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Diffstat (limited to 'vendor/github.com/gogo/protobuf/proto/skip_gogo.go')
-rw-r--r--vendor/github.com/gogo/protobuf/proto/skip_gogo.go119
1 files changed, 119 insertions, 0 deletions
diff --git a/vendor/github.com/gogo/protobuf/proto/skip_gogo.go b/vendor/github.com/gogo/protobuf/proto/skip_gogo.go
new file mode 100644
index 0000000..5a5fd93
--- /dev/null
+++ b/vendor/github.com/gogo/protobuf/proto/skip_gogo.go
@@ -0,0 +1,119 @@
+// Protocol Buffers for Go with Gadgets
+//
+// Copyright (c) 2013, The GoGo Authors. All rights reserved.
+// http://github.com/gogo/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import (
+ "fmt"
+ "io"
+)
+
+func Skip(data []byte) (n int, err error) {
+ l := len(data)
+ index := 0
+ for index < l {
+ var wire uint64
+ for shift := uint(0); ; shift += 7 {
+ if index >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := data[index]
+ index++
+ wire |= (uint64(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ wireType := int(wire & 0x7)
+ switch wireType {
+ case 0:
+ for {
+ if index >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ index++
+ if data[index-1] < 0x80 {
+ break
+ }
+ }
+ return index, nil
+ case 1:
+ index += 8
+ return index, nil
+ case 2:
+ var length int
+ for shift := uint(0); ; shift += 7 {
+ if index >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := data[index]
+ index++
+ length |= (int(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ index += length
+ return index, nil
+ case 3:
+ for {
+ var innerWire uint64
+ var start int = index
+ for shift := uint(0); ; shift += 7 {
+ if index >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := data[index]
+ index++
+ innerWire |= (uint64(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ innerWireType := int(innerWire & 0x7)
+ if innerWireType == 4 {
+ break
+ }
+ next, err := Skip(data[start:])
+ if err != nil {
+ return 0, err
+ }
+ index = start + next
+ }
+ return index, nil
+ case 4:
+ return index, nil
+ case 5:
+ index += 4
+ return index, nil
+ default:
+ return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+ }
+ }
+ panic("unreachable")
+}