Subversion Repositories spk

/*

  defines bod_text_parser - class that can parse bod syntax at general level

*/

#ifndef BOD_TEXT_PARSER_INCLUDED

#define BOD_TEXT_PARSER_INCLUDED

#include "../common/ext_list.h"

class bod_text_parser

{

	public:

		struct token

		{

			enum Type{

				t_openBracket,

				t_closeBracket,

				t_semicolon,

				t_colon,

				t_openInstrBlock,

				t_closeInstrBlock,

				t_text,

				t_hdrinfo,

			};

			static const char* specialChars[];

			static char tabWidth;

			const char *text;

			int line;

			short col;

			Type type;

			token() { text=0; tabWidth=4; }

			token(const token& t) { text=t.text; line=t.line; col=t.col; type=t.type; }

			virtual ~token() { }

			const char* getText() const;

		};

	private:

		//size_t m_lastCharPos;

		size_t m_lastPos;

		size_t m_newPos;

		const char *m_pszBuffer;

		size_t m_buffLen;

		int m_lineIdx;

		bool m_ignoreRemarks;

		//size_t parseLines(char *buffer, size_t size, char ***array_ptr);

		void parseLine(char *line, int idx);

	public:

		char * nextLine(); // public because of use in x3objects which is hack anyway

	public:

		typedef ext::list<token*> TokenList;

		typedef TokenList::iterator iterator;

		TokenList tokens;

		bod_text_parser() 

		{ 

			tabWidth(4);

			/*m_lastCharPos=0;*/ 

			m_lastPos=0; m_newPos=0;

			m_pszBuffer=0;

			m_buffLen=0;

			m_lineIdx=0;

			m_ignoreRemarks=false;

		}

		bool eof() const { /*return m_lastCharPos>=m_buffLen;*/ return m_lastPos >= m_buffLen; }

		void tabWidth(int width) { token::tabWidth=width; }

		int tabWidth() const { return token::tabWidth; }

		bool ignoreRemarks() const { return m_ignoreRemarks; }

		void ignoreRemarks(bool ignore) { m_ignoreRemarks=ignore; }

		void preParseBuffer(char *pszBuffer, size_t size);

		size_t parseBuffer(size_t limit=-1);

};

#endif // !defined(BOD_TEXT_PARSER_INCLUDED)