internal static void HeaderNameValueEncode(string headerName, string headerValue, out string encodedHeaderName, out string encodedHeaderValue) { encodedHeaderName = ((!string.IsNullOrEmpty(headerName)) ? HttpEncoder.EncodeHeaderString(headerName) : headerName); encodedHeaderValue = ((!string.IsNullOrEmpty(headerValue)) ? HttpEncoder.EncodeHeaderString(headerValue) : headerValue); }
static HttpEncoder() { defaultEncoder = new HttpEncoder(); currentEncoder = defaultEncoder; }
internal static string HtmlDecode(string s) { if (s == null) { return(null); } if (s.Length == 0) { return(string.Empty); } if (s.IndexOf('&') == -1) { return(s); } StringBuilder stringBuilder = new StringBuilder(); StringBuilder stringBuilder2 = new StringBuilder(); int length = s.Length; int num = 0; int num2 = 0; bool flag = false; bool flag2 = false; for (int i = 0; i < length; i++) { char c = s[i]; if (num == 0) { if (c == '&') { stringBuilder.Append(c); num = 1; } else { stringBuilder2.Append(c); } } else if (c == '&') { num = 1; if (flag2) { stringBuilder.Append(num2.ToString(Helpers.InvariantCulture)); flag2 = false; } stringBuilder2.Append(stringBuilder); stringBuilder.Length = 0; stringBuilder.Append('&'); } else { switch (num) { case 1: if (c == ';') { num = 0; stringBuilder2.Append(stringBuilder); stringBuilder2.Append(c); stringBuilder.Length = 0; } else { num2 = 0; flag = false; num = ((c == '#') ? 3 : 2); stringBuilder.Append(c); } break; case 2: stringBuilder.Append(c); if (c == ';') { string text = stringBuilder.ToString(); if (text.Length > 1 && HttpEncoder.Entities.ContainsKey(text.Substring(1, text.Length - 2))) { text = HttpEncoder.Entities[text.Substring(1, text.Length - 2)].ToString(); } stringBuilder2.Append(text); num = 0; stringBuilder.Length = 0; } break; case 3: if (c == ';') { if (num2 > 65535) { stringBuilder2.Append("&#"); stringBuilder2.Append(num2.ToString(Helpers.InvariantCulture)); stringBuilder2.Append(";"); } else { stringBuilder2.Append((char)num2); } num = 0; stringBuilder.Length = 0; flag2 = false; } else if (flag && HttpEncoder.IsHexDigit(c)) { num2 = num2 * 16 + HttpEncoder.FromHex(c); flag2 = true; } else if (char.IsDigit(c)) { num2 = num2 * 10 + (int)(c - '0'); flag2 = true; } else if (num2 == 0 && (c == 'x' || c == 'X')) { flag = true; } else { num = 2; if (flag2) { stringBuilder.Append(num2.ToString(Helpers.InvariantCulture)); flag2 = false; } stringBuilder.Append(c); } break; } } } if (stringBuilder.Length > 0) { stringBuilder2.Append(stringBuilder); } else if (flag2) { stringBuilder2.Append(num2.ToString(Helpers.InvariantCulture)); } return(stringBuilder2.ToString()); }
public static string HtmlAttributeEncode(string s) { return(HttpEncoder.HtmlAttributeEncode(s)); }
public static string UrlPathEncode(string s) { return(HttpEncoder.UrlPathEncode(s)); }
/// <summary> /// Decodes an HTML-encoded string and returns the decoded string. /// </summary> /// <param name="s">The HTML string to decode. </param> /// <returns>The decoded text.</returns> public static string HtmlDecode(string s) { return(HttpEncoder.HtmlDecode(s)); }