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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
}
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