in Sample Applications/HtmlToXamlDemo/HtmlCSSParser.cs [188:357]
internal static void GetElementPropertiesFromCssAttributes(XmlElement htmlElement, string elementName,
CssStylesheet stylesheet, Hashtable localProperties, List<XmlElement> sourceContext)
{
var styleFromStylesheet = stylesheet.GetStyle(elementName, sourceContext);
var styleInline = HtmlToXamlConverter.GetAttribute(htmlElement, "style");
// Combine styles from stylesheet and from inline attribute.
// The order is important - the latter styles will override the former.
var style = styleFromStylesheet ?? null;
if (styleInline != null)
{
style = style == null ? styleInline : (style + ";" + styleInline);
}
// Apply local style to current formatting properties
if (style != null)
{
var styleValues = style.Split(';');
foreach (string t in styleValues)
{
string[] styleNameValue;
styleNameValue = t.Split(':');
if (styleNameValue.Length == 2)
{
var styleName = styleNameValue[0].Trim().ToLower();
var styleValue = HtmlToXamlConverter.UnQuote(styleNameValue[1].Trim()).ToLower();
var nextIndex = 0;
switch (styleName)
{
case "font":
ParseCssFont(styleValue, localProperties);
break;
case "font-family":
ParseCssFontFamily(styleValue, ref nextIndex, localProperties);
break;
case "font-size":
ParseCssSize(styleValue, ref nextIndex, localProperties, "font-size",
/*mustBeNonNegative:*/true);
break;
case "font-style":
ParseCssFontStyle(styleValue, ref nextIndex, localProperties);
break;
case "font-weight":
ParseCssFontWeight(styleValue, ref nextIndex, localProperties);
break;
case "font-variant":
ParseCssFontVariant(styleValue, ref nextIndex, localProperties);
break;
case "line-height":
ParseCssSize(styleValue, ref nextIndex, localProperties, "line-height",
/*mustBeNonNegative:*/true);
break;
case "word-spacing":
// Implement word-spacing conversion
break;
case "letter-spacing":
// Implement letter-spacing conversion
break;
case "color":
ParseCssColor(styleValue, ref nextIndex, localProperties, "color");
break;
case "text-decoration":
ParseCssTextDecoration(styleValue, ref nextIndex, localProperties);
break;
case "text-transform":
ParseCssTextTransform(styleValue, ref nextIndex, localProperties);
break;
case "background-color":
ParseCssColor(styleValue, ref nextIndex, localProperties, "background-color");
break;
case "background":
// TODO: need to parse composite background property
ParseCssBackground(styleValue, ref nextIndex, localProperties);
break;
case "text-align":
ParseCssTextAlign(styleValue, ref nextIndex, localProperties);
break;
case "vertical-align":
ParseCssVerticalAlign(styleValue, ref nextIndex, localProperties);
break;
case "text-indent":
ParseCssSize(styleValue, ref nextIndex, localProperties, "text-indent",
/*mustBeNonNegative:*/false);
break;
case "width":
case "height":
ParseCssSize(styleValue, ref nextIndex, localProperties, styleName,
/*mustBeNonNegative:*/true);
break;
case "margin": // top/right/bottom/left
ParseCssRectangleProperty(styleValue, ref nextIndex, localProperties, styleName);
break;
case "margin-top":
case "margin-right":
case "margin-bottom":
case "margin-left":
ParseCssSize(styleValue, ref nextIndex, localProperties, styleName,
/*mustBeNonNegative:*/true);
break;
case "padding":
ParseCssRectangleProperty(styleValue, ref nextIndex, localProperties, styleName);
break;
case "padding-top":
case "padding-right":
case "padding-bottom":
case "padding-left":
ParseCssSize(styleValue, ref nextIndex, localProperties, styleName,
/*mustBeNonNegative:*/true);
break;
case "border":
ParseCssBorder(styleValue, ref nextIndex, localProperties);
break;
case "border-style":
case "border-width":
case "border-color":
ParseCssRectangleProperty(styleValue, ref nextIndex, localProperties, styleName);
break;
case "border-top":
case "border-right":
case "border-left":
case "border-bottom":
// Parse css border style
break;
// NOTE: css names for elementary border styles have side indications in the middle (top/bottom/left/right)
// In our internal notation we intentionally put them at the end - to unify processing in ParseCssRectangleProperty method
case "border-top-style":
case "border-right-style":
case "border-left-style":
case "border-bottom-style":
case "border-top-color":
case "border-right-color":
case "border-left-color":
case "border-bottom-color":
case "border-top-width":
case "border-right-width":
case "border-left-width":
case "border-bottom-width":
// Parse css border style
break;
case "display":
// Implement display style conversion
break;
case "float":
ParseCssFloat(styleValue, ref nextIndex, localProperties);
break;
case "clear":
ParseCssClear(styleValue, ref nextIndex, localProperties);
break;
default:
break;
}
}
}
}
}