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/*
* Copyright (C) 2018 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 AAPT2_LINK_H
#define AAPT2_LINK_H
#include <regex>
#include "Command.h"
#include "Resource.h"
#include "androidfw/IDiagnostics.h"
#include "format/binary/TableFlattener.h"
#include "format/proto/ProtoSerialize.h"
#include "link/ManifestFixer.h"
#include "split/TableSplitter.h"
#include "trace/TraceBuffer.h"
namespace aapt {
enum class OutputFormat {
kApk,
kProto,
};
struct LinkOptions {
std::string output_path;
std::string manifest_path;
std::vector<std::string> include_paths;
std::vector<std::string> overlay_files;
std::vector<std::string> assets_dirs;
bool output_to_directory = false;
bool auto_add_overlay = false;
bool override_styles_instead_of_overlaying = false;
OutputFormat output_format = OutputFormat::kApk;
std::optional<std::string> rename_resources_package;
// Java/Proguard options.
std::optional<std::string> generate_java_class_path;
std::optional<std::string> custom_java_package;
std::set<std::string> extra_java_packages;
std::optional<std::string> generate_text_symbols_path;
std::optional<std::string> generate_proguard_rules_path;
std::optional<std::string> generate_main_dex_proguard_rules_path;
bool generate_conditional_proguard_rules = false;
bool generate_minimal_proguard_rules = false;
bool generate_non_final_ids = false;
bool no_proguard_location_reference = false;
std::vector<std::string> javadoc_annotations;
std::optional<std::string> private_symbols;
// Optimizations/features.
bool no_auto_version = false;
bool no_version_vectors = false;
bool no_version_transitions = false;
bool no_resource_deduping = false;
bool no_resource_removal = false;
bool no_xml_namespaces = false;
bool do_not_compress_anything = false;
bool use_sparse_encoding = false;
std::unordered_set<std::string> extensions_to_not_compress;
std::optional<std::regex> regex_to_not_compress;
// Static lib options.
bool no_static_lib_packages = false;
bool merge_only = false;
// AndroidManifest.xml massaging options.
ManifestFixerOptions manifest_fixer_options;
// Products to use/filter on.
std::unordered_set<std::string> products;
// Flattening options.
TableFlattenerOptions table_flattener_options;
SerializeTableOptions proto_table_flattener_options;
bool keep_raw_values = false;
// Split APK options.
TableSplitterOptions table_splitter_options;
std::vector<SplitConstraints> split_constraints;
std::vector<std::string> split_paths;
// Configurations to exclude
std::vector<std::string> exclude_configs_;
// Stable ID options.
std::unordered_map<ResourceName, ResourceId> stable_id_map;
std::optional<std::string> resource_id_map_path;
// When 'true', allow reserved package IDs to be used for applications. Pre-O, the platform
// treats negative resource IDs [those with a package ID of 0x80 or higher] as invalid.
// In order to work around this limitation, we allow the use of traditionally reserved
// resource IDs [those between 0x02 and 0x7E].
bool allow_reserved_package_id = false;
// Whether we should fail on definitions of a resource with conflicting visibility.
bool strict_visibility = false;
};
class LinkCommand : public Command {
public:
explicit LinkCommand(android::IDiagnostics* diag) : Command("link", "l"), diag_(diag) {
SetDescription("Links resources into an apk.");
AddRequiredFlag("-o", "Output path.", &options_.output_path, Command::kPath);
AddRequiredFlag("--manifest", "Path to the Android manifest to build.",
&options_.manifest_path, Command::kPath);
AddOptionalFlagList("-I", "Adds an Android APK to link against.", &options_.include_paths,
Command::kPath);
AddOptionalFlagList("-A", "An assets directory to include in the APK. These are unprocessed.",
&options_.assets_dirs, Command::kPath);
AddOptionalFlagList("-R", "Compilation unit to link, using `overlay` semantics.\n"
"The last conflicting resource given takes precedence.", &overlay_arg_list_,
Command::kPath);
AddOptionalFlag("--package-id",
"Specify the package ID to use for this app. Must be greater or equal to\n"
"0x7f and can't be used with --static-lib or --shared-lib.", &package_id_);
AddOptionalFlag("--java", "Directory in which to generate R.java.",
&options_.generate_java_class_path, Command::kPath);
AddOptionalFlag("--proguard", "Output file for generated Proguard rules.",
&options_.generate_proguard_rules_path, Command::kPath);
AddOptionalFlag("--proguard-main-dex",
"Output file for generated Proguard rules for the main dex.",
&options_.generate_main_dex_proguard_rules_path, Command::kPath);
AddOptionalSwitch("--proguard-conditional-keep-rules",
"Generate conditional Proguard keep rules.",
&options_.generate_conditional_proguard_rules);
AddOptionalSwitch("--proguard-minimal-keep-rules",
"Generate a minimal set of Proguard keep rules.",
&options_.generate_minimal_proguard_rules);
AddOptionalSwitch("--no-auto-version", "Disables automatic style and layout SDK versioning.",
&options_.no_auto_version);
AddOptionalSwitch("--no-version-vectors",
"Disables automatic versioning of vector drawables. Use this only\n"
"when building with vector drawable support library.",
&options_.no_version_vectors);
AddOptionalSwitch("--no-version-transitions",
"Disables automatic versioning of transition resources. Use this only\n"
"when building with transition support library.",
&options_.no_version_transitions);
AddOptionalSwitch("--no-resource-deduping", "Disables automatic deduping of resources with\n"
"identical values across compatible configurations.",
&options_.no_resource_deduping);
AddOptionalSwitch("--no-resource-removal", "Disables automatic removal of resources without\n"
"defaults. Use this only when building runtime resource overlay packages.",
&options_.no_resource_removal);
AddOptionalSwitch("--enable-sparse-encoding",
"This decreases APK size at the cost of resource retrieval performance.",
&options_.use_sparse_encoding);
AddOptionalSwitch("--enable-compact-entries",
"This decreases APK size by using compact resource entries for simple data types.",
&options_.table_flattener_options.use_compact_entries);
AddOptionalSwitch("-x", "Legacy flag that specifies to use the package identifier 0x01.",
&legacy_x_flag_);
AddOptionalSwitch("-z", "Require localization of strings marked 'suggested'.",
&require_localization_);
AddOptionalFlagList("-c",
"Comma separated list of configurations to include. The default\n"
"is all configurations.", &configs_);
AddOptionalFlag("--preferred-density",
"Selects the closest matching density and strips out all others.",
&preferred_density_);
AddOptionalFlag("--product", "Comma separated list of product names to keep", &product_list_);
AddOptionalSwitch("--output-to-dir", "Outputs the APK contents to a directory specified by -o.",
&options_.output_to_directory);
AddOptionalSwitch("--no-xml-namespaces", "Removes XML namespace prefix and URI information\n"
"from AndroidManifest.xml and XML binaries in res/*.",
&options_.no_xml_namespaces);
AddOptionalFlag("--min-sdk-version",
"Default minimum SDK version to use for AndroidManifest.xml.",
&options_.manifest_fixer_options.min_sdk_version_default);
AddOptionalFlag("--target-sdk-version",
"Default target SDK version to use for AndroidManifest.xml.",
&options_.manifest_fixer_options.target_sdk_version_default);
AddOptionalFlag("--version-code",
"Version code (integer) to inject into the AndroidManifest.xml if none is\n"
"present.", &options_.manifest_fixer_options.version_code_default);
AddOptionalFlag("--version-code-major",
"Version code major (integer) to inject into the AndroidManifest.xml if none is\n"
"present.", &options_.manifest_fixer_options.version_code_major_default);
AddOptionalFlag("--version-name",
"Version name to inject into the AndroidManifest.xml if none is present.",
&options_.manifest_fixer_options.version_name_default);
AddOptionalFlag("--revision-code",
"Revision code (integer) to inject into the AndroidManifest.xml if none is\n"
"present.", &options_.manifest_fixer_options.revision_code_default);
AddOptionalSwitch("--replace-version",
"If --version-code, --version-name, and/or --revision-code are specified, these\n"
"values will replace any value already in the manifest. By\n"
"default, nothing is changed if the manifest already defines\n"
"these attributes.",
&options_.manifest_fixer_options.replace_version);
AddOptionalFlag("--compile-sdk-version-code",
"Version code (integer) to inject into the AndroidManifest.xml if none is\n"
"present.",
&options_.manifest_fixer_options.compile_sdk_version);
AddOptionalFlag("--compile-sdk-version-name",
"Version name to inject into the AndroidManifest.xml if none is present.",
&options_.manifest_fixer_options.compile_sdk_version_codename);
AddOptionalSwitch("--shared-lib", "Generates a shared Android runtime library.",
&shared_lib_);
AddOptionalSwitch("--static-lib", "Generate a static Android library.", &static_lib_);
AddOptionalSwitch("--proto-format",
"Generates compiled resources in Protobuf format.\n"
"Suitable as input to the bundle tool for generating an App Bundle.",
&proto_format_);
AddOptionalSwitch("--no-static-lib-packages",
"Merge all library resources under the app's package.",
&options_.no_static_lib_packages);
AddOptionalSwitch("--non-final-ids",
"Generates R.java without the final modifier. This is implied when\n"
"--static-lib is specified.",
&options_.generate_non_final_ids);
AddOptionalSwitch("--no-proguard-location-reference",
"Keep proguard rules files from having a reference to the source file",
&options_.no_proguard_location_reference);
AddOptionalFlag("--stable-ids", "File containing a list of name to ID mapping.",
&stable_id_file_path_);
AddOptionalFlag("--emit-ids",
"Emit a file at the given path with a list of name to ID mappings,\n"
"suitable for use with --stable-ids.",
&options_.resource_id_map_path);
AddOptionalFlag("--private-symbols",
"Package name to use when generating R.java for private symbols.\n"
"If not specified, public and private symbols will use the application's\n"
"package name.",
&options_.private_symbols);
AddOptionalFlag("--custom-package", "Custom Java package under which to generate R.java.",
&options_.custom_java_package);
AddOptionalFlagList("--extra-packages",
"Generate the same R.java but with different package names.",
&extra_java_packages_);
AddOptionalFlagList("--add-javadoc-annotation",
"Adds a JavaDoc annotation to all generated Java classes.",
&options_.javadoc_annotations);
AddOptionalFlag("--output-text-symbols",
"Generates a text file containing the resource symbols of the R class in\n"
"the specified folder.",
&options_.generate_text_symbols_path);
AddOptionalSwitch("--allow-reserved-package-id",
"Allows the use of a reserved package ID. This should on be used for\n"
"packages with a pre-O min-sdk\n",
&options_.allow_reserved_package_id);
AddOptionalSwitch("--auto-add-overlay",
"Allows the addition of new resources in overlays without\n"
"<add-resource> tags.",
&options_.auto_add_overlay);
AddOptionalSwitch("--override-styles-instead-of-overlaying",
"Causes styles defined in -R resources to replace previous definitions\n"
"instead of merging into them\n",
&options_.override_styles_instead_of_overlaying);
AddOptionalFlag("--rename-manifest-package", "Renames the package in AndroidManifest.xml.",
&options_.manifest_fixer_options.rename_manifest_package);
AddOptionalFlag("--rename-resources-package", "Renames the package in resources table",
&options_.rename_resources_package);
AddOptionalFlag("--rename-instrumentation-target-package",
"Changes the name of the target package for instrumentation. Most useful\n"
"when used in conjunction with --rename-manifest-package.",
&options_.manifest_fixer_options.rename_instrumentation_target_package);
AddOptionalFlag("--rename-overlay-target-package",
"Changes the name of the target package for overlay. Most useful\n"
"when used in conjunction with --rename-manifest-package.",
&options_.manifest_fixer_options.rename_overlay_target_package);
AddOptionalFlag("--rename-overlay-category", "Changes the category for the overlay.",
&options_.manifest_fixer_options.rename_overlay_category);
AddOptionalFlagList("-0", "File suffix not to compress.",
&options_.extensions_to_not_compress);
AddOptionalSwitch("--no-compress", "Do not compress any resources.",
&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 case-sensitive ECMAScript"
"regular expression grammar.",
&no_compress_regex);
AddOptionalSwitch("--warn-manifest-validation",
"Treat manifest validation errors as warnings.",
&options_.manifest_fixer_options.warn_validation);
AddOptionalFlagList("--split",
"Split resources matching a set of configs out to a Split APK.\n"
"Syntax: path/to/output.apk:<config>[,<config>[...]].\n"
"On Windows, use a semicolon ';' separator instead.",
&split_args_);
AddOptionalFlagList("--exclude-configs",
"Excludes values of resources whose configs contain the specified qualifiers.",
&options_.exclude_configs_);
AddOptionalSwitch("--debug-mode",
"Inserts android:debuggable=\"true\" in to the application node of the\n"
"manifest, making the application debuggable even on production devices.",
&options_.manifest_fixer_options.debug_mode);
AddOptionalSwitch("--strict-visibility",
"Do not allow overlays with different visibility levels.",
&options_.strict_visibility);
AddOptionalSwitch("--exclude-sources",
"Do not serialize source file information when generating resources in\n"
"Protobuf format.",
&options_.proto_table_flattener_options.exclude_sources);
AddOptionalFlag("--trace-folder",
"Generate systrace json trace fragment to specified folder.",
&trace_folder_);
AddOptionalSwitch("--merge-only",
"Only merge the resources, without verifying resource references. This flag\n"
"should only be used together with the --static-lib flag.",
&options_.merge_only);
AddOptionalSwitch("-v", "Enables verbose logging.", &verbose_);
}
int Action(const std::vector<std::string>& args) override;
private:
android::IDiagnostics* diag_;
LinkOptions options_;
std::vector<std::string> overlay_arg_list_;
std::vector<std::string> extra_java_packages_;
std::optional<std::string> package_id_;
std::vector<std::string> configs_;
std::optional<std::string> preferred_density_;
std::optional<std::string> product_list_;
std::optional<std::string> no_compress_regex;
bool legacy_x_flag_ = false;
bool require_localization_ = false;
bool verbose_ = false;
bool shared_lib_ = false;
bool static_lib_ = false;
bool proto_format_ = false;
std::optional<std::string> stable_id_file_path_;
std::vector<std::string> split_args_;
std::optional<std::string> trace_folder_;
};
}// namespace aapt
#endif //AAPT2_LINK_H