MVP for Bazel Support

.bazelrc

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+build --macos_minimum_os=13.0
+build --host_macos_minimum_os=13.0
+build --apple_platform_type=macos

.gitignore

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 compress # Ignore executable that gets compiled
+
+bazel-*

BUILD.bazel

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+objc_library(
+    name = "SSTSmallStrings",
+    srcs = [
+        "Source/SSTSmallStrings.m",
+    ],
+    hdrs = [
+        "Source/SSTSmallStrings.h",
+    ],
+    sdk_dylibs = [
+        "compression",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+cc_binary(
+    name = "compress",
+    visibility = ["//visibility:public"],
+    deps = [
+        ":compress_lib",
+    ],
+)
+
+objc_library(
+    name = "compress_lib",
+    srcs = [
+        "compress.m",
+    ],
+    sdk_dylibs = [
+        "compression",
+    ],
+)
+
+cc_binary(
+    name = "localize",
+    data = [
+        ":compress",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":localize_lib",
+    ],
+)
+
+objc_library(
+    name = "localize_lib",
+    srcs = [
+        "localize.m",
+    ],
+)

Example/Localization/BUILD

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+load("//:localize.bzl", "localize")
+
+localize(
+    name = "localize_test",
+    srcs = [
+        "en.lproj/Localizable.strings",
+        "es.lproj/Localizable.strings",
+    ],
+    target_name = "example_Source_app_Sources",
+    visibility = [
+        "//Example/Source:__pkg__",
+    ],
+)

Example/Localization/en.lproj/Localizable.strings

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+"string1" = "en_value1";
+"string2" = "en_value2";
+"string3" = "en_value3";

Example/Localization/es.lproj/Localizable.strings

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+"string1" = "es_value1";
+"string2" = "es_value2";
+"string3" = "es_value3";

Example/Source/App.h

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+#include <Foundation/Foundation.h>
+
+@interface App : NSObject
+
++ (NSString *)fetchLocalizationValueForKey:(NSString *)key;
+
+@end

Example/Source/App.m

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+#import "Example/Source/App.h"
+#import "Source/SSTSmallStrings.h"
+
+@implementation App
+
++ (NSString *)fetchLocalizationValueForKey:(NSString *)key {
+    return SSTStringForKeyWithBundleAndSubdirectoryAndTargetName(key, [NSBundle bundleForClass:[self class]], nil, @"example_Source_app_Sources");
+}
+
+@end

Example/Source/AppDelegate.h

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+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+@end

Example/Source/AppDelegate.m

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+#import "Example/Source/AppDelegate.h"
+#import "Source/SSTSmallStrings.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    return YES;
+}
+
+@end

Example/Source/AppTest.m

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+#import "Example/Source/App.h"
+#import <XCTest/XCTest.h>
+
+@interface AppTest : XCTestCase
+@end
+
+@implementation AppTest
+
+- (void)testLocalization {
+    XCTAssertTrue([@"en_value1" isEqual:[App fetchLocalizationValueForKey:@"string1"]]);
+    XCTAssertTrue([@"does_not_exist" isEqual:[App fetchLocalizationValueForKey:@"does_not_exist"]]);
+}
+
+@end

Example/Source/BUILD

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+load(
+    "@build_bazel_rules_apple//apple:ios.bzl",
+    "ios_application",
+    "ios_unit_test",
+)
+
+objc_library(
+    name = "Sources",
+    srcs = [
+        "App.m",
+        "AppDelegate.m",
+        "main.m",
+    ],
+    hdrs = [
+        "App.h",
+        "AppDelegate.h",
+    ],
+    data = [
+        "//Example/Localization:localize_test",
+    ],
+    deps = [
+        "//:SSTSmallStrings",
+    ],
+)
+
+objc_library(
+    name = "app_test_lib",
+    testonly = True,
+    srcs = [
+        "AppTest.m",
+    ],
+    deps = [
+        ":Sources",
+    ],
+)
+
+ios_unit_test(
+    name = "app_test",
+    minimum_os_version = "16.0",
+    deps = [
+        ":app_test_lib",
+    ],
+)
+
+ios_application(
+    name = "LocalizationExampleApp",
+    bundle_id = "com.example.localization-example",
+    families = [
+        "iphone",
+    ],
+    infoplists = [":Info.plist"],
+    minimum_os_version = "16.0",
+    deps = [":Sources"],
+)

Example/Source/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>en</string>
+    <key>CFBundleVersion</key>
+    <string>10000000</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0.0</string>
+    <key>CFBundleExecutable</key>
+    <string>$(EXECUTABLE_NAME)</string>
+    <key>CFBundleIdentifier</key>
+    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>$(PRODUCT_NAME)</string>
+    <key>CFBundlePackageType</key>
+    <string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+    <key>LSRequiresIPhoneOS</key>
+    <true/>
+    <key>UIRequiredDeviceCapabilities</key>
+    <array>
+        <string>armv7</string>
+    </array>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+        <string>UIInterfaceOrientationPortrait</string>
+        <string>UIInterfaceOrientationLandscapeLeft</string>
+        <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
+</dict>
+</plist>

Example/Source/Module/BUILD

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+load(
+    "@build_bazel_rules_apple//apple:ios.bzl",
+    "ios_unit_test",
+)
+
+objc_library(
+    name = "module",
+    srcs = ["Module.m"],
+    hdrs = ["Module.h"],
+    data = [
+        "//Example/Source/Module/Localization:localizations",
+    ],
+    deps = [
+        "//:SSTSmallStrings",
+    ],
+)
+
+objc_library(
+    name = "module_test_lib",
+    testonly = True,
+    srcs = ["ModuleTest.m"],
+    deps = [
+        ":module",
+    ],
+)
+
+ios_unit_test(
+    name = "module_test",
+    minimum_os_version = "16.0",
+    deps = [
+        ":module_test_lib",
+    ],
+)

Example/Source/Module/Localization/BUILD

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+load("//:localize.bzl", "localize")
+
+localize(
+    name = "localize_module_test",
+    srcs = [
+        "en.lproj/Localizable.strings",
+        "es.lproj/Localizable.strings",
+    ],
+    target_name = "example_Source_Module_module",
+    visibility = [
+        "//Example/Source/Module:__pkg__",
+    ],
+)
+
+filegroup(
+    name = "localizations",
+    srcs = [
+        "en.lproj/Localizable.stringsdict",
+        "es.lproj/Localizable.stringsdict",
+        ":localize_module_test",
+    ],
+    visibility = [
+        "//Example/Source/Module:__pkg__",
+    ],
+)

Example/Source/Module/Localization/en.lproj/Localizable.strings

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+"string1" = "en_module_value1";
+"string2" = "en_module_value2";

Example/Source/Module/Localization/en.lproj/Localizable.stringsdict

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>string1_stringdict</key>
+	<dict>
+		<key>NSStringLocalizedFormatKey</key>
+		<string>string1_stringdict_en %#@formattedValue@</string>
+		<key>formattedValue</key>
+		<dict>
+			<key>NSStringFormatSpecTypeKey</key>
+			<string>NSStringPluralRuleType</string>
+			<key>NSStringFormatValueTypeKey</key>
+			<string>zd</string>
+			<key>one</key>
+			<string>%1$zd thing</string>
+			<key>other</key>
+			<string>%1$zd things</string>
+		</dict>
+	</dict>
+</dict>
+</plist>

Example/Source/Module/Localization/es.lproj/Localizable.strings

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+"string1" = "es_module_value1";
+"string2" = "es_module_value2";

Example/Source/Module/Localization/es.lproj/Localizable.stringsdict

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>string1_stringdict</key>
+	<dict>
+		<key>NSStringLocalizedFormatKey</key>
+		<string>string1_stringdict_es %#@formattedValue@</string>
+		<key>formattedValue</key>
+		<dict>
+			<key>NSStringFormatSpecTypeKey</key>
+			<string>NSStringPluralRuleType</string>
+			<key>NSStringFormatValueTypeKey</key>
+			<string>zd</string>
+			<key>one</key>
+			<string>%1$zd thing</string>
+			<key>other</key>
+			<string>%1$zd things</string>
+		</dict>
+	</dict>
+</dict>
+</plist>

Example/Source/Module/Module.h

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+#include <Foundation/Foundation.h>
+
+@interface Module : NSObject
+
++ (NSString *)fetchLocalizationValueForKey:(NSString *)key;
+
+@end

Example/Source/Module/Module.m

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+#import "Example/Source/Module/Module.h"
+#import "Source/SSTSmallStrings.h"
+
+@implementation Module
+
++ (NSString *)fetchLocalizationValueForKey:(NSString *)key {
+    return SSTStringForKeyWithBundleAndSubdirectoryAndTargetName(key, [NSBundle bundleForClass:[self class]], nil, @"example_Source_Module_module");
+}
+
+@end

Example/Source/Module/ModuleTest.m

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+#import <XCTest/XCTest.h>
+#import "Example/Source/Module/Module.h"
+
+@interface ModuleTest : XCTestCase
+@end
+
+@implementation ModuleTest
+
+- (void)testLocalization {
+    XCTAssertTrue([@"en_module_value1" isEqual:[Module fetchLocalizationValueForKey:@"string1"]]);
+    XCTAssertTrue([@"does_not_exist" isEqual:[Module fetchLocalizationValueForKey:@"does_not_exist"]]);
+}
+
+@end

Example/Source/main.m

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+#import <UIKit/UIKit.h>
+
+#import "Example/Source/AppDelegate.h"
+
+int main(int argc, char *argv[]) {
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil,
+                             NSStringFromClass([AppDelegate class]));
+  }
+}

Source/SSTSmallStrings.h

@@ -1,3 +1,6 @@
 #import <Foundation/Foundation.h>
 
 NSString *SSTStringForKey(NSString *key);
+NSString *SSTStringForKeyWithBundle(NSString *key, NSBundle *bundle);
+NSString *SSTStringForKeyWithBundleAndSubdirectory(NSString *key, NSBundle *bundle, NSString *subdirectory);
+NSString *SSTStringForKeyWithBundleAndSubdirectoryAndTargetName(NSString *key, NSBundle *bundle, NSString *subdirectory, NSString *targetName);