1 files changed, 173 insertions, 0 deletions
diff --git a/src/s3select/rapidjson/example/serialize/serialize.cpp b/src/s3select/rapidjson/example/serialize/serialize.cpp
new file mode 100644
index 000000000..12d87151e
--- /dev/null
+++ b/src/s3select/rapidjson/example/serialize/serialize.cpp
@@ -0,0 +1,173 @@
+// Serialize example
+// This example shows writing JSON string with writer directly.
+
+#include "rapidjson/prettywriter.h" // for stringify JSON
+#include <cstdio>
+#include <string>
+#include <vector>
+
+using namespace rapidjson;
+
+class Person {
+public:
+    Person(const std::string& name, unsigned age) : name_(name), age_(age) {}
+    Person(const Person& rhs) : name_(rhs.name_), age_(rhs.age_) {}
+    virtual ~Person();
+
+    Person& operator=(const Person& rhs) {
+        name_ = rhs.name_;
+        age_ = rhs.age_;
+        return *this;
+    }
+
+protected:
+    template <typename Writer>
+    void Serialize(Writer& writer) const {
+        // This base class just write out name-value pairs, without wrapping within an object.
+        writer.String("name");
+#if RAPIDJSON_HAS_STDSTRING
+        writer.String(name_);
+#else
+        writer.String(name_.c_str(), static_cast<SizeType>(name_.length())); // Supplying length of string is faster.
+#endif
+        writer.String("age");
+        writer.Uint(age_);
+    }
+
+private:
+    std::string name_;
+    unsigned age_;
+};
+
+Person::~Person() {
+}
+
+class Education {
+public:
+    Education(const std::string& school, double GPA) : school_(school), GPA_(GPA) {}
+    Education(const Education& rhs) : school_(rhs.school_), GPA_(rhs.GPA_) {}
+
+    template <typename Writer>
+    void Serialize(Writer& writer) const {
+        writer.StartObject();
+        
+        writer.String("school");
+#if RAPIDJSON_HAS_STDSTRING
+        writer.String(school_);
+#else
+        writer.String(school_.c_str(), static_cast<SizeType>(school_.length()));
+#endif
+
+        writer.String("GPA");
+        writer.Double(GPA_);
+
+        writer.EndObject();
+    }
+
+private:
+    std::string school_;
+    double GPA_;
+};
+
+class Dependent : public Person {
+public:
+    Dependent(const std::string& name, unsigned age, Education* education = 0) : Person(name, age), education_(education) {}
+    Dependent(const Dependent& rhs) : Person(rhs), education_(0) { education_ = (rhs.education_ == 0) ? 0 : new Education(*rhs.education_); }
+    virtual ~Dependent();
+
+    Dependent& operator=(const Dependent& rhs) {
+        if (this == &rhs)
+            return *this;
+        delete education_;
+        education_ = (rhs.education_ == 0) ? 0 : new Education(*rhs.education_);
+        return *this;
+    }
+
+    template <typename Writer>
+    void Serialize(Writer& writer) const {
+        writer.StartObject();
+
+        Person::Serialize(writer);
+
+        writer.String("education");
+        if (education_)
+            education_->Serialize(writer);
+        else
+            writer.Null();
+
+        writer.EndObject();
+    }
+
+private:
+
+    Education *education_;
+};
+
+Dependent::~Dependent() {
+    delete education_; 
+}
+
+class Employee : public Person {
+public:
+    Employee(const std::string& name, unsigned age, bool married) : Person(name, age), dependents_(), married_(married) {}
+    Employee(const Employee& rhs) : Person(rhs), dependents_(rhs.dependents_), married_(rhs.married_) {}
+    virtual ~Employee();
+
+    Employee& operator=(const Employee& rhs) {
+        static_cast<Person&>(*this) = rhs;
+        dependents_ = rhs.dependents_;
+        married_ = rhs.married_;
+        return *this;
+    }
+
+    void AddDependent(const Dependent& dependent) {
+        dependents_.push_back(dependent);
+    }
+
+    template <typename Writer>
+    void Serialize(Writer& writer) const {
+        writer.StartObject();
+
+        Person::Serialize(writer);
+
+        writer.String("married");
+        writer.Bool(married_);
+
+        writer.String(("dependents"));
+        writer.StartArray();
+        for (std::vector<Dependent>::const_iterator dependentItr = dependents_.begin(); dependentItr != dependents_.end(); ++dependentItr)
+            dependentItr->Serialize(writer);
+        writer.EndArray();
+
+        writer.EndObject();
+    }
+
+private:
+    std::vector<Dependent> dependents_;
+    bool married_;
+};
+
+Employee::~Employee() {
+}
+
+int main(int, char*[]) {
+    std::vector<Employee> employees;
+
+    employees.push_back(Employee("Milo YIP", 34, true));
+    employees.back().AddDependent(Dependent("Lua YIP", 3, new Education("Happy Kindergarten", 3.5)));
+    employees.back().AddDependent(Dependent("Mio YIP", 1));
+
+    employees.push_back(Employee("Percy TSE", 30, false));
+
+    StringBuffer sb;
+    PrettyWriter<StringBuffer> writer(sb);
+
+    writer.StartArray();
+    for (std::vector<Employee>::const_iterator employeeItr = employees.begin(); employeeItr != employees.end(); ++employeeItr)
+        employeeItr->Serialize(writer);
+    writer.EndArray();
+
+    puts(sb.GetString());
+
+    return 0;
+}