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rename function EsapeAnsiChar to ansiStripsSequences add some comment

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This commit is contained in:
Bawaaaaah 2014-07-24 11:10:37 +02:00
parent ad0fe09a7e
commit 3d581cedce
2 changed files with 13 additions and 10 deletions
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12
reader.go
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@ -5,12 +5,13 @@ import (
"fmt"
"io"
"os"
"regexp"
"regexp"
"sync"
"time"
)
var ansiEscape = regexp.MustCompile("\x1B\\[(?:[0-9]{1,2}(?:;[0-9]{1,2})?)?[m|K]");
// Global var used to strips ansi sequences
var ansiStrips = regexp.MustCompile("\x1B\\[(?:[0-9]{1,2}(?:;[0-9]{1,2})?)?[m|K]")
// BufferReader reads lines from the input, either Stdin or a file.
// If the incoming data is endless, it keeps reading and adding to
@ -65,7 +66,7 @@ func (b *BufferReader) Loop() {
}
if line != "" {
line = EscapeAnsiChar(line)
line = StripsAnsiSequences(line)
once.Do(func() { b.inputReadyCh <- struct{}{} })
m.Lock()
b.lines = append(b.lines, NewNoMatch(line, b.enableSep))
@ -100,6 +101,7 @@ func (b *BufferReader) Loop() {
}
}
func EscapeAnsiChar(s string) string {
return ansiEscape.ReplaceAllString(s, "")
// Function who strips ansi sequences
func StripsAnsiSequences(s string) string {
return ansiStrips.ReplaceAllString(s, "")
}

11
reader_test.go
View file

@ -2,20 +2,21 @@ package peco
import "testing"
func TestAsciiEscape(t *testing.T) {
test := EscapeAnsiChar("this is not a pipe")
// some little test to validate ansi strips function
func TestAnsiStrips(t *testing.T) {
test := StripsAnsiSequences("this is not a pipe")
if test != "this is not a pipe" {
t.Errorf("expected String = 'this is not a pipe', got '%s'", test)
}
test = EscapeAnsiChar(" [01;34helloWorld [0m")
test = StripsAnsiSequences(" [01;34helloWorld [0m")
if test != " [01;34helloWorld [0m" {
t.Errorf("expected String = ' [01;34mhelloWorld [0m', got '%s'", test)
}
test = EscapeAnsiChar("\x1b[01;34mthe answer to life is \x1b[0;42m42")
test = StripsAnsiSequences("\x1b[01;34mthe answer to life is \x1b[0;42m42")
if test != "the answer to life is 42" {
t.Errorf("expected String = 'the answer to life is 42' , got '%s'", test)
}
test = EscapeAnsiChar("x1b[01;34mthe answer to life is x1b[0;42m42")
test = StripsAnsiSequences("x1b[01;34mthe answer to life is x1b[0;42m42")
if test != "x1b[01;34mthe answer to life is x1b[0;42m42" {
t.Errorf("expected String = 'x1b[01;34mthe answer to life is x1b[0;42m42' , got '%s'", test)
}