initial commit

node_modules/css-tree/lib/syntax/node/Combinator.js

@@ -0,0 +1,56 @@
+var TYPE = require('../../tokenizer').TYPE;
+var CHARCODE = require('../../tokenizer').CHARCODE;
+
+var IDENT = TYPE.Ident;
+var PLUSSIGN = CHARCODE.PlusSign;
+var SOLIDUS = CHARCODE.Solidus;
+var GREATERTHANSIGN = CHARCODE.GreaterThanSign;
+var TILDE = CHARCODE.Tilde;
+
+// + | > | ~ | /deep/
+module.exports = {
+    name: 'Combinator',
+    structure: {
+        name: String
+    },
+    parse: function() {
+        var start = this.scanner.tokenStart;
+        var code = this.scanner.source.charCodeAt(this.scanner.tokenStart);
+
+        switch (code) {
+            case GREATERTHANSIGN:
+            case PLUSSIGN:
+            case TILDE:
+                this.scanner.next();
+                break;
+
+            case SOLIDUS:
+                this.scanner.next();
+
+                if (this.scanner.tokenType !== IDENT || this.scanner.lookupValue(0, 'deep') === false) {
+                    this.error('Identifier `deep` is expected');
+                }
+
+                this.scanner.next();
+
+                if (!this.scanner.isDelim(SOLIDUS)) {
+                    this.error('Solidus is expected');
+                }
+
+                this.scanner.next();
+                break;
+
+            default:
+                this.error('Combinator is expected');
+        }
+
+        return {
+            type: 'Combinator',
+            loc: this.getLocation(start, this.scanner.tokenStart),
+            name: this.scanner.substrToCursor(start)
+        };
+    },
+    generate: function(node) {
+        this.chunk(node.name);
+    }
+};