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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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*/
/** @mainpage PSYC Core Library
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*
* @section intro_sec Introduction
*
* This is the introduction.
*
* @section install_sec Installation
*
* @subsection step1 Step 1: Opening the box
*
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* etc...
*/
#ifndef PSYC_H
# define PSYC_H
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#include <stdint.h>
#include <string.h>
#define PSYC_EPOCH 1440444041 // 2015-08-24 21:20:41 CET (Monday)
typedef enum
{
PSYC_FALSE = 0,
PSYC_TRUE = 1,
} PSYC_Bool;
/**
* 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_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,
} PSYC_Type;
/**
* Get the type of variable name.
*/
PSYC_Type PSYC_getVarType(char* name, size_t len);
/**
* Get the type of variable name.
*/
PSYC_Bool PSYC_isRoutingVar(char* name, size_t len);
/**
* Checks if short keyword string matches long keyword string.
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*/
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int PSYC_matches(char* sho, size_t slen,
char* lon, size_t llen);
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/**
* Callback for PSYC_text() that produces a value for a match.
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*
* The application looks up a match such as _fruit from [_fruit] and
* if found writes its current value from its variable store into the
* outgoing buffer.. "Apple" for example. The template returns the
* number of bytes written. 0 is a legal return value. Should the
* callback return -1, PSYC_text leaves the original template text as is.
*/
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typedef int (*PSYC_textCB)(uint8_t* match, size_t mlen,
uint8_t** buffer, size_t * blen);
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/**
* Fills out text templates by asking a callback for content.
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*
* Copies the contents of the template into the buffer while looking
* for braceOpen and braceClose strings and calling the callback for
* each enclosed string between these braces. Should the callback
* return -1, the original template text is copied as is.
*
* By default PSYC's "[" and "]" are used but you can provide any other
* brace strings such as "${" and "}" or "<!--" and "-->".
*
* See also http://about.psyc.eu/psyctext
*/
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int PSYC_text(uint8_t* template, size_t tlen,
uint8_t** buffer, size_t * blen,
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PSYC_textCB lookupValue,
char* braceOpen, char* braceClose);
#endif // PSYC_H