Add the c++ code part of bindings2/

sky/engine/bindings2/exception_messages.cc

Index: sky/engine/bindings2/exception_messages.cc
diff --git a/sky/engine/bindings2/exception_messages.cc b/sky/engine/bindings2/exception_messages.cc
new file mode 100644
index 0000000000000000000000000000000000000000..451a8fe73a3274cd9428f8221219dc0917dd8ea0
--- /dev/null
+++ b/sky/engine/bindings2/exception_messages.cc
@@ -0,0 +1,166 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "sky/engine/config.h"
+#include "sky/engine/bindings2/exception_messages.h"
+
+#include "sky/engine/platform/Decimal.h"
+#include "sky/engine/wtf/MathExtras.h"
+
+namespace blink {
+
+String ExceptionMessages::failedToConstruct(const char* type,
+                                            const String& detail) {
+  return "Failed to construct '" + String(type) +
+         (!detail.isEmpty() ? String("': " + detail) : String("'"));
+}
+
+String ExceptionMessages::failedToEnumerate(const char* type,
+                                            const String& detail) {
+  return "Failed to enumerate the properties of '" + String(type) +
+         (!detail.isEmpty() ? String("': " + detail) : String("'"));
+}
+
+String ExceptionMessages::failedToExecute(const char* method,
+                                          const char* type,
+                                          const String& detail) {
+  return "Failed to execute '" + String(method) + "' on '" + String(type) +
+         (!detail.isEmpty() ? String("': " + detail) : String("'"));
+}
+
+String ExceptionMessages::failedToGet(const char* property,
+                                      const char* type,
+                                      const String& detail) {
+  return "Failed to read the '" + String(property) + "' property from '" +
+         String(type) + "': " + detail;
+}
+
+String ExceptionMessages::failedToSet(const char* property,
+                                      const char* type,
+                                      const String& detail) {
+  return "Failed to set the '" + String(property) + "' property on '" +
+         String(type) + "': " + detail;
+}
+
+String ExceptionMessages::failedToDelete(const char* property,
+                                         const char* type,
+                                         const String& detail) {
+  return "Failed to delete the '" + String(property) + "' property from '" +
+         String(type) + "': " + detail;
+}
+
+String ExceptionMessages::failedToGetIndexed(const char* type,
+                                             const String& detail) {
+  return "Failed to read an indexed property from '" + String(type) + "': " +
+         detail;
+}
+
+String ExceptionMessages::failedToSetIndexed(const char* type,
+                                             const String& detail) {
+  return "Failed to set an indexed property on '" + String(type) + "': " +
+         detail;
+}
+
+String ExceptionMessages::failedToDeleteIndexed(const char* type,
+                                                const String& detail) {
+  return "Failed to delete an indexed property from '" + String(type) + "': " +
+         detail;
+}
+
+String ExceptionMessages::constructorNotCallableAsFunction(const char* type) {
+  return failedToConstruct(type,
+                           "Please use the 'new' operator, this DOM object "
+                           "constructor cannot be called as a function.");
+}
+
+String ExceptionMessages::incorrectPropertyType(const String& property,
+                                                const String& detail) {
+  return "The '" + property + "' property " + detail;
+}
+
+String ExceptionMessages::invalidArity(const char* expected,
+                                       unsigned provided) {
+  return "Valid arities are: " + String(expected) + ", but " +
+         String::number(provided) + " arguments provided.";
+}
+
+String ExceptionMessages::argumentNullOrIncorrectType(
+    int argumentIndex,
+    const String& expectedType) {
+  return "The " + ordinalNumber(argumentIndex) +
+         " argument provided is either null, or an invalid " + expectedType +
+         " object.";
+}
+
+String ExceptionMessages::notAnArrayTypeArgumentOrValue(int argumentIndex) {
+  String kind;
+  if (argumentIndex)  // method argument
+    kind = ordinalNumber(argumentIndex) + " argument";
+  else  // value, e.g. attribute setter
+    kind = "value provided";
+  return "The " + kind +
+         " is neither an array, nor does it have indexed properties.";
+}
+
+String ExceptionMessages::notASequenceTypeProperty(const String& propertyName) {
+  return "'" + propertyName +
+         "' property is neither an array, nor does it have indexed properties.";
+}
+
+String ExceptionMessages::notEnoughArguments(unsigned expected,
+                                             unsigned provided) {
+  return String::number(expected) + " argument" + (expected > 1 ? "s" : "") +
+         " required, but only " + String::number(provided) + " present.";
+}
+
+String ExceptionMessages::notAFiniteNumber(double value, const char* name) {
+  ASSERT(!std::isfinite(value));
+  return String::format("The %s is %s.", name,
+                        std::isinf(value) ? "infinite" : "not a number");
+}
+
+String ExceptionMessages::notAFiniteNumber(const Decimal& value,
+                                           const char* name) {
+  ASSERT(!value.isFinite());
+  return String::format("The %s is %s.", name,
+                        value.isInfinity() ? "infinite" : "not a number");
+}
+
+String ExceptionMessages::ordinalNumber(int number) {
+  String suffix("th");
+  switch (number % 10) {
+    case 1:
+      if (number % 100 != 11)
+        suffix = "st";
+      break;
+    case 2:
+      if (number % 100 != 12)
+        suffix = "nd";
+      break;
+    case 3:
+      if (number % 100 != 13)
+        suffix = "rd";
+      break;
+  }
+  return String::number(number) + suffix;
+}
+
+String ExceptionMessages::readOnly(const char* detail) {
+  DEFINE_STATIC_LOCAL(String, readOnly, ("This object is read-only."));
+  return detail
+             ? String::format("This object is read-only, because %s.", detail)
+             : readOnly;
+}
+
+template <>
+String ExceptionMessages::formatNumber<float>(float number) {
+  return formatPotentiallyNonFiniteNumber(number);
+}
+
+template <>
+String ExceptionMessages::formatNumber<double>(double number) {
+  return formatPotentiallyNonFiniteNumber(number);
+}
+
+}  // namespace blink