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Clean up key mapping with more constants

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This commit is contained in:
Timothy Warren 2020-01-27 15:11:20 -05:00
parent 24baca3cb8
commit 54bc83e1f9
5 changed files with 102 additions and 65 deletions
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7
src/ANSI.php
View File

@ -103,6 +103,13 @@ class ANSI {
return self::seq('%dT', $lines);
}
/**
* Simplify creating ansi escape codes
*
* @param string $pattern
* @param mixed ...$args
* @return string
*/
private static function seq(string $pattern, ...$args): string
{
return sprintf("\e[{$pattern}", ...$args);

126
src/Editor.php
View File

@ -2,11 +2,7 @@
namespace Aviat\Kilo;
use Aviat\Kilo\Enum\{
Color,
Key,
Highlight,
};
use Aviat\Kilo\Enum\{Color, KeyCode, KeyType, Highlight};
use Aviat\Kilo\Tokens\PHP;
/**
@ -92,40 +88,42 @@ class Editor {
{
$c = read_stdin();
// @TODO Make this more DRY
switch ($c)
$simpleMap = [
KeyCode::ARROW_DOWN => KeyType::ARROW_DOWN,
KeyCode::ARROW_LEFT => KeyType::ARROW_LEFT,
KeyCode::ARROW_RIGHT => KeyType::ARROW_RIGHT,
KeyCode::ARROW_UP => KeyType::ARROW_UP,
KeyCode::BACKSPACE => KeyType::BACKSPACE,
KeyCode::DEL_KEY => KeyType::DEL_KEY,
KeyCode::ENTER => KeyType::ENTER,
KeyCode::ESCAPE => KeyType::ESCAPE,
KeyCode::PAGE_DOWN => KeyType::PAGE_DOWN,
KeyCode::PAGE_UP => KeyType::PAGE_UP,
];
$multiMap = [
"\eOH" => KeyType::HOME_KEY,
"\e[1~" => KeyType::HOME_KEY,
"\e[7~" => KeyType::HOME_KEY,
ANSI::RESET_CURSOR => KeyType::HOME_KEY,
"\eOF" => KeyType::END_KEY,
"\e[4~" => KeyType::END_KEY,
"\e[8~" => KeyType::END_KEY,
"\e[F" => KeyType::END_KEY,
];
if (array_key_exists($c, $simpleMap))
{
case "\x7f": return Key::BACKSPACE;
case "\r": return Key::ENTER;
case "\e[A": return Key::ARROW_UP;
case "\e[B": return Key::ARROW_DOWN;
case "\e[C": return Key::ARROW_RIGHT;
case "\e[D": return Key::ARROW_LEFT;
case "\e[3~": return Key::DEL_KEY;
case "\e[5~": return Key::PAGE_UP;
case "\e[6~": return Key::PAGE_DOWN;
case "\eOH":
case "\e[1~":
case "\e[7~":
case ANSI::RESET_CURSOR:
return Key::HOME_KEY;
case "\eOF":
case "\e[4~":
case "\e[8~":
case "\e[F":
return Key::END_KEY;
case "\e":
return Key::ESCAPE;
default: return $c;
return $simpleMap[$c];
}
if (array_key_exists($c, $multiMap))
{
return $multiMap[$c];
}
return $c;
}
protected function selectSyntaxHighlight(): void
@ -435,11 +433,11 @@ class Editor {
return;
}
if ($key === Key::ARROW_RIGHT || $key === Key::ARROW_DOWN)
if ($key === KeyType::ARROW_RIGHT || $key === KeyType::ARROW_DOWN)
{
$direction = 1;
}
else if ($key === Key::ARROW_LEFT || $key === Key::ARROW_UP)
else if ($key === KeyType::ARROW_LEFT || $key === KeyType::ARROW_UP)
{
$direction = -1;
}
@ -730,7 +728,7 @@ class Editor {
protected function prompt(string $prompt, ?callable $callback = NULL): string
{
$buffer = '';
$modifiers = Key::getConstList();
$modifiers = KeyType::getConstList();
while (TRUE)
{
$this->setStatusMessage($prompt, $buffer);
@ -738,7 +736,7 @@ class Editor {
$c = $this->readKey();
if ($c === Key::ESCAPE)
if ($c === KeyType::ESCAPE)
{
$this->setStatusMessage('');
if ($callback !== NULL)
@ -748,7 +746,7 @@ class Editor {
return '';
}
if ($c === Key::ENTER && $buffer !== '')
if ($c === KeyType::ENTER && $buffer !== '')
{
$this->setStatusMessage('');
if ($callback !== NULL)
@ -758,7 +756,7 @@ class Editor {
return $buffer;
}
if ($c === Key::DEL_KEY || $c === Key::BACKSPACE || $c === chr(ctrl_key('h')))
if ($c === KeyType::DEL_KEY || $c === KeyType::BACKSPACE || $c === chr(ctrl_key('h')))
{
$buffer = substr($buffer, 0, -1);
}
@ -782,7 +780,7 @@ class Editor {
switch ($key)
{
case Key::ARROW_LEFT:
case KeyType::ARROW_LEFT:
if ($this->cursorX !== 0)
{
$this->cursorX--;
@ -794,7 +792,7 @@ class Editor {
}
break;
case Key::ARROW_RIGHT:
case KeyType::ARROW_RIGHT:
if ($row && $this->cursorX < $row->size)
{
$this->cursorX++;
@ -806,14 +804,14 @@ class Editor {
}
break;
case Key::ARROW_UP:
case KeyType::ARROW_UP:
if ($this->cursorY !== 0)
{
$this->cursorY--;
}
break;
case Key::ARROW_DOWN:
case KeyType::ARROW_DOWN:
if ($this->cursorY < $this->numRows)
{
$this->cursorY++;
@ -844,7 +842,7 @@ class Editor {
switch ($c)
{
case Key::ENTER:
case KeyType::ENTER:
$this->insertNewline();
break;
@ -865,11 +863,11 @@ class Editor {
$this->save();
break;
case Key::HOME_KEY:
case KeyType::HOME_KEY:
$this->cursorX = 0;
break;
case Key::END_KEY:
case KeyType::END_KEY:
if ($this->cursorY < $this->numRows)
{
$this->cursorX = $this->rows[$this->cursorY]->size - 1;
@ -880,30 +878,30 @@ class Editor {
$this->find();
break;
case Key::BACKSPACE:
case KeyType::BACKSPACE:
case chr(ctrl_key('h')):
case Key::DEL_KEY:
if ($c === Key::DEL_KEY)
case KeyType::DEL_KEY:
if ($c === KeyType::DEL_KEY)
{
$this->moveCursor(Key::ARROW_RIGHT);
$this->moveCursor(KeyType::ARROW_RIGHT);
}
$this->deleteChar();
break;
case Key::PAGE_UP:
case Key::PAGE_DOWN:
case KeyType::PAGE_UP:
case KeyType::PAGE_DOWN:
$this->pageUpOrDown($c);
break;
case Key::ARROW_UP:
case Key::ARROW_DOWN:
case Key::ARROW_LEFT:
case Key::ARROW_RIGHT:
case KeyType::ARROW_UP:
case KeyType::ARROW_DOWN:
case KeyType::ARROW_LEFT:
case KeyType::ARROW_RIGHT:
$this->moveCursor($c);
break;
case chr(ctrl_key('l')):
case Key::ESCAPE:
case KeyType::ESCAPE:
// Do nothing
break;
@ -919,11 +917,11 @@ class Editor {
private function pageUpOrDown(string $c): void
{
if ($c === Key::PAGE_UP)
if ($c === KeyType::PAGE_UP)
{
$this->cursorY = $this->rowOffset;
}
else if ($c === Key::PAGE_DOWN)
else if ($c === KeyType::PAGE_DOWN)
{
$this->cursorY = $this->rowOffset + $this->screenRows - 1;
if ($this->cursorY > $this->numRows)
@ -935,7 +933,7 @@ class Editor {
$times = $this->screenRows;
for (; $times > 0; $times--)
{
$this->moveCursor($c === Key::PAGE_UP ? Key::ARROW_UP : Key::ARROW_DOWN);
$this->moveCursor($c === KeyType::PAGE_UP ? KeyType::ARROW_UP : KeyType::ARROW_DOWN);
}
}

12
src/Enum/Event.php Normal file
View File

@ -0,0 +1,12 @@
<?php declare(strict_types=1);
namespace Aviat\Kilo\Enum;
use Aviat\Kilo\Traits;
class Event {
use Traits\ConstList;
public const INPUT_KEY = 'INPUT_KEY';
public const QUIT_ATTEMPT = 'QUIT_ATTEMPT';
}

20
src/Enum/KeyCode.php Normal file
View File

@ -0,0 +1,20 @@
<?php declare(strict_types=1);
namespace Aviat\Kilo\Enum;
use Aviat\Kilo\Traits;
class KeyCode {
use Traits\ConstList;
public const ARROW_DOWN = "\e[B";
public const ARROW_LEFT = "\e[D";
public const ARROW_RIGHT = "\e[C";
public const ARROW_UP = "\e[A";
public const BACKSPACE = "\x7f";
public const DEL_KEY = "\e[3~";
public const ENTER = "\r";
public const ESCAPE = "\e";
public const PAGE_DOWN = "\e[6~";
public const PAGE_UP = "\e[5~";
}

2
src/Enum/Key.php → src/Enum/KeyType.php
View File

@ -4,7 +4,7 @@ namespace Aviat\Kilo\Enum;
use Aviat\Kilo\Traits;
class Key {
class KeyType {
use Traits\ConstList;
public const ARROW_DOWN = 'ARROW_DOWN';