1 files changed, 64 insertions, 0 deletions
diff --git a/dom/svg/SVGNumberList.cpp b/dom/svg/SVGNumberList.cpp
new file mode 100644
index 0000000000..d41859d947
--- /dev/null
+++ b/dom/svg/SVGNumberList.cpp
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "SVGNumberList.h"
+
+#include "mozilla/ArrayUtils.h"
+#include "nsCharSeparatedTokenizer.h"
+#include "nsContentUtils.h"
+#include "nsString.h"
+#include "nsTextFormatter.h"
+#include "SVGContentUtils.h"
+
+namespace mozilla {
+
+nsresult SVGNumberList::CopyFrom(const SVGNumberList& rhs) {
+  if (!mNumbers.Assign(rhs.mNumbers, fallible)) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  return NS_OK;
+}
+
+void SVGNumberList::GetValueAsString(nsAString& aValue) const {
+  aValue.Truncate();
+  char16_t buf[24];
+  uint32_t last = mNumbers.Length() - 1;
+  for (uint32_t i = 0; i < mNumbers.Length(); ++i) {
+    // Would like to use aValue.AppendPrintf("%f", mNumbers[i]), but it's not
+    // possible to always avoid trailing zeros.
+    nsTextFormatter::snprintf(buf, ArrayLength(buf), u"%g",
+                              double(mNumbers[i]));
+    // We ignore OOM, since it's not useful for us to return an error.
+    aValue.Append(buf);
+    if (i != last) {
+      aValue.Append(' ');
+    }
+  }
+}
+
+nsresult SVGNumberList::SetValueFromString(const nsAString& aValue) {
+  SVGNumberList temp;
+
+  nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace,
+                                   nsTokenizerFlags::SeparatorOptional>
+      tokenizer(aValue, ',');
+
+  while (tokenizer.hasMoreTokens()) {
+    float num;
+    if (!SVGContentUtils::ParseNumber(tokenizer.nextToken(), num)) {
+      return NS_ERROR_DOM_SYNTAX_ERR;
+    }
+    if (!temp.AppendItem(num)) {
+      return NS_ERROR_OUT_OF_MEMORY;
+    }
+  }
+  if (tokenizer.separatorAfterCurrentToken()) {
+    return NS_ERROR_DOM_SYNTAX_ERR;  // trailing comma
+  }
+  return CopyFrom(temp);
+}
+
+}  // namespace mozilla