mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2020-11-18 19:53:40 -08:00
101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
// Copyright 2014 Google Inc. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package driver
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import (
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"bufio"
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/google/pprof/internal/binutils"
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"github.com/google/pprof/internal/plugin"
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"github.com/google/pprof/internal/symbolizer"
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"github.com/google/pprof/internal/transport"
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)
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// setDefaults returns a new plugin.Options with zero fields sets to
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// sensible defaults.
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func setDefaults(o *plugin.Options) *plugin.Options {
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d := &plugin.Options{}
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if o != nil {
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*d = *o
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}
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if d.Writer == nil {
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d.Writer = oswriter{}
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}
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if d.Flagset == nil {
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d.Flagset = &GoFlags{}
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}
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if d.Obj == nil {
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d.Obj = &binutils.Binutils{}
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}
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if d.UI == nil {
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d.UI = &stdUI{r: bufio.NewReader(os.Stdin)}
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}
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if d.HTTPTransport == nil {
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d.HTTPTransport = transport.New(d.Flagset)
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}
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if d.Sym == nil {
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d.Sym = &symbolizer.Symbolizer{Obj: d.Obj, UI: d.UI, Transport: d.HTTPTransport}
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}
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return d
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}
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type stdUI struct {
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r *bufio.Reader
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}
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func (ui *stdUI) ReadLine(prompt string) (string, error) {
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os.Stdout.WriteString(prompt)
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return ui.r.ReadString('\n')
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}
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func (ui *stdUI) Print(args ...interface{}) {
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ui.fprint(os.Stderr, args)
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}
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func (ui *stdUI) PrintErr(args ...interface{}) {
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ui.fprint(os.Stderr, args)
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}
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func (ui *stdUI) IsTerminal() bool {
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return false
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}
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func (ui *stdUI) WantBrowser() bool {
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return true
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}
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func (ui *stdUI) SetAutoComplete(func(string) string) {
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}
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func (ui *stdUI) fprint(f *os.File, args []interface{}) {
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text := fmt.Sprint(args...)
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if !strings.HasSuffix(text, "\n") {
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text += "\n"
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}
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f.WriteString(text)
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}
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// oswriter implements the Writer interface using a regular file.
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type oswriter struct{}
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func (oswriter) Open(name string) (io.WriteCloser, error) {
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f, err := os.Create(name)
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return f, err
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}
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