-/* 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
+ * \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/stat.h>
+
#include <fstream>
-#include "debug.h"
-using std::make_pair;
+
+namespace lyx {
+
+#ifndef CXX_GLOBAL_CSTD
+using std::time;
+#endif
+
+using support::FileName;
+using support::ltrim;
+using support::onlyFilename;
+using support::suffixIs;
+using support::sum;
+
+using std::endl;
+using std::flush;
+using std::getline;
+using std::string;
using std::ofstream;
using std::ifstream;
-using std::endl;
-void DepTable::insert(string const & fi,
- bool upd,
- unsigned long one,
- unsigned long two)
+inline
+bool DepTable::dep_info::changed() const
+{
+ return crc_prev != crc_cur && crc_cur != 0;
+}
+
+
+void DepTable::insert(FileName const & f, bool upd)
{
- // not quite sure if this is the correct place for MakeAbsPath
- string f = MakeAbsPath(fi);
if (deplist.find(f) == deplist.end()) {
+ dep_info di;
+ di.crc_prev = 0;
if (upd) {
- one = two;
- two = lyx::sum(f);
+ LYXERR(Debug::DEPEND) << " CRC..." << flush;
+ di.crc_cur = sum(f);
+ LYXERR(Debug::DEPEND) << "done." << endl;
+ struct stat f_info;
+ stat(f.toFilesystemEncoding().c_str(), &f_info);
+ di.mtime_cur = f_info.st_mtime;
+ } else {
+ di.crc_cur = 0;
+ di.mtime_cur = 0;
}
- deplist[f] = make_pair(one, two);
+ deplist[f] = di;
+ } else {
+ LYXERR(Debug::DEPEND) << " Already in DepTable" << endl;
}
}
-
+
void DepTable::update()
{
- for (DepList::iterator itr = deplist.begin();
- itr != deplist.end();
- ++itr) {
- unsigned long const one = itr->second.second;
- unsigned long const two = lyx::sum(itr->first);
- itr->second = make_pair(one, two);
+ LYXERR(Debug::DEPEND) << "Updating DepTable..." << endl;
+ time_type const start_time = current_time();
+
+ DepList::iterator itr = deplist.begin();
+ while (itr != deplist.end()) {
+ dep_info &di = itr->second;
+
+ struct stat f_info;
+ if (stat(itr->first.toFilesystemEncoding().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" << endl;
+ } else {
+ di.crc_prev = di.crc_cur;
+ 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
+ << " doesn't exist. removing from DepTable." << endl;
+ DepList::iterator doomed = itr++;
+ deplist.erase(doomed);
+ continue;
+ }
+
if (lyxerr.debugging(Debug::DEPEND)) {
- lyxerr << "Update dep: " << itr->first << " "
- << one << " " << two;
- if (one != two)
+ if (di.changed())
lyxerr << " +";
lyxerr << endl;
}
+ ++itr;
}
+ time_type const time_sec = current_time() - start_time;
+ LYXERR(Debug::DEPEND) << "Finished updating DepTable ("
+ << time_sec << " sec)." << endl;
}
bool DepTable::sumchange() const
{
- for (DepList::const_iterator cit = deplist.begin();
- cit != deplist.end();
- ++cit) {
- if ((*cit).second.first != cit->second.second) return true;
+ DepList::const_iterator cit = deplist.begin();
+ DepList::const_iterator end = deplist.end();
+ for (; cit != end; ++cit) {
+ if (cit->second.changed()) return true;
}
return false;
}
-bool DepTable::haschanged(string const & f) const
+bool DepTable::haschanged(FileName const & fil) const
{
- // not quite sure if this is the correct place for MakeAbsPath
- string fil = MakeAbsPath(f);
DepList::const_iterator cit = deplist.find(fil);
if (cit != deplist.end()) {
- if (cit->second.first != cit->second.second
- && cit->second.second != 0)
+ if (cit->second.changed())
return true;
}
return false;
bool DepTable::extchanged(string const & ext) const
{
- for (DepList::const_iterator cit = deplist.begin();
- cit != deplist.end();
- ++cit) {
- if (suffixIs(cit->first, ext)) {
- if (cit->second.first != cit->second.second)
+ DepList::const_iterator cit = deplist.begin();
+ DepList::const_iterator end = deplist.end();
+ for (; cit != end; ++cit) {
+ if (suffixIs(cit->first.absFilename(), ext)) {
+ if (cit->second.changed())
return true;
}
}
}
-bool DepTable::exist(string const & fil) const
+bool DepTable::ext_exist(string const & ext) const
{
- DepList::const_iterator cit = deplist.find(fil);
- if (cit != deplist.end()) return true;
+ DepList::const_iterator cit = deplist.begin();
+ DepList::const_iterator end = deplist.end();
+ for (; cit != end; ++cit) {
+ if (suffixIs(cit->first.absFilename(), ext)) {
+ return true;
+ }
+ }
return false;
}
+bool DepTable::exist(FileName const & fil) const
+{
+ return deplist.find(fil) != deplist.end();
+}
+
+
void DepTable::remove_files_with_extension(string const & suf)
{
- DepList tmp;
- // we want const_iterator (Lgb)
- for (DepList::iterator cit = deplist.begin();
- cit != deplist.end(); ++cit) {
- if (!suffixIs(cit->first, suf))
- tmp[cit->first] = cit->second;
+ DepList::iterator cit = deplist.begin();
+ DepList::iterator end = deplist.end();
+ while (cit != end) {
+ if (suffixIs(cit->first.absFilename(), suf)) {
+ // Can't erase the current iterator, but we
+ // can increment and then erase.
+ // Deplist is a map so only the erased
+ // iterator is invalidated.
+ DepList::iterator doomed = cit++;
+ deplist.erase(doomed);
+ continue;
+ }
+ ++cit;
}
- deplist.swap(tmp);
}
-void DepTable::write(string const & f) const
+void DepTable::remove_file(FileName const & filename)
{
- ofstream ofs(f.c_str());
- for (DepList::const_iterator cit = deplist.begin();
- cit != deplist.end(); ++cit) {
- if (lyxerr.debugging(Debug::DEPEND)) {
- lyxerr << "Write dep: "
- << cit->first << " "
- << cit->second.first << " "
- << cit->second.second << endl;
+ DepList::iterator cit = deplist.begin();
+ DepList::iterator end = deplist.end();
+ while (cit != end) {
+ if (cit->first == filename) {
+ // Can't erase the current iterator, but we
+ // can increment and then erase.
+ // deplist is a map so only the erased
+ // iterator is invalidated.
+ DepList::iterator doomed = cit++;
+ deplist.erase(doomed);
+ continue;
}
- ofs << cit->first << " "
- << cit->second.first << " "
- << cit->second.second << endl;
+ ++cit;
}
}
-void DepTable::read(string const & f)
+void DepTable::write(FileName const & f) const
{
- ifstream ifs(f.c_str());
+ ofstream ofs(f.toFilesystemEncoding().c_str());
+ DepList::const_iterator cit = deplist.begin();
+ DepList::const_iterator end = deplist.end();
+ for (; cit != end; ++cit) {
+ // Store the second (most recently calculated)
+ // CRC value.
+ // The older one is effectively set to 0 upon re-load.
+ LYXERR(Debug::DEPEND) << "Write dep: "
+ << cit->second.crc_cur << ' '
+ << cit->second.mtime_cur << ' '
+ << cit->first << endl;
+
+ ofs << cit->second.crc_cur << ' '
+ << cit->second.mtime_cur << ' '
+ << cit->first << endl;
+ }
+}
+
+
+bool DepTable::read(FileName const & f)
+{
+ ifstream ifs(f.toFilesystemEncoding().c_str());
string nome;
- unsigned long one = 0;
- unsigned long two = 0;
- while(ifs >> nome >> one >> two) {
- if (lyxerr.debugging(Debug::DEPEND)) {
- lyxerr << "Read dep: "
- << nome << " "
- << one << " "
- << two << endl;
- }
- deplist[nome] = make_pair(one, two);
+ dep_info di;
+ // This doesn't change through the loop.
+ di.crc_prev = 0;
+
+ while (ifs >> di.crc_cur >> di.mtime_cur && getline(ifs, nome)) {
+ nome = ltrim(nome);
+
+ LYXERR(Debug::DEPEND) << "Read dep: "
+ << di.crc_cur << ' ' << di.mtime_cur << ' ' << nome << endl;
+
+ deplist[FileName(nome)] = di;
}
+ return deplist.size();
}
+
+
+} // namespace lyx