TemplateHelper::getDumper() - Code Metrics - Inspection of "Whoops for PHP 5.3.3 infinite loop caused by zlib...." - filp/whoops - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — v1 (#450)

by Denis

created 2016-10-04 10:05 UTC

TemplateHelper::getDumper() B

↳ Parent: TemplateHelper

Complexity

Conditions	3
Paths	2

Size

Total Lines	26
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

Metric	Value
dl	0
loc	26
ccs	0
cts	20
cp	0
rs	8.8571
c	0
b	0
f	0
cc	3
eloc	19
nc	2
nop	0
crap	12

<?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 = [];

    /**
     * @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
        );
    }

    /**
     * Makes sure that the given string breaks on the delimiter.
     *
     * @param  string $delimiter
     * @param  string $s
     * @return string
     */
    public function breakOnDelimiter($delimiter, $s)
    {
        $parts = explode($delimiter, $s);
        foreach ($parts as &$part) {
            $part = '<div class="delimiter">' . $part . '</div>';
        }

        return implode($delimiter, $parts);
    }

    /**
     * Replace the part of the path that all files have in common.
     *
     * @param  string $path
     * @return string
     */
    public function shorten($path)
    {
        $dirname = dirname(dirname(dirname(dirname(dirname(dirname(__DIR__))))));
        if ($dirname != "/") {
            $path = str_replace($dirname, '&hellip;', $path);
        }

        return $path;
    }

    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 = [
                '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')) {
                $cloneVar = $this->getCloner()->cloneVar($value, Caster::EXCLUDE_VERBOSE);
            // Symfony VarDumper 2.6 Caster class dont exist.
            } else {
                $cloneVar = $this->getCloner()->cloneVar($value);
            }

            $dumper->dump(
                $cloneVar,
                $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 = [];
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		/**
83		* Makes sure that the given string breaks on the delimiter.
84		*
85		* @param string $delimiter
86		* @param string $s
87		* @return string
88		*/
89		public function breakOnDelimiter($delimiter, $s)
90		{
91		$parts = explode($delimiter, $s);
92		foreach ($parts as &$part) {
93		$part = '<div class="delimiter">' . $part . '</div>';
94		}
95
96		return implode($delimiter, $parts);
97		}
98
99		/**
100		* Replace the part of the path that all files have in common.
101		*
102		* @param string $path
103		* @return string
104		*/
105		public function shorten($path)
106		{
107		$dirname = dirname(dirname(dirname(dirname(dirname(dirname(__DIR__))))));
108		if ($dirname != "/") {
109		$path = str_replace($dirname, '…', $path);
110		}
111
112		return $path;
113		}
114
115		private function getDumper()
116		{
117		if (!$this->htmlDumper && class_exists('Symfony\Component\VarDumper\Cloner\VarCloner')) {
118		$this->htmlDumperOutput = new HtmlDumperOutput();
119		// re-use the same var-dumper instance, so it won't re-render the global styles/scripts on each dump.
120		$this->htmlDumper = new HtmlDumper($this->htmlDumperOutput);
121
122		$styles = [
123		'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',
124		'num' => 'color:#BCD42A',
125		'const' => 'color: #4bb1b1;',
126		'str' => 'color:#BCD42A',
127		'note' => 'color:#ef7c61',
128		'ref' => 'color:#A0A0A0',
129		'public' => 'color:#FFFFFF',
130		'protected' => 'color:#FFFFFF',
131		'private' => 'color:#FFFFFF',
132		'meta' => 'color:#FFFFFF',
133		'key' => 'color:#BCD42A',
134		'index' => 'color:#ef7c61',
135		];
136		$this->htmlDumper->setStyles($styles);
137		}
138
139		return $this->htmlDumper;
140		}
141
142		/**
143		* Format the given value into a human readable string.
144		*
145		* @param mixed $value
146		* @return string
147		*/
148		public function dump($value)
149		{
150		$dumper = $this->getDumper();
151
152		if ($dumper) {
153		// re-use the same DumpOutput instance, so it won't re-render the global styles/scripts on each dump.
154		// exclude verbose information (e.g. exception stack traces)
155		if (class_exists('Symfony\Component\VarDumper\Caster\Caster')) {
156		$cloneVar = $this->getCloner()->cloneVar($value, Caster::EXCLUDE_VERBOSE);
157		// Symfony VarDumper 2.6 Caster class dont exist.
158		} else {
159		$cloneVar = $this->getCloner()->cloneVar($value);
160		}
161
162		$dumper->dump(
163		$cloneVar,
164		$this->htmlDumperOutput
165		);
166
167		$output = $this->htmlDumperOutput->getOutput();
168		$this->htmlDumperOutput->clear();
169
170		return $output;
171		}
172
173		return print_r($value, true);
174		}
175
176		/**
177		* Format the args of the given Frame as a human readable html string
178		*
179		* @param Frame $frame
180		* @return string the rendered html
181		*/
182		public function dumpArgs(Frame $frame)
183		{
184		// we support frame args only when the optional dumper is available
185		if (!$this->getDumper()) {
186		return '';
187		}
188
189		$html = '';
190		$numFrames = count($frame->getArgs());
191
192		if ($numFrames > 0) {
193		$html = '<ol class="linenums">';
194		foreach($frame->getArgs() as $j => $frameArg) {
195		$html .= '<li>'. $this->dump($frameArg) .'</li>';
196		}
197		$html .= '</ol>';
198		}
199
200		return $html;
201		}
202
203		/**
204		* Convert a string to a slug version of itself
205		*
206		* @param string $original
207		* @return string
208		*/
209	1	public function slug($original)
210		{
211	1	$slug = str_replace(" ", "-", $original);
212	1	$slug = preg_replace('/[^\w\d\-\_]/i', '', $slug);
213	1	return strtolower($slug);
214		}
215
216		/**
217		* Given a template path, render it within its own scope. This
218		* method also accepts an array of additional variables to be
219		* passed to the template.
220		*
221		* @param string $template
222		* @param array $additionalVariables
223		*/
224	1	public function render($template, array $additionalVariables = null)
225		{
226	1	$variables = $this->getVariables();
227
228		// Pass the helper to the template:
229	1	$variables["tpl"] = $this;
230
231	1	if ($additionalVariables !== null) {
232	1	$variables = array_replace($variables, $additionalVariables);
233	1	}
234
235	1	call_user_func(function () {
236	1	extract(func_get_arg(1));
		0 ignored issues – show Bug introduced 2015-11-22 11:16 UTC by Report Bug Copy Issue Report `func_get_arg(1)` cannot be passed to `extract()` as the parameter `$var_array` expects a reference. Loading history...
237	1	require func_get_arg(0);
238	1	}, $template, $variables);
239	1	}
240
241		/**
242		* Sets the variables to be passed to all templates rendered
243		* by this template helper.
244		*
245		* @param array $variables
246		*/
247	1	public function setVariables(array $variables)
248		{
249	1	$this->variables = $variables;
250	1	}
251
252		/**
253		* Sets a single template variable, by its name:
254		*
255		* @param string $variableName
256		* @param mixd $variableValue
257		*/
258	1	public function setVariable($variableName, $variableValue)
259		{
260	1	$this->variables[$variableName] = $variableValue;
261	1	}
262
263		/**
264		* Gets a single template variable, by its name, or
265		* $defaultValue if the variable does not exist
266		*
267		* @param string $variableName
268		* @param mixed $defaultValue
269		* @return mixed
270		*/
271	1	public function getVariable($variableName, $defaultValue = null)
272		{
273	1	return isset($this->variables[$variableName]) ?
274	1	$this->variables[$variableName] : $defaultValue;
275		}
276
277		/**
278		* Unsets a single template variable, by its name
279		*
280		* @param string $variableName
281		*/
282	1	public function delVariable($variableName)
283		{
284	1	unset($this->variables[$variableName]);
285	1	}
286
287		/**
288		* Returns all variables for this helper
289		*
290		* @return array
291		*/
292	1	public function getVariables()
293		{
294	1	return $this->variables;
295		}
296
297		/**
298		* Set the cloner used for dumping variables.
299		*
300		* @param AbstractCloner $cloner
301		*/
302		public function setCloner($cloner)
303		{
304		$this->cloner = $cloner;
305		}
306
307		/**
308		* Get the cloner used for dumping variables.
309		*
310		* @return AbstractCloner
311		*/
312		public function getCloner()
313		{
314		if (!$this->cloner) {
315		$this->cloner = new VarCloner();
316		}
317		return $this->cloner;
318		}
319		}
320

filp / whoops

Pull Request — v1 (#450)

TemplateHelper::getDumper() B

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