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Datei: lyxvc.C Sprache: C

Original von: Lyx^©

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include FORMS_H_LOCATION
#include "lyxvc.h"
#include "error.h"
#include "lyx_gui_misc.h"
#include "bufferlist.h"
#include "syscall.h"
#include "pathstack.h"
#include "filetools.h"
#include "FileInfo.h"
#include "gettext.h"
#include "LyXView.h"
#include "lyxfunc.h"
#include "latexoptions.h"

extern BufferList bufferlist;
extern void MenuWrite(Buffer *);

#if 0
extern bool gsworking();
#endif

LyXVC::LyXVC()
{
backend = UNKNOWN_VCS;
_owner = 0;
browser = 0;
}

LyXVC::~LyXVC()
{
if (browser) {
  if (browser->LaTeXLog->visible)
   fl_hide_form(browser->LaTeXLog);
  fl_free_form(browser->LaTeXLog);
}
}

bool LyXVC::file_found_hook(LString const & fn)
{
LString tmp(fn);
FileInfo f;
// Check if *,v exists.
tmp += ",v";
lyxerr.debug(LString("Checking if file is under vc: ") + tmp, Error::LYXVC);
if (f.newFile(tmp).readable()) {
  lyxerr.debug("Yes it is under vc.", Error::LYXVC);
  master = tmp;
  backend = RCS_VCS;
  scanMaster();
  return true;
} else {
  // Check if RCS/*,v exists.
  tmp = AddName(AddPath(OnlyPath(fn), "RCS"), fn);
  tmp += ",v";
  lyxerr.debug("Checking if file is under vc: " + tmp, Error::LYXVC);
  if (f.newFile(tmp).readable()) {
   lyxerr.debug("Yes it is under vc.", Error::LYXVC);
   master = tmp;
   backend = RCS_VCS;
   scanMaster();
   return true;
  }
}
// If either one, return true

// file is not under any VCS.
return false;
}

bool LyXVC::file_not_found_hook(LString const &)
{
// file is not under any VCS.
return false;
}

void LyXVC::scanMaster()
{
lyxerr.debug("LyXVC: This file is a VC file.", Error::LYXVC);

LyXLex lex(NULL, 0);
lex.setFile(master);

LString token;
bool read_enough = false;
while (lex.IsOK() && !read_enough) {
  lex.next();
  token = lex.GetString();

  lyxerr.debug("LyXVC::scanMaster: current lex text: `"
    +token+"'", Error::LYXVC);

  if (token.empty())
   continue;
  else if (token == "head") {
   // get version here
   lex.next();
   LString tmv = lex.GetString();
   tmv.strip(';');
   version = tmv;
  } else if (token.contains("access")
      || token.contains("symbols")
      || token.contains("strict")) {
   // nothing
  } else if (token.contains("locks")) {
   // get locker here
   if (token.contains(";")) {
    locker = "Unlocked";
    vcstat = UNLOCKED;
    continue;
   }
   LString tmpt, s1, s2;
   do {
    lex.next();
    tmpt = lex.GetString();
    s1 = tmpt;
    s1.strip(';');
    // tmp is now in the format <user>:<version>
    s1.split(s2, ':');
    // s2 is user, and s1 is version
    if (s1 == version) {
     locker = s2;
     vcstat = LOCKED;
     break;
    }
   } while (!tmpt.contains(";"));

  } else if (token == "comment") {
   // we don't need to read any further than this.
   read_enough = true;
  } else {
   // unexpected
   lyxerr.debug("LyXVC::scanMaster(): unexpected token", Error::LYXVC);
  }
}
}

void LyXVC::setBuffer(Buffer *buf)
{
_owner = buf;
}

//
// I will probably add some backend_xxxx functions later to perform the
// version control system specific commands. Something like:
// void backend_revert(<params>) {
//        if (backend == "RCS") {
//        } else if (backend == "CVS") {
//        } else if (backend == "SCCS") {
//        }
//
// But for 0.12 we will only support RCS.
//

void LyXVC::registrer()
{
// If the document is changed, we might want to save it
if (!_owner->isLyxClean() &&
     AskQuestion(_("Changes in document:"),
   MakeDisplayPath(_owner->getFileName(),50),
   _("Save document and proceed?"))) {
  MenuWrite(_owner);
}

// Maybe the save fails, or we answered "no". In both cases,
// the document will be dirty, and we abort.
if (!_owner->isLyxClean()) {
  return;
}

lyxerr.debug("LyXVC: registrer", Error::LYXVC);
LString tmp = askForText(_("LyX VC: Initial description"));
if (tmp.empty()) tmp = "(no initial description)";
LString cmd = "ci -q -u -i -t-\"";
cmd += tmp;
cmd += "\" ";
cmd += OnlyFilename(_owner->getFileName());
doVCCommand(cmd);
_owner->getUser()->getOwner()->getLyXFunc()->Dispatch("buffer-reload");
}

void LyXVC::checkIn()
{
// If the document is changed, we might want to save it
if (!_owner->isLyxClean() &&
     AskQuestion(_("Changes in document:"),
   MakeDisplayPath(_owner->getFileName(),50),
   _("Save document and proceed?"))) {
  MenuWrite(_owner);
}

// Maybe the save fails, or we answered "no". In both cases,
// the document will be dirty, and we abort.
if (!_owner->isLyxClean()) {
  return;
}

lyxerr.debug("LyXVC: checkIn", Error::LYXVC);
_owner->getUser()->getOwner()->getLyXFunc()->Dispatch(LFUN_MENUWRITE);
LString tmp = askForText(_("LyX VC: Log Message"));
if (tmp.empty()) tmp = "(no log msg)";
doVCCommand("ci -q -u -m\"" + tmp + "\" "
      + OnlyFilename(_owner->getFileName()));
_owner->getUser()->getOwner()->getLyXFunc()->Dispatch("buffer-reload");
}

void LyXVC::checkOut()
{
lyxerr.debug("LyXVC: checkOut", Error::LYXVC);
if (!_owner->isLyxClean()
     && !AskQuestion(_("Changes in document:"),
      MakeDisplayPath(_owner->getFileName(),50),
      _("Ignore changes and proceed with check out?"))) {
  return;
}

_owner->markLyxClean();
doVCCommand("co -q -l "
      + OnlyFilename(_owner->getFileName()));
_owner->getUser()->getOwner()->getLyXFunc()->Dispatch("buffer-reload");
}

void LyXVC::revert()
{
lyxerr.debug("LyXVC: revert", Error::LYXVC);
// Here we should check if the buffer is dirty. And if it is
// we should warn the user that reverting will discard all
// changes made since the last check in.
if (AskQuestion(_("When you revert, you will loose all changes made"),
   _("to the document since the last check in."),
   _("Do you still want to do it?"))) {

  doVCCommand("co -f -u" + getVersion() + ' '
       + OnlyFilename(_owner->getFileName()));
  // We ignore changes and just reload!
  _owner->markLyxClean();
  _owner->getUser()->getOwner()->
   getLyXFunc()->Dispatch("buffer-reload");
}
}

void LyXVC::undoLast()
{
lyxerr.debug("LyXVC: undoLast", Error::LYXVC);
doVCCommand("rcs -o" + getVersion() + ' '
      + OnlyFilename(_owner->getFileName()));
}

void LyXVC::toggleReadOnly()
{
switch (vcstat) {
case UNLOCKED:
  checkOut();
  break;
case LOCKED:
  checkIn();
  break;
}
}

bool LyXVC::inUse()
{
if (!master.empty())
  return true;
return false;
}

LString const LyXVC::getVersion() const
{
return version;
}

LString const LyXVC::getLocker() const
{
return locker;
}

// This is a hack anyway so I'll put it here in the mean time.
void LyXVC::logClose(FL_OBJECT *obj, long)
{
LyXVC *This = (LyXVC*)obj->form->u_vdata;
fl_hide_form(This->browser->LaTeXLog);
}

void LyXVC::logUpdate(FL_OBJECT *obj, long)
{
LyXVC *This = (LyXVC*)obj->form->u_vdata;
This->showLog();
}

void LyXVC::viewLog(LString const & fil)
{
if (!browser) {
  FL_OBJECT *obj;
  browser = (FD_LaTeXLog *) fl_calloc(1, sizeof(*browser));

  browser->LaTeXLog = fl_bgn_form(FL_NO_BOX, 470, 380);
  browser->LaTeXLog->u_vdata = (void*)this;
  obj = fl_add_box(FL_UP_BOX, 0, 0, 470, 380, "");
  browser->browser_latexlog = fl_add_browser(FL_NORMAL_BROWSER, 10, 10, 450, 320, "");
  obj = fl_add_button(FL_RETURN_BUTTON, 270, 340, 90, 30, _("Close"));
  fl_set_object_lsize(obj, FL_NORMAL_SIZE);
  fl_set_object_callback(obj, logClose, 0);
  obj = fl_add_button(FL_NORMAL_BUTTON,370,340,90,30,
        idex(_("Update|#Uu")));
  fl_set_button_shortcut(obj,scex(_("Update|#Uu")),1);
  fl_set_object_lsize(obj,FL_NORMAL_SIZE);
  fl_set_object_callback(obj,logUpdate,0);
  fl_end_form();
  fl_set_form_atclose(browser->LaTeXLog, CancelCloseBoxCB, NULL);
}

if (!fl_load_browser(browser->browser_latexlog, fil.c_str()))
  fl_add_browser_line(browser->browser_latexlog, _("No RCS History!"));

if (browser->LaTeXLog->visible) {
  fl_raise_form(browser->LaTeXLog);
} else {
  fl_show_form(browser->LaTeXLog,
        FL_PLACE_MOUSE | FL_FREE_SIZE, FL_FULLBORDER,
        _("RCS History"));
}
}

void LyXVC::showLog()
{
// This I really don't like, but we'll look at this problem
// in 0.13. Then we can make a clean solution.
#if 0
if (gsworking()) {
                WriteAlert(_("Sorry, can't do this while"
        " pictures are being rendered."),
                           _("Please wait a few seconds for"
        " this to finish and try again."),
                           _("(or kill runaway gs processes"
        " by hand and try again.)"));
                return;
        }
        extern pid_t isp_pid; // from spellchecker.C
        if(isp_pid != -1) {
  WriteAlert(_("Can't do this while the"
        " spellchecker is running."),
      _("Stop the spellchecker first."));
  return;
}
#endif
LString tmpf = tmpnam(NULL);
doVCCommand("rlog "
      + OnlyFilename(_owner->getFileName()) + " > " + tmpf);
viewLog(tmpf);
unlink(tmpf.c_str());
}

int LyXVC::doVCCommand(LString const & cmd)
{
lyxerr.debug("doVCCommand: " + cmd, Error::LYXVC);
        Systemcalls one;
PathPush(_owner->filepath);
int ret = one.Startscript(Systemcalls::System, cmd);
PathPop();
return ret;
}

¤ Dauer der Verarbeitung: 0.27 Sekunden (vorverarbeitet) ¤

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