mirror of https://gitlab.com/rnger/amath
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*-
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* Copyright (c) 2014-2018 Carsten Sonne Larsen <cs@innolan.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Project homepage:
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* https://amath.innolan.net
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*
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*/
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#ifndef AMATH_ANSI_CONSOLE_ENGINE
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#define AMATH_ANSI_CONSOLE_ENGINE
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/**
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* @file aengine.h
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* @brief ANSI Console Engine
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*/
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class CharBuffer;
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class CharValidator;
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/**
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* @brief ANSI console controller
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* @details
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* More info on the ANSI console is available at Wikipedia:
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* https://wikipedia.org/wiki/ANSI_escape_code
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*/
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class AnsiConoleEngine
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{
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public:
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AnsiConoleEngine(const char* prompt, CharValidator* validator);
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~AnsiConoleEngine();
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void StartInput();
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bool InputDone() const;
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const char* GetLine() const;
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void SetPrompt(const char* string);
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const char* ProcessChar(const unsigned char character);
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void Enable();
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void Disable();
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private:
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void CopyLine();
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void ShowLast();
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void ShowNext();
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char* prompt;
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bool enabled;
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static const int maxLines = 100;
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static const int lineSize = 1024;
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char** lines;
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CharBuffer* linebuf;
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CharValidator* validator;
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unsigned int len;
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char* cursor;
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char* endpos;
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int curline; // Index of last (current) line in buffer array
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int showline; // Index of line being shown in buffer array
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bool lineswap; // True if array swapped in progress
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char* editline; // Line being edited (will be next to copy to array)
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bool escmode;
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bool csimode;
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bool delmode;
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bool linedone;
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CharBuffer* out;
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};
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#endif
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