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https://github.com/GothenburgBitFactory/taskwarrior.git
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aeeec16984
This centralizes updates to recurrence and 'until' in Command, instead of doing so in each individual command implementation. This is preparatory to opening the TaskChampion replica in read-only mode.
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// https://www.opensource.org/licenses/mit-license.php
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <CmdCalc.h>
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#include <Context.h>
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#include <Eval.h>
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#include <Filter.h>
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////////////////////////////////////////////////////////////////////////////////
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CmdCalc::CmdCalc() {
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_keyword = "calc";
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_usage = "task calc <expression>";
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_description = "Calculator";
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_read_only = true;
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_displays_id = false;
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_needs_gc = false;
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_needs_recur_update = false;
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_uses_context = false;
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_accepts_filter = false;
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_accepts_modifications = false;
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_accepts_miscellaneous = true;
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_category = Command::Category::misc;
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}
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////////////////////////////////////////////////////////////////////////////////
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int CmdCalc::execute(std::string& output) {
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// Configurable infix/postfix
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bool infix{true};
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if (Context::getContext().config.get("expressions") == "postfix") infix = false;
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// Create an evaluator with DOM access.
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Eval e;
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e.addSource(domSource);
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e.debug(Context::getContext().config.getBoolean("debug"));
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// Compile all the args into one expression.
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std::string expression;
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for (const auto& word : Context::getContext().cli2.getWords()) expression += word + ' ';
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// Evaluate according to preference.
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Variant result;
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if (infix)
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e.evaluateInfixExpression(expression, result);
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else
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e.evaluatePostfixExpression(expression, result);
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output = (std::string)result + '\n';
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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