draft: refactor project so it sits on top of a standalone app

zero.Web.UI/node_modules/node-sass/src/libsass/contrib/plugin.cpp

@@ -0,0 +1,60 @@
+#include <cstring>
+#include <iostream>
+#include <stdint.h>
+#include <sass.h>
+
+// gcc: g++ -shared plugin.cpp -o plugin.so -fPIC -Llib -lsass
+// mingw: g++ -shared plugin.cpp -o plugin.dll -Llib -lsass
+
+extern "C" const char* ADDCALL libsass_get_version() {
+  return libsass_version();
+}
+
+union Sass_Value* custom_function(const union Sass_Value* s_args, Sass_Function_Entry cb, struct Sass_Compiler* comp)
+{
+  // get context/option struct associated with this compiler
+  struct Sass_Context* ctx = sass_compiler_get_context(comp);
+  struct Sass_Options* opts = sass_compiler_get_options(comp);
+  // get the cookie from function descriptor
+  void* cookie = sass_function_get_cookie(cb);
+  // we actually abuse the void* to store an "int"
+  return sass_make_number((intptr_t)cookie, "px");
+}
+
+extern "C" Sass_Function_List ADDCALL libsass_load_functions()
+{
+  // allocate a custom function caller
+  Sass_Function_Entry c_func =
+    sass_make_function("foo()", custom_function, (void*)42);
+  // create list of all custom functions
+  Sass_Function_List fn_list = sass_make_function_list(1);
+  // put the only function in this plugin to the list
+  sass_function_set_list_entry(fn_list, 0, c_func);
+  // return the list
+  return fn_list;
+}
+
+Sass_Import_List custom_importer(const char* cur_path, Sass_Importer_Entry cb, struct Sass_Compiler* comp)
+{
+  // get the cookie from importer descriptor
+  void* cookie = sass_importer_get_cookie(cb);
+  // create a list to hold our import entries
+  Sass_Import_List incs = sass_make_import_list(1);
+  // create our only import entry (route path back)
+  incs[0] = sass_make_import_entry(cur_path, 0, 0);
+  // return imports
+  return incs;
+}
+
+extern "C" Sass_Importer_List ADDCALL libsass_load_importers()
+{
+  // allocate a custom function caller
+  Sass_Importer_Entry c_imp =
+    sass_make_importer(custom_importer, - 99, (void*)42);
+  // create list of all custom functions
+  Sass_Importer_List imp_list = sass_make_importer_list(1);
+  // put the only function in this plugin to the list
+  sass_importer_set_list_entry(imp_list, 0, c_imp);
+  // return the list
+  return imp_list;
+}