Add support for buildtime selection of the JSON parser

CMakeLists.txt

@@ -34,6 +34,7 @@ option(LOTTIE_CACHE "Enable LOTTIE CACHE SUPPORT" ON)
 option(LOTTIE_TEST "Build LOTTIE AUTOTESTS" OFF)
 option(LOTTIE_CCACHE "Enable LOTTIE ccache SUPPORT" OFF)
 option(LOTTIE_ASAN "Compile with asan" OFF)
+option(LOTTIE_JSON "Use readonly JSON parser" OFF)
 
 set(LOTTIE_MODULE_PATH "${CMAKE_SHARED_LIBRARY_PREFIX}rlottie-image-loader${CMAKE_SHARED_LIBRARY_SUFFIX}"
     CACHE STRING "Absolute or relative path to dynamic loader plugin.")

cmake/config.h.in

@@ -17,3 +17,9 @@
 #ifdef LOTTIE_CACHE
 #define LOTTIE_CACHE_SUPPORT
 #endif
+
+#cmakedefine LOTTIE_JSON
+
+#ifdef LOTTIE_JSON
+#define LOTTIE_JSON_SUPPORT
+#endif

meson.build

@@ -54,6 +54,10 @@ if get_option('dumptree') == true
     config_h.set10('LOTTIE_DUMP_TREE_SUPPORT', true)
 endif
 
+if get_option('json') == true
+    config_h.set10('LOTTIE_JSON_SUPPORT', true)
+endif
+
 
 configure_file(
   output: 'config.h',

src/lottie/CMakeLists.txt

@@ -6,11 +6,23 @@ target_sources(rlottie
         "${CMAKE_CURRENT_LIST_DIR}/lottieloader.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/lottiemodel.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/lottieproxymodel.cpp"
-        "${CMAKE_CURRENT_LIST_DIR}/lottieparser.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/lottieanimation.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/lottiekeypath.cpp"
     )
 
+if (LOTTIE_JSON)
+target_sources(rlottie
+    PRIVATE
+        "${CMAKE_CURRENT_LIST_DIR}/lottieroparser.cpp"
+    )
+else ()
+target_sources(rlottie
+    PRIVATE
+        "${CMAKE_CURRENT_LIST_DIR}/lottieparser.cpp"
+    )
+endif()
+
+
 target_include_directories(rlottie
     PRIVATE
         "${CMAKE_CURRENT_LIST_DIR}"