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Bugfixes in lineread, implemented command history

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This commit is contained in:
Chris
2016-11-02 22:11:35 +01:00
parent 427cac578a
commit 46806e3d62
4 changed files with 36 additions and 21 deletions
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30
lib/LineRead.php
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@ -15,6 +15,8 @@ class LineRead
protected $buffer = null;
protected $history = [];
protected $stashedBuffer = null;
protected $posHistory = 0;
@ -61,6 +63,11 @@ class LineRead
{
$prompt = $this->prompt;
$buffer = $this->buffer;
if ($this->posCursor > strlen($this->buffer)) {
$this->posCursor = strlen($this->buffer);
}
$cursor = strlen($this->prompt) + 1 + $this->posCursor - $this->posScroll;
$endStyle = "\e[0m";
@ -85,6 +92,10 @@ class LineRead
$returnBuffer = null;
while (strlen($keyBuffer)>0) {
if ($keyBuffer[0] == "\e") {
if (strlen($keyBuffer)==1) {
$keyBuffer = "";
return "\e";
}
if ($keyBuffer[1] == "[") {
$ctrlChar = substr($keyBuffer, 0,3);
$keyBuffer = substr($keyBuffer, 3);
@ -113,6 +124,7 @@ class LineRead
}
} elseif ($keyCode == 13) {
$returnBuffer = $this->buffer;
array_unshift($this->history, $this->buffer);
$this->buffer = null;
$this->posCursor = 0;
printf("\n\r");
@ -146,7 +158,25 @@ class LineRead
$this->redraw();
break;
case "\e[A": // up
if ($this->posHistory == 0) {
$this->stashedBuffer = $this->buffer;
}
if ($this->posHistory < count($this->history)) {
$this->posHistory++;
$this->buffer = $this->history[$this->posHistory-1];
$this->redraw();
}
break;
case "\e[B": // down
if ($this->posHistory > 1) {
$this->posHistory--;
$this->buffer = $this->history[$this->posHistory-1];
$this->redraw();
} elseif ($this->posHistory > 0) {
$this->posHistory--;
$this->buffer = $this->stashedBuffer;
$this->redraw();
}
break;
default:
fprintf(STDERR, "\n%s\n", substr($code,1));