diff options
Diffstat (limited to 'chromium/third_party/flatbuffers/src/go/table.go')
| -rw-r--r-- | chromium/third_party/flatbuffers/src/go/table.go | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/chromium/third_party/flatbuffers/src/go/table.go b/chromium/third_party/flatbuffers/src/go/table.go new file mode 100644 index 00000000000..695b92da8f1 --- /dev/null +++ b/chromium/third_party/flatbuffers/src/go/table.go @@ -0,0 +1,294 @@ +package flatbuffers + +// Table wraps a byte slice and provides read access to its data. +// +// The variable `Pos` indicates the root of the FlatBuffers object therein. +type Table struct { + Bytes []byte + Pos UOffsetT // Always < 1<<31. +} + +// Offset provides access into the Table's vtable. +// +// Deprecated fields are ignored by checking against the vtable's length. +func (t *Table) Offset(vtableOffset VOffsetT) VOffsetT { + vtable := UOffsetT(SOffsetT(t.Pos) - t.GetSOffsetT(t.Pos)) + if vtableOffset < t.GetVOffsetT(vtable) { + return t.GetVOffsetT(vtable + UOffsetT(vtableOffset)) + } + return 0 +} + +// Indirect retrieves the relative offset stored at `offset`. +func (t *Table) Indirect(off UOffsetT) UOffsetT { + return off + GetUOffsetT(t.Bytes[off:]) +} + +// String gets a string from data stored inside the flatbuffer. +func (t *Table) String(off UOffsetT) string { + return string(t.ByteVector(off)) +} + +// ByteVector gets a byte slice from data stored inside the flatbuffer. +func (t *Table) ByteVector(off UOffsetT) []byte { + off += GetUOffsetT(t.Bytes[off:]) + start := off + UOffsetT(SizeUOffsetT) + length := GetUOffsetT(t.Bytes[off:]) + return t.Bytes[start : start+length] +} + +// VectorLen retrieves the length of the vector whose offset is stored at +// "off" in this object. +func (t *Table) VectorLen(off UOffsetT) int { + off += t.Pos + off += GetUOffsetT(t.Bytes[off:]) + return int(GetUOffsetT(t.Bytes[off:])) +} + +// Vector retrieves the start of data of the vector whose offset is stored +// at "off" in this object. +func (t *Table) Vector(off UOffsetT) UOffsetT { + off += t.Pos + x := off + GetUOffsetT(t.Bytes[off:]) + // data starts after metadata containing the vector length + x += UOffsetT(SizeUOffsetT) + return x +} + +// Union initializes any Table-derived type to point to the union at the given +// offset. +func (t *Table) Union(t2 *Table, off UOffsetT) { + off += t.Pos + t2.Pos = off + t.GetUOffsetT(off) + t2.Bytes = t.Bytes +} + +// GetBool retrieves a bool at the given offset. +func (t *Table) GetBool(off UOffsetT) bool { + return GetBool(t.Bytes[off:]) +} + +// GetByte retrieves a byte at the given offset. +func (t *Table) GetByte(off UOffsetT) byte { + return GetByte(t.Bytes[off:]) +} + +// GetUint8 retrieves a uint8 at the given offset. +func (t *Table) GetUint8(off UOffsetT) uint8 { + return GetUint8(t.Bytes[off:]) +} + +// GetUint16 retrieves a uint16 at the given offset. +func (t *Table) GetUint16(off UOffsetT) uint16 { + return GetUint16(t.Bytes[off:]) +} + +// GetUint32 retrieves a uint32 at the given offset. +func (t *Table) GetUint32(off UOffsetT) uint32 { + return GetUint32(t.Bytes[off:]) +} + +// GetUint64 retrieves a uint64 at the given offset. +func (t *Table) GetUint64(off UOffsetT) uint64 { + return GetUint64(t.Bytes[off:]) +} + +// GetInt8 retrieves a int8 at the given offset. +func (t *Table) GetInt8(off UOffsetT) int8 { + return GetInt8(t.Bytes[off:]) +} + +// GetInt16 retrieves a int16 at the given offset. +func (t *Table) GetInt16(off UOffsetT) int16 { + return GetInt16(t.Bytes[off:]) +} + +// GetInt32 retrieves a int32 at the given offset. +func (t *Table) GetInt32(off UOffsetT) int32 { + return GetInt32(t.Bytes[off:]) +} + +// GetInt64 retrieves a int64 at the given offset. +func (t *Table) GetInt64(off UOffsetT) int64 { + return GetInt64(t.Bytes[off:]) +} + +// GetFloat32 retrieves a float32 at the given offset. +func (t *Table) GetFloat32(off UOffsetT) float32 { + return GetFloat32(t.Bytes[off:]) +} + +// GetFloat64 retrieves a float64 at the given offset. +func (t *Table) GetFloat64(off UOffsetT) float64 { + return GetFloat64(t.Bytes[off:]) +} + +// GetUOffsetT retrieves a UOffsetT at the given offset. +func (t *Table) GetUOffsetT(off UOffsetT) UOffsetT { + return GetUOffsetT(t.Bytes[off:]) +} + +// GetVOffsetT retrieves a VOffsetT at the given offset. +func (t *Table) GetVOffsetT(off UOffsetT) VOffsetT { + return GetVOffsetT(t.Bytes[off:]) +} + +// GetSOffsetT retrieves a SOffsetT at the given offset. +func (t *Table) GetSOffsetT(off UOffsetT) SOffsetT { + return GetSOffsetT(t.Bytes[off:]) +} + +// GetBoolSlot retrieves the bool that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetBoolSlot(slot VOffsetT, d bool) bool { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetBool(t.Pos + UOffsetT(off)) +} + +// GetByteSlot retrieves the byte that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetByteSlot(slot VOffsetT, d byte) byte { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetByte(t.Pos + UOffsetT(off)) +} + +// GetInt8Slot retrieves the int8 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt8Slot(slot VOffsetT, d int8) int8 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt8(t.Pos + UOffsetT(off)) +} + +// GetUint8Slot retrieves the uint8 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint8Slot(slot VOffsetT, d uint8) uint8 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint8(t.Pos + UOffsetT(off)) +} + +// GetInt16Slot retrieves the int16 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt16Slot(slot VOffsetT, d int16) int16 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt16(t.Pos + UOffsetT(off)) +} + +// GetUint16Slot retrieves the uint16 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint16Slot(slot VOffsetT, d uint16) uint16 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint16(t.Pos + UOffsetT(off)) +} + +// GetInt32Slot retrieves the int32 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt32Slot(slot VOffsetT, d int32) int32 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt32(t.Pos + UOffsetT(off)) +} + +// GetUint32Slot retrieves the uint32 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint32Slot(slot VOffsetT, d uint32) uint32 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint32(t.Pos + UOffsetT(off)) +} + +// GetInt64Slot retrieves the int64 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetInt64Slot(slot VOffsetT, d int64) int64 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetInt64(t.Pos + UOffsetT(off)) +} + +// GetUint64Slot retrieves the uint64 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetUint64Slot(slot VOffsetT, d uint64) uint64 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetUint64(t.Pos + UOffsetT(off)) +} + +// GetFloat32Slot retrieves the float32 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetFloat32Slot(slot VOffsetT, d float32) float32 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetFloat32(t.Pos + UOffsetT(off)) +} + +// GetFloat64Slot retrieves the float64 that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetFloat64Slot(slot VOffsetT, d float64) float64 { + off := t.Offset(slot) + if off == 0 { + return d + } + + return t.GetFloat64(t.Pos + UOffsetT(off)) +} + +// GetVOffsetTSlot retrieves the VOffsetT that the given vtable location +// points to. If the vtable value is zero, the default value `d` +// will be returned. +func (t *Table) GetVOffsetTSlot(slot VOffsetT, d VOffsetT) VOffsetT { + off := t.Offset(slot) + if off == 0 { + return d + } + return VOffsetT(off) +} |