func compile(infile, outfile string, typ C.int, comments C.int) error {
ctx := C.sass_new_file_context()
defer C.sass_free_file_context(ctx)
ctx.options.output_style = typ
ctx.options.source_comments = comments
ctx.input_path = C.CString(infile)
ret := C.sass_compile_file(ctx)
if ret != 0 || ctx.error_status != 0 {
return errors.New(C.GoString(ctx.error_message))
}
out, err := os.Create(outfile)
if err != nil {
return err
}
out.Write([]byte(C.GoString(ctx.output_string)))
out.Close()
return nil
}
func CompileFile(goCtx *FileContext) {
// set up the underlying C context struct
cCtx := C.sass_new_file_context()
cCtx.input_path = C.CString(goCtx.InputPath)
defer C.free(unsafe.Pointer(cCtx.input_path))
cCtx.options.output_style = C.int(goCtx.Options.OutputStyle)
if goCtx.Options.SourceComments {
cCtx.options.source_comments = C.int(1)
} else {
cCtx.options.source_comments = C.int(0)
}
cCtx.options.include_paths = C.CString(strings.Join(goCtx.Options.IncludePaths, ":"))
defer C.free(unsafe.Pointer(cCtx.options.include_paths))
cCtx.options.image_path = C.CString(goCtx.Options.ImagePath)
defer C.free(unsafe.Pointer(cCtx.options.image_path))
// call the underlying C compile function to populate the C context
C.sass_compile_file(cCtx)
// extract values from the C context to populate the Go context object
goCtx.OutputString = C.GoString(cCtx.output_string)
goCtx.ErrorStatus = int(cCtx.error_status)
goCtx.ErrorMessage = C.GoString(cCtx.error_message)
// don't forget to free the C context!
C.sass_free_file_context(cCtx)
}