diff options
Diffstat (limited to 'src/s3select/rapidjson/example/simplepullreader/simplepullreader.cpp')
-rw-r--r-- | src/s3select/rapidjson/example/simplepullreader/simplepullreader.cpp | 53 |
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; +} |