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/**
* @file common.h
* @author Radek Krejci <rkrejci@cesnet.cz>
* @author Adam Piecek <piecek@cesnet.cz>
* @brief libyang's yanglint tool - common functions and definitions for both interactive and non-interactive mode.
*
* Copyright (c) 2023 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/
#ifndef COMMON_H_
#define COMMON_H_
#include <stdint.h>
#include <stdio.h>
#include "libyang.h"
#define PROMPT "> "
/**
* @brief Default context creation options.
*/
#define YL_DEFAULT_CTX_OPTIONS LY_CTX_NO_YANGLIBRARY
/**
* @brief Default data parsing flags.
*/
#define YL_DEFAULT_DATA_PARSE_OPTIONS LYD_PARSE_STRICT
/**
* @brief Default data validation flags.
*/
#define YL_DEFAULT_DATA_VALIDATE_OPTIONS LYD_VALIDATE_MULTI_ERROR
/**
* @brief log error message
*/
#define YLMSG_E(...) \
yl_log(1, __VA_ARGS__);
/**
* @brief log warning message
*/
#define YLMSG_W(...) \
yl_log(0, __VA_ARGS__);
#ifndef _WIN32
# define PATH_SEPARATOR ":"
#else
# define PATH_SEPARATOR ";"
#endif
struct cmdline_file;
/**
* @brief Log a yanglint message.
*
* @param[in] err Whether the message is an error or a warning.
* @param[in] format Message format.
* @param[in] ... Format arguments.
*/
void yl_log(ly_bool err, const char *format, ...);
/**
* @brief Parse path of a schema module file into the directory and module name.
*
* @param[in] path Schema module file path to be parsed.
* @param[out] dir Pointer to the directory path where the file resides. Caller is expected to free the returned string.
* @param[out] module Pointer to the name of the module (without file suffixes or revision information) specified by the
* @p path. Caller is expected to free the returned string.
* @return 0 on success
* @return -1 on error
*/
int parse_schema_path(const char *path, char **dir, char **module);
/**
* @brief Get input handler for the specified path.
*
* Using the @p format_schema and @p format_data the type of the file can be limited (by providing NULL) or it can be
* got known if both types are possible.
*
* @param[in] filepath Path of the file to open.
* @param[out] format_schema Format of the schema detected from the file name. If NULL specified, the schema formats are
* prohibited and such files are refused.
* @param[out] format_data Format of the data detected from the file name. If NULL specified, the data formats are
* prohibited and such files are refused.
* @param[out] in Created input handler referring the file behind the @p filepath. Can be NULL.
* @return 0 on success.
* @return -1 on failure.
*/
int get_input(const char *filepath, LYS_INFORMAT *format_schema, LYD_FORMAT *format_data, struct ly_in **in);
/**
* @brief Get format of the @p filename's content according to the @p filename's suffix.
*
* Either the @p schema or @p data parameter is set.
*
* @param[in] filepath Name of the file to examine.
* @param[out] schema_form Pointer to a variable to store the input schema format.
* @param[out] data_form Pointer to a variable to store the expected input data format.
* @return zero in case a format was successfully detected.
* @return nonzero in case it is not possible to get valid format from the @p filename.
*/
int get_format(const char *filepath, LYS_INFORMAT *schema_form, LYD_FORMAT *data_form);
/**
* @brief Get the node specified by the path.
*
* @param[in] ctx libyang context with schema.
* @param[in] schema_path Path to the wanted node.
* @return Pointer to the schema node specified by the path on success, NULL otherwise.
*/
const struct lysc_node *find_schema_path(const struct ly_ctx *ctx, const char *schema_path);
/**
* @brief General callback providing run-time extension instance data.
*
* @param[in] ext Compiled extension instance.
* @param[in] parent Data parent, unused.
* @param[in] user_data User-supplied callback data.
* @param[out] ext_data Provided extension instance data.
* @param[out] ext_data_free Whether the extension instance should free @p ext_data or not.
* @return LY_ERR value.
*/
LY_ERR ext_data_clb(const struct lysc_ext_instance *ext, const struct lyd_node *parent, void *user_data,
void **ext_data, ly_bool *ext_data_free);
/**
* @brief Concatenation of paths into one string.
*
* @param[in,out] searchpaths Collection of paths in the single string. Paths are delimited by colon ":"
* (on Windows, used semicolon ";" instead).
* @param[in] path Path to add.
* @return LY_ERR value.
*/
LY_ERR searchpath_strcat(char **searchpaths, const char *path);
#endif /* COMMON_H_ */
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