Merge branch '1.8.0' of git@github.com:pbeckingham/task into 1.8.0

This commit is contained in:
Federico Hernandez
2009-06-15 00:44:14 +02:00
9 changed files with 327 additions and 799 deletions

View File

@@ -34,7 +34,7 @@
#include "Subst.h"
#include "Cmd.h"
#include "Task.h"
#include "TDB2.h"
#include "TDB.h"
#include "StringTable.h"
class Context
@@ -67,7 +67,7 @@ public:
Sequence sequence;
Subst subst;
Task task;
TDB2 tdb;
TDB tdb;
StringTable stringtable;
std::string program;
std::vector <std::string> args;

View File

@@ -2,10 +2,10 @@ bin_PROGRAMS = task
task_SOURCES = Att.cpp Cmd.cpp Config.cpp Context.cpp Date.cpp Duration.cpp \
Filter.cpp Grid.cpp Keymap.cpp Location.cpp Nibbler.cpp \
Record.cpp Sequence.cpp StringTable.cpp Subst.cpp Task.cpp \
TDB2.cpp Table.cpp Timer.cpp color.cpp command.cpp edit.cpp \
TDB.cpp Table.cpp Timer.cpp color.cpp command.cpp edit.cpp \
import.cpp interactive.cpp valid.cpp recur.cpp report.cpp \
custom.cpp rules.cpp main.cpp text.cpp util.cpp \
Att.h Cmd.h Config.h Context.h Date.h Duration.h Filter.h \
Grid.h Keymap.h Location.h Nibbler.h Record.h Sequence.h \
StringTable.h Subst.h Task.h TDB2.h Table.h Timer.h color.h \
StringTable.h Subst.h Task.h TDB.h Table.h Timer.h color.h \
i18n.h main.h text.h util.h

View File

@@ -24,386 +24,311 @@
// USA
//
////////////////////////////////////////////////////////////////////////////////
#include <iostream>
#include <fstream>
#include <sstream>
#include <sys/file.h>
#include <unistd.h>
#include <string.h>
#include "T.h"
#include "TDB.h"
#include <iostream>
#include <sstream>
#include <string.h>
#include <stdio.h>
#include <sys/file.h>
#include "text.h"
#include "util.h"
#include "TDB.h"
#include "main.h"
////////////////////////////////////////////////////////////////////////////////
// The ctor/dtor do nothing.
// The lock/unlock methods hold the file open.
// There should be only one commit.
//
// +- TDB::TDB
// |
// | +- TDB::lock
// | | open
// | | [lock]
// | |
// | | +- TDB::load (Filter)
// | | | read all
// | | | apply filter
// | | | return subset
// | | |
// | | +- TDB::add (T)
// | | |
// | | +- TDB::update (T, T')
// | | |
// | | +- TDB::commit
// | | write all
// | |
// | +- TDB::unlock
// | [unlock]
// | close
// |
// +- TDB::~TDB
// [TDB::unlock]
//
TDB::TDB ()
: mPendingFile ("")
, mCompletedFile ("")
: mLock (true)
, mAllOpenAndLocked (false)
, mId (1)
, mNoLock (false)
{
}
////////////////////////////////////////////////////////////////////////////////
TDB::~TDB ()
{
if (mAllOpenAndLocked)
unlock ();
}
////////////////////////////////////////////////////////////////////////////////
void TDB::dataDirectory (const std::string& directory)
void TDB::clear ()
{
if (! access (expandPath (directory).c_str (), F_OK))
{
mPendingFile = directory + "/pending.data";
mCompletedFile = directory + "/completed.data";
}
else
{
std::string error = "Directory '";
error += directory;
error += "' does not exist, or is not readable and writable.";
throw error;
}
mLocations.clear ();
mLock = true;
if (mAllOpenAndLocked)
unlock ();
mAllOpenAndLocked = false;
}
////////////////////////////////////////////////////////////////////////////////
// Combine allPendingT with allCompletedT.
// Note: this method is O(N1) + O(N2), where N2 is not bounded.
bool TDB::allT (std::vector <T>& all)
void TDB::location (const std::string& path)
{
all.clear ();
if (access (expandPath (path).c_str (), F_OK))
throw std::string ("Data location '") +
path +
"' does not exist, or is not readable and writable.";
// Retrieve all the pending records.
std::vector <T> allp;
if (allPendingT (allp))
mLocations.push_back (Location (path));
}
////////////////////////////////////////////////////////////////////////////////
void TDB::lock (bool lockFile /* = true */)
{
mLock = lockFile;
mPending.clear ();
// mCompleted.clear ();
mNew.clear ();
mPending.clear ();
foreach (location, mLocations)
{
std::vector <T>::iterator i;
for (i = allp.begin (); i != allp.end (); ++i)
all.push_back (*i);
location->pending = openAndLock (location->path + "/pending.data");
location->completed = openAndLock (location->path + "/completed.data");
}
// Retrieve all the completed records.
std::vector <T> allc;
if (allCompletedT (allc))
mAllOpenAndLocked = true;
}
////////////////////////////////////////////////////////////////////////////////
void TDB::unlock ()
{
if (mAllOpenAndLocked)
{
mPending.clear ();
// mCompleted.clear ();
mNew.clear ();
mModified.clear ();
foreach (location, mLocations)
{
for (i = allc.begin (); i != allc.end (); ++i)
all.push_back (*i);
return true;
}
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
// Only accesses to the pending file result in Tasks that have assigned ids.
bool TDB::pendingT (std::vector <T>& all)
{
all.clear ();
std::vector <std::string> lines;
if (readLockedFile (mPendingFile, lines))
{
mId = 1;
int line = 1;
std::vector <std::string>::iterator it;
for (it = lines.begin (); it != lines.end (); ++it)
{
try
{
T t (*it);
t.setId (mId++);
if (t.getStatus () == T::pending)
all.push_back (t);
}
catch (std::string& e)
{
std::stringstream more;
more << " Line " << line << ", in " << "pending.data";
throw e + more.str ();
}
++line;
fclose (location->pending);
location->pending = NULL;
fclose (location->completed);
location->completed = NULL;
}
return true;
mAllOpenAndLocked = false;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
// Only accesses to the pending file result in Tasks that have assigned ids.
bool TDB::allPendingT (std::vector <T>& all)
// Returns number of filtered tasks.
// Note: tasks.clear () is deliberately not called, to allow the combination of
// multiple files.
int TDB::load (std::vector <Task>& tasks, Filter& filter)
{
all.clear ();
loadPending (tasks, filter);
loadCompleted (tasks, filter);
std::vector <std::string> lines;
if (readLockedFile (mPendingFile, lines))
return tasks.size ();
}
////////////////////////////////////////////////////////////////////////////////
// Returns number of filtered tasks.
// Note: tasks.clear () is deliberately not called, to allow the combination of
// multiple files.
int TDB::loadPending (std::vector <Task>& tasks, Filter& filter)
{
std::string file;
int line_number;
try
{
mId = 1;
int line = 1;
std::vector <std::string>::iterator it;
for (it = lines.begin (); it != lines.end (); ++it)
char line[T_LINE_MAX];
foreach (location, mLocations)
{
try
{
T t (*it);
t.setId (mId++);
all.push_back (t);
}
line_number = 1;
file = location->path + "/pending.data";
catch (std::string& e)
{
std::stringstream more;
more << " Line " << line << ", in " << "pending.data";
throw e + more.str ();
}
++line;
}
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::completedT (std::vector <T>& all) const
{
all.clear ();
std::vector <std::string> lines;
if (readLockedFile (mCompletedFile, lines))
{
int line = 1;
std::vector <std::string>::iterator it;
for (it = lines.begin (); it != lines.end (); ++it)
{
try
{
T t (*it);
if (t.getStatus () != T::deleted)
all.push_back (t);
}
catch (std::string& e)
{
std::stringstream more;
more << " Line " << line << ", in " << "pending.data";
throw e + more.str ();
}
++line;
}
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::allCompletedT (std::vector <T>& all) const
{
all.clear ();
std::vector <std::string> lines;
if (readLockedFile (mCompletedFile, lines))
{
int line = 1;
std::vector <std::string>::iterator it;
for (it = lines.begin (); it != lines.end (); ++it)
{
try
{
T t (*it);
all.push_back (t);
}
catch (std::string& e)
{
std::stringstream more;
more << " Line " << line << ", in " << "pending.data";
throw e + more.str ();
}
++line;
}
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::addT (const T& t)
{
T task (t);
std::vector <std::string> tags;
task.getTags (tags);
// +tag or -tag are both considered valid tags to add to a new pending task.
// Generating an error here would not be friendly.
for (unsigned int i = 0; i < tags.size (); ++i)
{
if (tags[i][0] == '-' || tags[i][0] == '+')
{
task.removeTag (tags[i]);
task.addTag (tags[i].substr (1, std::string::npos));
}
}
if (task.getStatus () == T::pending ||
task.getStatus () == T::recurring)
{
return writePending (task);
}
return writeCompleted (task);
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::modifyT (const T& t)
{
T modified (t);
std::vector <T> all;
allPendingT (all);
std::vector <T> pending;
std::vector <T>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
{
if (it->getId () == t.getId ())
{
modified.setUUID (it->getUUID ());
pending.push_back (modified);
}
else
pending.push_back (*it);
}
return overwritePending (pending);
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::lock (FILE* file) const
{
if (mNoLock)
return true;
return flock (fileno (file), LOCK_EX) ? false : true;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::overwritePending (std::vector <T>& all)
{
// Write a single task to the pending file
FILE* out;
if ((out = fopen (mPendingFile.c_str (), "w")))
{
int retry = 0;
if (!mNoLock)
while (flock (fileno (out), LOCK_EX) && ++retry <= 3)
delay (0.1);
std::vector <T>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
fputs (it->compose ().c_str (), out);
fclose (out);
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::writePending (const T& t)
{
// Write a single task to the pending file
FILE* out;
if ((out = fopen (mPendingFile.c_str (), "a")))
{
int retry = 0;
if (!mNoLock)
while (flock (fileno (out), LOCK_EX) && ++retry <= 3)
delay (0.1);
fputs (t.compose ().c_str (), out);
fclose (out);
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::writeCompleted (const T& t)
{
// Write a single task to the pending file
FILE* out;
if ((out = fopen (mCompletedFile.c_str (), "a")))
{
int retry = 0;
if (!mNoLock)
while (flock (fileno (out), LOCK_EX) && ++retry <= 3)
delay (0.1);
fputs (t.compose ().c_str (), out);
fclose (out);
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool TDB::readLockedFile (
const std::string& file,
std::vector <std::string>& contents) const
{
contents.clear ();
if (! access (file.c_str (), F_OK | R_OK))
{
FILE* in;
if ((in = fopen (file.c_str (), "r")))
{
int retry = 0;
if (!mNoLock)
while (flock (fileno (in), LOCK_EX) && ++retry <= 3)
delay (0.1);
char line[T_LINE_MAX];
while (fgets (line, T_LINE_MAX, in))
fseek (location->pending, 0, SEEK_SET);
while (fgets (line, T_LINE_MAX, location->pending))
{
int length = ::strlen (line);
if (length > 1)
{
// TODO Add hidden attribute indicating source?
line[length - 1] = '\0'; // Kill \n
contents.push_back (line);
}
}
Task task (line);
task.id = mId++;
fclose (in);
return true;
mPending.push_back (task);
if (filter.pass (task))
tasks.push_back (task);
}
++line_number;
}
}
}
return false;
catch (std::string& e)
{
std::stringstream s;
s << " int " << file << " at line " << line_number;
throw e + s.str ();
}
return tasks.size ();
}
////////////////////////////////////////////////////////////////////////////////
// Returns number of filtered tasks.
// Note: tasks.clear () is deliberately not called, to allow the combination of
// multiple files.
int TDB::loadCompleted (std::vector <Task>& tasks, Filter& filter)
{
std::string file;
int line_number;
try
{
char line[T_LINE_MAX];
foreach (location, mLocations)
{
// TODO If the filter contains Status:x where x is not deleted or
// completed, then this can be skipped.
line_number = 1;
file = location->path + "/completed.data";
fseek (location->completed, 0, SEEK_SET);
while (fgets (line, T_LINE_MAX, location->completed))
{
int length = ::strlen (line);
if (length > 1)
{
// TODO Add hidden attribute indicating source?
line[length - 1] = '\0'; // Kill \n
Task task (line);
task.id = mId++;
// mCompleted.push_back (task);
if (filter.pass (task))
tasks.push_back (task);
}
++line_number;
}
}
}
catch (std::string& e)
{
std::stringstream s;
s << " int " << file << " at line " << line_number;
throw e + s.str ();
}
return tasks.size ();
}
////////////////////////////////////////////////////////////////////////////////
// TODO Write to transaction log.
// Note: mLocations[0] is where all tasks are written.
void TDB::add (Task& task)
{
mNew.push_back (task);
}
////////////////////////////////////////////////////////////////////////////////
// TODO Write to transaction log.
void TDB::update (Task& before, Task& after)
{
mModified.push_back (after);
}
////////////////////////////////////////////////////////////////////////////////
// TODO Writes all, including comments
// Interestingly, only the pending file gets written to. The completed file is
// only modified by TDB::gc.
int TDB::commit ()
{
int quantity = mNew.size () + mModified.size ();
// This is an optimization. If there are only new tasks, and none were
// modified, simply seek to the end of pending and write.
if (mNew.size () && ! mModified.size ())
{
fseek (mLocations[0].pending, 0, SEEK_END);
foreach (task, mNew)
{
mPending.push_back (*task);
fputs (task->composeF4 ().c_str (), mLocations[0].pending);
}
mNew.clear ();
return quantity;
}
// The alternative is to potentially rewrite both files.
else if (mNew.size () || mModified.size ())
{
foreach (task, mPending)
foreach (mtask, mModified)
if (task->id == mtask->id)
*task = *mtask;
mModified.clear ();
foreach (task, mNew)
mPending.push_back (*task);
mNew.clear ();
// Write out all pending.
fseek (mLocations[0].pending, 0, SEEK_SET);
// TODO Do I need to truncate the file? Does file I/O even work that way
// any more? I forget.
foreach (task, mPending)
fputs (task->composeF4 ().c_str (), mLocations[0].pending);
}
return quantity;
}
////////////////////////////////////////////////////////////////////////////////
// TODO -> FF4
void TDB::upgrade ()
{
// TODO Read all pending
// TODO Write out all pending
// TODO Read all completed
// TODO Write out all completed
throw std::string ("unimplemented TDB::upgrade");
}
////////////////////////////////////////////////////////////////////////////////
@@ -412,7 +337,7 @@ bool TDB::readLockedFile (
int TDB::gc ()
{
int count = 0;
/*
// Read everything from the pending file.
std::vector <T> all;
allPendingT (all);
@@ -442,21 +367,33 @@ int TDB::gc ()
// task was transferred.
if (count)
overwritePending (pending);
*/
return count;
}
////////////////////////////////////////////////////////////////////////////////
int TDB::nextId ()
FILE* TDB::openAndLock (const std::string& file)
{
return mId++;
// Check for access.
if (access (file.c_str (), F_OK | R_OK | W_OK))
throw std::string ("Task does not have the correct permissions for '") +
file + "'.";
// Open the file.
FILE* in = fopen (file.c_str (), "r+");
if (!in)
throw std::string ("Could not open '") + file + "'.";
// Lock if desired. Try three times before failing.
int retry = 0;
if (mLock)
while (flock (fileno (in), LOCK_EX) && ++retry <= 3)
delay (0.1);
if (retry > 3)
throw std::string ("Could not lock '") + file + "'.";
return in;
}
////////////////////////////////////////////////////////////////////////////////
void TDB::noLock ()
{
mNoLock = true;
}
////////////////////////////////////////////////////////////////////////////////

View File

@@ -27,41 +27,54 @@
#ifndef INCLUDED_TDB
#define INCLUDED_TDB
#include <map>
#include <vector>
#include <string>
#include "T.h"
#include <Location.h>
#include <Filter.h>
#include <Task.h>
// Length of longest line.
#define T_LINE_MAX 32768
class TDB
{
public:
TDB ();
~TDB ();
TDB (); // Default constructor
~TDB (); // Destructor
void dataDirectory (const std::string&);
bool allT (std::vector <T>&);
bool pendingT (std::vector <T>&);
bool allPendingT (std::vector <T>&);
bool completedT (std::vector <T>&) const;
bool allCompletedT (std::vector <T>&) const;
bool addT (const T&);
bool modifyT (const T&);
int gc ();
int nextId ();
void clear ();
void location (const std::string&);
void noLock ();
void lock (bool lockFile = true);
void unlock ();
int load (std::vector <Task>&, Filter&);
int loadPending (std::vector <Task>&, Filter&);
int loadCompleted (std::vector <Task>&, Filter&);
void add (Task&); // Single task add to pending
void update (Task&, Task&); // Single task update to pending
int commit (); // Write out all tasks
void upgrade (); // Convert both files to FF4
int gc (); // Clean up pending
private:
bool lock (FILE*) const;
bool overwritePending (std::vector <T>&);
bool writePending (const T&);
bool writeCompleted (const T&);
bool readLockedFile (const std::string&, std::vector <std::string>&) const;
FILE* openAndLock (const std::string&);
private:
std::string mPendingFile;
std::string mCompletedFile;
std::vector <Location> mLocations;
bool mLock;
bool mAllOpenAndLocked;
int mId;
bool mNoLock;
std::vector <Task> mPending; // Contents of pending.data
// std::vector <Task> mCompleted; // Contents of completed.data
std::vector <Task> mNew; // Uncommitted new tasks
std::vector <Task> mModified; // Uncommitted modified tasks
// TODO Need cache of raw file contents to preserve comments.
};
#endif

View File

@@ -1,346 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// task - a command line task list manager.
//
// Copyright 2006 - 2009, Paul Beckingham.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#include <iostream>
#include <sstream>
#include <string.h>
#include <stdio.h>
#include <sys/file.h>
#include "text.h"
#include "util.h"
#include "TDB2.h"
#include "main.h"
////////////////////////////////////////////////////////////////////////////////
// The ctor/dtor do nothing.
// The lock/unlock methods hold the file open.
// There should be only one commit.
//
// +- TDB::TDB
// |
// | +- TDB::lock
// | | open
// | | [lock]
// | |
// | | +- TDB::load (Filter)
// | | | read all
// | | | apply filter
// | | | return subset
// | | |
// | | +- TDB::add (T)
// | | |
// | | +- TDB::update (T, T')
// | | |
// | | +- TDB::commit
// | | write all
// | |
// | +- TDB::unlock
// | [unlock]
// | close
// |
// +- TDB::~TDB
// [TDB::unlock]
//
TDB2::TDB2 ()
: mLock (true)
, mAllOpenAndLocked (false)
, mId (1)
{
}
////////////////////////////////////////////////////////////////////////////////
TDB2::~TDB2 ()
{
if (mAllOpenAndLocked)
unlock ();
}
////////////////////////////////////////////////////////////////////////////////
void TDB2::clear ()
{
mLocations.clear ();
mLock = true;
if (mAllOpenAndLocked)
unlock ();
mAllOpenAndLocked = false;
}
////////////////////////////////////////////////////////////////////////////////
void TDB2::location (const std::string& path)
{
if (access (expandPath (path).c_str (), F_OK))
throw std::string ("Data location '") +
path +
"' does not exist, or is not readable and writable.";
mLocations.push_back (Location (path));
}
////////////////////////////////////////////////////////////////////////////////
void TDB2::lock (bool lockFile /* = true */)
{
mLock = lockFile;
foreach (location, mLocations)
{
location->pending = openAndLock (location->path + "/pending.data");
location->completed = openAndLock (location->path + "/completed.data");
}
mAllOpenAndLocked = true;
}
////////////////////////////////////////////////////////////////////////////////
void TDB2::unlock ()
{
if (mAllOpenAndLocked)
{
foreach (location, mLocations)
{
fclose (location->pending);
location->pending = NULL;
fclose (location->completed);
location->completed = NULL;
}
mAllOpenAndLocked = false;
}
}
////////////////////////////////////////////////////////////////////////////////
// Returns number of filtered tasks.
// Note: tasks.clear () is deliberately not called, to allow the combination of
// multiple files.
int TDB2::load (std::vector <Task>& tasks, Filter& filter)
{
loadPending (tasks, filter);
loadCompleted (tasks, filter);
return tasks.size ();
}
////////////////////////////////////////////////////////////////////////////////
// Returns number of filtered tasks.
// Note: tasks.clear () is deliberately not called, to allow the combination of
// multiple files.
int TDB2::loadPending (std::vector <Task>& tasks, Filter& filter)
{
std::string file;
int line_number;
try
{
char line[T_LINE_MAX];
foreach (location, mLocations)
{
line_number = 1;
file = location->path + "/pending.data";
fseek (location->pending, 0, SEEK_SET);
while (fgets (line, T_LINE_MAX, location->pending))
{
int length = ::strlen (line);
if (length > 1)
{
// TODO Add hidden attribute indicating source?
line[length - 1] = '\0'; // Kill \n
Task task (line);
task.id = mId++;
if (filter.pass (task))
tasks.push_back (task);
}
++line_number;
}
}
}
catch (std::string& e)
{
std::stringstream s;
s << " int " << file << " at line " << line_number;
throw e + s.str ();
}
return tasks.size ();
}
////////////////////////////////////////////////////////////////////////////////
// Returns number of filtered tasks.
// Note: tasks.clear () is deliberately not called, to allow the combination of
// multiple files.
int TDB2::loadCompleted (std::vector <Task>& tasks, Filter& filter)
{
std::string file;
int line_number;
try
{
char line[T_LINE_MAX];
foreach (location, mLocations)
{
// TODO If the filter contains Status:x where x is not deleted or
// completed, then this can be skipped.
line_number = 1;
file = location->path + "/completed.data";
fseek (location->completed, 0, SEEK_SET);
while (fgets (line, T_LINE_MAX, location->completed))
{
int length = ::strlen (line);
if (length > 1)
{
// TODO Add hidden attribute indicating source?
line[length - 1] = '\0'; // Kill \n
Task task (line);
task.id = mId++;
if (filter.pass (task))
tasks.push_back (task);
}
++line_number;
}
}
}
catch (std::string& e)
{
std::stringstream s;
s << " int " << file << " at line " << line_number;
throw e + s.str ();
}
return tasks.size ();
}
////////////////////////////////////////////////////////////////////////////////
// TODO Write to transaction log.
// Note: mLocations[0] is where all tasks are written.
void TDB2::add (Task& after)
{
// Seek to end of pending.
fseek (mLocations[0].pending, 0, SEEK_END);
// Write after.composeF4 ().
fputs (after.composeF4 ().c_str (), mLocations[0].pending);
}
////////////////////////////////////////////////////////////////////////////////
// TODO Write to transaction log.
void TDB2::update (Task& before, Task& after)
{
throw std::string ("unimplemented TDB2::update");
}
////////////////////////////////////////////////////////////////////////////////
// TODO Writes all, including comments
int TDB2::commit ()
{
// TODO Two passes: first the pending file.
// then the completed file.
throw std::string ("unimplemented TDB2::commit");
}
////////////////////////////////////////////////////////////////////////////////
// TODO -> FF4
void TDB2::upgrade ()
{
throw std::string ("unimplemented TDB2::upgrade");
}
////////////////////////////////////////////////////////////////////////////////
// Scans the pending tasks for any that are completed or deleted, and if so,
// moves them to the completed.data file. Returns a count of tasks moved.
int TDB2::gc ()
{
int count = 0;
/*
// Read everything from the pending file.
std::vector <T> all;
allPendingT (all);
// A list of the truly pending tasks.
std::vector <T> pending;
std::vector<T>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
{
// Some tasks stay in the pending file.
if (it->getStatus () == T::pending ||
it->getStatus () == T::recurring)
{
pending.push_back (*it);
}
// Others are transferred to the completed file.
else
{
writeCompleted (*it);
++count;
}
}
// Dump all clean tasks into pending. But don't bother unless at least one
// task was transferred.
if (count)
overwritePending (pending);
*/
return count;
}
////////////////////////////////////////////////////////////////////////////////
FILE* TDB2::openAndLock (const std::string& file)
{
// Check for access.
if (access (file.c_str (), F_OK | R_OK | W_OK))
throw std::string ("Task does not have the correct permissions for '") +
file + "'.";
// Open the file.
FILE* in = fopen (file.c_str (), "r+");
if (!in)
throw std::string ("Could not open '") + file + "'.";
// Lock if desired. Try three times before failing.
int retry = 0;
if (mLock)
while (flock (fileno (in), LOCK_EX) && ++retry <= 3)
delay (0.1);
if (retry > 3)
throw std::string ("Could not lock '") + file + "'.";
return in;
}
////////////////////////////////////////////////////////////////////////////////

View File

@@ -1,75 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// task - a command line task list manager.
//
// Copyright 2006 - 2009, Paul Beckingham.
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the
//
// Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA
// 02110-1301
// USA
//
////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDED_TDB2
#define INCLUDED_TDB2
#include <map>
#include <vector>
#include <string>
#include <Location.h>
#include <Filter.h>
#include <Task.h>
// Length of longest line.
#define T_LINE_MAX 32768
class TDB2
{
public:
TDB2 (); // Default constructor
~TDB2 (); // Destructor
void clear ();
void location (const std::string&);
void lock (bool lockFile = true);
void unlock ();
int load (std::vector <Task>&, Filter&);
int loadPending (std::vector <Task>&, Filter&);
int loadCompleted (std::vector <Task>&, Filter&);
void add (Task&); // Single task add to pending
void update (Task&, Task&); // Single task update to pending
int commit (); // Write out all tasks
void upgrade (); // Convert both files to FF4
int gc (); // Clean up pending
private:
FILE* openAndLock (const std::string&);
private:
std::vector <Location> mLocations;
bool mLock;
bool mAllOpenAndLocked;
int mId;
// TODO Need cache of raw file contents to preserve comments.
};
#endif
////////////////////////////////////////////////////////////////////////////////

View File

@@ -1,5 +1,4 @@
t.t
t2.t
t.benchmark.t
tdb.t
date.t

View File

@@ -1,9 +1,9 @@
PROJECT = t2.t tdb.t date.t duration.t t.benchmark.t text.t autocomplete.t \
PROJECT = t.t tdb.t date.t duration.t t.benchmark.t text.t autocomplete.t \
config.t seq.t att.t stringtable.t record.t nibbler.t subst.t filt.t \
cmd.t
CFLAGS = -I. -I.. -Wall -pedantic -ggdb3 -fno-rtti
LFLAGS = -L/usr/local/lib -lncurses
OBJECTS = ../TDB2.o ../Task.o ../valid.o ../text.o ../Date.o ../Table.o \
OBJECTS = ../TDB.o ../Task.o ../valid.o ../text.o ../Date.o ../Table.o \
../Duration.o ../util.o ../Config.o ../Sequence.o ../Att.o ../Cmd.o \
../Record.o ../StringTable.o ../Subst.o ../Nibbler.o ../Location.o \
../Filter.o ../Context.o ../Keymap.o ../command.o ../interactive.o \
@@ -23,8 +23,8 @@ clean:
.cpp.o:
g++ -c $(CFLAGS) $<
t2.t: t2.t.o $(OBJECTS) test.o
g++ t2.t.o $(OBJECTS) test.o $(LFLAGS) -o t2.t
t.t: t.t.o $(OBJECTS) test.o
g++ t.t.o $(OBJECTS) test.o $(LFLAGS) -o t.t
tdb.t: tdb.t.o $(OBJECTS) test.o
g++ tdb.t.o $(OBJECTS) test.o $(LFLAGS) -o tdb.t