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libpsyc/include/psyc.h
2011-11-09 19:01:05 +01:00

171 lines
3.6 KiB
C

/**
* @file psyc.h
* @brief Main PSYC interface providing crucial functionality.
*/
/**
* @mainpage PSYC Core Library
*
* @section intro_sec Introduction
*
* Welcome to the libpsyc documentation!
*
* @section install_sec Installation
*/
// * @subsection step1 Step 1: Opening the box
#ifndef PSYC_H
#include <stdint.h>
#include <string.h>
#include <sys/types.h>
#define PSYC_VERSION 1
#define PSYC_EPOCH 1440444041 // 2015-08-24 21:20:41 CET (Monday)
#define PSYC_C2STR(str) (PsycString) {sizeof(str)-1, str}
#define PSYC_C2STRI(str) {sizeof(str)-1, str}
#define PSYC_C2ARG(str) str, sizeof(str)-1
#define PSYC_C2ARG2(str) sizeof(str)-1, str
#define PSYC_S2ARG(str) (str).data, (str).length
#define PSYC_S2ARG2(str) (str).length, (str).data
#define PSYC_NUM_ELEM(a) (sizeof(a) / sizeof(*(a)))
/// Boolean: true/false, yes/no.
typedef enum
{
PSYC_FALSE = 0,
PSYC_TRUE = 1,
PSYC_NO = 0,
PSYC_YES = 1,
} PsycBool;
/// Return code: OK/error.
typedef enum
{
PSYC_OK = 1,
PSYC_ERROR = -1,
} PsycRC;
/// PSYC packet parts.
typedef enum
{
PSYC_PART_RESET = -1,
PSYC_PART_ROUTING = 0,
PSYC_PART_LENGTH = 1,
PSYC_PART_CONTENT = 2,
PSYC_PART_METHOD = 3,
PSYC_PART_DATA = 4,
PSYC_PART_END = 5,
} PsycPart;
/**
* Different types that a variable can have.
*
* This enum lists PSYC variable types that
* this library is capable of checking for
* validity. Other variable types are treated
* as opaque data.
*/
typedef enum
{
PSYC_TYPE_UNKNOWN,
PSYC_TYPE_AMOUNT,
PSYC_TYPE_COLOR,
PSYC_TYPE_DATE,
PSYC_TYPE_DEGREE,
PSYC_TYPE_ENTITY,
PSYC_TYPE_FLAG,
PSYC_TYPE_LANGUAGE,
PSYC_TYPE_LIST,
PSYC_TYPE_NICK,
PSYC_TYPE_PAGE,
PSYC_TYPE_UNIFORM,
PSYC_TYPE_TIME,
} PsycType;
/**
* List types.
* Possible types are text and binary.
*/
typedef enum
{
PSYC_LIST_TEXT = 1,
PSYC_LIST_BINARY = 2,
} PsycListType;
/**
* String struct.
*
* Contains pointer and length for a buffer.
*/
typedef struct
{
/// Length of the data pointed to by ptr
size_t length;
/// pointer to the data
char *data;
} PsycString;
typedef struct
{
PsycString key;
void *value;
} PsycDict;
typedef struct
{
PsycString key;
intptr_t value;
} PsycDictInt;
/**
* Checks if long keyword string inherits from short keyword string.
*/
int psyc_inherits (char *sho, size_t slen,
char *lon, size_t llen);
/**
* Checks if short keyword string matches long keyword string.
*/
int psyc_matches (char *sho, size_t slen,
char *lon, size_t llen);
/**
* Look up value associated with a key in a dictionary.
*
* @param dict The dictionary to search, should be ordered alphabetically.
* @param size Size of dict.
* @param key Key to look for.
* @param keylen Length of key.
* @param inherit If true, also look for anything inheriting from key,
otherwise only exact matches are returned.
* @param tmp A temporary array used for keeping track of results.
* Should be the same size as dict.
*
* @return The value of the entry if found, or NULL if not found.
*/
void * psyc_dict_lookup (const PsycDict *dict, size_t size,
const char *key, size_t keylen,
PsycBool inherit, int8_t *tmp);
/**
* Look up value associated with a key in a dictionary of integers.
* @see psyc_dict_lookup
*/
static inline
intptr_t psyc_dict_lookup_int (const PsycDictInt *dict, size_t size,
const char *key, size_t keylen,
PsycBool inherit, int8_t *tmp)
{
return (intptr_t) psyc_dict_lookup((PsycDict *)dict, size, key, keylen, inherit, tmp);
}
#include "psyc/variable.h"
#define PSYC_H
#endif