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25 
26 // This file contains the implementation of the SimpleField and Schema elements.
27 
28 #include "kml/dom/schema.h"
29 #include "kml/base/attributes.h"
30 #include "kml/base/xml_namespaces.h"
31 #include "kml/dom/kml_cast.h"
32 #include "kml/dom/serializer.h"
33 
34 using kmlbase::Attributes;
35 
36 namespace kmldom {
37 
38 // <SimpleField>
SimpleField()39 SimpleField::SimpleField()
40   : has_type_(false),
41     has_name_(false),
42     has_displayname_(false) {
43   set_xmlns(kmlbase::XMLNS_KML22);
44 }
45 
~SimpleField()46 SimpleField::~SimpleField() {}
47 
48 static const char kSimpleFieldTypeAttr[] = "type";
49 static const char kSimpleFieldNameAttr[] = "name";
50 
ParseAttributes(Attributes * attributes)51 void SimpleField::ParseAttributes(Attributes* attributes) {
52   if (!attributes) {
53     return;
54   }
55   has_type_ = attributes->CutValue(kSimpleFieldTypeAttr, &type_);
56   has_name_ = attributes->CutValue(kSimpleFieldNameAttr, &name_);
57   AddUnknownAttributes(attributes);
58 }
59 
SerializeAttributes(Attributes * attributes) const60 void SimpleField::SerializeAttributes(Attributes* attributes) const {
61   Element::SerializeAttributes(attributes);
62   if (has_type_) {
63     attributes->SetValue(kSimpleFieldTypeAttr, type_);
64   }
65   if (has_name_) {
66     attributes->SetValue(kSimpleFieldNameAttr, name_);
67   }
68 }
69 
AddElement(const ElementPtr & element)70 void SimpleField::AddElement(const ElementPtr& element) {
71   if (!element) {
72     return;
73   }
74   if (element->Type() == Type_displayName) {
75     has_displayname_ = element->SetString(&displayname_);
76   } else {
77     Element::AddElement(element);
78   }
79 }
80 
Serialize(Serializer & serializer) const81 void SimpleField::Serialize(Serializer& serializer) const {
82   ElementSerializer element_serializer(*this, serializer);
83   if (has_displayname()) {
84     serializer.SaveFieldById(Type_displayName, get_displayname());
85   }
86 }
87 
Accept(Visitor * visitor)88 void SimpleField::Accept(Visitor* visitor) {
89   visitor->VisitSimpleField(SimpleFieldPtr(this));
90 }
91 
92 // <GxSimpleArrayField>
GxSimpleArrayField()93 GxSimpleArrayField::GxSimpleArrayField() {
94   set_xmlns(kmlbase::XMLNS_GX22);
95 }
96 
~GxSimpleArrayField()97 GxSimpleArrayField::~GxSimpleArrayField() {}
98 
Accept(Visitor * visitor)99 void GxSimpleArrayField::Accept(Visitor* visitor) {
100   visitor->VisitGxSimpleArrayField(GxSimpleArrayFieldPtr(this));
101 }
102 
103 // <Schema>
Schema()104 Schema::Schema()
105     : has_name_(false) {
106 }
107 
~Schema()108 Schema::~Schema() {}
109 
110 static const char kSchemaNameAttr[] = "name";
111 
ParseAttributes(Attributes * attributes)112 void Schema::ParseAttributes(Attributes* attributes) {
113   if (!attributes) {
114     return;
115   }
116   has_name_ = attributes->CutValue(kSchemaNameAttr, &name_);
117   Object::ParseAttributes(attributes);
118 }
119 
SerializeAttributes(Attributes * attributes) const120 void Schema::SerializeAttributes(Attributes* attributes) const {
121   Object::SerializeAttributes(attributes);
122   if (has_name_) {
123     attributes->SetValue(kSchemaNameAttr, name_);
124   }
125 }
126 
AddElement(const ElementPtr & element)127 void Schema::AddElement(const ElementPtr& element) {
128   if (!element) {
129     return;
130   }
131   switch (element->Type()) {
132     case Type_SimpleField:
133       add_simplefield(AsSimpleField(element));
134       break;
135     case Type_GxSimpleArrayField:
136       add_gx_simplearrayfield(AsGxSimpleArrayField(element));
137       break;
138     default:
139       Object::AddElement(element);
140   }
141 }
142 
Serialize(Serializer & serializer) const143 void Schema::Serialize(Serializer& serializer) const {
144   ElementSerializer element_serializer(*this, serializer);
145   serializer.SaveElementArray(simplefield_array_);
146   serializer.SaveElementArray(gx_simplearrayfield_array_);
147 }
148 
Accept(Visitor * visitor)149 void Schema::Accept(Visitor* visitor) {
150   visitor->VisitSchema(SchemaPtr(this));
151 }
152 
AcceptChildren(VisitorDriver * driver)153 void Schema::AcceptChildren(VisitorDriver* driver) {
154   Object::AcceptChildren(driver);
155   Element::AcceptRepeated<SimpleFieldPtr>(&simplefield_array_, driver);
156   Element::AcceptRepeated<GxSimpleArrayFieldPtr>(&gx_simplearrayfield_array_,
157                                                  driver);
158 }
159 
160 }  // end namespace kmldom
161