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/*
Author: José Bollo <jobol@nonadev.net>
https://gitlab.com/jobol/mustach
SPDX-License-Identifier: ISC
*/
#ifndef _mustach_jansson_h_included_
#define _mustach_jansson_h_included_
/*
* mustach-jansson is intended to make integration of jansson
* library by providing integrated functions.
*/
#include <jansson.h>
#include "mustach-wrap.h"
/**
* Wrap interface used internally by mustach jansson functions.
* Can be used for overriding behaviour.
*/
extern const struct mustach_wrap_itf mustach_jansson_wrap_itf;
/**
* mustach_jansson_file - Renders the mustache 'template' in 'file' for 'root'.
*
* @template: the template string to instantiate
* @length: length of the template or zero if unknown and template null terminated
* @root: the root json object to render
* @file: the file where to write the result
*
* Returns 0 in case of success, -1 with errno set in case of system error
* a other negative value in case of error.
*/
extern int mustach_jansson_file(const char *template, size_t length, json_t *root, int flags, FILE *file);
/**
* mustach_jansson_fd - Renders the mustache 'template' in 'fd' for 'root'.
*
* @template: the template string to instantiate
* @length: length of the template or zero if unknown and template null terminated
* @root: the root json object to render
* @fd: the file descriptor number where to write the result
*
* Returns 0 in case of success, -1 with errno set in case of system error
* a other negative value in case of error.
*/
extern int mustach_jansson_fd(const char *template, size_t length, json_t *root, int flags, int fd);
/**
* mustach_jansson_mem - Renders the mustache 'template' in 'result' for 'root'.
*
* @template: the template string to instantiate
* @length: length of the template or zero if unknown and template null terminated
* @root: the root json object to render
* @result: the pointer receiving the result when 0 is returned
* @size: the size of the returned result
*
* Returns 0 in case of success, -1 with errno set in case of system error
* a other negative value in case of error.
*/
extern int mustach_jansson_mem(const char *template, size_t length, json_t *root, int flags, char **result, size_t *size);
/**
* mustach_jansson_write - Renders the mustache 'template' for 'root' to custom writer 'writecb' with 'closure'.
*
* @template: the template string to instantiate
* @length: length of the template or zero if unknown and template null terminated
* @root: the root json object to render
* @writecb: the function that write values
* @closure: the closure for the write function
*
* Returns 0 in case of success, -1 with errno set in case of system error
* a other negative value in case of error.
*/
extern int mustach_jansson_write(const char *template, size_t length, json_t *root, int flags, mustach_write_cb_t *writecb, void *closure);
/**
* mustach_jansson_emit - Renders the mustache 'template' for 'root' to custom emiter 'emitcb' with 'closure'.
*
* @template: the template string to instantiate
* @length: length of the template or zero if unknown and template null terminated
* @root: the root json object to render
* @emitcb: the function that emit values
* @closure: the closure for the write function
*
* Returns 0 in case of success, -1 with errno set in case of system error
* a other negative value in case of error.
*/
extern int mustach_jansson_emit(const char *template, size_t length, json_t *root, int flags, mustach_emit_cb_t *emitcb, void *closure);
#endif
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