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/*
 * 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 */