Constify vtables.

82 files changed, 93 insertions, 93 deletions

diff --git a/include/dom/core/node.h b/include/dom/core/node.h
index 9600e6d4..5058c788 100644
--- a/include/dom/core/node.h
+++ b/include/dom/core/node.h
@@ -77,7 +77,7 @@ typedef struct dom_node_internal dom_node_internal;
  * DOM node type
  */
 typedef struct dom_node {
-	void *vtable;
+	const void *vtable;
 	uint32_t refcnt;
 } dom_node;
 
diff --git a/src/core/attr.c b/src/core/attr.c
index e18e2a78..8fcaac38 100644
--- a/src/core/attr.c
+++ b/src/core/attr.c
@@ -49,7 +49,7 @@ struct dom_attr {
 };
 
 /* The vtable for dom_attr node */
-static struct dom_attr_vtable attr_vtable = {
+static const struct dom_attr_vtable attr_vtable = {
 	{
 		{
 			DOM_NODE_EVENT_TARGET_VTABLE,
@@ -60,7 +60,7 @@ static struct dom_attr_vtable attr_vtable = {
 };
 
 /* The protected vtable for dom_attr */
-static struct dom_node_protect_vtable attr_protect_vtable = {
+static const struct dom_node_protect_vtable attr_protect_vtable = {
 	DOM_ATTR_PROTECT_VTABLE
 };
 
diff --git a/src/core/cdatasection.c b/src/core/cdatasection.c
index c6812e3e..efba237e 100644
--- a/src/core/cdatasection.c
+++ b/src/core/cdatasection.c
@@ -20,7 +20,7 @@ struct dom_cdata_section {
 	dom_text base;		/**< Base node */
 };
 
-static struct dom_node_protect_vtable cdata_section_protect_vtable = {
+static const struct dom_node_protect_vtable cdata_section_protect_vtable = {
 	DOM_CDATA_SECTION_PROTECT_VTABLE
 };
 
diff --git a/src/core/characterdata.c b/src/core/characterdata.c
index ea665b3f..e6f5dbe0 100644
--- a/src/core/characterdata.c
+++ b/src/core/characterdata.c
@@ -21,7 +21,7 @@
 
 /* The virtual functions for dom_characterdata, we make this vtable
  * public to each child class */
-struct dom_characterdata_vtable characterdata_vtable = {
+const struct dom_characterdata_vtable characterdata_vtable = {
 	{
 		{
 			DOM_NODE_EVENT_TARGET_VTABLE
diff --git a/src/core/characterdata.h b/src/core/characterdata.h
index 0b0889c7..c8f4db39 100644
--- a/src/core/characterdata.h
+++ b/src/core/characterdata.h
@@ -116,7 +116,7 @@ dom_exception _dom_characterdata_copy(dom_node_internal *old,
 	_dom_characterdata_destroy, \
 	_dom_characterdata_copy
 
-extern struct dom_characterdata_vtable characterdata_vtable;
+extern const struct dom_characterdata_vtable characterdata_vtable;
 
 dom_exception _dom_characterdata_copy_internal(dom_characterdata *old, 
 		dom_characterdata *new);
diff --git a/src/core/comment.c b/src/core/comment.c
index 06978268..b36a1be1 100644
--- a/src/core/comment.c
+++ b/src/core/comment.c
@@ -21,7 +21,7 @@ struct dom_comment {
 	dom_characterdata base;	/**< Base node */
 };
 
-static struct dom_node_protect_vtable comment_protect_vtable = {
+static const struct dom_node_protect_vtable comment_protect_vtable = {
 	DOM_COMMENT_PROTECT_VTABLE
 };
 
diff --git a/src/core/doc_fragment.c b/src/core/doc_fragment.c
index 96cc707a..9e10a1a4 100644
--- a/src/core/doc_fragment.c
+++ b/src/core/doc_fragment.c
@@ -22,14 +22,14 @@ struct dom_document_fragment {
 	dom_node_internal base;		/**< Base node */
 };
 
-static struct dom_node_vtable df_vtable = {
+static const struct dom_node_vtable df_vtable = {
 	{
 		DOM_NODE_EVENT_TARGET_VTABLE
 	},
 	DOM_NODE_VTABLE
 };
 
-static struct dom_node_protect_vtable df_protect_vtable = {
+static const struct dom_node_protect_vtable df_protect_vtable = {
 	DOM_DF_PROTECT_VTABLE
 };
 
diff --git a/src/core/document.c b/src/core/document.c
index 7c0bcdce..40d4cd9b 100644
--- a/src/core/document.c
+++ b/src/core/document.c
@@ -42,7 +42,7 @@ struct dom_doc_nl {
 };
 
 /* The virtual functions of this dom_document */
-static struct dom_document_vtable document_vtable = {
+static const struct dom_document_vtable document_vtable = {
 	{
 		{
 			DOM_NODE_EVENT_TARGET_VTABLE
@@ -52,7 +52,7 @@ static struct dom_document_vtable document_vtable = {
 	DOM_DOCUMENT_VTABLE
 };
 
-static struct dom_node_protect_vtable document_protect_vtable = {
+static const struct dom_node_protect_vtable document_protect_vtable = {
 	DOM_DOCUMENT_PROTECT_VTABLE
 };
 
diff --git a/src/core/document_type.c b/src/core/document_type.c
index d7b1b994..a0fafddc 100644
--- a/src/core/document_type.c
+++ b/src/core/document_type.c
@@ -27,7 +27,7 @@ struct dom_document_type {
 	dom_string *system_id;	/**< Doctype system ID */
 };
 
-static struct dom_document_type_vtable document_type_vtable = {
+static const struct dom_document_type_vtable document_type_vtable = {
 	{
 		{
 			DOM_NODE_EVENT_TARGET_VTABLE
@@ -37,7 +37,7 @@ static struct dom_document_type_vtable document_type_vtable = {
 	DOM_DOCUMENT_TYPE_VTABLE
 };
 
-static struct dom_node_protect_vtable dt_protect_vtable = {
+static const struct dom_node_protect_vtable dt_protect_vtable = {
 	DOM_DT_PROTECT_VTABLE
 };
 
diff --git a/src/core/element.c b/src/core/element.c
index dbdd56b6..3b031a00 100644
--- a/src/core/element.c
+++ b/src/core/element.c
@@ -32,7 +32,7 @@
 #include "utils/list.h"
 #include "events/mutation_event.h"
 
-struct dom_element_vtable _dom_element_vtable = {
+const struct dom_element_vtable _dom_element_vtable = {
 	{
 		{
 			DOM_NODE_EVENT_TARGET_VTABLE
@@ -42,7 +42,7 @@ struct dom_element_vtable _dom_element_vtable = {
 	DOM_ELEMENT_VTABLE
 };
 
-static struct dom_element_protected_vtable element_protect_vtable = {
+static const struct dom_element_protected_vtable element_protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_ELEMENT
 	},
diff --git a/src/core/element.h b/src/core/element.h
index c89ddc01..fb946b79 100644
--- a/src/core/element.h
+++ b/src/core/element.h
@@ -238,6 +238,6 @@ dom_exception _dom_element_copy_internal(dom_element *old,
 
 dom_exception _dom_element_get_id(struct dom_element *ele, dom_string **id);
 
-extern struct dom_element_vtable _dom_element_vtable;
+extern const struct dom_element_vtable _dom_element_vtable;
 
 #endif
diff --git a/src/core/entity_ref.c b/src/core/entity_ref.c
index aa321117..bc6fbab0 100644
--- a/src/core/entity_ref.c
+++ b/src/core/entity_ref.c
@@ -20,14 +20,14 @@ struct dom_entity_reference {
 	dom_node_internal base;		/**< Base node */
 };
 
-static struct dom_node_vtable er_vtable = {
+static const struct dom_node_vtable er_vtable = {
 	{
 		DOM_NODE_EVENT_TARGET_VTABLE
 	},
 	DOM_NODE_VTABLE
 };
 
-static struct dom_node_protect_vtable er_protect_vtable = {
+static const struct dom_node_protect_vtable er_protect_vtable = {
 	DOM_ER_PROTECT_VTABLE
 };
 
diff --git a/src/core/node.c b/src/core/node.c
index b4717254..f8b8def7 100644
--- a/src/core/node.c
+++ b/src/core/node.c
@@ -55,14 +55,14 @@ static inline dom_exception _dom_node_detach_range(dom_node_internal *first,
 static inline void _dom_node_replace(dom_node_internal *old, 
 		dom_node_internal *replacement);
 
-static struct dom_node_vtable node_vtable = {
+static const struct dom_node_vtable node_vtable = {
 	{
 		DOM_NODE_EVENT_TARGET_VTABLE
 	},
 	DOM_NODE_VTABLE
 };
 
-static struct dom_node_protect_vtable node_protect_vtable = {
+static const struct dom_node_protect_vtable node_protect_vtable = {
 	DOM_NODE_PROTECT_VTABLE
 };
 
diff --git a/src/core/node.h b/src/core/node.h
index 87f3cb38..36d0ec1d 100644
--- a/src/core/node.h
+++ b/src/core/node.h
@@ -53,7 +53,7 @@ typedef struct dom_node_protect_vtable {
  */
 struct dom_node_internal {
 	struct dom_node base;		/**< The vtable base */
-	void *vtable;			/**< The protected vtable */
+	const void *vtable;		/**< The protected vtable */
 
 	dom_string *name;		/**< Node name (this is the local part
 		 			 * of a QName in the cases where a
diff --git a/src/core/pi.c b/src/core/pi.c
index d12f1095..3e69841c 100644
--- a/src/core/pi.c
+++ b/src/core/pi.c
@@ -20,14 +20,14 @@ struct dom_processing_instruction {
 	dom_node_internal base;		/**< Base node */
 };
 
-static struct dom_node_vtable pi_vtable = {
+static const struct dom_node_vtable pi_vtable = {
 	{
 		DOM_NODE_EVENT_TARGET_VTABLE
 	},
 	DOM_NODE_VTABLE
 };
 
-static struct dom_node_protect_vtable pi_protect_vtable = {
+static const struct dom_node_protect_vtable pi_protect_vtable = {
 	DOM_PI_PROTECT_VTABLE
 };
 /**
diff --git a/src/core/text.c b/src/core/text.c
index b73e86d0..f63fabe0 100644
--- a/src/core/text.c
+++ b/src/core/text.c
@@ -20,7 +20,7 @@
 #include "utils/utils.h"
 
 /* The virtual table for dom_text */
-struct dom_text_vtable text_vtable = {
+const struct dom_text_vtable text_vtable = {
 	{
 		{
 			{
@@ -33,7 +33,7 @@ struct dom_text_vtable text_vtable = {
 	DOM_TEXT_VTABLE
 };
 
-static struct dom_node_protect_vtable text_protect_vtable = {
+static const struct dom_node_protect_vtable text_protect_vtable = {
 	DOM_TEXT_PROTECT_VTABLE
 };
 
diff --git a/src/core/text.h b/src/core/text.h
index 26424ceb..3f5739b5 100644
--- a/src/core/text.h
+++ b/src/core/text.h
@@ -66,7 +66,7 @@ dom_exception _dom_text_copy(dom_node_internal *old, dom_node_internal **copy);
 	__dom_text_destroy, \
 	_dom_text_copy
 
-extern struct dom_text_vtable text_vtable;
+extern const struct dom_text_vtable text_vtable;
 
 dom_exception _dom_text_copy_internal(dom_text *old, dom_text *new);
 #define dom_text_copy_internal(o, n) \
diff --git a/src/events/event.c b/src/events/event.c
index 3fe9978f..26b245e1 100644
--- a/src/events/event.c
+++ b/src/events/event.c
@@ -18,7 +18,7 @@
 
 static void _virtual_dom_event_destroy(dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_event_destroy
 };
 
diff --git a/src/events/event.h b/src/events/event.h
index 857f20ad..7cada7b0 100644
--- a/src/events/event.h
+++ b/src/events/event.h
@@ -45,7 +45,7 @@ struct dom_event {
 
 	uint32_t refcnt;	/**< The reference count of this object */
 
-	struct dom_event_private_vtable *vtable;
+	const struct dom_event_private_vtable *vtable;
 			/**< The private virtual function table of Event */
 	bool in_dispatch;	/**< Whether this event is in dispatch */
 	bool is_initialised;	/**< Whether this event is initialised */
diff --git a/src/events/keyboard_event.c b/src/events/keyboard_event.c
index d3493554..d1fa1caf 100644
--- a/src/events/keyboard_event.c
+++ b/src/events/keyboard_event.c
@@ -15,7 +15,7 @@
 
 static void _virtual_dom_keyboard_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_keyboard_event_destroy
 };
 
diff --git a/src/events/mouse_event.c b/src/events/mouse_event.c
index b3b21541..ac1d142b 100644
--- a/src/events/mouse_event.c
+++ b/src/events/mouse_event.c
@@ -15,7 +15,7 @@
 
 static void _virtual_dom_mouse_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_mouse_event_destroy
 };
 
diff --git a/src/events/mouse_multi_wheel_event.c b/src/events/mouse_multi_wheel_event.c
index bcbe8d51..a42085a1 100644
--- a/src/events/mouse_multi_wheel_event.c
+++ b/src/events/mouse_multi_wheel_event.c
@@ -16,7 +16,7 @@
 static void _virtual_dom_mouse_multi_wheel_event_destroy(
 		struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_mouse_multi_wheel_event_destroy
 };
 
diff --git a/src/events/mouse_wheel_event.c b/src/events/mouse_wheel_event.c
index d59eab1d..5d6bdd64 100644
--- a/src/events/mouse_wheel_event.c
+++ b/src/events/mouse_wheel_event.c
@@ -15,7 +15,7 @@
 
 static void _virtual_dom_mouse_wheel_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_mouse_wheel_event_destroy
 };
 
diff --git a/src/events/mutation_event.c b/src/events/mutation_event.c
index df92c5f9..2c5ffdcb 100644
--- a/src/events/mutation_event.c
+++ b/src/events/mutation_event.c
@@ -11,7 +11,7 @@
 
 static void _virtual_dom_mutation_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_mutation_event_destroy
 };
 
diff --git a/src/events/mutation_name_event.c b/src/events/mutation_name_event.c
index e0ba82e6..13a51b5c 100644
--- a/src/events/mutation_name_event.c
+++ b/src/events/mutation_name_event.c
@@ -14,7 +14,7 @@
 
 static void _virtual_dom_mutation_name_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_mutation_name_event_destroy
 };
 
diff --git a/src/events/text_event.c b/src/events/text_event.c
index 3437716f..d0d27060 100644
--- a/src/events/text_event.c
+++ b/src/events/text_event.c
@@ -12,7 +12,7 @@
 
 static void _virtual_dom_text_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_text_event_destroy
 };
 
diff --git a/src/events/ui_event.c b/src/events/ui_event.c
index 34ec84d3..672f999d 100644
--- a/src/events/ui_event.c
+++ b/src/events/ui_event.c
@@ -11,7 +11,7 @@
 
 static void _virtual_dom_ui_event_destroy(struct dom_event *evt);
 
-static struct dom_event_private_vtable _event_vtable = {
+static const struct dom_event_private_vtable _event_vtable = {
 	_virtual_dom_ui_event_destroy
 };
 
diff --git a/src/html/html_anchor_element.c b/src/html/html_anchor_element.c
index 8d64c2b6..88fd2acf 100644
--- a/src/html/html_anchor_element.c
+++ b/src/html/html_anchor_element.c
@@ -18,7 +18,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_ANCHOR_ELEMENT
 	},
diff --git a/src/html/html_applet_element.c b/src/html/html_applet_element.c
index 93ea1b5f..f7f1afc1 100644
--- a/src/html/html_applet_element.c
+++ b/src/html/html_applet_element.c
@@ -18,7 +18,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_APPLET_ELEMENT
 	},
diff --git a/src/html/html_area_element.c b/src/html/html_area_element.c
index 828b073a..3da59d78 100644
--- a/src/html/html_area_element.c
+++ b/src/html/html_area_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_AREA_ELEMENT
 	},
diff --git a/src/html/html_base_element.c b/src/html/html_base_element.c
index 0034f7ca..f322f5b6 100644
--- a/src/html/html_base_element.c
+++ b/src/html/html_base_element.c
@@ -13,7 +13,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_BASE_ELEMENT
 	},
diff --git a/src/html/html_basefont_element.c b/src/html/html_basefont_element.c
index ac1183de..b68ae033 100644
--- a/src/html/html_basefont_element.c
+++ b/src/html/html_basefont_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_BASE_FONT_ELEMENT
 	},
diff --git a/src/html/html_body_element.c b/src/html/html_body_element.c
index 0fc4b138..4f521525 100644
--- a/src/html/html_body_element.c
+++ b/src/html/html_body_element.c
@@ -15,7 +15,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_BODY_ELEMENT
 	},
diff --git a/src/html/html_br_element.c b/src/html/html_br_element.c
index 74e3ea81..71778f67 100644
--- a/src/html/html_br_element.c
+++ b/src/html/html_br_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_BR_ELEMENT
 	},
diff --git a/src/html/html_button_element.c b/src/html/html_button_element.c
index 04a17dd2..52a36072 100644
--- a/src/html/html_button_element.c
+++ b/src/html/html_button_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_BUTTON_ELEMENT
 	},
diff --git a/src/html/html_canvas_element.c b/src/html/html_canvas_element.c
index 8e5d3fc3..71d4a53f 100644
--- a/src/html/html_canvas_element.c
+++ b/src/html/html_canvas_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_CANVAS_ELEMENT
 	},
diff --git a/src/html/html_directory_element.c b/src/html/html_directory_element.c
index 585af1c0..19db7cd8 100644
--- a/src/html/html_directory_element.c
+++ b/src/html/html_directory_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_DIRECTORY_ELEMENT
 	},
diff --git a/src/html/html_div_element.c b/src/html/html_div_element.c
index b0612469..c39af745 100644
--- a/src/html/html_div_element.c
+++ b/src/html/html_div_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_DIV_ELEMENT
 	},
diff --git a/src/html/html_dlist_element.c b/src/html/html_dlist_element.c
index ab9d4c3d..fb0ad560 100644
--- a/src/html/html_dlist_element.c
+++ b/src/html/html_dlist_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_DL_ELEMENT
 	},
diff --git a/src/html/html_document.c b/src/html/html_document.c
index 5d06e809..5471f4fc 100644
--- a/src/html/html_document.c
+++ b/src/html/html_document.c
@@ -72,7 +72,7 @@
 #include "utils/namespace.h"
 #include "utils/utils.h"
 
-static struct dom_html_document_vtable html_document_vtable = {
+static const struct dom_html_document_vtable html_document_vtable = {
 	{
 		{
 			{
@@ -85,7 +85,7 @@ static struct dom_html_document_vtable html_document_vtable = {
 	DOM_HTML_DOCUMENT_VTABLE
 };
 
-static struct dom_node_protect_vtable html_document_protect_vtable = {
+static const struct dom_node_protect_vtable html_document_protect_vtable = {
 	DOM_HTML_DOCUMENT_PROTECT_VTABLE
 };
 
diff --git a/src/html/html_element.c b/src/html/html_element.c
index 5d3df376..df0fa6ab 100644
--- a/src/html/html_element.c
+++ b/src/html/html_element.c
@@ -18,7 +18,7 @@
 #include "core/document.h"
 #include "utils/utils.h"
 
-struct dom_html_element_vtable _dom_html_element_vtable = {
+const struct dom_html_element_vtable _dom_html_element_vtable = {
 	{
 		{
 			{
@@ -31,7 +31,7 @@ struct dom_html_element_vtable _dom_html_element_vtable = {
 	DOM_HTML_ELEMENT_VTABLE
 };
 
-static struct dom_element_protected_vtable _dom_html_element_protect_vtable = {
+static const struct dom_element_protected_vtable _dom_html_element_protect_vtable = {
 	{
 		DOM_HTML_ELEMENT_PROTECT_VTABLE
 	},
diff --git a/src/html/html_element.h b/src/html/html_element.h
index 0290569c..87e1bbb1 100644
--- a/src/html/html_element.h
+++ b/src/html/html_element.h
@@ -162,7 +162,7 @@ dom_exception _dom_html_element_copy_internal(dom_html_element *old,
 #define dom_html_element_copy_internal(o, n) _dom_html_element_copy_internal( \
 		(dom_html_element *) (o), (dom_html_element *) (n))
 
-extern struct dom_html_element_vtable _dom_html_element_vtable;
+extern const struct dom_html_element_vtable _dom_html_element_vtable;
 
 #endif
 
diff --git a/src/html/html_fieldset_element.c b/src/html/html_fieldset_element.c
index fe44e746..2ab8dd0b 100644
--- a/src/html/html_fieldset_element.c
+++ b/src/html/html_fieldset_element.c
@@ -17,7 +17,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_FIELDSET_ELEMENT
 	},
diff --git a/src/html/html_font_element.c b/src/html/html_font_element.c
index ecedfb0b..38f8869d 100644
--- a/src/html/html_font_element.c
+++ b/src/html/html_font_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_FONT_ELEMENT
 	},
diff --git a/src/html/html_form_element.c b/src/html/html_form_element.c
index 1dd19926..5ba8365f 100644
--- a/src/html/html_form_element.c
+++ b/src/html/html_form_element.c
@@ -22,7 +22,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_FORM_ELEMENT
 	},
diff --git a/src/html/html_frame_element.c b/src/html/html_frame_element.c
index fe6859c9..321cff90 100644
--- a/src/html/html_frame_element.c
+++ b/src/html/html_frame_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_FRAME_ELEMENT
 	},
diff --git a/src/html/html_frameset_element.c b/src/html/html_frameset_element.c
index be44d5dd..84a52b02 100644
--- a/src/html/html_frameset_element.c
+++ b/src/html/html_frameset_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_FRAME_SET_ELEMENT
 	},
diff --git a/src/html/html_head_element.c b/src/html/html_head_element.c
index ff02b1f1..20f6aa81 100644
--- a/src/html/html_head_element.c
+++ b/src/html/html_head_element.c
@@ -13,7 +13,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_HEAD_ELEMENT
 	},
diff --git a/src/html/html_heading_element.c b/src/html/html_heading_element.c
index 8ab2c5ad..21e36c6f 100644
--- a/src/html/html_heading_element.c
+++ b/src/html/html_heading_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_HEADING_ELEMENT
 	},
diff --git a/src/html/html_hr_element.c b/src/html/html_hr_element.c
index e6086f57..8ca97432 100644
--- a/src/html/html_hr_element.c
+++ b/src/html/html_hr_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_HR_ELEMENT
 	},
diff --git a/src/html/html_html_element.c b/src/html/html_html_element.c
index 9cdcd5e0..24f35e42 100644
--- a/src/html/html_html_element.c
+++ b/src/html/html_html_element.c
@@ -13,7 +13,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_HTML_ELEMENT
 	},
diff --git a/src/html/html_iframe_element.c b/src/html/html_iframe_element.c
index 4d7272b1..96397d06 100644
--- a/src/html/html_iframe_element.c
+++ b/src/html/html_iframe_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_IFRAME_ELEMENT
 	},
diff --git a/src/html/html_image_element.c b/src/html/html_image_element.c
index 3cdd15f5..e5b9c7b3 100644
--- a/src/html/html_image_element.c
+++ b/src/html/html_image_element.c
@@ -18,7 +18,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_IMAGE_ELEMENT
 	},
diff --git a/src/html/html_input_element.c b/src/html/html_input_element.c
index 079b55eb..025ef5d2 100644
--- a/src/html/html_input_element.c
+++ b/src/html/html_input_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_INPUT_ELEMENT
 	},
diff --git a/src/html/html_isindex_element.c b/src/html/html_isindex_element.c
index 40cb99ca..e793fae5 100644
--- a/src/html/html_isindex_element.c
+++ b/src/html/html_isindex_element.c
@@ -16,7 +16,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_ISINDEX_ELEMENT
 	},
diff --git a/src/html/html_label_element.c b/src/html/html_label_element.c
index 777144a3..c62adca8 100644
--- a/src/html/html_label_element.c
+++ b/src/html/html_label_element.c
@@ -15,7 +15,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_LABEL_ELEMENT
 	},
diff --git a/src/html/html_legend_element.c b/src/html/html_legend_element.c
index efb712b8..f4200c86 100644
--- a/src/html/html_legend_element.c
+++ b/src/html/html_legend_element.c
@@ -19,7 +19,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_LEGEND_ELEMENT
 	},
diff --git a/src/html/html_li_element.c b/src/html/html_li_element.c
index 84becf91..6856046e 100644
--- a/src/html/html_li_element.c
+++ b/src/html/html_li_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_LI_ELEMENT
 	},
diff --git a/src/html/html_link_element.c b/src/html/html_link_element.c
index 87fe9802..4916883b 100644
--- a/src/html/html_link_element.c
+++ b/src/html/html_link_element.c
@@ -15,7 +15,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_LINK_ELEMENT
 	},
diff --git a/src/html/html_map_element.c b/src/html/html_map_element.c
index 3b10222f..865d9b62 100644
--- a/src/html/html_map_element.c
+++ b/src/html/html_map_element.c
@@ -19,7 +19,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_MAP_ELEMENT
 	},
diff --git a/src/html/html_menu_element.c b/src/html/html_menu_element.c
index 09eadb68..882f1f2f 100644
--- a/src/html/html_menu_element.c
+++ b/src/html/html_menu_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_MENU_ELEMENT
 	},
diff --git a/src/html/html_meta_element.c b/src/html/html_meta_element.c
index 4098daf1..39fd9e18 100644
--- a/src/html/html_meta_element.c
+++ b/src/html/html_meta_element.c
@@ -13,7 +13,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_META_ELEMENT
 	},
diff --git a/src/html/html_mod_element.c b/src/html/html_mod_element.c
index 20cb0428..4f3331cc 100644
--- a/src/html/html_mod_element.c
+++ b/src/html/html_mod_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_MOD_ELEMENT
 	},
diff --git a/src/html/html_object_element.c b/src/html/html_object_element.c
index b51e3a0f..1359ede5 100644
--- a/src/html/html_object_element.c
+++ b/src/html/html_object_element.c
@@ -20,7 +20,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_OBJECT_ELEMENT
 	},
diff --git a/src/html/html_olist_element.c b/src/html/html_olist_element.c
index c89d11fe..415b656a 100644
--- a/src/html/html_olist_element.c
+++ b/src/html/html_olist_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_OLIST_ELEMENT
 	},
diff --git a/src/html/html_opt_group_element.c b/src/html/html_opt_group_element.c
index 6af0a29b..a50e3de4 100644
--- a/src/html/html_opt_group_element.c
+++ b/src/html/html_opt_group_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_OPT_GROUP_ELEMENT
 	},
diff --git a/src/html/html_paragraph_element.c b/src/html/html_paragraph_element.c
index 2b2f4205..3c8f3849 100644
--- a/src/html/html_paragraph_element.c
+++ b/src/html/html_paragraph_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_P_ELEMENT
 	},
diff --git a/src/html/html_param_element.c b/src/html/html_param_element.c
index c75e1ce0..2c991ac2 100644
--- a/src/html/html_param_element.c
+++ b/src/html/html_param_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_PARAM_ELEMENT
 	},
diff --git a/src/html/html_pre_element.c b/src/html/html_pre_element.c
index 64c8c3df..7582fde1 100644
--- a/src/html/html_pre_element.c
+++ b/src/html/html_pre_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_PRE_ELEMENT
 	},
diff --git a/src/html/html_quote_element.c b/src/html/html_quote_element.c
index cf3e0c5d..f1bc06f5 100644
--- a/src/html/html_quote_element.c
+++ b/src/html/html_quote_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_QUOTE_ELEMENT
 	},
diff --git a/src/html/html_script_element.c b/src/html/html_script_element.c
index e8dfb1d1..9acbf296 100644
--- a/src/html/html_script_element.c
+++ b/src/html/html_script_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_SCRIPT_ELEMENT
 	},
diff --git a/src/html/html_select_element.c b/src/html/html_select_element.c
index 0801d0aa..8ba78f10 100644
--- a/src/html/html_select_element.c
+++ b/src/html/html_select_element.c
@@ -17,7 +17,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_SELECT_ELEMENT
 	},
diff --git a/src/html/html_style_element.c b/src/html/html_style_element.c
index ae845be4..4e4974fc 100644
--- a/src/html/html_style_element.c
+++ b/src/html/html_style_element.c
@@ -13,7 +13,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_STYLE_ELEMENT
 	},
diff --git a/src/html/html_table_element.c b/src/html/html_table_element.c
index f197d07d..010a6cdd 100644
--- a/src/html/html_table_element.c
+++ b/src/html/html_table_element.c
@@ -21,7 +21,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TABLE_ELEMENT
 	},
diff --git a/src/html/html_tablecaption_element.c b/src/html/html_tablecaption_element.c
index cae229c2..0e55e3ae 100644
--- a/src/html/html_tablecaption_element.c
+++ b/src/html/html_tablecaption_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TABLE_CAPTION_ELEMENT
 	},
diff --git a/src/html/html_tablecell_element.c b/src/html/html_tablecell_element.c
index 7a1f9680..2fc31c81 100644
--- a/src/html/html_tablecell_element.c
+++ b/src/html/html_tablecell_element.c
@@ -18,7 +18,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TABLE_CELL_ELEMENT
 	},
diff --git a/src/html/html_tablecol_element.c b/src/html/html_tablecol_element.c
index 74169be5..56bcd646 100644
--- a/src/html/html_tablecol_element.c
+++ b/src/html/html_tablecol_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TABLE_COL_ELEMENT
 	},
diff --git a/src/html/html_tablerow_element.c b/src/html/html_tablerow_element.c
index 569e70ff..1a6069bc 100644
--- a/src/html/html_tablerow_element.c
+++ b/src/html/html_tablerow_element.c
@@ -20,7 +20,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TABLE_ROW_ELEMENT
 	},
diff --git a/src/html/html_tablesection_element.c b/src/html/html_tablesection_element.c
index f839758f..dee5ae55 100644
--- a/src/html/html_tablesection_element.c
+++ b/src/html/html_tablesection_element.c
@@ -21,7 +21,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TABLE_SECTION_ELEMENT
 	},
diff --git a/src/html/html_text_area_element.c b/src/html/html_text_area_element.c
index 5c63c3c9..db351bc6 100644
--- a/src/html/html_text_area_element.c
+++ b/src/html/html_text_area_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TEXT_AREA_ELEMENT
 	},
diff --git a/src/html/html_title_element.c b/src/html/html_title_element.c
index 440b9d59..f727dfa6 100644
--- a/src/html/html_title_element.c
+++ b/src/html/html_title_element.c
@@ -17,7 +17,7 @@
 #include "core/node.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_TITLE_ELEMENT
 	},
diff --git a/src/html/html_ulist_element.c b/src/html/html_ulist_element.c
index f2b87fb2..48cb0c27 100644
--- a/src/html/html_ulist_element.c
+++ b/src/html/html_ulist_element.c
@@ -17,7 +17,7 @@
 #include "core/attr.h"
 #include "utils/utils.h"
 
-static struct dom_element_protected_vtable _protect_vtable = {
+static const struct dom_element_protected_vtable _protect_vtable = {
 	{
 		DOM_NODE_PROTECT_VTABLE_HTML_U_LIST_ELEMENT
 	},