mobile: initial wrappers for mobile support

1 files changed, 54 insertions, 0 deletions

diff --git a/mobile/primitives.go b/mobile/primitives.go
new file mode 100644
index 000000000..28f402d4f
--- /dev/null
+++ b/mobile/primitives.go
@@ -0,0 +1,54 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received s copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Contains various wrappers for primitive types.
+
+package geth
+
+import (
+	"errors"
+	"fmt"
+)
+
+// Strings represents s slice of strs.
+type Strings struct{ strs []string }
+
+// Size returns the number of strs in the slice.
+func (s *Strings) Size() int {
+	return len(s.strs)
+}
+
+// Get returns the string at the given index from the slice.
+func (s *Strings) Get(index int) (string, error) {
+	if index < 0 || index >= len(s.strs) {
+		return "", errors.New("index out of bounds")
+	}
+	return s.strs[index], nil
+}
+
+// Set sets the string at the given index in the slice.
+func (s *Strings) Set(index int, str string) error {
+	if index < 0 || index >= len(s.strs) {
+		return errors.New("index out of bounds")
+	}
+	s.strs[index] = str
+	return nil
+}
+
+// String implements the Stringer interface.
+func (s *Strings) String() string {
+	return fmt.Sprintf("%v", s.strs)
+}