From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/expand-brackets/lib/parsers.js | 219 ++++++++++++++++++++++++++++ 1 file changed, 219 insertions(+) create mode 100644 node_modules/expand-brackets/lib/parsers.js (limited to 'node_modules/expand-brackets/lib/parsers.js') diff --git a/node_modules/expand-brackets/lib/parsers.js b/node_modules/expand-brackets/lib/parsers.js new file mode 100644 index 0000000..450a512 --- /dev/null +++ b/node_modules/expand-brackets/lib/parsers.js @@ -0,0 +1,219 @@ +'use strict'; + +var utils = require('./utils'); +var define = require('define-property'); + +/** + * Text regex + */ + +var TEXT_REGEX = '(\\[(?=.*\\])|\\])+'; +var not = utils.createRegex(TEXT_REGEX); + +/** + * Brackets parsers + */ + +function parsers(brackets) { + brackets.state = brackets.state || {}; + brackets.parser.sets.bracket = brackets.parser.sets.bracket || []; + brackets.parser + + .capture('escape', function() { + if (this.isInside('bracket')) return; + var pos = this.position(); + var m = this.match(/^\\(.)/); + if (!m) return; + + return pos({ + type: 'escape', + val: m[0] + }); + }) + + /** + * Text parser + */ + + .capture('text', function() { + if (this.isInside('bracket')) return; + var pos = this.position(); + var m = this.match(not); + if (!m || !m[0]) return; + + return pos({ + type: 'text', + val: m[0] + }); + }) + + /** + * POSIX character classes: "[[:alpha:][:digits:]]" + */ + + .capture('posix', function() { + var pos = this.position(); + var m = this.match(/^\[:(.*?):\](?=.*\])/); + if (!m) return; + + var inside = this.isInside('bracket'); + if (inside) { + brackets.posix++; + } + + return pos({ + type: 'posix', + insideBracket: inside, + inner: m[1], + val: m[0] + }); + }) + + /** + * Bracket (noop) + */ + + .capture('bracket', function() {}) + + /** + * Open: '[' + */ + + .capture('bracket.open', function() { + var parsed = this.parsed; + var pos = this.position(); + var m = this.match(/^\[(?=.*\])/); + if (!m) return; + + var prev = this.prev(); + var last = utils.last(prev.nodes); + + if (parsed.slice(-1) === '\\' && !this.isInside('bracket')) { + last.val = last.val.slice(0, last.val.length - 1); + return pos({ + type: 'escape', + val: m[0] + }); + } + + var open = pos({ + type: 'bracket.open', + val: m[0] + }); + + if (last.type === 'bracket.open' || this.isInside('bracket')) { + open.val = '\\' + open.val; + open.type = 'bracket.inner'; + open.escaped = true; + return open; + } + + var node = pos({ + type: 'bracket', + nodes: [open] + }); + + define(node, 'parent', prev); + define(open, 'parent', node); + this.push('bracket', node); + prev.nodes.push(node); + }) + + /** + * Bracket text + */ + + .capture('bracket.inner', function() { + if (!this.isInside('bracket')) return; + var pos = this.position(); + var m = this.match(not); + if (!m || !m[0]) return; + + var next = this.input.charAt(0); + var val = m[0]; + + var node = pos({ + type: 'bracket.inner', + val: val + }); + + if (val === '\\\\') { + return node; + } + + var first = val.charAt(0); + var last = val.slice(-1); + + if (first === '!') { + val = '^' + val.slice(1); + } + + if (last === '\\' || (val === '^' && next === ']')) { + val += this.input[0]; + this.consume(1); + } + + node.val = val; + return node; + }) + + /** + * Close: ']' + */ + + .capture('bracket.close', function() { + var parsed = this.parsed; + var pos = this.position(); + var m = this.match(/^\]/); + if (!m) return; + + var prev = this.prev(); + var last = utils.last(prev.nodes); + + if (parsed.slice(-1) === '\\' && !this.isInside('bracket')) { + last.val = last.val.slice(0, last.val.length - 1); + + return pos({ + type: 'escape', + val: m[0] + }); + } + + var node = pos({ + type: 'bracket.close', + rest: this.input, + val: m[0] + }); + + if (last.type === 'bracket.open') { + node.type = 'bracket.inner'; + node.escaped = true; + return node; + } + + var bracket = this.pop('bracket'); + if (!this.isType(bracket, 'bracket')) { + if (this.options.strict) { + throw new Error('missing opening "["'); + } + node.type = 'bracket.inner'; + node.escaped = true; + return node; + } + + bracket.nodes.push(node); + define(node, 'parent', bracket); + }); +} + +/** + * Brackets parsers + */ + +module.exports = parsers; + +/** + * Expose text regex + */ + +module.exports.TEXT_REGEX = TEXT_REGEX; -- cgit v1.2.3