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forgot netsurf zig API
Signed-off-by: Francis Bouvier <francis.bouvier@gmail.com>
This commit is contained in:
Francis Bouvier
369
src/netsurf.zig
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369
src/netsurf.zig
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@@ -0,0 +1,369 @@
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const std = @import("std");
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const cp = @cImport({
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@cInclude("wrapper.h");
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});
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const c = @cImport({
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@cInclude("core/node.h");
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@cInclude("core/document.h");
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@cInclude("core/element.h");
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@cInclude("html/html_document.h");
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@cInclude("html/html_element.h");
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@cInclude("html/html_anchor_element.h");
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@cInclude("html/html_area_element.h");
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@cInclude("html/html_br_element.h");
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@cInclude("html/html_base_element.h");
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@cInclude("html/html_body_element.h");
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@cInclude("html/html_button_element.h");
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@cInclude("html/html_canvas_element.h");
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@cInclude("html/html_dlist_element.h");
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@cInclude("html/html_div_element.h");
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@cInclude("html/html_fieldset_element.h");
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@cInclude("html/html_frameset_element.h");
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@cInclude("html/html_hr_element.h");
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@cInclude("html/html_head_element.h");
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@cInclude("html/html_heading_element.h");
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@cInclude("html/html_html_element.h");
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@cInclude("html/html_iframe_element.h");
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@cInclude("html/html_image_element.h");
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@cInclude("html/html_input_element.h");
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@cInclude("html/html_li_element.h");
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@cInclude("html/html_label_element.h");
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@cInclude("html/html_legend_element.h");
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@cInclude("html/html_link_element.h");
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@cInclude("html/html_map_element.h");
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@cInclude("html/html_meta_element.h");
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@cInclude("html/html_mod_element.h");
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@cInclude("html/html_olist_element.h");
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@cInclude("html/html_object_element.h");
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@cInclude("html/html_opt_group_element.h");
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@cInclude("html/html_option_element.h");
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@cInclude("html/html_paragraph_element.h");
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@cInclude("html/html_pre_element.h");
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@cInclude("html/html_quote_element.h");
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@cInclude("html/html_script_element.h");
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@cInclude("html/html_select_element.h");
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@cInclude("html/html_style_element.h");
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@cInclude("html/html_table_element.h");
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@cInclude("html/html_tablecell_element.h");
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@cInclude("html/html_tablecol_element.h");
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@cInclude("html/html_text_area_element.h");
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@cInclude("html/html_title_element.h");
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@cInclude("html/html_ulist_element.h");
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});
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// Utils
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const String = c.dom_string;
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inline fn stringToData(s: *String) []const u8 {
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const data = c.dom_string_data(s);
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return data[0..c.dom_string_byte_length(s)];
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}
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inline fn stringFromData(data: []const u8) *String {
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var s: ?*String = null;
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_ = c.dom_string_create(data.ptr, data.len, &s);
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return s.?;
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}
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// Tag
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pub const Tag = enum(u8) {
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a = c.DOM_HTML_ELEMENT_TYPE_A,
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area = c.DOM_HTML_ELEMENT_TYPE_AREA,
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audio = c.DOM_HTML_ELEMENT_TYPE_AUDIO,
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br = c.DOM_HTML_ELEMENT_TYPE_BR,
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base = c.DOM_HTML_ELEMENT_TYPE_BASE,
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body = c.DOM_HTML_ELEMENT_TYPE_BODY,
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button = c.DOM_HTML_ELEMENT_TYPE_BUTTON,
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canvas = c.DOM_HTML_ELEMENT_TYPE_CANVAS,
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dl = c.DOM_HTML_ELEMENT_TYPE_DL,
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dialog = c.DOM_HTML_ELEMENT_TYPE_DIALOG,
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data = c.DOM_HTML_ELEMENT_TYPE_DATA,
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div = c.DOM_HTML_ELEMENT_TYPE_DIV,
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embed = c.DOM_HTML_ELEMENT_TYPE_EMBED,
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fieldset = c.DOM_HTML_ELEMENT_TYPE_FIELDSET,
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form = c.DOM_HTML_ELEMENT_TYPE_FORM,
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frameset = c.DOM_HTML_ELEMENT_TYPE_FRAMESET,
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hr = c.DOM_HTML_ELEMENT_TYPE_HR,
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head = c.DOM_HTML_ELEMENT_TYPE_HEAD,
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h1 = c.DOM_HTML_ELEMENT_TYPE_H1,
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h2 = c.DOM_HTML_ELEMENT_TYPE_H2,
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h3 = c.DOM_HTML_ELEMENT_TYPE_H3,
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h4 = c.DOM_HTML_ELEMENT_TYPE_H4,
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h5 = c.DOM_HTML_ELEMENT_TYPE_H5,
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h6 = c.DOM_HTML_ELEMENT_TYPE_H6,
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html = c.DOM_HTML_ELEMENT_TYPE_HTML,
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iframe = c.DOM_HTML_ELEMENT_TYPE_IFRAME,
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img = c.DOM_HTML_ELEMENT_TYPE_IMG,
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input = c.DOM_HTML_ELEMENT_TYPE_INPUT,
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li = c.DOM_HTML_ELEMENT_TYPE_LI,
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label = c.DOM_HTML_ELEMENT_TYPE_LABEL,
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legend = c.DOM_HTML_ELEMENT_TYPE_LEGEND,
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link = c.DOM_HTML_ELEMENT_TYPE_LINK,
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map = c.DOM_HTML_ELEMENT_TYPE_MAP,
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meta = c.DOM_HTML_ELEMENT_TYPE_META,
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meter = c.DOM_HTML_ELEMENT_TYPE_METER,
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ins = c.DOM_HTML_ELEMENT_TYPE_INS,
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del = c.DOM_HTML_ELEMENT_TYPE_DEL,
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ol = c.DOM_HTML_ELEMENT_TYPE_OL,
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object = c.DOM_HTML_ELEMENT_TYPE_OBJECT,
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optgroup = c.DOM_HTML_ELEMENT_TYPE_OPTGROUP,
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option = c.DOM_HTML_ELEMENT_TYPE_OPTION,
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output = c.DOM_HTML_ELEMENT_TYPE_OUTPUT,
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p = c.DOM_HTML_ELEMENT_TYPE_P,
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picture = c.DOM_HTML_ELEMENT_TYPE_PICTURE,
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pre = c.DOM_HTML_ELEMENT_TYPE_PRE,
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progress = c.DOM_HTML_ELEMENT_TYPE_PROGRESS,
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blockquote = c.DOM_HTML_ELEMENT_TYPE_BLOCKQUOTE,
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q = c.DOM_HTML_ELEMENT_TYPE_Q,
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script = c.DOM_HTML_ELEMENT_TYPE_SCRIPT,
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select = c.DOM_HTML_ELEMENT_TYPE_SELECT,
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source = c.DOM_HTML_ELEMENT_TYPE_SOURCE,
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span = c.DOM_HTML_ELEMENT_TYPE_SPAN,
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style = c.DOM_HTML_ELEMENT_TYPE_STYLE,
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table = c.DOM_HTML_ELEMENT_TYPE_TABLE,
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caption = c.DOM_HTML_ELEMENT_TYPE_CAPTION,
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th = c.DOM_HTML_ELEMENT_TYPE_TH,
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td = c.DOM_HTML_ELEMENT_TYPE_TD,
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col = c.DOM_HTML_ELEMENT_TYPE_COL,
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tr = c.DOM_HTML_ELEMENT_TYPE_TR,
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thead = c.DOM_HTML_ELEMENT_TYPE_THEAD,
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tbody = c.DOM_HTML_ELEMENT_TYPE_TBODY,
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tfoot = c.DOM_HTML_ELEMENT_TYPE_TFOOT,
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template = c.DOM_HTML_ELEMENT_TYPE_TEMPLATE,
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textarea = c.DOM_HTML_ELEMENT_TYPE_TEXTAREA,
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time = c.DOM_HTML_ELEMENT_TYPE_TIME,
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title = c.DOM_HTML_ELEMENT_TYPE_TITLE,
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track = c.DOM_HTML_ELEMENT_TYPE_TRACK,
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ul = c.DOM_HTML_ELEMENT_TYPE_UL,
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video = c.DOM_HTML_ELEMENT_TYPE_VIDEO,
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undef = c.DOM_HTML_ELEMENT_TYPE__UNKNOWN,
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pub fn all() []Tag {
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comptime {
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const info = @typeInfo(Tag).Enum;
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comptime var l: [info.fields.len]Tag = undefined;
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inline for (info.fields, 0..) |field, i| {
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l[i] = @as(Tag, @enumFromInt(field.value));
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}
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return &l;
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}
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}
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pub fn allElements() [][]const u8 {
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comptime {
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const tags = all();
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var names: [tags.len][]const u8 = undefined;
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inline for (tags, 0..) |tag, i| {
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names[i] = tag.elementName();
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}
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return &names;
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}
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}
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fn upperName(comptime name: []const u8) []const u8 {
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comptime {
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var upper_name: [name.len]u8 = undefined;
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for (name, 0..) |char, i| {
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var to_upper = false;
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if (i == 0) {
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to_upper = true;
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} else if (i == 1 and name.len == 2) {
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to_upper = true;
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}
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if (to_upper) {
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upper_name[i] = std.ascii.toUpper(char);
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} else {
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upper_name[i] = char;
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}
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}
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return &upper_name;
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}
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}
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fn elementName(comptime tag: Tag) []const u8 {
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return switch (tag) {
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.a => "Anchor",
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.dl => "DList",
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.fieldset => "FieldSet",
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.frameset => "FrameSet",
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.h1, .h2, .h3, .h4, .h5, .h6 => "Heading",
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.iframe => "IFrame",
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.img => "Image",
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.ins, .del => "Mod",
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.ol => "OList",
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.optgroup => "OptGroup",
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.p => "Paragraph",
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.blockquote, .q => "Quote",
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.caption => "TableCaption",
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.th, .td => "TableCell",
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.col => "TableCol",
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.tr => "TableRow",
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.thead, .tbody, .tfoot => "TableSection",
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.textarea => "TextArea",
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.ul => "UList",
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.undef => "Unknown",
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else => upperName(@tagName(tag)),
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};
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}
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};
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// EventTarget
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pub const EventTarget = c.dom_event_target;
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// Node
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pub const Node = c.dom_node_internal;
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// Element
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pub const Element = c.dom_element;
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pub fn elementLocalName(elem: *Element) []const u8 {
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const elem_aligned: *align(8) Element = @alignCast(elem);
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const node = @as(*Node, @ptrCast(elem_aligned));
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var s: ?*String = null;
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_ = c._dom_node_get_local_name(node, &s);
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var s_lower: ?*String = null;
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_ = c.dom_string_tolower(s, true, &s_lower);
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return stringToData(s_lower.?);
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}
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// ElementHTML
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pub const ElementHTML = c.dom_html_element;
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pub fn elementHTMLGetTagType(elem_html: *ElementHTML) Tag {
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var tag_type: c.dom_html_element_type = undefined;
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_ = c._dom_html_element_get_tag_type(elem_html, &tag_type);
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return @as(Tag, @enumFromInt(tag_type));
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}
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// ElementsHTML
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pub const MediaElement = struct { base: c.dom_html_element };
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pub const Unknown = struct { base: c.dom_html_element };
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pub const Anchor = c.dom_html_anchor_element;
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pub const Area = c.dom_html_area_element;
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pub const Audio = struct { base: c.dom_html_element };
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pub const BR = c.dom_html_br_element;
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pub const Base = c.dom_html_base_element;
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pub const Body = c.dom_html_body_element;
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pub const Button = c.dom_html_button_element;
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pub const Canvas = c.dom_html_canvas_element;
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pub const DList = c.dom_html_dlist_element;
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pub const Data = struct { base: c.dom_html_element };
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pub const Dialog = struct { base: c.dom_html_element };
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pub const Div = c.dom_html_div_element;
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pub const Embed = struct { base: c.dom_html_element };
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pub const FieldSet = c.dom_html_field_set_element;
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pub const Form = c.dom_html_form_element;
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pub const FrameSet = c.dom_html_frame_set_element;
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pub const HR = c.dom_html_hr_element;
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pub const Head = c.dom_html_head_element;
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pub const Heading = c.dom_html_heading_element;
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pub const Html = c.dom_html_html_element;
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pub const IFrame = c.dom_html_iframe_element;
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pub const Image = c.dom_html_image_element;
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pub const Input = c.dom_html_input_element;
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pub const LI = c.dom_html_li_element;
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pub const Label = c.dom_html_label_element;
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pub const Legend = c.dom_html_legend_element;
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pub const Link = c.dom_html_link_element;
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pub const Map = c.dom_html_map_element;
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pub const Meta = c.dom_html_meta_element;
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pub const Meter = struct { base: c.dom_html_element };
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pub const Mod = c.dom_html_mod_element;
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pub const OList = c.dom_html_olist_element;
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pub const Object = c.dom_html_object_element;
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pub const OptGroup = c.dom_html_opt_group_element;
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pub const Option = c.dom_html_option_element;
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pub const Output = struct { base: c.dom_html_element };
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pub const Paragraph = c.dom_html_paragraph_element;
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pub const Picture = struct { base: c.dom_html_element };
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pub const Pre = c.dom_html_pre_element;
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pub const Progress = struct { base: c.dom_html_element };
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pub const Quote = c.dom_html_quote_element;
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pub const Script = c.dom_html_script_element;
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pub const Select = c.dom_html_select_element;
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pub const Source = struct { base: c.dom_html_element };
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pub const Span = struct { base: c.dom_html_element };
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pub const Style = c.dom_html_style_element;
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pub const Table = c.dom_html_table_element;
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pub const TableCaption = c.dom_html_table_caption_element;
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pub const TableCell = c.dom_html_table_cell_element;
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pub const TableCol = c.dom_html_table_col_element;
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pub const TableRow = c.dom_html_table_row_element;
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pub const TableSection = c.dom_html_table_section_element;
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pub const Template = struct { base: c.dom_html_element };
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pub const TextArea = c.dom_html_text_area_element;
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pub const Time = struct { base: c.dom_html_element };
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pub const Title = c.dom_html_title_element;
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pub const Track = struct { base: c.dom_html_element };
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pub const UList = c.dom_html_u_list_element;
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pub const Video = struct { base: c.dom_html_element };
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// Document
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pub const Document = c.dom_document;
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pub inline fn documentGetElementById(doc: *Document, id: []const u8) ?*Element {
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var elem: ?*Element = null;
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_ = c._dom_document_get_element_by_id(doc, stringFromData(id), &elem);
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return elem;
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}
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pub inline fn documentCreateElement(doc: *Document, tag_name: []const u8) *Element {
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var elem: ?*Element = null;
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_ = c._dom_html_document_create_element(doc, stringFromData(tag_name), &elem);
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return elem.?;
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}
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// DocumentHTML
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pub const DocumentHTML = c.dom_html_document;
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pub fn documentHTMLParse(filename: []u8) *DocumentHTML {
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const doc = cp.wr_create_doc_dom_from_file(filename.ptr);
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if (doc == null) {
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@panic("error parser");
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}
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const doc_aligned: *align(@alignOf((DocumentHTML))) cp.dom_document = @alignCast(doc.?);
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return @as(*DocumentHTML, @ptrCast(doc_aligned));
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}
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pub inline fn documentHTMLToDocument(doc_html: *DocumentHTML) *Document {
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return @as(*Document, @ptrCast(doc_html));
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}
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pub inline fn documentHTMLBody(doc_html: *DocumentHTML) ?*Body {
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var body: ?*ElementHTML = null;
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_ = c._dom_html_document_get_body(doc_html, &body);
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if (body) |value| {
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return @as(*Body, @ptrCast(value));
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}
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return null;
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}
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// TODO: Old
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pub fn create_dom(filename: []u8) !void {
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const doc = c.wr_create_doc_dom_from_file(filename.ptr);
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if (doc == null) {
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@panic("error parser");
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}
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std.debug.print("doc: {any}\n", .{doc});
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const doc_html = @as(*DocumentHTML, @ptrCast(doc.?));
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var root: ?*Element = null;
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var exc = c.dom_document_get_document_element(doc, &root);
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if (exc != c.DOM_NO_ERR) {
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@panic("Exception raised for get_html_document_element");
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}
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if (root == null) {
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@panic("error root");
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}
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std.debug.print("root: {any}\n", .{root});
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const body = documentHTMLBody(doc_html);
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std.debug.print("body: {any}\n", .{body});
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}
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