diff options
Diffstat (limited to 'src/html/html_option_element.c')
| -rw-r--r-- | src/html/html_option_element.c | 359 |
1 files changed, 358 insertions, 1 deletions
diff --git a/src/html/html_option_element.c b/src/html/html_option_element.c index 2e182d5..1584bac 100644 --- a/src/html/html_option_element.c +++ b/src/html/html_option_element.c @@ -2,6 +2,363 @@ * This file is part of libdom. * Licensed under the MIT License, * http://www.opensource.org/licenses/mit-license.php - * Copyright 2009 Bo Yang <struggleyb.nku@gmail.com> + * Copyright 2012 John-Mark Bell <jmb@netsurf-browser.org> */ +#include <assert.h> +#include <stdlib.h> + +#include <dom/html/html_option_element.h> +#include <dom/html/html_select_element.h> + +#include "html/html_document.h" +#include "html/html_option_element.h" + +#include "core/node.h" +#include "core/attr.h" +#include "utils/utils.h" + +static struct dom_element_protected_vtable _protect_vtable = { + { + DOM_NODE_PROTECT_VTABLE_HTML_OPTION_ELEMENT + }, + DOM_HTML_OPTION_ELEMENT_PROTECT_VTABLE +}; + +/** + * Create a dom_html_option_element object + * + * \param doc The document object + * \param ele The returned element object + * \return DOM_NO_ERR on success, appropriate dom_exception on failure. + */ +dom_exception _dom_html_option_element_create(struct dom_html_document *doc, + dom_string *namespace, dom_string *prefix, + struct dom_html_option_element **ele) +{ + struct dom_node_internal *node; + + *ele = malloc(sizeof(dom_html_option_element)); + if (*ele == NULL) + return DOM_NO_MEM_ERR; + + /* Set up vtables */ + node = (struct dom_node_internal *) *ele; + node->base.vtable = &_dom_html_element_vtable; + node->vtable = &_protect_vtable; + + return _dom_html_option_element_initialise(doc, namespace, prefix, *ele); +} + +/** + * Initialise a dom_html_option_element object + * + * \param doc The document object + * \param ele The dom_html_option_element object + * \return DOM_NO_ERR on success, appropriate dom_exception on failure. + */ +dom_exception _dom_html_option_element_initialise(struct dom_html_document *doc, + dom_string *namespace, dom_string *prefix, + struct dom_html_option_element *ele) +{ + ele->default_selected = false; + ele->default_selected_set = false; + + return _dom_html_element_initialise(doc, &ele->base, + doc->memoised[hds_OPTION], + namespace, prefix); +} + +/** + * Finalise a dom_html_option_element object + * + * \param ele The dom_html_option_element object + */ +void _dom_html_option_element_finalise(struct dom_html_option_element *ele) +{ + _dom_html_element_finalise(&ele->base); +} + +/** + * Destroy a dom_html_option_element object + * + * \param ele The dom_html_option_element object + */ +void _dom_html_option_element_destroy(struct dom_html_option_element *ele) +{ + _dom_html_option_element_finalise(ele); + free(ele); +} + +/*-----------------------------------------------------------------------*/ +/* Public APIs */ + +dom_exception dom_html_option_element_get_form( + dom_html_option_element *option, dom_html_form_element **form) +{ + dom_html_document *doc; + dom_node_internal *select = ((dom_node_internal *) option)->parent; + + doc = (dom_html_document *) ((dom_node_internal *) option)->owner; + + /* Search ancestor chain for SELECT element */ + while (select != NULL) { + if (select->type == DOM_ELEMENT_NODE && + dom_string_caseless_isequal(select->name, + doc->memoised[hds_SELECT])) + break; + + select = select->parent; + } + + if (select != NULL) { + return dom_html_select_element_get_form((dom_html_select_element *) select, + form); + } + + *form = NULL; + + return DOM_NO_ERR; +} + +/** + * Get the defaultSelected property + * + * \param option The dom_html_option_element object + * \param default_selected Pointer to location to receive value + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_get_default_selected( + dom_html_option_element *option, bool *default_selected) +{ + *default_selected = option->default_selected; + + return DOM_NO_ERR; +} + +/** + * Set the defaultSelected property + * + * \param option The dom_html_option_element object + * \param default_selected New value for property + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_set_default_selected( + dom_html_option_element *option, bool default_selected) +{ + option->default_selected = default_selected; + option->default_selected_set = true; + + return DOM_NO_ERR; +} + +/** + * Get the text contained in the option + * + * \param option The dom_html_option_element object + * \param text Pointer to location to receive text + * \return DOM_NO_ERR on success, appropriate error otherwise + */ +dom_exception dom_html_option_element_get_text( + dom_html_option_element *option, dom_string **text) +{ + return dom_node_get_text_content(option, text); +} + +/** + * Obtain the index of this option in its parent + * + * \param option The dom_html_option_element object + * \param index Pointer to receive zero-based index + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_get_index( + dom_html_option_element *option, unsigned long *index) +{ + UNUSED(option); + UNUSED(index); + + /** \todo Implement */ + return DOM_NOT_SUPPORTED_ERR; +} + +/** + * Get the disabled property + * + * \param ele The dom_html_option_element object + * \param disabled The returned status + * \return DOM_NO_ERR on success, appropriate dom_exception on failure. + */ +dom_exception dom_html_option_element_get_disabled(dom_html_option_element *ele, + bool *disabled) +{ + return dom_html_element_get_bool_property(&ele->base, "disabled", + SLEN("disabled"), disabled); +} + +/** + * Set the disabled property + * + * \param ele The dom_html_option_element object + * \param disabled The status + * \return DOM_NO_ERR on success, appropriate dom_exception on failure. + */ +dom_exception dom_html_option_element_set_disabled(dom_html_option_element *ele, + bool disabled) +{ + return dom_html_element_set_bool_property(&ele->base, "disabled", + SLEN("disabled"), disabled); +} + +/** + * Get the label property + * + * \param option The dom_html_option_element object + * \param label Pointer to location to receive label + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_get_label( + dom_html_option_element *option, dom_string **label) +{ + dom_html_document *doc; + + doc = (dom_html_document *) ((dom_node_internal *) option)->owner; + + return dom_element_get_attribute(option, + doc->memoised[hds_label], label); +} + +/** + * Set the label property + * + * \param option The dom_html_option_element object + * \param label Label value + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_set_label( + dom_html_option_element *option, dom_string *label) +{ + dom_html_document *doc; + + doc = (dom_html_document *) ((dom_node_internal *) option)->owner; + + return dom_element_set_attribute(option, + doc->memoised[hds_label], label); +} + +/** + * Get the selected property + * + * \param ele The dom_html_option_element object + * \param selected The returned status + * \return DOM_NO_ERR on success, appropriate dom_exception on failure. + */ +dom_exception dom_html_option_element_get_selected(dom_html_option_element *ele, + bool *selected) +{ + return dom_html_element_get_bool_property(&ele->base, "selected", + SLEN("selected"), selected); +} + +/** + * Set the selected property + * + * \param ele The dom_html_option_element object + * \param selected The status + * \return DOM_NO_ERR on success, appropriate dom_exception on failure. + */ +dom_exception dom_html_option_element_set_selected(dom_html_option_element *ele, + bool selected) +{ + return dom_html_element_set_bool_property(&ele->base, "selected", + SLEN("selected"), selected); +} + +/** + * Get the value property + * + * \param option The dom_html_option_element object + * \param value Pointer to location to receive property value + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_get_value( + dom_html_option_element *option, dom_string **value) +{ + dom_html_document *doc; + bool has_value = false; + dom_exception err; + + doc = (dom_html_document *) ((dom_node_internal *) option)->owner; + + err = dom_element_has_attribute(option, + doc->memoised[hds_value], &has_value); + if (err != DOM_NO_ERR) + return err; + + if (has_value) { + return dom_element_get_attribute(option, + doc->memoised[hds_value], value); + } + + return dom_html_option_element_get_text(option, value); +} + +/** + * Set the value property + * + * \param option The dom_html_option_element object + * \param value Property value + * \return DOM_NO_ERR on success, appropriate error otherwise. + */ +dom_exception dom_html_option_element_set_value( + dom_html_option_element *option, dom_string *value) +{ + dom_html_document *doc; + + doc = (dom_html_document *) ((dom_node_internal *) option)->owner; + + return dom_element_set_attribute(option, + doc->memoised[hds_value], value); +} + +/*------------------------------------------------------------------------*/ +/* The protected virtual functions */ + +/* The virtual function used to parse attribute value, see src/core/element.c + * for detail */ +dom_exception _dom_html_option_element_parse_attribute(dom_element *ele, + dom_string *name, dom_string *value, + dom_string **parsed) +{ + dom_html_option_element *option = (dom_html_option_element *)ele; + dom_html_document *html = (dom_html_document *)(ele->base.owner); + + /** \todo Find some way to do the equiv for default_selected to be + * false instead of true. Some end-tag hook in the binding perhaps? + */ + if (dom_string_caseless_isequal(name, html->memoised[hds_selected])) { + if (option->default_selected_set == false) { + option->default_selected = true; + option->default_selected_set = true; + } + } + + dom_string_ref(value); + *parsed = value; + + return DOM_NO_ERR; +} + +/* The virtual destroy function, see src/core/node.c for detail */ +void _dom_virtual_html_option_element_destroy(dom_node_internal *node) +{ + _dom_html_option_element_destroy((struct dom_html_option_element *) node); +} + +/* The virtual copy function, see src/core/node.c for detail */ +dom_exception _dom_html_option_element_copy(dom_node_internal *old, + dom_node_internal **copy) +{ + return _dom_html_element_copy(old, copy); +} + |