libpsyc/include/psyc/parser.h

#include <stdint.h>
#include <string.h>

enum PSYC_Flags
{
	PSYC_HEADER_ONLY = 1
};


enum PSYC_ReturnCodes
{
	PSYC_SUCCESS = 0,
	PSYC_INSUFFICIENT = 1,
	PSYC_ROUTING = 2,
	PSYC_ENTITY = 3,
	PSYC_COMPLETE = 4,
	PSYC_HEADER_COMPLETE = 5, 
};


typedef struct 
{
	unsigned int length;
	const uint8_t * ptr;
} PSYC_Array;

typedef struct 
{
	unsigned int cursor;           // current position in buffer
	PSYC_Array buffer;
	uint8_t flags;

	char inHeader;
	unsigned int length;
	unsigned int contentLength;
} PSYC_State;


inline PSYC_Array PSYC_CreateArray (uint8_t* const memory, unsigned int length)
{
	PSYC_Array arr = {length, memory};

	return arr;
}

inline void PSYC_initState2 (PSYC_State* state, uint8_t flags )
{
	memset(state, 0, sizeof(PSYC_State));
	state->flags = flags;
}

inline void PSYC_initState (PSYC_State* state)
{
	memset(state, 0, sizeof(PSYC_State));
}

inline void PSYC_nextBuffer (PSYC_State* state, PSYC_Array newBuf)
{
	state->buffer = newBuf; 
}


inline int PSYC_parse(PSYC_State* state, 
               PSYC_Array* name, PSYC_Array* value, 
               uint8_t* modifier, unsigned long *expectedBytes);


inline unsigned int PSYC_getBodyLength (PSYC_State* state)
{
	return state->length;
}