mirror of
https://github.com/GothenburgBitFactory/timewarrior.git
synced 2025-07-07 20:06:39 +02:00
96 lines
4.1 KiB
C++
96 lines
4.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright 2013 - 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
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDED_LEXER
|
|
#define INCLUDED_LEXER
|
|
|
|
#include <string>
|
|
#include <map>
|
|
#include <vector>
|
|
#include <tuple>
|
|
#include <cstddef>
|
|
|
|
class Lexer
|
|
{
|
|
public:
|
|
// These are overridable.
|
|
static std::string dateFormat;
|
|
|
|
enum class Type { uuid, number, hex,
|
|
string,
|
|
url,
|
|
path,
|
|
pattern,
|
|
op,
|
|
word,
|
|
date, duration };
|
|
|
|
explicit Lexer (const std::string&);
|
|
bool token (std::string&, Lexer::Type&);
|
|
static std::string typeToString (Lexer::Type);
|
|
|
|
// Static helpers.
|
|
static std::vector <std::tuple <std::string, Lexer::Type>> tokenize (const std::string&);
|
|
static const std::string typeName (const Lexer::Type&);
|
|
static bool isSingleCharOperator (int);
|
|
static bool isDoubleCharOperator (int, int, int);
|
|
static bool isTripleCharOperator (int, int, int, int);
|
|
static bool isBoundary (int, int);
|
|
static bool isHardBoundary (int, int);
|
|
static bool isPunctuation (int);
|
|
static bool wasQuoted (const std::string&);
|
|
static bool readWord (const std::string&, const std::string&, std::string::size_type&, std::string&);
|
|
static bool readWord (const std::string&, std::string::size_type&, std::string&);
|
|
static int hexToInt (int);
|
|
static int hexToInt (int, int);
|
|
static int hexToInt (int, int, int, int);
|
|
static std::string trimLeft (const std::string& in, const std::string& t = " ");
|
|
static std::string trimRight (const std::string& in, const std::string& t = " ");
|
|
static std::string trim (const std::string& in, const std::string& t = " ");
|
|
static std::string dequote (const std::string&, const std::string& quotes = "'\"");
|
|
|
|
// Stream Classifiers.
|
|
bool isEOS () const;
|
|
bool isString (std::string&, Lexer::Type&, const std::string&);
|
|
bool isDate (std::string&, Lexer::Type&);
|
|
bool isDuration (std::string&, Lexer::Type&);
|
|
bool isUUID (std::string&, Lexer::Type&, bool);
|
|
bool isNumber (std::string&, Lexer::Type&);
|
|
bool isInteger (std::string&, Lexer::Type&);
|
|
bool isHexNumber (std::string&, Lexer::Type&);
|
|
bool isURL (std::string&, Lexer::Type&);
|
|
bool isPath (std::string&, Lexer::Type&);
|
|
bool isPattern (std::string&, Lexer::Type&);
|
|
bool isOperator (std::string&, Lexer::Type&);
|
|
bool isWord (std::string&, Lexer::Type&);
|
|
|
|
private:
|
|
std::string _text {};
|
|
std::size_t _cursor {0};
|
|
std::size_t _eos {0};
|
|
};
|
|
|
|
#endif
|