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

src/Passes/MergeSuffix.php

Indentation +68 added lines, -68 removed lines

@@ -9,80 +9,80 @@
 
 class MergeSuffix extends AbstractPass
 {
-	/**
-	* {@inheritdoc}
-	*/
-	protected function processStrings(array $strings)
-	{
-		if (!$this->isEligible($strings))
-		{
-			return $strings;
-		}
+    /**
+     * {@inheritdoc}
+     */
+    protected function processStrings(array $strings)
+    {
+        if (!$this->isEligible($strings))
+        {
+            return $strings;
+        }
 
-		$newString = [];
-		while ($this->hasMatchingSuffix($strings))
-		{
-			array_unshift($newString, end($strings[0]));
-			$strings = $this->pop($strings);
-		}
-		array_unshift($newString, $strings);
+        $newString = [];
+        while ($this->hasMatchingSuffix($strings))
+        {
+            array_unshift($newString, end($strings[0]));
+            $strings = $this->pop($strings);
+        }
+        array_unshift($newString, $strings);
 
-		return [$newString];
-	}
+        return [$newString];
+    }
 
-	/**
-	* Test whether all given strings have the same last element
-	*
-	* @param  array[] $strings
-	* @return bool
-	*/
-	protected function hasMatchingSuffix(array $strings)
-	{
-		$suffix = end($strings[1]);
-		foreach ($strings as $string)
-		{
-			if (end($string) !== $suffix)
-			{
-				return false;
-			}
-		}
+    /**
+     * Test whether all given strings have the same last element
+     *
+     * @param  array[] $strings
+     * @return bool
+     */
+    protected function hasMatchingSuffix(array $strings)
+    {
+        $suffix = end($strings[1]);
+        foreach ($strings as $string)
+        {
+            if (end($string) !== $suffix)
+            {
+                return false;
+            }
+        }
 
-		return ($suffix !== false);
-	}
+        return ($suffix !== false);
+    }
 
-	/**
-	* Test whether this pass can be run on given list of strings
-	*
-	* @param  array[] $strings
-	* @return bool
-	*/
-	protected function isEligible(array $strings)
-	{
-		return (count($strings) > 1 && $this->hasMatchingSuffix($strings));
-	}
+    /**
+     * Test whether this pass can be run on given list of strings
+     *
+     * @param  array[] $strings
+     * @return bool
+     */
+    protected function isEligible(array $strings)
+    {
+        return (count($strings) > 1 && $this->hasMatchingSuffix($strings));
+    }
 
-	/**
-	* Remove the last element of every string
-	*
-	* @param  array[] $strings Original strings
-	* @return array[]          Processed strings
-	*/
-	protected function pop(array $strings)
-	{
-		$cnt = count($strings);
-		$i   = $cnt;
-		while (--$i >= 0)
-		{
-			array_pop($strings[$i]);
-		}
+    /**
+     * Remove the last element of every string
+     *
+     * @param  array[] $strings Original strings
+     * @return array[]          Processed strings
+     */
+    protected function pop(array $strings)
+    {
+        $cnt = count($strings);
+        $i   = $cnt;
+        while (--$i >= 0)
+        {
+            array_pop($strings[$i]);
+        }
 
-		// Remove empty elements then prepend one back at the start of the array if applicable
-		$strings = array_filter($strings);
-		if (count($strings) < $cnt)
-		{
-			array_unshift($strings, []);
-		}
+        // Remove empty elements then prepend one back at the start of the array if applicable
+        $strings = array_filter($strings);
+        if (count($strings) < $cnt)
+        {
+            array_unshift($strings, []);
+        }
 
-		return $strings;
-	}
+        return $strings;
+    }
 }
\ No newline at end of file

src/Passes/CoalesceSingleCharacterPrefix.php

Indentation +58 added lines, -58 removed lines

@@ -9,67 +9,67 @@
 
 class CoalesceSingleCharacterPrefix extends AbstractPass
 {
-	/**
-	* {@inheritdoc}
-	*/
-	protected function processStrings(array $strings)
-	{
-		$newStrings = [];
-		foreach ($this->getEligibleKeys($strings) as $keys)
-		{
-			// Create a new string to hold the merged strings and replace the first element with
-			// an empty character class
-			$newString    = $strings[$keys[0]];
-			$newString[0] = [];
-			foreach ($keys as $key)
-			{
-				$newString[0][] = [$strings[$key][0]];
-				unset($strings[$key]);
-			}
-			$newStrings[] = $newString;
-		}
+    /**
+     * {@inheritdoc}
+     */
+    protected function processStrings(array $strings)
+    {
+        $newStrings = [];
+        foreach ($this->getEligibleKeys($strings) as $keys)
+        {
+            // Create a new string to hold the merged strings and replace the first element with
+            // an empty character class
+            $newString    = $strings[$keys[0]];
+            $newString[0] = [];
+            foreach ($keys as $key)
+            {
+                $newString[0][] = [$strings[$key][0]];
+                unset($strings[$key]);
+            }
+            $newStrings[] = $newString;
+        }
 
-		return array_merge($newStrings, $strings);
-	}
+        return array_merge($newStrings, $strings);
+    }
 
-	/**
-	* Filter the list of eligible keys and keep those that have at least two matches
-	*
-	* @param  array[] $eligibleKeys List of lists of keys
-	* @return array[]
-	*/
-	protected function filterEligibleKeys(array $eligibleKeys)
-	{
-		$filteredKeys = [];
-		foreach ($eligibleKeys as $k => $keys)
-		{
-			if (count($keys) > 1)
-			{
-				$filteredKeys[] = $keys;
-			}
-		}
+    /**
+     * Filter the list of eligible keys and keep those that have at least two matches
+     *
+     * @param  array[] $eligibleKeys List of lists of keys
+     * @return array[]
+     */
+    protected function filterEligibleKeys(array $eligibleKeys)
+    {
+        $filteredKeys = [];
+        foreach ($eligibleKeys as $k => $keys)
+        {
+            if (count($keys) > 1)
+            {
+                $filteredKeys[] = $keys;
+            }
+        }
 
-		return $filteredKeys;
-	}
+        return $filteredKeys;
+    }
 
-	/**
-	* Get a list of keys of strings eligible to be merged together, grouped by suffix
-	*
-	* @param  array[] $strings
-	* @return array[]
-	*/
-	protected function getEligibleKeys(array $strings)
-	{
-		$eligibleKeys = [];
-		foreach ($strings as $k => $string)
-		{
-			if (!is_array($string[0]) && isset($string[1]))
-			{
-				$suffix = serialize(array_slice($string, 1));
-				$eligibleKeys[$suffix][] = $k;
-			}
-		}
+    /**
+     * Get a list of keys of strings eligible to be merged together, grouped by suffix
+     *
+     * @param  array[] $strings
+     * @return array[]
+     */
+    protected function getEligibleKeys(array $strings)
+    {
+        $eligibleKeys = [];
+        foreach ($strings as $k => $string)
+        {
+            if (!is_array($string[0]) && isset($string[1]))
+            {
+                $suffix = serialize(array_slice($string, 1));
+                $eligibleKeys[$suffix][] = $k;
+            }
+        }
 
-		return $this->filterEligibleKeys($eligibleKeys);
-	}
+        return $this->filterEligibleKeys($eligibleKeys);
+    }
 }
\ No newline at end of file