diff options
Diffstat (limited to 'node_modules/prismjs/components/prism-markup-templating.js')
| -rw-r--r-- | node_modules/prismjs/components/prism-markup-templating.js | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/node_modules/prismjs/components/prism-markup-templating.js b/node_modules/prismjs/components/prism-markup-templating.js new file mode 100644 index 00000000..24dbc26f --- /dev/null +++ b/node_modules/prismjs/components/prism-markup-templating.js @@ -0,0 +1,89 @@ +Prism.languages['markup-templating'] = {}; + +Object.defineProperties(Prism.languages['markup-templating'], { + buildPlaceholders: { + // Tokenize all inline templating expressions matching placeholderPattern + // If the replaceFilter function is provided, it will be called with every match. + // If it returns false, the match will not be replaced. + value: function (env, language, placeholderPattern, replaceFilter) { + if (env.language !== language) { + return; + } + + env.tokenStack = []; + + env.code = env.code.replace(placeholderPattern, function(match) { + if (typeof replaceFilter === 'function' && !replaceFilter(match)) { + return match; + } + var i = env.tokenStack.length; + // Check for existing strings + while (env.code.indexOf('___' + language.toUpperCase() + i + '___') !== -1) + ++i; + + // Create a sparse array + env.tokenStack[i] = match; + + return '___' + language.toUpperCase() + i + '___'; + }); + + // Switch the grammar to markup + env.grammar = Prism.languages.markup; + } + }, + tokenizePlaceholders: { + // Replace placeholders with proper tokens after tokenizing + value: function (env, language) { + if (env.language !== language || !env.tokenStack) { + return; + } + + // Switch the grammar back + env.grammar = Prism.languages[language]; + + var j = 0; + var keys = Object.keys(env.tokenStack); + var walkTokens = function (tokens) { + if (j >= keys.length) { + return; + } + for (var i = 0; i < tokens.length; i++) { + var token = tokens[i]; + if (typeof token === 'string' || (token.content && typeof token.content === 'string')) { + var k = keys[j]; + var t = env.tokenStack[k]; + var s = typeof token === 'string' ? token : token.content; + + var index = s.indexOf('___' + language.toUpperCase() + k + '___'); + if (index > -1) { + ++j; + var before = s.substring(0, index); + var middle = new Prism.Token(language, Prism.tokenize(t, env.grammar, language), 'language-' + language, t); + var after = s.substring(index + ('___' + language.toUpperCase() + k + '___').length); + var replacement; + if (before || after) { + replacement = [before, middle, after].filter(function (v) { return !!v; }); + walkTokens(replacement); + } else { + replacement = middle; + } + if (typeof token === 'string') { + Array.prototype.splice.apply(tokens, [i, 1].concat(replacement)); + } else { + token.content = replacement; + } + + if (j >= keys.length) { + break; + } + } + } else if (token.content && typeof token.content !== 'string') { + walkTokens(token.content); + } + } + }; + + walkTokens(env.tokens); + } + } +});
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