Added a simple example and a diagram showing the process.

1 files changed, 28 insertions, 0 deletions

diff --git a/example/simpledom/simpledom.cpp b/example/simpledom/simpledom.cpp
new file mode 100644
index 00000000..bdcf6c89
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+++ b/example/simpledom/simpledom.cpp
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+// JSON simple example
+// This example does not handle errors.
+
+#include "rapidjson/document.h"
+#include "rapidjson/writer.h"
+#include "rapidjson/stringbuffer.h"
+#include <iostream>
+
+using namespace rapidjson;
+
+int main() {
+	// 1. Parse a JSON string into DOM.
+	const char* json = "{\"project\":\"rapidjson\",\"stars\":10}";
+	Document d;
+	d.Parse<0>(json);
+
+	// 2. Modify it by DOM.
+	d["stars"].SetInt(d["stars"].GetInt() + 1);
+
+	// 3. Stringify the DOM
+	StringBuffer buffer;
+	Writer<StringBuffer> writer(buffer);
+	d.Accept(writer);
+
+	// Output {"project":"rapidjson","stars":10}
+	std::cout << buffer.GetString() << std::endl;
+	return 0;
+}