105 lines
4.4 KiB
C++
105 lines
4.4 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 VLXParser_INCLUDE_ONCE
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#define VLXParser_INCLUDE_ONCE
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#include <vlCore/BufferedStream.hpp>
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#include <vlX/Linker.hpp>
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namespace vlX
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{
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/** Base class for VLX parsers. */
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class Parser: public vl::Object
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{
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VL_INSTRUMENT_ABSTRACT_CLASS(vlX::Parser, vl::Object)
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public:
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virtual bool parseHeader() = 0;
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virtual bool parse() = 0;
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//! Links the
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bool link()
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{
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Linker linker;
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for(size_t i=0; i<mStructures.size(); ++i)
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linker.add(mStructures[i].get());
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return linker.link();
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}
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//! Moves the <Metadata> key/value pairs in the Metadata map for quick and easy access and removes the <Metadata> structure.
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void parseMetadata()
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{
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mMetadata.clear();
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for(size_t i=0; i<mStructures.size(); ++i)
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{
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if (mStructures[i]->tag() == "<Metadata>")
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{
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const VLXStructure* st = mStructures[i].get();
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for(size_t ikey=0; ikey<st->value().size(); ++ikey)
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mMetadata[st->value()[ikey].key()] = st->value()[ikey].value();
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mStructures.erase( mStructures.begin() + i );
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}
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}
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}
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//! The imported structures.
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std::vector< vl::ref<VLXStructure> >& structures() { return mStructures; }
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//! The imported structures.
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const std::vector< vl::ref<VLXStructure> >& structures() const { return mStructures; }
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//! The imported metadata.
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const std::map< std::string, VLXValue >& metadata() const { return mMetadata; }
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//! The encoding used to encode strings.
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const std::string& encoding() const { return mEncoding; }
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//! The VLX language version.
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unsigned short version() const { return mVersion;}
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protected:
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std::string mEncoding;
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unsigned short mVersion;
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std::vector< vl::ref<VLXStructure> > mStructures;
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std::map< std::string, VLXValue > mMetadata;
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};
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}
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#endif
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