Create std::unique_ptr<ILanguagePack>instead of raw pointer

src/openrct2/localisation/LanguagePack.cpp

@@ -20,6 +20,7 @@
 #include "Localisation.h"
 
 #include <algorithm>
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -62,7 +63,7 @@ private:
     ScenarioOverride* _currentScenarioOverride = nullptr;
 
 public:
-    static LanguagePack* FromFile(uint16_t id, const utf8* path)
+    static std::unique_ptr<LanguagePack> FromFile(uint16_t id, const utf8* path)
     {
         Guard::ArgumentNotNull(path);
 
@@ -90,15 +91,15 @@ public:
         }
 
         // Parse the memory as text
-        LanguagePack* result = FromText(id, fileData);
+        auto result = FromText(id, fileData);
 
         Memory::Free(fileData);
         return result;
     }
 
-    static LanguagePack* FromText(uint16_t id, const utf8* text)
+    static std::unique_ptr<LanguagePack> FromText(uint16_t id, const utf8* text)
     {
-        return new LanguagePack(id, text);
+        return std::make_unique<LanguagePack>(id, text);
     }
 
     LanguagePack(uint16_t id, const utf8* text)
@@ -579,13 +580,13 @@ private:
 
 namespace LanguagePackFactory
 {
-    ILanguagePack* FromFile(uint16_t id, const utf8* path)
+    std::unique_ptr<ILanguagePack> FromFile(uint16_t id, const utf8* path)
     {
         auto languagePack = LanguagePack::FromFile(id, path);
         return languagePack;
     }
 
-    ILanguagePack* FromText(uint16_t id, const utf8* text)
+    std::unique_ptr<ILanguagePack> FromText(uint16_t id, const utf8* text)
     {
         auto languagePack = LanguagePack::FromText(id, text);
         return languagePack;

src/openrct2/localisation/LanguagePack.h

@@ -11,6 +11,7 @@
 
 #include "../common.h"
 
+#include <memory>
 #include <string>
 #include <string_view>
 
@@ -30,6 +31,6 @@ struct ILanguagePack
 
 namespace LanguagePackFactory
 {
-    ILanguagePack* FromFile(uint16_t id, const utf8* path);
-    ILanguagePack* FromText(uint16_t id, const utf8* text);
+    std::unique_ptr<ILanguagePack> FromFile(uint16_t id, const utf8* path);
+    std::unique_ptr<ILanguagePack> FromText(uint16_t id, const utf8* text);
 } // namespace LanguagePackFactory

src/openrct2/localisation/LocalisationService.cpp

@@ -86,12 +86,11 @@ void LocalisationService::OpenLanguage(int32_t id)
     if (id != LANGUAGE_ENGLISH_UK)
     {
         filename = GetLanguagePath(LANGUAGE_ENGLISH_UK);
-        _languageFallback = std::unique_ptr<ILanguagePack>(
-            LanguagePackFactory::FromFile(LANGUAGE_ENGLISH_UK, filename.c_str()));
+        _languageFallback = LanguagePackFactory::FromFile(LANGUAGE_ENGLISH_UK, filename.c_str());
     }
 
     filename = GetLanguagePath(id);
-    _languageCurrent = std::unique_ptr<ILanguagePack>(LanguagePackFactory::FromFile(id, filename.c_str()));
+    _languageCurrent = LanguagePackFactory::FromFile(id, filename.c_str());
     if (_languageCurrent != nullptr)
     {
         _currentLanguage = id;

test/tests/LanguagePackTest.cpp

@@ -23,27 +23,25 @@ protected:
 
 TEST_F(LanguagePackTest, create_empty)
 {
-    ILanguagePack* empty = LanguagePackFactory::FromText(0, "");
+    auto empty = LanguagePackFactory::FromText(0, "");
     ASSERT_EQ(empty->GetId(), 0);
     ASSERT_EQ(empty->GetCount(), 0U);
-    delete empty;
 }
 
 TEST_F(LanguagePackTest, create_mutable_id_1)
 {
-    ILanguagePack* lang = LanguagePackFactory::FromText(1, "STR_0000:\n");
+    auto lang = LanguagePackFactory::FromText(1, "STR_0000:\n");
     ASSERT_EQ(lang->GetId(), 1);
     ASSERT_EQ(lang->GetCount(), 1U);
     ASSERT_STREQ(lang->GetString(0), nullptr);
     lang->SetString(0, "xx");
     ASSERT_EQ(lang->GetCount(), 1U);
     ASSERT_STREQ(lang->GetString(0), "xx");
-    delete lang;
 }
 
 TEST_F(LanguagePackTest, language_pack_simple)
 {
-    ILanguagePack* lang = LanguagePackFactory::FromText(0, LanguageEnGB);
+    auto lang = LanguagePackFactory::FromText(0, LanguageEnGB);
     ASSERT_EQ(lang->GetId(), 0);
     ASSERT_EQ(lang->GetCount(), 4U);
     ASSERT_STREQ(lang->GetString(2), "Spiral Roller Coaster");
@@ -55,12 +53,11 @@ TEST_F(LanguagePackTest, language_pack_simple)
     ASSERT_EQ(lang->GetString(1000), nullptr);
     ASSERT_EQ(lang->GetScenarioOverrideStringId("No such park", 0), STR_NONE);
     ASSERT_EQ(lang->GetObjectOverrideStringId("        ", 0), STR_NONE);
-    delete lang;
 }
 
 TEST_F(LanguagePackTest, language_pack_multibyte)
 {
-    ILanguagePack* lang = LanguagePackFactory::FromText(0, (const utf8*)LanguageZhTW);
+    auto lang = LanguagePackFactory::FromText(0, (const utf8*)LanguageZhTW);
     ASSERT_EQ(lang->GetId(), 0);
     ASSERT_EQ(lang->GetCount(), 4U);
     ASSERT_STREQ(lang->GetString(2), u8"懸吊式雲霄飛車");
@@ -70,7 +67,6 @@ TEST_F(LanguagePackTest, language_pack_multibyte)
     ASSERT_STREQ(lang->GetString(0x7002), u8"在隱藏於森林深處的清空範圍中, 建造一個很受歡迎的樂園");
     ASSERT_EQ(lang->GetObjectOverrideStringId("CONDORRD", 0), 0x6000);
     ASSERT_STREQ(lang->GetString(0x6000), u8"神鷹暢遊");
-    delete lang;
 }
 
 const utf8* LanguagePackTest::LanguageEnGB = "# STR_XXXX part is read and XXXX becomes the string id number.\n"