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codeFormatter.php
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codeFormatter.php
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<?php
//Copyright (c) 2014, Carlos C
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
//
//1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
//
//2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
//
//3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
define("ST_AT", "@");
define("ST_BRACKET_CLOSE", "]");
define("ST_BRACKET_OPEN", "[");
define("ST_COLON", ":");
define("ST_COMMA", ",");
define("ST_CONCAT", ".");
define("ST_CURLY_CLOSE", "}");
define("ST_CURLY_OPEN", "{");
define("ST_DIVIDE", "/");
define("ST_DOLLAR", "$");
define("ST_EQUAL", "=");
define("ST_EXCLAMATION", "!");
define("ST_IS_GREATER", ">");
define("ST_IS_SMALLER", "<");
define("ST_MINUS", "-");
define("ST_MODULUS", "%");
define("ST_PARENTHESES_CLOSE", ")");
define("ST_PARENTHESES_OPEN", "(");
define("ST_PLUS", "+");
define("ST_QUESTION", "?");
define("ST_QUOTE", '"');
define("ST_REFERENCE", "&");
define("ST_SEMI_COLON", ";");
define("ST_TIMES", "*");
final class AddMissingCurlyBraces extends FormatterPass {
public function format($source) {
$tmp = $this->addBraces($source);
while (true) {
$source = $this->addBraces($tmp);
if ($source == $tmp) {
break;
}
$tmp = $source;
}
return $source;
}
private function addBraces($source) {
$this->tkns = token_get_all($source);
$this->code = '';
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_FOR:
$this->append_code($text, false);
$paren_count = null;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
if (ST_PARENTHESES_OPEN == $id) {
$paren_count++;
} elseif (ST_PARENTHESES_CLOSE == $id) {
$paren_count--;
}
$this->append_code($text, false);
if (0 === $paren_count && !$this->is_token(array(T_COMMENT, T_DOC_COMMENT))) {
break;
}
}
if (!$this->is_token(ST_CURLY_OPEN) && !$this->is_token(ST_COLON)) {
$ignore_count = 0;
if (!$this->is_token(array(T_COMMENT, T_DOC_COMMENT), true)) {
$this->append_code($this->new_line.'{');
} else {
$this->append_code('{');
}
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
if (ST_PARENTHESES_OPEN == $id || ST_CURLY_OPEN == $id || ST_BRACKET_OPEN == $id) {
$ignore_count++;
} elseif (ST_PARENTHESES_CLOSE == $id || ST_CURLY_CLOSE == $id || ST_BRACKET_CLOSE == $id) {
$ignore_count--;
}
$this->append_code($text, false);
if ($ignore_count <= 0 && !($this->is_token(ST_CURLY_CLOSE) || $this->is_token(ST_SEMI_COLON) || $this->is_token(array(T_WHILE))) && (ST_CURLY_CLOSE == $id || ST_SEMI_COLON == $id || T_ELSE == $id || T_ELSEIF == $id)) {
break;
}
}
$this->append_code($this->get_crlf_indent().'}'.$this->get_crlf_indent(), false);
break 2;
}
break;
case T_IF:
case T_ELSEIF:
$this->append_code($text, false);
$paren_count = null;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
if (ST_PARENTHESES_OPEN == $id) {
$paren_count++;
} elseif (ST_PARENTHESES_CLOSE == $id) {
$paren_count--;
}
$this->append_code($text, false);
if (0 === $paren_count && !$this->is_token(array(T_COMMENT, T_DOC_COMMENT))) {
break;
}
}
if (!$this->is_token(ST_CURLY_OPEN) && !$this->is_token(ST_COLON)) {
$ignore_count = 0;
if (!$this->is_token(array(T_COMMENT, T_DOC_COMMENT), true)) {
// $this->append_code($this->new_line.'{'.$this->new_line);
$this->append_code($this->new_line.'{');
} else {
// $this->append_code('{'.$this->new_line);
$this->append_code('{');
}
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
if (ST_PARENTHESES_OPEN == $id || ST_CURLY_OPEN == $id || ST_BRACKET_OPEN == $id) {
$ignore_count++;
} elseif (ST_PARENTHESES_CLOSE == $id || ST_CURLY_CLOSE == $id || ST_BRACKET_CLOSE == $id) {
$ignore_count--;
}
$this->append_code($text, false);
if ($ignore_count <= 0 && !($this->is_token(ST_CURLY_CLOSE) || $this->is_token(ST_SEMI_COLON) || $this->is_token(array(T_WHILE))) && (ST_CURLY_CLOSE == $id || ST_SEMI_COLON == $id || T_ELSE == $id || T_ELSEIF == $id)) {
break;
}
}
$this->append_code($this->get_crlf_indent().'}'.$this->get_crlf_indent(), false);
break 2;
}
break;
case T_ELSE:
$this->append_code($text, false);
if (!$this->is_token(ST_CURLY_OPEN) && !$this->is_token(ST_COLON) && !$this->is_token(array(T_IF))) {
$ignore_count = 0;
$this->append_code('{'.$this->new_line);
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
if (ST_PARENTHESES_OPEN == $id || ST_CURLY_OPEN == $id || ST_BRACKET_OPEN == $id) {
$ignore_count++;
} elseif (ST_PARENTHESES_CLOSE == $id || ST_CURLY_CLOSE == $id || ST_BRACKET_CLOSE == $id) {
$ignore_count--;
}
$this->append_code($text, false);
if ($ignore_count <= 0 && !($this->is_token(ST_CURLY_CLOSE) || $this->is_token(ST_SEMI_COLON) || $this->is_token(array(T_WHILE))) && (ST_CURLY_CLOSE == $id || ST_SEMI_COLON == $id || T_ELSE == $id || T_ELSEIF == $id)) {
break;
}
}
$this->append_code($this->get_crlf_indent().'}'.$this->get_crlf_indent(), false);
break 2;
}
break;
default:
$this->append_code($text, false);
break;
}
}
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
$this->append_code($text, false);
}
return $this->code;
}
}
final class AlignDoubleArrow extends FormatterPass {
const ALIGNABLE_EQUAL = "\x2 EQUAL%d \x3";
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_DOUBLE_ARROW:
$this->append_code(self::ALIGNABLE_EQUAL.$text, false);
break;
default:
$this->append_code($text, false);
break;
}
}
$lines = explode($this->new_line, $this->code);
$lines_with_objop = [];
$block_count = 0;
foreach ($lines as $idx => $line) {
if (substr_count($line, self::ALIGNABLE_EQUAL) > 0) {
$lines_with_objop[$block_count][] = $idx;
} else {
$block_count++;
}
}
$i = 0;
foreach ($lines_with_objop as $group) {
if (1 == sizeof($group)) {
continue;
}
$i++;
$farthest_objop = 0;
foreach ($group as $idx) {
$farthest_objop = max($farthest_objop, strpos($lines[$idx], self::ALIGNABLE_EQUAL));
}
foreach ($group as $idx) {
$line = $lines[$idx];
$current_objop = strpos($line, self::ALIGNABLE_EQUAL);
$delta = abs($farthest_objop-$current_objop);
if ($delta > 0) {
$line = str_replace(self::ALIGNABLE_EQUAL, str_repeat(' ', $delta).self::ALIGNABLE_EQUAL, $line);
$lines[$idx] = $line;
}
}
}
$this->code = str_replace(self::ALIGNABLE_EQUAL, '', implode($this->new_line, $lines));
return $this->code;
}
}
final class AlignEquals extends FormatterPass {
const ALIGNABLE_EQUAL = "\x2 EQUAL%d \x3";
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$paren_count = 0;
$bracket_count = 0;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case ST_PARENTHESES_OPEN:
$paren_count++;
$this->append_code($text, false);
break;
case ST_PARENTHESES_CLOSE:
$paren_count--;
$this->append_code($text, false);
break;
case ST_BRACKET_OPEN:
$bracket_count++;
$this->append_code($text, false);
break;
case ST_BRACKET_CLOSE:
$bracket_count--;
$this->append_code($text, false);
break;
case ST_EQUAL:
if (!$paren_count && !$bracket_count) {
$this->append_code(self::ALIGNABLE_EQUAL.$text, false);
break;
}
default:
$this->append_code($text, false);
break;
}
}
$lines = explode($this->new_line, $this->code);
$lines_with_objop = [];
$block_count = 0;
foreach ($lines as $idx => $line) {
if (substr_count($line, self::ALIGNABLE_EQUAL) > 0) {
$lines_with_objop[$block_count][] = $idx;
} else {
$block_count++;
}
}
$i = 0;
foreach ($lines_with_objop as $group) {
if (1 == sizeof($group)) {
continue;
}
$i++;
$farthest_objop = 0;
foreach ($group as $idx) {
$farthest_objop = max($farthest_objop, strpos($lines[$idx], self::ALIGNABLE_EQUAL));
}
foreach ($group as $idx) {
$line = $lines[$idx];
$current_objop = strpos($line, self::ALIGNABLE_EQUAL);
$delta = abs($farthest_objop-$current_objop);
if ($delta > 0) {
$line = str_replace(self::ALIGNABLE_EQUAL, str_repeat(' ', $delta).self::ALIGNABLE_EQUAL, $line);
$lines[$idx] = $line;
}
}
}
$this->code = str_replace(self::ALIGNABLE_EQUAL, '', implode($this->new_line, $lines));
return $this->code;
}
}
final class CodeFormatter {
private $passes = [];
public function addPass(FormatterPass $pass) {
$this->passes[] = $pass;
}
public function formatCode($source = '') {
foreach ($this->passes as $pass) {
$source = $pass->format($source);
}
return $source;
}
}
final class EliminateDuplicatedEmptyLines extends FormatterPass {
const ALIGNABLE_EQUAL = "\x2 EQUAL%d \x3";
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$paren_count = 0;
$bracket_count = 0;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_WHITESPACE:
$text = str_replace($this->new_line, self::ALIGNABLE_EQUAL.$this->new_line, $text);
$this->append_code($text, false);
break;
default:
$this->append_code($text, false);
break;
}
}
$lines = explode($this->new_line, $this->code);
$lines_with_objop = [];
$block_count = 0;
foreach ($lines as $idx => $line) {
if (trim($line) == self::ALIGNABLE_EQUAL) {
//if (substr_count($line, self::ALIGNABLE_EQUAL) > 0) {
$lines_with_objop[$block_count][] = $idx;
} else {
$block_count++;
}
}
$i = 0;
foreach ($lines_with_objop as $group) {
if (1 == sizeof($group)) {
continue;
}
array_pop($group);
foreach ($group as $line_number) {
unset($lines[$line_number]);
}
}
$this->code = str_replace(self::ALIGNABLE_EQUAL, '', implode($this->new_line, $lines));
$tkns = token_get_all($this->code);
list($id, $text) = $this->get_token(array_pop($tkns));
if (T_WHITESPACE == $id && '' == trim($text)) {
$this->code = rtrim($this->code).$this->new_line;
}
return $this->code;
}
}
final class ExtraCommaInArray extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$context_stack = [];
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_STRING:
if ($this->is_token(ST_PARENTHESES_OPEN)) {
array_unshift($context_stack, T_STRING);
}
$this->append_code($text, false);
break;
case T_ARRAY:
if ($this->is_token(ST_PARENTHESES_OPEN)) {
array_unshift($context_stack, T_ARRAY);
}
$this->append_code($text, false);
break;
case ST_PARENTHESES_OPEN:
if (isset($context_stack[0]) && $this->is_token(ST_PARENTHESES_CLOSE)) {
array_shift($context_stack);
}
$this->append_code($text, false);
break;
case ST_PARENTHESES_CLOSE:
if (isset($context_stack[0])) {
array_shift($context_stack);
}
$this->append_code($text, false);
break;
default:
if (isset($context_stack[0]) && T_ARRAY == $context_stack[0] && $this->is_token(ST_PARENTHESES_CLOSE)) {
array_shift($context_stack);
if (ST_COMMA == $id || T_COMMENT == $id || T_DOC_COMMENT == $id || !$this->has_ln_after()) {
$this->append_code($text, false);
} else {
$this->append_code($text.',', false);
}
break;
} else {
$this->append_code($text, false);
}
break;
}
}
return $this->code;
}
}
abstract class FormatterPass {
protected $indent_size = 1;
protected $indent_char = "\t";
protected $block_size = 1;
protected $new_line = "\n";
protected $indent = 0;
protected $for_idx = 0;
protected $code = '';
protected $ptr = 0;
protected $tkns = 0;
abstract public function format($source);
protected function get_token($token) {
if (is_string($token)) {
return array($token, $token);
} else {
return $token;
}
}
protected function append_code($code = "", $trim = true) {
if ($trim) {
$this->code = rtrim($this->code).$code;
} else {
$this->code .= $code;
}
}
protected function get_crlf_indent($in_for = false, $increment = 0) {
if ($in_for) {
$this->for_idx++;
if ($this->for_idx > 2) {
$this->for_idx = 0;
}
}
if ($this->for_idx == 0 || !$in_for) {
return $this->get_crlf().$this->get_indent($increment);
} else {
return $this->get_space(false);
}
}
protected function get_crlf($true = true) {
return $true?$this->new_line:"";
}
protected function get_space($true = true) {
return $true?" ":"";
}
protected function get_indent($increment = 0) {
return str_repeat($this->indent_char, ($this->indent+$increment)*$this->indent_size);
}
protected function set_indent($increment) {
$this->indent += $increment;
if ($this->indent < 0) {
$this->indent = 0;
}
}
protected function inspect_token($delta = 1) {
if (!isset($this->tkns[$this->ptr+$delta])) {
return [null, null];
}
return $this->get_token($this->tkns[$this->ptr+$delta]);
}
protected function is_token($token, $prev = false, $i = 99999, $idx = false) {
if ($i == 99999) {
$i = $this->ptr;
}
if ($prev) {
while (--$i >= 0 && is_array($this->tkns[$i]) && $this->tkns[$i][0] == T_WHITESPACE);
} else {
while (++$i < sizeof($this->tkns)-1 && is_array($this->tkns[$i]) && $this->tkns[$i][0] == T_WHITESPACE);
}
if (isset($this->tkns[$i]) && is_string($this->tkns[$i]) && $this->tkns[$i] == $token) {
return $idx?$i:true;
} elseif (is_array($token) && isset($this->tkns[$i]) && is_array($this->tkns[$i])) {
if (in_array($this->tkns[$i][0], $token)) {
return $idx?$i:true;
} elseif ($prev && $this->tkns[$i][0] == T_OPEN_TAG) {
return $idx?$i:true;
}
}
return false;
}
protected function prev_token() {
$i = $this->ptr;
while (--$i >= 0 && is_array($this->tkns[$i]) && $this->tkns[$i][0] == T_WHITESPACE);
return $this->tkns[$i];
}
protected function has_ln_after() {
$id = null;
$text = null;
list($id, $text) = $this->inspect_token();
return T_WHITESPACE == $id && substr_count($text, PHP_EOL) > 0;
}
protected function has_ln_before() {
$id = null;
$text = null;
list($id, $text) = $this->inspect_token(-1);
return T_WHITESPACE == $id && substr_count($text, PHP_EOL) > 0;
}
protected function has_ln_prev_token() {
list($id, $text) = $this->get_token($this->prev_token());
return substr_count($text, PHP_EOL) > 0;
}
protected function substr_count_trailing($haystack, $needle) {
$cnt = 0;
$i = strlen($haystack)-1;
for ($i = $i; $i >= 0; $i--) {
$char = substr($haystack, $i, 1);
if ($needle == $char) {
$cnt++;
} elseif (' ' != $char && "\t" != $char) {
break;
}
}
return $cnt;
}
}
final class MergeCurlyCloseAndDoWhile extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$in_do_while_context = 0;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_DO:
$in_do_while_context++;
$this->append_code($text, false);
break;
case T_WHILE:
if ($in_do_while_context > 0 && $this->is_token(ST_CURLY_CLOSE, true)) {
$in_do_while_context--;
$this->append_code($text);
break;
}
default:
$this->append_code($text, false);
break;
}
}
return $this->code;
}
}
final class MergeDoubleArrowAndArray extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$in_do_while_context = 0;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_ARRAY:
if ($this->is_token(array(T_DOUBLE_ARROW), true)) {
$in_do_while_context--;
$this->append_code($text);
break;
}
default:
$this->append_code($text, false);
break;
}
}
return $this->code;
}
}
final class MergeParenCloseWithCurlyOpen extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case ST_CURLY_OPEN:
if ($this->is_token(ST_PARENTHESES_CLOSE, true)) {
$this->append_code($text, true);
} elseif ($this->is_token(array(T_ELSE, T_STRING), true)) {
$this->append_code($text, true);
} else {
$this->append_code($text, false);
}
break;
case T_ELSE:
case T_ELSEIF:
if ($this->is_token(ST_CURLY_CLOSE, true)) {
$this->append_code($text, true);
} else {
$this->append_code($text, false);
}
break;
default:
$this->append_code($text, false);
break;
}
}
return $this->code;
}
}
final class NormalizeLnAndLtrimLines extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
$this->ptr = $index;
switch ($id) {
case T_COMMENT:
case T_DOC_COMMENT:
if (substr_count($text, "\r\n")) {
$text = str_replace("\r\n", $this->new_line, $text);
}
if (substr_count($text, "\n\r")) {
$text = str_replace("\n\r", $this->new_line, $text);
}
if (substr_count($text, "\r")) {
$text = str_replace("\r", $this->new_line, $text);
}
if (substr_count($text, "\n")) {
$text = str_replace("\n", $this->new_line, $text);
}
$lines = explode($this->new_line, $text);
$lines = array_map(function ($v) {
$v = ltrim($v);
if ('*' == substr($v, 0, 1)) {
$v = ' '.$v;
}
return $v;
}, $lines);
$this->append_code(implode($this->new_line, $lines), false);
break;
case T_CONSTANT_ENCAPSED_STRING:
$this->append_code($text, false);
break;
default:
if (substr_count($text, "\r\n")) {
$text = str_replace("\r\n", $this->new_line, $text);
}
if (substr_count($text, "\n\r")) {
$text = str_replace("\n\r", $this->new_line, $text);
}
if (substr_count($text, "\r")) {
$text = str_replace("\r", $this->new_line, $text);
}
if (substr_count($text, "\n")) {
$text = str_replace("\n", $this->new_line, $text);
}
if ($this->substr_count_trailing($text, $this->new_line) > 0) {
$text = trim($text).str_repeat($this->new_line, $this->substr_count_trailing($text, $this->new_line));
} elseif (0 == $this->substr_count_trailing($text, $this->new_line) && T_WHITESPACE == $id) {
$text = $this->get_space().ltrim($text).str_repeat($this->new_line, $this->substr_count_trailing($text, $this->new_line));
}
$this->append_code($text, false);
break;
}
}
return $this->code;
}
}
final class OrderUseClauses extends FormatterPass {
public function format($source = '') {
$use_stack = [];
$tokens = token_get_all($source);
$new_tokens = [];
$next_tokens = [];
while (list(, $pop_token) = each($tokens)) {
$next_tokens[] = $pop_token;
while (($token = array_shift($next_tokens))) {
list($id, $text) = $this->get_token($token);
if (T_USE == $id) {
$use_item = $text;
while (list(, $token) = each($tokens)) {
list($id, $text) = $this->get_token($token);
if (ST_SEMI_COLON == $id) {
$use_item .= $text;
break;
} elseif (ST_COMMA == $id) {
$use_item .= ST_SEMI_COLON;
$next_tokens[] = [T_USE, 'use', ];
break;
} else {
$use_item .= $text;
}
}
$use_stack[] = $use_item;
$token = new SurrogateToken();
}
if (T_CLASS == $id || T_FUNCTION == $id) {
if (sizeof($use_stack) > 0) {
$new_tokens[] = $this->new_line;
}
$new_tokens[] = $token;
break 2;
}
$new_tokens[] = $token;
}
}
natcasesort($use_stack);
$alias_list = [];
$alias_count = [];
foreach ($use_stack as $use) {
if (false !== stripos($use, ' as ')) {
$alias = substr(strstr($use, ' as '), strlen(' as '), -1);
} else {
$alias = basename(str_replace('\\', '/', trim(substr($use, strlen('use'), -1))));
}
$alias = strtolower($alias);
$alias_list[$alias] = strtolower($use);
$alias_count[$alias] = 0;
}
$return = '';
foreach ($new_tokens as $token) {
if ($token instanceof SurrogateToken) {
$return .= array_shift($use_stack);
} else {
list($id, $text) = $this->get_token($token);
$lower_text = strtolower($text);
if (T_STRING == $id && isset($alias_list[$lower_text])) {
$alias_count[$lower_text]++;
}
$return .= $text;
}
}
while (list(, $token) = each($tokens)) {
list($id, $text) = $this->get_token($token);
$lower_text = strtolower($text);
if (T_STRING == $id && isset($alias_list[$lower_text])) {
$alias_count[$lower_text]++;
}
$return .= $text;
}
$unused_import = array_keys(
array_filter(
$alias_count, function ($v) {
return 0 == $v;
}
)
);
foreach ($unused_import as $v) {
$return = str_ireplace($alias_list[$v], null, $return);
}
return $return;
}
}
final class Reindent extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_ENCAPSED_AND_WHITESPACE:
$tmp = str_replace(' ', '', $text);
if ('=<<<' == substr($tmp, 0, 4)) {
$initial = strpos($text, $this->new_line);
$heredoc_tag = trim(substr($text, strpos($text, '<<<')+3, strpos($text, $this->new_line)-(strpos($text, '<<<')+3)));
$this->append_code(substr($text, 0, $initial), false);
$text = rtrim(substr($text, $initial));
$text = substr($text, 0, strlen($text)-1).$this->new_line.ST_SEMI_COLON.$this->new_line;
}
$this->append_code($text);
break;
case T_START_HEREDOC:
$this->append_code($text, false);
$heredoc_tag = trim(str_replace('<<<', '', $text));
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
if (ST_SEMI_COLON == substr(rtrim($text), -1)) {
$this->append_code(
substr(
rtrim($text),
0,
strlen(rtrim($text))-1
).$this->new_line.ST_SEMI_COLON.$this->new_line,
false
);
break;
} else {
$this->append_code($text, false);
}
}
break;
default:
$this->append_code($text, false);
break;
}
}
$this->tkns = token_get_all($this->code);
$this->code = '';
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_START_HEREDOC:
$this->append_code(rtrim($text).$this->get_crlf(), false);
break;
case T_CONSTANT_ENCAPSED_STRING:
case T_ENCAPSED_AND_WHITESPACE:
case T_STRING_VARNAME:
case T_NUM_STRING:
$this->append_code($text, false);
break;
case T_CURLY_OPEN:
case ST_CURLY_OPEN:
case ST_PARENTHESES_OPEN:
case ST_BRACKET_OPEN:
$this->set_indent(+1);
$this->append_code($text, false);
break;
case ST_CURLY_CLOSE:
case ST_PARENTHESES_CLOSE:
case ST_BRACKET_CLOSE:
$this->set_indent(-1);
$this->append_code($text, false);
break;
default:
if (substr_count($text, $this->new_line) > 0 && !$this->is_token(ST_CURLY_CLOSE) && !$this->is_token(ST_PARENTHESES_CLOSE) && !$this->is_token(ST_BRACKET_CLOSE)) {
$text = str_replace($this->new_line, $this->new_line.$this->get_indent(), $text);
} elseif (substr_count($text, $this->new_line) > 0 && ($this->is_token(ST_CURLY_CLOSE) || $this->is_token(ST_PARENTHESES_CLOSE) || $this->is_token(ST_BRACKET_CLOSE))) {
$this->set_indent(-1);
$text = str_replace($this->new_line, $this->new_line.$this->get_indent(), $text);
$this->set_indent(+1);
}
$this->append_code($text, false);
break;
}
}
return $this->code;
}
}
final class ReindentColonBlocks extends FormatterPass {
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$switch_level = 0;
$switch_curly_count = [];
$switch_curly_count[$switch_level] = 0;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case T_SWITCH:
$switch_level++;
$switch_curly_count[$switch_level] = 0;
$this->append_code($text, false);
break;
case ST_CURLY_OPEN:
$switch_curly_count[$switch_level]++;
$this->append_code($text, false);
break;
case ST_CURLY_CLOSE:
$switch_curly_count[$switch_level]--;
if (0 == $switch_curly_count[$switch_level] && $switch_level > 0) {
$switch_level--;
}
$this->append_code($this->get_indent($switch_level).$text, false);
break;
case T_DEFAULT:
case T_CASE:
$this->append_code($text, false);
break;
default:
if (substr_count($text, $this->new_line) > 0 && !$this->is_token(array(T_CASE, T_DEFAULT)) && !$this->is_token(ST_CURLY_CLOSE)) {
$this->append_code($text.$this->get_indent($switch_level), false);
} elseif (substr_count($text, $this->new_line) > 0 && $this->is_token(array(T_CASE, T_DEFAULT))) {
$this->append_code($text, false);
} else {
$this->append_code($text, false);
}
break;
}
}
return $this->code;
}
}
final class ReindentObjOps extends FormatterPass {
const ALIGNABLE_OBJOP = "\x2 OBJOP%d \x3";
public function format($source) {
$this->tkns = token_get_all($source);
$this->code = '';
$in_objop_context = 0;// 1 - indent, 2 - don't indent, so future auto-align takes place
$alignable_objop_counter = 0;
$printed_placeholder = false;
$paren_count = 0;
$bracket_count = 0;
while (list($index, $token) = each($this->tkns)) {
list($id, $text) = $this->get_token($token);
$this->ptr = $index;
switch ($id) {
case ST_PARENTHESES_OPEN:
$paren_count++;
$this->append_code($text, false);
break;
case ST_PARENTHESES_CLOSE:
$paren_count--;
$this->append_code($text, false);
break;
case ST_BRACKET_OPEN:
$bracket_count++;
$this->append_code($text, false);
break;
case ST_BRACKET_CLOSE:
$bracket_count--;
$this->append_code($text, false);
break;
case T_OBJECT_OPERATOR:
if (0 === $in_objop_context && ($this->has_ln_before() || $this->has_ln_prev_token())) {
$in_objop_context = 1;
} elseif (0 === $in_objop_context && !($this->has_ln_before() || $this->has_ln_prev_token())) {
$alignable_objop_counter++;
$in_objop_context = 2;
} elseif ($paren_count > 0) {
$in_objop_context = 0;
}
if (1 == $in_objop_context) {
$this->set_indent(+1);
$this->append_code($this->get_indent().$text, false);
$this->set_indent(-1);
} elseif (2 === $in_objop_context) {
$placeholder = '';
if (!$printed_placeholder) {
$placeholder = sprintf(self::ALIGNABLE_OBJOP, $alignable_objop_counter);
$printed_placeholder = true;
}
$this->append_code($placeholder.$text, false);
} else {
$this->append_code($text, false);
}
break;
case T_VARIABLE:
if (0 === $paren_count && 0 === $bracket_count && 0 !== $in_objop_context) {
$in_objop_context = 0;
}
$this->append_code($text, false);
break;
case T_DOUBLE_ARROW:
case ST_SEMI_COLON:
if (0 !== $in_objop_context) {
$in_objop_context = 0;
}
$this->append_code($text, false);
break;