private static void ParseCssFont(string originalStyleValue, Hashtable localProperties)
{
string text = originalStyleValue.ToLower();
int num = 0;
HtmlCssParser.ParseCssFontStyle(text, ref num, localProperties);
HtmlCssParser.ParseCssFontVariant(text, ref num, localProperties);
HtmlCssParser.ParseCssFontWeight(text, ref num, localProperties);
HtmlCssParser.ParseCssSize(text, ref num, localProperties, "font-size", true);
HtmlCssParser.ParseWhiteSpace(text, ref num);
if (num < text.Length && text[num] == '/')
{
num++;
HtmlCssParser.ParseCssSize(text, ref num, localProperties, "line-height", true);
}
HtmlCssParser.ParseCssFontFamily(originalStyleValue, ref num, localProperties);
}
private static bool ParseWord(string word, string styleValue, ref int nextIndex)
{
HtmlCssParser.ParseWhiteSpace(styleValue, ref nextIndex);
for (int i = 0; i < word.Length; i++)
{
if (nextIndex + i >= styleValue.Length || word[i] != styleValue[nextIndex + i])
{
return(false);
}
}
if (nextIndex + word.Length < styleValue.Length && char.IsLetterOrDigit(styleValue[nextIndex + word.Length]))
{
return(false);
}
nextIndex += word.Length;
return(true);
}
private static string ParseCssSize(string styleValue, ref int nextIndex, bool mustBeNonNegative)
{
HtmlCssParser.ParseWhiteSpace(styleValue, ref nextIndex);
int num = nextIndex;
if (nextIndex < styleValue.Length && styleValue[nextIndex] == '-')
{
nextIndex++;
}
if (nextIndex < styleValue.Length)
{
if (!char.IsDigit(styleValue[nextIndex]))
{
if (styleValue[nextIndex] != '.')
{
goto IL_EB;
}
}
while (nextIndex < styleValue.Length && (char.IsDigit(styleValue[nextIndex]) || styleValue[nextIndex] == '.'))
{
nextIndex++;
}
string str = styleValue.Substring(num, nextIndex - num);
if ((nextIndex > 0 && styleValue[nextIndex - 1] == '.') || (nextIndex < styleValue.Length && styleValue[nextIndex] == ','))
{
str = "0";
}
string text = HtmlCssParser.ParseWordEnumeration(HtmlCssParser._fontSizeUnits, styleValue, ref nextIndex);
if (text == null)
{
text = "px";
}
if (mustBeNonNegative && styleValue[num] == '-')
{
return("0");
}
return(str + text);
}
IL_EB:
return(null);
}
private static void ParseCssFontFamily(string styleValue, ref int nextIndex, Hashtable localProperties)
{
string text = null;
while (nextIndex < styleValue.Length)
{
string text2 = HtmlCssParser.ParseWordEnumeration(HtmlCssParser._fontGenericFamilies, styleValue, ref nextIndex);
if (text2 == null)
{
if (nextIndex < styleValue.Length && (styleValue[nextIndex] == '"' || styleValue[nextIndex] == '\''))
{
char c = styleValue[nextIndex];
nextIndex++;
int num = nextIndex;
while (nextIndex < styleValue.Length && styleValue[nextIndex] != c)
{
nextIndex++;
}
text2 = '"' + styleValue.Substring(num, nextIndex - num) + '"';
nextIndex++;
}
if (text2 == null)
{
int num2 = nextIndex;
while (nextIndex < styleValue.Length && styleValue[nextIndex] != ',' && styleValue[nextIndex] != ';')
{
nextIndex++;
}
if (nextIndex > num2)
{
text2 = styleValue.Substring(num2, nextIndex - num2).Trim();
if (text2.Length == 0)
{
text2 = null;
}
}
}
}
HtmlCssParser.ParseWhiteSpace(styleValue, ref nextIndex);
if (nextIndex < styleValue.Length && styleValue[nextIndex] == ',')
{
nextIndex++;
}
if (text2 == null)
{
break;
}
if (text == null && text2.Length > 0)
{
if (text2[0] == '"' || text2[0] == '\'')
{
text2 = text2.Substring(1, text2.Length - 2);
}
text = text2;
}
}
if (text != null)
{
localProperties["font-family"] = text;
}
}
private static string ParseCssColor(string styleValue, ref int nextIndex)
{
HtmlCssParser.ParseWhiteSpace(styleValue, ref nextIndex);
string text = null;
if (nextIndex < styleValue.Length)
{
int num = nextIndex;
char c = styleValue[nextIndex];
if (c == '#')
{
for (nextIndex++; nextIndex < styleValue.Length; nextIndex++)
{
c = char.ToUpper(styleValue[nextIndex]);
if (('0' > c || c > '9') && ('A' > c || c > 'F'))
{
break;
}
}
if (nextIndex > num + 1)
{
text = styleValue.Substring(num, nextIndex - num);
}
}
else
{
if (styleValue.Substring(nextIndex, 3).ToLower() == "rgb")
{
text = "gray";
while (nextIndex < styleValue.Length && styleValue[nextIndex] != ')')
{
nextIndex++;
}
if (nextIndex < styleValue.Length)
{
nextIndex++;
}
Match match = HtmlCssParser.regexRGB.Match(styleValue);
if (match.Success)
{
int num2 = 128;
int num3 = 128;
int num4 = 128;
if (int.TryParse(match.Groups["red"].ToString(), out num2) && int.TryParse(match.Groups["green"].ToString(), out num3) && int.TryParse(match.Groups["blue"].ToString(), out num4))
{
text = string.Format("#{0:X2}{1:X2}{2:X2}", num2, num3, num4);
}
}
else
{
match = HtmlCssParser.regexRGBA.Match(styleValue);
if (match.Success)
{
int num5 = 128;
int num6 = 128;
int num7 = 128;
double num8 = 1.0;
if (int.TryParse(match.Groups["red"].ToString(), out num5) && int.TryParse(match.Groups["green"].ToString(), out num6) && int.TryParse(match.Groups["blue"].ToString(), out num7) && double.TryParse(match.Groups["alpha"].ToString(), out num8))
{
text = string.Format("#{3:X2}{0:X2}{1:X2}{2:X2}", new object[]
{
num5,
num6,
num7,
Math.Max(255, (int)(num8 * 255.0))
});
}
}
}
}
else
{
if (char.IsLetter(c))
{
text = HtmlCssParser.ParseWordEnumeration(HtmlCssParser._colors, styleValue, ref nextIndex);
if (text == null)
{
text = HtmlCssParser.ParseWordEnumeration(HtmlCssParser._systemColors, styleValue, ref nextIndex);
if (text != null)
{
text = "black";
}
}
}
}
}
}
return(text);
}