internal void AddRule(CssRule rule)
{
if (rule != null)
{
_rules.Add(rule, Owner, this);
}
}
internal void Add(CssRule rule)
{
if (rule != null)
{
_parent.AppendChild(rule);
}
}
internal void Insert(Int32 index, CssRule rule)
{
if (rule == null)
{
throw new DomException(DomError.Syntax);
}
else if (rule.Type == CssRuleType.Charset)
{
throw new DomException(DomError.Syntax);
}
else if (index > Length || index < 0)
{
throw new DomException(DomError.IndexSizeError);
}
else if (rule.Type == CssRuleType.Namespace && HasDeclarativeRules)
{
throw new DomException(DomError.InvalidState);
}
else if (index == Length)
{
_parent.AppendChild(rule);
}
else
{
_parent.InsertBefore(this[index], rule);
}
}
internal void Remove(CssRule rule)
{
if (rule != null)
{
_parent.RemoveChild(rule);
}
}
internal void Remove(CssRule rule)
{
if (rule != null)
{
_parent.RemoveChild(rule);
}
}
internal void Add(CssRule rule, ICssStyleSheet owner, ICssRule parent)
{
if (rule != null)
{
_rules.Add(rule);
rule.Owner = owner;
rule.Parent = parent;
}
}
internal void Add(CssRule rule)
{
if (rule != null)
{
if (_filterDisplayAndVisibilityOnly && FilterRuleOnAddOrInsert(rule))
{
return;
}
_parent.AppendChild(rule);
}
}
internal void Insert(CssRule value, Int32 index, ICssStyleSheet owner, ICssRule parent)
{
if (value == null)
throw new DomException(DomError.Syntax);
else if (value.Type == CssRuleType.Charset)
throw new DomException(DomError.Syntax);
else if (index > _rules.Count)
throw new DomException(DomError.IndexSizeError);
else if (value.Type == CssRuleType.Namespace && _rules.Any(m => (m.Type != CssRuleType.Import && m.Type != CssRuleType.Charset && m.Type != CssRuleType.Namespace)))
throw new DomException(DomError.InvalidState);
_rules.Insert(index, value);
value.Owner = owner;
value.Parent = parent;
}
/// <summary>
/// Ignores all CSS style rules except the ones which impact the following two properties :
/// - Display
/// - Visibility
/// </summary>
private bool FilterRuleOnAddOrInsert(CssRule rule)
{
switch (rule.Type)
{
case CssRuleType.Charset:
case CssRuleType.Import:
case CssRuleType.Namespace:
case CssRuleType.FontFace:
case CssRuleType.Viewport:
return(false);
case CssRuleType.Page:
case CssRuleType.Keyframe:
case CssRuleType.Keyframes:
return(true);
case CssRuleType.Style:
var styleRule = (CssStyleRule)rule;
if (styleRule.Style.Declarations.Any(property => property is CssDisplayProperty || property is CssVisibilityProperty))
{
return(false);
}
else
{
return(true);
}
case CssRuleType.Media:
case CssRuleType.Supports:
case CssRuleType.Document:
var groupingRule = (ICssGroupingRule)rule;
if (groupingRule.Rules.Length > 0)
{
return(false);
}
else
{
return(true);
}
default:
return(true);
}
}
internal void Insert(Int32 index, CssRule rule)
{
if (rule == null)
throw new DomException(DomError.Syntax);
if (rule.Type == CssRuleType.Charset)
throw new DomException(DomError.Syntax);
if (index > Length || index < 0)
throw new DomException(DomError.IndexSizeError);
if (rule.Type == CssRuleType.Namespace && HasDeclarativeRules)
throw new DomException(DomError.InvalidState);
if (index == Length)
{
_parent.AppendChild(rule);
}
else
{
_parent.InsertBefore(this[index], rule);
}
}
internal void Insert(Int32 index, CssRule rule)
{
if (rule == null)
{
throw new DomException(DomError.Syntax);
}
if (rule.Type == CssRuleType.Charset)
{
throw new DomException(DomError.Syntax);
}
if (index > Length || index < 0)
{
throw new DomException(DomError.IndexSizeError);
}
if (rule.Type == CssRuleType.Namespace && HasDeclarativeRules)
{
throw new DomException(DomError.InvalidState);
}
if (_filterDisplayAndVisibilityOnly && FilterRuleOnAddOrInsert(rule))
{
return;
}
if (index == Length)
{
_parent.AppendChild(rule);
}
else
{
_parent.InsertBefore(this[index], rule);
}
}
static Boolean IsDeclarativeRule(CssRule rule)
{
var type = rule.Type;
return(type != CssRuleType.Import && type != CssRuleType.Charset && type != CssRuleType.Namespace);
}
internal void Add(CssRule value, ICssStyleSheet owner, ICssRule parent)
{
_rules.Add(value);
value.Owner = owner;
value.Parent = parent;
}
internal CssStyleSheet(CssRule ownerRule, String url)
: this(ownerRule.Parser, url, ownerRule.Owner)
{
_ownerRule = ownerRule;
}
CssStyleDeclaration(CssRule parent, CssParser parser)
{
_parent = parent;
_parser = parser;
}
static Boolean IsDeclarativeRule(CssRule rule)
{
var type = rule.Type;
return type != CssRuleType.Import && type != CssRuleType.Charset && type != CssRuleType.Namespace;
}
internal void Add(CssRule rule)
{
if (rule != null)
{
_parent.AppendChild(rule);
}
}
internal void AddRule(CssRule rule)
{
if (rule != null)
_rules.Add(rule, Owner, this);
}
/// <summary>
/// Creates a new CSS style declaration.
/// </summary>
/// <param name="parent">The parent of the style declaration.</param>
internal CssStyleDeclaration(CssRule parent)
: this(parent, parent.Parser)
{
}
CssStyleDeclaration(CssRule parent, CssParser parser)
{
_parent = parent;
_parser = parser;
_declarations = new List<CssProperty>();
}
internal void Add(CssRule value, ICssStyleSheet owner, ICssRule parent)
{
_rules.Add(value);
value.Owner = owner;
value.Parent = parent;
}
internal CssStyleSheet(CssRule ownerRule, String url)
: this(ownerRule.Parser, url, ownerRule.Owner)
{
_ownerRule = ownerRule;
}
internal void AddRule(CssRule rule)
{
_rules.Add(rule, Owner, this);
}
internal void AddRule(CssRule rule)
{
if (rule != null)
_rules.Add(rule, this, null);
}