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76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/**
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MultiMarkdown 6 -- Lightweight markup processor to produce HTML, LaTeX, and more.
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@file lexer.h
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@brief Description of the regular expressions used to define tokens,
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used by re2c to create a lexer/tokenizer.
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@author Fletcher T. Penney
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@bug
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**/
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/*
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Copyright © 2016 - 2017 Fletcher T. Penney.
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The `MultiMarkdown 6` project is released under the MIT License..
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GLibFacade.c and GLibFacade.h are from the MultiMarkdown v4 project:
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https://github.com/fletcher/MultiMarkdown-4/
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MMD 4 is released under both the MIT License and GPL.
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CuTest is released under the zlib/libpng license. See CuTest.c for the text
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of the license.
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## The MIT License ##
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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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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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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 THE
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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
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THE SOFTWARE.
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*/
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/// Re2c scanner data -- this structure is used by the re2c
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/// lexer to track progress and offsets within the source
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/// string. They can be used to create "tokens" that match
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/// sections of the text with an abstract syntax tree.
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struct Scanner {
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const char * start; //!< Start of current token
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const char * cur; //!< Character currently being matched
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const char * ptr; //!< Used for backtracking by re2c
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const char * ctx;
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};
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typedef struct Scanner Scanner;
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/// Scan for the next token
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int scan(
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Scanner * s, //!< Pointer to Scanner state structure
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const char * stop //!< Pointer to position in string at which to stop parsing
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);
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