Developer
<?php
/**
* Hoa
*
*
* @license
*
* New BSD License
*
* Copyright © 2007-2017, Hoa community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Hoa nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace Psy\Readline\Hoa;
/**
* Class \Hoa\Console\Cursor.
*
* Allow to manipulate the cursor.
*/
class ConsoleCursor
{
/**
* Move the cursor.
* Steps can be:
* • u, up, ↑ : move to the previous line;
* • U, UP : move to the first line;
* • r, right, → : move to the next column;
* • R, RIGHT : move to the last column;
* • d, down, ↓ : move to the next line;
* • D, DOWN : move to the last line;
* • l, left, ← : move to the previous column;
* • L, LEFT : move to the first column.
* Steps can be concatened by a single space if $repeat is equal to 1.
*/
public static function move(string $steps, int $repeat = 1)
{
if (1 > $repeat) {
return;
} elseif (1 === $repeat) {
$handle = \explode(' ', $steps);
} else {
$handle = \explode(' ', $steps, 1);
}
$tput = Console::getTput();
$output = Console::getOutput();
foreach ($handle as $step) {
switch ($step) {
case 'u':
case 'up':
case '↑':
$output->writeAll(
\str_replace(
'%p1%d',
$repeat,
$tput->get('parm_up_cursor')
)
);
break;
case 'U':
case 'UP':
static::moveTo(null, 1);
break;
case 'r':
case 'right':
case '→':
$output->writeAll(
\str_replace(
'%p1%d',
$repeat,
$tput->get('parm_right_cursor')
)
);
break;
case 'R':
case 'RIGHT':
static::moveTo(9999);
break;
case 'd':
case 'down':
case '↓':
$output->writeAll(
\str_replace(
'%p1%d',
$repeat,
$tput->get('parm_down_cursor')
)
);
break;
case 'D':
case 'DOWN':
static::moveTo(null, 9999);
break;
case 'l':
case 'left':
case '←':
$output->writeAll(
\str_replace(
'%p1%d',
$repeat,
$tput->get('parm_left_cursor')
)
);
break;
case 'L':
case 'LEFT':
static::moveTo(1);
break;
}
}
}
/**
* Move to the line X and the column Y.
* If null, use the current coordinate.
*/
public static function moveTo(?int $x = null, ?int $y = null)
{
if (null === $x || null === $y) {
$position = static::getPosition();
if (null === $x) {
$x = $position['x'];
}
if (null === $y) {
$y = $position['y'];
}
}
Console::getOutput()->writeAll(
\str_replace(
['%i%p1%d', '%p2%d'],
[$y, $x],
Console::getTput()->get('cursor_address')
)
);
}
/**
* Get current position (x and y) of the cursor.
*/
public static function getPosition(): array
{
$tput = Console::getTput();
$user7 = $tput->get('user7');
if (null === $user7) {
return [
'x' => 0,
'y' => 0,
];
}
Console::getOutput()->writeAll($user7);
$input = Console::getInput();
// Read $tput->get('user6').
$input->read(2); // skip \033 and [.
$x = null;
$y = null;
$handle = &$y;
while (true) {
$char = $input->readCharacter();
switch ($char) {
case ';':
$handle = &$x;
break;
case 'R':
break 2;
default:
$handle .= $char;
}
}
return [
'x' => (int) $x,
'y' => (int) $y,
];
}
/**
* Save current position.
*/
public static function save()
{
Console::getOutput()->writeAll(
Console::getTput()->get('save_cursor')
);
}
/**
* Restore cursor to the last saved position.
*/
public static function restore()
{
Console::getOutput()->writeAll(
Console::getTput()->get('restore_cursor')
);
}
/**
* Clear the screen.
* Part can be:
* • a, all, ↕ : clear entire screen and static::move(1, 1);
* • u, up, ↑ : clear from cursor to beginning of the screen;
* • r, right, → : clear from cursor to the end of the line;
* • d, down, ↓ : clear from cursor to end of the screen;
* • l, left, ← : clear from cursor to beginning of the screen;
* • line, ↔ : clear all the line and static::move(1).
* Parts can be concatenated by a single space.
*/
public static function clear(string $parts = 'all')
{
$tput = Console::getTput();
$output = Console::getOutput();
foreach (\explode(' ', $parts) as $part) {
switch ($part) {
case 'a':
case 'all':
case '↕':
$output->writeAll($tput->get('clear_screen'));
static::moveTo(1, 1);
break;
case 'u':
case 'up':
case '↑':
$output->writeAll("\033[1J");
break;
case 'r':
case 'right':
case '→':
$output->writeAll($tput->get('clr_eol'));
break;
case 'd':
case 'down':
case '↓':
$output->writeAll($tput->get('clr_eos'));
break;
case 'l':
case 'left':
case '←':
$output->writeAll($tput->get('clr_bol'));
break;
case 'line':
case '↔':
$output->writeAll("\r".$tput->get('clr_eol'));
break;
}
}
}
/**
* Hide the cursor.
*/
public static function hide()
{
Console::getOutput()->writeAll(
Console::getTput()->get('cursor_invisible')
);
}
/**
* Show the cursor.
*/
public static function show()
{
Console::getOutput()->writeAll(
Console::getTput()->get('cursor_visible')
);
}
/**
* Colorize cursor.
* Attributes can be:
* • n, normal : normal;
* • b, bold : bold;
* • u, underlined : underlined;
* • bl, blink : blink;
* • i, inverse : inverse;
* • !b, !bold : normal weight;
* • !u, !underlined : not underlined;
* • !bl, !blink : steady;
* • !i, !inverse : positive;
* • fg(color), foreground(color) : set foreground to “color”;
* • bg(color), background(color) : set background to “color”.
* “color” can be:
* • default;
* • black;
* • red;
* • green;
* • yellow;
* • blue;
* • magenta;
* • cyan;
* • white;
* • 0-256 (classic palette);
* • #hexa.
* Attributes can be concatenated by a single space.
*/
public static function colorize(string $attributes)
{
static $_rgbTo256 = null;
if (null === $_rgbTo256) {
$_rgbTo256 = [
'000000', '800000', '008000', '808000', '000080', '800080',
'008080', 'c0c0c0', '808080', 'ff0000', '00ff00', 'ffff00',
'0000ff', 'ff00ff', '00ffff', 'ffffff', '000000', '00005f',
'000087', '0000af', '0000d7', '0000ff', '005f00', '005f5f',
'005f87', '005faf', '005fd7', '005fff', '008700', '00875f',
'008787', '0087af', '0087d7', '0087ff', '00af00', '00af5f',
'00af87', '00afaf', '00afd7', '00afff', '00d700', '00d75f',
'00d787', '00d7af', '00d7d7', '00d7ff', '00ff00', '00ff5f',
'00ff87', '00ffaf', '00ffd7', '00ffff', '5f0000', '5f005f',
'5f0087', '5f00af', '5f00d7', '5f00ff', '5f5f00', '5f5f5f',
'5f5f87', '5f5faf', '5f5fd7', '5f5fff', '5f8700', '5f875f',
'5f8787', '5f87af', '5f87d7', '5f87ff', '5faf00', '5faf5f',
'5faf87', '5fafaf', '5fafd7', '5fafff', '5fd700', '5fd75f',
'5fd787', '5fd7af', '5fd7d7', '5fd7ff', '5fff00', '5fff5f',
'5fff87', '5fffaf', '5fffd7', '5fffff', '870000', '87005f',
'870087', '8700af', '8700d7', '8700ff', '875f00', '875f5f',
'875f87', '875faf', '875fd7', '875fff', '878700', '87875f',
'878787', '8787af', '8787d7', '8787ff', '87af00', '87af5f',
'87af87', '87afaf', '87afd7', '87afff', '87d700', '87d75f',
'87d787', '87d7af', '87d7d7', '87d7ff', '87ff00', '87ff5f',
'87ff87', '87ffaf', '87ffd7', '87ffff', 'af0000', 'af005f',
'af0087', 'af00af', 'af00d7', 'af00ff', 'af5f00', 'af5f5f',
'af5f87', 'af5faf', 'af5fd7', 'af5fff', 'af8700', 'af875f',
'af8787', 'af87af', 'af87d7', 'af87ff', 'afaf00', 'afaf5f',
'afaf87', 'afafaf', 'afafd7', 'afafff', 'afd700', 'afd75f',
'afd787', 'afd7af', 'afd7d7', 'afd7ff', 'afff00', 'afff5f',
'afff87', 'afffaf', 'afffd7', 'afffff', 'd70000', 'd7005f',
'd70087', 'd700af', 'd700d7', 'd700ff', 'd75f00', 'd75f5f',
'd75f87', 'd75faf', 'd75fd7', 'd75fff', 'd78700', 'd7875f',
'd78787', 'd787af', 'd787d7', 'd787ff', 'd7af00', 'd7af5f',
'd7af87', 'd7afaf', 'd7afd7', 'd7afff', 'd7d700', 'd7d75f',
'd7d787', 'd7d7af', 'd7d7d7', 'd7d7ff', 'd7ff00', 'd7ff5f',
'd7ff87', 'd7ffaf', 'd7ffd7', 'd7ffff', 'ff0000', 'ff005f',
'ff0087', 'ff00af', 'ff00d7', 'ff00ff', 'ff5f00', 'ff5f5f',
'ff5f87', 'ff5faf', 'ff5fd7', 'ff5fff', 'ff8700', 'ff875f',
'ff8787', 'ff87af', 'ff87d7', 'ff87ff', 'ffaf00', 'ffaf5f',
'ffaf87', 'ffafaf', 'ffafd7', 'ffafff', 'ffd700', 'ffd75f',
'ffd787', 'ffd7af', 'ffd7d7', 'ffd7ff', 'ffff00', 'ffff5f',
'ffff87', 'ffffaf', 'ffffd7', 'ffffff', '080808', '121212',
'1c1c1c', '262626', '303030', '3a3a3a', '444444', '4e4e4e',
'585858', '606060', '666666', '767676', '808080', '8a8a8a',
'949494', '9e9e9e', 'a8a8a8', 'b2b2b2', 'bcbcbc', 'c6c6c6',
'd0d0d0', 'dadada', 'e4e4e4', 'eeeeee',
];
}
$tput = Console::getTput();
if (1 >= $tput->count('max_colors')) {
return;
}
$handle = [];
foreach (\explode(' ', $attributes) as $attribute) {
switch ($attribute) {
case 'n':
case 'normal':
$handle[] = 0;
break;
case 'b':
case 'bold':
$handle[] = 1;
break;
case 'u':
case 'underlined':
$handle[] = 4;
break;
case 'bl':
case 'blink':
$handle[] = 5;
break;
case 'i':
case 'inverse':
$handle[] = 7;
break;
case '!b':
case '!bold':
$handle[] = 22;
break;
case '!u':
case '!underlined':
$handle[] = 24;
break;
case '!bl':
case '!blink':
$handle[] = 25;
break;
case '!i':
case '!inverse':
$handle[] = 27;
break;
default:
if (0 === \preg_match('#^([^\(]+)\(([^\)]+)\)$#', $attribute, $m)) {
break;
}
$shift = 0;
switch ($m[1]) {
case 'fg':
case 'foreground':
$shift = 0;
break;
case 'bg':
case 'background':
$shift = 10;
break;
default:
break 2;
}
$_handle = 0;
$_keyword = true;
switch ($m[2]) {
case 'black':
$_handle = 30;
break;
case 'red':
$_handle = 31;
break;
case 'green':
$_handle = 32;
break;
case 'yellow':
$_handle = 33;
break;
case 'blue':
$_handle = 34;
break;
case 'magenta':
$_handle = 35;
break;
case 'cyan':
$_handle = 36;
break;
case 'white':
$_handle = 37;
break;
case 'default':
$_handle = 39;
break;
default:
$_keyword = false;
if (256 <= $tput->count('max_colors') &&
'#' === $m[2][0]) {
$rgb = \hexdec(\substr($m[2], 1));
$r = ($rgb >> 16) & 255;
$g = ($rgb >> 8) & 255;
$b = $rgb & 255;
$distance = null;
foreach ($_rgbTo256 as $i => $_rgb) {
$_rgb = \hexdec($_rgb);
$_r = ($_rgb >> 16) & 255;
$_g = ($_rgb >> 8) & 255;
$_b = $_rgb & 255;
$d = \sqrt(
($_r - $r) ** 2
+ ($_g - $g) ** 2
+ ($_b - $b) ** 2
);
if (null === $distance ||
$d <= $distance) {
$distance = $d;
$_handle = $i;
}
}
} else {
$_handle = (int) ($m[2]);
}
}
if (true === $_keyword) {
$handle[] = $_handle + $shift;
} else {
$handle[] = (38 + $shift).';5;'.$_handle;
}
}
}
Console::getOutput()->writeAll("\033[".\implode(';', $handle).'m');
return;
}
/**
* Change color number to a specific RGB color.
*/
public static function changeColor(int $fromCode, int $toColor)
{
$tput = Console::getTput();
if (true !== $tput->has('can_change')) {
return;
}
$r = ($toColor >> 16) & 255;
$g = ($toColor >> 8) & 255;
$b = $toColor & 255;
Console::getOutput()->writeAll(
\str_replace(
[
'%p1%d',
'rgb:',
'%p2%{255}%*%{1000}%/%2.2X/',
'%p3%{255}%*%{1000}%/%2.2X/',
'%p4%{255}%*%{1000}%/%2.2X',
],
[
$fromCode,
'',
\sprintf('%02x', $r),
\sprintf('%02x', $g),
\sprintf('%02x', $b),
],
$tput->get('initialize_color')
)
);
return;
}
/**
* Set cursor style.
* Style can be:
* • b, block, ▋: block;
* • u, underline, _: underline;
* • v, vertical, |: vertical.
*/
public static function setStyle(string $style, bool $blink = true)
{
if (\defined('PHP_WINDOWS_VERSION_PLATFORM')) {
return;
}
switch ($style) {
case 'u':
case 'underline':
case '_':
$_style = 2;
break;
case 'v':
case 'vertical':
case '|':
$_style = 5;
break;
case 'b':
case 'block':
case '▋':
default:
$_style = 1;
break;
}
if (false === $blink) {
++$_style;
}
// Not sure what tput entry we can use here…
Console::getOutput()->writeAll("\033[".$_style.' q');
return;
}
/**
* Make a stupid “bip”.
*/
public static function bip()
{
Console::getOutput()->writeAll(
Console::getTput()->get('bell')
);
}
}
/*
* Advanced interaction.
*/
Console::advancedInteraction();
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