revision file for the given file, if found
static support::FileName const findFile(support::FileName const & file);
static void retrieve(support::FileName const & file);
virtual void registrer(std::string const & msg);
virtual std::string checkIn(std::string const & msg);
virtual bool checkInEnabled();
virtual std::string checkOut();
virtual bool checkOutEnabled();
virtual std::string repoUpdate();
virtual bool repoUpdateEnabled();
virtual std::string lockingToggle();
virtual bool lockingToggleEnabled();
virtual void revert();
virtual void undoLast();
virtual bool undoLastEnabled();
virtual void getLog(support::FileName const &);
virtual std::string const versionString() const {
return "RCS: " + version_;
}
virtual bool toggleReadOnlyEnabled();
virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
virtual bool prepareFileRevision(int rev, std::string & f);
virtual bool prepareFileRevisionEnabled();
protected:
virtual void scanMaster();
private:
/**
* The version of the VC file. I am not sure if this can be a
* string or if it must be a float/int.
*/
std::string version_;
/// The user currently keeping the lock on the VC file (or "Unlocked").
std::string locker_;
};
///
class CVS : public VCS {
public:
///
explicit
CVS(support::FileName const & m, support::FileName const & f);
/// return the revision file for the given file, if found
static support::FileName const findFile(support::FileName const & file);
virtual void registrer(std::string const & msg);
virtual std::string checkIn(std::string const & msg);
virtual bool checkInEnabled();
virtual std::string checkOut();
virtual bool checkOutEnabled();
virtual std::string repoUpdate();
virtual bool repoUpdateEnabled();
virtual std::string lockingToggle();
virtual bool lockingToggleEnabled();
virtual void revert();
virtual void undoLast();
virtual bool undoLastEnabled();
virtual void getLog(support::FileName const &);
virtual std::string const versionString() const {
return "CVS: " + version_;
}
virtual bool toggleReadOnlyEnabled();
virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
virtual bool prepareFileRevision(int rev, std::string & f);
virtual bool prepareFileRevisionEnabled();
protected:
virtual void scanMaster();
private:
support::FileName file_;
// revision number from scanMaster
std::string version_;
/// The user currently keeping the lock on the VC file.
std::string locker_;
};
///
class SVN : public VCS {
public:
///
explicit
SVN(support::FileName const & m, support::FileName const & f);
/// return the revision file for the given file, if found
static support::FileName const findFile(support::FileName const & file);
virtual void registrer(std::string const & msg);
virtual std::string checkIn(std::string const & msg);
virtual bool checkInEnabled();
virtual std::string checkOut();
virtual bool checkOutEnabled();
virtual std::string repoUpdate();
virtual bool repoUpdateEnabled();
virtual std::string lockingToggle();
virtual bool lockingToggleEnabled();
virtual void revert();
virtual void undoLast();
virtual bool undoLastEnabled();
virtual void getLog(support::FileName const &);
virtual std::string const versionString() const {
return "SVN: " + rev_file_cache_;
}
virtual bool toggleReadOnlyEnabled();
virtual std::string revisionInfo(LyXVC::RevisionInfo const info);
virtual bool prepareFileRevision(int rev, std::string & f);
virtual bool prepareFileRevisionEnabled();
protected:
virtual void scanMaster();
/// Check for messages in svn output. Returns error.
std::string scanLogFile(support::FileName const & f, std::string & status);
/// checks locking policy and setup locked_mode_
bool checkLockMode();
/// is the loaded file locked?
bool isLocked() const;
/// acquire/release write lock for the current file
void fileLock(bool lock, support::FileName const & tmpf, std::string & status);
private:
support::FileName file_;
/// is the loaded file under locking policy?
bool locked_mode_;
/**
* Real code for obtaining file revision info. Fills all file-related caches
* and returns true if successfull.
* "?" is stored in rev_file_cache_ as a signal if request for obtaining info
* was already unsuccessful.
*/
bool getFileRevisionInfo();
/// cache for file revision number, "?" if already unsuccessful, isNumber==true
std::string rev_file_cache_;
/// cache for author of last commit
std::string rev_author_cache_;
/// cache for date of last commit
std::string rev_date_cache_;
/// cache for time of last commit
std::string rev_time_cache_;
/// fills rev_tree_cache_, returns true if successfull.
bool getTreeRevisionInfo();
/// cache for tree revision number, "?" if already unsuccessful
std::string rev_tree_cache_;
};
} // namespace lyx
#endif // VCBACKEND_H