public void TestCssStyleDeclaration()
{
rule = (CssStyleRule)cssStyleSheet.CssRules[0];
CssStyleDeclaration csd = (CssStyleDeclaration)rule.Style;
Assert.AreEqual("fill:#123456 !important;opacity:0.5;", csd.CssText);
Assert.AreEqual(2, csd.Length);
Assert.AreSame(rule, csd.ParentRule);
Assert.AreEqual("important", csd.GetPropertyPriority("fill"));
Assert.AreEqual("0.5", csd.GetPropertyValue("opacity"));
Assert.AreEqual("", csd.GetPropertyPriority("opacity"));
Assert.AreEqual("#123456", csd.GetPropertyValue("fill"));
csd.SetProperty("opacity", "0.8", "");
Assert.AreEqual("0.8", csd.GetPropertyValue("opacity"));
Assert.AreEqual("", csd.GetPropertyPriority("opacity"));
csd.SetProperty("opacity", "0.2", "important");
Assert.AreEqual("0.2", csd.GetPropertyValue("opacity"));
Assert.AreEqual("important", csd.GetPropertyPriority("opacity"));
Assert.AreEqual("0.2", csd.RemoveProperty("opacity"));
Assert.AreEqual(1, csd.Length);
csd.SetProperty("foo", "bar", "");
Assert.AreEqual("bar", csd.GetPropertyValue("foo"));
Assert.AreEqual(2, csd.Length);
// reset values
csd.RemoveProperty("foo");
csd.SetProperty("opacity", "0.5", "");
}
public void TestCssStyleRule()
{
rule = (CssStyleRule)cssStyleSheet.CssRules[0];
Assert.IsNull(rule.ParentRule);
Assert.AreEqual("g", rule.SelectorText);
Assert.AreEqual("g{fill:#123456 !important;opacity:0.5;}", rule.CssText);
Assert.AreEqual(CssRuleType.StyleRule, rule.Type);
Assert.AreSame(cssStyleSheet, rule.ParentStyleSheet);
Assert.IsTrue(rule.Style is CssStyleDeclaration);
}
internal static CssRule Parse(ref string css, object parent, bool readOnly,
IList <string> replacedStrings, CssStyleSheetType origin)
{
Match match = regex.Match(css);
if (match.Success && match.Length > 0)
{
CssStyleRule rule = new CssStyleRule(match, parent, readOnly, replacedStrings, origin);
css = css.Substring(match.Length);
rule._Style = new CssStyleDeclaration(ref css, rule, readOnly, origin);
return(rule);
}
return(null);
}
internal static CssRule Parse(ref string css, object parent, bool readOnly,
IList <string> replacedStrings, CssStyleSheetType origin)
{
Match match = _reStyleRule.Match(css);
if (match.Success && match.Length > 0)
{
CssStyleRule rule = new CssStyleRule(match, parent, readOnly, replacedStrings, origin);
css = css.Substring(match.Length);
if (string.IsNullOrWhiteSpace(css))
{
rule._style = CssStyleDeclaration.EmptyCssStyle;
}
else
{
rule._style = new CssStyleDeclaration(ref css, rule, readOnly, origin);
}
return(rule);
}
return(null);
}
/* can take two kind of structures:
* rule{}
* rule{}
* or:
* {
* rule{}
* rule{}
* }
* */
private void Parse(ref string css, object parent, bool readOnly, IList <string> replacedStrings, CssStyleSheetType origin)
{
bool withBrackets = false;
css = css.Trim();
if (css.StartsWith("{", StringComparison.OrdinalIgnoreCase))
{
withBrackets = true;
css = css.Substring(1);
}
while (true)
{
css = css.Trim();
if (css.Length == 0)
{
if (withBrackets)
{
throw new DomException(DomExceptionType.SyntaxErr, "Style block missing ending bracket");
}
break;
}
else if (css.StartsWith("}", StringComparison.OrdinalIgnoreCase))
{
// end of block;
css = css.Substring(1);
break;
}
else if (css.StartsWith("@", StringComparison.OrdinalIgnoreCase))
{
// Parse at-rules
// @-rule
CssRule rule;
// creates and parses a CssMediaRule or return null
rule = CssMediaRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
if (rule == null)
{
// create ImportRule
rule = CssImportRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
if (rule == null)
{
// create CharSetRule
rule = CssCharsetRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
if (rule == null)
{
rule = CssFontFaceRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
if (rule == null)
{
rule = CssPageRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
if (rule == null)
{
rule = CssUnknownRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
}
}
}
}
}
InsertRule(rule);
}
else
{
// must be a selector or error
CssRule rule = CssStyleRule.Parse(ref css, parent, readOnly, replacedStrings, origin);
if (rule != null)
{
InsertRule(rule);
}
else
{
// this is an unknown rule format, possibly a new kind of selector. Try to find the end of it to skip it
int startBracket = css.IndexOf("{", StringComparison.OrdinalIgnoreCase);
int endBracket = css.IndexOf("}", StringComparison.OrdinalIgnoreCase);
int endSemiColon = css.IndexOf(";", StringComparison.OrdinalIgnoreCase);
int endRule;
if (endSemiColon > 0 && endSemiColon < startBracket)
{
endRule = endSemiColon;
}
else
{
endRule = endBracket;
}
if (endRule > -1)
{
css = css.Substring(endRule + 1);
}
else
{
throw new DomException(DomExceptionType.SyntaxErr, "Can not parse the CSS file");
}
}
}
}
}
public void TestCssStyleRule()
{
rule = (CssStyleRule)cssStyleSheet.CssRules[0];
Assert.IsNull(rule.ParentRule);
Assert.AreEqual("g", rule.SelectorText);
Assert.AreEqual("g{fill:#123456 !important;opacity:0.5;}", rule.CssText);
Assert.AreEqual(CssRuleType.StyleRule, rule.Type);
Assert.AreSame(cssStyleSheet, rule.ParentStyleSheet);
Assert.IsTrue(rule.Style is CssStyleDeclaration);
}
public void TestCssStyleDeclaration()
{
rule = (CssStyleRule)cssStyleSheet.CssRules[0];
CssStyleDeclaration csd = (CssStyleDeclaration)rule.Style;
Assert.AreEqual("fill:#123456 !important;opacity:0.5;", csd.CssText);
Assert.AreEqual(2, csd.Length);
Assert.AreSame(rule, csd.ParentRule);
Assert.AreEqual("important", csd.GetPropertyPriority("fill"));
Assert.AreEqual("0.5", csd.GetPropertyValue("opacity"));
Assert.AreEqual("", csd.GetPropertyPriority("opacity"));
Assert.AreEqual("#123456", csd.GetPropertyValue("fill"));
csd.SetProperty("opacity", "0.8", "");
Assert.AreEqual("0.8", csd.GetPropertyValue("opacity"));
Assert.AreEqual("", csd.GetPropertyPriority("opacity"));
csd.SetProperty("opacity", "0.2", "important");
Assert.AreEqual("0.2", csd.GetPropertyValue("opacity"));
Assert.AreEqual("important", csd.GetPropertyPriority("opacity"));
Assert.AreEqual("0.2", csd.RemoveProperty("opacity"));
Assert.AreEqual(1, csd.Length);
csd.SetProperty("foo", "bar", "");
Assert.AreEqual("bar", csd.GetPropertyValue("foo"));
Assert.AreEqual(2, csd.Length);
// reset values
csd.RemoveProperty("foo");
csd.SetProperty("opacity", "0.5", "");
}
internal static CssRule Parse(ref string css, object parent, bool readOnly,
IList<string> replacedStrings, CssStyleSheetType origin)
{
Match match = regex.Match(css);
if(match.Success && match.Length > 0)
{
CssStyleRule rule = new CssStyleRule(match, parent, readOnly, replacedStrings, origin);
css = css.Substring(match.Length);
rule._Style = new CssStyleDeclaration(ref css, rule, readOnly, origin);
return rule;
}
else
{
return null;
}
}