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Allow Text token chaining when possible.

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Correct some errors on token descriptions.
This commit is contained in:
Thierry Fleury
2015-07-24 17:42:07 +02:00
parent 25c34d8bca
commit 67e7d1074e
2 changed files with 21 additions and 17 deletions
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36
src/Orchard.Web/Modules/Orchard.Tokens/Providers/TextTokens.cs
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@@ -13,38 +13,42 @@ namespace Orchard.Tokens.Providers {
public void Describe(DescribeContext context) {
context.For("Text", T("Text"), T("Tokens for text strings"))
.Token("Limit:*", T("Limit:<text length>[,<ellipsis>]"), T("Limit text to specified length and append an optional ellipsis text."))
.Token("Format:*", T("Format:<text format>"), T("Optional format specifier (e.g. foo{0}bar). See format strings at <a target=\"_blank\" href=\"http://msdn.microsoft.com/en-us/library/az4se3k1.aspx\">Standard Formats</a> and <a target=\"_blank\" href=\"http://msdn.microsoft.com/en-us/library/8kb3ddd4.aspx\">Custom Formats</a>"), "DateTime")
.Token("TrimEnd:*", T("TrimEnd:<chars|number>"), T("Trims the specified characters or number of them from the end of the string."), "Text")
.Token("Format:*", T("Format:<text format>"), T("Optional format specifier (e.g. foo{0}bar)."))
.Token("TrimEnd:*", T("TrimEnd:<chars|number>"), T("Trims the specified characters or number of them from the end of the string."))
.Token("UrlEncode", T("Url Encode"), T("Encodes a URL string."), "Text")
.Token("HtmlEncode", T("Html Encode"), T("Encodes an HTML string."), "Text")
.Token("LineEncode", T("Line Encode"), T("Replaces new lines with <br /> tags."))
.Token("LineEncode", T("Line Encode"), T("Replaces new lines with <br /> tags."), "Text")
;
}
public void Evaluate(EvaluateContext context) {
context.For<String>("Text", () => "")
.Token( // {Text}
// {Text}
.Token(
token => token == String.Empty ? String.Empty : null,
(token, d) => d.ToString())
.Token( // {Text.Limit:<length>[,<ellipsis>]}
token => {
if (token.StartsWith("Limit:", StringComparison.OrdinalIgnoreCase)) {
var param = token.Substring("Limit:".Length);
return param;
}
return null;
},
// {Text.Limit:<length>[,<ellipsis>]}
.Token(
token => FilterTokenParam("Limit:", token),
(token, t) => Limit(t, token))
// {Text.Format:<formatstring>}
.Token(
token => token.StartsWith("Format:", StringComparison.OrdinalIgnoreCase) ? token.Substring("Format:".Length) : null,
(token, d) => String.Format(d,token))
.Token(token => token.StartsWith("TrimEnd:", StringComparison.OrdinalIgnoreCase) ? token.Substring("TrimEnd:".Length) : null, TrimEnd)
token => FilterTokenParam("Format:", token),
(token, d) => String.Format(d, token))
// {Text.TrimEnd:<chars|number>}
.Token(token => FilterTokenParam("TrimEnd:", token), TrimEnd)
.Token("UrlEncode", HttpUtility.UrlEncode)
.Chain("UrlEncode", "Text", HttpUtility.UrlEncode)
.Token("HtmlEncode", HttpUtility.HtmlEncode)
.Chain("HtmlEncode", "Text", HttpUtility.HtmlEncode)
.Token("LineEncode", text => text.Replace(System.Environment.NewLine, "<br />"))
.Chain("LineEncode", "Text", text => text.Replace(System.Environment.NewLine, "<br />"))
;
}
private static string FilterTokenParam(string tokenName, string token) {
return token.StartsWith(tokenName, StringComparison.OrdinalIgnoreCase) ? token.Substring(tokenName.Length) : null;
}
private static string TrimEnd(string token, string param) {