diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/element.c | 197 | ||||
| -rw-r--r-- | src/core/element.h | 89 |
2 files changed, 217 insertions, 69 deletions
diff --git a/src/core/element.c b/src/core/element.c index 37e3a7e..01a61ba 100644 --- a/src/core/element.c +++ b/src/core/element.c @@ -19,19 +19,15 @@ #include "utils/namespace.h" #include "utils/utils.h" -/** - * DOM element node - */ -struct dom_element { - struct dom_node base; /**< Base node */ - - struct dom_attr *attributes; /**< Element attributes */ - - struct dom_type_info *schema_type_info; /**< Type information */ +static struct dom_element_vtable element_vtable = { + { + DOM_NODE_VTABLE + }, + DOM_ELEMENT_VTABLE }; /** - * Create an element node + * Initialize an element node * * \param doc The owning document * \param name The (local) name of the node to create @@ -47,19 +43,16 @@ struct dom_element { * * The returned element will already be referenced. */ -dom_exception dom_element_create(struct dom_document *doc, +dom_exception dom_element_initialize(struct dom_element *el, struct dom_string *name, struct dom_string *namespace, struct dom_string *prefix, struct dom_element **result) { - struct dom_element *el; dom_exception err; + struct dom_document *doc; - /** \todo Sanity check the tag name */ + dom_node_get_owner_document(el, &doc); - /* Allocate the element */ - el = dom_document_alloc(doc, NULL, sizeof(struct dom_element)); - if (el == NULL) - return DOM_NO_MEM_ERR; + /** \todo Sanity check the tag name */ /* Initialise the base class */ err = dom_node_initialise(&el->base, doc, DOM_ELEMENT_NODE, @@ -73,12 +66,49 @@ dom_exception dom_element_create(struct dom_document *doc, el->attributes = NULL; el->schema_type_info = NULL; + /* Init the vtable's destroy function */ + el->base.base.vtable = &element_vtable; + el->base.destroy = &_dom_element_destroy; + *result = el; return DOM_NO_ERR; } /** + * Create an element node + * + * \param doc The owning document + * \param name The (local) name of the node to create + * \param namespace The namespace URI of the element, or NULL + * \param prefix The namespace prefix of the element, or NULL + * \param result Pointer to location to receive created element + * \return DOM_NO_ERR on success, + * DOM_INVALID_CHARACTER_ERR if ::name is invalid, + * DOM_NO_MEM_ERR on memory exhaustion. + * + * ::doc, ::name, ::namespace and ::prefix will have their + * reference counts increased. + * + * The returned element will already be referenced. + */ +dom_exception dom_element_create(struct dom_document *doc, + struct dom_string *name, struct dom_string *namespace, + struct dom_string *prefix, struct dom_element **result) +{ + struct dom_element *el; + + /* Allocate the element */ + el = dom_document_alloc(doc, NULL, sizeof(struct dom_element)); + if (el == NULL) + return DOM_NO_MEM_ERR; + + dom_element_initialize(el, name, namespace, prefix, result); + + return DOM_NO_ERR; +} + +/** * Destroy an element * * \param doc The owning document @@ -89,7 +119,7 @@ dom_exception dom_element_create(struct dom_document *doc, void dom_element_destroy(struct dom_document *doc, struct dom_element *element) { - struct dom_node *c, *d; + struct dom_node_internal *c, *d; /* Destroy children of this node */ for (c = element->base.first_child; c != NULL; c = d) { @@ -114,7 +144,7 @@ void dom_element_destroy(struct dom_document *doc, } /* Destroy attributes attached to this node */ - for (c = (struct dom_node *) element->attributes; + for (c = (struct dom_node_internal *) element->attributes; c != NULL; c = d) { d = c->next; @@ -148,6 +178,19 @@ void dom_element_destroy(struct dom_document *doc, } /** + * The destroy virtual function of dom_element + * + * \param element The element to be destroyed + **/ +void _dom_element_destroy(struct dom_node_internal *node) +{ + struct dom_document *doc; + dom_node_get_owner_document(node, &doc); + + dom_element_destroy(doc, (struct dom_element *) node); +} + +/** * Retrieve an element's tag name * * \param element The element to retrieve the name from @@ -159,7 +202,7 @@ void dom_element_destroy(struct dom_document *doc, * the responsibility of the caller to unref the string once it has * finished with it. */ -dom_exception dom_element_get_tag_name(struct dom_element *element, +dom_exception _dom_element_get_tag_name(struct dom_element *element, struct dom_string **name) { /* This is the same as nodeName */ @@ -178,10 +221,11 @@ dom_exception dom_element_get_tag_name(struct dom_element *element, * the responsibility of the caller to unref the string once it has * finished with it. */ -dom_exception dom_element_get_attribute(struct dom_element *element, +dom_exception _dom_element_get_attribute(struct dom_element *element, struct dom_string *name, struct dom_string **value) { - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /* Search attributes, looking for name */ for (; a != NULL; a = a->next) { @@ -209,11 +253,12 @@ dom_exception dom_element_get_attribute(struct dom_element *element, * DOM_INVALID_CHARACTER_ERR if ::name is invalid, * DOM_NO_MODIFICATION_ALLOWED_ERR if ::element is readonly. */ -dom_exception dom_element_set_attribute(struct dom_element *element, +dom_exception _dom_element_set_attribute(struct dom_element *element, struct dom_string *name, struct dom_string *value) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /** \todo validate name */ @@ -250,11 +295,11 @@ dom_exception dom_element_set_attribute(struct dom_element *element, return err; } - a = (struct dom_node *) attr; + a = (struct dom_node_internal *) attr; /* And insert it into the element */ a->previous = NULL; - a->next = (struct dom_node *) element->attributes; + a->next = (struct dom_node_internal *) element->attributes; if (a->next != NULL) a->next->previous = a; @@ -273,11 +318,12 @@ dom_exception dom_element_set_attribute(struct dom_element *element, * \return DOM_NO_ERR on success, * DOM_NO_MODIFICATION_ALLOWED_ERR if ::element is readonly. */ -dom_exception dom_element_remove_attribute(struct dom_element *element, +dom_exception _dom_element_remove_attribute(struct dom_element *element, struct dom_string *name) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /* Ensure element can be written to */ if (_dom_node_readonly(e)) @@ -322,10 +368,11 @@ dom_exception dom_element_remove_attribute(struct dom_element *element, * the responsibility of the caller to unref the node once it has * finished with it. */ -dom_exception dom_element_get_attribute_node(struct dom_element *element, +dom_exception _dom_element_get_attribute_node(struct dom_element *element, struct dom_string *name, struct dom_attr **result) { - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /* Search attributes, looking for name */ for (; a != NULL; a = a->next) { @@ -357,11 +404,11 @@ dom_exception dom_element_get_attribute_node(struct dom_element *element, * the responsibility of the caller to unref the node once it has * finished with it. */ -dom_exception dom_element_set_attribute_node(struct dom_element *element, +dom_exception _dom_element_set_attribute_node(struct dom_element *element, struct dom_attr *attr, struct dom_attr **result) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) attr; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) attr; struct dom_attr *prev = NULL; /* Ensure element and attribute belong to the same document */ @@ -382,7 +429,8 @@ dom_exception dom_element_set_attribute_node(struct dom_element *element, /* Search for existing attribute with same name */ prev = element->attributes; while (prev != NULL) { - struct dom_node *p = (struct dom_node *) prev; + struct dom_node_internal *p = + (struct dom_node_internal *) prev; if (dom_string_cmp(a->name, p->name) == 0) break; @@ -394,7 +442,8 @@ dom_exception dom_element_set_attribute_node(struct dom_element *element, if (prev != NULL) { /* Found an existing attribute, so replace it */ - struct dom_node *p = (struct dom_node *) prev; + struct dom_node_internal *p = + (struct dom_node_internal *) prev; a->previous = p->previous; a->next = p->next; @@ -414,7 +463,8 @@ dom_exception dom_element_set_attribute_node(struct dom_element *element, } else { /* No existing attribute, so insert at front of list */ a->previous = NULL; - a->next = (struct dom_node *) element->attributes; + a->next = (struct dom_node_internal *) + element->attributes; if (a->next != NULL) a->next->previous = a; @@ -446,11 +496,11 @@ dom_exception dom_element_set_attribute_node(struct dom_element *element, * the responsibility of the caller to unref the node once it has * finished with it. */ -dom_exception dom_element_remove_attribute_node(struct dom_element *element, +dom_exception _dom_element_remove_attribute_node(struct dom_element *element, struct dom_attr *attr, struct dom_attr **result) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) attr; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) attr; /* Ensure element can be written to */ if (_dom_node_readonly(e)) @@ -493,7 +543,7 @@ dom_exception dom_element_remove_attribute_node(struct dom_element *element, * the responsibility of the caller to unref the nodelist once it has * finished with it. */ -dom_exception dom_element_get_elements_by_tag_name( +dom_exception _dom_element_get_elements_by_tag_name( struct dom_element *element, struct dom_string *name, struct dom_nodelist **result) { @@ -518,11 +568,12 @@ dom_exception dom_element_get_elements_by_tag_name( * the responsibility of the caller to unref the string once it has * finished with it. */ -dom_exception dom_element_get_attribute_ns(struct dom_element *element, +dom_exception _dom_element_get_attribute_ns(struct dom_element *element, struct dom_string *namespace, struct dom_string *localname, struct dom_string **value) { - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /** \todo ensure implementation supports XML */ @@ -574,12 +625,13 @@ dom_exception dom_element_get_attribute_ns(struct dom_element *element, * Document does not support * Namespaces. */ -dom_exception dom_element_set_attribute_ns(struct dom_element *element, +dom_exception _dom_element_set_attribute_ns(struct dom_element *element, struct dom_string *namespace, struct dom_string *qname, struct dom_string *value) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; struct dom_string *prefix, *localname; dom_exception err; @@ -659,11 +711,11 @@ dom_exception dom_element_set_attribute_ns(struct dom_element *element, return err; } - a = (struct dom_node *) attr; + a = (struct dom_node_internal *) attr; /* And insert it into the element */ a->previous = NULL; - a->next = (struct dom_node *) element->attributes; + a->next = (struct dom_node_internal *) element->attributes; if (a->next != NULL) a->next->previous = a; @@ -688,11 +740,12 @@ dom_exception dom_element_set_attribute_ns(struct dom_element *element, * Document does not support * Namespaces. */ -dom_exception dom_element_remove_attribute_ns(struct dom_element *element, +dom_exception _dom_element_remove_attribute_ns(struct dom_element *element, struct dom_string *namespace, struct dom_string *localname) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /** \todo ensure XML feature is supported */ @@ -747,11 +800,12 @@ dom_exception dom_element_remove_attribute_ns(struct dom_element *element, * the responsibility of the caller to unref the node once it has * finished with it. */ -dom_exception dom_element_get_attribute_node_ns(struct dom_element *element, +dom_exception _dom_element_get_attribute_node_ns(struct dom_element *element, struct dom_string *namespace, struct dom_string *localname, struct dom_attr **result) { - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /** \todo ensure XML feature is supported */ @@ -793,11 +847,11 @@ dom_exception dom_element_get_attribute_node_ns(struct dom_element *element, * the responsibility of the caller to unref the node once it has * finished with it. */ -dom_exception dom_element_set_attribute_node_ns(struct dom_element *element, +dom_exception _dom_element_set_attribute_node_ns(struct dom_element *element, struct dom_attr *attr, struct dom_attr **result) { - struct dom_node *e = (struct dom_node *) element; - struct dom_node *a = (struct dom_node *) attr; + struct dom_node_internal *e = (struct dom_node_internal *) element; + struct dom_node_internal *a = (struct dom_node_internal *) attr; struct dom_attr *prev = NULL; /** \todo ensure XML feature is supported */ @@ -820,7 +874,8 @@ dom_exception dom_element_set_attribute_node_ns(struct dom_element *element, /* Search for existing attribute with same namespace/localname */ prev = element->attributes; while (prev != NULL) { - struct dom_node *p = (struct dom_node *) prev; + struct dom_node_internal *p = + (struct dom_node_internal *) prev; if (((a->namespace == NULL && p->namespace == NULL) || (a->namespace != NULL && @@ -836,7 +891,8 @@ dom_exception dom_element_set_attribute_node_ns(struct dom_element *element, if (prev != NULL) { /* Found an existing attribute, so replace it */ - struct dom_node *p = (struct dom_node *) prev; + struct dom_node_internal *p = + (struct dom_node_internal *) prev; a->previous = p->previous; a->next = p->next; @@ -856,7 +912,8 @@ dom_exception dom_element_set_attribute_node_ns(struct dom_element *element, } else { /* No existing attribute, so insert at front of list */ a->previous = NULL; - a->next = (struct dom_node *) element->attributes; + a->next = (struct dom_node_internal *) + element->attributes; if (a->next != NULL) a->next->previous = a; @@ -891,7 +948,7 @@ dom_exception dom_element_set_attribute_node_ns(struct dom_element *element, * the responsibility of the caller to unref the nodelist once it has * finished with it. */ -dom_exception dom_element_get_elements_by_tag_name_ns( +dom_exception _dom_element_get_elements_by_tag_name_ns( struct dom_element *element, struct dom_string *namespace, struct dom_string *localname, struct dom_nodelist **result) { @@ -910,10 +967,11 @@ dom_exception dom_element_get_elements_by_tag_name_ns( * \param result Pointer to location to receive result * \return DOM_NO_ERR. */ -dom_exception dom_element_has_attribute(struct dom_element *element, +dom_exception _dom_element_has_attribute(struct dom_element *element, struct dom_string *name, bool *result) { - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /* Search attributes, looking for name */ for (; a != NULL; a = a->next) { @@ -940,11 +998,12 @@ dom_exception dom_element_has_attribute(struct dom_element *element, * through the Document does not support * Namespaces. */ -dom_exception dom_element_has_attribute_ns(struct dom_element *element, +dom_exception _dom_element_has_attribute_ns(struct dom_element *element, struct dom_string *namespace, struct dom_string *localname, bool *result) { - struct dom_node *a = (struct dom_node *) element->attributes; + struct dom_node_internal *a = (struct dom_node_internal *) + element->attributes; /** \todo ensure XML feature is supported */ @@ -973,7 +1032,7 @@ dom_exception dom_element_has_attribute_ns(struct dom_element *element, * the responsibility of the caller to unref the typeinfo once it has * finished with it. */ -dom_exception dom_element_get_schema_type_info(struct dom_element *element, +dom_exception _dom_element_get_schema_type_info(struct dom_element *element, struct dom_type_info **result) { UNUSED(element); @@ -993,7 +1052,7 @@ dom_exception dom_element_get_schema_type_info(struct dom_element *element, * DOM_NOT_FOUND_ERR if the specified node is not an * attribute of ::element. */ -dom_exception dom_element_set_id_attribute(struct dom_element *element, +dom_exception _dom_element_set_id_attribute(struct dom_element *element, struct dom_string *name, bool is_id) { UNUSED(element); @@ -1015,7 +1074,7 @@ dom_exception dom_element_set_id_attribute(struct dom_element *element, * DOM_NOT_FOUND_ERR if the specified node is not an * attribute of ::element. */ -dom_exception dom_element_set_id_attribute_ns(struct dom_element *element, +dom_exception _dom_element_set_id_attribute_ns(struct dom_element *element, struct dom_string *namespace, struct dom_string *localname, bool is_id) { @@ -1038,7 +1097,7 @@ dom_exception dom_element_set_id_attribute_ns(struct dom_element *element, * DOM_NOT_FOUND_ERR if the specified node is not an * attribute of ::element. */ -dom_exception dom_element_set_id_attribute_node(struct dom_element *element, +dom_exception _dom_element_set_id_attribute_node(struct dom_element *element, struct dom_attr *id_attr, bool is_id) { UNUSED(element); diff --git a/src/core/element.h b/src/core/element.h index 35e1323..7a674e3 100644 --- a/src/core/element.h +++ b/src/core/element.h @@ -17,14 +17,33 @@ struct dom_element; struct dom_namednodemap; struct dom_node; struct dom_string; +struct dom_attr; +struct dom_type_info; + +/** + * DOM element node + */ +struct dom_element { + struct dom_node_internal base; /**< Base node */ + + struct dom_attr *attributes; /**< Element attributes */ + + struct dom_type_info *schema_type_info; /**< Type information */ +}; dom_exception dom_element_create(struct dom_document *doc, struct dom_string *name, struct dom_string *namespace, struct dom_string *prefix, struct dom_element **result); +dom_exception dom_element_initialize(struct dom_element *el, + struct dom_string *name, struct dom_string *namespace, + struct dom_string *prefix, struct dom_element **result); + void dom_element_destroy(struct dom_document *doc, struct dom_element *element); +void _dom_element_destroy(struct dom_node_internal *node); + dom_exception dom_element_get_attributes(struct dom_element *element, struct dom_namednodemap **result); @@ -33,4 +52,74 @@ dom_exception dom_element_has_attributes(struct dom_element *element, struct dom_node *dom_element_get_first_attribute(struct dom_element *element); +/* The virtual functions of dom_element */ +dom_exception _dom_element_get_tag_name(struct dom_element *element, + struct dom_string **name); +dom_exception _dom_element_get_attribute(struct dom_element *element, + struct dom_string *name, struct dom_string **value); +dom_exception _dom_element_set_attribute(struct dom_element *element, + struct dom_string *name, struct dom_string *value); +dom_exception _dom_element_remove_attribute(struct dom_element *element, + struct dom_string *name); +dom_exception _dom_element_get_attribute_node(struct dom_element *element, + struct dom_string *name, struct dom_attr **result); +dom_exception _dom_element_set_attribute_node(struct dom_element *element, + struct dom_attr *attr, struct dom_attr **result); +dom_exception _dom_element_remove_attribute_node(struct dom_element *element, + struct dom_attr *attr, struct dom_attr **result); +dom_exception _dom_element_get_elements_by_tag_name(struct dom_element *element, + struct dom_string *name, struct dom_nodelist **result); +dom_exception _dom_element_get_attribute_ns(struct dom_element *element, + struct dom_string *namespace, struct dom_string *localname, + struct dom_string **value); +dom_exception _dom_element_set_attribute_ns(struct dom_element *element, + struct dom_string *namespace, struct dom_string *qname, + struct dom_string *value); +dom_exception _dom_element_remove_attribute_ns(struct dom_element *element, + struct dom_string *namespace, struct dom_string *localname); +dom_exception _dom_element_get_attribute_node_ns(struct dom_element *element, + struct dom_string *namespace, struct dom_string *localname, + struct dom_attr **result); +dom_exception _dom_element_set_attribute_node_ns(struct dom_element *element, + struct dom_attr *attr, struct dom_attr **result); +dom_exception _dom_element_get_elements_by_tag_name_ns( + struct dom_element *element, struct dom_string *namespace, + struct dom_string *localname, struct dom_nodelist **result); +dom_exception _dom_element_has_attribute(struct dom_element *element, + struct dom_string *name, bool *result); +dom_exception _dom_element_has_attribute_ns(struct dom_element *element, + struct dom_string *namespace, struct dom_string *localname, + bool *result); +dom_exception _dom_element_get_schema_type_info(struct dom_element *element, + struct dom_type_info **result); +dom_exception _dom_element_set_id_attribute(struct dom_element *element, + struct dom_string *name, bool is_id); +dom_exception _dom_element_set_id_attribute_ns(struct dom_element *element, + struct dom_string *namespace, struct dom_string *localname, + bool is_id); +dom_exception _dom_element_set_id_attribute_node(struct dom_element *element, + struct dom_attr *id_attr, bool is_id); + +#define DOM_ELEMENT_VTABLE \ + _dom_element_get_tag_name, \ + _dom_element_get_attribute, \ + _dom_element_set_attribute, \ + _dom_element_remove_attribute, \ + _dom_element_get_attribute_node, \ + _dom_element_set_attribute_node, \ + _dom_element_remove_attribute_node, \ + _dom_element_get_elements_by_tag_name, \ + _dom_element_get_attribute_ns, \ + _dom_element_set_attribute_ns, \ + _dom_element_remove_attribute_ns, \ + _dom_element_get_attribute_node_ns, \ + _dom_element_set_attribute_node_ns, \ + _dom_element_get_elements_by_tag_name_ns, \ + _dom_element_has_attribute, \ + _dom_element_has_attribute_ns, \ + _dom_element_get_schema_type_info, \ + _dom_element_set_id_attribute, \ + _dom_element_set_id_attribute_ns, \ + _dom_element_set_id_attribute_node + #endif |