Add include guards to headers

ext/attribute_dictionaries.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_ATTRIBUTE_DICTIONARIES_H
+#define SCRIPTUP_ATTRIBUTE_DICTIONARIES_H
+
 #include <ruby.h>
 
-VALUE AttributeDictionaries_Init(VALUE namespace_object, VALUE parent_class);
+VALUE AttributeDictionaries_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_ATTRIBUTE_DICTIONARIES_H

ext/attribute_dictionary.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_ATTRIBUTE_DICTIONARY_H
+#define SCRIPTUP_ATTRIBUTE_DICTIONARY_H
+
 #include <ruby.h>
 
-VALUE AttributeDictionary_Init(VALUE namespace_object, VALUE parent_class);
+VALUE AttributeDictionary_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_ATTRIBUTE_DICTIONARY_H

ext/behavior.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_BEHAVIOR_H
+#define SCRIPTUP_BEHAVIOR_H
+
 #include <ruby.h>
 
-VALUE Behavior_Init(VALUE namespace_object, VALUE parent_class);
+VALUE Behavior_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_BEHAVIOR_H

ext/color.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_COLOR_H
+#define SCRIPTUP_COLOR_H
+
 #include <ruby.h>
 
-void Color_Init(VALUE namespace_object, VALUE parent_class);
+void Color_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_COLOR_H

ext/component_definition.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_COMPONENT_DEFINITION_H
+#define SCRIPTUP_COMPONENT_DEFINITION_H
+
 #include <ruby.h>
 
-VALUE ComponentDefinition_Init(VALUE namespace_object, VALUE parent_class);
+VALUE ComponentDefinition_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_COMPONENT_DEFINITION_H

ext/component_instance.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_COMPONENT_INSTANCE_H
+#define SCRIPTUP_COMPONENT_INSTANCE_H
+
 #include <ruby.h>
 
-VALUE ComponentInstance_Init(VALUE namespace_object, VALUE parent_class);
+VALUE ComponentInstance_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_COMPONENT_INSTANCE_H

ext/definition_list.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_DEFINITION_LIST_H
+#define SCRIPTUP_DEFINITION_LIST_H
+
 #include <ruby.h>
 
-VALUE DefinitionList_Init(VALUE namespace_object, VALUE parent_class);
+VALUE DefinitionList_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_DEFINITION_LIST_H

ext/drawing_element.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_DRAWING_ELEMENT_H
+#define SCRIPTUP_DRAWING_ELEMENT_H
+
 #include <ruby.h>
 
-VALUE DrawingElement_Init(VALUE namespace_object, VALUE parent_class);
+VALUE DrawingElement_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_DRAWING_ELEMENT_H

ext/entities.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_ENTITIES_H
+#define SCRIPTUP_ENTITIES_H
+
 #include <ruby.h>
 
-VALUE Entities_Init(VALUE namespace_object, VALUE parent_class);
+VALUE Entities_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_ENTITIES_H

ext/entity.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_ENTITY_H
+#define SCRIPTUP_ENTITY_H
+
 #include <ruby.h>
 
-VALUE Entity_Init(VALUE namespace_object, VALUE parent_class);
+VALUE Entity_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_ENTITY_H

ext/material.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_MATERIAL_H
+#define SCRIPTUP_MATERIAL_H
+
 #include <ruby.h>
 
-void Material_Init(VALUE namespace_object, VALUE parent_class);
+void Material_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_MATERIAL_H

ext/materials.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_MATERIALS_H
+#define SCRIPTUP_MATERIALS_H
+
 #include <ruby.h>
 
-VALUE Materials_Init(VALUE namespace_object, VALUE parent_class);
+VALUE Materials_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_MATERIALS_H

ext/model.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_MODEL_H
+#define SCRIPTUP_MODEL_H
+
 #include <ruby.h>
 
-VALUE Model_Init(VALUE namespace_object, VALUE parent_class);
+VALUE Model_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_MODEL_H

ext/not_implemented.h

@@ -1,3 +1,6 @@
+#ifndef SCRIPTUP_NOT_IMPLEMENTED_H
+#define SCRIPTUP_NOT_IMPLEMENTED_H
+
 #include <ruby.h>
 
 VALUE BoundingBox_Init(VALUE namespace_object, VALUE parent_class);
@@ -11,3 +14,6 @@ VALUE Group_Init(VALUE namespace_object, VALUE parent_class);
 VALUE Image_Init(VALUE namespace_object, VALUE parent_class);
 VALUE SectionPlane_Init(VALUE namespace_object, VALUE parent_class);
 VALUE Text_Init(VALUE namespace_object, VALUE parent_class);
+
+
+#endif // SCRIPTUP_NOT_IMPLEMENTED_H

ext/sketchup.h

@@ -1,4 +1,9 @@
+#ifndef SCRIPTUP_SKETCHUP_H
+#define SCRIPTUP_SKETCHUP_H
+
 #include <SketchUpAPI/sketchup.h>
 
 SUModelRef Sketchup_get_active_model();
-void Sketchup_set_active_model(SUModelRef model);
+void Sketchup_set_active_model(SUModelRef model);
+
+#endif // SCRIPTUP_SKETCHUP_H

ext/texture.h

@@ -1,3 +1,8 @@
+#ifndef SCRIPTUP_TEXTURE_H
+#define SCRIPTUP_TEXTURE_H
+
 #include <ruby.h>
 
-void Texture_Init(VALUE namespace_object, VALUE parent_class);
+void Texture_Init(VALUE namespace_object, VALUE parent_class);
+
+#endif // SCRIPTUP_TEXTURE_H

ext/typed_value.h

@@ -1,5 +1,11 @@
+#ifndef SCRIPTUP_TYPED_VALUE_H
+#define SCRIPTUP_TYPED_VALUE_H
+
 #include <ruby.h>
 #include <SketchUpAPI/sketchup.h>
 
 VALUE TypedValue_get_value_type(SUTypedValueRef* typedValue);
 VALUE TypedValue_set_value_type(SUTypedValueRef* typedValue, VALUE value);
+
+
+#endif // SCRIPTUP_TYPED_VALUE_H

ext/utils.h

@@ -1,6 +1,8 @@
+#ifndef SCRIPTUP_UTILS_H
+#define SCRIPTUP_UTILS_H
+
 #include <ruby.h>
 
-#ifndef UTILS_H
 #ifdef TEXT
 #undef TEXT
 #endif //TEXT
@@ -101,6 +103,7 @@
 	GETUTF8FROMSTRING(name, output); \
 	SUStringRelease(&name); \
 }
-#endif // UTILS_H
 
-#pragma clang diagnostic pop
+#pragma clang diagnostic pop
+
+#endif // SCRIPTUP_UTILS_H