/// <summary>
/// Replace characters above 127 by entities.
/// </summary>
/// <param name="text">The source text.</param>
/// <param name="useNames">If set to false, the function will not use known entities name. Default is true.</param>
/// <param name="entitizeQuotAmpAndLtGt">If set to true, the [quote], [ampersand], [lower than] and [greather than] characters will be entitized.</param>
/// <returns>The result text</returns>
public static string Entitize(string text, bool useNames, bool entitizeQuotAmpAndLtGt)
// _entityValue.Add("quot", 34); // quotation mark = APL quote, U+0022 ISOnum
// _entityName.Add(34, "quot");
// _entityValue.Add("amp", 38); // ampersand, U+0026 ISOnum
// _entityName.Add(38, "amp");
// _entityValue.Add("lt", 60); // less-than sign, U+003C ISOnum
// _entityName.Add(60, "lt");
// _entityValue.Add("gt", 62); // greater-than sign, U+003E ISOnum
// _entityName.Add(62, "gt");
{
if (text == null)
{
return(null);
}
if (text.Length == 0)
{
return(text);
}
StringBuilder sb = new StringBuilder(text.Length);
for (int i = 0; i < text.Length; i++)
{
int code = text[i];
if ((code > 127) ||
(entitizeQuotAmpAndLtGt && ((code == 34) || (code == 38) || (code == 60) || (code == 62))))
{
string entity;
EntityName.TryGetValue(code, out entity);
if ((entity == null) || (!useNames))
{
sb.Append("&#" + code + ";");
}
else
{
sb.Append("&" + entity + ";");
}
}
else
{
sb.Append(text[i]);
}
}
return(sb.ToString());
}
/// <summary>
/// Replace characters above 127 by entities.
/// </summary>
/// <param name="text">The source text.</param>
/// <param name="useNames">If set to false, the function will not use known entities name. Default is true.</param>
/// <param name="entitizeQuotAmpAndLtGt">If set to true, the [quote], [ampersand], [lower than] and [greather than] characters will be entitized.</param>
/// <returns>The result text</returns>
public static string Entitize(string text, bool useNames, bool entitizeQuotAmpAndLtGt)
// _entityValue.Add("quot", 34); // quotation mark = APL quote, U+0022 ISOnum
// _entityName.Add(34, "quot");
// _entityValue.Add("amp", 38); // ampersand, U+0026 ISOnum
// _entityName.Add(38, "amp");
// _entityValue.Add("lt", 60); // less-than sign, U+003C ISOnum
// _entityName.Add(60, "lt");
// _entityValue.Add("gt", 62); // greater-than sign, U+003E ISOnum
// _entityName.Add(62, "gt");
{
if (text == null)
{
return(null);
}
if (text.Length == 0)
{
return(text);
}
StringBuilder sb = new StringBuilder(text.Length);
#if !FX20 && !FX35
if (UseWebUtility)
{
TextElementEnumerator enumerator = StringInfo.GetTextElementEnumerator(text);
while (enumerator.MoveNext())
{
sb.Append(System.Net.WebUtility.HtmlEncode(enumerator.GetTextElement()));
}
}
else
{
#endif
for (int i = 0; i < text.Length; i++)
{
int code = text[i];
if ((code > 127) ||
(entitizeQuotAmpAndLtGt && ((code == 34) || (code == 38) || (code == 60) || (code == 62))))
{
string entity = null;
if (useNames)
{
EntityName.TryGetValue(code, out entity);
}
if (entity == null)
{
sb.Append("&#" + code + ";");
}
else
{
sb.Append("&" + entity + ";");
}
}
else
{
sb.Append(text[i]);
}
}
#if !FX20 && !FX35
}
#endif
return(sb.ToString());
}
