first commit

build/node_modules/css-tree/lib/syntax/node/Value.js

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+var endsWith = require('../../tokenizer').endsWith;
+var TYPE = require('../../tokenizer').TYPE;
+
+var WHITESPACE = TYPE.WhiteSpace;
+var COMMENT = TYPE.Comment;
+var FUNCTION = TYPE.Function;
+var COLON = TYPE.Colon;
+var SEMICOLON = TYPE.Semicolon;
+var EXCLAMATIONMARK = TYPE.ExclamationMark;
+
+// 'progid:' ws* 'DXImageTransform.Microsoft.' ident ws* '(' .* ')'
+function checkProgid(scanner) {
+    var offset = 0;
+
+    for (var type; type = scanner.lookupType(offset); offset++) {
+        if (type !== WHITESPACE && type !== COMMENT) {
+            break;
+        }
+    }
+
+    if (scanner.lookupValue(offset, 'alpha(') ||
+        scanner.lookupValue(offset, 'chroma(') ||
+        scanner.lookupValue(offset, 'dropshadow(')) {
+        if (scanner.lookupType(offset) !== FUNCTION) {
+            return false;
+        }
+    } else {
+        if (scanner.lookupValue(offset, 'progid') === false ||
+            scanner.lookupType(offset + 1) !== COLON) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+module.exports = {
+    name: 'Value',
+    structure: {
+        children: [[]]
+    },
+    parse: function(property) {
+        // special parser for filter property since it can contains non-standart syntax for old IE
+        if (property !== null && endsWith(property, 'filter') && checkProgid(this.scanner)) {
+            this.scanner.skipSC();
+            return this.Raw(this.scanner.currentToken, EXCLAMATIONMARK, SEMICOLON, false, false);
+        }
+
+        var start = this.scanner.tokenStart;
+        var children = this.readSequence(this.scope.Value);
+
+        return {
+            type: 'Value',
+            loc: this.getLocation(start, this.scanner.tokenStart),
+            children: children
+        };
+    },
+    generate: function(processChunk, node) {
+        this.each(processChunk, node);
+    }
+};