map-display/include/kml/dom/timeprimitive.h

// Copyright 2008, Google Inc. All rights reserved.
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// This file contains the declarations for the abstract TimePrimitive element
// and the concrete TimeStamp, TimeSpan elements.

#ifndef KML_DOM_TIMEPRIMITIVE_H__
#define KML_DOM_TIMEPRIMITIVE_H__

#include "kml/dom/kml22.h"
#include "kml/dom/object.h"

namespace kmldom {

class Serializer;
class Visitor;

// OGC KML 2.2 Standard: 15.1 kml:AbstractTimePrimitiveGroup
// OGC KML 2.2 XSD: <element name="AbstractTimePrimitiveGroup"...
class TimePrimitive : public Object {
 public:
  virtual ~TimePrimitive();
  virtual KmlDomType Type() const { return Type_TimePrimitive; }
  virtual bool IsA(KmlDomType type) const {
    return type == Type_TimePrimitive || Object::IsA(type);
  }

  // Internal API for parse and serialize.
  virtual void AddElement(const ElementPtr& element);

 protected:
  // TimePrimitive is abstract.
  TimePrimitive();

 private:
  LIBKML_DISALLOW_EVIL_CONSTRUCTORS(TimePrimitive);
};

// <TimeSpan>
class TimeSpan : public TimePrimitive {
 public:
  virtual ~TimeSpan();
  virtual KmlDomType Type() const { return Type_TimeSpan; }
  virtual bool IsA(KmlDomType type) const {
    return type == Type_TimeSpan || TimePrimitive::IsA(type);
  }

  // <begin>
  const string& get_begin() const { return begin_; }
  bool has_begin() const { return has_begin_; }
  void set_begin(const string& value) {
    begin_ = value;
    has_begin_ = true;
  }
  void clear_begin() {
    begin_.clear();
    has_begin_ = false;
  }

  // <end>
  const string& get_end() const { return end_; }
  bool has_end() const { return has_end_; }
  void set_end(const string& value) {
    end_ = value;
    has_end_ = true;
  }
  void clear_end() {
    end_.clear();
    has_end_ = false;
  }

  // Visitor API methods, see visitor.h.
  virtual void Accept(Visitor* visitor);

 protected:
  TimeSpan();
  virtual void AddElement(const ElementPtr& element);
  virtual void Serialize(Serializer& serializer) const;

 private:
  friend class KmlFactory;
  friend class KmlHandler;
  friend class Serializer;
  string begin_;
  bool has_begin_;
  string end_;
  bool has_end_;
  LIBKML_DISALLOW_EVIL_CONSTRUCTORS(TimeSpan);
};

// <TimeStamp>
class TimeStamp : public TimePrimitive {
 public:
  virtual ~TimeStamp();
  virtual KmlDomType Type() const { return Type_TimeStamp; }
  virtual bool IsA(KmlDomType type) const {
    return type == Type_TimeStamp || TimePrimitive::IsA(type);
  }

  // <when>
  const string& get_when() const { return when_; }
  bool has_when() const { return has_when_; }
  void set_when(const string& value) {
    when_ = value;
    has_when_ = true;
  }
  void clear_when() {
    when_.clear();
    has_when_ = false;
  }

  // Visitor API methods, see visitor.h.
  virtual void Accept(Visitor* visitor);

 protected:
  TimeStamp();
  virtual void AddElement(const ElementPtr& element);
  virtual void Serialize(Serializer& serializer) const;

 private:
  friend class KmlFactory;
  friend class KmlHandler;
  friend class Serializer;
  string when_;
  bool has_when_;
  LIBKML_DISALLOW_EVIL_CONSTRUCTORS(TimeStamp);
};

}  // end namespace kmldom

#endif  // KML_DOM_TIMEPRIMITIVE_H__