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Support for Template Toolkit 2 (#1418)
* support for Template Toolkit 2 * optimized quoted string regexes * optimized double-quoted string regex * fully qualified tt2 plug-in names don't work Also use \w. * do not use empty character class See #1107. * put keyword tests in alphabetical order * ordered tt2 keywords alphabetically * removed redundant operator rule for tt2 * removed possibly existing old rules before inserti * indentation * allow backslash in front of lf in tt2 strings * indentation * avoid backtracking * escape xml special characters * indent with tab instead of spaces * greedy is no longer needed for variables Also use \w instead of explicit character class. * re-generated with gulp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| (function(Prism) { | ||
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| Prism.languages.tt2 = Prism.languages.extend('clike', { | ||
| comment: { | ||
| pattern: /#.*|\[%#[\s\S]*?%\]/, | ||
| lookbehind: true | ||
| }, | ||
| keyword: /\b(?:BLOCK|CALL|CASE|CATCH|CLEAR|DEBUG|DEFAULT|ELSE|ELSIF|END|FILTER|FINAL|FOREACH|GET|IF|IN|INCLUDE|INSERT|LAST|MACRO|META|NEXT|PERL|PROCESS|RAWPERL|RETURN|SET|STOP|TAGS|THROW|TRY|SWITCH|UNLESS|USE|WHILE|WRAPPER)\b/, | ||
| punctuation: /[[\]{},()]/ | ||
| }); | ||
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| delete Prism.languages.tt2['operator']; | ||
| delete Prism.languages.tt2['variable']; | ||
| Prism.languages.insertBefore('tt2', 'number', { | ||
| operator: /=[>=]?|!=?|<=?|>=?|&&|\|\|?|\b(?:and|or|not)\b/, | ||
| variable: { | ||
| pattern: /[a-z]\w*(?:\s*\.\s*(?:\d+|\$?[a-z]\w*))*/i | ||
| } | ||
| }); | ||
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| delete Prism.languages.tt2['delimiter']; | ||
| Prism.languages.insertBefore('tt2', 'keyword', { | ||
| 'delimiter': { | ||
| pattern: /^(?:\[%|%%)-?|-?%]$/, | ||
| alias: 'punctuation' | ||
| } | ||
| }); | ||
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| Prism.languages.insertBefore('tt2', 'string', { | ||
| 'single-quoted-string': { | ||
| pattern: /'[^\\']*(?:\\[\s\S][^\\']*)*'/, | ||
| greedy: true, | ||
| alias: 'string' | ||
| }, | ||
| 'double-quoted-string': { | ||
| pattern: /"[^\\"]*(?:\\[\s\S][^\\"]*)*"/, | ||
| greedy: true, | ||
| alias: 'string', | ||
| inside: { | ||
| variable: { | ||
| pattern: /\$(?:[a-z]\w*(?:\.(?:\d+|\$?[a-z]\w*))*)/i | ||
| } | ||
| } | ||
| } | ||
| }); | ||
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| // The different types of TT2 strings "replace" the C-like standard string | ||
| delete Prism.languages.tt2.string; | ||
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| Prism.hooks.add('before-tokenize', function(env) { | ||
| var tt2Pattern = /\[%[\s\S]+?%\]/g; | ||
| Prism.languages['markup-templating'].buildPlaceholders(env, 'tt2', tt2Pattern); | ||
| }); | ||
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| Prism.hooks.add('after-tokenize', function(env) { | ||
| Prism.languages['markup-templating'].tokenizePlaceholders(env, 'tt2'); | ||
| }); | ||
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| }(Prism)); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| <h2>Comments</h2> | ||
| <pre><code class="language-tt2">[%# this entire directive is ignored no | ||
| matter how many lines it wraps onto | ||
| %] | ||
| [% # this is a comment | ||
| theta = 20 # so is this | ||
| rho = 30 # <aol>me too!</aol> | ||
| %] | ||
| </code></pre> | ||
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| <h2>Variables</h2> | ||
| <pre><code class="language-tt2">[% text %] | ||
| [% article.title %] | ||
| [%= eat.whitespace.left %] | ||
| [% eat.whitespace.right =%] | ||
| [%= eat.whitespace.both =%] | ||
| [% object.method() %]</code></pre> | ||
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| <h2>Conditionals and Loops</h2> | ||
| <pre><code class="language-tt2">[% IF foo = bar %] | ||
| this | ||
| [% ELSE %] | ||
| that | ||
| [% END %] | ||
| [% FOREACH post IN q.listPosts(lingua = "de") %] | ||
| <a href="[% post.permalink %]">[% post.title | html %]</a> | ||
| [% END %]</code></pre> | ||
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| <h2>Multiple Directives</h2> | ||
| <pre><code class="language-tt2">[% IF title; | ||
| INCLUDE header; | ||
| ELSE; | ||
| INCLUDE other/header title="Some Other Title"; | ||
| END | ||
| %]</code></pre> | ||
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| <h2>Operators</h2> | ||
| <pre><code class="language-tt2">[% FOREACH post IN q.listPosts(lingua => 'de') %] | ||
| [% post.title | myfilter(foo = "bar") %] | ||
| [% END %]</code></pre> | ||
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| <h2>Known Limitations</h2> | ||
| <ul> | ||
| <li><a href="http://template-toolkit.org/docs/manual/Syntax.html#section_Outline_Tags"> | ||
| Outline tags</a> are not supported.</li> | ||
| <li>The arguments to | ||
| <a href="http://template-toolkit.org/docs/manual/Directives.html#section_TAGS">TAGS</a> | ||
| are usually misinterpreted</li> | ||
| <li>In TT2, you can use keywords as identifiers where this is | ||
| unambiguous. But these keywords will be highlighted as keywords, not | ||
| as variables here.</li> | ||
| <li>The | ||
| <a href="http://template-toolkit.org/docs/manual/Config.html#section_ANYCASE">ANYCASE</a> | ||
| option is not supported.</li> | ||
| <li> | ||
| Any number of backslashes in front of dollar signs inside of double quoted | ||
| strings are ignored since the behavior of Template Toolkit 2.26 seems to be | ||
| inconsistent. | ||
| </li> | ||
| </ul> |
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