taskwarrior/src/Hooks.cpp
Paul Beckingham 462caf5bd4 Copyright
- Updated copyright to 2011.
2010-12-31 22:03:05 -05:00

469 lines
17 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// taskwarrior - a command line task list manager.
//
// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
// 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 <algorithm>
#include "Context.h"
#include "Hooks.h"
#include "Timer.h"
extern Context context;
////////////////////////////////////////////////////////////////////////////////
Hook::Hook ()
: event ("")
, file ("")
, function ("")
{
}
////////////////////////////////////////////////////////////////////////////////
Hook::Hook (const std::string& e, const std::string& f, const std::string& fn)
: event (e)
, file (f)
, function (fn)
{
}
////////////////////////////////////////////////////////////////////////////////
Hook::Hook (const Hook& other)
{
event = other.event;
file = other.file;
function = other.function;
}
////////////////////////////////////////////////////////////////////////////////
Hook& Hook::operator= (const Hook& other)
{
if (this != &other)
{
event = other.event;
file = other.file;
function = other.function;
}
return *this;
}
////////////////////////////////////////////////////////////////////////////////
Hooks::Hooks ()
{
validProgramEvents.push_back ("post-start");
validProgramEvents.push_back ("post-commit");
validProgramEvents.push_back ("pre-fatal-error");
validProgramEvents.push_back ("pre-exit");
validProgramEvents.push_back ("pre-command-line");
validProgramEvents.push_back ("post-command-line");
validProgramEvents.push_back ("pre-command-line-override");
validProgramEvents.push_back ("post-command-line-override");
validProgramEvents.push_back ("pre-config-create");
validProgramEvents.push_back ("post-config-create");
validProgramEvents.push_back ("pre-config-read");
validProgramEvents.push_back ("post-config-read");
validProgramEvents.push_back ("pre-config-value-read");
validProgramEvents.push_back ("post-config-value-read");
validProgramEvents.push_back ("pre-config-value-write");
validProgramEvents.push_back ("post-config-value-write");
validProgramEvents.push_back ("pre-file-lock");
validProgramEvents.push_back ("post-file-lock");
validProgramEvents.push_back ("pre-file-unlock");
validProgramEvents.push_back ("post-file-unlock");
validProgramEvents.push_back ("pre-file-read");
validProgramEvents.push_back ("post-file-read");
validProgramEvents.push_back ("pre-file-write");
validProgramEvents.push_back ("post-file-write");
validProgramEvents.push_back ("pre-output");
validProgramEvents.push_back ("post-output");
validProgramEvents.push_back ("pre-debug");
validProgramEvents.push_back ("post-debug");
validProgramEvents.push_back ("pre-header");
validProgramEvents.push_back ("post-header");
validProgramEvents.push_back ("pre-footnote");
validProgramEvents.push_back ("post-footnote");
validProgramEvents.push_back ("pre-dispatch");
validProgramEvents.push_back ("post-dispatch");
validProgramEvents.push_back ("pre-gc");
validProgramEvents.push_back ("post-gc");
validProgramEvents.push_back ("pre-archive");
validProgramEvents.push_back ("post-archive");
validProgramEvents.push_back ("pre-purge");
validProgramEvents.push_back ("post-purge");
validProgramEvents.push_back ("pre-recurrence");
validProgramEvents.push_back ("post-recurrence");
validProgramEvents.push_back ("pre-interactive");
validProgramEvents.push_back ("post-interactive");
validProgramEvents.push_back ("pre-undo");
validProgramEvents.push_back ("post-undo");
validProgramEvents.push_back ("pre-confirm");
validProgramEvents.push_back ("post-confirm");
validProgramEvents.push_back ("pre-shell-prompt");
validProgramEvents.push_back ("post-shell-prompt");
validProgramEvents.push_back ("pre-add-command");
validProgramEvents.push_back ("post-add-command");
validProgramEvents.push_back ("pre-annotate-command");
validProgramEvents.push_back ("post-annotate-command");
validProgramEvents.push_back ("pre-denotate-command");
validProgramEvents.push_back ("post-denotate-command");
validProgramEvents.push_back ("pre-append-command");
validProgramEvents.push_back ("post-append-command");
validProgramEvents.push_back ("pre-calendar-command");
validProgramEvents.push_back ("post-calendar-command");
validProgramEvents.push_back ("pre-color-command");
validProgramEvents.push_back ("post-color-command");
validProgramEvents.push_back ("pre-config-command");
validProgramEvents.push_back ("post-config-command");
validProgramEvents.push_back ("pre-custom-report-command");
validProgramEvents.push_back ("post-custom-report-command");
validProgramEvents.push_back ("pre-default-command");
validProgramEvents.push_back ("post-default-command");
validProgramEvents.push_back ("pre-delete-command");
validProgramEvents.push_back ("post-delete-command");
validProgramEvents.push_back ("pre-done-command");
validProgramEvents.push_back ("post-done-command");
validProgramEvents.push_back ("pre-duplicate-command");
validProgramEvents.push_back ("post-duplicate-command");
validProgramEvents.push_back ("pre-count-command");
validProgramEvents.push_back ("post-count-command");
validProgramEvents.push_back ("pre-edit-command");
validProgramEvents.push_back ("post-edit-command");
validProgramEvents.push_back ("pre-export-command");
validProgramEvents.push_back ("post-export-command");
validProgramEvents.push_back ("pre-ghistory-command");
validProgramEvents.push_back ("post-ghistory-command");
validProgramEvents.push_back ("pre-history-command");
validProgramEvents.push_back ("post-history-command");
validProgramEvents.push_back ("pre-burndown-command");
validProgramEvents.push_back ("post-burndown-command");
validProgramEvents.push_back ("pre-import-command");
validProgramEvents.push_back ("post-import-command");
validProgramEvents.push_back ("pre-info-command");
validProgramEvents.push_back ("post-info-command");
validProgramEvents.push_back ("pre-merge-command");
validProgramEvents.push_back ("post-merge-command");
validProgramEvents.push_back ("pre-modify-command");
validProgramEvents.push_back ("post-modify-command");
validProgramEvents.push_back ("pre-prepend-command");
validProgramEvents.push_back ("post-prepend-command");
validProgramEvents.push_back ("pre-projects-command");
validProgramEvents.push_back ("post-projects-command");
validProgramEvents.push_back ("pre-pull-command");
validProgramEvents.push_back ("post-pull-command");
validProgramEvents.push_back ("pre-push-command");
validProgramEvents.push_back ("post-push-command");
validProgramEvents.push_back ("pre-shell-command");
validProgramEvents.push_back ("post-shell-command");
validProgramEvents.push_back ("pre-start-command");
validProgramEvents.push_back ("post-start-command");
validProgramEvents.push_back ("pre-stats-command");
validProgramEvents.push_back ("post-stats-command");
validProgramEvents.push_back ("pre-stop-command");
validProgramEvents.push_back ("post-stop-command");
validProgramEvents.push_back ("pre-summary-command");
validProgramEvents.push_back ("post-summary-command");
validProgramEvents.push_back ("pre-tags-command");
validProgramEvents.push_back ("post-tags-command");
validProgramEvents.push_back ("pre-timesheet-command");
validProgramEvents.push_back ("post-timesheet-command");
validProgramEvents.push_back ("pre-undo-command");
validProgramEvents.push_back ("post-undo-command");
validProgramEvents.push_back ("pre-usage-command");
validProgramEvents.push_back ("post-usage-command");
validProgramEvents.push_back ("pre-version-command");
validProgramEvents.push_back ("post-version-command");
validListEvents.push_back ("pre-filter");
validListEvents.push_back ("post-filter");
validTaskEvents.push_back ("pre-display");
validTaskEvents.push_back ("pre-modification");
validTaskEvents.push_back ("post-modification");
validTaskEvents.push_back ("pre-delete");
validTaskEvents.push_back ("post-delete");
validTaskEvents.push_back ("pre-add");
validTaskEvents.push_back ("post-add");
validTaskEvents.push_back ("pre-undo");
validTaskEvents.push_back ("post-undo");
validTaskEvents.push_back ("pre-wait");
validTaskEvents.push_back ("post-wait");
validTaskEvents.push_back ("pre-unwait");
validTaskEvents.push_back ("post-unwait");
validTaskEvents.push_back ("pre-completed");
validTaskEvents.push_back ("post-completed");
validTaskEvents.push_back ("pre-priority-change");
validTaskEvents.push_back ("post-priority-change");
validTaskEvents.push_back ("pre-project-change");
validTaskEvents.push_back ("post-project-change");
validTaskEvents.push_back ("pre-substitution");
validTaskEvents.push_back ("post-substitution");
validTaskEvents.push_back ("pre-annotation");
validTaskEvents.push_back ("post-annotation");
validTaskEvents.push_back ("pre-tag");
validTaskEvents.push_back ("post-tag");
validTaskEvents.push_back ("pre-detag");
validTaskEvents.push_back ("post-detag");
validTaskEvents.push_back ("pre-colorization");
validTaskEvents.push_back ("post-colorization");
validFieldEvents.push_back ("format-number");
validFieldEvents.push_back ("format-date");
validFieldEvents.push_back ("format-duration");
validFieldEvents.push_back ("format-text");
validFieldEvents.push_back ("format-id");
validFieldEvents.push_back ("format-uuid");
validFieldEvents.push_back ("format-project");
validFieldEvents.push_back ("format-priority");
validFieldEvents.push_back ("format-priority_long");
validFieldEvents.push_back ("format-entry");
validFieldEvents.push_back ("format-start");
validFieldEvents.push_back ("format-end");
validFieldEvents.push_back ("format-due");
validFieldEvents.push_back ("format-countdown");
validFieldEvents.push_back ("format-countdown_compact");
validFieldEvents.push_back ("format-age");
validFieldEvents.push_back ("format-age_compact");
validFieldEvents.push_back ("format-active");
validFieldEvents.push_back ("format-tags");
validFieldEvents.push_back ("format-recur");
validFieldEvents.push_back ("format-recurrence_indicator");
validFieldEvents.push_back ("format-tag_indicator");
validFieldEvents.push_back ("format-description_only");
validFieldEvents.push_back ("format-description");
validFieldEvents.push_back ("format-wait");
validFieldEvents.push_back ("format-prompt");
validFieldEvents.push_back ("format-depends");
}
////////////////////////////////////////////////////////////////////////////////
Hooks::~Hooks ()
{
}
////////////////////////////////////////////////////////////////////////////////
// Enumerate all hooks, and tell API about the script files it must load in
// order to call them. Note that API will perform a deferred read, which means
// that if it isn't called, a script will not be loaded.
void Hooks::initialize ()
{
#ifdef HAVE_LIBLUA
api.initialize ();
#endif
// Allow a master switch to turn the whole thing off.
bool big_red_switch = context.config.getBoolean ("hooks");
if (big_red_switch)
{
std::vector <std::string> vars;
context.config.all (vars);
std::vector <std::string>::iterator it;
for (it = vars.begin (); it != vars.end (); ++it)
{
std::string type;
std::string name;
std::string value;
// "<type>.<name>"
Nibbler n (*it);
if (n.getUntil ('.', type) &&
type == "hook" &&
n.skip ('.') &&
n.getUntilEOS (name))
{
std::string value = context.config.get (*it);
Nibbler n (value);
// <path>:<function> [, ...]
while (!n.depleted ())
{
std::string file;
std::string function;
if (n.getUntil (':', file) &&
n.skip (':') &&
n.getUntil (',', function))
{
context.debug (std::string ("Event '") + name + "' hooked by " + file + ", function " + function);
Hook h (name, Path::expand (file), function);
all.push_back (h);
(void) n.skip (',');
}
else
throw std::string ("Malformed hook definition '") + *it + "'.";
}
}
}
}
else
context.debug ("Hooks::initialize - hook system off");
}
////////////////////////////////////////////////////////////////////////////////
// Program hooks.
bool Hooks::trigger (const std::string& event)
{
#ifdef HAVE_LIBLUA
std::vector <Hook>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
{
if (it->event == event)
{
Timer timer (std::string ("Hooks::trigger ") + event);
if (validProgramEvent (event))
{
context.debug (std::string ("Event ") + event + " triggered");
if (! api.callProgramHook (it->file, it->function))
return false;
}
else
throw std::string ("Unrecognized hook event '") + event + "'.";
}
}
#endif
return true;
}
////////////////////////////////////////////////////////////////////////////////
// List hooks.
bool Hooks::trigger (const std::string& event, std::vector <Task>& tasks)
{
#ifdef HAVE_LIBLUA
std::vector <Hook>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
{
if (it->event == event)
{
Timer timer (std::string ("Hooks::trigger ") + event);
if (validListEvent (event))
{
context.debug (std::string ("Event ") + event + " triggered");
if (! api.callListHook (it->file, it->function, tasks))
return false;
}
else
throw std::string ("Unrecognized hook event '") + event + "'.";
}
}
#endif
return true;
}
////////////////////////////////////////////////////////////////////////////////
// Task hooks.
bool Hooks::trigger (const std::string& event, Task& task)
{
#ifdef HAVE_LIBLUA
std::vector <Hook>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
{
if (it->event == event)
{
Timer timer (std::string ("Hooks::trigger ") + event);
if (validTaskEvent (event))
{
context.debug (std::string ("Event ") + event + " triggered");
if (! api.callTaskHook (it->file, it->function, task))
return false;
}
else
throw std::string ("Unrecognized hook event '") + event + "'.";
}
}
#endif
return true;
}
////////////////////////////////////////////////////////////////////////////////
// Field hooks.
bool Hooks::trigger (
const std::string& event,
const std::string& name,
std::string& value)
{
#ifdef HAVE_LIBLUA
std::vector <Hook>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
{
if (it->event == event)
{
Timer timer (std::string ("Hooks::trigger ") + event);
if (validFieldEvent (event))
{
context.debug (std::string ("Event ") + event + " triggered");
if (! api.callFieldHook (it->file, it->function, name, value))
return false;
}
else
throw std::string ("Unrecognized hook event '") + event + "'.";
}
}
#endif
return true;
}
////////////////////////////////////////////////////////////////////////////////
bool Hooks::validProgramEvent (const std::string& event)
{
if (std::find (validProgramEvents.begin (), validProgramEvents.end (), event) != validProgramEvents.end ())
return true;
return false;
}
bool Hooks::validListEvent (const std::string& event)
{
if (std::find (validListEvents.begin (), validListEvents.end (), event) != validListEvents.end ())
return true;
return false;
}
bool Hooks::validTaskEvent (const std::string& event)
{
if (std::find (validTaskEvents.begin (), validTaskEvents.end (), event) != validTaskEvents.end ())
return true;
return false;
}
bool Hooks::validFieldEvent (const std::string& event)
{
if (std::find (validFieldEvents.begin (), validFieldEvents.end (), event) != validFieldEvents.end ())
return true;
return false;
}
////////////////////////////////////////////////////////////////////////////////