/* This file is part of
- * ======================================================
- *
+ * ======================================================
+ *
* LyX, The Document Processor
- * Copyright (C) 1995 Matthias Ettrich
- * Copyright (C) 1995-1998 The LyX Team.
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX Team.
*
- * This file is Copyright (C) 1996-1998
+ * This file is Copyright 1996-2001
* Lars Gullik Bjønnes
+ * Ben Stanley
*
- * ======================================================
+ * ======================================================
*/
#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>
+#include <ctime>
+
+#ifndef CXX_GLOBAL_CSTD
+using std::time;
+#endif
+
+using namespace lyx::support;
+
using std::make_pair;
using std::ofstream;
using std::ifstream;
+using std::flush;
+using std::endl;
+using std::getline;
-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(string const & fi, bool upd)
{
// not quite sure if this is the correct place for MakeAbsPath
- string f = MakeAbsPath(fi);
+ string const f = MakeAbsPath(fi);
if (deplist.find(f) == deplist.end()) {
+ dep_info di;
+ di.crc_prev = 0;
if (upd) {
- one = two;
- two = lyxsum(f.c_str());
+ lyxerr[Debug::DEPEND] << " CRC..." << flush;
+ di.crc_cur = sum(f);
+ lyxerr[Debug::DEPEND] << "done." << endl;
+ struct stat f_info;
+ stat(fi.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 one = (*itr).second.second;
- unsigned long two = lyxsum((*itr).first.c_str());
- (*itr).second = make_pair(one, two);
- if (lyxerr.debugging()) {
- lyxerr << "update: " << (*itr).first << " "
- << one << " " << two << endl;
+ lyxerr[Debug::DEPEND] << "Updating DepTable..." << endl;
+ lyx::time_type const start_time = lyx::current_time();
+
+ DepList::iterator itr = deplist.begin();
+ while (itr != deplist.end()) {
+ dep_info &di = itr->second;
+
+ struct stat f_info;
+ 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";
+ } else {
+ di.crc_prev = di.crc_cur;
+ lyxerr[Debug::DEPEND] << itr->first << " CRC... ";
+ di.crc_cur = sum(itr->first);
+ lyxerr[Debug::DEPEND] << "done";
+ }
+ } 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)) {
+ if (di.changed())
+ lyxerr << " +";
+ lyxerr << endl;
}
+ ++itr;
}
+ lyx::time_type const time_sec = lyx::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
{
// not quite sure if this is the correct place for MakeAbsPath
- string fil = MakeAbsPath(f);
+ string const 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.c_str())) {
- 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, ext)) {
+ if (cit->second.changed())
return true;
}
}
-
return false;
}
-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, ext)) {
+ return true;
+ }
+ }
return false;
}
+bool DepTable::exist(string const & fil) const
+{
+ return deplist.find(fil) != deplist.end();
+}
+
+
void DepTable::remove_files_with_extension(string const & suf)
{
- DepList tmp;
- for (DepList::const_iterator cit = deplist.begin();
- cit != deplist.end(); ++cit) {
- if (!suffixIs((*cit).first, suf.c_str()))
- tmp[(*cit).first] = (*cit).second;
+ DepList::iterator cit = deplist.begin();
+ DepList::iterator end = deplist.end();
+ while (cit != end) {
+ if (suffixIs(cit->first, 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;
+ }
+}
+
+
+void DepTable::remove_file(string const & filename)
+{
+ DepList::iterator cit = deplist.begin();
+ DepList::iterator end = deplist.end();
+ while (cit != end) {
+ if (OnlyFilename(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;
+ }
+ ++cit;
}
- deplist.swap(tmp);
-
}
void DepTable::write(string const & f) const
{
ofstream ofs(f.c_str());
- for (DepList::const_iterator cit = deplist.begin();
- cit != deplist.end();
- ++cit) {
- if (lyxerr.debugging()) {
+ DepList::const_iterator cit = deplist.begin();
+ DepList::const_iterator end = deplist.end();
+ for (; cit != end; ++cit) {
+ if (lyxerr.debugging(Debug::DEPEND)) {
+ // Store the second (most recently calculated)
+ // CRC value.
+ // The older one is effectively set to 0 upon re-load.
lyxerr << "Write dep: "
- << (*cit).first << " "
- << (*cit).second.first << " "
- << (*cit).second.second << endl;
+ << cit->second.crc_cur << ' '
+ << cit->second.mtime_cur << ' '
+ << cit->first << endl;
}
- ofs << (*cit).first << " "
- << (*cit).second.first << " "
- << (*cit).second.second << 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;
- unsigned long one = 0;
- unsigned long two = 0;
- while(ifs >> nome >> one >> two) {
- if (lyxerr.debugging()) {
- lyxerr << "read dep: "
- << nome << " "
- << one << " "
- << two << endl;
+ 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);
+ if (lyxerr.debugging(Debug::DEPEND)) {
+ lyxerr << "Read dep: "
+ << di.crc_cur << ' '
+ << di.mtime_cur << ' '
+ << nome << endl;
}
- deplist[nome] = make_pair(one, two);
+ deplist[nome] = di;
}
+ return deplist.size();
}