Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk
git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/json.h b/talk/base/json.h
new file mode 100644
index 0000000..50a4122
--- /dev/null
+++ b/talk/base/json.h
@@ -0,0 +1,106 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_BASE_JSON_H_
+#define TALK_BASE_JSON_H_
+
+#include <string>
+#include <vector>
+
+#ifdef JSONCPP_RELATIVE_PATH
+#include "json/json.h"
+#else
+#include "third_party/jsoncpp/json.h"
+#endif
+
+// TODO: Move to talk_base namespace
+
+///////////////////////////////////////////////////////////////////////////////
+// JSON Helpers
+///////////////////////////////////////////////////////////////////////////////
+
+// Robust conversion operators, better than the ones in JsonCpp.
+bool GetIntFromJson(const Json::Value& in, int* out);
+bool GetUIntFromJson(const Json::Value& in, unsigned int* out);
+bool GetStringFromJson(const Json::Value& in, std::string* out);
+bool GetBoolFromJson(const Json::Value& in, bool* out);
+bool GetDoubleFromJson(const Json::Value& in, double* out);
+
+// Pull values out of a JSON array.
+bool GetValueFromJsonArray(const Json::Value& in, size_t n,
+ Json::Value* out);
+bool GetIntFromJsonArray(const Json::Value& in, size_t n,
+ int* out);
+bool GetUIntFromJsonArray(const Json::Value& in, size_t n,
+ unsigned int* out);
+bool GetStringFromJsonArray(const Json::Value& in, size_t n,
+ std::string* out);
+bool GetBoolFromJsonArray(const Json::Value& in, size_t n,
+ bool* out);
+bool GetDoubleFromJsonArray(const Json::Value& in, size_t n,
+ double* out);
+
+// Convert json arrays to std::vector
+bool JsonArrayToValueVector(const Json::Value& in,
+ std::vector<Json::Value>* out);
+bool JsonArrayToIntVector(const Json::Value& in,
+ std::vector<int>* out);
+bool JsonArrayToUIntVector(const Json::Value& in,
+ std::vector<unsigned int>* out);
+bool JsonArrayToStringVector(const Json::Value& in,
+ std::vector<std::string>* out);
+bool JsonArrayToBoolVector(const Json::Value& in,
+ std::vector<bool>* out);
+bool JsonArrayToDoubleVector(const Json::Value& in,
+ std::vector<double>* out);
+
+// Convert std::vector to json array
+Json::Value ValueVectorToJsonArray(const std::vector<Json::Value>& in);
+Json::Value IntVectorToJsonArray(const std::vector<int>& in);
+Json::Value UIntVectorToJsonArray(const std::vector<unsigned int>& in);
+Json::Value StringVectorToJsonArray(const std::vector<std::string>& in);
+Json::Value BoolVectorToJsonArray(const std::vector<bool>& in);
+Json::Value DoubleVectorToJsonArray(const std::vector<double>& in);
+
+// Pull values out of a JSON object.
+bool GetValueFromJsonObject(const Json::Value& in, const std::string& k,
+ Json::Value* out);
+bool GetIntFromJsonObject(const Json::Value& in, const std::string& k,
+ int* out);
+bool GetUIntFromJsonObject(const Json::Value& in, const std::string& k,
+ unsigned int* out);
+bool GetStringFromJsonObject(const Json::Value& in, const std::string& k,
+ std::string* out);
+bool GetBoolFromJsonObject(const Json::Value& in, const std::string& k,
+ bool* out);
+bool GetDoubleFromJsonObject(const Json::Value& in, const std::string& k,
+ double* out);
+
+// Writes out a Json value as a string.
+std::string JsonValueToString(const Json::Value& json);
+
+#endif // TALK_BASE_JSON_H_