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58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#ifndef CSM_FILTER_PARSER_H
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#define CSM_FILTER_PARSER_H
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#include "node.hpp"
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namespace CSMWorld
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{
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class Data;
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}
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namespace CSMFilter
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{
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struct Token;
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class Parser
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{
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std::shared_ptr<Node> mFilter;
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std::string mInput;
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int mIndex;
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bool mError;
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const CSMWorld::Data& mData;
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Token getStringToken();
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Token getNumberToken();
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Token getNextToken();
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Token checkKeywords (const Token& token);
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///< Turn string token into keyword token, if possible.
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std::shared_ptr<Node> parseImp (bool allowEmpty = false, bool ignoreOneShot = false);
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///< Will return a null-pointer, if there is nothing more to parse.
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std::shared_ptr<Node> parseNAry (const Token& keyword);
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std::shared_ptr<Node> parseText();
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std::shared_ptr<Node> parseValue();
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void error();
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public:
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Parser (const CSMWorld::Data& data);
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bool parse (const std::string& filter, bool allowPredefined = true);
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///< Discards any previous calls to parse
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///
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/// \return Success?
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std::shared_ptr<Node> getFilter() const;
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///< Throws an exception if the last call to parse did not return true.
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};
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}
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#endif
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