text: /* PipeWire
   * Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public
   * License along with this library; if not, write to the
   * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #ifndef __PIPEWIRE_PROPERTIES_H__
  #define __PIPEWIRE_PROPERTIES_H__
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <spa/utils/dict.h>
  
  /** \class pw_properties
   *
   * \brief A collection of key/value pairs
   *
   * Properties are used to pass around arbitrary key/value pairs.
   * Both keys and values are strings which keeps things simple.
   * Encoding of arbitrary values should be done by using a string
   * serialization such as base64 for binary blobs.
   */
  struct pw_properties {
  	struct spa_dict dict;
  };
  
  struct pw_properties *
  pw_properties_new(const char *key, ...) SPA_SENTINEL;
  
  struct pw_properties *
  pw_properties_new_dict(const struct spa_dict *dict);
  
  struct pw_properties *
  pw_properties_new_string(const char *args);
  
  struct pw_properties *
  pw_properties_copy(const struct pw_properties *properties);
  
  struct pw_properties *
  pw_properties_merge(const struct pw_properties *oldprops,
  		    struct pw_properties *newprops);
  
  void
  pw_properties_free(struct pw_properties *properties);
  
  int
  pw_properties_set(struct pw_properties *properties, const char *key, const char *value);
  
  int
  pw_properties_setf(struct pw_properties *properties,
  		   const char *key, const char *format, ...) SPA_PRINTF_FUNC(3, 4);
  const char *
  pw_properties_get(const struct pw_properties *properties, const char *key);
  
  const char *
  pw_properties_iterate(const struct pw_properties *properties, void **state);
  
  static inline bool pw_properties_parse_bool(const char *value) {
  	return (strcmp(value, "true") == 0 || atoi(value) == 1);
  }
  
  static inline int pw_properties_parse_int(const char *value) {
  	return strtol(value, NULL, 0);
  }
  
  static inline int64_t pw_properties_parse_int64(const char *value) {
  	return strtoll(value, NULL, 0);
  }
  
  static inline uint64_t pw_properties_parse_uint64(const char *value) {
  	return strtoull(value, NULL, 0);
  }
  
  static inline float pw_properties_parse_float(const char *value) {
  	return strtof(value, NULL);
  }
  
  static inline double pw_properties_parse_double(const char *value) {
  	return strtod(value, NULL);
  }
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __PIPEWIRE_PROPERTIES_H__ */
  