#include "CLucene/StdHeader.h"
#ifndef _lucene_queryParser_QueryParserBase_
#define _lucene_queryParser_QueryParserBase_

#include "CLucene/search/BooleanClause.h"
#include "CLucene/util/VoidList.h"
#include "CLucene/analysis/AnalysisHeader.h"
#include "CLucene/analysis/Analyzers.h"
#include "CLucene/index/Term.h"
#include "CLucene/search/TermQuery.h"
#include "CLucene/search/PhraseQuery.h"
#include "CLucene/search/RangeQuery.h"

using namespace lucene::search;
using namespace lucene::util;
using namespace lucene::analysis;
using namespace lucene::index;
namespace lucene{ namespace queryParser{
	// Contains routines that used by QueryParser.
	class QueryParserBase
	{
    protected:
		static const int_t CONJ_NONE   = 0;
		static const int_t CONJ_AND    = 1;
		static const int_t CONJ_OR     = 2;

		static const int_t MOD_NONE    = 0;
		static const int_t MOD_NOT     = 10;
		static const int_t MOD_REQ     = 11;

    public:
		int_t PhraseSlop; //0


		QueryParserBase();
		~QueryParserBase();

		
		static void throwParserException(const char_t* message, char_t ch, int_t col, int_t line );

    protected:
		// Adds the next parsed clause.
		void AddClause(VoidList<BooleanClause*>& clauses, int_t conj, int_t mods, Query* q);

		// Returns a query for the specified field.
		Query* GetFieldQuery(const char_t* field, Analyzer& analyzer, const char_t* queryText);

		// Returns a range query.
		Query* GetRangeQuery(const char_t* field, Analyzer& analyzer, const char_t* queryText, bool inclusive);
	};
}}
#endif