From d8a0944810d5ad51889e968889f8b7902574a8b1 Mon Sep 17 00:00:00 2001
From: TaurusXin <i@taurusxin.com>
Date: Sun, 24 Mar 2024 17:27:41 +0800
Subject: [PATCH] feat: add dynamic library build

---
 CMakeLists.txt         | 37 ++++++++++++++++++++++++++++++-------
 src/lib/libncmdump.cpp | 29 +++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+), 7 deletions(-)
 create mode 100644 src/lib/libncmdump.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3e7f652..e0038aa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,20 +15,33 @@ if(MSVC)
 endif()
 
 FILE(GLOB HEADERS ./src/include/*.h)
-FILE(GLOB COMMON_SOURCES ./src/*.cpp ./src/utils/*.cpp)
-FILE(GLOB WIN_SOURCES ./src/platform/win32_init.cpp)
-
+FILE(GLOB COMMON_SOURCES ./src/ncmcrypt.cpp ./src/utils/*.cpp)
+FILE(GLOB EXECUTABLE_SOURCES ./src/main.cpp)
+FILE(GLOB LIBRARY_SOURCES ./src/lib/libncmdump.cpp)
+FILE(GLOB WIN_EXEC_SOURCES ./src/platform/win32_init.cpp)
 
 if(WIN32)
-  set(SOURCES ${COMMON_SOURCES} ${WIN_SOURCES})
+  add_executable(ncmdump
+    ${HEADERS}
+    ${COMMON_SOURCES}
+    ${EXECUTABLE_SOURCES}
+    ${WIN_EXEC_SOURCES}
+  )
 else()
-  set(SOURCES ${COMMON_SOURCES})
+  add_executable(ncmdump
+    ${HEADERS}
+    ${COMMON_SOURCES}
+    ${EXECUTABLE_SOURCES}
+  )
 endif()
-add_executable(ncmdump
+
+add_library(libncmdump SHARED
   ${HEADERS}
-  ${SOURCES}
+  ${COMMON_SOURCES}
+  ${LIBRARY_SOURCES}
 )
 
+# executable target
 target_include_directories(ncmdump PRIVATE src/include)
 
 target_link_libraries(ncmdump tag)
@@ -37,9 +50,19 @@ target_include_directories(ncmdump PRIVATE taglib/taglib)
 target_include_directories(ncmdump PRIVATE taglib/taglib/toolkit)
 target_include_directories(ncmdump PRIVATE taglib/taglib/mpeg/id3v2)
 
+# library target
+target_include_directories(libncmdump PRIVATE src/include)
+
+target_link_libraries(libncmdump tag)
+target_include_directories(libncmdump PRIVATE taglib)
+target_include_directories(libncmdump PRIVATE taglib/taglib)
+target_include_directories(libncmdump PRIVATE taglib/taglib/toolkit)
+target_include_directories(libncmdump PRIVATE taglib/taglib/mpeg/id3v2)
+
 if(WIN32)
   if(CMAKE_COMPILER_IS_GNUCXX)
     target_link_options(ncmdump PRIVATE -static)
+    target_link_options(libncmdump PRIVATE -static)
   endif()
 endif()
 
diff --git a/src/lib/libncmdump.cpp b/src/lib/libncmdump.cpp
new file mode 100644
index 0000000..496cb8f
--- /dev/null
+++ b/src/lib/libncmdump.cpp
@@ -0,0 +1,29 @@
+#include "ncmcrypt.h"
+
+#define API __declspec(dllexport)
+
+extern "C" {
+	API NeteaseCrypt* CreateNeteaseCrypt(const char* path) {
+		return new NeteaseCrypt(std::string(path));
+	}
+
+	API int Dump(NeteaseCrypt* neteaseCrypt) {
+		try
+		{
+			neteaseCrypt->Dump();
+		}
+		catch (const std::invalid_argument& e)
+		{
+			return 1;
+		}
+		return 0;
+	}
+
+	API void FixMetadata(NeteaseCrypt* neteaseCrypt) {
+		neteaseCrypt->FixMetadata();
+	}
+
+	API void DestroyNeteaseCrypt(NeteaseCrypt* neteaseCrypt) {
+		delete neteaseCrypt;
+	}
+}
\ No newline at end of file