The speed patch: redraw only rows that have changed

[lyx.git] / src / DepTable.C

diff --git a/src/DepTable.C b/src/DepTable.C
index 59ddbd77bfeeacc6f4ffdcc5b37edb9357d7b3d2..2718bcacf934fb4d4565f341fa376f4bcb95ebe4 100644 (file)
--- a/src/DepTable.C
+++ b/src/DepTable.C
@@ -1,42 +1,46 @@
-/* This file is part of
- * ====================================================== 
- * 
- *           LyX, The Document Processor
- *          Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
+/**
+ * \file DepTable.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           This file is Copyright 1996-2001
- *           Lars Gullik Bjønnes
- *           Ben Stanley
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author Ben Stanley
  *
- * ====================================================== 
+ * Full author contact details are available in file CREDITS.
  */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "DepTable.h"
+
 #include "debug.h"
 
 #include "support/lyxlib.h"
 #include "support/filetools.h"
 #include "support/lstrings.h"
+#include "support/lyxtime.h"
 
-#include <sys/types.h>
 #include <sys/stat.h>
-#include <unistd.h>
 
 #include <fstream>
 
-using std::make_pair;
+#ifndef CXX_GLOBAL_CSTD
+using std::time;
+#endif
+
+using lyx::support::ltrim;
+using lyx::support::MakeAbsPath;
+using lyx::support::OnlyFilename;
+using lyx::support::suffixIs;
+using lyx::support::sum;
+
+using std::endl;
+using std::flush;
+using std::getline;
+using std::string;
 using std::ofstream;
 using std::ifstream;
-using std::flush;
-using std::endl;
-
 
 inline
 bool DepTable::dep_info::changed() const
@@ -54,7 +58,7 @@ void DepTable::insert(string const & fi, bool upd)
                di.crc_prev = 0;
                if (upd) {
                        lyxerr[Debug::DEPEND] << " CRC..." << flush;
-                       di.crc_cur = lyx::sum(f);
+                       di.crc_cur = sum(f);
                        lyxerr[Debug::DEPEND] << "done." << endl;
                        struct stat f_info;
                        stat(fi.c_str(), &f_info);
@@ -68,12 +72,12 @@ void DepTable::insert(string const & fi, bool upd)
                lyxerr[Debug::DEPEND] << " Already in DepTable" << endl;
        }
 }
-               
+
 
 void DepTable::update()
 {
        lyxerr[Debug::DEPEND] << "Updating DepTable..." << endl;
-       time_t start_time = time(0);
+       lyx::time_type const start_time = lyx::current_time();
 
        DepList::iterator itr = deplist.begin();
        while (itr != deplist.end()) {
@@ -83,24 +87,24 @@ void DepTable::update()
                if (stat(itr->first.c_str(), &f_info) == 0) {
                        if (di.mtime_cur == f_info.st_mtime) {
                                di.crc_prev = di.crc_cur;
-                               lyxerr[Debug::DEPEND] << itr->first << " same mtime";
+                               lyxerr[Debug::DEPEND] << itr->first << " same mtime" << endl;
                        } else {
                                di.crc_prev = di.crc_cur;
-                               lyxerr[Debug::DEPEND] << itr->first << " CRC... ";
-                               di.crc_cur = lyx::sum(itr->first);
-                               lyxerr[Debug::DEPEND] << "done";
+                               lyxerr[Debug::DEPEND] << itr->first << " CRC... " << flush;
+                               di.crc_cur = sum(itr->first);
+                               lyxerr[Debug::DEPEND] << "done" << endl;
                        }
                } else {
                        // file doesn't exist
                        // remove stale files - if it's re-created, it
                        // will be re-inserted by deplog.
-                       lyxerr[Debug::DEPEND] << itr->first 
+                       lyxerr[Debug::DEPEND] << itr->first
                                << " doesn't exist. removing from DepTable." << endl;
                        DepList::iterator doomed = itr++;
                        deplist.erase(doomed);
                        continue;
                }
-               
+
                if (lyxerr.debugging(Debug::DEPEND)) {
                        if (di.changed())
                                lyxerr << " +";
@@ -108,7 +112,7 @@ void DepTable::update()
                }
                ++itr;
        }
-       time_t time_sec = time(0) - start_time;
+       lyx::time_type const time_sec = lyx::current_time() - start_time;
        lyxerr[Debug::DEPEND] << "Finished updating DepTable ("
                << time_sec << " sec)." << endl;
 }
@@ -152,11 +156,11 @@ bool DepTable::extchanged(string const & ext) const
 }
 
 
-bool DepTable::ext_exist(const string& ext ) const
+bool DepTable::ext_exist(string const & ext) const
 {
        DepList::const_iterator cit = deplist.begin();
        DepList::const_iterator end = deplist.end();
-       for (; cit != end; ++cit ) {
+       for (; cit != end; ++cit) {
                if (suffixIs(cit->first, ext)) {
                        return true;
                }
@@ -220,33 +224,34 @@ void DepTable::write(string const & f) const
                        // CRC value.
                        // The older one is effectively set to 0 upon re-load.
                        lyxerr << "Write dep: "
-                              << cit->first << " "
-                              << cit->second.crc_cur << " "
-                              << cit->second.mtime_cur << endl;
+                              << cit->second.crc_cur << ' '
+                              << cit->second.mtime_cur << ' '
+                              << cit->first << endl;
                }
-               ofs << cit->first << " "
-                   << cit->second.crc_cur << " "
-                   << cit->second.mtime_cur << endl;
+               ofs << cit->second.crc_cur << ' '
+                   << cit->second.mtime_cur << ' '
+                   << cit->first << endl;
        }
 }
 
 
-void DepTable::read(string const & f)
+bool DepTable::read(string const & f)
 {
        ifstream ifs(f.c_str());
        string nome;
        dep_info di;
        // This doesn't change through the loop.
        di.crc_prev = 0;
-       
-       while (ifs >> nome >> di.crc_cur >> di.mtime_cur) {
+
+       while (ifs >> di.crc_cur >> di.mtime_cur && getline(ifs, nome)) {
+               nome = ltrim(nome);
                if (lyxerr.debugging(Debug::DEPEND)) {
                        lyxerr << "Read dep: "
-                              << nome << " "
-                              << di.crc_cur << " "
-                              << di.mtime_cur << endl;
+                              << di.crc_cur << ' '
+                              << di.mtime_cur << ' '
+                              << nome << endl;
                }
                deplist[nome] = di;
        }
+       return deplist.size();
 }
-