50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
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/*
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* QueryParser.h
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*
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* Created on: 2015-4-11
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* Author: cjq
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*/
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#ifndef QUERYPARSER_H_
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#define QUERYPARSER_H_
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#include "../Util/Util.h"
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#include "../Query/QueryTree.h"
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#include "SparqlParser.h"
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#include "SparqlLexer.h"
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class QueryParser{
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private:
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std::map<std::string,std::string> _prefix_map;
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int printNode(pANTLR3_BASE_TREE node,int dep = 0);
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void parseTree(pANTLR3_BASE_TREE node, QueryTree& querytree);
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void parsePrologue(pANTLR3_BASE_TREE node);
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void parsePrefix(pANTLR3_BASE_TREE node);
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void replacePrefix(std::string& str);
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void parseSelectClause(pANTLR3_BASE_TREE node, QueryTree& querytree);
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void parseSelectVar(pANTLR3_BASE_TREE node, QueryTree& querytree);
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void parseGroupPattern(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup);
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void parsePattern(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup);
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void parseOptionalOrMinus(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup);
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void parseUnion(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup);
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void parseFilter(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup);
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void parseFilterTree(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup, QueryTree::FilterTree& filter);
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void parseVarInExpressionList(pANTLR3_BASE_TREE node, QueryTree::FilterTree& filter, unsigned int begin);
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void parseExistsGroupPattern(pANTLR3_BASE_TREE node, QueryTree::PatternGroup& patterngroup, QueryTree::FilterTree& filter);
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void parseOrderBy(pANTLR3_BASE_TREE node, QueryTree& querytree);
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void parseString(pANTLR3_BASE_TREE node, std::string& str, int dep);
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void printQuery(QueryTree& querytree);
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void printPatternGroup(QueryTree::PatternGroup &patterngroup, int dep = 0);
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void printFilter(std::vector<QueryTree::PatternGroup> &exist_patterngroups, QueryTree::FilterTree &filter, int dep);
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public:
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QueryParser();
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void sparqlParser(const std::string& query, QueryTree& querytree);
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};
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#endif /* QUERYPARSER_H_ */
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