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65 lines
1.8 KiB
65 lines
1.8 KiB
/*
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Copyright 2017 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bytes2
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// Buffer implements a subset of the write portion of
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// bytes.Buffer, but more efficiently. This is meant to
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// be used in very high QPS operations, especially for
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// WriteByte, and without abstracting it as a Writer.
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// Function signatures contain errors for compatibility,
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// but they do not return errors.
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type Buffer struct {
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bytes []byte
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}
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// NewBuffer is equivalent to bytes.NewBuffer.
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func NewBuffer(b []byte) *Buffer {
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return &Buffer{bytes: b}
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}
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// Write is equivalent to bytes.Buffer.Write.
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func (buf *Buffer) Write(b []byte) (int, error) {
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buf.bytes = append(buf.bytes, b...)
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return len(b), nil
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}
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// WriteString is equivalent to bytes.Buffer.WriteString.
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func (buf *Buffer) WriteString(s string) (int, error) {
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buf.bytes = append(buf.bytes, s...)
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return len(s), nil
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}
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// WriteByte is equivalent to bytes.Buffer.WriteByte.
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func (buf *Buffer) WriteByte(b byte) error {
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buf.bytes = append(buf.bytes, b)
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return nil
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}
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// Bytes is equivalent to bytes.Buffer.Bytes.
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func (buf *Buffer) Bytes() []byte {
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return buf.bytes
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}
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// Strings is equivalent to bytes.Buffer.Strings.
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func (buf *Buffer) String() string {
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return string(buf.bytes)
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}
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// Len is equivalent to bytes.Buffer.Len.
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func (buf *Buffer) Len() int {
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return len(buf.bytes)
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}
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