wgui: move parser.rs into a separate directory

wgui/src/parser/widget_rectangle.rs

@@ -0,0 +1,91 @@
+use crate::{
+	drawing::GradientMode,
+	layout::WidgetID,
+	parser::{
+		ParserContext, ParserFile, is_percent, iter_attribs, parse_children, parse_color_hex,
+		parse_f32, parse_percent, parse_universal, print_invalid_attrib, print_invalid_value,
+		style::style_from_node,
+	},
+	widget::{self, rectangle::RectangleParams, util::WLength},
+};
+
+pub fn parse_widget_rectangle<'a>(
+	file: &ParserFile,
+	ctx: &mut ParserContext,
+	node: roxmltree::Node<'a, 'a>,
+	parent_id: WidgetID,
+) -> anyhow::Result<()> {
+	let mut params = RectangleParams::default();
+	let attribs: Vec<_> = iter_attribs(file, ctx, &node).collect();
+
+	for (key, value) in attribs {
+		match &*key {
+			"color" => {
+				if let Some(color) = parse_color_hex(&value) {
+					params.color = color;
+				} else {
+					print_invalid_attrib(&key, &value);
+				}
+			}
+			"color2" => {
+				if let Some(color) = parse_color_hex(&value) {
+					params.color2 = color;
+				} else {
+					print_invalid_attrib(&key, &value);
+				}
+			}
+			"gradient" => {
+				params.gradient = match &*value {
+					"horizontal" => GradientMode::Horizontal,
+					"vertical" => GradientMode::Vertical,
+					"radial" => GradientMode::Radial,
+					"none" => GradientMode::None,
+					_ => {
+						print_invalid_attrib(&key, &value);
+						GradientMode::None
+					}
+				}
+			}
+			"round" => {
+				if is_percent(&value) {
+					if let Some(val) = parse_percent(&value) {
+						params.round = WLength::Percent(val);
+					} else {
+						print_invalid_value(&value);
+					}
+				} else if let Some(val) = parse_f32(&value) {
+					params.round = WLength::Units(val);
+				} else {
+					print_invalid_value(&value);
+				}
+			}
+			"border" => {
+				params.border = value.parse().unwrap_or_else(|_| {
+					print_invalid_attrib(&key, &value);
+					0.0
+				});
+			}
+			"border_color" => {
+				if let Some(color) = parse_color_hex(&value) {
+					params.border_color = color;
+				} else {
+					print_invalid_attrib(&key, &value);
+				}
+			}
+			_ => {}
+		}
+	}
+
+	let style = style_from_node(file, ctx, node);
+
+	let (new_id, _) = ctx.layout.add_child(
+		parent_id,
+		widget::rectangle::Rectangle::create(params)?,
+		style,
+	)?;
+
+	parse_universal(file, ctx, node, new_id)?;
+	parse_children(file, ctx, node, new_id)?;
+
+	Ok(())
+}