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source: webrtc/talk/base/json.h @ 0:4bda6873e34c

pub_scrub_3792 tip
Last change on this file since 0:4bda6873e34c was 0:4bda6873e34c, checked in by Michael Prittie <mprittie@…>, 6 years ago

Scrubbed password for publication.

File size: 4.8 KB
Line 
1/*
2 * libjingle
3 * Copyright 2004--2005, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_BASE_JSON_H_
29#define TALK_BASE_JSON_H_
30
31#include <string>
32#include <vector>
33
34#ifdef JSONCPP_RELATIVE_PATH
35#include "json/json.h"
36#else
37#include "third_party/jsoncpp/json.h"
38#endif
39
40// TODO: Move to talk_base namespace
41
42///////////////////////////////////////////////////////////////////////////////
43// JSON Helpers
44///////////////////////////////////////////////////////////////////////////////
45
46// Robust conversion operators, better than the ones in JsonCpp.
47bool GetIntFromJson(const Json::Value& in, int* out);
48bool GetUIntFromJson(const Json::Value& in, unsigned int* out);
49bool GetStringFromJson(const Json::Value& in, std::string* out);
50bool GetBoolFromJson(const Json::Value& in, bool* out);
51bool GetDoubleFromJson(const Json::Value& in, double* out);
52
53// Pull values out of a JSON array.
54bool GetValueFromJsonArray(const Json::Value& in, size_t n,
55                           Json::Value* out);
56bool GetIntFromJsonArray(const Json::Value& in, size_t n,
57                         int* out);
58bool GetUIntFromJsonArray(const Json::Value& in, size_t n,
59                          unsigned int* out);
60bool GetStringFromJsonArray(const Json::Value& in, size_t n,
61                            std::string* out);
62bool GetBoolFromJsonArray(const Json::Value& in, size_t n,
63                          bool* out);
64bool GetDoubleFromJsonArray(const Json::Value& in, size_t n,
65                            double* out);
66
67// Convert json arrays to std::vector
68bool JsonArrayToValueVector(const Json::Value& in,
69                            std::vector<Json::Value>* out);
70bool JsonArrayToIntVector(const Json::Value& in,
71                          std::vector<int>* out);
72bool JsonArrayToUIntVector(const Json::Value& in,
73                           std::vector<unsigned int>* out);
74bool JsonArrayToStringVector(const Json::Value& in,
75                             std::vector<std::string>* out);
76bool JsonArrayToBoolVector(const Json::Value& in,
77                           std::vector<bool>* out);
78bool JsonArrayToDoubleVector(const Json::Value& in,
79                             std::vector<double>* out);
80
81// Convert std::vector to json array
82Json::Value ValueVectorToJsonArray(const std::vector<Json::Value>& in);
83Json::Value IntVectorToJsonArray(const std::vector<int>& in);
84Json::Value UIntVectorToJsonArray(const std::vector<unsigned int>& in);
85Json::Value StringVectorToJsonArray(const std::vector<std::string>& in);
86Json::Value BoolVectorToJsonArray(const std::vector<bool>& in);
87Json::Value DoubleVectorToJsonArray(const std::vector<double>& in);
88
89// Pull values out of a JSON object.
90bool GetValueFromJsonObject(const Json::Value& in, const std::string& k,
91                            Json::Value* out);
92bool GetIntFromJsonObject(const Json::Value& in, const std::string& k,
93                          int* out);
94bool GetUIntFromJsonObject(const Json::Value& in, const std::string& k,
95                           unsigned int* out);
96bool GetStringFromJsonObject(const Json::Value& in, const std::string& k,
97                             std::string* out);
98bool GetBoolFromJsonObject(const Json::Value& in, const std::string& k,
99                           bool* out);
100bool GetDoubleFromJsonObject(const Json::Value& in, const std::string& k,
101                             double* out);
102
103// Writes out a Json value as a string.
104std::string JsonValueToString(const Json::Value& json);
105
106#endif  // TALK_BASE_JSON_H_
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