Core.Strings - reorg StringExtensions (no change to code)
This commit is contained in:
Stephan
@@ -21,7 +21,6 @@ namespace Umbraco.Core
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///</summary>
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public static class StringExtensions
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{
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public const string UmbracoValidAliasCharacters = "_-abcdefghijklmnopqrstuvwxyz1234567890";
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public const string UmbracoInvalidFirstCharacters = "01234567890";
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@@ -61,7 +60,8 @@ namespace Umbraco.Core
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return encrpytedValue.ToString().TrimEnd();
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}
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/// <summary>
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/// <summary>
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/// Decrypt the encrypted string using the Machine key in medium trust
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/// </summary>
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/// <param name="value">The string value to be decrypted</param>
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@@ -82,6 +82,7 @@ namespace Umbraco.Core
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return decryptedValue.ToString();
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}
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//this is from SqlMetal and just makes it a bit of fun to allow pluralisation
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public static string MakePluralName(this string name)
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{
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@@ -301,151 +302,6 @@ namespace Umbraco.Core
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return Regex.Replace(text, pattern, String.Empty);
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}
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/// <summary>
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/// Converts string to a URL alias.
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/// </summary>
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/// <param name="value">The value.</param>
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/// <param name="charReplacements">The char replacements.</param>
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/// <param name="replaceDoubleDashes">if set to <c>true</c> replace double dashes.</param>
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/// <param name="stripNonAscii">if set to <c>true</c> strip non ASCII.</param>
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/// <param name="urlEncode">if set to <c>true</c> URL encode.</param>
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/// <returns></returns>
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/// <remarks>
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/// This ensures that ONLY ascii chars are allowed and of those ascii chars, only digits and lowercase chars, all
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/// punctuation, etc... are stripped out, however this method allows you to pass in string's to replace with the
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/// specified replacement character before the string is converted to ascii and it has invalid characters stripped out.
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/// This allows you to replace strings like & , etc.. with your replacement character before the automatic
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/// reduction.
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/// </remarks>
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public static string ToUrlAlias(this string value, IDictionary<string, string> charReplacements, bool replaceDoubleDashes, bool stripNonAscii, bool urlEncode)
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{
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//first to lower case
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value = value.ToLowerInvariant();
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//then replacement chars
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value = charReplacements.Aggregate(value, (current, kvp) => current.Replace(kvp.Key, kvp.Value));
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//then convert to only ascii, this will remove the rest of any invalid chars
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if (stripNonAscii)
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{
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value = Encoding.ASCII.GetString(
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Encoding.Convert(
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Encoding.UTF8,
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Encoding.GetEncoding(
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Encoding.ASCII.EncodingName,
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new EncoderReplacementFallback(String.Empty),
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new DecoderExceptionFallback()),
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Encoding.UTF8.GetBytes(value)));
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//remove all characters that do not fall into the following categories (apart from the replacement val)
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var validCodeRanges =
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//digits
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Enumerable.Range(48, 10).Concat(
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//lowercase chars
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Enumerable.Range(97, 26));
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var sb = new StringBuilder();
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foreach (var c in value.Where(c => charReplacements.Values.Contains(c.ToString()) || validCodeRanges.Contains(c)))
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{
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sb.Append(c);
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}
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value = sb.ToString();
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}
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//trim dashes from end
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value = value.Trim('-', '_');
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//replace double occurances of - or _
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value = replaceDoubleDashes ? Regex.Replace(value, @"([-_]){2,}", "$1", RegexOptions.Compiled) : value;
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//url encode result
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return urlEncode ? HttpUtility.UrlEncode(value) : value;
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}
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/// <summary>
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/// Converts a string for use with an entity alias which is camel case and without invalid characters
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/// </summary>
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/// <param name="phrase">The phrase.</param>
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/// <param name="caseType">By default this is camel case</param>
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/// <param name="removeSpaces">if set to <c>true</c> [remove spaces].</param>
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/// <returns></returns>
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public static string ToUmbracoAlias(this string phrase, StringAliasCaseType caseType = StringAliasCaseType.CamelCase, bool removeSpaces = false)
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{
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if (string.IsNullOrEmpty(phrase)) return string.Empty;
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//convert case first
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var tmp = phrase.ConvertCase(caseType);
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//remove non-alphanumeric chars
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var result = Regex.Replace(tmp, @"[^a-zA-Z0-9\s\.-]+", "", RegexOptions.Compiled);
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if (removeSpaces)
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result = result.Replace(" ", "");
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return result;
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}
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/// <summary>
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/// Splits a Pascal cased string into a phrase seperated by spaces.
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/// </summary>
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/// <param name="phrase">String to split</param>
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/// <returns></returns>
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public static string SplitPascalCasing(this string phrase)
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{
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string result = Regex.Replace(phrase, "([a-z](?=[A-Z])|[A-Z](?=[A-Z][a-z]))", "$1 ");
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return result;
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}
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/// <summary>
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/// Converts the phrase to specified convention.
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/// </summary>
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/// <param name="phrase"></param>
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/// <param name="cases">The cases.</param>
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/// <returns>string</returns>
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public static string ConvertCase(this string phrase, StringAliasCaseType cases)
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{
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var splittedPhrase = Regex.Split(phrase, @"[^a-zA-Z0-9\']", RegexOptions.Compiled);
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if (cases == StringAliasCaseType.Unchanged)
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return string.Join("", splittedPhrase);
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//var splittedPhrase = phrase.Split(' ', '-', '.');
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var sb = new StringBuilder();
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foreach (var splittedPhraseChars in splittedPhrase.Select(s => s.ToCharArray()))
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{
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if (splittedPhraseChars.Length > 0)
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{
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splittedPhraseChars[0] = ((new String(splittedPhraseChars[0], 1)).ToUpper().ToCharArray())[0];
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}
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sb.Append(new String(splittedPhraseChars));
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}
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var result = sb.ToString();
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if (cases == StringAliasCaseType.CamelCase)
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{
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if (result.Length > 1)
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{
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var pattern = new Regex("^([A-Z]*)([A-Z].*)$", RegexOptions.Singleline | RegexOptions.Compiled);
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var match = pattern.Match(result);
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if (match.Success)
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{
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result = match.Groups[1].Value.ToLower() + match.Groups[2].Value;
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return result.Substring(0, 1).ToLower() + result.Substring(1);
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}
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return result;
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}
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return result.ToLower();
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}
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return result;
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}
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/// <summary>
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/// Encodes as GUID.
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/// </summary>
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@@ -803,6 +659,70 @@ namespace Umbraco.Core
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: alternative;
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}
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// FORMAT STRINGS
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/// <summary>
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/// Converts string to a URL alias.
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/// </summary>
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/// <param name="value">The value.</param>
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/// <param name="charReplacements">The char replacements.</param>
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/// <param name="replaceDoubleDashes">if set to <c>true</c> replace double dashes.</param>
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/// <param name="stripNonAscii">if set to <c>true</c> strip non ASCII.</param>
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/// <param name="urlEncode">if set to <c>true</c> URL encode.</param>
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/// <returns></returns>
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/// <remarks>
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/// This ensures that ONLY ascii chars are allowed and of those ascii chars, only digits and lowercase chars, all
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/// punctuation, etc... are stripped out, however this method allows you to pass in string's to replace with the
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/// specified replacement character before the string is converted to ascii and it has invalid characters stripped out.
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/// This allows you to replace strings like & , etc.. with your replacement character before the automatic
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/// reduction.
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/// </remarks>
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public static string ToUrlAlias(this string value, IDictionary<string, string> charReplacements, bool replaceDoubleDashes, bool stripNonAscii, bool urlEncode)
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{
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//first to lower case
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value = value.ToLowerInvariant();
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//then replacement chars
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value = charReplacements.Aggregate(value, (current, kvp) => current.Replace(kvp.Key, kvp.Value));
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//then convert to only ascii, this will remove the rest of any invalid chars
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if (stripNonAscii)
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{
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value = Encoding.ASCII.GetString(
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Encoding.Convert(
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Encoding.UTF8,
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Encoding.GetEncoding(
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Encoding.ASCII.EncodingName,
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new EncoderReplacementFallback(String.Empty),
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new DecoderExceptionFallback()),
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Encoding.UTF8.GetBytes(value)));
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//remove all characters that do not fall into the following categories (apart from the replacement val)
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var validCodeRanges =
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//digits
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Enumerable.Range(48, 10).Concat(
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//lowercase chars
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Enumerable.Range(97, 26));
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var sb = new StringBuilder();
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foreach (var c in value.Where(c => charReplacements.Values.Contains(c.ToString()) || validCodeRanges.Contains(c)))
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{
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sb.Append(c);
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}
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value = sb.ToString();
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}
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//trim dashes from end
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value = value.Trim('-', '_');
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//replace double occurances of - or _
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value = replaceDoubleDashes ? Regex.Replace(value, @"([-_]){2,}", "$1", RegexOptions.Compiled) : value;
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//url encode result
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return urlEncode ? HttpUtility.UrlEncode(value) : value;
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}
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public static string FormatUrl(this string url)
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{
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string newUrl = url;
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@@ -870,5 +790,89 @@ namespace Umbraco.Core
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return alias;
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}
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/// <summary>
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/// Converts a string for use with an entity alias which is camel case and without invalid characters
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/// </summary>
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/// <param name="phrase">The phrase.</param>
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/// <param name="caseType">By default this is camel case</param>
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/// <param name="removeSpaces">if set to <c>true</c> [remove spaces].</param>
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/// <returns></returns>
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public static string ToUmbracoAlias(this string phrase, StringAliasCaseType caseType = StringAliasCaseType.CamelCase, bool removeSpaces = false)
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{
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if (string.IsNullOrEmpty(phrase)) return string.Empty;
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//convert case first
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var tmp = phrase.ConvertCase(caseType);
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//remove non-alphanumeric chars
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var result = Regex.Replace(tmp, @"[^a-zA-Z0-9\s\.-]+", "", RegexOptions.Compiled);
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if (removeSpaces)
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result = result.Replace(" ", "");
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return result;
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}
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/// <summary>
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/// Converts the phrase to specified convention.
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/// </summary>
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/// <param name="phrase"></param>
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/// <param name="cases">The cases.</param>
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/// <returns>string</returns>
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public static string ConvertCase(this string phrase, StringAliasCaseType cases)
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{
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var splittedPhrase = Regex.Split(phrase, @"[^a-zA-Z0-9\']", RegexOptions.Compiled);
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if (cases == StringAliasCaseType.Unchanged)
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return string.Join("", splittedPhrase);
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//var splittedPhrase = phrase.Split(' ', '-', '.');
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var sb = new StringBuilder();
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foreach (var splittedPhraseChars in splittedPhrase.Select(s => s.ToCharArray()))
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{
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if (splittedPhraseChars.Length > 0)
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{
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splittedPhraseChars[0] = ((new String(splittedPhraseChars[0], 1)).ToUpper().ToCharArray())[0];
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}
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sb.Append(new String(splittedPhraseChars));
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}
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var result = sb.ToString();
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if (cases == StringAliasCaseType.CamelCase)
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{
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if (result.Length > 1)
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{
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var pattern = new Regex("^([A-Z]*)([A-Z].*)$", RegexOptions.Singleline | RegexOptions.Compiled);
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var match = pattern.Match(result);
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if (match.Success)
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{
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result = match.Groups[1].Value.ToLower() + match.Groups[2].Value;
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return result.Substring(0, 1).ToLower() + result.Substring(1);
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}
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return result;
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}
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return result.ToLower();
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}
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return result;
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}
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/// <summary>
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/// Splits a Pascal cased string into a phrase seperated by spaces.
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/// </summary>
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/// <param name="phrase">String to split</param>
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/// <returns></returns>
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public static string SplitPascalCasing(this string phrase)
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{
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string result = Regex.Replace(phrase, "([a-z](?=[A-Z])|[A-Z](?=[A-Z][a-z]))", "$1 ");
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return result;
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}
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}
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}
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