[aapt2] Parse --feature-flags parameter values
Bug: 297373084
Test: atest aapt2_tests
Change-Id: I7567aa8f41e6fde7334430446a940eb6b04c1446
diff --git a/tools/aapt2/cmd/Util.h b/tools/aapt2/cmd/Util.h
index 712c07b..9ece5dd 100644
--- a/tools/aapt2/cmd/Util.h
+++ b/tools/aapt2/cmd/Util.h
@@ -17,8 +17,13 @@
#ifndef AAPT_SPLIT_UTIL_H
#define AAPT_SPLIT_UTIL_H
+#include <functional>
+#include <map>
+#include <memory>
+#include <optional>
#include <regex>
#include <set>
+#include <string>
#include <unordered_set>
#include "AppInfo.h"
@@ -32,6 +37,8 @@
namespace aapt {
+using FeatureFlagValues = std::map<std::string, std::optional<bool>, std::less<>>;
+
// 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.
std::optional<uint16_t> ParseTargetDensityParameter(android::StringPiece arg,
@@ -48,6 +55,13 @@
std::unique_ptr<IConfigFilter> ParseConfigFilterParameters(const std::vector<std::string>& args,
android::IDiagnostics* diag);
+// Parses a feature flags parameter, which can contain one or more pairs of flag names and optional
+// values, and fills in `out_feature_flag_values` with the parsed values. The pairs in the argument
+// are separated by ',' and the name is separated from the value by '=' if there is a value given.
+// Example arg: "flag1=true,flag2=false,flag3=,flag4" where flag3 and flag4 have no given value.
+bool ParseFeatureFlagsParameter(android::StringPiece arg, android::IDiagnostics* diag,
+ FeatureFlagValues* out_feature_flag_values);
+
// 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.
