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libpsyc/include/psyc.h

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/**
* @file psyc.h
* @brief Main PSYC interface providing crucial functionality.
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*/
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/**
* @mainpage PSYC Core Library
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*
* @section intro_sec Introduction
*
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* Welcome to the libpsyc documentation!
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*
* @section install_sec Installation
*/
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// * @subsection step1 Step 1: Opening the box
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#ifndef PSYC_H
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#include <stdint.h>
#include <string.h>
#include <sys/types.h>
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#define PSYC_EPOCH 1440444041 // 2015-08-24 21:20:41 CET (Monday)
#define PSYC_C2STR(string) {sizeof(string)-1, string}
#define PSYC_C2ARG(string) string, sizeof(string)-1
typedef enum
{
PSYC_FALSE = 0,
PSYC_TRUE = 1,
} psycBool;
/**
* 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
{
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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;
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/**
* String struct.
*
* Contains pointer and length for a buffer.
*/
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typedef struct
{
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/// Length of the data pointed to by ptr
size_t length;
/// pointer to the data
const char *ptr;
} psycString;
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typedef struct
{
psycString name;
int value;
} psycMatchVar;
/**
* Shortcut for creating a psycString.
*
* @param memory Pointer to the buffer.
* @param length Length of that buffer.
*
* @return An instance of the psycString struct.
*/
static inline
psycString psyc_newString (const char *str, size_t slen)
{
psycString s = {slen, str};
return s;
}
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static inline
unsigned int psyc_version ()
{
return 1;
}
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/// Routing variables in alphabetical order.
extern const psycString psyc_routingVars[];
// Variable types in alphabetical order.
extern const psycMatchVar psyc_varTypes[];
extern const size_t psyc_routingVarsNum;
extern const size_t psyc_varTypesNum;
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/**
* Is this a routing variable name?
*/
psycBool psyc_isRoutingVar(psycString *name);
/**
* Is this a routing variable name?
*/
psycBool psyc_isRoutingVar2(const char *name, size_t len);
/**
* Get the type of variable name.
*/
psycType psyc_getVarType(psycString *name);
/**
* Get the type of variable name.
*/
psycType psyc_getVarType2(const char *name, size_t len);
/**
* Is this a list variable name?
*/
static inline
psycBool psyc_isListVar2(const char *name, size_t len)
{
return len < 5 || memcmp(name, "_list", 5) != 0 ||
(len > 5 && name[5] != '_') ? PSYC_FALSE : PSYC_TRUE;
}
/**
* Is this a list variable name?
*/
static inline
psycBool psyc_isListVar(psycString *name)
{
return psyc_isListVar2(name->ptr, name->length);
}
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/**
* Checks if long keyword string inherits from short keyword string.
*/
int psyc_inherits(char *sho, size_t slen,
char *lon, size_t llen);
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/**
* Checks if short keyword string matches long keyword string.
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*/
int psyc_matches(char *sho, size_t slen,
char *lon, size_t llen);
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#define PSYC_H
#endif