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author | Duco van Amstel <helcaraxan@gmail.com> | 2018-11-18 17:55:05 +0000 |
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committer | Wim <wim@42.be> | 2018-11-25 21:21:04 +0100 |
commit | 09875fe1603307080f3a4172985c5dca3bd9912d (patch) | |
tree | a23220772f6f6597d509ca71b2df3480a77b8076 /vendor/go.uber.org/zap/buffer | |
parent | f716b8fc0ff90f47b61e218ef34019b38bd70e0d (diff) | |
download | matterbridge-msglm-09875fe1603307080f3a4172985c5dca3bd9912d.tar.gz matterbridge-msglm-09875fe1603307080f3a4172985c5dca3bd9912d.tar.bz2 matterbridge-msglm-09875fe1603307080f3a4172985c5dca3bd9912d.zip |
Update direct dependencies where possible
Diffstat (limited to 'vendor/go.uber.org/zap/buffer')
-rw-r--r-- | vendor/go.uber.org/zap/buffer/buffer.go | 115 | ||||
-rw-r--r-- | vendor/go.uber.org/zap/buffer/pool.go | 49 |
2 files changed, 164 insertions, 0 deletions
diff --git a/vendor/go.uber.org/zap/buffer/buffer.go b/vendor/go.uber.org/zap/buffer/buffer.go new file mode 100644 index 00000000..7592e8c6 --- /dev/null +++ b/vendor/go.uber.org/zap/buffer/buffer.go @@ -0,0 +1,115 @@ +// Copyright (c) 2016 Uber Technologies, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +// Package buffer provides a thin wrapper around a byte slice. Unlike the +// standard library's bytes.Buffer, it supports a portion of the strconv +// package's zero-allocation formatters. +package buffer // import "go.uber.org/zap/buffer" + +import "strconv" + +const _size = 1024 // by default, create 1 KiB buffers + +// Buffer is a thin wrapper around a byte slice. It's intended to be pooled, so +// the only way to construct one is via a Pool. +type Buffer struct { + bs []byte + pool Pool +} + +// AppendByte writes a single byte to the Buffer. +func (b *Buffer) AppendByte(v byte) { + b.bs = append(b.bs, v) +} + +// AppendString writes a string to the Buffer. +func (b *Buffer) AppendString(s string) { + b.bs = append(b.bs, s...) +} + +// AppendInt appends an integer to the underlying buffer (assuming base 10). +func (b *Buffer) AppendInt(i int64) { + b.bs = strconv.AppendInt(b.bs, i, 10) +} + +// AppendUint appends an unsigned integer to the underlying buffer (assuming +// base 10). +func (b *Buffer) AppendUint(i uint64) { + b.bs = strconv.AppendUint(b.bs, i, 10) +} + +// AppendBool appends a bool to the underlying buffer. +func (b *Buffer) AppendBool(v bool) { + b.bs = strconv.AppendBool(b.bs, v) +} + +// AppendFloat appends a float to the underlying buffer. It doesn't quote NaN +// or +/- Inf. +func (b *Buffer) AppendFloat(f float64, bitSize int) { + b.bs = strconv.AppendFloat(b.bs, f, 'f', -1, bitSize) +} + +// Len returns the length of the underlying byte slice. +func (b *Buffer) Len() int { + return len(b.bs) +} + +// Cap returns the capacity of the underlying byte slice. +func (b *Buffer) Cap() int { + return cap(b.bs) +} + +// Bytes returns a mutable reference to the underlying byte slice. +func (b *Buffer) Bytes() []byte { + return b.bs +} + +// String returns a string copy of the underlying byte slice. +func (b *Buffer) String() string { + return string(b.bs) +} + +// Reset resets the underlying byte slice. Subsequent writes re-use the slice's +// backing array. +func (b *Buffer) Reset() { + b.bs = b.bs[:0] +} + +// Write implements io.Writer. +func (b *Buffer) Write(bs []byte) (int, error) { + b.bs = append(b.bs, bs...) + return len(bs), nil +} + +// TrimNewline trims any final "\n" byte from the end of the buffer. +func (b *Buffer) TrimNewline() { + if i := len(b.bs) - 1; i >= 0 { + if b.bs[i] == '\n' { + b.bs = b.bs[:i] + } + } +} + +// Free returns the Buffer to its Pool. +// +// Callers must not retain references to the Buffer after calling Free. +func (b *Buffer) Free() { + b.pool.put(b) +} diff --git a/vendor/go.uber.org/zap/buffer/pool.go b/vendor/go.uber.org/zap/buffer/pool.go new file mode 100644 index 00000000..8fb3e202 --- /dev/null +++ b/vendor/go.uber.org/zap/buffer/pool.go @@ -0,0 +1,49 @@ +// Copyright (c) 2016 Uber Technologies, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +package buffer + +import "sync" + +// A Pool is a type-safe wrapper around a sync.Pool. +type Pool struct { + p *sync.Pool +} + +// NewPool constructs a new Pool. +func NewPool() Pool { + return Pool{p: &sync.Pool{ + New: func() interface{} { + return &Buffer{bs: make([]byte, 0, _size)} + }, + }} +} + +// Get retrieves a Buffer from the pool, creating one if necessary. +func (p Pool) Get() *Buffer { + buf := p.p.Get().(*Buffer) + buf.Reset() + buf.pool = p + return buf +} + +func (p Pool) put(buf *Buffer) { + p.p.Put(buf) +} |