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https://github.com/GothenburgBitFactory/taskwarrior.git
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c3f9d09d22
The detected command does not change once CLI2::analysis has been performed. Cache the value of the command to avoid the need to re-discover the correct value each time we're interested in it.
124 lines
4.5 KiB
C++
124 lines
4.5 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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#ifndef INCLUDED_CLI2
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#define INCLUDED_CLI2
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#include <string>
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#include <vector>
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#include <map>
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#include <unordered_map>
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#include <Lexer.h>
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#include <FS.h>
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// Represents a single argument.
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class A2
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{
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public:
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A2 (const std::string&, Lexer::Type);
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A2 (const A2&);
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A2& operator= (const A2&);
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bool hasTag (const std::string&) const;
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void tag (const std::string&);
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void unTag (const std::string&);
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void attribute (const std::string&, const std::string&);
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const std::string attribute (const std::string&) const;
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const std::string getToken () const;
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const std::string dump () const;
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void decompose ();
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public:
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Lexer::Type _lextype {Lexer::Type::word};
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std::vector <std::string> _tags {};
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std::map <std::string, std::string> _attributes {};
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};
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// Represents the command line.
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class CLI2
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{
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public:
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static int minimumMatchLength;
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static bool getOverride (int, const char**, File&);
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static bool getDataLocation (int, const char**, Path&);
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static void applyOverrides (int, const char**);
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public:
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CLI2 () = default;
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void alias (const std::string&, const std::string&);
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void entity (const std::string&, const std::string&);
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void add (const std::string&);
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void add (const std::vector <std::string>&, int offset = 0);
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void analyze ();
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void addFilter (const std::string& arg);
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void addModifications (const std::string& arg);
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void addContext (bool readable, bool writeable);
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void prepareFilter ();
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const std::vector <std::string> getWords ();
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bool canonicalize (std::string&, const std::string&, const std::string&);
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std::string getBinary () const;
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std::string getCommand (bool canonical = true) const;
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const std::string dump (const std::string& title = "CLI2 Parser") const;
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private:
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void handleArg0 ();
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void lexArguments ();
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void demotion ();
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void aliasExpansion ();
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void canonicalizeNames ();
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void categorizeArgs ();
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void parenthesizeOriginalFilter ();
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bool findCommand ();
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bool exactMatch (const std::string&, const std::string&) const;
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void desugarFilterTags ();
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void findStrayModifications ();
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void desugarFilterAttributes ();
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void desugarFilterPatterns ();
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void findIDs ();
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void findUUIDs ();
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void insertIDExpr ();
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void lexFilterArgs ();
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bool isEmptyParenExpression (std::vector<A2>::iterator it, bool forward = true) const;
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void desugarFilterPlainArgs ();
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void insertJunctions ();
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void defaultCommand ();
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std::vector <A2> lexExpression (const std::string&);
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public:
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std::multimap <std::string, std::string> _entities {};
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std::map <std::string, std::string> _aliases {};
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std::unordered_map <int, std::string> _canonical_cache {};
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std::vector <A2> _original_args {};
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std::vector <A2> _args {};
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std::vector <std::pair <std::string, std::string>> _id_ranges {};
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std::vector <std::string> _uuid_list {};
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std::string _command {""};
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bool _context_added {false};
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};
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#endif
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