public static void FontStyleConverter(ref BaseStyle style, Declaration declaration)
{
string flag;
try
{
flag = declaration.Expression.Terms.First().Value;
}
catch (InvalidOperationException exception)
{
throw new FormatException("Style 'font-style' has incorrect value. [font-style: normal | italic]", exception);
}
catch (ArgumentNullException exception)
{
throw new FormatException("Style 'font-style' has incorrect value. [font-style: normal | italic]", exception);
}
catch (NullReferenceException exception)
{
throw new FormatException("Style 'font-style' has incorrect value. [font-style: normal | italic]", exception);
}
switch (flag)
{
case "normal":
style.IsItalic = false;
break;
case "italic":
style.IsItalic = true;
break;
default:
throw new FormatException("Style 'font-style' has incorrect value. [font-style: normal | italic]");
}
}
private bool Equals(BaseStyle other)
{
return((Color == other.Color) &&
(Width == other.Width) &&
(Height == other.Height) &&
(BackgroundColor == other.BackgroundColor) &&
(BorderLeftColor == other.BorderLeftColor) &&
(BorderLeftWidth == other.BorderLeftWidth) &&
(BorderRightColor == other.BorderRightColor) &&
(BorderTopColor == other.BorderTopColor) &&
(BorderBottomColor == other.BorderBottomColor) &&
(BorderRightWidth == other.BorderRightWidth) &&
(BorderTopWidth == other.BorderTopWidth) &&
(BorderBottomWidth == other.BorderBottomWidth) &&
(Font == other.Font) &&
(FontSize == other.FontSize) &&
(HAlign == other.HAlign) &&
(VAlign == other.VAlign) &&
(IsLineThrough == other.IsLineThrough) &&
(IsOverline == other.IsOverline) &&
(IsUnderline == other.IsUnderline) &&
(IsItalic == other.IsItalic) &&
(IsBold == other.IsBold) &&
(BorderBottomStyle == other.BorderBottomStyle) &&
(BorderLeftStyle == other.BorderLeftStyle) &&
(BorderRightStyle == other.BorderRightStyle) &&
(BorderTopStyle == other.BorderTopStyle));
}
public static void FontFamilyConverter(ref BaseStyle style, Declaration declaration)
{
var family = declaration.Expression.Terms.First().Value;
new Font(family, 10);
style.Font = family;
}
public static void BorderTopConverter(ref BaseStyle style, Declaration declaration)
{
var width = ushort.Parse(declaration.Expression.Terms.ElementAt(0).Value);
var borderStyle = EnumUtils.ParseBorderStyle(declaration.Expression.Terms.ElementAt(1).Value);
var color = declaration.Expression.Terms.ElementAt(2).ToColor();
style.BorderTopColor = color;
style.BorderTopStyle = borderStyle;
style.BorderTopWidth = width;
}
private bool Equals(BaseStyle other)
{
return (Color == other.Color) &&
(Width == other.Width) &&
(Height == other.Height) &&
(BackgroundColor == other.BackgroundColor) &&
(BorderLeftColor == other.BorderLeftColor) &&
(BorderLeftWidth == other.BorderLeftWidth) &&
(BorderRightColor == other.BorderRightColor) &&
(BorderTopColor == other.BorderTopColor) &&
(BorderBottomColor == other.BorderBottomColor) &&
(BorderRightWidth == other.BorderRightWidth) &&
(BorderTopWidth == other.BorderTopWidth) &&
(BorderBottomWidth == other.BorderBottomWidth) &&
(Font == other.Font) &&
(FontSize == other.FontSize) &&
(HAlign == other.HAlign) &&
(VAlign == other.VAlign) &&
(IsLineThrough == other.IsLineThrough) &&
(IsOverline == other.IsOverline) &&
(IsUnderline == other.IsUnderline) &&
(IsItalic == other.IsItalic) &&
(IsBold == other.IsBold) &&
(BorderBottomStyle == other.BorderBottomStyle) &&
(BorderLeftStyle == other.BorderLeftStyle) &&
(BorderRightStyle == other.BorderRightStyle) &&
(BorderTopStyle == other.BorderTopStyle);
}
public static void FontSizeConverter(ref BaseStyle style, Declaration declaration)
{
var value = declaration.Expression.Terms.First().Value;
style.FontSize = ushort.Parse(value);
}
public static void ColorConverter(ref BaseStyle style, Declaration declaration)
{
style.Color = declaration.Expression.Terms.First().ToColor();
}
public static void WidthConverter(ref BaseStyle style, Declaration declaration)
{
style.Width = ushort.Parse(declaration.Expression.Terms.First().Value);
}
public static void VAlignConverter(ref BaseStyle style, Declaration declaration)
{
style.VAlign = EnumUtils.ParseVAlign(declaration.Expression.Terms.First().Value);
}
public static void TextDecorationConverter(ref BaseStyle style, Declaration declaration)
{
style.IsLineThrough = false;
style.IsOverline = false;
style.IsUnderline = false;
var flags = declaration.Expression.Terms.Select(flag => flag.Value).ToArray();
if (!flags.Any())
{
throw new FormatException("Style 'text-decoration' has incorrect value. [text-decoration: [line-through | overline | underline] | none]");
}
if (flags.Contains("none"))
{
return;
}
if (flags.Contains("line-through"))
{
style.IsLineThrough = true;
}
if (flags.Contains("overline"))
{
style.IsOverline = true;
}
if (flags.Contains("underline"))
{
style.IsUnderline = true;
}
}
public static void BackgroundColorConverter(ref BaseStyle style, Declaration declaration)
{
var backgroundColor = declaration.Expression.Terms.First().ToColor();
style.BackgroundColor = backgroundColor;
}
private static BaseStyle MergeStyles(BaseStyle baseStyle, BaseStyle mutations)
{
var isNewId = false;
if (mutations.Color.HasValue && baseStyle.Color != mutations.Color)
{
isNewId = true;
baseStyle.Color = mutations.Color;
}
if (mutations.Width.HasValue && baseStyle.Width != mutations.Width)
{
isNewId = true;
baseStyle.Width = mutations.Width;
}
if (mutations.Height.HasValue && baseStyle.Height != mutations.Height)
{
isNewId = true;
baseStyle.Height = mutations.Height;
}
if (mutations.BackgroundColor.HasValue && baseStyle.BackgroundColor != mutations.BackgroundColor)
{
isNewId = true;
baseStyle.BackgroundColor = mutations.BackgroundColor;
}
if (mutations.BorderLeftColor.HasValue && baseStyle.BorderLeftColor != mutations.BorderLeftColor)
{
isNewId = true;
baseStyle.BorderLeftColor = mutations.BorderLeftColor;
}
if (mutations.BorderLeftWidth.HasValue && baseStyle.BorderLeftWidth != mutations.BorderLeftWidth)
{
isNewId = true;
baseStyle.BorderLeftWidth = mutations.BorderLeftWidth;
}
if (mutations.BorderRightColor.HasValue && baseStyle.BorderRightColor != mutations.BorderRightColor)
{
isNewId = true;
baseStyle.BorderRightColor = mutations.BorderRightColor;
}
if (mutations.BorderTopColor.HasValue && baseStyle.BorderTopColor != mutations.BorderTopColor)
{
isNewId = true;
baseStyle.BorderTopColor = mutations.BorderTopColor;
}
if (mutations.BorderBottomColor.HasValue && baseStyle.BorderBottomColor != mutations.BorderBottomColor)
{
isNewId = true;
baseStyle.BorderBottomColor = mutations.BorderBottomColor;
}
if (mutations.BorderRightWidth.HasValue && baseStyle.BorderRightWidth != mutations.BorderRightWidth)
{
isNewId = true;
baseStyle.BorderRightWidth = mutations.BorderRightWidth;
}
if (mutations.BorderTopWidth.HasValue && baseStyle.BorderTopWidth != mutations.BorderTopWidth)
{
isNewId = true;
baseStyle.BorderTopWidth = mutations.BorderTopWidth;
}
if (mutations.BorderBottomWidth.HasValue && baseStyle.BorderBottomWidth != mutations.BorderBottomWidth)
{
isNewId = true;
baseStyle.BorderBottomWidth = mutations.BorderBottomWidth;
}
if (mutations.Font.HasValue && baseStyle.Font != mutations.Font)
{
isNewId = true;
baseStyle.Font = mutations.Font;
}
if (mutations.FontSize.HasValue && baseStyle.FontSize != mutations.FontSize)
{
isNewId = true;
baseStyle.FontSize = mutations.FontSize;
}
if (mutations.HAlign.HasValue && baseStyle.HAlign != mutations.HAlign)
{
isNewId = true;
baseStyle.HAlign = mutations.HAlign;
}
if (mutations.VAlign.HasValue && baseStyle.VAlign != mutations.VAlign)
{
isNewId = true;
baseStyle.VAlign = mutations.VAlign;
}
if (mutations.IsBold.HasValue && baseStyle.IsBold != mutations.IsBold)
{
isNewId = true;
baseStyle.IsBold = mutations.IsBold;
}
if (mutations.IsItalic.HasValue && baseStyle.IsItalic != mutations.IsItalic)
{
isNewId = true;
baseStyle.IsItalic = mutations.IsItalic;
}
if (mutations.IsLineThrough.HasValue && baseStyle.IsLineThrough != mutations.IsLineThrough)
{
isNewId = true;
baseStyle.IsLineThrough = mutations.IsLineThrough;
}
if (mutations.IsOverline.HasValue && baseStyle.IsOverline != mutations.IsOverline)
{
isNewId = true;
baseStyle.IsOverline = mutations.IsOverline;
}
if (mutations.IsUnderline.HasValue && baseStyle.IsUnderline != mutations.IsUnderline)
{
isNewId = true;
baseStyle.IsUnderline = mutations.IsUnderline;
}
if (mutations.BorderBottomStyle.HasValue && baseStyle.BorderBottomStyle != mutations.BorderBottomStyle)
{
isNewId = true;
baseStyle.BorderBottomStyle = mutations.BorderBottomStyle;
}
if (mutations.BorderLeftStyle.HasValue && baseStyle.BorderLeftStyle != mutations.BorderLeftStyle)
{
isNewId = true;
baseStyle.BorderLeftStyle = mutations.BorderLeftStyle;
}
if (mutations.BorderRightStyle.HasValue && baseStyle.BorderRightStyle != mutations.BorderRightStyle)
{
isNewId = true;
baseStyle.BorderRightStyle = mutations.BorderRightStyle;
}
if (mutations.BorderTopStyle.HasValue && baseStyle.BorderTopStyle != mutations.BorderTopStyle)
{
isNewId = true;
baseStyle.BorderTopStyle = mutations.BorderTopStyle;
}
if (isNewId)
{
baseStyle.Id = Guid.NewGuid();
}
return baseStyle;
}
public static BaseStyle MergeStyles(BaseStyle style, IEnumerable<BaseStyle> children)
{
return children.Aggregate(style, MergeStyles);
}
