PNG  IHDRxsBIT|d pHYs+tEXtSoftwarewww.inkscape.org<,tEXtComment File Manager

File Manager

Path: /opt/cloudlinux/alt-php53/root/usr/share/pear/Symfony/Component/Templating/

Viewing File: PhpEngine.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Templating;

use Symfony\Component\Templating\Storage\Storage;
use Symfony\Component\Templating\Storage\FileStorage;
use Symfony\Component\Templating\Storage\StringStorage;
use Symfony\Component\Templating\Helper\HelperInterface;
use Symfony\Component\Templating\Loader\LoaderInterface;

if (!defined('ENT_SUBSTITUTE')) {
    define('ENT_SUBSTITUTE', 8);
}

/**
 * PhpEngine is an engine able to render PHP templates.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class PhpEngine implements EngineInterface, \ArrayAccess
{
    protected $loader;
    protected $current;
    protected $helpers = array();
    protected $parents = array();
    protected $stack = array();
    protected $charset = 'UTF-8';
    protected $cache = array();
    protected $escapers = array();
    protected static $escaperCache = array();
    protected $globals = array();
    protected $parser;

    private $evalTemplate;
    private $evalParameters;

    /**
     * Constructor.
     *
     * @param TemplateNameParserInterface $parser  A TemplateNameParserInterface instance
     * @param LoaderInterface             $loader  A loader instance
     * @param HelperInterface[]           $helpers An array of helper instances
     */
    public function __construct(TemplateNameParserInterface $parser, LoaderInterface $loader, array $helpers = array())
    {
        $this->parser  = $parser;
        $this->loader  = $loader;

        $this->addHelpers($helpers);

        $this->initializeEscapers();
        foreach ($this->escapers as $context => $escaper) {
            $this->setEscaper($context, $escaper);
        }
    }

    /**
     * {@inheritdoc}
     *
     * @throws \InvalidArgumentException if the template does not exist
     *
     * @api
     */
    public function render($name, array $parameters = array())
    {
        $storage = $this->load($name);
        $key = hash('sha256', serialize($storage));
        $this->current = $key;
        $this->parents[$key] = null;

        // attach the global variables
        $parameters = array_replace($this->getGlobals(), $parameters);
        // render
        if (false === $content = $this->evaluate($storage, $parameters)) {
            throw new \RuntimeException(sprintf('The template "%s" cannot be rendered.', $this->parser->parse($name)));
        }

        // decorator
        if ($this->parents[$key]) {
            $slots = $this->get('slots');
            $this->stack[] = $slots->get('_content');
            $slots->set('_content', $content);

            $content = $this->render($this->parents[$key], $parameters);

            $slots->set('_content', array_pop($this->stack));
        }

        return $content;
    }

    /**
     * {@inheritdoc}
     *
     * @api
     */
    public function exists($name)
    {
        try {
            $this->load($name);
        } catch (\InvalidArgumentException $e) {
            return false;
        }

        return true;
    }

    /**
     * {@inheritdoc}
     *
     * @api
     */
    public function supports($name)
    {
        $template = $this->parser->parse($name);

        return 'php' === $template->get('engine');
    }

    /**
     * Evaluates a template.
     *
     * @param Storage $template   The template to render
     * @param array   $parameters An array of parameters to pass to the template
     *
     * @return string|false The evaluated template, or false if the engine is unable to render the template
     *
     * @throws \InvalidArgumentException
     */
    protected function evaluate(Storage $template, array $parameters = array())
    {
        $this->evalTemplate = $template;
        $this->evalParameters = $parameters;
        unset($template, $parameters);

        if (isset($this->evalParameters['this'])) {
            throw new \InvalidArgumentException('Invalid parameter (this)');
        }
        if (isset($this->evalParameters['view'])) {
            throw new \InvalidArgumentException('Invalid parameter (view)');
        }

        $view = $this;
        if ($this->evalTemplate instanceof FileStorage) {
            extract($this->evalParameters, EXTR_SKIP);
            $this->evalParameters = null;

            ob_start();
            require $this->evalTemplate;

            $this->evalTemplate = null;

            return ob_get_clean();
        } elseif ($this->evalTemplate instanceof StringStorage) {
            extract($this->evalParameters, EXTR_SKIP);
            $this->evalParameters = null;

            ob_start();
            eval('; ?>'.$this->evalTemplate.'<?php ;');

            $this->evalTemplate = null;

            return ob_get_clean();
        }

        return false;
    }

    /**
     * Gets a helper value.
     *
     * @param string $name The helper name
     *
     * @return HelperInterface The helper value
     *
     * @throws \InvalidArgumentException if the helper is not defined
     *
     * @api
     */
    public function offsetGet($name)
    {
        return $this->get($name);
    }

    /**
     * Returns true if the helper is defined.
     *
     * @param string $name The helper name
     *
     * @return Boolean true if the helper is defined, false otherwise
     *
     * @api
     */
    public function offsetExists($name)
    {
        return isset($this->helpers[$name]);
    }

    /**
     * Sets a helper.
     *
     * @param HelperInterface $name  The helper instance
     * @param string          $value An alias
     *
     * @api
     */
    public function offsetSet($name, $value)
    {
        $this->set($name, $value);
    }

    /**
     * Removes a helper.
     *
     * @param string $name The helper name
     *
     * @throws \LogicException
     *
     * @api
     */
    public function offsetUnset($name)
    {
        throw new \LogicException(sprintf('You can\'t unset a helper (%s).', $name));
    }

    /**
     * Adds some helpers.
     *
     * @param HelperInterface[] $helpers An array of helper
     *
     * @api
     */
    public function addHelpers(array $helpers)
    {
        foreach ($helpers as $alias => $helper) {
            $this->set($helper, is_int($alias) ? null : $alias);
        }
    }

    /**
     * Sets the helpers.
     *
     * @param HelperInterface[] $helpers An array of helper
     *
     * @api
     */
    public function setHelpers(array $helpers)
    {
        $this->helpers = array();
        $this->addHelpers($helpers);
    }

    /**
     * Sets a helper.
     *
     * @param HelperInterface $helper The helper instance
     * @param string          $alias  An alias
     *
     * @api
     */
    public function set(HelperInterface $helper, $alias = null)
    {
        $this->helpers[$helper->getName()] = $helper;
        if (null !== $alias) {
            $this->helpers[$alias] = $helper;
        }

        $helper->setCharset($this->charset);
    }

    /**
     * Returns true if the helper if defined.
     *
     * @param string $name The helper name
     *
     * @return Boolean true if the helper is defined, false otherwise
     *
     * @api
     */
    public function has($name)
    {
        return isset($this->helpers[$name]);
    }

    /**
     * Gets a helper value.
     *
     * @param string $name The helper name
     *
     * @return HelperInterface The helper instance
     *
     * @throws \InvalidArgumentException if the helper is not defined
     *
     * @api
     */
    public function get($name)
    {
        if (!isset($this->helpers[$name])) {
            throw new \InvalidArgumentException(sprintf('The helper "%s" is not defined.', $name));
        }

        return $this->helpers[$name];
    }

    /**
     * Decorates the current template with another one.
     *
     * @param string $template The decorator logical name
     *
     * @api
     */
    public function extend($template)
    {
        $this->parents[$this->current] = $template;
    }

    /**
     * Escapes a string by using the current charset.
     *
     * @param mixed  $value   A variable to escape
     * @param string $context The context name
     *
     * @return string The escaped value
     *
     * @api
     */
    public function escape($value, $context = 'html')
    {
        if (is_numeric($value)) {
            return $value;
        }

        // If we deal with a scalar value, we can cache the result to increase
        // the performance when the same value is escaped multiple times (e.g. loops)
        if (is_scalar($value)) {
            if (!isset(self::$escaperCache[$context][$value])) {
                self::$escaperCache[$context][$value] = call_user_func($this->getEscaper($context), $value);
            }

            return self::$escaperCache[$context][$value];
        }

        return call_user_func($this->getEscaper($context), $value);
    }

    /**
     * Sets the charset to use.
     *
     * @param string $charset The charset
     *
     * @api
     */
    public function setCharset($charset)
    {
        $this->charset = $charset;
    }

    /**
     * Gets the current charset.
     *
     * @return string The current charset
     *
     * @api
     */
    public function getCharset()
    {
        return $this->charset;
    }

    /**
     * Adds an escaper for the given context.
     *
     * @param string $context The escaper context (html, js, ...)
     * @param mixed  $escaper A PHP callable
     *
     * @api
     */
    public function setEscaper($context, $escaper)
    {
        $this->escapers[$context] = $escaper;
        self::$escaperCache[$context] = array();
    }

    /**
     * Gets an escaper for a given context.
     *
     * @param string $context The context name
     *
     * @return mixed  $escaper A PHP callable
     *
     * @throws \InvalidArgumentException
     *
     * @api
     */
    public function getEscaper($context)
    {
        if (!isset($this->escapers[$context])) {
            throw new \InvalidArgumentException(sprintf('No registered escaper for context "%s".', $context));
        }

        return $this->escapers[$context];
    }

    /**
     * @param string $name
     * @param mixed  $value
     *
     * @api
     */
    public function addGlobal($name, $value)
    {
        $this->globals[$name] = $value;
    }

    /**
     * Returns the assigned globals.
     *
     * @return array
     *
     * @api
     */
    public function getGlobals()
    {
        return $this->globals;
    }

    /**
     * Initializes the built-in escapers.
     *
     * Each function specifies a way for applying a transformation to a string
     * passed to it. The purpose is for the string to be "escaped" so it is
     * suitable for the format it is being displayed in.
     *
     * For example, the string: "It's required that you enter a username & password.\n"
     * If this were to be displayed as HTML it would be sensible to turn the
     * ampersand into '&amp;' and the apostrophe into '&aps;'. However if it were
     * going to be used as a string in JavaScript to be displayed in an alert box
     * it would be right to leave the string as-is, but c-escape the apostrophe and
     * the new line.
     *
     * For each function there is a define to avoid problems with strings being
     * incorrectly specified.
     */
    protected function initializeEscapers()
    {
        $that = $this;

        $this->escapers = array(
            'html' =>
                /**
                 * Runs the PHP function htmlspecialchars on the value passed.
                 *
                 * @param string $value the value to escape
                 *
                 * @return string the escaped value
                 */
                function ($value) use ($that) {
                    // Numbers and Boolean values get turned into strings which can cause problems
                    // with type comparisons (e.g. === or is_int() etc).
                    return is_string($value) ? htmlspecialchars($value, ENT_QUOTES | ENT_SUBSTITUTE, $that->getCharset(), false) : $value;
                },

            'js' =>
                /**
                 * A function that escape all non-alphanumeric characters
                 * into their \xHH or \uHHHH representations
                 *
                 * @param string $value the value to escape
                 * @return string the escaped value
                 */
                function ($value) use ($that) {
                    if ('UTF-8' != $that->getCharset()) {
                        $value = $that->convertEncoding($value, 'UTF-8', $that->getCharset());
                    }

                    $callback = function ($matches) use ($that) {
                        $char = $matches[0];

                        // \xHH
                        if (!isset($char[1])) {
                            return '\\x'.substr('00'.bin2hex($char), -2);
                        }

                        // \uHHHH
                        $char = $that->convertEncoding($char, 'UTF-16BE', 'UTF-8');

                        return '\\u'.substr('0000'.bin2hex($char), -4);
                    };

                    if (null === $value = preg_replace_callback('#[^\p{L}\p{N} ]#u', $callback, $value)) {
                        throw new \InvalidArgumentException('The string to escape is not a valid UTF-8 string.');
                    }

                    if ('UTF-8' != $that->getCharset()) {
                        $value = $that->convertEncoding($value, $that->getCharset(), 'UTF-8');
                    }

                    return $value;
                },
        );

        self::$escaperCache = array();
    }

    /**
     * Convert a string from one encoding to another.
     *
     * @param string $string The string to convert
     * @param string $to     The input encoding
     * @param string $from   The output encoding
     *
     * @return string The string with the new encoding
     *
     * @throws \RuntimeException if no suitable encoding function is found (iconv or mbstring)
     */
    public function convertEncoding($string, $to, $from)
    {
        if (function_exists('mb_convert_encoding')) {
            return mb_convert_encoding($string, $to, $from);
        } elseif (function_exists('iconv')) {
            return iconv($from, $to, $string);
        }

        throw new \RuntimeException('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).');
    }

    /**
     * Gets the loader associated with this engine.
     *
     * @return LoaderInterface A LoaderInterface instance
     */
    public function getLoader()
    {
        return $this->loader;
    }

    /**
     * Loads the given template.
     *
     * @param string|TemplateReferenceInterface $name A template name or a TemplateReferenceInterface instance
     *
     * @return Storage A Storage instance
     *
     * @throws \InvalidArgumentException if the template cannot be found
     */
    protected function load($name)
    {
        $template = $this->parser->parse($name);

        $key = $template->getLogicalName();
        if (isset($this->cache[$key])) {
            return $this->cache[$key];
        }

        $storage = $this->loader->load($template);

        if (false === $storage) {
            throw new \InvalidArgumentException(sprintf('The template "%s" does not exist.', $template));
        }

        return $this->cache[$key] = $storage;
    }
}
b IDATxytVսϓ22 A@IR :hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-EIENT ;@xT.i%-X}SvS5.r/UHz^_$-W"w)Ɗ/@Z &IoX P$K}JzX:;` &, ŋui,e6mX ԵrKb1ԗ)DADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADA݀!I*]R;I2$eZ#ORZSrr6mteffu*((Pu'v{DIߔ4^pIm'77WEEE;vƎ4-$]'RI{\I&G :IHJ DWBB=\WR޽m o$K(V9ABB.}jѢv`^?IOȅ} ڶmG}T#FJ`56$-ھ}FI&v;0(h;Б38CӧOWf!;A i:F_m9s&|q%=#wZprrrla A &P\\СC[A#! {olF} `E2}MK/vV)i{4BffV\|ۭX`b@kɶ@%i$K z5zhmX[IXZ` 'b%$r5M4º/l ԃߖxhʔ)[@=} K6IM}^5k㏷݆z ΗÿO:gdGBmyT/@+Vɶ纽z񕏵l.y޴it뭷zV0[Y^>Wsqs}\/@$(T7f.InݺiR$푔n.~?H))\ZRW'Mo~v Ov6oԃxz! S,&xm/yɞԟ?'uaSѽb,8GלKboi&3t7Y,)JJ c[nzӳdE&KsZLӄ I?@&%ӟ۶mSMMњ0iؐSZ,|J+N ~,0A0!5%Q-YQQa3}$_vVrf9f?S8`zDADADADADADADADADAdqP,تmMmg1V?rSI꒟]u|l RCyEf٢9 jURbztѰ!m5~tGj2DhG*{H9)꒟ר3:(+3\?/;TUݭʴ~S6lڧUJ*i$d(#=Yݺd{,p|3B))q:vN0Y.jkק6;SɶVzHJJЀ-utѹսk>QUU\޲~]fFnK?&ߡ5b=z9)^|u_k-[y%ZNU6 7Mi:]ۦtk[n X(e6Bb."8cۭ|~teuuw|ήI-5"~Uk;ZicEmN/:]M> cQ^uiƞ??Ңpc#TUU3UakNwA`:Y_V-8.KKfRitv޲* 9S6ֿj,ՃNOMߤ]z^fOh|<>@Å5 _/Iu?{SY4hK/2]4%it5q]GGe2%iR| W&f*^]??vq[LgE_3f}Fxu~}qd-ږFxu~I N>\;͗O֊:̗WJ@BhW=y|GgwܷH_NY?)Tdi'?խwhlmQi !SUUsw4kӺe4rfxu-[nHtMFj}H_u~w>)oV}(T'ebʒv3_[+vn@Ȭ\S}ot}w=kHFnxg S 0eޢm~l}uqZfFoZuuEg `zt~? b;t%>WTkķh[2eG8LIWx,^\thrl^Ϊ{=dž<}qV@ ⠨Wy^LF_>0UkDuʫuCs$)Iv:IK;6ֲ4{^6եm+l3>݆uM 9u?>Zc }g~qhKwڭeFMM~pМuqǿz6Tb@8@Y|jx](^]gf}M"tG -w.@vOqh~/HII`S[l.6nØXL9vUcOoB\xoǤ'T&IǍQw_wpv[kmO{w~>#=P1Pɞa-we:iǏlHo׈꒟f9SzH?+shk%Fs:qVhqY`jvO'ρ?PyX3lх]˾uV{ݞ]1,MzYNW~̈́ joYn}ȚF߾׮mS]F z+EDxm/d{F{-W-4wY듏:??_gPf ^3ecg ҵs8R2מz@TANGj)}CNi/R~}c:5{!ZHӋӾ6}T]G]7W6^n 9*,YqOZj:P?Q DFL|?-^.Ɵ7}fFh׶xe2Pscz1&5\cn[=Vn[ĶE鎀uˌd3GII k;lNmشOuuRVfBE]ۣeӶu :X-[(er4~LHi6:Ѻ@ԅrST0trk%$Č0ez" *z"T/X9|8.C5Feg}CQ%͞ˣJvL/?j^h&9xF`њZ(&yF&Iݻfg#W;3^{Wo^4'vV[[K';+mӍִ]AC@W?1^{එyh +^]fm~iԵ]AB@WTk̏t uR?l.OIHiYyԶ]Aˀ7c:q}ힽaf6Z~қm(+sK4{^6}T*UUu]n.:kx{:2 _m=sAߤU@?Z-Vކеz왍Nэ{|5 pڶn b p-@sPg]0G7fy-M{GCF'%{4`=$-Ge\ eU:m+Zt'WjO!OAF@ik&t݆ϥ_ e}=]"Wz_.͜E3leWFih|t-wZۍ-uw=6YN{6|} |*={Ѽn.S.z1zjۻTH]흾 DuDvmvK.`V]yY~sI@t?/ϓ. m&["+P?MzovVЫG3-GRR[(!!\_,^%?v@ҵő m`Y)tem8GMx.))A]Y i`ViW`?^~!S#^+ѽGZj?Vģ0.))A꨷lzL*]OXrY`DBBLOj{-MH'ii-ϰ ok7^ )쭡b]UXSְmռY|5*cֽk0B7镹%ڽP#8nȎq}mJr23_>lE5$iwui+ H~F`IjƵ@q \ @#qG0".0" l`„.0! ,AQHN6qzkKJ#o;`Xv2>,tێJJ7Z/*A .@fفjMzkg @TvZH3Zxu6Ra'%O?/dQ5xYkU]Rֽkق@DaS^RSּ5|BeHNN͘p HvcYcC5:y #`οb;z2.!kr}gUWkyZn=f Pvsn3p~;4p˚=ē~NmI] ¾ 0lH[_L hsh_ғߤc_њec)g7VIZ5yrgk̞W#IjӪv>՞y睝M8[|]\շ8M6%|@PZڨI-m>=k='aiRo-x?>Q.}`Ȏ:Wsmu u > .@,&;+!!˱tﭧDQwRW\vF\~Q7>spYw$%A~;~}6¾ g&if_=j,v+UL1(tWake:@Ș>j$Gq2t7S?vL|]u/ .(0E6Mk6hiۺzښOrifޱxm/Gx> Lal%%~{lBsR4*}{0Z/tNIɚpV^#Lf:u@k#RSu =S^ZyuR/.@n&΃z~B=0eg뺆#,Þ[B/?H uUf7y Wy}Bwegל`Wh(||`l`.;Ws?V@"c:iɍL֯PGv6zctM̠':wuW;d=;EveD}9J@B(0iհ bvP1{\P&G7D޴Iy_$-Qjm~Yrr&]CDv%bh|Yzni_ˆR;kg}nJOIIwyuL}{ЌNj}:+3Y?:WJ/N+Rzd=hb;dj͒suݔ@NKMԄ jqzC5@y°hL m;*5ezᕏ=ep XL n?מ:r`۵tŤZ|1v`V뽧_csج'ߤ%oTuumk%%%h)uy]Nk[n 'b2 l.=͜E%gf$[c;s:V-͞WߤWh-j7]4=F-X]>ZLSi[Y*We;Zan(ӇW|e(HNNP5[= r4tP &0<pc#`vTNV GFqvTi*Tyam$ߏWyE*VJKMTfFw>'$-ؽ.Ho.8c"@DADADADADADADADADA~j*֘,N;Pi3599h=goضLgiJ5փy~}&Zd9p֚ e:|hL``b/d9p? fgg+%%hMgXosج, ΩOl0Zh=xdjLmhݻoO[g_l,8a]٭+ӧ0$I]c]:粹:Teꢢ"5a^Kgh,&= =՟^߶“ߢE ܹS J}I%:8 IDAT~,9/ʃPW'Mo}zNƍ쨓zPbNZ~^z=4mswg;5 Y~SVMRXUյڱRf?s:w ;6H:ºi5-maM&O3;1IKeamZh͛7+##v+c ~u~ca]GnF'ټL~PPPbn voC4R,ӟgg %hq}@#M4IÇ Oy^xMZx ) yOw@HkN˖-Sǎmb]X@n+i͖!++K3gd\$mt$^YfJ\8PRF)77Wא!Cl$i:@@_oG I{$# 8磌ŋ91A (Im7֭>}ߴJq7ޗt^ -[ԩSj*}%]&' -ɓ'ꫯVzzvB#;a 7@GxI{j޼ƌ.LÇWBB7`O"I$/@R @eee@۷>}0,ɒ2$53Xs|cS~rpTYYY} kHc %&k.], @ADADADADADADADADA@lT<%''*Lo^={رc5h %$+CnܸQ3fҥK}vUVVs9G R,_{xˇ3o߾;TTTd}馛]uuuG~iԩ@4bnvmvfϞ /Peeeq}}za I~,誫{UWW뮻}_~YƍSMMMYχ֝waw\ďcxꩧtEƍկ_?۷5@u?1kNׯWzz/wy>}zj3 k(ٺuq_Zvf̘:~ ABQ&r|!%KҥKgԞ={<_X-z !CyFUUz~ ABQIIIjݺW$UXXDٳZ~ ABQƍecW$<(~<RSSvZujjjԧOZQu@4 8m&&&jԩg$ď1h ͟?_{768@g =@`)))5o6m3)ѣƌJ;wҿUTT /KZR{~a=@0o<*狔iFɶ[ˎ;T]]OX@?K.ۈxN pppppppppppppppppPfl߾] ,{ァk۶mڿo5BTӦMӴiӴ|r DB2e|An!Dy'tkΝ[A $***t5' "!駟oaDnΝ:t֭[gDШQ06qD;@ x M6v(PiizmZ4ew"@̴ixf [~-Fٱc&IZ2|n!?$@{[HTɏ#@hȎI# _m(F /6Z3z'\r,r!;w2Z3j=~GY7"I$iI.p_"?pN`y DD?: _  Gÿab7J !Bx@0 Bo cG@`1C[@0G @`0C_u V1 aCX>W ` | `!<S `"<. `#c`?cAC4 ?c p#~@0?:08&_MQ1J h#?/`7;I  q 7a wQ A 1 Hp !#<8/#@1Ul7=S=K.4Z?E_$i@!1!E4?`P_  @Bă10#: "aU,xbFY1 [n|n #'vEH:`xb #vD4Y hi.i&EΖv#O H4IŶ}:Ikh @tZRF#(tXҙzZ ?I3l7q@õ|ۍ1,GpuY Ꮿ@hJv#xxk$ v#9 5 }_$c S#=+"K{F*m7`#%H:NRSp6I?sIՖ{Ap$I$I:QRv2$Z @UJ*$]<FO4IENDB`