timw4mail/php-kilo
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Make functions all snake case, move ffi to only functions.php

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This commit is contained in:
Timothy Warren 2019-10-24 10:58:38 -04:00
parent 23c88b7dad
commit 29026373b8
3 changed files with 110 additions and 99 deletions
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6
kilo
View File

@ -9,11 +9,9 @@ require_once __DIR__ . '/src/Editor.php';
function main(int $argc, array $argv): int
{
global $ffi;
enable_raw_mode();
enableRawMode();
$editor = Editor::new($ffi);
$editor = Editor::new();
if ($argc >= 2)
{

68
src/Editor.php
View File

@ -2,7 +2,6 @@
namespace Kilo;
use FFI;
use ReflectionClass;
trait MagicProperties {
@ -45,15 +44,19 @@ class Key {
class Highlight {
public const NORMAL = 0;
public const NUMBER = 1;
public const MATCH = 2;
}
function syntaxToColor(int $hl): int
function syntax_to_color(int $hl): int
{
switch ($hl)
{
case Highlight::NUMBER:
return 31; // Foreground Red
case Highlight::MATCH:
return 34; // Foreground Blue
default:
return 37; // Foreground White
}
@ -134,7 +137,7 @@ class Row {
for ($i = 0; $i < $this->rsize; $i++)
{
if (isdigit($this->render[$i]))
if (is_digit($this->render[$i]))
{
$this->hl[$i] = Highlight::NUMBER;
}
@ -148,7 +151,6 @@ class Row {
class Editor {
use MagicProperties;
private FFI $ffi;
private string $ab = '';
protected int $cursorX = 0;
@ -169,20 +171,16 @@ class Editor {
protected string $statusMsg = '';
protected int $statusMsgTime;
public static function new(FFI $ffi): Editor
public static function new(): Editor
{
return new self($ffi);
return new self();
}
private function __construct($ffi)
private function __construct()
{
$this->ffi = $ffi;
$this->statusMsgTime = time();
if ( ! $this->getWindowSize())
{
die('Failed to get screen size');
}
[$this->screenRows, $this->screenCols] = get_window_size();
$this->screenRows -= 2;
@ -242,48 +240,6 @@ class Editor {
}
}
/**
* @TODO fix
*/
private function getCursorPosition(): bool
{
write_stdout("\x1b[999C\x1b[999B");
write_stdout("\x1b[6n");
$rows = 0;
$cols = 0;
$buffer = read_stdout();
$res = sscanf($buffer, '\x1b[%d;%dR', $rows, $cols);
if ($res === -1 || $buffer[0] !== '\x1b' || $buffer[1] !== '[')
{
die('Failed to get screen size');
}
$this->screenRows = $rows;
$this->screenCols = $cols;
return TRUE;
}
private function getWindowSize(): bool
{
$ws = $this->ffi->new('struct winsize');
$res = $this->ffi->ioctl(STDOUT_FILENO, TIOCGWINSZ, FFI::addr($ws));
if ($res === -1 || $ws->ws_col === 0)
{
return $this->getCursorPosition();
}
$this->screenCols = $ws->ws_col;
$this->screenRows = $ws->ws_row;
return true;
}
// ------------------------------------------------------------------------
// ! Row Operations
// ------------------------------------------------------------------------
@ -709,7 +665,7 @@ class Editor {
}
else
{
$color = syntaxToColor($hl[$i]);
$color = syntax_to_color($hl[$i]);
if ($color !== $currentColor)
{
$currentColor = $color;
@ -844,7 +800,7 @@ class Editor {
{
$buffer = substr($buffer, 0, -1);
}
else if (isascii($c) && ( ! iscntrl($c)) && ! in_array($c, $modifiers, TRUE))
else if (is_ascii($c) && ( ! is_cntrl($c)) && ! in_array($c, $modifiers, TRUE))
{
$buffer .= $c;
}

135
src/functions.php
View File

@ -7,12 +7,16 @@ use FFI;
$ffi = FFI::load(__DIR__ . '/ffi.h');
$original_termios = $ffi->new('struct termios');
function enableRawMode(): void
// ----------------------------------------------------------------------------
// ! Raw mode / Terminal size
// ----------------------------------------------------------------------------
function enable_raw_mode(): void
{
global $ffi;
global $original_termios;
register_shutdown_function('Kilo\\disableRawMode');
register_shutdown_function('Kilo\disable_raw_mode');
// Populate the original terminal settings
$res = $ffi->tcgetattr(STDIN_FILENO, FFI::addr($original_termios));
@ -38,7 +42,7 @@ function enableRawMode(): void
}
}
function disableRawMode(): void
function disable_raw_mode(): void
{
global $ffi;
global $original_termios;
@ -53,6 +57,95 @@ function disableRawMode(): void
}
}
/**
* @TODO fix
*/
function get_cursor_position()
{
write_stdout("\x1b[999C\x1b[999B");
write_stdout("\x1b[6n");
$rows = 0;
$cols = 0;
$buffer = read_stdout();
$res = sscanf($buffer, '\x1b[%d;%dR', $rows, $cols);
if ($res === -1 || $buffer[0] !== '\x1b' || $buffer[1] !== '[')
{
die('Failed to get screen size');
}
return [$rows, $cols];
}
function get_window_size()
{
global $ffi;
$ws = $ffi->new('struct winsize');
$res = $ffi->ioctl(STDOUT_FILENO, TIOCGWINSZ, FFI::addr($ws));
if ($res === -1 || $ws->ws_col === 0)
{
return get_cursor_position();
}
return [$ws->ws_row, $ws->ws_col];
}
// ----------------------------------------------------------------------------
// ! C function/macro equivalents
// ----------------------------------------------------------------------------
/**
* Do bit twiddling to convert a letter into
* its Ctrl-letter equivalent ordinal ascii value
*
* @param string $char
* @return int
*/
function ctrl_key(string $char): int
{
if ( ! is_ascii($char))
{
return -1;
}
// b1,100,001 (a) & b0,011,111 = b0,000,001
// b1,100,010 (b) & b0,011,111 = b0,000,010
return ord($char) & 0x1f;
}
function is_ascii(string $single_char): bool
{
if (strlen($single_char) > 1)
{
return FALSE;
}
return ord($single_char) < 0x80;
}
function is_cntrl(string $char): bool
{
$c = ord($char);
return is_ascii($char) && ( $c < 0x20 || $c === 0x7f );
}
function is_digit(string $char): bool
{
$c = ord($char);
return is_ascii($char) && ( $c > 0x2f && $c < 0x3a );
}
// ----------------------------------------------------------------------------
// ! Helper functions
// ----------------------------------------------------------------------------
function read_stdin(int $len = 128): string
{
$handle = fopen('php://stdin', 'rb');
@ -84,39 +177,3 @@ function read_stdout(int $len = 128): string
return $input;
}
/**
* Do bit twiddling to convert a letter into
* its Ctrl-letter equivalent
*
* @param string $char
* @return int
*/
function ctrl_key(string $char): int
{
// b1,100,001 (a) & b0,011,111 = b0,000,001
// b1,100,010 (b) & b0,011,111 = b0,000,010
return ord($char) & 0x1f;
}
function isascii(string $single_char): bool
{
if (strlen($single_char) > 1)
{
return FALSE;
}
return ord($single_char) < 0x80;
}
function iscntrl(string $char): bool
{
$c = ord($char);
return isascii($char) && ( $c < 0x20 || $c === 0x7f );
}
function isdigit(string $char): bool
{
$c = ord($char);
return isascii($char) && ( $c > 0x2f && $c < 0x3a );
}