AAPT2: Separate out the various steps

An early refactor. Some ideas became clearer as
development continued. Now the various phases are much
clearer and more easily reusable.

Also added a ton of tests!

Change-Id: Ic8f0a70c8222370352e63533b329c40457c0903e

1 files changed, 127 insertions, 0 deletions

diff --git a/tools/aapt2/ResourceUtils_test.cpp b/tools/aapt2/ResourceUtils_test.cpp
new file mode 100644
index 000000000000..7de8f4130316
--- /dev/null
+++ b/tools/aapt2/ResourceUtils_test.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Resource.h"
+#include "ResourceUtils.h"
+
+#include "test/Common.h"
+
+#include <gtest/gtest.h>
+
+namespace aapt {
+
+TEST(ResourceUtilsTest, ParseReferenceWithNoPackage) {
+    ResourceNameRef expected = { {}, ResourceType::kColor, u"foo" };
+    ResourceNameRef actual;
+    bool create = false;
+    bool privateRef = false;
+    EXPECT_TRUE(ResourceUtils::tryParseReference(u"@color/foo", &actual, &create, &privateRef));
+    EXPECT_EQ(expected, actual);
+    EXPECT_FALSE(create);
+    EXPECT_FALSE(privateRef);
+}
+
+TEST(ResourceUtilsTest, ParseReferenceWithPackage) {
+    ResourceNameRef expected = { u"android", ResourceType::kColor, u"foo" };
+    ResourceNameRef actual;
+    bool create = false;
+    bool privateRef = false;
+    EXPECT_TRUE(ResourceUtils::tryParseReference(u"@android:color/foo", &actual, &create,
+                                                 &privateRef));
+    EXPECT_EQ(expected, actual);
+    EXPECT_FALSE(create);
+    EXPECT_FALSE(privateRef);
+}
+
+TEST(ResourceUtilsTest, ParseReferenceWithSurroundingWhitespace) {
+    ResourceNameRef expected = { u"android", ResourceType::kColor, u"foo" };
+    ResourceNameRef actual;
+    bool create = false;
+    bool privateRef = false;
+    EXPECT_TRUE(ResourceUtils::tryParseReference(u"\t @android:color/foo\n \n\t", &actual,
+                                                 &create, &privateRef));
+    EXPECT_EQ(expected, actual);
+    EXPECT_FALSE(create);
+    EXPECT_FALSE(privateRef);
+}
+
+TEST(ResourceUtilsTest, ParseAutoCreateIdReference) {
+    ResourceNameRef expected = { u"android", ResourceType::kId, u"foo" };
+    ResourceNameRef actual;
+    bool create = false;
+    bool privateRef = false;
+    EXPECT_TRUE(ResourceUtils::tryParseReference(u"@+android:id/foo", &actual, &create,
+                                                 &privateRef));
+    EXPECT_EQ(expected, actual);
+    EXPECT_TRUE(create);
+    EXPECT_FALSE(privateRef);
+}
+
+TEST(ResourceUtilsTest, ParsePrivateReference) {
+    ResourceNameRef expected = { u"android", ResourceType::kId, u"foo" };
+    ResourceNameRef actual;
+    bool create = false;
+    bool privateRef = false;
+    EXPECT_TRUE(ResourceUtils::tryParseReference(u"@*android:id/foo", &actual, &create,
+                                                 &privateRef));
+    EXPECT_EQ(expected, actual);
+    EXPECT_FALSE(create);
+    EXPECT_TRUE(privateRef);
+}
+
+TEST(ResourceUtilsTest, FailToParseAutoCreateNonIdReference) {
+    bool create = false;
+    bool privateRef = false;
+    ResourceNameRef actual;
+    EXPECT_FALSE(ResourceUtils::tryParseReference(u"@+android:color/foo", &actual, &create,
+                                                  &privateRef));
+}
+
+TEST(ResourceUtilsTest, ParseStyleParentReference) {
+    const ResourceName kAndroidStyleFooName = { u"android", ResourceType::kStyle, u"foo" };
+    const ResourceName kStyleFooName = { {}, ResourceType::kStyle, u"foo" };
+
+    std::string errStr;
+    Maybe<Reference> ref = ResourceUtils::parseStyleParentReference(u"@android:style/foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kAndroidStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"@style/foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"?android:style/foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kAndroidStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"?style/foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"android:style/foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kAndroidStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"android:foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kAndroidStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kStyleFooName);
+}
+
+} // namespace aapt