From bea415417e87fbb403095e8cd3fb8512a1a97af8 Mon Sep 17 00:00:00 2001 From: Vadim Markovtsev Date: Fri, 10 Jun 2016 18:49:50 +0200 Subject: Add cshared files to allow building wrappers in other languages --- cshared/std_cshared.go | 143 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 cshared/std_cshared.go (limited to 'cshared/std_cshared.go') diff --git a/cshared/std_cshared.go b/cshared/std_cshared.go new file mode 100644 index 0000000..5df9a21 --- /dev/null +++ b/cshared/std_cshared.go @@ -0,0 +1,143 @@ +// +build ignore +package main + +import ( + "C" + "reflect" + "strings" +) + +//export c_std_map_get_str_str +func c_std_map_get_str_str(m uint64, key string) *C.char { + obj, ok := GetObject(Handle(m)) + if !ok { + return nil + } + mapval := reflect.ValueOf(obj) + if mapval.Kind() == reflect.Ptr { + mapval = mapval.Elem() + } + if mapval.Kind() != reflect.Map { + return nil + } + val := mapval.MapIndex(reflect.ValueOf(key)) + if !val.IsValid() || SafeIsNil(val) { + return nil + } + if (val.Kind() == reflect.Slice || val.Kind() == reflect.Array) && + val.Type().Elem().Kind() == reflect.Uint8 { + arr := make([]byte, val.Len(), val.Len()) + reflect.Copy(reflect.ValueOf(arr), val) + return C.CString(string(arr)) + } + return C.CString(val.String()) +} + +//export c_std_map_get_str_obj +func c_std_map_get_str_obj(m uint64, key string) uint64 { + obj, ok := GetObject(Handle(m)) + if !ok { + return IH + } + mapval := reflect.ValueOf(obj) + if mapval.Kind() == reflect.Ptr { + mapval = mapval.Elem() + } + if mapval.Kind() != reflect.Map { + return IH + } + val := mapval.MapIndex(reflect.ValueOf(key)) + if !val.IsValid() || SafeIsNil(val) { + return IH + } + val_handle := RegisterObject(val.Interface()) + return uint64(val_handle) +} + +//export c_std_map_get_obj_obj +func c_std_map_get_obj_obj(m uint64, key uint64) uint64 { + obj, ok := GetObject(Handle(m)) + if !ok { + return IH + } + mapval := reflect.ValueOf(obj) + if mapval.Kind() == reflect.Ptr { + mapval = mapval.Elem() + } + if mapval.Kind() != reflect.Map { + return IH + } + obj, ok = GetObject(Handle(key)) + if !ok { + return IH + } + val := mapval.MapIndex(reflect.ValueOf(obj)) + if !val.IsValid() || SafeIsNil(val) { + return IH + } + val_handle := RegisterObject(val.Interface()) + return uint64(val_handle) +} + +//export c_std_map_keys_str +func c_std_map_keys_str(m uint64) *C.char { + obj, ok := GetObject(Handle(m)) + if !ok { + return nil + } + mapval := reflect.ValueOf(obj) + if mapval.Kind() == reflect.Ptr { + mapval = mapval.Elem() + } + if mapval.Kind() != reflect.Map { + return nil + } + keys := mapval.MapKeys() + keys_str := make([]string, 0, len(keys)) + for _, k := range keys { + keys_str = append(keys_str, k.String()) + } + return C.CString(strings.Join(keys_str, "\xff")) +} + +//export c_std_map_len +func c_std_map_len(m uint64) int { + obj, ok := GetObject(Handle(m)) + if !ok { + return -1 + } + mapval := reflect.ValueOf(obj) + if mapval.Kind() == reflect.Ptr { + mapval = mapval.Elem() + } + if mapval.Kind() != reflect.Map { + return -1 + } + return mapval.Len() +} + +//export c_std_map_set_str +func c_std_map_set_str(m uint64, key string, val uint64) { + obj, ok := GetObject(Handle(m)) + if !ok { + return + } + mapval := reflect.ValueOf(obj) + if mapval.Kind() == reflect.Ptr { + mapval = mapval.Elem() + } else { + return + } + if mapval.Kind() != reflect.Map { + return + } + if val == IH { + mapval.SetMapIndex(reflect.ValueOf(key), reflect.Value{}) + } else { + obj, ok := GetObject(Handle(val)) + if !ok { + return + } + mapval.SetMapIndex(reflect.ValueOf(key), reflect.ValueOf(obj)) + } +} -- cgit