taskwarrior/src/Alias.cpp
Paul Beckingham 386bcea60e Text
- Removed splitq function and tests, migrated code over to the new
  Lexer::split.
2014-04-23 23:20:56 -04:00

112 lines
3.6 KiB
C++

////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2014, Paul Beckingham, Federico Hernandez.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// http://www.opensource.org/licenses/mit-license.php
//
////////////////////////////////////////////////////////////////////////////////
#include <cmake.h>
#include <iostream> // TODO Remove
#include <vector>
#include <Alias.h>
#include <Context.h>
#include <Lexer.h>
#include <Tree.h>
#include <text.h>
extern Context context;
// Alias expansion limit. Any more indicates some kind of error.
const int safetyValveDefault = 10;
////////////////////////////////////////////////////////////////////////////////
Alias::Alias ()
{
}
////////////////////////////////////////////////////////////////////////////////
Alias::~Alias ()
{
}
////////////////////////////////////////////////////////////////////////////////
void Alias::load ()
{
_aliases.clear ();
std::vector <std::string> vars;
context.config.all (vars);
std::vector <std::string>::iterator var;
for (var = vars.begin (); var != vars.end (); ++var)
if (var->substr (0, 6) == "alias.")
_aliases[var->substr (6)] = context.config.get (*var);
}
////////////////////////////////////////////////////////////////////////////////
// An alias must be a distinct word on the command line.
void Alias::resolve (Tree* tree)
{
bool something;
int safety_valve = safetyValveDefault;
do
{
something = false;
std::string command;
std::vector <Tree*>::iterator i;
for (i = tree->_branches.begin (); i != tree->_branches.end (); ++i)
{
// Parser override operator.
if ((*i)->attribute ("raw") == "--")
break;
// Skip known args.
if (! (*i)->hasTag ("?"))
continue;
std::string raw = (*i)->attribute ("raw");
std::map <std::string, std::string>::iterator match = context.aliases.find (raw);
if (match != context.aliases.end ())
{
something = true;
std::vector <std::string> words;
Lexer::split (words, context.aliases[raw]);
std::vector <std::string>::iterator word;
for (word = words.begin (); word != words.end (); ++word)
{
// TODO Insert branch (words) in place of (*i).
std::cout << "# alias word '" << *word << "'\n";
}
}
}
}
while (something && --safety_valve > 0);
if (safety_valve <= 0)
context.debug (format ("Nested alias limit of {1} reached.", safetyValveDefault));
}
////////////////////////////////////////////////////////////////////////////////