AAPT2: allow regexes for extensions to not compress

Change-Id: I09d2ad1d1466643ca7628c6480224e16b9002ee5
Fixes: 67575899
Test: added + manual
diff --git a/tools/aapt2/cmd/Link.h b/tools/aapt2/cmd/Link.h
index 590a6bb..1fc149a 100644
--- a/tools/aapt2/cmd/Link.h
+++ b/tools/aapt2/cmd/Link.h
@@ -17,6 +17,8 @@
 #ifndef AAPT2_LINK_H
 #define AAPT2_LINK_H
 
+#include <regex>
+
 #include "Command.h"
 #include "Diagnostics.h"
 #include "Resource.h"
@@ -63,6 +65,7 @@
   bool no_xml_namespaces = false;
   bool do_not_compress_anything = false;
   std::unordered_set<std::string> extensions_to_not_compress;
+  Maybe<std::regex> regex_to_not_compress;
 
   // Static lib options.
   bool no_static_lib_packages = false;
@@ -250,6 +253,11 @@
         &options_.do_not_compress_anything);
     AddOptionalSwitch("--keep-raw-values", "Preserve raw attribute values in xml files.",
         &options_.keep_raw_values);
+    AddOptionalFlag("--no-compress-regex",
+        "Do not compress extensions matching the regular expression. Remember to\n"
+            " use the '$' symbol for end of line. Uses a non case-sensitive\n"
+            " ECMAScript regular expression grammar.",
+        &no_compress_regex);
     AddOptionalSwitch("--warn-manifest-validation",
         "Treat manifest validation errors as warnings.",
         &options_.manifest_fixer_options.warn_validation);
@@ -283,6 +291,7 @@
   std::vector<std::string> configs_;
   Maybe<std::string> preferred_density_;
   Maybe<std::string> product_list_;
+  Maybe<std::string> no_compress_regex;
   bool legacy_x_flag_ = false;
   bool require_localization_ = false;
   bool verbose_ = false;