96 lines
4.2 KiB
C++
96 lines
4.2 KiB
C++
/**************************************************************************************/
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/* */
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/* Visualization Library */
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/* http://visualizationlibrary.org */
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/* */
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/* Copyright (c) 2005-2020, Michele Bosi */
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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 modification, */
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/* are permitted provided that the following conditions are met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, this */
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/* list of conditions and the following disclaimer. */
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/* */
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/* - Redistributions in binary form must reproduce the above copyright notice, this */
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/* list of conditions and the following disclaimer in the documentation and/or */
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/* other materials provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
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/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
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/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
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/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY 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 THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/**************************************************************************************/
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#ifndef VLTTokenizer_INCLUDE_ONCE
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#define VLTTokenizer_INCLUDE_ONCE
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#include <vlX/link_config.hpp>
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#include <vlCore/BufferedStream.hpp>
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namespace vlX
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{
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/** A token of information as defined by VLT specification. */
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class VLTToken
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{
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public:
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typedef enum
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{
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TOKEN_ERROR,
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TOKEN_EOF,
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LeftRoundBracket, // (
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RightRoundBracket, // )
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LeftSquareBracket, // [
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RightSquareBracket, // ]
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LeftCurlyBracket, // {
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RightCurlyBracket, // }
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LeftFancyBracket, // {<
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RightFancyBracket, // >}
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Equals, // =
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String, // "nel mezzo del cammin di nostra vita\n"
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ID, // #unique_id123
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Identifier, // Identifier_123
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Boolean, // true | false
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Integer, // +123
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real, // +123.456e+10
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TagHeader, // <TagHeader>
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RawtextBlock, // {< blabla >}
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} EType;
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VLTToken(): mType(TOKEN_ERROR) {}
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std::string mString;
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EType mType;
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};
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//-----------------------------------------------------------------------------
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/** Tokenizer used to parse VLT files. */
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class VLTTokenizer: public vl::BufferedStream<char, 128*1024>
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{
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VL_INSTRUMENT_CLASS(vl::VLTTokenizer, VL_GROUP(vl::BufferedStream<char, 128*1024>))
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public:
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VLTTokenizer(): mLineNumber(1), mRawtextBlock(false) {}
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VLX_EXPORT bool getToken(VLTToken& token);
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VLX_EXPORT bool getRawtextBlock(VLTToken& token);
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int lineNumber() const { return mLineNumber; }
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private:
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int mLineNumber;
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bool mRawtextBlock;
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};
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}
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#endif
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