AAPT2: Share split functionality between link and optimize
Generating splits should be possible to do from the optimize command.
This means that a lot of infrastructure around split APKs can be
shared by both the optimize and link phase.
Bug: 35925830
Change-Id: Ia88b9e4bff300a56353b2f7a4a2547c8eb43a299
Test: manual
diff --git a/tools/aapt2/cmd/Util.h b/tools/aapt2/cmd/Util.h
new file mode 100644
index 0000000..fd9b39c
--- /dev/null
+++ b/tools/aapt2/cmd/Util.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#ifndef AAPT_SPLIT_UTIL_H
+#define AAPT_SPLIT_UTIL_H
+
+#include "androidfw/StringPiece.h"
+
+#include "AppInfo.h"
+#include "Diagnostics.h"
+#include "SdkConstants.h"
+#include "filter/ConfigFilter.h"
+#include "split/TableSplitter.h"
+#include "util/Maybe.h"
+#include "xml/XmlDom.h"
+
+namespace aapt {
+
+// Parses a configuration density (ex. hdpi, xxhdpi, 234dpi, anydpi, etc).
+// Returns Nothing and logs a human friendly error message if the string was not legal.
+Maybe<uint16_t> ParseTargetDensityParameter(const android::StringPiece& arg, IDiagnostics* diag);
+
+// Parses a string of the form 'path/to/output.apk:<config>[,<config>...]' and fills in
+// `out_path` with the path and `out_split` with the set of ConfigDescriptions.
+// Returns false and logs a human friendly error message if the string was not legal.
+bool ParseSplitParameter(const android::StringPiece& arg, IDiagnostics* diag, std::string* out_path,
+ SplitConstraints* out_split);
+
+// Parses a set of config filter strings of the form 'en,fr-rFR' and returns an IConfigFilter.
+// Returns nullptr and logs a human friendly error message if the string was not legal.
+std::unique_ptr<IConfigFilter> ParseConfigFilterParameters(const std::vector<std::string>& args,
+ IDiagnostics* diag);
+
+// Adjust the SplitConstraints so that their SDK version is stripped if it
+// is less than or equal to the min_sdk. Otherwise the resources that have had
+// their SDK version stripped due to min_sdk won't ever match.
+std::vector<SplitConstraints> AdjustSplitConstraintsForMinSdk(
+ int min_sdk, const std::vector<SplitConstraints>& split_constraints);
+
+// Generates a split AndroidManifest.xml given the split constraints and app info. The resulting
+// XmlResource does not need to be linked via XmlReferenceLinker.
+// This will never fail/return nullptr.
+std::unique_ptr<xml::XmlResource> GenerateSplitManifest(const AppInfo& app_info,
+ const SplitConstraints& constraints);
+
+// Extracts relevant info from the AndroidManifest.xml.
+Maybe<AppInfo> ExtractAppInfoFromBinaryManifest(xml::XmlResource* xml_res, IDiagnostics* diag);
+
+} // namespace aapt
+
+#endif /* AAPT_SPLIT_UTIL_H */
