cutils/config_utils.h

   1 /*
   2  * Copyright (C) 2006 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef __CUTILS_CONFIG_UTILS_H
  18 #define __CUTILS_CONFIG_UTILS_H
  19
  20 #ifdef __cplusplus
  21 extern "C" {
  22 #endif
  23
  24 typedef struct cnode cnode;
  25
  26
  27 struct cnode
  28 {
  29     cnode *next;
  30     cnode *first_child;
  31     cnode *last_child;
  32     const char *name;
  33     const char *value;
  34 };
  35
  36 /* parse a text string into a config node tree */
  37 void config_load(cnode *root, char *data);
  38
  39 /* parse a file into a config node tree */
  40 void config_load_file(cnode *root, const char *fn);
  41
  42 /* create a single config node */
  43 cnode* config_node(const char *name, const char *value);
  44
  45 /* locate a named child of a config node */
  46 cnode* config_find(cnode *root, const char *name);
  47
  48 /* look up a child by name and return the boolean value */
  49 int config_bool(cnode *root, const char *name, int _default);
  50
  51 /* look up a child by name and return the string value */
  52 const char* config_str(cnode *root, const char *name, const char *_default);
  53
  54 /* add a named child to a config node (or modify it if it already exists) */
  55 void config_set(cnode *root, const char *name, const char *value);
  56
  57 /* free a config node tree */
  58 void config_free(cnode *root);
  59
  60 #ifdef __cplusplus
  61 }
  62 #endif
  63
  64 #endif