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(function (Prism) {
var stringPattern = /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;
var numberPattern = /\b\d+(?:\.\d+)?(?:[eE][+-]?\d+)?\b|\b0x[\dA-F]+\b/;
Prism.languages.soy = {
comment: [
/\/\*[\s\S]*?\*\//,
{
pattern: /(\s)\/\/.*/,
lookbehind: true,
greedy: true,
},
],
'command-arg': {
pattern:
/(\{+\/?\s*(?:alias|call|delcall|delpackage|deltemplate|namespace|template)\s+)\.?[\w.]+/,
lookbehind: true,
alias: 'string',
inside: {
punctuation: /\./,
},
},
parameter: {
pattern: /(\{+\/?\s*@?param\??\s+)\.?[\w.]+/,
lookbehind: true,
alias: 'variable',
},
keyword: [
{
pattern:
/(\{+\/?[^\S\r\n]*)(?:\\[nrt]|alias|call|case|css|default|delcall|delpackage|deltemplate|else(?:if)?|fallbackmsg|for(?:each)?|if(?:empty)?|lb|let|literal|msg|namespace|nil|@?param\??|rb|sp|switch|template|xid)/,
lookbehind: true,
},
/\b(?:any|as|attributes|bool|css|float|html|in|int|js|list|map|null|number|string|uri)\b/,
],
delimiter: {
pattern: /^\{+\/?|\/?\}+$/,
alias: 'punctuation',
},
property: /\w+(?==)/,
variable: {
pattern: /\$[^\W\d]\w*(?:\??(?:\.\w+|\[[^\]]+\]))*/,
inside: {
string: {
pattern: stringPattern,
greedy: true,
},
number: numberPattern,
punctuation: /[\[\].?]/,
},
},
string: {
pattern: stringPattern,
greedy: true,
},
function: [
/\w+(?=\()/,
{
pattern: /(\|[^\S\r\n]*)\w+/,
lookbehind: true,
},
],
boolean: /\b(?:false|true)\b/,
number: numberPattern,
operator: /\?:?|<=?|>=?|==?|!=|[+*/%-]|\b(?:and|not|or)\b/,
punctuation: /[{}()\[\]|.,:]/,
};
// Tokenize all inline Soy expressions
Prism.hooks.add('before-tokenize', function (env) {
var soyPattern = /\{\{.+?\}\}|\{.+?\}|\s\/\/.*|\/\*[\s\S]*?\*\//g;
var soyLitteralStart = '{literal}';
var soyLitteralEnd = '{/literal}';
var soyLitteralMode = false;
Prism.languages['markup-templating'].buildPlaceholders(
env,
'soy',
soyPattern,
function (match) {
// Soy tags inside {literal} block are ignored
if (match === soyLitteralEnd) {
soyLitteralMode = false;
}
if (!soyLitteralMode) {
if (match === soyLitteralStart) {
soyLitteralMode = true;
}
return true;
}
return false;
}
);
});
// Re-insert the tokens after tokenizing
Prism.hooks.add('after-tokenize', function (env) {
Prism.languages['markup-templating'].tokenizePlaceholders(env, 'soy');
});
})(Prism);
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