go.mod: add github.com/google/flatbuffers

1 files changed, 50 insertions, 0 deletions

diff --git a/vendor/github.com/google/flatbuffers/go/lib.go b/vendor/github.com/google/flatbuffers/go/lib.go
new file mode 100644
index 000000000..a4e99de10
--- /dev/null
+++ b/vendor/github.com/google/flatbuffers/go/lib.go
@@ -0,0 +1,50 @@
+package flatbuffers
+
+// FlatBuffer is the interface that represents a flatbuffer.
+type FlatBuffer interface {
+	Table() Table
+	Init(buf []byte, i UOffsetT)
+}
+
+// GetRootAs is a generic helper to initialize a FlatBuffer with the provided buffer bytes and its data offset.
+func GetRootAs(buf []byte, offset UOffsetT, fb FlatBuffer) {
+	n := GetUOffsetT(buf[offset:])
+	fb.Init(buf, n+offset)
+}
+
+// GetSizePrefixedRootAs is a generic helper to initialize a FlatBuffer with the provided size-prefixed buffer
+// bytes and its data offset
+func GetSizePrefixedRootAs(buf []byte, offset UOffsetT, fb FlatBuffer) {
+	n := GetUOffsetT(buf[offset+sizePrefixLength:])
+	fb.Init(buf, n+offset+sizePrefixLength)
+}
+
+// GetSizePrefix reads the size from a size-prefixed flatbuffer
+func GetSizePrefix(buf []byte, offset UOffsetT) uint32 {
+	return GetUint32(buf[offset:])
+}
+
+// GetIndirectOffset retrives the relative offset in the provided buffer stored at `offset`.
+func GetIndirectOffset(buf []byte, offset UOffsetT) UOffsetT {
+	return offset + GetUOffsetT(buf[offset:])
+}
+
+// GetBufferIdentifier returns the file identifier as string
+func GetBufferIdentifier(buf []byte) string {
+	return string(buf[SizeUOffsetT:][:fileIdentifierLength])
+}
+
+// GetBufferIdentifier returns the file identifier as string for a size-prefixed buffer
+func GetSizePrefixedBufferIdentifier(buf []byte) string {
+	return string(buf[SizeUOffsetT+sizePrefixLength:][:fileIdentifierLength])
+}
+
+// BufferHasIdentifier checks if the identifier in a buffer has the expected value
+func BufferHasIdentifier(buf []byte, identifier string) bool {
+	return GetBufferIdentifier(buf) == identifier
+}
+
+// BufferHasIdentifier checks if the identifier in a buffer has the expected value for a size-prefixed buffer
+func SizePrefixedBufferHasIdentifier(buf []byte, identifier string) bool {
+	return GetSizePrefixedBufferIdentifier(buf) == identifier
+}