<?php
function code2utf($num){
if ($num < 128) {
return chr($num);
}
if ($num < 2048) {
return chr(($num >> 6) + 192) . chr(($num & 63) + 128);
}
if ($num < 65536) {
return chr(($num >> 12) + 224) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128);
}
if ($num < 2097152) {
return chr(($num >> 18) + 240) . chr((($num >> 12) & 63) + 128) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128);
}
return '';
}
class VirtualKeyboardLayout {
/**
* Array with normal keys
*
* @type array
* @access private
*/
var $normal = array();
var $shift = array();
var $altgr = array();
var $name = "";
var $code = "";
var $domain = "";
var $copyright = "";
var $columns = array();
var $strings = array();
var $ligatures = array();
var $root = "";
var $addon = "/addons/";
var $callback = "callbacks/";
var $fname = "";
var $map = array(
'normal' => 0
,'shift' => 1
,'ctrl' => 2
,'shft_ctrl' => 3
,'alt' => 6
,'shft_alt' => 7
);
function VirtualKeyboardLayout($fname) {
$this->exceptions = &$tmp;
$this->root = dirname($fname);
$this->fname = $fname;
$this->processLayout(file_get_contents($fname));
}
function processLayout($str) {
mb_internal_encoding("UTF-8");
$str = mb_convert_encoding($str,"UTF-8", "UCS-2");
preg_match("/^localename\\t\"(\\w+)-(\\w+)/mi",$str,$m);
$this->code = $m[2];
$this->domain = strtoupper($m[1]);
preg_match("/^.*?kbd[^\"]+\"([^\"]+)/mi",$str,$m);
$this->name = array_shift(preg_split("/\\s-\\s/",$m[1]));
preg_match("/^copyright[^\"]+\"([^\"]+)/mi",$str,$m);
$this->copyright = $m[1];
if (preg_match("/ilya lebedev/i",$this->copyright)) $this->copyright = "";
/**
* String format
*
* HexCode \t KeyId \t CapsEnabled \t NormalKey \t ShiftKey \t
*
* @type {String}
*/
$this->strings = preg_split("#[\\r\\n]+#",preg_replace(array("#^.+?//SC[^\\r\\n]+[/\\s-]+#smi","#\\s+(^deadkey|^ligature|^keyname).+#smi"),"",$str));
$this->strings = array_map(create_function('$a','return preg_split("#\\t+#",$a);'),$this->strings);
/*
* remove SGCap strings
*/
for ($z=sizeof($this->strings);$z>=0;$z--) {
if (-1 == @(int)$this->strings[$z][0]) {
array_splice($this->strings,$z,1);
}
}
/*
* Move OEM keys on the right places
*/
array_splice($this->strings,12,0,array_splice($this->strings,36,1));
array_unshift($this->strings,array_pop(array_splice($this->strings,36,1)));
preg_match("/shiftstate\\s+((?:(?!layout).|[\\r\\n])+)/i",$str,$m);
$this->columns = preg_split("/\\s.+[\\r\\n]+/",$m[1]);
preg_match("#^.+?//VK_[^\\r\\n]+[/\\s-]+(.+?)(^deadkey|^keyname)#smi",$str,$m);
$this->ligatures = $m?array_filter(preg_split("#[\\r\\n]+#",$m[1])):false;
/*
* Column values
* 0 - normal key state
* 1 - Shift
* 2 - Ctrl
* 3 - Shift+Ctrl
* 6 - AltGr (Shift+Ctrl)
* 7 - Shift+AltGr (Shift+Ctrl+Alt)
*
* convert them to keys
*/
for ($i=sizeof($this->columns)-1; $i>=0; $i--) {
$q = $this->columns[$i];
$this->columns[$i] = false;
if (is_numeric($q))
$this->columns[$q] = $i+3; // actual column number is 3
}
if ($this->ligatures) {
$this->ligatures = array_map(create_function('$a','return preg_split("#\\t+#",$a);'),$this->ligatures);
for ($i=sizeof($this->ligatures)-1,$tmp=array(); $i>=0; $i--) {
if (!isset($tmp[$this->ligatures[$i][0]])) {
$tmp[$this->ligatures[$i][0]] = array();
}
$tmp[$this->ligatures[$i][0]][$this->ligatures[$i][1]] = "\x01".join("",array_map(create_function('$a','return code2utf(hexdec($a));'),array_slice($this->ligatures[$i],2,-1)))."\x02";
}
$this->ligatures = $tmp;
}
}
function & getConvertedLayout () {
mb_internal_encoding("UTF-8");
$fs = array_slice($this->strings,0,47);
$VK = array('name' => $this->name
,'code' => $this->code
,'domain' => $this->domain
,'copy' => $this->copyright
,'normal' => array()
,'shift' => array(array())
,'alt' => array(array())
,'dk' => array()
,'addon' => ""
,'callback' => ""
);
for ($z=0; $z<sizeof($fs); $z++) {
$fr = $fs[$z];
$ncc = $this->columns[$this->map['normal']];
$scc = $this->columns[$this->map['shift']];
$acc = @$this->columns[$this->map['alt']];
$gcc = @$this->columns[$this->map['shft_alt']];
$nc = isset($fr[$ncc])&&strlen($fr[$ncc])>2?code2utf(hexdec($fr[$ncc])):$fr[$ncc];
$sc = isset($fr[$scc])&&strlen($fr[$scc])>2?code2utf(hexdec($fr[$scc])):$fr[$scc];
$ac = isset($fr[$acc])&&strlen($fr[$acc])>2?code2utf(hexdec($fr[$acc])):@$fr[$acc];
$gc = isset($fr[$gcc])&&strlen($fr[$gcc])>2?code2utf(hexdec($fr[$gcc])):@$fr[$gcc];
if ('%%' == $nc) {
$VK['normal'][] = $this->ligatures[$fr[1]][$this->map['normal']];
} else {
$VK['normal'][] = $nc;
}
/*
* VirtualKeyboard asks to keep only unique symbols on one key
*
* %% indicates a presence on ligature
*
* sometimes, MSKLC is getting buggy and move shift key to alt+shift
*/
if ($sc == -1 || (mb_strtoupper($sc) == mb_strtoupper($nc) && '%%' != $sc)) {
$VK['shift'][sizeof($VK['normal'])] = array();
} else {
if ('%%' == $sc) {
$VK['shift'][array_pop(array_keys($VK['shift']))][] = $this->ligatures[$fr[1]][$this->map['shift']];
} elseif ('-1' == $sc) {
$VK['shift'][array_pop(array_keys($VK['shift']))][] = $gc;
} elseif ($sc) {
$VK['shift'][array_pop(array_keys($VK['shift']))][] = $sc;
}
}
/*
* VirtualKeyboard asks to keep only unique symbols on one key
*
* %% indicates a presence on ligature
*/
if ($ac == -1 || (mb_strtoupper($ac) == mb_strtoupper($nc) && '%%' != $ac)) {
$VK['alt'][sizeof($VK['normal'])] = array();
} else {
if ('%%' == $ac) {
/*
* weird format, here normal modifier order is used
*/
$VK['alt'][array_pop(array_keys($VK['alt']))][] = $this->ligatures[$fr[1]][$this->map['alt']-2];
} elseif ($ac) {
$VK['alt'][array_pop(array_keys($VK['alt']))][] = $ac;
}
}
if (isset($fr[$ncc])&&strpos($fr[$ncc],'@')>0 && !array_search($nc,$VK['dk'])) $VK['dk'][] = $nc;
if (isset($fr[$scc])&&strpos($fr[$scc],'@')>0 && !array_search($nc,$VK['dk'])) $VK['dk'][] = $sc;
if (isset($fr[$acc])&&strpos($fr[$acc],'@')>0 && !array_search($nc,$VK['dk'])) $VK['dk'][] = $ac;
}
$VK['keynum'] = sizeof($VK['normal']);
$VK['normal'] = $this->joinChars($VK['normal']);
$VK['alt'] = array_filter($VK['alt']);
$VK['alt'] = array_map(array($this,'joinChars'),$VK['alt']);
$VK['shift'] = array_filter($VK['shift']);
$VK['shift'] = array_map(array($this,'joinChars'),$VK['shift']);
$VK['dk'] = join("",$VK['dk']);
$add = realpath($this->root.$this->addon.$VK['code'].'.js');
if (file_exists($add)) {
$VK['addon'] = file_get_contents($add);
}
$add = realpath($this->root.$this->addon.$this->callback.preg_replace("/.+[\\/\\\\]+(.+)\\.klc$/i","\\1.js",$this->fname));
if (file_exists($add)) {
$VK['callback'] = trim(file_get_contents($add),"\r\n; ");
}
return $VK;
}
function joinChars ($a) {
return join("",array_map(create_function('$a','return false!==$a&&"-1"!=$a?$a:"\x03";'),$a));
}
}
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