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php-kilo
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Cleanup some unused code
timw4mail/php-kilo/pipeline/head This commit looks good Details

This commit is contained in:
Timothy Warren 2021-03-09 13:37:03 -05:00
parent 3b6cd21070
commit 5329378b93
5 changed files with 54 additions and 116 deletions
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76
src/Editor.php
View File

@ -65,8 +65,8 @@ class Editor {
private function __construct()
{
$this->statusMsgTime = time();
$this->cursor = Position::default();
$this->offset = Position::default();
$this->cursor = Position::new();
$this->offset = Position::new();
[$this->screenRows, $this->screenCols] = Terminal::getWindowSize();
@ -172,6 +172,13 @@ class Editor {
// ! Row Operations
// ------------------------------------------------------------------------
/**
* Cursor X to Render X
*
* @param Row $row
* @param int $cx
* @return int
*/
protected function rowCxToRx(Row $row, int $cx): int
{
$rx = 0;
@ -187,6 +194,13 @@ class Editor {
return $rx;
}
/**
* Render X to Cursor X
*
* @param Row $row
* @param int $rx
* @return int
*/
protected function rowRxToCx(Row $row, int $rx): int
{
$cur_rx = 0;
@ -773,68 +787,71 @@ class Editor {
protected function moveCursor(string $key): void
{
$row = $this->rows[$this->cursor->y];
$x = $this->cursor->x;
$y = $this->cursor->y;
$row = $this->rows[$y];
switch ($key)
{
case KeyType::ARROW_LEFT:
if ($this->cursor->x !== 0)
if ($x !== 0)
{
$this->cursor->x--;
$x--;
}
else if ($this->cursor->y > 0)
else if ($y > 0)
{
$this->cursor->y--;
$this->cursor->x = $this->rows[$this->cursor->y]->size;
// Beginning of a line, go to end of previous line
$y--;
$x = $this->rows[$y]->size - 1;
}
break;
case KeyType::ARROW_RIGHT:
if ($row && $this->cursor->x < $row->size)
if ($row && $x < $row->size)
{
$this->cursor->x++;
$x++;
}
else if ($row && $this->cursor->x === $row->size)
else if ($row && $x === $row->size)
{
$this->cursor->y++;
$this->cursor->x = 0;
$y++;
$x = 0;
}
break;
case KeyType::ARROW_UP:
if ($this->cursor->y !== 0)
if ($y !== 0)
{
$this->cursor->y--;
$y--;
}
break;
case KeyType::ARROW_DOWN:
if ($this->cursor->y < $this->numRows)
if ($y < $this->numRows)
{
$this->cursor->y++;
$y++;
}
break;
case KeyType::PAGE_UP:
$this->cursor->y = ($this->cursor->y > $this->screenRows)
? $this->cursor->y - $this->screenRows
$y = ($y > $this->screenRows)
? $y - $this->screenRows
: 0;
break;
case KeyType::PAGE_DOWN:
$this->cursor->y = ($this->cursor->y + $this->screenRows < $this->numRows)
? $this->cursor->y + $this->screenRows
$y = ($y + $this->screenRows < $this->numRows)
? $y + $this->screenRows
: $this->numRows;
break;
case KeyType::HOME_KEY:
$this->cursor->x = 0;
$x = 0;
break;
case KeyType::END_KEY:
if ($this->cursor->y < $this->numRows)
if ($y < $this->numRows)
{
$this->cursor->x = $this->rows[$this->cursor->y]->size - 1;
$x = $this->rows[$y]->size - 1;
}
break;
@ -842,10 +859,17 @@ class Editor {
// Do nothing
}
if ($this->cursor->x > $row->size)
if ($x > $row->size)
{
$this->cursor->x = $row->size;
$x = $row->size;
}
if ($y > $this->screenRows)
{
$y = $this->screenRows;
}
$this->cursor->x = $x;
$this->cursor->y = $y;
}
public function processKeypress(): ?string

56
src/Event.php
View File

@ -1,56 +0,0 @@
<?php declare(strict_types=1);
namespace Aviat\Kilo;
class Event {
use Traits\ConstList;
// ------------------------------------------------------------------------
// Valid Events
// ------------------------------------------------------------------------
public const INPUT_KEY = 'INPUT_KEY';
public const PAGE_CHANGE = 'PAGE_CHANGE';
public const MOVE_CURSOR = 'MOVE_CURSOR';
public const QUIT_ATTEMPT = 'QUIT_ATTEMPT';
// Mapping of events to handlers
private static array $subscribeMap = [];
public static function fire(string $eventName, mixed $value): void
{
static::validateEvent($eventName);
if (array_key_exists($eventName, static::$subscribeMap))
{
foreach (static::$subscribeMap[$eventName] as $fn)
{
$fn($value);
}
}
}
public static function on(string $eventName, callable $fn): void
{
static::validateEvent($eventName);
if ( ! array_key_exists($eventName, static::$subscribeMap))
{
static::$subscribeMap[$eventName] = [];
}
if ( ! in_array($fn, static::$subscribeMap[$eventName], TRUE))
{
static::$subscribeMap[$eventName][] = $fn;
}
}
private static function validateEvent(string $eventName): void
{
$validEvents = self::getConstList();
if ( ! array_key_exists($eventName, $validEvents))
{
throw new \InvalidArgumentException("Invalid event '{$eventName}'. Event const must exist in Aviat\\Kilo\\Event.");
}
}
}

7
src/Position.php
View File

@ -5,13 +5,8 @@ namespace Aviat\Kilo;
class Position {
private function __construct(public int $x, public int $y) {}
public static function new(int $x, int $y): self
public static function new(int $x = 0, int $y = 0): self
{
return new Position($x, $y);
}
public static function default(): self
{
return new Position(0, 0);
}
}

4
src/Row.php
View File

@ -36,7 +36,9 @@ class Row {
return $self;
}
private function __construct() {}
private function __construct() {
// Private in favor of ::new static function
}
public function __get(string $name): mixed
{

27
tests/EventTest.php
View File

@ -1,27 +0,0 @@
<?php declare(strict_types=1);
namespace Aviat\Kilo\Tests;
use Aviat\Kilo\Event;
use InvalidArgumentException;
use PHPUnit\Framework\TestCase;
class EventTest extends TestCase {
public function testRequiresValidEvent(): void
{
$this->expectException(InvalidArgumentException::class);
Event::on('badEventName', fn () => null);
$this->expectException(InvalidArgumentException::class);
Event::fire('badEventName', []);
}
public function testBindAndFire(): void
{
$fn = static function($value = false) {
static::assertTrue($value);
};
Event::on(Event::INPUT_KEY, $fn);
Event::fire(Event::INPUT_KEY, TRUE);
}
}