taskwarrior/src/commands/CmdGet.cpp
2018-05-13 20:26:34 -04:00

99 lines
3.2 KiB
C++

////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2016, 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 <CmdGet.h>
#include <Variant.h>
#include <Context.h>
#include <DOM.h>
#include <main.h>
#include <shared.h>
#include <format.h>
#include <i18n.h>
extern Context context;
////////////////////////////////////////////////////////////////////////////////
CmdGet::CmdGet ()
{
_keyword = "_get";
_usage = "task _get <DOM> [<DOM> ...]";
_description = STRING_CMD_GET_USAGE;
_read_only = true;
_displays_id = false;
_needs_gc = false;
_uses_context = false;
_accepts_filter = false;
_accepts_modifications = false;
_accepts_miscellaneous = true;
_category = Command::Category::internal;
}
////////////////////////////////////////////////////////////////////////////////
// Rely on the Lexer to correctly identify DOM references, then jsut iterate
// over those.
//
// It is an error to specify no DOM references.
// It is not an error for a DOM reference to resolve to a blank value.
int CmdGet::execute (std::string& output)
{
std::vector <std::string> results;
for (auto& arg : context.cli2._args)
{
switch (arg._lextype)
{
case Lexer::Type::dom:
{
Task t;
Variant result;
if (getDOM (arg.attribute ("raw"), t, result))
results.push_back ((std::string) result);
else
results.push_back ("");
}
break;
// Look for non-refs to complain about.
case Lexer::Type::word:
case Lexer::Type::identifier:
if (! arg.hasTag ("BINARY") &&
! arg.hasTag ("CMD"))
throw format (STRING_CMD_GET_BAD_REF, arg.attribute ("raw"));
default:
break;
}
}
if (results.size () == 0)
throw std::string (STRING_CMD_GET_NO_DOM);
output = join (" ", results);
output += '\n';
return 0;
}
////////////////////////////////////////////////////////////////////////////////