internal CssStyleSheet(CssParser parser, String url, IElement owner)
{
_media = new MediaList(parser);
_owner = owner;
_url = url;
_rules = new CssRuleList(this);
_parser = parser;
}
/// <summary>
/// Creates a new CSS import rule
/// </summary>
internal CssImportRule(CssParser parser)
: base(CssRuleType.Import, parser)
{
_media = new MediaList(parser);
}
/// <summary>
/// Creates a media list for the given source.
/// </summary>
/// <param name="source">The media source.</param>
/// <param name="options">
/// The options with the parameters for evaluating the style.
/// </param>
/// <returns>The created media list.</returns>
public IMediaList ParseMedia(String source, StyleOptions options)
{
var parser = new CssParser(_options, options.Configuration);
var media = new MediaList(parser);
media.MediaText = source;
return media;
}
/// <summary>
/// Before any medium has been found for the @media or @import rule.
/// </summary>
void FillMediaList(MediaList list, CssTokenType end, ref CssToken token)
{
if (token.Type == end)
return;
while (token.Type != CssTokenType.Eof)
{
var medium = CreateMedium(ref token);
if (medium != null)
list.Add(medium);
if (token.Type != CssTokenType.Comma)
break;
token = _tokenizer.Get();
}
if (token.Type == end && list.Length > 0)
return;
list.Clear();
list.Add(new CssMedium
{
IsInverse = true,
Type = Keywords.All
});
}
private void FillMediaList(MediaList list, CssTokenType end, ref CssToken token)
{
_nodes.Push(list);
if (token.Type != end)
{
while (token.Type != CssTokenType.EndOfFile)
{
var medium = CreateMedium(ref token);
if (medium != null)
{
list.AppendChild(medium);
}
if (token.Type != CssTokenType.Comma)
{
break;
}
token = NextToken();
CollectTrivia(ref token);
}
if (token.Type != end || list.Length == 0)
{
list.Clear();
list.AppendChild(new CssMedium
{
IsInverse = true,
Type = Keywords.All
});
}
}
_nodes.Pop();
}
/// <summary>
/// Creates a new CSS @media rule with a new media list.
/// </summary>
internal CssMediaRule(CssParser parser)
: base(CssRuleType.Media, parser)
{
_media = new MediaList(parser);
}
/// <summary>
/// Imports the media from the given list.
/// Clears the existing media.
/// </summary>
/// <param name="list">The list to import.</param>
public void Import(MediaList list)
{
_media.Clear();
_media.AddRange(list._media);
}
/// <summary>
/// Creates a media list for the given source.
/// </summary>
/// <param name="source">The media source.</param>
/// <param name="options">
/// The options with the parameters for evaluating the style.
/// </param>
/// <returns>The created media list.</returns>
public IMediaList ParseMedia(String source, StyleOptions options)
{
var configuration = options.Context.Configuration;
var parser = new CssParser(_options, configuration);
var media = new MediaList(parser) { MediaText = source };
return media;
}
/// <summary>
/// Creates a new style sheet.
/// </summary>
/// <param name="media">The media list to use.</param>
internal StyleSheet(MediaList media)
{
_media = media;
}
/// <summary>
/// Before any medium has been found for the @media or @import rule.
/// </summary>
protected void FillMediaList(MediaList list, ref CssToken token)
{
if (token.Type != CssTokenType.CurlyBracketOpen)
{
while (token.Type != CssTokenType.Eof)
{
var medium = CreateMedium(ref token);
if (medium != null)
list.Add(medium);
if (token.Type != CssTokenType.Comma)
break;
token = _tokenizer.Get();
}
if (token.Type != CssTokenType.CurlyBracketOpen)
{
do
{
if (token.Type == CssTokenType.Eof || token.Type == CssTokenType.Semicolon)
break;
token = _tokenizer.Get();
}
while (token.Type != CssTokenType.CurlyBracketOpen);
list.Clear();
}
if (list.Length == 0)
{
list.Add(new CssMedium
{
IsInverse = true,
Type = Keywords.All
});
}
}
}
public void CssMediaListApiWithAppendDeleteAndTextShouldWork()
{
var media = new [] { "handheld", "screen", "only screen and (max-device-width: 480px)" };
var p = new CssParser();
var m = new MediaList(p);
Assert.AreEqual(0, m.Length);
m.Add(media[0]);
m.Add(media[1]);
m.Add(media[2]);
m.Remove(media[1]);
Assert.AreEqual(2, m.Length);
Assert.AreEqual(media[0], m[0]);
Assert.AreEqual(media[2], m[1]);
Assert.AreEqual(String.Concat(media[0], ", ", media[2]), m.MediaText);
}