s9e / RegexpBuilder

src/Passes/MergePrefix.php

Indentation +80 added lines, -80 removed lines

@@ -9,93 +9,93 @@
 
 class MergePrefix extends AbstractPass
 {
-	/**
-	* {@inheritdoc}
-	*/
-	protected function processStrings(array $strings)
-	{
-		$newStrings = [];
-		foreach ($this->getStringsByPrefix($strings) as $prefix => $strings)
-		{
-			$newStrings[] = (isset($strings[1])) ? $this->mergeStrings($strings) : $strings[0];
-		}
+    /**
+     * {@inheritdoc}
+     */
+    protected function processStrings(array $strings)
+    {
+        $newStrings = [];
+        foreach ($this->getStringsByPrefix($strings) as $prefix => $strings)
+        {
+            $newStrings[] = (isset($strings[1])) ? $this->mergeStrings($strings) : $strings[0];
+        }
 
-		return $newStrings;
-	}
+        return $newStrings;
+    }
 
-	/**
-	* Get the number of leading elements common to all given strings
-	*
-	* @param  array[] $strings
-	* @return integer
-	*/
-	protected function getPrefixLength(array $strings)
-	{
-		$len = 1;
-		$cnt = count($strings[0]);
-		while ($len < $cnt && $this->stringsMatch($strings, $len))
-		{
-			++$len;
-		}
+    /**
+     * Get the number of leading elements common to all given strings
+     *
+     * @param  array[] $strings
+     * @return integer
+     */
+    protected function getPrefixLength(array $strings)
+    {
+        $len = 1;
+        $cnt = count($strings[0]);
+        while ($len < $cnt && $this->stringsMatch($strings, $len))
+        {
+            ++$len;
+        }
 
-		return $len;
-	}
+        return $len;
+    }
 
-	/**
-	* Return given strings grouped by their first element
-	*
-	* NOTE: assumes that this pass is run before the first element of any string could be replaced
-	*
-	* @param  array[] $strings
-	* @return array[]
-	*/
-	protected function getStringsByPrefix(array $strings)
-	{
-		$byPrefix = [];
-		foreach ($strings as $string)
-		{
-			$byPrefix[$string[0]][] = $string;
-		}
+    /**
+     * Return given strings grouped by their first element
+     *
+     * NOTE: assumes that this pass is run before the first element of any string could be replaced
+     *
+     * @param  array[] $strings
+     * @return array[]
+     */
+    protected function getStringsByPrefix(array $strings)
+    {
+        $byPrefix = [];
+        foreach ($strings as $string)
+        {
+            $byPrefix[$string[0]][] = $string;
+        }
 
-		return $byPrefix;
-	}
+        return $byPrefix;
+    }
 
-	/**
-	* Merge given strings into a new single string
-	*
-	* @param  array[] $strings
-	* @return array
-	*/
-	protected function mergeStrings(array $strings)
-	{
-		$len       = $this->getPrefixLength($strings);
-		$newString = array_slice($strings[0], 0, $len);
-		foreach ($strings as $string)
-		{
-			$newString[$len][] = array_slice($string, $len);
-		}
+    /**
+     * Merge given strings into a new single string
+     *
+     * @param  array[] $strings
+     * @return array
+     */
+    protected function mergeStrings(array $strings)
+    {
+        $len       = $this->getPrefixLength($strings);
+        $newString = array_slice($strings[0], 0, $len);
+        foreach ($strings as $string)
+        {
+            $newString[$len][] = array_slice($string, $len);
+        }
 
-		return $newString;
-	}
+        return $newString;
+    }
 
-	/**
-	* Test whether all given strings' elements match at given position
-	*
-	* @param  array[] $strings
-	* @param  integer $pos
-	* @return bool
-	*/
-	protected function stringsMatch(array $strings, $pos)
-	{
-		$value = $strings[0][$pos];
-		foreach ($strings as $string)
-		{
-			if (!isset($string[$pos]) || $string[$pos] !== $value)
-			{
-				return false;
-			}
-		}
+    /**
+     * Test whether all given strings' elements match at given position
+     *
+     * @param  array[] $strings
+     * @param  integer $pos
+     * @return bool
+     */
+    protected function stringsMatch(array $strings, $pos)
+    {
+        $value = $strings[0][$pos];
+        foreach ($strings as $string)
+        {
+            if (!isset($string[$pos]) || $string[$pos] !== $value)
+            {
+                return false;
+            }
+        }
 
-		return true;
-	}
+        return true;
+    }
 }
\ No newline at end of file