Completed
Pull Request — master (#11)
by Maksim (Ellrion)
15:23
created

LoopFactory::newLoop()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 13
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 13
ccs 4
cts 4
cp 1
rs 9.4285
cc 2
eloc 6
nc 2
nop 1
crap 2
1
<?php
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namespace Advmaker\BladeLoop;
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class LoopFactory
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{
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    /**
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     * The stack of Loop instances
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     *
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     * @var Loop[] $stack
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     */
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    protected $stack = [];
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    /**
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     * Creates a new loop with the given array and adds it to the stack
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     *
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     * @param array $items The array that will be iterated
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     * @return Loop
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     */
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    public function newLoop($items)
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    {
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        $loop = new Loop($items);
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        // Check stack for parent loop to register it with this loop
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        if (count($this->stack) > 0) {
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            $loop->setParentLoop(last($this->stack));
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        }
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        array_push($this->stack, $loop);
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        return $loop;
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    }
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    /**
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     * Should be called after the loop has finished
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     *
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     * @param $loop
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     */
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    public function endLoop(&$loop)
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    {
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        array_pop($this->stack);
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        if (count($this->stack) > 0) {
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            // This loop was inside another loop. We persist the loop variable and assign back the parent loop
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            $loop = end($this->stack);
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        } else {
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            // This loop was not inside another loop. We remove the var
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            $loop = null;
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        }
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    }
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    /**
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     * To be called first inside the foreach loop. Returns the current loop
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     *
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     * @return Loop $current The current loop data
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     */
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    public function loop()
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    {
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        $current = end($this->stack);
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        $current->loop();
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        return $current;
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    }
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}
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