#include "librtf.h"
#include <stdio.h>

int main( )
{
	source my_src;
	FILE * stream;

	stream = fopen( "/path/to/rtf/file.rtf", "r");
	rtf_src_stream_init( &my_src, stream );

	 // now my_src is reading from stream

	rtf_src_stream_free( &my_src, stream );
	fclose(stream);
}
	

#include "librtf.h"
#include <stdlib.h>

int main( )
{
	observer my_logger;

	rtf_log_stream_init( &my_src, stderr, stderr> );

	 // now all errors and warnings writen to my_logger are redirected to stderr> 

	rtf_log_stream_free( &my_src, stream );
}
	

typedef struct  __processor
{
	Pointer to object which can be accessed from __processor \
		pointer which is passed to every following function call. 
	void		* object;
	
	// add attribute to last block 
	void (* attr_push)(struct __processor *, int attr, int param );

	// remove last attribute from last last block if it is equal to attr
	int (* attr_pop)(struct __processor *, int attr);

	// add new block
	void (* attrstack_push)(struct __processor *);

	// remove last block and rollback all attributes
	void (* attrstack_drop) (struct __processor *);

	// clear last block without rollingback attributes
	void (* attr_drop_all) (struct __processor *);

	// rollback all attributes from last block and removes all attributes from last block
	void (* attr_pop_all) (struct __processor *);

	// rollback all attributes from last block without removing them
	void (* attr_pop_dump) (struct __processor *);

	// remove all possible attribues from last block 
	void (* attr_remove ) (struct __processor *, int * tab, int size );

	// push attributes from registred style
	void (* attr_push_style ) (struct __processor *, enum TextStyleType type, int id );

	// Begin of document. 
	void (* begin) (struct __processor *);
	// End of document. 
	void (* end) (struct __processor *);

	// Title. 
	void (* title) (struct __processor *, const char * );
	// Keywords 
	void (* keywords) (struct __processor *, const char * );
	// Autors, separated by ',' (???) 
	void (* author) (struct __processor *, const char * );
	// Number of words, characters etc in document. 
	void (* summary) (struct __processor *, enum document_summary type, int param ); 

	// Base path for hyperlinks. 
	void (* hyperlink_base) (struct __processor *, const char * url );

	// Not used.
	void (* font_smaller_begin ) ( struct __processor * );
	// Not used. 
	void (* font_smaller_end ) ( struct __processor * );

	// Not used. 
	char* (* translate_char) (struct __processor *, int );

	// Main function called each time when text is processed. 
	void (*print) ( struct __processor * , const char * );
	// Symbol character. 
	void (*print_symbol) ( struct __processor *, const char * );
	// Space character. 
	void (*print_forced_space) ( struct __processor * );
	// Unicore character. Return 0 if unicde support is not available. 
	int  (*print_unicode) (struct __processor *, int );
	// Link 
	void (*hyperlink) ( struct __processor *, const char * );
	// Special character, see special characters here <- TODO link needed. 
	void (*print_char) ( struct __processor *, enum special_char );

	// Begining of table. 
	void (*table_begin) ( struct __processor *);
	// End of table. 
	void (*table_end) ( struct __processor *);
	// Begining of new cell in row. 
	void (*table_cell_begin) ( struct __processor *);
	// End of current cell in row. 
	void (*table_cell_end) ( struct __processor *);
	// Begining of new row in table. 
	void (*table_row_begin) (struct __processor *);
	// End of current row in table. 
	void (*table_row_end) (struct __processor *);

	// Begining of image. Return NULL or object where image will be stored. 
	image_mgr * (*image_begin) ( struct __processor *, const image_descr * );
	// End of image data. Image might be displayed. 
	void (*image_end) ( struct __processor *, image_mgr * );
	
	// Changing of charset. 
	void (* charset) (struct __processor *, int charset_id );
	// Changing of codepage.
	void (* codepage) (struct __processor *, int cp_id );
	
	// Registring font. id is passed to attribute functions with FONT attribute as param. 
	void (* register_font ) (struct __processor *, int id, const char * font_name );
	// Registring of color. 
	void (* register_color ) (struct __processor *, unsigned char r, unsigned char g, unsigned char b );
	// Registring of style. 
	void (* register_style ) (struct __processor *, const TextStyle * style );

} processor;