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Diffstat (limited to 'Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.cpp')
| -rw-r--r-- | Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.cpp | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.cpp b/Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.cpp new file mode 100644 index 0000000000..f4e2c6d1c4 --- /dev/null +++ b/Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.cpp @@ -0,0 +1,454 @@ +/* + * Copyright (c) 2021, Andreas Kling <kling@serenityos.org> + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include <AK/URLParser.h> +#include <LibWeb/DOM/Document.h> +#include <LibWeb/HTML/HTMLHyperlinkElementUtils.h> + +namespace Web::HTML { + +HTMLHyperlinkElementUtils::~HTMLHyperlinkElementUtils() +{ +} + +// https://html.spec.whatwg.org/multipage/links.html#reinitialise-url +void HTMLHyperlinkElementUtils::reinitialize_url() const +{ + // 1. If element's url is non-null, its scheme is "blob", and its cannot-be-a-basFe-URL is true, terminate these steps. + if (m_url.has_value() && m_url->scheme() == "blob"sv && m_url->cannot_be_a_base_url()) + return; + + // 2. Set the url. + const_cast<HTMLHyperlinkElementUtils*>(this)->set_the_url(); +} + +// https://html.spec.whatwg.org/multipage/links.html#concept-hyperlink-url-set +void HTMLHyperlinkElementUtils::set_the_url() +{ + // 1. If this element's href content attribute is absent, set this element's url to null. + auto href_content_attribute = hyperlink_element_utils_href(); + if (href_content_attribute.is_null()) { + m_url = {}; + return; + } + + // 2. Otherwise, parse this element's href content attribute value relative to this element's node document. + // If parsing is successful, set this element's url to the result; otherwise, set this element's url to null. + m_url = hyperlink_element_utils_document().parse_url(href_content_attribute); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-origin +String HTMLHyperlinkElementUtils::origin() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. If this element's url is null, return the empty string. + if (!m_url.has_value()) + return String::empty(); + + // 3. Return the serialization of this element's url's origin. + return m_url->serialize_origin(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-protocol +String HTMLHyperlinkElementUtils::protocol() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. If this element's url is null, return ":". + if (!m_url.has_value()) + return ":"sv; + + // 3. Return this element's url's scheme, followed by ":". + return String::formatted("{}:", m_url->scheme()); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-protocol +void HTMLHyperlinkElementUtils::set_protocol(String protocol) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. If this element's url is null, terminate these steps. + if (!m_url.has_value()) + return; + + // 3. Basic URL parse the given value, followed by ":", with this element's url as url and scheme start state as state override. + auto result_url = URLParser::parse(String::formatted("{}:", protocol), nullptr, m_url, URLParser::State::SchemeStart); + if (result_url.is_valid()) + m_url = move(result_url); + + // 4. Update href. + update_href(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-username +String HTMLHyperlinkElementUtils::username() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. If this element's url is null, return the empty string. + if (!m_url.has_value()) + return String::empty(); + + // 3. Return this element's url's username. + return m_url->username(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-username +void HTMLHyperlinkElementUtils::set_username(String username) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url is null or url cannot have a username/password/port, then return. + if (!url.has_value() || url->cannot_have_a_username_or_password_or_port()) + return; + + // 4. Set the username given thisโs URL and the given value. + url->set_username(AK::URL::percent_encode(username, AK::URL::PercentEncodeSet::Userinfo)); + + // 5. Update href. + update_href(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-password +String HTMLHyperlinkElementUtils::password() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url is null, then return the empty string. + if (!url.has_value()) + return String::empty(); + + // 4. Return url's password. + return url->password(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-password +void HTMLHyperlinkElementUtils::set_password(String password) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url is null or url cannot have a username/password/port, then return. + if (!url.has_value() || url->cannot_have_a_username_or_password_or_port()) + return; + + // 4. Set the password, given url and the given value. + url->set_password(move(password)); + + // 5. Update href. + update_href(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-host +String HTMLHyperlinkElementUtils::host() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url or url's host is null, return the empty string. + if (!url.has_value() || url->host().is_null()) + return String::empty(); + + // 4. If url's port is null, return url's host, serialized. + if (!url->port().has_value()) + return url->host(); + + // 5. Return url's host, serialized, followed by ":" and url's port, serialized. + return String::formatted("{}:{}", url->host(), url->port().value()); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-host +void HTMLHyperlinkElementUtils::set_host(String host) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url is null or url's cannot-be-a-base-URL is true, then return. + if (!url.has_value() || url->cannot_be_a_base_url()) + return; + + // 4. Basic URL parse the given value, with url as url and host state as state override. + auto result_url = URLParser::parse(host, nullptr, url, URLParser::State::Host); + if (result_url.is_valid()) + m_url = move(result_url); + + // 5. Update href. + update_href(); +} + +String HTMLHyperlinkElementUtils::hostname() const +{ + // 1. Reinitialize url. + // + // 2. Let url be this element's url. + // + // 3. If url or url's host is null, return the empty string. + // + // 4. Return url's host, serialized. + return AK::URL(href()).host(); +} + +void HTMLHyperlinkElementUtils::set_hostname(String hostname) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url is null or url's cannot-be-a-base-URL is true, then return. + if (!url.has_value() || url->cannot_be_a_base_url()) + return; + + // 4. Basic URL parse the given value, with url as url and hostname state as state override. + auto result_url = URLParser::parse(hostname, nullptr, m_url, URLParser::State::Hostname); + if (result_url.is_valid()) + m_url = move(result_url); + + // 5. Update href. + update_href(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-port +String HTMLHyperlinkElementUtils::port() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url or url's port is null, return the empty string. + if (!url.has_value() || !url->port().has_value()) + return String::empty(); + + // 4. Return url's port, serialized. + return String::number(url->port().value()); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-port +void HTMLHyperlinkElementUtils::set_port(String port) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null or url cannot have a username/password/port, then return. + if (!m_url.has_value() || m_url->cannot_have_a_username_or_password_or_port()) + return; + + // 4. If the given value is the empty string, then set url's port to null. + if (port.is_empty()) { + m_url->set_port({}); + } else { + // 5. Otherwise, basic URL parse the given value, with url as url and port state as state override. + auto result_url = URLParser::parse(port, nullptr, m_url, URLParser::State::Port); + if (result_url.is_valid()) + m_url = move(result_url); + } + + // 6. Update href. + update_href(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-pathname +String HTMLHyperlinkElementUtils::pathname() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null, return the empty string. + if (!m_url.has_value()) + return String::empty(); + + // 4. If url's cannot-be-a-base-URL is true, then return url's path[0]. + // 5. If url's path is empty, then return the empty string. + // 6. Return "/", followed by the strings in url's path (including empty strings), separated from each other by "/". + return m_url->path(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-pathname +void HTMLHyperlinkElementUtils::set_pathname(String pathname) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null or url's cannot-be-a-base-URL is true, then return. + if (!m_url.has_value() || m_url->cannot_be_a_base_url()) + return; + + // 4. Set url's path to the empty list. + auto url = m_url; // We copy the URL here to follow other browser's behaviour of reverting the path change if the parse failed. + url->set_paths({}); + + // 5. Basic URL parse the given value, with url as url and path start state as state override. + auto result_url = URLParser::parse(pathname, nullptr, move(url), URLParser::State::PathStart); + if (result_url.is_valid()) + m_url = move(result_url); + + // 6. Update href. + update_href(); +} + +String HTMLHyperlinkElementUtils::search() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null, or url's query is either null or the empty string, return the empty string. + if (!m_url.has_value() || m_url->query().is_null() || m_url->query().is_empty()) + return String::empty(); + + // 4. Return "?", followed by url's query. + return String::formatted("?{}", m_url->query()); +} + +void HTMLHyperlinkElementUtils::set_search(String search) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null, terminate these steps. + if (!m_url.has_value()) + return; + + // 4. If the given value is the empty string, set url's query to null. + if (search.is_empty()) { + m_url->set_query({}); + } else { + // 5. Otherwise: + // 1. Let input be the given value with a single leading "?" removed, if any. + auto input = search.substring_view(search.starts_with('?')); + + // 2. Set url's query to the empty string. + auto url_copy = m_url; // We copy the URL here to follow other browser's behaviour of reverting the search change if the parse failed. + url_copy->set_query(String::empty()); + + // 3. Basic URL parse input, with null, this element's node document's document's character encoding, url as url, and query state as state override. + auto result_url = URLParser::parse(input, nullptr, move(url_copy), URLParser::State::Query); + if (result_url.is_valid()) + m_url = move(result_url); + } + + // 6. Update href. + update_href(); +} + +String HTMLHyperlinkElementUtils::hash() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null, or url's fragment is either null or the empty string, return the empty string. + if (!m_url.has_value() || m_url->fragment().is_null() || m_url->fragment().is_empty()) + return String::empty(); + + // 4. Return "#", followed by url's fragment. + return String::formatted("#{}", m_url->fragment()); +} + +void HTMLHyperlinkElementUtils::set_hash(String hash) +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + + // 3. If url is null, then return. + if (!m_url.has_value()) + return; + + // 4. If the given value is the empty string, set url's fragment to null. + if (hash.is_empty()) { + m_url->set_fragment({}); + } else { + // 5. Otherwise: + // 1. Let input be the given value with a single leading "#" removed, if any. + auto input = hash.substring_view(hash.starts_with('#')); + + // 2. Set url's fragment to the empty string. + auto url_copy = m_url; // We copy the URL here to follow other browser's behaviour of reverting the hash change if the parse failed. + url_copy->set_fragment(String::empty()); + + // 3. Basic URL parse input, with url as url and fragment state as state override. + auto result_url = URLParser::parse(input, nullptr, move(url_copy), URLParser::State::Fragment); + if (result_url.is_valid()) + m_url = move(result_url); + } + + // 6. Update href. + update_href(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-href +String HTMLHyperlinkElementUtils::href() const +{ + // 1. Reinitialize url. + reinitialize_url(); + + // 2. Let url be this element's url. + auto& url = m_url; + + // 3. If url is null and this element has no href content attribute, return the empty string. + auto href_content_attribute = hyperlink_element_utils_href(); + if (!url.has_value() && href_content_attribute.is_null()) + return String::empty(); + + // 4. Otherwise, if url is null, return this element's href content attribute's value. + if (!url->is_valid()) + return href_content_attribute; + + // 5. Return url, serialized. + return url->serialize(); +} + +// https://html.spec.whatwg.org/multipage/links.html#dom-hyperlink-href +void HTMLHyperlinkElementUtils::set_href(String href) +{ + // The href attribute's setter must set this element's href content attribute's value to the given value. + set_hyperlink_element_utils_href(move(href)); +} + +// https://html.spec.whatwg.org/multipage/links.html#update-href +void HTMLHyperlinkElementUtils::update_href() +{ + // To update href, set the element's href content attribute's value to the element's url, serialized. +} + +} |