Support extracting compiled code

src/cli/extract.cpp

@@ -76,6 +76,7 @@
 namespace fs = boost::filesystem;
 
 namespace {
+void create_output_directory(const extract_options & o);
 
 template <typename Entry>
 class processed_item {
@@ -614,6 +615,8 @@ bool print_file_info(const extract_options & o, const setup::info & info) {
 			verb = "Testing";
 		} else if(o.list) {
 			verb = "Listing";
+		} else if(o.extract_code) {
+			verb = "Extracting compiled code";
 		}
 		std::cout << verb << " \"" << color::green << name << color::reset
 		          << "\" - setup data version " << color::white << info.version << color::reset
@@ -627,7 +630,17 @@ bool print_file_info(const extract_options & o, const setup::info & info) {
 		std::cout << '\n';
 	}
 	#endif
-
+
+	if (o.extract_code) {
+		util::fstream stream;
+
+		create_output_directory(o);
+		stream.open(o.output_dir / "compiled_code.bin", std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
+
+		stream.write(info.header.compiled_code.data(), static_cast<std::streamsize>(info.header.compiled_code.size()));
+		stream.close();
+	}
+
 	bool multiple_sections = (o.list_languages + o.gog_game_id + o.list + o.show_password > 1);
 	if(!o.quiet && multiple_sections) {
 		std::cout << '\n';
@@ -1038,6 +1051,7 @@ void process_file(const fs::path & installer, const extract_options & o) {
 	if(o.extract) {
 		create_output_directory(o);
 	}
+
 
 	if(o.list || o.extract) {
 

src/cli/extract.hpp

@@ -63,6 +63,7 @@ struct extract_options {
 	bool list; //!< List files
 	bool test; //!< Test files (but don't extract)
 	bool extract; //!< Extract files
+	bool extract_code;
 	bool list_languages; //!< List available languages
 	bool gog_game_id; //!< Show the GOG.com game id
 	bool show_password; //!< Show password check information

src/cli/main.cpp

@@ -132,6 +132,7 @@ int main(int argc, char * argv[]) {
 	action.add_options()
 		("test,t", "Only verify checksums, don't write anything")
 		("extract,e", "Extract files (default action)")
+		("code", "Extract compiled code")
 		("list,l", "Only list files, don't write anything")
 		("list-sizes", "List file sizes")
 		("list-checksums", "List file checksums")
@@ -259,6 +260,7 @@ int main(int argc, char * argv[]) {
 	bool explicit_list = (options.count("list") != 0);
 	o.list = explicit_list || o.list_sizes || o.list_checksums;
 	o.extract = (options.count("extract") != 0);
+	o.extract_code = (options.count("code") != 0);
 	o.test = (options.count("test") != 0);
 	o.list_languages = (options.count("list-languages") != 0);
 	o.gog_game_id = (options.count("gog-game-id") != 0);
@@ -270,7 +272,7 @@ int main(int argc, char * argv[]) {
 		o.show_password = true;
 	}
 	bool explicit_action = o.list || o.test || o.extract || o.list_languages
-	                       || o.gog_game_id || o.show_password || o.check_password;
+	                       || o.gog_game_id || o.show_password || o.check_password || o.extract_code;
 	if(!explicit_action) {
 		o.extract = true;
 	}