Block::process() - Code Metrics - Inspection of "Release candidate 2020-06-01 "Hogfather" RC2" - splitbrain/dokuwiki - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — stable ( 017e16...b83837 )

unknown

created 2020-06-03 13:51 UTC

Block::process() D

↳ Parent: Block

Complexity

Conditions	21
Paths	41

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	21
nc	41
nop	1
dl	0
loc	65
rs	4.1666
c	0
b	0
f	0

How to fix Long Method Complexity

<?php

namespace dokuwiki\Parsing\Handler;

/**
 * Handler for paragraphs
 *
 * @author Harry Fuecks <[email protected]>
 */
class Block
{
    protected $calls = array();
    protected $skipEol = false;
    protected $inParagraph = false;

    // Blocks these should not be inside paragraphs
    protected $blockOpen = array(
        'header',
        'listu_open','listo_open','listitem_open','listcontent_open',
        'table_open','tablerow_open','tablecell_open','tableheader_open','tablethead_open',
        'quote_open',
        'code','file','hr','preformatted','rss',
        'htmlblock','phpblock',
        'footnote_open',
    );

    protected $blockClose = array(
        'header',
        'listu_close','listo_close','listitem_close','listcontent_close',
        'table_close','tablerow_close','tablecell_close','tableheader_close','tablethead_close',
        'quote_close',
        'code','file','hr','preformatted','rss',
        'htmlblock','phpblock',
        'footnote_close',
    );

    // Stacks can contain paragraphs
    protected $stackOpen = array(
        'section_open',
    );

    protected $stackClose = array(
        'section_close',
    );


    /**
     * Constructor. Adds loaded syntax plugins to the block and stack
     * arrays
     *
     * @author Andreas Gohr <[email protected]>
     */
    public function __construct()
    {
        global $DOKU_PLUGINS;
        //check if syntax plugins were loaded
        if (empty($DOKU_PLUGINS['syntax'])) return;
        foreach ($DOKU_PLUGINS['syntax'] as $n => $p) {
            $ptype = $p->getPType();
            if ($ptype == 'block') {
                $this->blockOpen[]  = 'plugin_'.$n;
                $this->blockClose[] = 'plugin_'.$n;
            } elseif ($ptype == 'stack') {
                $this->stackOpen[]  = 'plugin_'.$n;
                $this->stackClose[] = 'plugin_'.$n;
            }
        }
    }

    protected function openParagraph($pos)
    {
        if ($this->inParagraph) return;
        $this->calls[] = array('p_open',array(), $pos);
        $this->inParagraph = true;
        $this->skipEol = true;
    }

    /**
     * Close a paragraph if needed
     *
     * This function makes sure there are no empty paragraphs on the stack
     *
     * @author Andreas Gohr <[email protected]>
     *
     * @param string|integer $pos
     */
    protected function closeParagraph($pos)
    {
        if (!$this->inParagraph) return;
        // look back if there was any content - we don't want empty paragraphs
        $content = '';
        $ccount = count($this->calls);
        for ($i=$ccount-1; $i>=0; $i--) {
            if ($this->calls[$i][0] == 'p_open') {
                break;
            } elseif ($this->calls[$i][0] == 'cdata') {
                $content .= $this->calls[$i][1][0];
            } else {
                $content = 'found markup';
                break;
            }
        }

        if (trim($content)=='') {
            //remove the whole paragraph
            //array_splice($this->calls,$i); // <- this is much slower than the loop below
            for ($x=$ccount; $x>$i;
            $x--) array_pop($this->calls);
        } else {
            // remove ending linebreaks in the paragraph
            $i=count($this->calls)-1;
            if ($this->calls[$i][0] == 'cdata') $this->calls[$i][1][0] = rtrim($this->calls[$i][1][0], "\n");
            $this->calls[] = array('p_close',array(), $pos);
        }

        $this->inParagraph = false;
        $this->skipEol = true;
    }

    protected function addCall($call)
    {
        $key = count($this->calls);
        if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) {
            $this->calls[$key-1][1][0] .= $call[1][0];
        } else {
            $this->calls[] = $call;
        }
    }

    // simple version of addCall, without checking cdata
    protected function storeCall($call)
    {
        $this->calls[] = $call;
    }

    /**
     * Processes the whole instruction stack to open and close paragraphs
     *
     * @author Harry Fuecks <[email protected]>
     * @author Andreas Gohr <[email protected]>
     *
     * @param array $calls
     *
     * @return array
     */
    public function process($calls)
    {
        // open first paragraph
        $this->openParagraph(0);
        foreach ($calls as $key => $call) {
            $cname = $call[0];
            if ($cname == 'plugin') {
                $cname='plugin_'.$call[1][0];
                $plugin = true;
                $plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) || ($call[1][2] == DOKU_LEXER_SPECIAL));
                $plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) || ($call[1][2] == DOKU_LEXER_SPECIAL));
            } else {
                $plugin = false;
            }
            /* stack */
            if (in_array($cname, $this->stackClose) && (!$plugin || $plugin_close)) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $this->closeParagraph($call[2]);
                $this->storeCall($call);
                $this->openParagraph($call[2]);
                continue;
            }
            if (in_array($cname, $this->stackOpen) && (!$plugin || $plugin_open)) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                $this->closeParagraph($call[2]);
                $this->storeCall($call);
                $this->openParagraph($call[2]);
                continue;
            }
            /* block */
            // If it's a substition it opens and closes at the same call.
            // To make sure next paragraph is correctly started, let close go first.
            if (in_array($cname, $this->blockClose) && (!$plugin || $plugin_close)) {
                $this->closeParagraph($call[2]);
                $this->storeCall($call);
                $this->openParagraph($call[2]);
                continue;
            }
            if (in_array($cname, $this->blockOpen) && (!$plugin || $plugin_open)) {
                $this->closeParagraph($call[2]);
                $this->storeCall($call);
                continue;
            }
            /* eol */
            if ($cname == 'eol') {
                // Check this isn't an eol instruction to skip...
                if (!$this->skipEol) {
                    // Next is EOL => double eol => mark as paragraph
                    if (isset($calls[$key+1]) && $calls[$key+1][0] == 'eol') {
                        $this->closeParagraph($call[2]);
                        $this->openParagraph($call[2]);
                    } else {
                        //if this is just a single eol make a space from it
                        $this->addCall(array('cdata',array("\n"), $call[2]));
                    }
                }
                continue;
            }
            /* normal */
            $this->addCall($call);
            $this->skipEol = false;
        }
        // close last paragraph
        $call = end($this->calls);
        $this->closeParagraph($call[2]);
        return $this->calls;
    }
}


Push — stable ( 017e16...b83837 )

Block::process() D

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Available Fixes

Available Fixes

1			<?php
2
3			namespace dokuwiki\Parsing\Handler;
4
5			/**
6			* Handler for paragraphs
7			*
8			* @author Harry Fuecks <[email protected]>
9			*/
10			class Block
11			{
12			protected $calls = array();
13			protected $skipEol = false;
14			protected $inParagraph = false;
15
16			// Blocks these should not be inside paragraphs
17			protected $blockOpen = array(
18			'header',
19			'listu_open','listo_open','listitem_open','listcontent_open',
20			'table_open','tablerow_open','tablecell_open','tableheader_open','tablethead_open',
21			'quote_open',
22			'code','file','hr','preformatted','rss',
23			'htmlblock','phpblock',
24			'footnote_open',
25			);
26
27			protected $blockClose = array(
28			'header',
29			'listu_close','listo_close','listitem_close','listcontent_close',
30			'table_close','tablerow_close','tablecell_close','tableheader_close','tablethead_close',
31			'quote_close',
32			'code','file','hr','preformatted','rss',
33			'htmlblock','phpblock',
34			'footnote_close',
35			);
36
37			// Stacks can contain paragraphs
38			protected $stackOpen = array(
39			'section_open',
40			);
41
42			protected $stackClose = array(
43			'section_close',
44			);
45
46
47			/**
48			* Constructor. Adds loaded syntax plugins to the block and stack
49			* arrays
50			*
51			* @author Andreas Gohr <[email protected]>
52			*/
53			public function __construct()
54			{
55			global $DOKU_PLUGINS;
56			//check if syntax plugins were loaded
57			if (empty($DOKU_PLUGINS['syntax'])) return;
58			foreach ($DOKU_PLUGINS['syntax'] as $n => $p) {
59			$ptype = $p->getPType();
60			if ($ptype == 'block') {
61			$this->blockOpen[] = 'plugin_'.$n;
62			$this->blockClose[] = 'plugin_'.$n;
63			} elseif ($ptype == 'stack') {
64			$this->stackOpen[] = 'plugin_'.$n;
65			$this->stackClose[] = 'plugin_'.$n;
66			}
67			}
68			}
69
70			protected function openParagraph($pos)
71			{
72			if ($this->inParagraph) return;
73			$this->calls[] = array('p_open',array(), $pos);
74			$this->inParagraph = true;
75			$this->skipEol = true;
76			}
77
78			/**
79			* Close a paragraph if needed
80			*
81			* This function makes sure there are no empty paragraphs on the stack
82			*
83			* @author Andreas Gohr <[email protected]>
84			*
85			* @param string\|integer $pos
86			*/
87			protected function closeParagraph($pos)
88			{
89			if (!$this->inParagraph) return;
90			// look back if there was any content - we don't want empty paragraphs
91			$content = '';
92			$ccount = count($this->calls);
93			for ($i=$ccount-1; $i>=0; $i--) {
94			if ($this->calls[$i][0] == 'p_open') {
95			break;
96			} elseif ($this->calls[$i][0] == 'cdata') {
97			$content .= $this->calls[$i][1][0];
98			} else {
99			$content = 'found markup';
100			break;
101			}
102			}
103
104			if (trim($content)=='') {
105			//remove the whole paragraph
106			//array_splice($this->calls,$i); // <- this is much slower than the loop below
107			for ($x=$ccount; $x>$i;
108			$x--) array_pop($this->calls);
109			} else {
110			// remove ending linebreaks in the paragraph
111			$i=count($this->calls)-1;
112			if ($this->calls[$i][0] == 'cdata') $this->calls[$i][1][0] = rtrim($this->calls[$i][1][0], "\n");
113			$this->calls[] = array('p_close',array(), $pos);
114			}
115
116			$this->inParagraph = false;
117			$this->skipEol = true;
118			}
119
120			protected function addCall($call)
121			{
122			$key = count($this->calls);
123			if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) {
124			$this->calls[$key-1][1][0] .= $call[1][0];
125			} else {
126			$this->calls[] = $call;
127			}
128			}
129
130			// simple version of addCall, without checking cdata
131			protected function storeCall($call)
132			{
133			$this->calls[] = $call;
134			}
135
136			/**
137			* Processes the whole instruction stack to open and close paragraphs
138			*
139			* @author Harry Fuecks <[email protected]>
140			* @author Andreas Gohr <[email protected]>
141			*
142			* @param array $calls
143			*
144			* @return array
145			*/
146			public function process($calls)
147			{
148			// open first paragraph
149			$this->openParagraph(0);
150			foreach ($calls as $key => $call) {
151			$cname = $call[0];
152			if ($cname == 'plugin') {
153			$cname='plugin_'.$call[1][0];
154			$plugin = true;
155			$plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) \|\| ($call[1][2] == DOKU_LEXER_SPECIAL));
156			$plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) \|\| ($call[1][2] == DOKU_LEXER_SPECIAL));
157			} else {
158			$plugin = false;
159			}
160			/* stack */
161			if (in_array($cname, $this->stackClose) && (!$plugin \|\| $plugin_close)) {
			0 ignored issues – show Bug introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report The variable `$plugin_close` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
162			$this->closeParagraph($call[2]);
163			$this->storeCall($call);
164			$this->openParagraph($call[2]);
165			continue;
166			}
167			if (in_array($cname, $this->stackOpen) && (!$plugin \|\| $plugin_open)) {
			0 ignored issues – show Bug introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report The variable `$plugin_open` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
168			$this->closeParagraph($call[2]);
169			$this->storeCall($call);
170			$this->openParagraph($call[2]);
171			continue;
172			}
173			/* block */
174			// If it's a substition it opens and closes at the same call.
175			// To make sure next paragraph is correctly started, let close go first.
176			if (in_array($cname, $this->blockClose) && (!$plugin \|\| $plugin_close)) {
177			$this->closeParagraph($call[2]);
178			$this->storeCall($call);
179			$this->openParagraph($call[2]);
180			continue;
181			}
182			if (in_array($cname, $this->blockOpen) && (!$plugin \|\| $plugin_open)) {
183			$this->closeParagraph($call[2]);
184			$this->storeCall($call);
185			continue;
186			}
187			/* eol */
188			if ($cname == 'eol') {
189			// Check this isn't an eol instruction to skip...
190			if (!$this->skipEol) {
191			// Next is EOL => double eol => mark as paragraph
192			if (isset($calls[$key+1]) && $calls[$key+1][0] == 'eol') {
193			$this->closeParagraph($call[2]);
194			$this->openParagraph($call[2]);
195			} else {
196			//if this is just a single eol make a space from it
197			$this->addCall(array('cdata',array("\n"), $call[2]));
198			}
199			}
200			continue;
201			}
202			/* normal */
203			$this->addCall($call);
204			$this->skipEol = false;
205			}
206			// close last paragraph
207			$call = end($this->calls);
208			$this->closeParagraph($call[2]);
209			return $this->calls;
210			}
211			}
212

splitbrain / dokuwiki

Push — stable ( 017e16...b83837 )

Block::process() D

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Available Fixes

Available Fixes

Duplication Side-by-Side

Filter issues like