v5

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;