text: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef __CUTILS_STR_PARMS_H
  #define __CUTILS_STR_PARMS_H
  
  #include <stdint.h>
  
  struct str_parms;
  
  struct str_parms *str_parms_create(void);
  struct str_parms *str_parms_create_str(const char *_string);
  void str_parms_destroy(struct str_parms *str_parms);
  
  void str_parms_del(struct str_parms *str_parms, const char *key);
  
  int str_parms_add_str(struct str_parms *str_parms, const char *key,
                        const char *value);
  int str_parms_add_int(struct str_parms *str_parms, const char *key, int value);
  
  int str_parms_add_float(struct str_parms *str_parms, const char *key,
                          float value);
  
  // Returns non-zero if the str_parms contains the specified key.
  int str_parms_has_key(struct str_parms *str_parms, const char *key);
  
  // Gets value associated with the specified key (if present), placing it in the buffer
  // pointed to by the out_val parameter.  Returns the length of the returned string value.
  // If 'key' isn't in the parms, then return -ENOENT (-2) and leave 'out_val' untouched.
  int str_parms_get_str(struct str_parms *str_parms, const char *key,
                        char *out_val, int len);
  int str_parms_get_int(struct str_parms *str_parms, const char *key,
                        int *out_val);
  int str_parms_get_float(struct str_parms *str_parms, const char *key,
                          float *out_val);
  
  char *str_parms_to_str(struct str_parms *str_parms);
  
  /* debug */
  void str_parms_dump(struct str_parms *str_parms);
  
  #endif /* __CUTILS_STR_PARMS_H */
  