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// Django/Jinja2 syntax definition for Prism.js <http://prismjs.com> syntax highlighter.
// Mostly it works OK but can paint code incorrectly on complex html/template tag combinations.
(function (Prism) {
Prism.languages.django = {
comment: /^\{#[\s\S]*?#\}$/,
tag: {
pattern: /(^\{%[+-]?\s*)\w+/,
lookbehind: true,
alias: 'keyword',
},
delimiter: {
pattern: /^\{[{%][+-]?|[+-]?[}%]\}$/,
alias: 'punctuation',
},
string: {
pattern: /("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
greedy: true,
},
filter: {
pattern: /(\|)\w+/,
lookbehind: true,
alias: 'function',
},
test: {
pattern: /(\bis\s+(?:not\s+)?)(?!not\b)\w+/,
lookbehind: true,
alias: 'function',
},
function: /\b[a-z_]\w+(?=\s*\()/i,
keyword:
/\b(?:and|as|by|else|for|if|import|in|is|loop|not|or|recursive|with|without)\b/,
operator: /[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,
number: /\b\d+(?:\.\d+)?\b/,
boolean: /[Ff]alse|[Nn]one|[Tt]rue/,
variable: /\b\w+\b/,
punctuation: /[{}[\](),.:;]/,
};
var pattern = /\{\{[\s\S]*?\}\}|\{%[\s\S]*?%\}|\{#[\s\S]*?#\}/g;
var markupTemplating = Prism.languages['markup-templating'];
Prism.hooks.add('before-tokenize', function (env) {
markupTemplating.buildPlaceholders(env, 'django', pattern);
});
Prism.hooks.add('after-tokenize', function (env) {
markupTemplating.tokenizePlaceholders(env, 'django');
});
// Add an Jinja2 alias
Prism.languages.jinja2 = Prism.languages.django;
Prism.hooks.add('before-tokenize', function (env) {
markupTemplating.buildPlaceholders(env, 'jinja2', pattern);
});
Prism.hooks.add('after-tokenize', function (env) {
markupTemplating.tokenizePlaceholders(env, 'jinja2');
});
})(Prism);
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