mirror of
https://github.com/GothenburgBitFactory/taskwarrior.git
synced 2025-07-07 20:06:36 +02:00
ed8454c202
- Implemented sequence --> infix converter. - Added new Lexer code. - Added Lexer unit tests.
84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// taskwarrior - a command line task list manager.
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//
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// Copyright 2011, Paul Beckingham, Federico Hernandez.
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// All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free Software
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// Foundation; either version 2 of the License, or (at your option) any later
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// version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program; if not, write to the
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//
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// Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor,
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// Boston, MA
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// 02110-1301
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// USA
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//
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////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDED_LEXER
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#define INCLUDED_LEXER
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#include <vector>
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#include <string>
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class Lexer
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{
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public:
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Lexer (const std::string&);
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void tokenize (std::vector <std::string>&);
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void categorizeAsAlpha (char);
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void ignoreAsAlpha (char);
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void setAlpha (const std::string&);
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void categorizeAsDigit (char);
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void ignoreAsDigit (char);
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void setDigit (const std::string&);
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void categorizeAsQuote (char);
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void ignoreAsQuote (char);
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void setQuote (const std::string&);
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void categorizeAsWhite (char);
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void ignoreAsWhite (char);
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void setWhite (const std::string&);
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void coalesceAlpha (bool);
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void coalesceDigits (bool);
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void coalesceQuoted (bool);
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void coalesceWhite (bool);
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void skipWhitespace (bool);
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void specialToken (const std::string&);
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private:
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int classify (char);
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std::string mInput;
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std::string mAlpha;
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std::string mDigit;
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std::string mQuote;
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std::string mWhite;
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bool mAlphaCoalesce;
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bool mDigitCoalesce;
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bool mQuotedCoalesce;
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bool mWhiteCoalesce;
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bool mSkipWhitespace;
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std::vector <std::string> mSpecialTokens;
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};
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#endif
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////////////////////////////////////////////////////////////////////////////////
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