public static string resolve_name(string name, Idocument_container callback)
{
for (var i = 0; g_def_colors[i].name != null; i++)
{
if (string.Equals(name, g_def_colors[i].name, StringComparison.OrdinalIgnoreCase))
{
return(g_def_colors[i].rgb);
}
}
if (callback != null)
{
return(callback.resolve_color(name));
}
return(string.Empty);
}
public static document createFromUTF8(string str, Idocument_container objPainter, context ctx, css user_styles = null)
{
var doc = new document(objPainter, ctx); // Create litehtml::document
var root_elements = new List <element>();
using (var gumbo = new Gumbo.Gumbo(str)) // parse document into GumboOutput
doc.create_node(gumbo.Document.Root, root_elements); // Create litehtml::elements.
if (root_elements.Count != 0)
{
doc._root = root_elements.Back();
}
// Let's process created elements tree
if (doc._root != null)
{
doc.container.get_media_features(doc._media);
doc._root.apply_stylesheet(ctx.master_css); // apply master CSS
doc._root.parse_attributes(); // parse elements attributes
foreach (var css in doc._css) // parse style sheets linked in document
{
doc._styles.parse_stylesheet(css.text, css.baseurl, doc, !string.IsNullOrEmpty(css.media) ? media_query_list.create_from_string(css.media, doc) : null);
}
doc._styles.sort_selectors(); // Sort css selectors using CSS rules.
if (doc._media_lists.Count != 0)
{
doc.update_media_lists(doc._media); // get current media features
}
doc._root.apply_stylesheet(doc._styles); // Apply parsed styles.
if (user_styles != null)
{
doc._root.apply_stylesheet(user_styles); // Apply user styles if any
}
doc._root.parse_styles(); // Parse applied styles in the elements
doc.fix_tables_layout(); // Now the _tabular_elements is filled with tabular elements. We have to check the tabular elements for missing table elements and create the anonymous boxes in visual table layout
doc._root.init(); // Fanaly initialize elements
}
return(doc);
}
public document(Idocument_container objContainer, context ctx)
{
_container = objContainer;
_context = ctx;
}
public static document createFromString(string str, Idocument_container objPainter, context ctx, css user_styles = null) => createFromUTF8(Encoding.UTF8.GetString(Encoding.Default.GetBytes(str)), objPainter, ctx, user_styles);
public static web_color from_string(string str, Idocument_container callback)
{
if (string.IsNullOrEmpty(str))
{
return(new web_color(0, 0, 0));
}
if (str[0] == '#')
{
var red = string.Empty;
var green = string.Empty;
var blue = string.Empty;
if (str.Length - 1 == 3)
{
red += str[1];
red += str[1];
green += str[2];
green += str[2];
blue += str[3];
blue += str[3];
}
else if (str.Length - 1 == 6)
{
red += str[1];
red += str[2];
green += str[3];
green += str[4];
blue += str[5];
blue += str[6];
}
return(new web_color
{
red = (byte)Convert.ToInt64(red, 16),
green = (byte)Convert.ToInt64(green, 16),
blue = (byte)Convert.ToInt64(blue, 16)
});
}
else if (str.StartsWith("rgb"))
{
var s = str;
var pos = s.IndexOf("(");
if (pos != -1)
{
s = s.Substring(pos + 1);
}
pos = s.IndexOf(")");
if (pos != -1)
{
s = s.Remove(pos, s.Length - pos);
}
var tokens = new List <string>();
html.split_string(s, tokens, ", \t");
var clr = new web_color();
if (tokens.Count >= 1)
{
clr.red = (byte)int.Parse(tokens[0]);
}
if (tokens.Count >= 2)
{
clr.green = (byte)int.Parse(tokens[1]);
}
if (tokens.Count >= 3)
{
clr.blue = (byte)int.Parse(tokens[2]);
}
if (tokens.Count >= 4)
{
clr.alpha = (byte)(double.Parse(tokens[3]) * 255.0);
}
return(clr);
}
else
{
var rgb = resolve_name(str, callback);
if (!string.IsNullOrEmpty(rgb))
{
return(from_string(rgb, callback));
}
}
return(new web_color(0, 0, 0));
}
