TemplateHelper::getCloner() - Code Metrics - Inspection of "Fixes 419" - filp/whoops - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#420)

by Daniel

created 2016-06-02 16:05 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)
            if (class_exists('Symfony\Component\VarDumper\Caster\Caster')) {
                $cloner = $this->getCloner()->cloneVar($value, Caster::EXCLUDE_VERBOSE);
            // Symfony VarDumper 2.6 Caster class dont exist.
            } else {
                $cloner = $this->getCloner()->cloneVar($value);
            }

            $dumper->dump(
                $cloner,
                $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		if (class_exists('Symfony\Component\VarDumper\Caster\Caster')) {
123		$cloner = $this->getCloner()->cloneVar($value, Caster::EXCLUDE_VERBOSE);
124		// Symfony VarDumper 2.6 Caster class dont exist.
125		} else {
126		$cloner = $this->getCloner()->cloneVar($value);
127		}
128
129		$dumper->dump(
130		$cloner,
131		$this->htmlDumperOutput
132		);
133
134		$output = $this->htmlDumperOutput->getOutput();
135		$this->htmlDumperOutput->clear();
136
137		return $output;
138		}
139
140		return print_r($value, true);
141		}
142
143		/**
144		* Format the args of the given Frame as a human readable html string
145		*
146		* @param Frame $frame
147		* @return string the rendered html
148		*/
149		public function dumpArgs(Frame $frame)
150		{
151		// we support frame args only when the optional dumper is available
152		if (!$this->getDumper()) {
153		return '';
154		}
155
156		$html = '';
157		$numFrames = count($frame->getArgs());
158
159		if ($numFrames > 0) {
160		$html = '<ol class="linenums">';
161		foreach($frame->getArgs() as $j => $frameArg) {
162		$html .= '<li>'. $this->dump($frameArg) .'</li>';
163		}
164		$html .= '</ol>';
165		}
166
167		return $html;
168		}
169
170		/**
171		* Convert a string to a slug version of itself
172		*
173		* @param string $original
174		* @return string
175		*/
176	1	public function slug($original)
177		{
178	1	$slug = str_replace(" ", "-", $original);
179	1	$slug = preg_replace('/[^\w\d\-\_]/i', '', $slug);
180	1	return strtolower($slug);
181		}
182
183		/**
184		* Given a template path, render it within its own scope. This
185		* method also accepts an array of additional variables to be
186		* passed to the template.
187		*
188		* @param string $template
189		* @param array $additionalVariables
190		*/
191	1	public function render($template, array $additionalVariables = null)
192		{
193	1	$variables = $this->getVariables();
194
195		// Pass the helper to the template:
196	1	$variables["tpl"] = $this;
197
198	1	if ($additionalVariables !== null) {
199	1	$variables = array_replace($variables, $additionalVariables);
200	1	}
201
202	1	call_user_func(function () {
203	1	extract(func_get_arg(1));
		0 ignored issues – show Bug introduced 2015-11-22 11:16 UTC by Report Bug Copy Issue Report `func_get_arg(1)` cannot be passed to `extract()` as the parameter `$var_array` expects a reference. Loading history...
204	1	require func_get_arg(0);
205	1	}, $template, $variables);
206	1	}
207
208		/**
209		* Sets the variables to be passed to all templates rendered
210		* by this template helper.
211		*
212		* @param array $variables
213		*/
214	1	public function setVariables(array $variables)
215		{
216	1	$this->variables = $variables;
217	1	}
218
219		/**
220		* Sets a single template variable, by its name:
221		*
222		* @param string $variableName
223		* @param mixd $variableValue
224		*/
225	1	public function setVariable($variableName, $variableValue)
226		{
227	1	$this->variables[$variableName] = $variableValue;
228	1	}
229
230		/**
231		* Gets a single template variable, by its name, or
232		* $defaultValue if the variable does not exist
233		*
234		* @param string $variableName
235		* @param mixed $defaultValue
236		* @return mixed
237		*/
238	1	public function getVariable($variableName, $defaultValue = null)
239		{
240	1	return isset($this->variables[$variableName]) ?
241	1	$this->variables[$variableName] : $defaultValue;
242		}
243
244		/**
245		* Unsets a single template variable, by its name
246		*
247		* @param string $variableName
248		*/
249	1	public function delVariable($variableName)
250		{
251	1	unset($this->variables[$variableName]);
252	1	}
253
254		/**
255		* Returns all variables for this helper
256		*
257		* @return array
258		*/
259	1	public function getVariables()
260		{
261	1	return $this->variables;
262		}
263
264		/**
265		* Set the cloner used for dumping variables.
266		*
267		* @param AbstractCloner $cloner
268		*/
269		public function setCloner($cloner)
270		{
271		$this->cloner = $cloner;
272		}
273
274		/**
275		* Get the cloner used for dumping variables.
276		*
277		* @return AbstractCloner
278		*/
279		public function getCloner()
280		{
281		if (!$this->cloner) {
282		$this->cloner = new VarCloner();
283		}
284		return $this->cloner;
285		}
286		}
287

filp / whoops

Pull Request — master (#420)

TemplateHelper::getCloner() A

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