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psyc://psyced.org/~lynX 2011-04-20 15:37:38 +02:00
commit 71dc5a7dad

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@ -1,14 +1,15 @@
/**
* @file psyc/parser.h
* @brief Interface for various psyc parser functions
* @brief Interface for various psyc parser functions.
*
* All parsing functions and the definitions they use are
* defined in this file.
*/
/** @defgroup parsing Parsing Functions
/**
* @defgroup parsing Parsing Functions
*
* This module contains all parsing functions
* This module contains all parsing functions.
* @{
*/
@ -18,7 +19,8 @@
#include <stdint.h>
#include <string.h>
/** Different types that a variable can have
/**
* Different types that a variable can have.
*
* This enum lists PSYC variable types that
* this library is capable of checking for
@ -45,7 +47,8 @@ enum PSYC_Flags
PSYC_HEADER_ONLY = 1,
};
/** The return value definitions for packet parsing function
/**
* The return value definitions for the packet parsing function.
* @see PSYC_parse()
*/
enum PSYC_ReturnCodes
@ -69,6 +72,10 @@ enum PSYC_ReturnCodes
PSYC_INCOMPLETE = 9,
};
/**
* The return value definitions for the list parsing function.
* @see PSYC_parseList()
*/
enum PSYC_ListReturnCodes
{
PSYC_ERROR_LIST_DELIM = -5,
@ -81,6 +88,9 @@ enum PSYC_ListReturnCodes
PSYC_LIST_INCOMPLETE = 3,
};
/**
* PSYC packet parts.
*/
enum PSYC_Parts
{
PSYC_PART_RESET = -1,
@ -92,6 +102,10 @@ enum PSYC_Parts
PSYC_PART_END,
};
/**
* List types.
* Possible types are text and binary.
*/
enum PSYC_ListTypes
{
PSYC_LIST_TEXT = 1,
@ -104,7 +118,9 @@ typedef struct
const uint8_t * ptr;
} PSYC_Array;
/**
* Struct for keeping parser state.
*/
typedef struct
{
size_t cursor; ///< current position in buffer
@ -120,6 +136,9 @@ typedef struct
size_t valueLength; ///< expected length of the value
} PSYC_State;
/**
* Struct for keeping list parser state.
*/
typedef struct
{
size_t cursor; ///< current position in buffer
@ -197,7 +216,8 @@ inline size_t PSYC_getContentLength (PSYC_State* s)
#endif
/** Parse PSYC packets.
/**
* Parse PSYC packets.
*
* Generalized line-based packet parser.
*
@ -214,11 +234,12 @@ inline size_t PSYC_getContentLength (PSYC_State* s)
* @see PSYC_State
* @see PSYC_Array
*/
PSYC_ReturnCodes PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value);
int PSYC_parse(PSYC_State* state, uint8_t* modifier, PSYC_Array* name, PSYC_Array* value);
/**
* List value parser.
* @return see PSYC_ListReturnCodes.
* @return one of PSYC_ReturnCodes
* @see PSYC_ListReturnCodes
*/
int PSYC_parseList(PSYC_ListState* state, PSYC_Array *name, PSYC_Array* value, PSYC_Array* elem);