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-rw-r--r--src/s3select/rapidjson/example/simplepullreader/simplepullreader.cpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/s3select/rapidjson/example/simplepullreader/simplepullreader.cpp b/src/s3select/rapidjson/example/simplepullreader/simplepullreader.cpp
new file mode 100644
index 000000000..a4fb1161a
--- /dev/null
+++ b/src/s3select/rapidjson/example/simplepullreader/simplepullreader.cpp
@@ -0,0 +1,53 @@
+#include "rapidjson/reader.h"
+#include <iostream>
+#include <sstream>
+
+using namespace rapidjson;
+using namespace std;
+
+// If you can require C++11, you could use std::to_string here
+template <typename T> std::string stringify(T x) {
+ std::stringstream ss;
+ ss << x;
+ return ss.str();
+}
+
+struct MyHandler {
+ const char* type;
+ std::string data;
+
+ MyHandler() : type(), data() {}
+
+ bool Null() { type = "Null"; data.clear(); return true; }
+ bool Bool(bool b) { type = "Bool:"; data = b? "true": "false"; return true; }
+ bool Int(int i) { type = "Int:"; data = stringify(i); return true; }
+ bool Uint(unsigned u) { type = "Uint:"; data = stringify(u); return true; }
+ bool Int64(int64_t i) { type = "Int64:"; data = stringify(i); return true; }
+ bool Uint64(uint64_t u) { type = "Uint64:"; data = stringify(u); return true; }
+ bool Double(double d) { type = "Double:"; data = stringify(d); return true; }
+ bool RawNumber(const char* str, SizeType length, bool) { type = "Number:"; data = std::string(str, length); return true; }
+ bool String(const char* str, SizeType length, bool) { type = "String:"; data = std::string(str, length); return true; }
+ bool StartObject() { type = "StartObject"; data.clear(); return true; }
+ bool Key(const char* str, SizeType length, bool) { type = "Key:"; data = std::string(str, length); return true; }
+ bool EndObject(SizeType memberCount) { type = "EndObject:"; data = stringify(memberCount); return true; }
+ bool StartArray() { type = "StartArray"; data.clear(); return true; }
+ bool EndArray(SizeType elementCount) { type = "EndArray:"; data = stringify(elementCount); return true; }
+private:
+ MyHandler(const MyHandler& noCopyConstruction);
+ MyHandler& operator=(const MyHandler& noAssignment);
+};
+
+int main() {
+ const char json[] = " { \"hello\" : \"world\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3, 4] } ";
+
+ MyHandler handler;
+ Reader reader;
+ StringStream ss(json);
+ reader.IterativeParseInit();
+ while (!reader.IterativeParseComplete()) {
+ reader.IterativeParseNext<kParseDefaultFlags>(ss, handler);
+ cout << handler.type << handler.data << endl;
+ }
+
+ return 0;
+}