TemplateHelper::getCloner() - Code Metrics - Inspection of "Merge pull request #404 from jonasdt/remove-intern..." - filp/whoops - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 2cc253...afab26 )

by Denis

created 2016-04-05 18:46 UTC

TemplateHelper::getCloner() A

↳ Parent: TemplateHelper

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	7
ccs	0
cts	5
cp	0
rs	9.4285
cc	2
eloc	4
nc	2
nop	0
crap	6

<?php
/**
 * Whoops - php errors for cool kids
 * @author Filipe Dobreira <http://github.com/filp>
 */

namespace Whoops\Util;

use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Cloner\AbstractCloner;
use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\HtmlDumper;
use Whoops\Exception\Frame;

/**
 * Exposes useful tools for working with/in templates
 */
class TemplateHelper
{
    /**
     * An array of variables to be passed to all templates
     * @var array
     */
    private $variables = array();

    /**
     * @var HtmlDumper
     */
    private $htmlDumper;

    /**
     * @var HtmlDumperOutput
     */
    private $htmlDumperOutput;

    /**
     * @var AbstractCloner
     */
    private $cloner;

    /**
     * Escapes a string for output in an HTML document
     *
     * @param  string $raw
     * @return string
     */
    public function escape($raw)
    {
        $flags = ENT_QUOTES;

        // HHVM has all constants defined, but only ENT_IGNORE
        // works at the moment
        if (defined("ENT_SUBSTITUTE") && !defined("HHVM_VERSION")) {
            $flags |= ENT_SUBSTITUTE;
        } else {
            // This is for 5.3.
            // The documentation warns of a potential security issue,
            // but it seems it does not apply in our case, because
            // we do not blacklist anything anywhere.
            $flags |= ENT_IGNORE;
        }

        return htmlspecialchars($raw, $flags, "UTF-8");
    }

    /**
     * Escapes a string for output in an HTML document, but preserves
     * URIs within it, and converts them to clickable anchor elements.
     *
     * @param  string $raw
     * @return string
     */
    public function escapeButPreserveUris($raw)
    {
        $escaped = $this->escape($raw);
        return preg_replace(
            "@([A-z]+?://([-\w\.]+[-\w])+(:\d+)?(/([\w/_\.#-]*(\?\S+)?[^\.\s])?)?)@",
            "<a href=\"$1\" target=\"_blank\">$1</a>", $escaped
        );
    }

    private function getDumper()
    {
        if (!$this->htmlDumper && class_exists('Symfony\Component\VarDumper\Cloner\VarCloner')) {
            $this->htmlDumperOutput = new HtmlDumperOutput();
            // re-use the same var-dumper instance, so it won't re-render the global styles/scripts on each dump.
            $this->htmlDumper = new HtmlDumper($this->htmlDumperOutput);

            $styles = array(
                'default' => 'color:#FFFFFF; line-height:normal; font:12px "Inconsolata", "Fira Mono", "Source Code Pro", Monaco, Consolas, "Lucida Console", monospace !important; word-wrap: break-word; white-space: pre-wrap; position:relative; z-index:99999; word-break: normal',
                'num' => 'color:#BCD42A',
                'const' => 'color: #4bb1b1;',
                'str' => 'color:#BCD42A',
                'note' => 'color:#ef7c61',
                'ref' => 'color:#A0A0A0',
                'public' => 'color:#FFFFFF',
                'protected' => 'color:#FFFFFF',
                'private' => 'color:#FFFFFF',
                'meta' => 'color:#FFFFFF',
                'key' => 'color:#BCD42A',
                'index' => 'color:#ef7c61',
            );
            $this->htmlDumper->setStyles($styles);
        }

        return $this->htmlDumper;
    }

    /**
     * Format the given value into a human readable string.
     *
     * @param  mixed $value
     * @return string
     */
    public function dump($value)
    {
        $dumper = $this->getDumper();

        if ($dumper) {
            // re-use the same DumpOutput instance, so it won't re-render the global styles/scripts on each dump.
            // exclude verbose information (e.g. exception stack traces)
            $dumper->dump(
                $this->getCloner()->cloneVar($value, Caster::EXCLUDE_VERBOSE),
                $this->htmlDumperOutput
            );

            $output = $this->htmlDumperOutput->getOutput();
            $this->htmlDumperOutput->clear();

            return $output;
        }

        return print_r($value, true);
    }

    /**
     * Format the args of the given Frame as a human readable html string
     *
     * @param  Frame $frame
     * @return string the rendered html
     */
    public function dumpArgs(Frame $frame)
    {
        // we support frame args only when the optional dumper is available
        if (!$this->getDumper()) {
            return '';
        }

        $html = '';
        $numFrames = count($frame->getArgs());

        if ($numFrames > 0) {
            $html = '<ol class="linenums">';
            foreach($frame->getArgs() as $j => $frameArg) {
                $html .= '<li>'. $this->dump($frameArg) .'</li>';
            }
            $html .= '</ol>';
        }

        return $html;
    }

    /**
     * Convert a string to a slug version of itself
     *
     * @param  string $original
     * @return string
     */
    public function slug($original)
    {
        $slug = str_replace(" ", "-", $original);
        $slug = preg_replace('/[^\w\d\-\_]/i', '', $slug);
        return strtolower($slug);
    }

    /**
     * Given a template path, render it within its own scope. This
     * method also accepts an array of additional variables to be
     * passed to the template.
     *
     * @param string $template
     * @param array  $additionalVariables
     */
    public function render($template, array $additionalVariables = null)
    {
        $variables = $this->getVariables();

        // Pass the helper to the template:
        $variables["tpl"] = $this;

        if ($additionalVariables !== null) {
            $variables = array_replace($variables, $additionalVariables);
        }

        call_user_func(function () {
            extract(func_get_arg(1));

            require func_get_arg(0);
        }, $template, $variables);
    }

    /**
     * Sets the variables to be passed to all templates rendered
     * by this template helper.
     *
     * @param array $variables
     */
    public function setVariables(array $variables)
    {
        $this->variables = $variables;
    }

    /**
     * Sets a single template variable, by its name:
     *
     * @param string $variableName
     * @param mixd   $variableValue
     */
    public function setVariable($variableName, $variableValue)
    {
        $this->variables[$variableName] = $variableValue;
    }

    /**
     * Gets a single template variable, by its name, or
     * $defaultValue if the variable does not exist
     *
     * @param  string $variableName
     * @param  mixed  $defaultValue
     * @return mixed
     */
    public function getVariable($variableName, $defaultValue = null)
    {
        return isset($this->variables[$variableName]) ?
            $this->variables[$variableName] : $defaultValue;
    }

    /**
     * Unsets a single template variable, by its name
     *
     * @param string $variableName
     */
    public function delVariable($variableName)
    {
        unset($this->variables[$variableName]);
    }

    /**
     * Returns all variables for this helper
     *
     * @return array
     */
    public function getVariables()
    {
        return $this->variables;
    }

    /**
     * Set the cloner used for dumping variables.
     *
     * @param AbstractCloner $cloner
     */
    public function setCloner($cloner)
    {
        $this->cloner = $cloner;
    }

    /**
     * Get the cloner used for dumping variables.
     *
     * @return AbstractCloner
     */
    public function getCloner()
    {
        if (!$this->cloner) {
            $this->cloner = new VarCloner();
        }
        return $this->cloner;
    }
}


1		<?php
2		/**
3		* Whoops - php errors for cool kids
4		* @author Filipe Dobreira <http://github.com/filp>
5		*/
6
7		namespace Whoops\Util;
8
9		use Symfony\Component\VarDumper\Caster\Caster;
10		use Symfony\Component\VarDumper\Cloner\AbstractCloner;
11		use Symfony\Component\VarDumper\Cloner\VarCloner;
12		use Symfony\Component\VarDumper\Dumper\HtmlDumper;
13		use Whoops\Exception\Frame;
14
15		/**
16		* Exposes useful tools for working with/in templates
17		*/
18		class TemplateHelper
19		{
20		/**
21		* An array of variables to be passed to all templates
22		* @var array
23		*/
24		private $variables = array();
25
26		/**
27		* @var HtmlDumper
28		*/
29		private $htmlDumper;
30
31		/**
32		* @var HtmlDumperOutput
33		*/
34		private $htmlDumperOutput;
35
36		/**
37		* @var AbstractCloner
38		*/
39		private $cloner;
40
41		/**
42		* Escapes a string for output in an HTML document
43		*
44		* @param string $raw
45		* @return string
46		*/
47	2	public function escape($raw)
48		{
49	2	$flags = ENT_QUOTES;
50
51		// HHVM has all constants defined, but only ENT_IGNORE
52		// works at the moment
53	2	if (defined("ENT_SUBSTITUTE") && !defined("HHVM_VERSION")) {
54	2	$flags \|= ENT_SUBSTITUTE;
55	2	} else {
56		// This is for 5.3.
57		// The documentation warns of a potential security issue,
58		// but it seems it does not apply in our case, because
59		// we do not blacklist anything anywhere.
60		$flags \|= ENT_IGNORE;
61		}
62
63	2	return htmlspecialchars($raw, $flags, "UTF-8");
64		}
65
66		/**
67		* Escapes a string for output in an HTML document, but preserves
68		* URIs within it, and converts them to clickable anchor elements.
69		*
70		* @param string $raw
71		* @return string
72		*/
73	1	public function escapeButPreserveUris($raw)
74		{
75	1	$escaped = $this->escape($raw);
76	1	return preg_replace(
77	1	"@([A-z]+?://([-\w\.]+[-\w])+(:\d+)?(/([\w/_\.#-]*(\?\S+)?[^\.\s])?)?)@",
78	1	"<a href=\"$1\" target=\"_blank\">$1</a>", $escaped
79	1	);
80		}
81
82		private function getDumper()
83		{
84		if (!$this->htmlDumper && class_exists('Symfony\Component\VarDumper\Cloner\VarCloner')) {
85		$this->htmlDumperOutput = new HtmlDumperOutput();
86		// re-use the same var-dumper instance, so it won't re-render the global styles/scripts on each dump.
87		$this->htmlDumper = new HtmlDumper($this->htmlDumperOutput);
88
89		$styles = array(
90		'default' => 'color:#FFFFFF; line-height:normal; font:12px "Inconsolata", "Fira Mono", "Source Code Pro", Monaco, Consolas, "Lucida Console", monospace !important; word-wrap: break-word; white-space: pre-wrap; position:relative; z-index:99999; word-break: normal',
91		'num' => 'color:#BCD42A',
92		'const' => 'color: #4bb1b1;',
93		'str' => 'color:#BCD42A',
94		'note' => 'color:#ef7c61',
95		'ref' => 'color:#A0A0A0',
96		'public' => 'color:#FFFFFF',
97		'protected' => 'color:#FFFFFF',
98		'private' => 'color:#FFFFFF',
99		'meta' => 'color:#FFFFFF',
100		'key' => 'color:#BCD42A',
101		'index' => 'color:#ef7c61',
102		);
103		$this->htmlDumper->setStyles($styles);
104		}
105
106		return $this->htmlDumper;
107		}
108
109		/**
110		* Format the given value into a human readable string.
111		*
112		* @param mixed $value
113		* @return string
114		*/
115		public function dump($value)
116		{
117		$dumper = $this->getDumper();
118
119		if ($dumper) {
120		// re-use the same DumpOutput instance, so it won't re-render the global styles/scripts on each dump.
121		// exclude verbose information (e.g. exception stack traces)
122		$dumper->dump(
123		$this->getCloner()->cloneVar($value, Caster::EXCLUDE_VERBOSE),
124		$this->htmlDumperOutput
125		);
126
127		$output = $this->htmlDumperOutput->getOutput();
128		$this->htmlDumperOutput->clear();
129
130		return $output;
131		}
132
133		return print_r($value, true);
134		}
135
136		/**
137		* Format the args of the given Frame as a human readable html string
138		*
139		* @param Frame $frame
140		* @return string the rendered html
141		*/
142		public function dumpArgs(Frame $frame)
143		{
144		// we support frame args only when the optional dumper is available
145		if (!$this->getDumper()) {
146		return '';
147		}
148
149		$html = '';
150		$numFrames = count($frame->getArgs());
151
152		if ($numFrames > 0) {
153		$html = '<ol class="linenums">';
154		foreach($frame->getArgs() as $j => $frameArg) {
155		$html .= '<li>'. $this->dump($frameArg) .'</li>';
156		}
157		$html .= '</ol>';
158		}
159
160		return $html;
161		}
162
163		/**
164		* Convert a string to a slug version of itself
165		*
166		* @param string $original
167		* @return string
168		*/
169	1	public function slug($original)
170		{
171	1	$slug = str_replace(" ", "-", $original);
172	1	$slug = preg_replace('/[^\w\d\-\_]/i', '', $slug);
173	1	return strtolower($slug);
174		}
175
176		/**
177		* Given a template path, render it within its own scope. This
178		* method also accepts an array of additional variables to be
179		* passed to the template.
180		*
181		* @param string $template
182		* @param array $additionalVariables
183		*/
184	1	public function render($template, array $additionalVariables = null)
185		{
186	1	$variables = $this->getVariables();
187
188		// Pass the helper to the template:
189	1	$variables["tpl"] = $this;
190
191	1	if ($additionalVariables !== null) {
192	1	$variables = array_replace($variables, $additionalVariables);
193	1	}
194
195	1	call_user_func(function () {
196	1	extract(func_get_arg(1));
		0 ignored issues – show Bug introduced 2015-11-22 11:16 UTC by Report Bug Copy Issue Report `func_get_arg(1)` cannot be passed to `extract()` as the parameter `$var_array` expects a reference. Loading history...
197	1	require func_get_arg(0);
198	1	}, $template, $variables);
199	1	}
200
201		/**
202		* Sets the variables to be passed to all templates rendered
203		* by this template helper.
204		*
205		* @param array $variables
206		*/
207	1	public function setVariables(array $variables)
208		{
209	1	$this->variables = $variables;
210	1	}
211
212		/**
213		* Sets a single template variable, by its name:
214		*
215		* @param string $variableName
216		* @param mixd $variableValue
217		*/
218	1	public function setVariable($variableName, $variableValue)
219		{
220	1	$this->variables[$variableName] = $variableValue;
221	1	}
222
223		/**
224		* Gets a single template variable, by its name, or
225		* $defaultValue if the variable does not exist
226		*
227		* @param string $variableName
228		* @param mixed $defaultValue
229		* @return mixed
230		*/
231	1	public function getVariable($variableName, $defaultValue = null)
232		{
233	1	return isset($this->variables[$variableName]) ?
234	1	$this->variables[$variableName] : $defaultValue;
235		}
236
237		/**
238		* Unsets a single template variable, by its name
239		*
240		* @param string $variableName
241		*/
242	1	public function delVariable($variableName)
243		{
244	1	unset($this->variables[$variableName]);
245	1	}
246
247		/**
248		* Returns all variables for this helper
249		*
250		* @return array
251		*/
252	1	public function getVariables()
253		{
254	1	return $this->variables;
255		}
256
257		/**
258		* Set the cloner used for dumping variables.
259		*
260		* @param AbstractCloner $cloner
261		*/
262		public function setCloner($cloner)
263		{
264		$this->cloner = $cloner;
265		}
266
267		/**
268		* Get the cloner used for dumping variables.
269		*
270		* @return AbstractCloner
271		*/
272		public function getCloner()
273		{
274		if (!$this->cloner) {
275		$this->cloner = new VarCloner();
276		}
277		return $this->cloner;
278		}
279		}
280

filp / whoops

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TemplateHelper::getCloner() A

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