/// <summary>
/// 将含有HTML实体字符的字符串解码
/// </summary>
/// <param name="input">输入字符串</param>
/// <returns></returns>
public static string DecodeHTMLString(string input, bool skipWiteSpace)
{
char c;
int i = 0;
StringBuilder sb = new StringBuilder(input.Length);
while (i < input.Length)
{
c = input[i];
if (c == '&')
{
i++;
int j = i;
while (j - i < _maxEntLen && j < input.Length)
{
if (input[j] == ';')
{
if (j - i > 0)
{
char e = DecodeEntity(new string(input.ToCharArray(i, j - i)));
if (e == HtmlConst.CHEMPTY)
{
break;
}
sb.Append(e);
}
else
{
sb.Append("&;");
}
j++;
i = j;
break;
}
j++;
}
if (i != j)
{
sb.Append('&');
}
continue;
}
else
{
if (skipWiteSpace)
{
if (!HtmlConst.IsWhiteSpace(c))
{
sb.Append(c);
}
}
else
{
sb.Append(c);
}
}
i++;
}
return(sb.ToString());
}
/// <summary>
/// 解析样式
/// </summary>
/// <param name="style"></param>
/// <returns></returns>
public Dictionary <string, string> ParseStyleString(string style)
{
int i = 0;
char c;
string key;
string val;
int valStartIndex = 0;
int keyStartIndex = -1;
while (i < style.Length)
{
c = style[i];
if (c == ':')
{
if (keyStartIndex == -1)
{
i++;
continue;
}
//key = new string(style.ToCharArray(keyStartIndex, i - keyStartIndex));
key = this.GetStringToLower(style, keyStartIndex, i - keyStartIndex);
i++;
while (i < style.Length)
{
if (!HtmlConst.IsWhiteSpace(style[i]))
{
break;
}
i++;
}
int j = i;
valStartIndex = i;
while (j < style.Length)
{
if (style[j] == ';')
{
if (j - i > 0)
{
//val = new string(style.ToCharArray(i, j - i));
val = this.GetStringToLower(style, i, j - i);
Insert(key, val);
}
valStartIndex = 0;
keyStartIndex = -1;
i = j;
break;
}
j++;
}
if (valStartIndex > 0)
{
if (j - i > 0)
{
//val = new string(style.ToCharArray(i, j - i));
val = this.GetStringToLower(style, i, j - i);
Insert(key, val);
}
valStartIndex = 0;
keyStartIndex = -1;
i = j;
break;
}
}
else
if (keyStartIndex == -1 && valStartIndex == 0)
{
if (!HtmlConst.IsWhiteSpace(c))
{
keyStartIndex = i;
}
}
i++;
}
return(this._dic);
}