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-rw-r--r--src/rapidjson/example/serialize/serialize.cpp173
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diff --git a/src/rapidjson/example/serialize/serialize.cpp b/src/rapidjson/example/serialize/serialize.cpp
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+++ b/src/rapidjson/example/serialize/serialize.cpp
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+// 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;
+}