Dominique Fournier
6afe1b5c52
git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4275 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
927 lines
28 KiB
PHP
927 lines
28 KiB
PHP
<?php
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/** DomFramework
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* @package domframework
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* @author Dominique Fournier <dominique@fournier38.fr>
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*/
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/** Allow to manage a linux Console to have a minimal but working text interface
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* When using this class, you must use the $console::echo method and not
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* display directely on screen
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* Like readline, but all in PHP
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* Manage the historical of the provided commands
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* Allow the user to use arrow keys and the shortcuts Ctrl+arrow, Ctrl+L,
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* Ctrl+U, Ctrl+W
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* To not allow the stop of the program by Ctrl+C, you can add
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* exec ("stty intr ^J");
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* To update the window size when the terminal is resized, use after console
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* instanciation :
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* declare(ticks = 1);
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* pcntl_signal (SIGWINCH, function () use ($console) {
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* $console->updateTerminalSize ();
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* });
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*/
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class console
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{
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// PROPERTIES
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// {{{
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/** Set the debug on if a filename is provided, or do not debug if false is
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* provided
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*/
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//private $debug = "/tmp/debug";
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private $debug = false;
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/** Save the initial stty value
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*/
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private $initSttyState;
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/** Line Content
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*/
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private $lineContent = "";
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/** If true, display each char the user has pressed (echo mode)
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*/
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private $echoMode = true;
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/** List of non printable chars in decimal. The non printable chars are not
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* displayed but are correctely captured
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*/
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private $nonWriteableChar = array (1, 2, 3, 4, 6, 8, 9, 16, 18,
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20, 21, 22, 23, 24, 25, 27,
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127);
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/** The history list in an array
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*/
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private $history = array ();
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/** The history max size in entries
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*/
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private $historyMaxSize = 1000;
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/** Set the completion keys. Not set by default
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*/
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private $completionKeys = false;
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/** Set the function called when the completion char is called
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*/
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private $completionFunction = array ();
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/** Set the width of the terminal in chars
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*/
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private $termWidth;
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/** Store the last cursor position in the last readline
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*/
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private $cursorPos = 1;
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// }}}
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/** The constructor init the console.
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* Check if we have the rights to execute, if wa have in cli...
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*/
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public function __construct ()
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// {{{
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{
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if (! function_exists ("exec"))
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throw $this->ConsoleException ("No exec support in PHP");
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$this->initSttyState = exec ("stty -g");
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// Set the terminal to return the value each time a key is pressed.
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// Do not display anything, so we don't see the characters when the user is
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// deleting.
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// 'intr ^J' allow to redefine the interruption from Ctrl+C to Ctrl+J. It
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// allow to manage the Ctrl+C key to clean the entry
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exec ("stty -echo -icanon min 1 time 0");
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$this->updateTerminalSize ();
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}
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// }}}
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/** Update the terminal size
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*/
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public function updateTerminalSize ()
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// {{{
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{
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$termSize = exec ("stty size", $null, $rc);
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if ($rc === 0)
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{
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list ($termHeight, $termWidth) = explode (" ", $termSize);
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if (is_null ($termWidth) || is_bool ($termWidth))
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$this->termWidth = 80;
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else
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$this->termWidth = intval ($termWidth);
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}
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else
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$this->termWidth = 80;
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}
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// }}}
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/** The destructor return the terminal to initial state
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*/
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public function __destruct ()
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// {{{
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{
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exec ("stty $this->initSttyState");
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}
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// }}}
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/** Each time a key is pressed by the user, display the value on screen (echo)
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*/
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public function setEcho ()
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// {{{
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{
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$this->echoMode = true;
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}
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// }}}
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/** Each time a key is pressed by the user, DO NOT display the value on screen
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* (echo disabled)
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*/
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public function unsetEcho ()
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// {{{
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{
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$this->echoMode = false;
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}
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// }}}
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/** Display a text on screen. Must be used before "readline" method because
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* the provided message will not be deleted by readline process.
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* @param string $message The message to display
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*/
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public function echo ($message)
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// {{{
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{
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echo $message;
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$this->lineContent .= $message;
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}
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// }}}
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/** Wait one valid character from the user.
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* The non printable chars are not displayed, nor returned
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* The ESC Sequences are skipped
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* @return the pressed char
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*/
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public function getc ()
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// {{{
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{
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$char = $this->getKey ();
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while (in_array (ord ($char), $this->nonWriteableChar))
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$char = $this->getKey ();
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return $char;
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}
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// }}}
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/** Wait one key pressed by the user. If the key pressed is an ESC sequence,
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* return this sequence
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* The non printable chars are not displayed, but are correctely returned
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* The UTF8 chars are return as multiple length chars
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* @return the pressed char
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*/
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public function getKey ()
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// {{{
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{
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$char = fgetc (STDIN);
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if ($char === chr (27))
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{
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$sequence = $char;
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$char2 = fgetc (STDIN);
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if (ord ($char2) === 27)
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{
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// Sequence of ESC ESC
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}
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elseif (ord ($char2) === 79)
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{
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// Start an ESC SS3 sequence
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// Like F2 Key
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$sequence .= $char2;
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$char = fgetc (STDIN);
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$sequence .= $char;
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}
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elseif (ord ($char2) === 91)
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{
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// Start an ESC CSI sequence. Do not display it, just return it.
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// The ESC squences are used to communicate the cursor keys, associated
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// with the Ctrl key, by example
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// ESC [ is followed by any number (including none) of "parameter bytes"
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// in the range 0x30–0x3F (ASCII 0–9:;<=>?), then by any number of
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// "intermediate bytes" in the range 0x20–0x2F (ASCII space and
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// !"#$%&'()*+,-./), then finally by a single "final byte" in the range
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// 0x40–0x7E (ASCII @A–Z[\]^_`a–z{|}~).[14]:5.4
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$sequence .= $char2;
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$char = fgetc (STDIN);
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while (ord ($char) < 64 || ord ($char) > 126)
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{
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$sequence .= $char;
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$char = fgetc (STDIN);
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}
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$sequence .= $char;
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}
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else
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{
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$this->consoleException ("Invalid ESC seq : ".ord($char2));
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}
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return $sequence;
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}
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// UTF Sequence :
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// - char1 < 128 : One char (like ascii)
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// - char1 >= 194 && char1 <= 223 : Two chars
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// - char1 >= 224 && char1 <= 239 : Three chars
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// - char1 >= 240 && char1 <= 244 : Four chars
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if (ord ($char) < 128)
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{
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// One Char like ascii
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}
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elseif (ord ($char) >= 194 && ord ($char) <= 223)
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{
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// Two chars
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$char .= fgetc (STDIN);
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}
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elseif (ord ($char) >= 224 && ord ($char) <= 239)
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{
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// Three chars
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$char .= fgetc (STDIN).fgetc (STDIN);
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}
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elseif (ord ($char) >= 240 && ord ($char) <= 244)
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{
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// Four chars
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$char .= fgetc (STDIN).fgetc (STDIN).fgetc (STDIN);
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}
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if ($this->echoMode && ! in_array (ord ($char), $this->nonWriteableChar))
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echo $char;
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return $char;
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}
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// }}}
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/** Get the line of characters pressed by the user and return the result.
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* Stop when the user valid by \n.
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* Manage correctely the backspace, the Ctrl+W to remove word...
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* @param string $propo Preset the text for the user
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* @param boolean|string $stopperChar The chars to stop the analysis and
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* return the result
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* @return The typed string
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*/
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public function readline ($propo = "", $stopperChar = false)
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// {{{
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{
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// Gets can not delete chars before the call. Keep the prompt (if exists)
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if (! is_string ($propo))
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$this->consoleException ("Invalid proposition provided to readline");
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$prompt = $this->lineContent;
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$minLength = mb_strlen ($this->lineContent) + 1;
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// Manage the history and a temporary buffer if the user has already type
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// something before calling the history
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$historyPos = count ($this->history);
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$string = $propo;
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echo $string;
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$this->lineContent = $prompt.$string;
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// The cursor position from last char of line.
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$cursorPos = mb_strlen ($this->lineContent) + 1;
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while (1)
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{
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$char = $this->getKey ();
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if ($stopperChar === false && $char === "\n")
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{
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// End of process without stopperChars
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$this->lineContent = "";
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break;
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}
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if ($stopperChar !== false &&
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in_array ($char, $this->mb_str_split ($stopperChar)))
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{
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// End of process with stopperChars
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$this->lineContent = "";
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break;
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}
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if ($this->completionKeys !== false &&
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in_array ($char, $this->mb_str_split ($this->completionKeys)))
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// Manage autocompletion
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// {{{
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{
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$completeArr = call_user_func ($this->completionFunction, $string);
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$isAssoc = is_array ($completeArr) &&
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array_diff_key ($completeArr, array_keys (array_keys ($completeArr)));
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if (is_array ($completeArr) && count ($completeArr) === 1)
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{
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if (substr ($string, -1) !== " ")
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{
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// Continuous word is unique : replace the last word by the proposal
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$pos = mb_strrpos ($string, " ");
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if ($pos === false)
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$string = "";
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else
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{
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$string = mb_substr ($string, 0, $pos +1);
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}
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}
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else
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{
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// Next word is unique : add this to the string
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}
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if ($isAssoc)
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$string .= key ($completeArr);
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else
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$string .= reset ($completeArr);
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}
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elseif (is_array ($completeArr) && count ($completeArr))
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{
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// Multiple answers : display them
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// Manage if all the answers start by the same chars : add them to the
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// $string
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if ($isAssoc)
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$possibilities = array_keys ($completeArr);
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else
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$possibilities = $completeArr;
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$addChars = $this->shortestIdenticalValues ($possibilities);
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if ($addChars !== "")
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{
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$pos = mb_strrpos ($string, " ");
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if ($pos === false)
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$string = $addChars;
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else
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{
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$string = mb_substr ($string, 0, $pos + 1).$addChars;
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}
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}
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if ($isAssoc)
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{
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// In associative array, the key is the possible answer to
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// autocompletion, and the value is the helper message
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// Get the largest key length to make a beautiful alignment
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// Get the smaller key length to found a affined answer
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$maxlen = 0;
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foreach ($completeArr as $key => $val)
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{
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$maxlen = max ($maxlen, mb_strlen ($key));
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}
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// Display the keys and helpers in an aligned form
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$maxlen = $maxlen + 5;
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echo "\n";
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foreach ($completeArr as $key => $val)
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printf ("%-${maxlen}s %s\n", $key, $val);
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}
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else
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{
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echo "\n".implode ("\n", $completeArr)."\n";
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}
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}
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if (is_array ($completeArr) && count ($completeArr))
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{
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$cursorPos = mb_strlen ($prompt.$string) + 1;
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$this->rewriteLine ($prompt.$string);
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$this->moveCursor ($cursorPos);
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}
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}
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// }}}
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elseif (ord ($char) === 3)
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// Abort (Ctrl+C)
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// {{{
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{
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$this->debug ("Abort Ctrl+C : ".ord ($char));
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$this->lineContent = "";
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$string = "";
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$this->clearLine ();
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echo "$prompt\n";
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break;
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}
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// }}}
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elseif (ord ($char) === 4)
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// Logout (Ctrl+D)
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// {{{
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{
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$this->debug ("Logout Ctrl+D : ".ord ($char));
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$string = "exit\n";
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$this->rewriteLine ($prompt.$string);
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return $string;
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}
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// }}}
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elseif (ord($char) === 12)
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// Refresh page (Ctrl+L)
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// {{{
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{
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$this->debug ("Refresh Ctrl+L : ".ord ($char));
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echo "\033[2J\033[;H\033c";
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$cursorPos = mb_strlen ($prompt.$string) + 1;
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$this->rewriteLine ($prompt.$string);
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$this->moveCursor ($cursorPos);
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}
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// }}}
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elseif (ord($char) === 21)
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// Empty line from prompt to cursor (Ctrl+U)
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// {{{
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{
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$this->debug ("Empty line from prompt to cursor Ctrl+U : ".ord ($char));
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$string = mb_substr ($string, $cursorPos - $minLength);
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$cursorPos = $minLength;
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$this->rewriteLine ($prompt.$string);
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$this->moveCursor ($cursorPos);
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}
|
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// }}}
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elseif (ord($char) === 23)
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// Remove the last word (Ctrl+W)
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// {{{
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{
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$this->debug ("Remove the last word Ctrl+W : ".ord ($char));
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$tmp = mb_substr ($string, 0, $cursorPos - $minLength);
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$end = mb_substr ($string, $cursorPos - $minLength);
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$tmp = rtrim ($tmp);
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$pos = mb_strrpos ($tmp, " ");
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if ($pos !== false)
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$pos++;
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$string = mb_substr ($string, 0, $pos).$end;
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$cursorPos = $minLength + $pos;
|
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$this->rewriteLine ($prompt.$string);
|
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$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif (ord($char) === 127)
|
||
// Remove the previous char (Backspace)
|
||
// {{{
|
||
{
|
||
$this->debug ("Remove the previous char (Backspace) : ".ord ($char));
|
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if ($cursorPos <= $minLength)
|
||
continue;
|
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$strArr = $this->mb_str_split ($string);
|
||
$cursorPos--;
|
||
unset ($strArr[$cursorPos - $minLength]);
|
||
$string = implode ($strArr);
|
||
$this->rewriteLine ($prompt.$string);
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif (ord ($char{0}) === 27)
|
||
{
|
||
// ESC SEQUENCE
|
||
$sequence = "";
|
||
foreach (str_split ($char) as $key)
|
||
$sequence .= ord ($key)." ";
|
||
$this->debug ("ESC SEQUENCE : $sequence");
|
||
if ($char === chr (27).chr (91).chr (49).chr (59).chr (53).chr (67))
|
||
// Cursor right + Ctrl : cursor jump by word
|
||
// {{{
|
||
{
|
||
$this->debug ("Cursor right + Ctrl");
|
||
$tmp = mb_substr ($string, $cursorPos - $minLength);
|
||
$tmp = ltrim ($tmp);
|
||
$pos = strpos ($tmp, " ");
|
||
if ($pos !== false)
|
||
$cursorPos += $pos +1 ;
|
||
else
|
||
$cursorPos = mb_strlen ($prompt.$string) + 1;
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (49).chr (59).chr (53).chr (68))
|
||
// Cursor left + Ctrl : cursor jump by word
|
||
// {{{
|
||
{
|
||
$this->debug ("Cursor left + Ctrl");
|
||
$tmp = mb_substr ($string, 0, $cursorPos - $minLength);
|
||
$tmp = rtrim ($tmp);
|
||
$pos = strrpos ($tmp, " ");
|
||
if ($pos !== false) $pos++;
|
||
$cursorPos = $minLength + $pos;
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (65))
|
||
// Cursor up : display the previous history if defined
|
||
// {{{
|
||
{
|
||
$this->debug ("Cursor up");
|
||
if (! isset ($historyTmp))
|
||
{
|
||
$historyTmp = $string;
|
||
$historyTmpPos = $cursorPos;
|
||
}
|
||
if ($historyPos > 0)
|
||
{
|
||
$historyPos--;
|
||
$string = $this->history[$historyPos];
|
||
$cursorPos = mb_strlen ($prompt.$string) + 1;
|
||
$this->rewriteLine ($prompt.$string);
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (66))
|
||
// Cursor down : display the next history if defined
|
||
// {{{
|
||
{
|
||
$this->debug ("Cursor down");
|
||
if ($historyPos < count ($this->history) - 1)
|
||
{
|
||
$historyPos++;
|
||
$string = $this->history[$historyPos];
|
||
$cursorPos = mb_strlen ($prompt.$string) + 1;
|
||
}
|
||
elseif (isset ($historyTmp))
|
||
{
|
||
$string = $historyTmp;
|
||
$cursorPos = $historyTmpPos;
|
||
unset ($historyTmp);
|
||
}
|
||
$this->rewriteLine ($prompt.$string);
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (67))
|
||
// Cursor right
|
||
// {{{
|
||
{
|
||
$this->debug ("Cursor right");
|
||
if ($cursorPos <= mb_strlen ($this->lineContent))
|
||
{
|
||
$cursorPos++;
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (68))
|
||
// Cursor left
|
||
// {{{
|
||
{
|
||
$this->debug ("Cursor left");
|
||
if ($cursorPos > $minLength)
|
||
{
|
||
$cursorPos--;
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (70))
|
||
// End key
|
||
// {{{
|
||
{
|
||
$this->debug ("End key");
|
||
$cursorPos = $minLength + mb_strlen ($string);
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (72))
|
||
// Home key
|
||
// {{{
|
||
{
|
||
$this->debug ("Home key");
|
||
$cursorPos = $minLength;
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
elseif ($char === chr (27).chr (91).chr (51).chr (126))
|
||
// Remove the char under the cursor (Delete)
|
||
// {{{
|
||
{
|
||
$this->debug ("Delete key");
|
||
if ($cursorPos > mb_strlen ($prompt.$string))
|
||
continue;
|
||
$strArr = $this->mb_str_split ($string);
|
||
unset ($strArr[$cursorPos - $minLength]);
|
||
$string = implode ($strArr);
|
||
$this->rewriteLine ($prompt.$string);
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
}
|
||
elseif (in_array (ord ($char), $this->nonWriteableChar))
|
||
// Non writeable char : skip it
|
||
// {{{
|
||
{
|
||
$this->debug ("Non writeable char : ".ord ($char));
|
||
}
|
||
// }}}
|
||
else
|
||
// Normal char : Add it to the string
|
||
// {{{
|
||
{
|
||
$this->debug ("Normal char : ".ord ($char));
|
||
$strArr = $this->mb_str_split ($string);
|
||
$firstArr = array_slice ($strArr, 0, $cursorPos - $minLength);
|
||
$lastArr = array_slice ($strArr, $cursorPos - $minLength);
|
||
$insertArr = array ($char);
|
||
$strArr = array_merge ($firstArr, $insertArr, $lastArr);
|
||
$string = implode ($strArr);
|
||
$cursorPos++;
|
||
$this->rewriteLine ($prompt.$string);
|
||
$this->moveCursor ($cursorPos);
|
||
}
|
||
// }}}
|
||
}
|
||
$this->debug ("End of readline '$string'");
|
||
return $string;
|
||
}
|
||
// }}}
|
||
|
||
/** Rewrite the line with the provided $text.
|
||
* Delete all the old data
|
||
* @param string $text The new text to use on line
|
||
*/
|
||
private function rewriteLine ($text)
|
||
// {{{
|
||
{
|
||
$this->debug ("Call rewriteLine ($text)");
|
||
if ($this->echoMode)
|
||
{
|
||
$this->clearLine ();
|
||
$this->lineContent = $text;
|
||
echo $this->lineContent;
|
||
$this->cursorPos = mb_strlen ($this->lineContent);
|
||
}
|
||
}
|
||
// }}}
|
||
|
||
/** Move the cursor on position $position. The first column is $cursorPos=1
|
||
* @param integer $cursorPos The new position on line
|
||
*/
|
||
private function moveCursor ($cursorPos)
|
||
// {{{
|
||
{
|
||
$this->debug ("Call moveCursor ($cursorPos)");
|
||
if ($cursorPos < 1)
|
||
$this->consoleException ("MoveCursor lesser than one : $cursorPos");
|
||
if ($this->echoMode)
|
||
{
|
||
$oldLength = mb_strlen ($this->lineContent);
|
||
// 1. Calculate on which line the cursor is positionned
|
||
$cursorLine = 1 + floor ((-1+$this->cursorPos) / $this->termWidth);
|
||
// 2. Return the cursor to the first line
|
||
for ($i = $cursorLine ; $i > 1 ; $i--)
|
||
echo chr (27).chr (91).chr (49).chr (65)."\r";
|
||
// 3. Down the cursor to the wanted line
|
||
$wantedLine = ceil ($cursorPos / $this->termWidth);
|
||
if ($wantedLine > 1)
|
||
{
|
||
for ($i = 1 ; $i < $wantedLine ; $i++)
|
||
echo "\r".chr (27).chr (91).chr (49).chr (66)."\r";
|
||
}
|
||
// 4. Move the cursor on the last line
|
||
$needMovePos = -1 + $cursorPos - ($wantedLine - 1) * $this->termWidth;
|
||
echo "\r".str_repeat (chr (27).chr (91).chr (67), $needMovePos);
|
||
$this->cursorPos = $cursorPos;
|
||
}
|
||
}
|
||
// }}}
|
||
|
||
/** Clear the existing line.
|
||
*/
|
||
public function clearLine ()
|
||
// {{{
|
||
{
|
||
$this->debug ("Call clearLine");
|
||
$oldLength = mb_strlen ($this->lineContent);
|
||
// 1. Calculate on which line the cursor is positionned
|
||
$cursorLine = 1 + floor ((-1+$this->cursorPos) / $this->termWidth);
|
||
$lastLines = 1 + floor ((1+$oldLength) / $this->termWidth);
|
||
$this->debug ("==> clearLine : oldLength=$oldLength, ".
|
||
"cursorLine=$cursorLine, lastLines=$lastLines");
|
||
for ($i = $cursorLine ; $i < $lastLines ; $i++)
|
||
{
|
||
$this->debug ("==> clearLine : go Down (i=$i<$lastLines)");
|
||
echo "\033[1B";
|
||
}
|
||
// 3. Remove the lines from lastLines to line 1
|
||
if ($lastLines > 1)
|
||
{
|
||
for ($i = $lastLines ; $i > 1 ; $i--)
|
||
{
|
||
$this->debug ("==> clearLine : Remove line up (i=$i<$lastLines)");
|
||
echo "\r\033[K\033[1A\r";
|
||
}
|
||
}
|
||
// 4. Clean the line 1
|
||
$this->debug ("==> clearLine : Remove line 1");
|
||
echo "\r\033[K";
|
||
$this->lineContent = "";
|
||
$this->cursorPos = 1;
|
||
}
|
||
// }}}
|
||
|
||
/** Clear all the screen and remove the scroll of the screen
|
||
*/
|
||
public function clearScreen ()
|
||
// {{{
|
||
{
|
||
echo "\033[2J\033[;H\033c";
|
||
}
|
||
// }}}
|
||
|
||
/** Call a specific function when a completion key is pressed
|
||
* @param string|bool $completionKeys The list of the completion keys. False
|
||
* unset the method
|
||
* @param callable $completionFunction The function called when one of the
|
||
* completion keys is pressed.
|
||
* The function must get the partial text as first parameter, and must return
|
||
* an array with the possibilities
|
||
*/
|
||
public function completeFunction ($completionKeys, $completionFunction)
|
||
// {{{
|
||
{
|
||
if (! is_string ($completionKeys) && ! is_boolean ($completionKeys))
|
||
$this->consoleException ("Can not set the completionKeys : not a string");
|
||
if ($completionKeys === true)
|
||
$this->consoleException ("Can not set the completionKeys : not false");
|
||
if (! is_callable ($completionFunction))
|
||
$this->consoleException ("Can not set the completionFunction : ".
|
||
"not a callable function");
|
||
$this->completionKeys = $completionKeys;
|
||
$this->completionFunction = $completionFunction;
|
||
}
|
||
// }}}
|
||
|
||
/** Get the actual history in memory
|
||
*/
|
||
public function getHistory ()
|
||
// {{{
|
||
{
|
||
return $this->history;
|
||
}
|
||
// }}}
|
||
|
||
/** Clear the history
|
||
* This method do NOT write the empty history on disk
|
||
*/
|
||
public function clearHistory ()
|
||
// {{{
|
||
{
|
||
$this->history = array ();
|
||
return $this;
|
||
}
|
||
// }}}
|
||
|
||
/** Write the history to disk.
|
||
* @param string $historyFile The history file where the history is stored
|
||
*/
|
||
public function writeHistory ($historyFile)
|
||
// {{{
|
||
{
|
||
if (file_exists ($historyFile))
|
||
{
|
||
if (! is_writeable ($historyFile))
|
||
$this->consoleException ("History file '$historyFile' ".
|
||
"is not writeable");
|
||
$history = file_get_contents ($historyFile);
|
||
if ($history === false)
|
||
$this->consoleException ("History file '$historyFile' can not be read");
|
||
$historyArr = explode ("\n", $history);
|
||
if (! isset ($historyArr[0]) || $historyArr[0] !== "__HISTORY__")
|
||
$this->consoleException ("History file '$historyFile' ".
|
||
"is not an history file : do not touch\n");
|
||
}
|
||
elseif (! file_exists (dirname ($historyFile)))
|
||
$this->consoleException ("History file '$historyFile' ".
|
||
"can not be created: parent directory doesn't exists");
|
||
elseif (! is_dir (dirname ($historyFile)))
|
||
$this->consoleException ("History file '$historyFile' ".
|
||
"can not be created: parent directory is not a directory");
|
||
file_put_contents ($historyFile, "__HISTORY__\n");
|
||
$history = "";
|
||
foreach ($this->history as $time => $command)
|
||
$history .= "$time $command\n";
|
||
file_put_contents ($historyFile, $history, FILE_APPEND|LOCK_EX);
|
||
return $this;
|
||
}
|
||
// }}}
|
||
|
||
/** Read the history from the disk
|
||
* If the file doesn't exists, return an empty array
|
||
* @param string $historyFile The history file where the history is stored
|
||
* @return the read history with timestamp as key and command as value
|
||
*/
|
||
public function readHistory ($historyFile)
|
||
// {{{
|
||
{
|
||
if (! file_exists ($historyFile))
|
||
{
|
||
$this->history = array ();
|
||
return array ();
|
||
}
|
||
if (! is_readable ($historyFile))
|
||
$this->consoleException ("History file '$historyFile' can not be read");
|
||
$history = file_get_contents ($historyFile);
|
||
if ($history === false)
|
||
$this->consoleException ("History file '$historyFile' can not be read");
|
||
$historyArr = explode ("\n", $history);
|
||
if (! isset ($historyArr[0]) || $historyArr[0] !== "__HISTORY__")
|
||
$this->consoleException ("History file '$historyFile' ".
|
||
"is not an history file : do not touch\n");
|
||
array_shift ($historyArr);
|
||
foreach ($historyArr as $line)
|
||
{
|
||
@list ($time, $command) = @explode (" ", $line, 2);
|
||
if ($time === null || $command === null)
|
||
continue;
|
||
$this->history[$time] = $command;
|
||
}
|
||
return $this->history;
|
||
}
|
||
// }}}
|
||
|
||
/** Add a new entry in history.
|
||
* The new line can not be empty : it is not stored, but without error
|
||
* This method do NOT write the history on disk : you must use writeHistory
|
||
* @param string The new entry to add in history
|
||
*/
|
||
public function addHistory ($line)
|
||
// {{{
|
||
{
|
||
if (! is_string ($line))
|
||
$this->consoleException ("Can not add line to history : ".
|
||
"it is not a string");
|
||
if (trim ($line) === "")
|
||
return $this;
|
||
$this->history[time()] = $line;
|
||
$this->history = array_slice ($this->history, -$this->historyMaxSize, null,
|
||
true);
|
||
return $this;
|
||
}
|
||
// }}}
|
||
|
||
/** Get/Set the maximum number of entries in the history
|
||
* If null, get the defined maximum number
|
||
* @param integer|null $historyMaxSize The maximum number of entries
|
||
*/
|
||
public function historyMaxSize ($historyMaxSize = null)
|
||
// {{{
|
||
{
|
||
if ($historyMaxSize === null)
|
||
return $this->historyMaxSize;
|
||
if (intval ($historyMaxSize) < 1)
|
||
$this->consoleException ("Can not set the historyMaxSize : ".
|
||
"negative value provided");
|
||
$this->historyMaxSize = intval ($historyMaxSize);
|
||
}
|
||
// }}}
|
||
|
||
/** Error management
|
||
* @param string $message The message to throw in the exception
|
||
*/
|
||
public function consoleException ($message)
|
||
// {{{
|
||
{
|
||
throw new \Exception ($message, 500);
|
||
}
|
||
// }}}
|
||
|
||
/** This function return an array with each char, but supports UTF-8
|
||
* @param string $string The string to explode
|
||
* @param integer $split_length The number of chars in each split
|
||
* @return array
|
||
*/
|
||
private function mb_str_split ($string, $split_length = 1)
|
||
// {{{
|
||
{
|
||
$res = array();
|
||
for ($i = 0; $i < mb_strlen ($string); $i += $split_length)
|
||
$res[] = mb_substr ($string, $i, $split_length);
|
||
return $res;
|
||
}
|
||
// }}}
|
||
|
||
/** This function debug the data
|
||
* @param mixed $data The data to store
|
||
*/
|
||
private function debug ($data)
|
||
// {{{
|
||
{
|
||
if ($this->debug === false)
|
||
return;
|
||
if (is_array ($data) || is_bool ($data))
|
||
$data = var_export ($data, true);
|
||
file_put_contents ($this->debug, date ("H:i:s")." $data\n", FILE_APPEND);
|
||
}
|
||
// }}}
|
||
|
||
/** Look in the array which first chars of each possibilites are identical.
|
||
* @param array $completeArr The values to examine
|
||
* @return string the identical chars
|
||
*/
|
||
private function shortestIdenticalValues ($completeArr)
|
||
// {{{
|
||
{
|
||
if (! is_array ($completeArr))
|
||
return "";
|
||
$minlen = 99999;
|
||
foreach ($completeArr as $val)
|
||
{
|
||
$minlen = min ($minlen, mb_strlen ($val));
|
||
}
|
||
$identicalString = "";
|
||
$sameCharLength = 1 ;
|
||
while ($sameCharLength <= $minlen)
|
||
{
|
||
$tmp = "";
|
||
foreach ($completeArr as $val)
|
||
{
|
||
$part = mb_substr ($val, 0, $sameCharLength);
|
||
if ($tmp == "")
|
||
$tmp = $part;
|
||
if ($tmp !== $part)
|
||
{
|
||
break 2;
|
||
}
|
||
}
|
||
$identicalString = $tmp;
|
||
$sameCharLength++;
|
||
}
|
||
return $identicalString;
|
||
}
|
||
// }}}
|
||
}
|