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author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <dimitri@ouroboros.rocks> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/extglob/lib/parsers.js | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip |
build: Add some required modules for node
Diffstat (limited to 'node_modules/extglob/lib/parsers.js')
-rw-r--r-- | node_modules/extglob/lib/parsers.js | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/node_modules/extglob/lib/parsers.js b/node_modules/extglob/lib/parsers.js new file mode 100644 index 0000000..2ba7352 --- /dev/null +++ b/node_modules/extglob/lib/parsers.js @@ -0,0 +1,156 @@ +'use strict'; + +var brackets = require('expand-brackets'); +var define = require('define-property'); +var utils = require('./utils'); + +/** + * Characters to use in text regex (we want to "not" match + * characters that are matched by other parsers) + */ + +var TEXT_REGEX = '([!@*?+]?\\(|\\)|[*?.+\\\\]|\\[:?(?=.*\\])|:?\\])+'; +var not = utils.createRegex(TEXT_REGEX); + +/** + * Extglob parsers + */ + +function parsers(extglob) { + extglob.state = extglob.state || {}; + + /** + * Use `expand-brackets` parsers + */ + + extglob.use(brackets.parsers); + extglob.parser.sets.paren = extglob.parser.sets.paren || []; + extglob.parser + + /** + * Extglob open: "*(" + */ + + .capture('paren.open', function() { + var parsed = this.parsed; + var pos = this.position(); + var m = this.match(/^([!@*?+])?\(/); + if (!m) return; + + var prev = this.prev(); + var prefix = m[1]; + var val = m[0]; + + var open = pos({ + type: 'paren.open', + parsed: parsed, + val: val + }); + + var node = pos({ + type: 'paren', + prefix: prefix, + nodes: [open] + }); + + // if nested negation extglobs, just cancel them out to simplify + if (prefix === '!' && prev.type === 'paren' && prev.prefix === '!') { + prev.prefix = '@'; + node.prefix = '@'; + } + + define(node, 'rest', this.input); + define(node, 'parsed', parsed); + define(node, 'parent', prev); + define(open, 'parent', node); + + this.push('paren', node); + prev.nodes.push(node); + }) + + /** + * Extglob close: ")" + */ + + .capture('paren.close', function() { + var parsed = this.parsed; + var pos = this.position(); + var m = this.match(/^\)/); + if (!m) return; + + var parent = this.pop('paren'); + var node = pos({ + type: 'paren.close', + rest: this.input, + parsed: parsed, + val: m[0] + }); + + if (!this.isType(parent, 'paren')) { + if (this.options.strict) { + throw new Error('missing opening paren: "("'); + } + node.escaped = true; + return node; + } + + node.prefix = parent.prefix; + parent.nodes.push(node); + define(node, 'parent', parent); + }) + + /** + * Escape: "\\." + */ + + .capture('escape', function() { + var pos = this.position(); + var m = this.match(/^\\(.)/); + if (!m) return; + + return pos({ + type: 'escape', + val: m[0], + ch: m[1] + }); + }) + + /** + * Question marks: "?" + */ + + .capture('qmark', function() { + var parsed = this.parsed; + var pos = this.position(); + var m = this.match(/^\?+(?!\()/); + if (!m) return; + extglob.state.metachar = true; + return pos({ + type: 'qmark', + rest: this.input, + parsed: parsed, + val: m[0] + }); + }) + + /** + * Character parsers + */ + + .capture('star', /^\*(?!\()/) + .capture('plus', /^\+(?!\()/) + .capture('dot', /^\./) + .capture('text', not); +}; + +/** + * Expose text regex string + */ + +module.exports.TEXT_REGEX = TEXT_REGEX; + +/** + * Extglob parsers + */ + +module.exports = parsers; |