/*
 * This file is a part of CMSLU -- Content Management System like Unix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2009, Tomasz Sowa
 * All rights reserved.
 * 
 */

#ifndef headerfilecmslucorepostmultiparser
#define headerfilecmslucorepostmultiparser

#include <string>
#include <fcgiapp.h>
#include <fstream>
#include "error.h"
#include "requesttypes.h"

// 2 MB
#define CMSLU_POSTMULTI_INPUT_BUFFER  2097152
#define CMSLU_POSTMULTI_OUTPUT_BUFFER 2097152


class PostMultiParser
{

public:

	PostMultiParser();
	PostMultiParser(const PostMultiParser &);
	PostMultiParser & operator=(const PostMultiParser &);
	~PostMultiParser();

	Error Parse(FCGX_Stream * in_, PostTable & post_table_, PostFileTable & post_file_table_);

private:

	FCGX_Stream * in;
	unsigned char * in_buffer;
	std::ofstream tmp_file;
	std::string tmp_filename;
	int tmp_filename_postfix;
	size_t in_buffer_ind;
	size_t in_buffer_len;

	PostTable * post_table;
	PostFileTable * post_file_table;

	int last; // last read character

	bool line_end_dos;
	std::string boundary;
	std::string content;
	size_t content_len;

	std::string header_name, header_value;
	Error err;

	std::string name, filename;
	PostFile post_file_temp;

	void LogFirst(const std::string & to_log, size_t len);

	bool IsWhite(int c);
	void SkipWhite();

	void AddNormalPostVar();
	void AddFilePostVar();
	void AddPostVar();

	void ReadBoundary();

	bool IsHeader();
	void ReadHeaderName();
	void ReadHeaderValue();
	void ReadPartHeader();

	void CreateTmpFile();
	bool HasBoundary();
	void ReadContentSkipBoundary(bool has_boundary);
	void ReadContentToFileLoop();
	void ReadContentToFile();
	void ReadContentLoop();
	void ReadContent();
	void CheckBoundaryEnd();
	void ReadPart();

	void ReadChar();

};


#endif