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7ac3ffcc1b
fixes Use Survey For Interactions With User Add Vendor "github.com/AlecAivazis/survey/v2" Co-authored-by: Norwin Roosen <git@nroo.de> Co-authored-by: 6543 <6543@obermui.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/186 Reviewed-by: techknowlogick <techknowlogick@gitea.io> Reviewed-by: Norwin <noerw@noreply.gitea.io>
56 lines
951 B
Go
56 lines
951 B
Go
package colorable
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import (
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"bytes"
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"io"
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)
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// NonColorable holds writer but removes escape sequence.
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type NonColorable struct {
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out io.Writer
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}
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// NewNonColorable returns new instance of Writer which removes escape sequence from Writer.
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func NewNonColorable(w io.Writer) io.Writer {
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return &NonColorable{out: w}
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}
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// Write writes data on console
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func (w *NonColorable) Write(data []byte) (n int, err error) {
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er := bytes.NewReader(data)
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var bw [1]byte
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loop:
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for {
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c1, err := er.ReadByte()
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if err != nil {
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break loop
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}
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if c1 != 0x1b {
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bw[0] = c1
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w.out.Write(bw[:])
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continue
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}
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c2, err := er.ReadByte()
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if err != nil {
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break loop
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}
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if c2 != 0x5b {
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continue
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}
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var buf bytes.Buffer
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for {
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c, err := er.ReadByte()
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if err != nil {
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break loop
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}
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if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' {
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break
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}
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buf.Write([]byte(string(c)))
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}
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}
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return len(data), nil
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}
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