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132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
// Copyright 2019-2020, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Tiny JSON wrapper around cJSON header.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup aux_util
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*/
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#pragma once
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#include "xrt/xrt_compiler.h"
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#include "xrt/xrt_defines.h"
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#include "cjson/cJSON.h"
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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/*!
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* @brief Get a JSON object by string from a JSON object.
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*
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* @return The JSON object with the given name if successful, NULL if not.
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*/
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const cJSON *
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u_json_get(const cJSON *json, const char *f);
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/*!
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* @brief Parse a string from a JSON object into a char array.
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*
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* @return true if successful, false if string does not fit in
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* array or any other error.
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*/
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bool
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u_json_get_string_into_array(const cJSON *json, char *out, size_t max_size);
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/*!
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* @brief Parse an bool from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_bool(const cJSON *json, bool *out_bool);
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/*!
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* @brief Parse an int from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_int(const cJSON *json, int *out_int);
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/*!
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* @brief Parse a float from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_float(const cJSON *json, float *out_float);
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/*!
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* @brief Parse a double from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_double(const cJSON *json, double *out_double);
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/*!
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* @brief Parse an xrt_vec3 from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_vec3(const cJSON *json, struct xrt_vec3 *out_vec3);
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/*!
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* @brief Parse an xrt_vec3 from a JSON array.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_vec3_array(const cJSON *json, struct xrt_vec3 *out_vec3);
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/*!
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* @brief Parse an xrt_vec3_f64 from a JSON array.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_vec3_f64_array(const cJSON *json, struct xrt_vec3_f64 *out_vec3);
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/*!
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* @brief Parse a quaternion from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_quat(const cJSON *json, struct xrt_quat *out_quat);
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/*!
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* @brief Parse up to max_size floats from a JSON array.
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*
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* @return the number of elements set.
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*/
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size_t
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u_json_get_float_array(const cJSON *json_array, float *out_array, size_t max_size);
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/*!
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* @brief Parse up to max_size doubles from a JSON array.
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*
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* @return the number of elements set.
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*/
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size_t
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u_json_get_double_array(const cJSON *json_array, double *out_array, size_t max_size);
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/*!
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* @brief Parse a matrix_3x3 from a JSON object.
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*
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* @return true if successful, false if not.
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*/
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bool
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u_json_get_matrix_3x3(const cJSON *json, struct xrt_matrix_3x3 *out_matrix);
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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