mirror of
https://github.com/GothenburgBitFactory/taskwarrior.git
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97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2006 - 2021, 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 <cmake.h>
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#include <CmdUnique.h>
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#include <string>
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#include <set>
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#include <Context.h>
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#include <Filter.h>
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#include <format.h>
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////////////////////////////////////////////////////////////////////////////////
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CmdUnique::CmdUnique ()
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{
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_keyword = "_unique";
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_usage = "task <filter> _unique <attribute>";
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_description = "Generates lists of unique attribute values";
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_read_only = true;
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_displays_id = true;
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_needs_gc = true;
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_uses_context = false;
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_accepts_filter = true;
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_accepts_modifications = false;
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_accepts_miscellaneous = true;
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_category = Command::Category::internal;
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}
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////////////////////////////////////////////////////////////////////////////////
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int CmdUnique::execute (std::string& output)
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{
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// Apply filter.
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Filter filter;
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filter.disableSafety ();
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std::vector <Task> filtered;
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filter.subset (filtered);
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// Find <attribute>.
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std::string attribute {};
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// Just the first arg.
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auto words = Context::getContext ().cli2.getWords ();
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if (words.size () == 0)
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throw std::string ("An attribute must be specified. See 'task _columns'.");
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attribute = words[0];
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std::string canonical;
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if (! Context::getContext ().cli2.canonicalize (canonical, "attribute", attribute))
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throw std::string ("You must specify an attribute or UDA.");
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// Find the unique set of matching tasks.
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std::set <std::string> values;
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for (auto& task : filtered)
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{
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if (task.has (canonical))
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{
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values.insert (task.get (canonical));
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}
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else if (canonical == "id" &&
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task.getStatus () != Task::deleted &&
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task.getStatus () != Task::completed)
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{
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values.insert (format (task.id));
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}
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}
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// Generate list of values.
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for (auto& value : values)
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output += value + '\n';
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Context::getContext ().headers.clear ();
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////
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