taskwarrior/src/command.cpp
Federico Hernandez d552b208dd Calendar coloring
- Added 3 new color configuration variables to colorize today, days with due tasks
  and days with overdue tasks in the calendar:
  'calendar.color.today', 'color.calendar.due' and 'calendar.calendar.overdue'
2010-01-08 12:23:26 +01:00

1668 lines
45 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// task - a command line task list manager.
//
// Copyright 2006 - 2010, 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 <iomanip>
#include <sstream>
#include <fstream>
#include <algorithm>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <pwd.h>
#include <time.h>
#include "Permission.h"
#include "text.h"
#include "util.h"
#include "main.h"
#include "../auto.h"
#ifdef HAVE_LIBNCURSES
#include <ncurses.h>
#endif
extern Context context;
////////////////////////////////////////////////////////////////////////////////
int handleAdd (std::string &outs)
{
std::stringstream out;
context.task.set ("uuid", uuid ());
context.task.setEntry ();
// Recurring tasks get a special status.
if (context.task.has ("due") &&
context.task.has ("recur"))
{
context.task.setStatus (Task::recurring);
context.task.set ("mask", "");
}
else if (context.task.has ("wait"))
context.task.setStatus (Task::waiting);
else
context.task.setStatus (Task::pending);
// Override with default.project, if not specified.
if (context.task.get ("project") == "")
context.task.set ("project", context.config.get ("default.project", ""));
// Override with default.priority, if not specified.
if (context.task.get ("priority") == "")
{
std::string defaultPriority = context.config.get ("default.priority", "");
if (Att::validNameValue ("priority", "", defaultPriority))
context.task.set ("priority", defaultPriority);
}
// Include tags.
foreach (tag, context.tagAdditions)
context.task.addTag (*tag);
// Perform some logical consistency checks.
if (context.task.has ("recur") &&
!context.task.has ("due"))
throw std::string ("You cannot specify a recurring task without a due date.");
if (context.task.has ("until") &&
!context.task.has ("recur"))
throw std::string ("You cannot specify an until date for a non-recurring task.");
// Only valid tasks can be added.
context.task.validate ();
context.tdb.lock (context.config.get ("locking", true));
context.tdb.add (context.task);
#ifdef FEATURE_NEW_ID
// All this, just for an id number.
std::vector <Task> all;
Filter none;
context.tdb.loadPending (all, none);
out << "Created task " << context.tdb.nextId () << std::endl;
#endif
context.tdb.commit ();
context.tdb.unlock ();
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleProjects (std::string &outs)
{
int rc = 0;
std::stringstream out;
context.filter.push_back (Att ("status", "pending"));
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
int quantity = context.tdb.loadPending (tasks, context.filter);
context.tdb.commit ();
context.tdb.unlock ();
// Scan all the tasks for their project name, building a map using project
// names as keys.
std::map <std::string, int> unique;
std::map <std::string, int> high;
std::map <std::string, int> medium;
std::map <std::string, int> low;
std::map <std::string, int> none;
std::string project;
std::string priority;
foreach (t, tasks)
{
project = t->get ("project");
priority = t->get ("priority");
unique[project] += 1;
if (priority == "H") high[project] += 1;
else if (priority == "M") medium[project] += 1;
else if (priority == "L") low[project] += 1;
else none[project] += 1;
}
if (unique.size ())
{
// Render a list of project names from the map.
Table table;
table.addColumn ("Project");
table.addColumn ("Tasks");
table.addColumn ("Pri:None");
table.addColumn ("Pri:L");
table.addColumn ("Pri:M");
table.addColumn ("Pri:H");
if (context.config.get ("color", true) ||
context.config.get (std::string ("_forcecolor"), false))
{
table.setColumnUnderline (0);
table.setColumnUnderline (1);
table.setColumnUnderline (2);
table.setColumnUnderline (3);
table.setColumnUnderline (4);
table.setColumnUnderline (5);
}
table.setColumnJustification (1, Table::right);
table.setColumnJustification (2, Table::right);
table.setColumnJustification (3, Table::right);
table.setColumnJustification (4, Table::right);
table.setColumnJustification (5, Table::right);
foreach (i, unique)
{
int row = table.addRow ();
table.addCell (row, 0, i->first);
table.addCell (row, 1, i->second);
table.addCell (row, 2, none[i->first]);
table.addCell (row, 3, low[i->first]);
table.addCell (row, 4, medium[i->first]);
table.addCell (row, 5, high[i->first]);
}
out << optionalBlankLine ()
<< table.render ()
<< optionalBlankLine ()
<< unique.size ()
<< (unique.size () == 1 ? " project" : " projects")
<< " (" << quantity << (quantity == 1 ? " task" : " tasks") << ")"
<< std::endl;
}
else {
out << "No projects."
<< std::endl;
rc = 1;
}
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleCompletionProjects (std::string &outs)
{
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
if (context.config.get (std::string ("complete.all.projects"), false))
context.tdb.load (tasks, filter);
else
context.tdb.loadPending (tasks, filter);
context.tdb.commit ();
context.tdb.unlock ();
// Scan all the tasks for their project name, building a map using project
// names as keys.
std::map <std::string, int> unique;
foreach (t, tasks)
unique[t->get ("project")] = 0;
std::stringstream out;
foreach (project, unique)
if (project->first.length ())
out << project->first << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleTags (std::string &outs)
{
int rc = 0;
std::stringstream out;
context.filter.push_back (Att ("status", "pending"));
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
int quantity = context.tdb.loadPending (tasks, context.filter);
context.tdb.commit ();
context.tdb.unlock ();
// Scan all the tasks for their project name, building a map using project
// names as keys.
std::map <std::string, int> unique;
foreach (t, tasks)
{
std::vector <std::string> tags;
t->getTags (tags);
foreach (tag, tags)
if (unique.find (*tag) != unique.end ())
unique[*tag]++;
else
unique[*tag] = 1;
}
if (unique.size ())
{
// Render a list of tags names from the map.
Table table;
table.addColumn ("Tag");
table.addColumn ("Count");
if (context.config.get ("color", true) ||
context.config.get (std::string ("_forcecolor"), false))
{
table.setColumnUnderline (0);
table.setColumnUnderline (1);
}
table.setColumnJustification (1, Table::right);
foreach (i, unique)
{
int row = table.addRow ();
table.addCell (row, 0, i->first);
table.addCell (row, 1, i->second);
}
out << optionalBlankLine ()
<< table.render ()
<< optionalBlankLine ()
<< unique.size ()
<< (unique.size () == 1 ? " tag" : " tags")
<< " (" << quantity << (quantity == 1 ? " task" : " tasks") << ")"
<< std::endl;
}
else {
out << "No tags."
<< std::endl;
rc = 1;
}
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleCompletionTags (std::string &outs)
{
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
if (context.config.get (std::string ("complete.all.tags"), false))
context.tdb.load (tasks, filter);
else
context.tdb.loadPending (tasks, filter);
context.tdb.commit ();
context.tdb.unlock ();
// Scan all the tasks for their project name, building a map using project
// names as keys.
std::map <std::string, int> unique;
foreach (t, tasks)
{
std::vector <std::string> tags;
t->getTags (tags);
foreach (tag, tags)
unique[*tag] = 0;
}
std::stringstream out;
foreach (tag, unique)
out << tag->first << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleCompletionCommands (std::string &outs)
{
std::vector <std::string> commands;
context.cmd.allCommands (commands);
std::sort (commands.begin (), commands.end ());
std::stringstream out;
foreach (command, commands)
out << *command << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleCompletionConfig (std::string &outs)
{
std::vector <std::string> configs;
context.config.all (configs);
std::sort (configs.begin (), configs.end ());
std::stringstream out;
foreach (config, configs)
out << *config << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
// A simple version display for use by completion scripts and the task-update
// script.
int handleCompletionVersion (std::string &outs)
{
outs = VERSION;
outs += "\n";
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleCompletionIDs (std::string &outs)
{
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
context.tdb.commit ();
context.tdb.unlock ();
std::vector <int> ids;
foreach (task, tasks)
if (task->getStatus () != Task::deleted &&
task->getStatus () != Task::completed)
ids.push_back (task->id);
std::sort (ids.begin (), ids.end ());
std::stringstream out;
foreach (id, ids)
out << *id << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
void handleUndo ()
{
context.disallowModification ();
context.tdb.lock (context.config.get ("locking", true));
context.tdb.undo ();
context.tdb.unlock ();
}
////////////////////////////////////////////////////////////////////////////////
int handleVersion (std::string &outs)
{
int rc = 0;
std::stringstream out;
// Create a table for the disclaimer.
int width = context.getWidth ();
Table disclaimer;
disclaimer.setTableWidth (width);
disclaimer.addColumn (" ");
disclaimer.setColumnWidth (0, Table::flexible);
disclaimer.setColumnJustification (0, Table::left);
disclaimer.addCell (disclaimer.addRow (), 0,
"Task may be copied only under the terms of the GNU General Public "
"License, which may be found in the task source kit.");
// Create a table for the URL.
Table link;
link.setTableWidth (width);
link.addColumn (" ");
link.setColumnWidth (0, Table::flexible);
link.setColumnJustification (0, Table::left);
link.addCell (link.addRow (), 0,
"Documentation for task can be found using 'man task', 'man taskrc', or "
"'man task-tutorial' at http://taskwarrior.org");
Color bold ("bold");
out << std::endl
<< ((context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false))
? bold.colorize (PACKAGE)
: PACKAGE)
<< " "
<< ((context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false))
? bold.colorize (VERSION)
: VERSION)
<< " built for "
#if defined (DARWIN)
<< "darwin"
#elif defined (SOLARIS)
<< "solaris"
#elif defined (CYGWIN)
<< "cygwin"
#elif defined (OPENBSD)
<< "openbsd"
#elif defined (HAIKU)
<< "haiku"
#elif defined (FREEBSD)
<< "freebsd"
#elif defined (LINUX)
<< "linux"
#else
<< "unknown"
#endif
#ifdef HAVE_LIBNCURSES
<< "-ncurses"
#endif
#ifdef HAVE_LIBREADLINE
<< "-readline"
#endif
#ifdef HAVE_LIBLUA
<< "-lua"
#endif
<< std::endl
<< "Copyright (C) 2006 - 2010, P. Beckingham."
<< std::endl
<< disclaimer.render ()
<< link.render ()
<< std::endl;
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleConfig (std::string &outs)
{
int rc = 0;
std::stringstream out;
int width = context.getWidth ();
std::vector <std::string> all;
context.config.all (all);
// Create a table for output.
Table table;
table.setTableWidth (width);
table.setDateFormat (context.config.get ("dateformat", "m/d/Y"));
table.addColumn ("Config variable");
table.addColumn ("Value");
if (context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false))
{
table.setColumnUnderline (0);
table.setColumnUnderline (1);
}
else
table.setTableDashedUnderline ();
table.setColumnWidth (0, Table::minimum);
table.setColumnWidth (1, Table::flexible);
table.setColumnJustification (0, Table::left);
table.setColumnJustification (1, Table::left);
table.sortOn (0, Table::ascendingCharacter);
foreach (i, all)
{
std::string value = context.config.get (*i);
if (value != "")
{
int row = table.addRow ();
table.addCell (row, 0, *i);
table.addCell (row, 1, value);
}
}
Color bold ("bold");
out << std::endl
<< table.render ()
<< std::endl;
// Complain about configuration variables that are not recognized.
// These are the regular configuration variables.
// Note that there is a leading and trailing space, to make searching easier.
std::string recognized =
" blanklines bulk calendar.details calendar.details.report color color.active "
"color.due color.overdue color.pri.H color.pri.L color.pri.M color.pri.none "
"color.recurring color.tagged color.footnote color.header color.debug color.alternate "
"color.calendar.today color.calendar.due color.calendar.overdue "
"confirmation curses data.location dateformat debug default.command default.priority "
"default.project defaultwidth due locale displayweeknumber echo.command "
"locking monthsperline nag next project shadow.command shadow.file "
"shadow.notify weekstart editor import.synonym.id import.synonym.uuid "
"complete.all.projects complete.all.tags "
#ifdef FEATURE_SHELL
"shell.prompt "
#endif
"import.synonym.status import.synonym.tags import.synonym.entry "
"import.synonym.start import.synonym.due import.synonym.recur "
"import.synonym.end import.synonym.project import.synonym.priority "
"import.synonym.fg import.synonym.bg import.synonym.description ";
// This configuration variable is supported, but not documented. It exists
// so that unit tests can force color to be on even when the output from task
// is redirected to a file, or stdout is not a tty.
recognized += "_forcecolor ";
std::vector <std::string> unrecognized;
foreach (i, all)
{
// Disallow partial matches by tacking a leading an trailing space on each
// variable name.
std::string pattern = " " + *i + " ";
if (recognized.find (pattern) == std::string::npos)
{
// These are special configuration variables, because their name is
// dynamic.
if (i->substr (0, 14) != "color.keyword." &&
i->substr (0, 14) != "color.project." &&
i->substr (0, 10) != "color.tag." &&
i->substr (0, 7) != "report." &&
i->substr (0, 6) != "alias.")
{
unrecognized.push_back (*i);
}
}
}
if (unrecognized.size ())
{
out << "Your .taskrc file contains these unrecognized variables:"
<< std::endl;
foreach (i, unrecognized)
out << " " << *i << std::endl;
out << std::endl;
}
out << context.config.checkForDeprecatedColor ();
out << context.config.checkForDuplicates ();
// TODO Check for referenced but missing theme files.
// TODO Check for referenced but missing string files.
// Verify installation. This is mentioned in the documentation as the way to
// ensure everything is properly installed.
if (all.size () == 0) {
out << "Configuration error: .taskrc contains no entries"
<< std::endl;
rc = 1;
}
else
{
if (context.config.get ("data.location") == "")
out << "Configuration error: data.location not specified in .taskrc "
"file."
<< std::endl;
if (access (expandPath (context.config.get ("data.location")).c_str (), X_OK))
out << "Configuration error: data.location contains a directory name"
" that doesn't exist, or is unreadable."
<< std::endl;
}
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleDelete (std::string &outs)
{
int rc = 0;
std::stringstream out;
context.disallowModification ();
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
std::vector <Task> all = tasks;
context.filter.applySequence (tasks, context.sequence);
// Determine the end date.
char endTime[16];
sprintf (endTime, "%u", (unsigned int) time (NULL));
foreach (task, tasks)
{
std::stringstream question;
question << "Permanently delete task "
<< task->id
<< " '"
<< task->get ("description")
<< "'?";
if (!context.config.get (std::string ("confirmation"), false) || confirm (question.str ()))
{
// Check for the more complex case of a recurring task. If this is a
// recurring task, get confirmation to delete them all.
std::string parent = task->get ("parent");
if (parent != "")
{
if (confirm ("This is a recurring task. Do you want to delete all pending recurrences of this same task?"))
{
// Scan all pending tasks for siblings of this task, and the parent
// itself, and delete them.
foreach (sibling, all)
{
if (sibling->get ("parent") == parent ||
sibling->get ("uuid") == parent)
{
sibling->setStatus (Task::deleted);
sibling->set ("end", endTime);
context.tdb.update (*sibling);
if (context.config.get ("echo.command", true))
out << "Deleting recurring task "
<< sibling->id
<< " '"
<< sibling->get ("description")
<< "'"
<< std::endl;
}
}
}
else
{
// Update mask in parent.
task->setStatus (Task::deleted);
updateRecurrenceMask (all, *task);
task->set ("end", endTime);
context.tdb.update (*task);
out << "Deleting recurring task "
<< task->id
<< " '"
<< task->get ("description")
<< "'"
<< std::endl;
}
}
else
{
task->setStatus (Task::deleted);
task->set ("end", endTime);
context.tdb.update (*task);
if (context.config.get ("echo.command", true))
out << "Deleting task "
<< task->id
<< " '"
<< task->get ("description")
<< "'"
<< std::endl;
}
}
else {
out << "Task not deleted." << std::endl;
rc = 1;
}
}
context.tdb.commit ();
context.tdb.unlock ();
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleStart (std::string &outs)
{
int rc = 0;
std::stringstream out;
context.disallowModification ();
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
context.filter.applySequence (tasks, context.sequence);
bool nagged = false;
foreach (task, tasks)
{
if (! task->has ("start"))
{
char startTime[16];
sprintf (startTime, "%u", (unsigned int) time (NULL));
task->set ("start", startTime);
context.tdb.update (*task);
if (context.config.get ("echo.command", true))
out << "Started "
<< task->id
<< " '"
<< task->get ("description")
<< "'"
<< std::endl;
if (!nagged)
nagged = nag (*task);
}
else
{
out << "Task "
<< task->id
<< " '"
<< task->get ("description")
<< "' already started."
<< std::endl;
rc = 1;
}
}
context.tdb.commit ();
context.tdb.unlock ();
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleStop (std::string &outs)
{
int rc = 0;
std::stringstream out;
context.disallowModification ();
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
context.filter.applySequence (tasks, context.sequence);
foreach (task, tasks)
{
if (task->has ("start"))
{
task->remove ("start");
context.tdb.update (*task);
if (context.config.get ("echo.command", true))
out << "Stopped "
<< task->id
<< " '"
<< task->get ("description")
<< "'"
<< std::endl;
}
else
{
out << "Task "
<< task->id
<< " '"
<< task->get ("description")
<< "' not started."
<< std::endl;
rc = 1;
}
}
context.tdb.commit ();
context.tdb.unlock ();
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleDone (std::string &outs)
{
int rc = 0;
int count = 0;
std::stringstream out;
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
std::vector <Task> all = tasks;
context.filter.applySequence (tasks, context.sequence);
Permission permission;
if (context.sequence.size () > (size_t) context.config.get ("bulk", 2))
permission.bigSequence ();
bool nagged = false;
foreach (task, tasks)
{
if (task->getStatus () == Task::pending)
{
Task before (*task);
// Apply other deltas.
if (deltaDescription (*task))
permission.bigChange ();
deltaTags (*task);
deltaAttributes (*task);
deltaSubstitutions (*task);
// Add an end date.
char entryTime[16];
sprintf (entryTime, "%u", (unsigned int) time (NULL));
task->set ("end", entryTime);
// Change status.
task->setStatus (Task::completed);
if (taskDiff (before, *task))
{
if (permission.confirmed (before, taskDifferences (before, *task) + "Proceed with change?"))
{
context.tdb.update (*task);
if (context.config.get ("echo.command", true))
out << "Completed "
<< task->id
<< " '"
<< task->get ("description")
<< "'"
<< std::endl;
++count;
}
}
updateRecurrenceMask (all, *task);
if (!nagged)
nagged = nag (*task);
}
else
out << "Task "
<< task->id
<< " '"
<< task->get ("description")
<< "' is not pending"
<< std::endl;
rc = 1;
}
context.tdb.commit ();
context.tdb.unlock ();
if (context.config.get ("echo.command", true))
out << "Marked "
<< count
<< " task"
<< (count == 1 ? "" : "s")
<< " as done"
<< std::endl;
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleExport (std::string &outs)
{
std::stringstream out;
// Deliberately no 'id'.
out << "'uuid',"
<< "'status',"
<< "'tags',"
<< "'entry',"
<< "'start',"
<< "'due',"
<< "'recur',"
<< "'end',"
<< "'project',"
<< "'priority',"
<< "'fg',"
<< "'bg',"
<< "'description'"
<< "\n";
int count = 0;
// Get all the tasks.
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
handleRecurrence ();
context.tdb.load (tasks, context.filter);
context.tdb.commit ();
context.tdb.unlock ();
foreach (task, tasks)
{
if (task->getStatus () != Task::recurring)
{
out << task->composeCSV ().c_str ();
++count;
}
}
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleModify (std::string &outs)
{
int count = 0;
std::stringstream out;
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
std::vector <Task> all = tasks;
context.filter.applySequence (tasks, context.sequence);
Permission permission;
if (context.sequence.size () > (size_t) context.config.get ("bulk", 2))
permission.bigSequence ();
foreach (task, tasks)
{
// Perform some logical consistency checks.
if (context.task.has ("recur") &&
!context.task.has ("due") &&
!task->has ("due"))
throw std::string ("You cannot specify a recurring task without a due date.");
if (context.task.has ("until") &&
!context.task.has ("recur") &&
!task->has ("recur"))
throw std::string ("You cannot specify an until date for a non-recurring task.");
if (task->has ("due") &&
!context.task.has ("due") &&
context.task.has ("recur"))
throw std::string ("You cannot remove the due date from a recurring task.");
if (task->has ("recur") &&
!context.task.has ("recur"))
throw std::string ("You cannot remove the recurrence from a recurring task.");
// Make all changes.
foreach (other, all)
{
if (other->id == task->id || // Self
(task->has ("parent") &&
task->get ("parent") == other->get ("parent")) || // Sibling
other->get ("uuid") == task->get ("parent")) // Parent
{
if (task->has ("parent"))
std::cout << "Task "
<< task->id
<< " is a recurring task, and all other instances of this"
<< " task may be modified."
<< std::endl;
Task before (*other);
// A non-zero value forces a file write.
int changes = 0;
// Apply other deltas.
if (deltaDescription (*other))
{
permission.bigChange ();
++changes;
}
changes += deltaTags (*other);
changes += deltaAttributes (*other);
changes += deltaSubstitutions (*other);
if (taskDiff (before, *other))
{
if (changes && permission.confirmed (before, taskDifferences (before, *other) + "Proceed with change?"))
{
context.tdb.update (*other);
++count;
}
}
}
}
}
context.tdb.commit ();
context.tdb.unlock ();
if (context.config.get ("echo.command", true))
out << "Modified " << count << " task" << (count == 1 ? "" : "s") << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleAppend (std::string &outs)
{
int count = 0;
std::stringstream out;
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
std::vector <Task> all = tasks;
context.filter.applySequence (tasks, context.sequence);
Permission permission;
if (context.sequence.size () > (size_t) context.config.get ("bulk", 2))
permission.bigSequence ();
foreach (task, tasks)
{
foreach (other, all)
{
if (other->id == task->id || // Self
(task->has ("parent") &&
task->get ("parent") == other->get ("parent")) || // Sibling
other->get ("uuid") == task->get ("parent")) // Parent
{
Task before (*other);
// A non-zero value forces a file write.
int changes = 0;
// Apply other deltas.
changes += deltaAppend (*other);
changes += deltaTags (*other);
changes += deltaAttributes (*other);
if (taskDiff (before, *other))
{
if (changes && permission.confirmed (before, taskDifferences (before, *other) + "Proceed with change?"))
{
context.tdb.update (*other);
if (context.config.get ("echo.command", true))
out << "Appended '"
<< context.task.get ("description")
<< "' to task "
<< other->id
<< std::endl;
++count;
}
}
}
}
}
context.tdb.commit ();
context.tdb.unlock ();
if (context.config.get ("echo.command", true))
out << "Appended " << count << " task" << (count == 1 ? "" : "s") << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handlePrepend (std::string &outs)
{
int count = 0;
std::stringstream out;
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
std::vector <Task> all = tasks;
context.filter.applySequence (tasks, context.sequence);
Permission permission;
if (context.sequence.size () > (size_t) context.config.get ("bulk", 2))
permission.bigSequence ();
foreach (task, tasks)
{
foreach (other, all)
{
if (other->id == task->id || // Self
(task->has ("parent") &&
task->get ("parent") == other->get ("parent")) || // Sibling
other->get ("uuid") == task->get ("parent")) // Parent
{
Task before (*other);
// A non-zero value forces a file write.
int changes = 0;
// Apply other deltas.
changes += deltaPrepend (*other);
changes += deltaTags (*other);
changes += deltaAttributes (*other);
if (taskDiff (before, *other))
{
if (changes && permission.confirmed (before, taskDifferences (before, *other) + "Are you sure?"))
{
context.tdb.update (*other);
if (context.config.get ("echo.command", true))
out << "Prepended '"
<< context.task.get ("description")
<< "' to task "
<< other->id
<< std::endl;
++count;
}
}
}
}
}
context.tdb.commit ();
context.tdb.unlock ();
if (context.config.get ("echo.command", true))
out << "Prepended " << count << " task" << (count == 1 ? "" : "s") << std::endl;
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int handleDuplicate (std::string &outs)
{
std::stringstream out;
int count = 0;
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
context.filter.applySequence (tasks, context.sequence);
foreach (task, tasks)
{
Task dup (*task);
dup.set ("uuid", uuid ()); // Needs a new UUID.
dup.setStatus (Task::pending);
dup.remove ("start"); // Does not inherit start date.
dup.remove ("end"); // Does not inherit end date.
// Recurring tasks are duplicated and downgraded to regular tasks.
if (task->getStatus () == Task::recurring)
{
dup.remove ("parent");
dup.remove ("recur");
dup.remove ("until");
dup.remove ("imak");
dup.remove ("imask");
out << "Note: task "
<< task->id
<< " was a recurring task. The new task is not."
<< std::endl;
}
// Apply deltas.
deltaDescription (dup);
deltaTags (dup);
deltaAttributes (dup);
deltaSubstitutions (dup);
// A New task needs a new entry time.
char entryTime[16];
sprintf (entryTime, "%u", (unsigned int) time (NULL));
dup.set ("entry", entryTime);
context.tdb.add (dup);
if (context.config.get ("echo.command", true))
out << "Duplicated "
<< task->id
<< " '"
<< task->get ("description")
<< "'"
<< std::endl;
++count;
}
if (context.config.get ("echo.command", true))
{
out << "Duplicated " << count << " task" << (count == 1 ? "" : "s") << std::endl;
#ifdef FEATURE_NEW_ID
// All this, just for an id number.
std::vector <Task> all;
Filter none;
context.tdb.loadPending (all, none);
out << "Created task " << context.tdb.nextId () << std::endl;
#endif
}
context.tdb.commit ();
context.tdb.unlock ();
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
#ifdef FEATURE_SHELL
void handleShell ()
{
// Display some kind of welcome message.
Color bold (Color::nocolor, Color::nocolor, false, true, false);
std::cout << ((context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false))
? bold.colorize (PACKAGE_STRING)
: PACKAGE_STRING)
<< " shell"
<< std::endl
<< std::endl
<< "Enter any task command (such as 'list'), or hit 'Enter'."
<< std::endl
<< "There is no need to include the 'task' command itself."
<< std::endl
<< "Enter 'quit' to end the session."
<< std::endl
<< std::endl;
// Make a copy because context.clear will delete them.
std::string permanentOverrides = " " + context.file_override
+ " " + context.var_overrides;
std::string quit = "quit"; // TODO i18n
std::string command;
bool keepGoing = true;
do
{
std::cout << context.config.get ("shell.prompt", "task>") << " ";
command = "";
std::getline (std::cin, command);
std::string decoratedCommand = trim (command + permanentOverrides);
// When looking for the 'quit' command, use 'command', not
// 'decoratedCommand'.
if (command.length () > 0 &&
command.length () <= quit.length () &&
lowerCase (command) == quit.substr (0, command.length ()))
{
keepGoing = false;
}
else
{
try
{
context.clear ();
std::vector <std::string> args;
split (args, decoratedCommand, ' ');
foreach (arg, args) context.args.push_back (*arg);
context.initialize ();
context.run ();
}
catch (std::string& error)
{
std::cout << error << std::endl;
}
catch (...)
{
std::cerr << context.stringtable.get (100, "Unknown error.") << std::endl;
}
}
}
while (keepGoing && !std::cin.eof ());
// No need to repeat any overrides after the shell quits.
context.clearMessages ();
}
#endif
////////////////////////////////////////////////////////////////////////////////
int handleColor (std::string &outs)
{
int rc = 0;
std::stringstream out;
if (context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false))
{
// If there is something in the description, then assume that is a color,
// and display it as a sample.
std::string description = context.task.get ("description");
if (description != "")
{
Color one ("black on bright yellow");
Color two ("underline cyan on bright blue");
Color three ("color214 on color202");
Color four ("rgb150 on rgb020");
Color five ("underline grey10 on grey3");
Color six ("red on color173");
Color sample (description);
out << std::endl
<< "Use this command to see how colors are displayed by your terminal." << std::endl
<< std::endl
<< "16-color usage (supports underline, bold text, bright background):" << std::endl
<< " " << one.colorize ("task color black on bright yellow") << std::endl
<< " " << two.colorize ("task color underline cyan on bright blue") << std::endl
<< std::endl
<< "256-color usage (supports underline):" << std::endl
<< " " << three.colorize ("task color color214 on color202") << std::endl
<< " " << four.colorize ("task color rgb150 on rgb020") << std::endl
<< " " << five.colorize ("task color underline grey10 on grey3") << std::endl
<< " " << six.colorize ("task color red on color173") << std::endl
<< std::endl
<< "Your sample:" << std::endl
<< " " << sample.colorize ("task color " + description) << std::endl
<< std::endl;
}
// Show all supported colors. Possibly show some unsupported ones too.
else
{
out << std::endl
<< "Basic colors"
<< std::endl
<< " " << Color::colorize (" black ", "black")
<< " " << Color::colorize (" red ", "red")
<< " " << Color::colorize (" blue ", "blue")
<< " " << Color::colorize (" green ", "green")
<< " " << Color::colorize (" magenta ", "magenta")
<< " " << Color::colorize (" cyan ", "cyan")
<< " " << Color::colorize (" yellow ", "yellow")
<< " " << Color::colorize (" white ", "white")
<< std::endl
<< " " << Color::colorize (" black ", "white on black")
<< " " << Color::colorize (" red ", "white on red")
<< " " << Color::colorize (" blue ", "white on blue")
<< " " << Color::colorize (" green ", "black on green")
<< " " << Color::colorize (" magenta ", "black on magenta")
<< " " << Color::colorize (" cyan ", "black on cyan")
<< " " << Color::colorize (" yellow ", "black on yellow")
<< " " << Color::colorize (" white ", "black on white")
<< std::endl
<< std::endl;
out << "Effects"
<< std::endl
<< " " << Color::colorize (" red ", "red")
<< " " << Color::colorize (" bold red ", "bold red")
<< " " << Color::colorize (" underline on blue ", "underline on blue")
<< " " << Color::colorize (" on green ", "black on green")
<< " " << Color::colorize (" on bright green ", "black on bright green")
<< std::endl
<< std::endl;
// 16 system colors.
out << "color0 - color15" << std::endl;
for (int r = 0; r < 2; ++r)
{
out << " ";
for (int c = 0; c < 8; ++c)
{
std::stringstream s;
s << "on color" << (r*8 + c);
out << Color::colorize (" ", s.str ());
}
out << std::endl;
}
out << std::endl;
// Color cube.
out << "Color cube rgb000 - rgb555 (also color16 - color231)" << std::endl;
for (int g = 0; g < 6; ++g)
{
out << " ";
for (int r = 0; r < 6; ++r)
{
for (int b = 0; b < 6; ++b)
{
std::stringstream s;
s << "on rgb" << r << g << b;
out << Color::colorize (" ", s.str ());
}
out << " ";
}
out << std::endl;
}
out << std::endl;
// Grey ramp.
out << "Gray ramp gray0 - gray23 (also color232 - color255)" << std::endl << " ";
for (int g = 0; g < 24; ++g)
{
std::stringstream s;
s << "on gray" << g;
out << Color::colorize (" ", s.str ());
}
out << std::endl
<< std::endl
<< "Try running 'task color white on red'"
<< std::endl
<< std::endl;
}
}
else
{
out << "Color is currently turned off in your .taskrc file. To enable "
"color, remove the line 'color=off', or change the 'off' to 'on'."
<< std::endl;
rc = 1;
}
outs = out.str ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int handleAnnotate (std::string &outs)
{
if (!context.task.has ("description"))
throw std::string ("Cannot apply a blank annotation.");
std::stringstream out;
std::vector <Task> tasks;
context.tdb.lock (context.config.get ("locking", true));
Filter filter;
context.tdb.loadPending (tasks, filter);
// Filter sequence.
context.filter.applySequence (tasks, context.sequence);
Permission permission;
if (context.sequence.size () > (size_t) context.config.get ("bulk", 2))
permission.bigSequence ();
foreach (task, tasks)
{
Task before (*task);
task->addAnnotation (context.task.get ("description"));
if (taskDiff (before, *task))
{
if (permission.confirmed (before, taskDifferences (before, *task) + "Proceed with change?"))
{
context.tdb.update (*task);
if (context.config.get ("echo.command", true))
out << "Annotated "
<< task->id
<< " with '"
<< context.task.get ("description")
<< "'"
<< std::endl;
}
}
}
context.tdb.commit ();
context.tdb.unlock ();
outs = out.str ();
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int deltaAppend (Task& task)
{
if (context.task.has ("description"))
{
task.set ("description",
task.get ("description") + " " + context.task.get ("description"));
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int deltaPrepend (Task& task)
{
if (context.task.has ("description"))
{
task.set ("description",
context.task.get ("description") + " " + task.get ("description"));
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int deltaDescription (Task& task)
{
if (context.task.has ("description"))
{
task.set ("description", context.task.get ("description"));
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////
int deltaTags (Task& task)
{
int changes = 0;
// Apply or remove tags, if any.
std::vector <std::string> tags;
context.task.getTags (tags);
foreach (tag, tags)
{
task.addTag (*tag);
++changes;
}
foreach (tag, context.tagRemovals)
{
task.removeTag (*tag);
++changes;
}
return changes;
}
////////////////////////////////////////////////////////////////////////////////
int deltaAttributes (Task& task)
{
int changes = 0;
foreach (att, context.task)
{
if (att->second.name () != "uuid" &&
att->second.name () != "description" &&
att->second.name () != "tags")
{
// Modifying "wait" changes status.
if (att->second.name () == "wait")
{
if (att->second.value () == "")
task.setStatus (Task::pending);
else
task.setStatus (Task::waiting);
}
if (att->second.value () == "")
task.remove (att->second.name ());
else
// One of the few places where the compound attribute name is used.
task.set (att->first, att->second.value ());
++changes;
}
}
return changes;
}
////////////////////////////////////////////////////////////////////////////////
int deltaSubstitutions (Task& task)
{
std::string description = task.get ("description");
std::vector <Att> annotations;
task.getAnnotations (annotations);
context.subst.apply (description, annotations);
task.set ("description", description);
task.setAnnotations (annotations);
return 1;
}
////////////////////////////////////////////////////////////////////////////////