Browse Source

Merge vichan PHP8 fixes, configure composer, fix outstanding incompatibilities

pull/67/head
discomrade 1 year ago
parent
commit
fed7d6a3e8
  1. 16
      README.md
  2. 3
      banned.php
  3. 47
      composer.json
  4. 1464
      composer.lock
  5. 63
      inc/anti-bot.php
  6. 4
      inc/bans.php
  7. 3
      inc/bootstrap.php
  8. 4
      inc/error.php
  9. 86
      inc/functions.php
  10. 54
      inc/lib/Twig/Autoloader.php
  11. 54
      inc/lib/Twig/BaseNodeVisitor.php
  12. 93
      inc/lib/Twig/Cache/Filesystem.php
  13. 40
      inc/lib/Twig/Cache/Null.php
  14. 58
      inc/lib/Twig/CacheInterface.php
  15. 286
      inc/lib/Twig/Compiler.php
  16. 34
      inc/lib/Twig/CompilerInterface.php
  17. 39
      inc/lib/Twig/ContainerRuntimeLoader.php
  18. 1604
      inc/lib/Twig/Environment.php
  19. 363
      inc/lib/Twig/Error.php
  20. 40
      inc/lib/Twig/Error/Loader.php
  21. 22
      inc/lib/Twig/Error/Runtime.php
  22. 55
      inc/lib/Twig/Error/Syntax.php
  23. 31
      inc/lib/Twig/ExistsLoaderInterface.php
  24. 744
      inc/lib/Twig/ExpressionParser.php
  25. 69
      inc/lib/Twig/Extension.php
  26. 1642
      inc/lib/Twig/Extension/Core.php
  27. 67
      inc/lib/Twig/Extension/Debug.php
  28. 112
      inc/lib/Twig/Extension/Escaper.php
  29. 24
      inc/lib/Twig/Extension/GlobalsInterface.php
  30. 24
      inc/lib/Twig/Extension/InitRuntimeInterface.php
  31. 35
      inc/lib/Twig/Extension/Optimizer.php
  32. 49
      inc/lib/Twig/Extension/Profiler.php
  33. 103
      inc/lib/Twig/Extension/Sandbox.php
  34. 112
      inc/lib/Twig/Extension/Staging.php
  35. 47
      inc/lib/Twig/Extension/StringLoader.php
  36. 90
      inc/lib/Twig/ExtensionInterface.php
  37. 39
      inc/lib/Twig/FactoryRuntimeLoader.php
  38. 60
      inc/lib/Twig/FileExtensionEscapingStrategy.php
  39. 84
      inc/lib/Twig/Filter.php
  40. 40
      inc/lib/Twig/Filter/Function.php
  41. 42
      inc/lib/Twig/Filter/Method.php
  42. 42
      inc/lib/Twig/Filter/Node.php
  43. 24
      inc/lib/Twig/FilterCallableInterface.php
  44. 43
      inc/lib/Twig/FilterInterface.php
  45. 74
      inc/lib/Twig/Function.php
  46. 41
      inc/lib/Twig/Function/Function.php
  47. 43
      inc/lib/Twig/Function/Method.php
  48. 42
      inc/lib/Twig/Function/Node.php
  49. 24
      inc/lib/Twig/FunctionCallableInterface.php
  50. 40
      inc/lib/Twig/FunctionInterface.php
  51. 427
      inc/lib/Twig/Lexer.php
  52. 32
      inc/lib/Twig/LexerInterface.php
  53. 97
      inc/lib/Twig/Loader/Array.php
  54. 151
      inc/lib/Twig/Loader/Chain.php
  55. 290
      inc/lib/Twig/Loader/Filesystem.php
  56. 58
      inc/lib/Twig/Loader/String.php
  57. 57
      inc/lib/Twig/LoaderInterface.php
  58. 39
      inc/lib/Twig/Markup.php
  59. 256
      inc/lib/Twig/Node.php
  60. 36
      inc/lib/Twig/Node/AutoEscape.php
  61. 41
      inc/lib/Twig/Node/Block.php
  62. 34
      inc/lib/Twig/Node/BlockReference.php
  63. 21
      inc/lib/Twig/Node/Body.php
  64. 80
      inc/lib/Twig/Node/CheckSecurity.php
  65. 35
      inc/lib/Twig/Node/Do.php
  66. 46
      inc/lib/Twig/Node/Embed.php
  67. 22
      inc/lib/Twig/Node/Expression.php
  68. 83
      inc/lib/Twig/Node/Expression/Array.php
  69. 25
      inc/lib/Twig/Node/Expression/AssignName.php
  70. 37
      inc/lib/Twig/Node/Expression/Binary.php
  71. 20
      inc/lib/Twig/Node/Expression/Binary/Add.php
  72. 20
      inc/lib/Twig/Node/Expression/Binary/And.php
  73. 20
      inc/lib/Twig/Node/Expression/Binary/BitwiseAnd.php
  74. 20
      inc/lib/Twig/Node/Expression/Binary/BitwiseOr.php
  75. 20
      inc/lib/Twig/Node/Expression/Binary/BitwiseXor.php
  76. 20
      inc/lib/Twig/Node/Expression/Binary/Concat.php
  77. 20
      inc/lib/Twig/Node/Expression/Binary/Div.php
  78. 32
      inc/lib/Twig/Node/Expression/Binary/EndsWith.php
  79. 19
      inc/lib/Twig/Node/Expression/Binary/Equal.php
  80. 26
      inc/lib/Twig/Node/Expression/Binary/FloorDiv.php
  81. 19
      inc/lib/Twig/Node/Expression/Binary/Greater.php
  82. 19
      inc/lib/Twig/Node/Expression/Binary/GreaterEqual.php
  83. 30
      inc/lib/Twig/Node/Expression/Binary/In.php
  84. 19
      inc/lib/Twig/Node/Expression/Binary/Less.php
  85. 19
      inc/lib/Twig/Node/Expression/Binary/LessEqual.php
  86. 30
      inc/lib/Twig/Node/Expression/Binary/Matches.php
  87. 20
      inc/lib/Twig/Node/Expression/Binary/Mod.php
  88. 20
      inc/lib/Twig/Node/Expression/Binary/Mul.php
  89. 19
      inc/lib/Twig/Node/Expression/Binary/NotEqual.php
  90. 30
      inc/lib/Twig/Node/Expression/Binary/NotIn.php
  91. 20
      inc/lib/Twig/Node/Expression/Binary/Or.php
  92. 34
      inc/lib/Twig/Node/Expression/Binary/Power.php
  93. 30
      inc/lib/Twig/Node/Expression/Binary/Range.php
  94. 32
      inc/lib/Twig/Node/Expression/Binary/StartsWith.php
  95. 20
      inc/lib/Twig/Node/Expression/Binary/Sub.php
  96. 93
      inc/lib/Twig/Node/Expression/BlockReference.php
  97. 291
      inc/lib/Twig/Node/Expression/Call.php
  98. 33
      inc/lib/Twig/Node/Expression/Conditional.php
  99. 25
      inc/lib/Twig/Node/Expression/Constant.php
  100. 32
      inc/lib/Twig/Node/Expression/ExtensionReference.php

16
README.md

@ -10,11 +10,13 @@ We highly recommend you read the [vichan GitHub wiki](http://github.com/vichan-d
Requirements
------------
1. PHP >= 5.4. PHP 7.0 is explicitly supported. There is a PHP 8 capable branch.
1. PHP >= 5.4 (we do not actively check if this is still supported)
PHP 8.0 is explicitly supported. PHP 7.x should be compatable.
2. MySQL/MariaDB server >= 5.5.3
3. [mbstring](http://www.php.net/manual/en/mbstring.installation.php)
4. [PHP GD](http://www.php.net/manual/en/intro.image.php)
5. [PHP PDO](http://www.php.net/manual/en/intro.pdo.php)
3. [Composer](https://getcomposer.org/) (To install various packages)
4. [mbstring](http://www.php.net/manual/en/mbstring.installation.php)
5. [PHP GD](http://www.php.net/manual/en/intro.image.php)
6. [PHP PDO](http://www.php.net/manual/en/intro.pdo.php)
This should be compatible with all major web servers and
operating systems. This code does not include an Apache ```.htaccess``` file nor does
@ -23,6 +25,7 @@ it need one.
### Recommended
1. ImageMagick (command-line ImageMagick or GraphicsMagick preferred).
2. [APC (Alternative PHP Cache)](http://php.net/manual/en/book.apc.php),
Redis,
[XCache](http://xcache.lighttpd.net/) or
[Memcached](http://www.php.net/manual/en/intro.memcached.php)
@ -42,9 +45,10 @@ Installation
git clone git://git.leftypol.org/leftypol/leftypol.git
2. Navigate to ```install.php``` in your web browser and follow the
2. run ```composer install``` inside the directory
3. Navigate to ```install.php``` in your web browser and follow the
prompts.
3. leftypol should now be installed. Log in to ```mod.php``` with the
4. leftypol should now be installed. Log in to ```mod.php``` with the
default username and password combination: **admin / password**.
Please remember to change the administrator account password.

3
banned.php

@ -1,6 +1,5 @@
<?php
require_once 'inc/functions.php';
require_once 'inc/bans.php';
require_once 'inc/bootstrap.php';
checkBan();
//If the user is not banned, show the "not banned" page.

47
composer.json

@ -1,5 +1,48 @@
{
"name": "towards-a-new-leftypol/leftypol_lainchan",
"description": "leftypol imageboard",
"type": "project",
"require": {
"phpunit/phpunit": "^5"
}
"twig/twig": "^1.44.2",
"lifo/ip": "^1.0",
"gettext/gettext": "^1.0",
"mrclay/minify": "^2.1.6",
"geoip/geoip": "^1.17"
},
"autoload": {
"classmap": ["inc/"],
"files": [
"inc/bootstrap.php",
"inc/display.php",
"inc/template.php",
"inc/database.php",
"inc/events.php",
"inc/api.php",
"inc/mod/auth.php",
"inc/lock.php",
"inc/queue.php",
"inc/polyfill.php",
"inc/error.php",
"inc/functions.php"
]
},
"license": "Tinyboard + vichan",
"authors": [
{
"name": "tinyboard contributors",
"homepage": "https://github.com/savetheinternet/Tinyboard"
},
{
"name": "vichan contributors",
"homepage": "https://github.com/vichan-devel/vichan/"
},
{
"name": "lainchan contributors",
"homepage": "https://github.com/lainchan/lainchan/"
},
{
"name": "leftypol contributors",
"homepage": "https://github.com/towards-a-new-leftypol/leftypol_lainchan/"
}
]
}

1464
composer.lock

File diff suppressed because it is too large

63
inc/anti-bot.php

@ -233,66 +233,3 @@ function _create_antibot($board, $thread) {
return $antibot;
}
function checkSpam(array $extra_salt = array()) {
global $config, $pdo;
if (!isset($_POST['hash']))
return true;
$hash = $_POST['hash'];
if (!empty($extra_salt)) {
// create a salted hash of the "extra salt"
$extra_salt = implode(':', $extra_salt);
} else {
$extra_salt = '';
}
// Reconsturct the $inputs array
$inputs = array();
foreach ($_POST as $name => $value) {
if (in_array($name, $config['spam']['valid_inputs']))
continue;
$inputs[$name] = $value;
}
// Sort the inputs in alphabetical order (A-Z)
ksort($inputs);
$_hash = '';
// Iterate through each input
foreach ($inputs as $name => $value) {
print_err("-> " . $name . ' : ' . $value);
$_hash .= $name . '=' . $value;
}
// Add a salt to the hash
$_hash .= $config['cookies']['salt'];
// Use SHA1 for the hash
$_hash = sha1($_hash . $extra_salt);
if ($hash != $_hash) {
print_err("Hash mismatch");
return true;
}
$query = prepare('SELECT `passed` FROM ``antispam`` WHERE `hash` = :hash');
$query->bindValue(':hash', $hash);
$query->execute() or error(db_error($query));
if ((($passed = $query->fetchColumn(0)) === false) || ($passed > $config['spam']['hidden_inputs_max_pass'])) {
// there was no database entry for this hash. most likely expired.
return true;
}
return $hash;
}
function incrementSpamHash($hash) {
$query = prepare('UPDATE ``antispam`` SET `passed` = `passed` + 1 WHERE `hash` = :hash');
$query->bindValue(':hash', $hash);
$query->execute() or error(db_error($query));
}

4
inc/bans.php

@ -1,9 +1,5 @@
<?php
require_once 'inc/lib/IP/Lifo/IP/IP.php';
require_once 'inc/lib/IP/Lifo/IP/BC.php';
require_once 'inc/lib/IP/Lifo/IP/CIDR.php';
use Lifo\IP\CIDR;
class Bans {

3
inc/bootstrap.php

@ -0,0 +1,3 @@
<?php
define('TINYBOARD', 'xD');
require_once('vendor/autoload.php');

4
inc/error.php

@ -1,4 +1,4 @@
<?PHP
<?php
function error_handler($errno,$errstr,$errfile, $errline, $errcontext){
if(error_reporting() & $errno){
@ -22,6 +22,8 @@ function fatal_error_handler(){
register_shutdown_function('fatal_error_handler');
// Due to composer autoload, this isn't implicitly global anymore
global $error_recursion;
$error_recursion=false;
function error($message, $priority = true, $debug_stuff = false) {

86
inc/functions.php

@ -9,31 +9,10 @@ if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
exit;
}
define('TINYBOARD', null);
$microtime_start = microtime(true);
require_once 'inc/error.php';
require_once 'inc/cache.php';
require_once 'inc/display.php';
require_once 'inc/template.php';
require_once 'inc/database.php';
require_once 'inc/events.php';
require_once 'inc/api.php';
require_once 'inc/mod/auth.php';
require_once 'inc/lock.php';
require_once 'inc/queue.php';
require_once 'inc/polyfill.php';
require_once 'inc/lib/IP/Lifo/IP/IP.php';
@include_once 'inc/lib/parsedown/Parsedown.php'; // fail silently, this isn't a critical piece of code
require_once 'inc/anti-bot.php'; // DELETE ME THIS IS FOR print_err function only!
use Lifo\IP\IP; // for expanding IPv6 address in DNSBL()
if (!extension_loaded('gettext')) {
require_once 'inc/lib/gettext/gettext.inc';
}
// the user is not currently logged in as a moderator
$mod = false;
@ -1611,6 +1590,70 @@ function checkMute() {
}
}
function checkSpam(array $extra_salt = array()) {
global $config, $pdo;
if (!isset($_POST['hash']))
return true;
$hash = $_POST['hash'];
if (!empty($extra_salt)) {
// create a salted hash of the "extra salt"
$extra_salt = implode(':', $extra_salt);
} else {
$extra_salt = '';
}
// Reconsturct the $inputs array
$inputs = array();
foreach ($_POST as $name => $value) {
if (in_array($name, $config['spam']['valid_inputs']))
continue;
$inputs[$name] = $value;
}
// Sort the inputs in alphabetical order (A-Z)
ksort($inputs);
$_hash = '';
// Iterate through each input
foreach ($inputs as $name => $value) {
print_err("-> " . $name . ' : ' . $value);
$_hash .= $name . '=' . $value;
}
// Add a salt to the hash
$_hash .= $config['cookies']['salt'];
// Use SHA1 for the hash
$_hash = sha1($_hash . $extra_salt);
if ($hash != $_hash) {
print_err("Hash mismatch");
return true;
}
$query = prepare('SELECT `passed` FROM ``antispam`` WHERE `hash` = :hash');
$query->bindValue(':hash', $hash);
$query->execute() or error(db_error($query));
if ((($passed = $query->fetchColumn(0)) === false) || ($passed > $config['spam']['hidden_inputs_max_pass'])) {
// there was no database entry for this hash. most likely expired.
return true;
}
return $hash;
}
function incrementSpamHash($hash) {
$query = prepare('UPDATE ``antispam`` SET `passed` = `passed` + 1 WHERE `hash` = :hash');
$query->bindValue(':hash', $hash);
$query->execute() or error(db_error($query));
}
function buildIndex($global_api = "yes") {
global $board, $config, $build_pages;
@ -1746,7 +1789,6 @@ function buildJavascript() {
}
if ($config['minify_js']) {
require_once 'inc/lib/minify/JSMin.php';
$script = JSMin::minify($script);
}

54
inc/lib/Twig/Autoloader.php

@ -1,54 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
@trigger_error('The Twig_Autoloader class is deprecated since version 1.21 and will be removed in 2.0. Use Composer instead.', E_USER_DEPRECATED);
/**
* Autoloads Twig classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @deprecated since 1.21 and will be removed in 2.0. Use Composer instead. 2.0.
*/
class Twig_Autoloader
{
/**
* Registers Twig_Autoloader as an SPL autoloader.
*
* @param bool $prepend whether to prepend the autoloader or not
*/
public static function register($prepend = false)
{
@trigger_error('Using Twig_Autoloader is deprecated since version 1.21. Use Composer instead.', E_USER_DEPRECATED);
if (PHP_VERSION_ID < 50300) {
spl_autoload_register(array(__CLASS__, 'autoload'));
} else {
spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend);
}
}
/**
* Handles autoloading of classes.
*
* @param string $class a class name
*/
public static function autoload($class)
{
if (0 !== strpos($class, 'Twig')) {
return;
}
if (is_file($file = dirname(__FILE__).'/../'.str_replace(array('_', "\0"), array('/', ''), $class).'.php')) {
require $file;
}
}
}

54
inc/lib/Twig/BaseNodeVisitor.php

@ -1,54 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Twig_BaseNodeVisitor can be used to make node visitors compatible with Twig 1.x and 2.x.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class Twig_BaseNodeVisitor implements Twig_NodeVisitorInterface
{
final public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
{
if (!$node instanceof Twig_Node) {
throw new LogicException('Twig_BaseNodeVisitor only supports Twig_Node instances.');
}
return $this->doEnterNode($node, $env);
}
final public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
{
if (!$node instanceof Twig_Node) {
throw new LogicException('Twig_BaseNodeVisitor only supports Twig_Node instances.');
}
return $this->doLeaveNode($node, $env);
}
/**
* Called before child nodes are visited.
*
* @return Twig_Node The modified node
*/
abstract protected function doEnterNode(Twig_Node $node, Twig_Environment $env);
/**
* Called after child nodes are visited.
*
* @return Twig_Node|false The modified node or false if the node must be removed
*/
abstract protected function doLeaveNode(Twig_Node $node, Twig_Environment $env);
}
class_alias('Twig_BaseNodeVisitor', 'Twig\NodeVisitor\AbstractNodeVisitor', false);
class_exists('Twig_Environment');
class_exists('Twig_Node');

93
inc/lib/Twig/Cache/Filesystem.php

@ -1,93 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Implements a cache on the filesystem.
*
* @author Andrew Tch <andrew@noop.lv>
*/
class Twig_Cache_Filesystem implements Twig_CacheInterface
{
const FORCE_BYTECODE_INVALIDATION = 1;
private $directory;
private $options;
/**
* @param $directory string The root cache directory
* @param $options int A set of options
*/
public function __construct($directory, $options = 0)
{
$this->directory = rtrim($directory, '\/').'/';
$this->options = $options;
}
public function generateKey($name, $className)
{
$hash = hash('sha256', $className);
return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php';
}
public function load($key)
{
if (file_exists($key)) {
@include_once $key;
}
}
public function write($key, $content)
{
$dir = dirname($key);
if (!is_dir($dir)) {
if (false === @mkdir($dir, 0777, true)) {
if (PHP_VERSION_ID >= 50300) {
clearstatcache(true, $dir);
}
if (!is_dir($dir)) {
throw new RuntimeException(sprintf('Unable to create the cache directory (%s).', $dir));
}
}
} elseif (!is_writable($dir)) {
throw new RuntimeException(sprintf('Unable to write in the cache directory (%s).', $dir));
}
$tmpFile = tempnam($dir, basename($key));
if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) {
@chmod($key, 0666 & ~umask());
if (self::FORCE_BYTECODE_INVALIDATION == ($this->options & self::FORCE_BYTECODE_INVALIDATION)) {
// Compile cached file into bytecode cache
if (function_exists('opcache_invalidate')) {
opcache_invalidate($key, true);
} elseif (function_exists('apc_compile_file')) {
apc_compile_file($key);
}
}
return;
}
throw new RuntimeException(sprintf('Failed to write cache file "%s".', $key));
}
public function getTimestamp($key)
{
if (!file_exists($key)) {
return 0;
}
return (int) @filemtime($key);
}
}
class_alias('Twig_Cache_Filesystem', 'Twig\Cache\FilesystemCache', false);

40
inc/lib/Twig/Cache/Null.php

@ -1,40 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Implements a no-cache strategy.
*
* @final
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Cache_Null implements Twig_CacheInterface
{
public function generateKey($name, $className)
{
return '';
}
public function write($key, $content)
{
}
public function load($key)
{
}
public function getTimestamp($key)
{
return 0;
}
}
class_alias('Twig_Cache_Null', 'Twig\Cache\NullCache', false);

58
inc/lib/Twig/CacheInterface.php

@ -1,58 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface implemented by cache classes.
*
* It is highly recommended to always store templates on the filesystem to
* benefit from the PHP opcode cache. This interface is mostly useful if you
* need to implement a custom strategy for storing templates on the filesystem.
*
* @author Andrew Tch <andrew@noop.lv>
*/
interface Twig_CacheInterface
{
/**
* Generates a cache key for the given template class name.
*
* @param string $name The template name
* @param string $className The template class name
*
* @return string
*/
public function generateKey($name, $className);
/**
* Writes the compiled template to cache.
*
* @param string $key The cache key
* @param string $content The template representation as a PHP class
*/
public function write($key, $content);
/**
* Loads a template from the cache.
*
* @param string $key The cache key
*/
public function load($key);
/**
* Returns the modification timestamp of a key.
*
* @param string $key The cache key
*
* @return int
*/
public function getTimestamp($key);
}
class_alias('Twig_CacheInterface', 'Twig\Cache\CacheInterface', false);

286
inc/lib/Twig/Compiler.php

@ -1,286 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
* (c) Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Compiles a node to PHP code.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Compiler implements Twig_CompilerInterface
{
protected $lastLine;
protected $source;
protected $indentation;
protected $env;
protected $debugInfo = array();
protected $sourceOffset;
protected $sourceLine;
protected $filename;
private $varNameSalt = 0;
public function __construct(Twig_Environment $env)
{
$this->env = $env;
}
/**
* @deprecated since 1.25 (to be removed in 2.0)
*/
public function getFilename()
{
@trigger_error(sprintf('The %s() method is deprecated since version 1.25 and will be removed in 2.0.', __FUNCTION__), E_USER_DEPRECATED);
return $this->filename;
}
/**
* Returns the environment instance related to this compiler.
*
* @return Twig_Environment
*/
public function getEnvironment()
{
return $this->env;
}
/**
* Gets the current PHP code after compilation.
*
* @return string The PHP code
*/
public function getSource()
{
return $this->source;
}
/**
* Compiles a node.
*
* @param Twig_NodeInterface $node The node to compile
* @param int $indentation The current indentation
*
* @return $this
*/
public function compile(Twig_NodeInterface $node, $indentation = 0)
{
$this->lastLine = null;
$this->source = '';
$this->debugInfo = array();
$this->sourceOffset = 0;
// source code starts at 1 (as we then increment it when we encounter new lines)
$this->sourceLine = 1;
$this->indentation = $indentation;
$this->varNameSalt = 0;
if ($node instanceof Twig_Node_Module) {
// to be removed in 2.0
$this->filename = $node->getTemplateName();
}
$node->compile($this);
return $this;
}
public function subcompile(Twig_NodeInterface $node, $raw = true)
{
if (false === $raw) {
$this->source .= str_repeat(' ', $this->indentation * 4);
}
$node->compile($this);
return $this;
}
/**
* Adds a raw string to the compiled code.
*
* @param string $string The string
*
* @return $this
*/
public function raw($string)
{
$this->source .= $string;
return $this;
}
/**
* Writes a string to the compiled code by adding indentation.
*
* @return $this
*/
public function write()
{
$strings = func_get_args();
foreach ($strings as $string) {
$this->source .= str_repeat(' ', $this->indentation * 4).$string;
}
return $this;
}
/**
* Appends an indentation to the current PHP code after compilation.
*
* @return $this
*
* @deprecated since 1.27 (to be removed in 2.0).
*/
public function addIndentation()
{
@trigger_error('The '.__METHOD__.' method is deprecated since version 1.27 and will be removed in 2.0. Use write(\'\') instead.', E_USER_DEPRECATED);
$this->source .= str_repeat(' ', $this->indentation * 4);
return $this;
}
/**
* Adds a quoted string to the compiled code.
*
* @param string $value The string
*
* @return $this
*/
public function string($value)
{
$this->source .= sprintf('"%s"', addcslashes($value, "\0\t\"\$\\"));
return $this;
}
/**
* Returns a PHP representation of a given value.
*
* @param mixed $value The value to convert
*
* @return $this
*/
public function repr($value)
{
if (is_int($value) || is_float($value)) {
if (false !== $locale = setlocale(LC_NUMERIC, '0')) {
setlocale(LC_NUMERIC, 'C');
}
$this->raw($value);
if (false !== $locale) {
setlocale(LC_NUMERIC, $locale);
}
} elseif (null === $value) {
$this->raw('null');
} elseif (is_bool($value)) {
$this->raw($value ? 'true' : 'false');
} elseif (is_array($value)) {
$this->raw('array(');
$first = true;
foreach ($value as $key => $v) {
if (!$first) {
$this->raw(', ');
}
$first = false;
$this->repr($key);
$this->raw(' => ');
$this->repr($v);
}
$this->raw(')');
} else {
$this->string($value);
}
return $this;
}
/**
* Adds debugging information.
*
* @return $this
*/
public function addDebugInfo(Twig_NodeInterface $node)
{
if ($node->getTemplateLine() != $this->lastLine) {
$this->write(sprintf("// line %d\n", $node->getTemplateLine()));
// when mbstring.func_overload is set to 2
// mb_substr_count() replaces substr_count()
// but they have different signatures!
if (((int) ini_get('mbstring.func_overload')) & 2) {
@trigger_error('Support for having "mbstring.func_overload" different from 0 is deprecated version 1.29 and will be removed in 2.0.', E_USER_DEPRECATED);
// this is much slower than the "right" version
$this->sourceLine += mb_substr_count(mb_substr($this->source, $this->sourceOffset), "\n");
} else {
$this->sourceLine += substr_count($this->source, "\n", $this->sourceOffset);
}
$this->sourceOffset = strlen($this->source);
$this->debugInfo[$this->sourceLine] = $node->getTemplateLine();
$this->lastLine = $node->getTemplateLine();
}
return $this;
}
public function getDebugInfo()
{
ksort($this->debugInfo);
return $this->debugInfo;
}
/**
* Indents the generated code.
*
* @param int $step The number of indentation to add
*
* @return $this
*/
public function indent($step = 1)
{
$this->indentation += $step;
return $this;
}
/**
* Outdents the generated code.
*
* @param int $step The number of indentation to remove
*
* @return $this
*
* @throws LogicException When trying to outdent too much so the indentation would become negative
*/
public function outdent($step = 1)
{
// can't outdent by more steps than the current indentation level
if ($this->indentation < $step) {
throw new LogicException('Unable to call outdent() as the indentation would become negative.');
}
$this->indentation -= $step;
return $this;
}
public function getVarName()
{
return sprintf('__internal_%s', hash('sha256', __METHOD__.$this->varNameSalt++));
}
}
class_alias('Twig_Compiler', 'Twig\Compiler', false);
class_exists('Twig_Node');

34
inc/lib/Twig/CompilerInterface.php

@ -1,34 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface implemented by compiler classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @deprecated since 1.12 (to be removed in 3.0)
*/
interface Twig_CompilerInterface
{
/**
* Compiles a node.
*
* @return $this
*/
public function compile(Twig_NodeInterface $node);
/**
* Gets the current PHP code after compilation.
*
* @return string The PHP code
*/
public function getSource();
}

39
inc/lib/Twig/ContainerRuntimeLoader.php

@ -1,39 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use Psr\Container\ContainerInterface;
/**
* Lazily loads Twig runtime implementations from a PSR-11 container.
*
* Note that the runtime services MUST use their class names as identifiers.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Robin Chalas <robin.chalas@gmail.com>
*/
class Twig_ContainerRuntimeLoader implements Twig_RuntimeLoaderInterface
{
private $container;
public function __construct(ContainerInterface $container)
{
$this->container = $container;
}
public function load($class)
{
if ($this->container->has($class)) {
return $this->container->get($class);
}
}
}
class_alias('Twig_ContainerRuntimeLoader', 'Twig\RuntimeLoader\ContainerRuntimeLoader', false);

1604
inc/lib/Twig/Environment.php

File diff suppressed because it is too large

363
inc/lib/Twig/Error.php

@ -1,363 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Twig base exception.
*
* This exception class and its children must only be used when
* an error occurs during the loading of a template, when a syntax error
* is detected in a template, or when rendering a template. Other
* errors must use regular PHP exception classes (like when the template
* cache directory is not writable for instance).
*
* To help debugging template issues, this class tracks the original template
* name and line where the error occurred.
*
* Whenever possible, you must set these information (original template name
* and line number) yourself by passing them to the constructor. If some or all
* these information are not available from where you throw the exception, then
* this class will guess them automatically (when the line number is set to -1
* and/or the name is set to null). As this is a costly operation, this
* can be disabled by passing false for both the name and the line number
* when creating a new instance of this class.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error extends Exception
{
protected $lineno;
// to be renamed to name in 2.0
protected $filename;
protected $rawMessage;
protected $previous;
private $sourcePath;
private $sourceCode;
/**
* Constructor.
*
* Set both the line number and the name to false to
* disable automatic guessing of the original template name
* and line number.
*
* Set the line number to -1 to enable its automatic guessing.
* Set the name to null to enable its automatic guessing.
*
* By default, automatic guessing is enabled.
*
* @param string $message The error message
* @param int $lineno The template line where the error occurred
* @param Twig_Source|string|null $source The source context where the error occurred
* @param Exception $previous The previous exception
*/
public function __construct($message, $lineno = -1, $source = null, Exception $previous = null)
{
if (null === $source) {
$name = null;
} elseif (!$source instanceof Twig_Source) {
// for compat with the Twig C ext., passing the template name as string is accepted
$name = $source;
} else {
$name = $source->getName();
$this->sourceCode = $source->getCode();
$this->sourcePath = $source->getPath();
}
if (PHP_VERSION_ID < 50300) {
$this->previous = $previous;
parent::__construct('');
} else {
parent::__construct('', 0, $previous);
}
$this->lineno = $lineno;
$this->filename = $name;
if (-1 === $lineno || null === $name || null === $this->sourcePath) {
$this->guessTemplateInfo();
}
$this->rawMessage = $message;
$this->updateRepr();
}
/**
* Gets the raw message.
*
* @return string The raw message
*/
public function getRawMessage()
{
return $this->rawMessage;
}
/**
* Gets the logical name where the error occurred.
*
* @return string The name
*
* @deprecated since 1.27 (to be removed in 2.0). Use getSourceContext() instead.
*/
public function getTemplateFile()
{
@trigger_error(sprintf('The "%s" method is deprecated since version 1.27 and will be removed in 2.0. Use getSourceContext() instead.', __METHOD__), E_USER_DEPRECATED);
return $this->filename;
}
/**
* Sets the logical name where the error occurred.
*
* @param string $name The name
*
* @deprecated since 1.27 (to be removed in 2.0). Use setSourceContext() instead.
*/
public function setTemplateFile($name)
{
@trigger_error(sprintf('The "%s" method is deprecated since version 1.27 and will be removed in 2.0. Use setSourceContext() instead.', __METHOD__), E_USER_DEPRECATED);
$this->filename = $name;
$this->updateRepr();
}
/**
* Gets the logical name where the error occurred.
*
* @return string The name
*
* @deprecated since 1.29 (to be removed in 2.0). Use getSourceContext() instead.
*/
public function getTemplateName()
{
@trigger_error(sprintf('The "%s" method is deprecated since version 1.29 and will be removed in 2.0. Use getSourceContext() instead.', __METHOD__), E_USER_DEPRECATED);
return $this->filename;
}
/**
* Sets the logical name where the error occurred.
*
* @param string $name The name
*
* @deprecated since 1.29 (to be removed in 2.0). Use setSourceContext() instead.
*/
public function setTemplateName($name)
{
@trigger_error(sprintf('The "%s" method is deprecated since version 1.29 and will be removed in 2.0. Use setSourceContext() instead.', __METHOD__), E_USER_DEPRECATED);
$this->filename = $name;
$this->sourceCode = $this->sourcePath = null;
$this->updateRepr();
}
/**
* Gets the template line where the error occurred.
*
* @return int The template line
*/
public function getTemplateLine()
{
return $this->lineno;
}
/**
* Sets the template line where the error occurred.
*
* @param int $lineno The template line
*/
public function setTemplateLine($lineno)
{
$this->lineno = $lineno;
$this->updateRepr();
}
/**
* Gets the source context of the Twig template where the error occurred.
*
* @return Twig_Source|null
*/
public function getSourceContext()
{
return $this->filename ? new Twig_Source($this->sourceCode, $this->filename, $this->sourcePath) : null;
}
/**
* Sets the source context of the Twig template where the error occurred.
*/
public function setSourceContext(Twig_Source $source = null)
{
if (null === $source) {
$this->sourceCode = $this->filename = $this->sourcePath = null;
} else {
$this->sourceCode = $source->getCode();
$this->filename = $source->getName();
$this->sourcePath = $source->getPath();
}
$this->updateRepr();
}
public function guess()
{
$this->guessTemplateInfo();
$this->updateRepr();
}
/**
* For PHP < 5.3.0, provides access to the getPrevious() method.
*
* @param string $method The method name
* @param array $arguments The parameters to be passed to the method
*
* @return Exception The previous exception or null
*
* @throws BadMethodCallException
*/
public function __call($method, $arguments)
{
if ('getprevious' == strtolower($method)) {
return $this->previous;
}
throw new BadMethodCallException(sprintf('Method "Twig_Error::%s()" does not exist.', $method));
}
public function appendMessage($rawMessage)
{
$this->rawMessage .= $rawMessage;
$this->updateRepr();
}
/**
* @internal
*/
protected function updateRepr()
{
$this->message = $this->rawMessage;
if ($this->sourcePath && $this->lineno > 0) {
$this->file = $this->sourcePath;
$this->line = $this->lineno;
return;
}
$dot = false;
if ('.' === substr($this->message, -1)) {
$this->message = substr($this->message, 0, -1);
$dot = true;
}
$questionMark = false;
if ('?' === substr($this->message, -1)) {
$this->message = substr($this->message, 0, -1);
$questionMark = true;
}
if ($this->filename) {
if (is_string($this->filename) || (is_object($this->filename) && method_exists($this->filename, '__toString'))) {
$name = sprintf('"%s"', $this->filename);
} else {
$name = json_encode($this->filename);
}
$this->message .= sprintf(' in %s', $name);
}
if ($this->lineno && $this->lineno >= 0) {
$this->message .= sprintf(' at line %d', $this->lineno);
}
if ($dot) {
$this->message .= '.';
}
if ($questionMark) {
$this->message .= '?';
}
}
/**
* @internal
*/
protected function guessTemplateInfo()
{
$template = null;
$templateClass = null;
if (PHP_VERSION_ID >= 50306) {
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT);
} else {
$backtrace = debug_backtrace();
}
foreach ($backtrace as $trace) {
if (isset($trace['object']) && $trace['object'] instanceof Twig_Template && 'Twig_Template' !== get_class($trace['object'])) {
$currentClass = get_class($trace['object']);
$isEmbedContainer = 0 === strpos($templateClass, $currentClass);
if (null === $this->filename || ($this->filename == $trace['object']->getTemplateName() && !$isEmbedContainer)) {
$template = $trace['object'];
$templateClass = get_class($trace['object']);
}
}
}
// update template name
if (null !== $template && null === $this->filename) {
$this->filename = $template->getTemplateName();
}
// update template path if any
if (null !== $template && null === $this->sourcePath) {
$src = $template->getSourceContext();
$this->sourceCode = $src->getCode();
$this->sourcePath = $src->getPath();
}
if (null === $template || $this->lineno > -1) {
return;
}
$r = new ReflectionObject($template);
$file = $r->getFileName();
$exceptions = array($e = $this);
while (($e instanceof self || method_exists($e, 'getPrevious')) && $e = $e->getPrevious()) {
$exceptions[] = $e;
}
while ($e = array_pop($exceptions)) {
$traces = $e->getTrace();
array_unshift($traces, array('file' => $e->getFile(), 'line' => $e->getLine()));
while ($trace = array_shift($traces)) {
if (!isset($trace['file']) || !isset($trace['line']) || $file != $trace['file']) {
continue;
}
foreach ($template->getDebugInfo() as $codeLine => $templateLine) {
if ($codeLine <= $trace['line']) {
// update template line
$this->lineno = $templateLine;
return;
}
}
}
}
}
}
class_alias('Twig_Error', 'Twig\Error\Error', false);
class_exists('Twig_Source');

40
inc/lib/Twig/Error/Loader.php

@ -1,40 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Exception thrown when an error occurs during template loading.
*
* Automatic template information guessing is always turned off as
* if a template cannot be loaded, there is nothing to guess.
* However, when a template is loaded from another one, then, we need
* to find the current context and this is automatically done by
* Twig_Template::displayWithErrorHandling().
*
* This strategy makes Twig_Environment::resolveTemplate() much faster.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error_Loader extends Twig_Error
{
public function __construct($message, $lineno = -1, $source = null, Exception $previous = null)
{
if (PHP_VERSION_ID < 50300) {
$this->previous = $previous;
Exception::__construct('');
} else {
Exception::__construct('', 0, $previous);
}
$this->appendMessage($message);
$this->setTemplateLine(false);
}
}
class_alias('Twig_Error_Loader', 'Twig\Error\LoaderError', false);

22
inc/lib/Twig/Error/Runtime.php

@ -1,22 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
* (c) Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Exception thrown when an error occurs at runtime.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error_Runtime extends Twig_Error
{
}
class_alias('Twig_Error_Runtime', 'Twig\Error\RuntimeError', false);

55
inc/lib/Twig/Error/Syntax.php

@ -1,55 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
* (c) Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Exception thrown when a syntax error occurs during lexing or parsing of a template.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Twig_Error_Syntax extends Twig_Error
{
/**
* Tweaks the error message to include suggestions.
*
* @param string $name The original name of the item that does not exist
* @param array $items An array of possible items
*/
public function addSuggestions($name, array $items)
{
if (!$alternatives = self::computeAlternatives($name, $items)) {
return;
}
$this->appendMessage(sprintf(' Did you mean "%s"?', implode('", "', $alternatives)));
}
/**
* @internal
*
* To be merged with the addSuggestions() method in 2.0.
*/
public static function computeAlternatives($name, $items)
{
$alternatives = array();
foreach ($items as $item) {
$lev = levenshtein($name, $item);
if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
$alternatives[$item] = $lev;
}
}
asort($alternatives);
return array_keys($alternatives);
}
}
class_alias('Twig_Error_Syntax', 'Twig\Error\SyntaxError', false);

31
inc/lib/Twig/ExistsLoaderInterface.php

@ -1,31 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Adds an exists() method for loaders.
*
* @author Florin Patan <florinpatan@gmail.com>
*
* @deprecated since 1.12 (to be removed in 3.0)
*/
interface Twig_ExistsLoaderInterface
{
/**
* Check if we have the source code of a template, given its name.
*
* @param string $name The name of the template to check if we can load
*
* @return bool If the template source code is handled by this loader or not
*/
public function exists($name);
}
class_alias('Twig_ExistsLoaderInterface', 'Twig\Loader\ExistsLoaderInterface', false);

744
inc/lib/Twig/ExpressionParser.php

@ -1,744 +0,0 @@
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
* (c) Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Parses expressions.
*
* This parser implements a "Precedence climbing" algorithm.
*
* @see https://www.engr.mun.ca/~theo/Misc/exp_parsing.htm
* @see https://en.wikipedia.org/wiki/Operator-precedence_parser
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
class Twig_ExpressionParser
{
const OPERATOR_LEFT = 1;
const OPERATOR_RIGHT = 2;
protected $parser;
protected $unaryOperators;
protected $binaryOperators;
private $env;
public function __construct(Twig_Parser $parser, $env = null)
{
$this->parser = $parser;
if ($env instanceof Twig_Environment) {
$this->env = $env;
$this->unaryOperators = $env->getUnaryOperators();
$this->binaryOperators = $env->getBinaryOperators();
} else {
@trigger_error('Passing the operators as constructor arguments to '.__METHOD__.' is deprecated since version 1.27. Pass the environment instead.', E_USER_DEPRECATED);
$this->env = $parser->getEnvironment();
$this->unaryOperators = func_get_arg(1);
$this->binaryOperators = func_get_arg(2);
}
}
public function parseExpression($precedence = 0)
{
$expr = $this->getPrimary();
$token = $this->parser->getCurrentToken();
while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) {
$op = $this->binaryOperators[$token->getValue()];
$this->parser->getStream()->next();
if ('is not' === $token->getValue()) {
$expr = $this->parseNotTestExpression($expr);
} elseif ('is' === $token->getValue()) {
$expr = $this->parseTestExpression($expr);
} elseif (isset($op['callable'])) {
$expr = call_user_func($op['callable'], $this->parser, $expr);
} else {
$expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
$class = $op['class'];
$expr = new $class($expr, $expr1, $token->getLine());
}
$token = $this->parser->getCurrentToken();
}
if (0 === $precedence) {
return $this->parseConditionalExpression($expr);
}
return $expr;
}
protected function getPrimary()
{
$token = $this->parser->getCurrentToken();
if ($this->isUnary($token)) {
$operator = $this->unaryOperators[$token->getValue()];
$this->parser->getStream()->next();
$expr = $this->parseExpression($operator['precedence']);
$class = $operator['class'];
return $this->parsePostfixExpression(new $class($expr, $token->getLine()));
} elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$this->parser->getStream()->next();
$expr = $this->parseExpression();
$this->parser->getStream()->expect(Twig_Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed');
return $this->parsePostfixExpression($expr);
}
return $this->parsePrimaryExpression();
}
protected function parseConditionalExpression($expr)
{
while ($this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, '?')) {
if (!$this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
$expr2 = $this->parseExpression();
if ($this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ':')) {
$expr3 = $this->parseExpression();
} else {
$expr3 = new Twig_Node_Expression_Constant('', $this->parser->getCurrentToken()->getLine());
}
} else {
$expr2 = $expr;
$expr3 = $this->parseExpression();
}
$expr = new Twig_Node_Expression_Conditional($expr, $expr2, $expr3, $this->parser->getCurrentToken()->getLine());
}
return $expr;
}
protected function isUnary(Twig_Token $token)
{
return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->unaryOperators[$token->getValue()]);
}
protected function isBinary(Twig_Token $token)
{
return $token->test(Twig_Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->getValue()]);
}
public function parsePrimaryExpression()
{
$token = $this->parser->getCurrentToken();
switch ($token->getType()) {
case Twig_Token::NAME_TYPE:
$this->parser->getStream()->next();
switch ($token->getValue()) {
case 'true':
case 'TRUE':
$node = new Twig_Node_Expression_Constant(true, $token->getLine());
break;
case 'false':
case 'FALSE':
$node = new Twig_Node_Expression_Constant(false, $token->getLine());
break;
case 'none':
case 'NONE':
case 'null':
case 'NULL':
$node = new Twig_Node_Expression_Constant(null, $token->getLine());
break;
default:
if ('(' === $this->parser->getCurrentToken()->getValue()) {
$node = $this->getFunctionNode($token->getValue(), $token->getLine());
} else {
$node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
}
}
break;
case Twig_Token::NUMBER_TYPE:
$this->parser->getStream()->next();
$node = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
break;
case Twig_Token::STRING_TYPE:
case Twig_Token::INTERPOLATION_START_TYPE:
$node = $this->parseStringExpression();
break;
case Twig_Token::OPERATOR_TYPE:
if (preg_match(Twig_Lexer::REGEX_NAME, $token->getValue(), $matches) && $matches[0] == $token->getValue()) {
// in this context, string operators are variable names
$this->parser->getStream()->next();
$node = new Twig_Node_Expression_Name($token->getValue(), $token->getLine());
break;
} elseif (isset($this->unaryOperators[$token->getValue()])) {
$class = $this->unaryOperators[$token->getValue()]['class'];
$ref = new ReflectionClass($class);
$negClass = 'Twig_Node_Expression_Unary_Neg';
$posClass = 'Twig_Node_Expression_Unary_Pos';
if (!(in_array($ref->getName(), array($negClass, $posClass)) || $ref->isSubclassOf($negClass) || $ref->isSubclassOf($posClass))) {
throw new Twig_Error_Syntax(sprintf('Unexpected unary operator "%s".', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
}
$this->parser->getStream()->next();
$expr = $this->parsePrimaryExpression();
$node = new $class($expr, $token->getLine());
break;
}
// no break
default:
if ($token->test(Twig_Token::PUNCTUATION_TYPE, '[')) {
$node = $this->parseArrayExpression();
} elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '{')) {
$node = $this->parseHashExpression();
} elseif ($token->test(Twig_Token::OPERATOR_TYPE, '=') && ('==' === $this->parser->getStream()->look(-1)->getValue() || '!=' === $this->parser->getStream()->look(-1)->getValue())) {
throw new Twig_Error_Syntax(sprintf('Unexpected operator of value "%s". Did you try to use "===" or "!==" for strict comparison? Use "is same as(value)" instead.', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
} else {
throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
}
}
return $this->parsePostfixExpression($node);
}
public function parseStringExpression()
{
$stream = $this->parser->getStream();
$nodes = array();
// a string cannot be followed by another string in a single expression
$nextCanBeString = true;
while (true) {
if ($nextCanBeString && $token = $stream->nextIf(Twig_Token::STRING_TYPE)) {
$nodes[] = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
$nextCanBeString = false;
} elseif ($stream->nextIf(Twig_Token::INTERPOLATION_START_TYPE)) {
$nodes[] = $this->parseExpression();
$stream->expect(Twig_Token::INTERPOLATION_END_TYPE);
$nextCanBeString = true;
} else {
break;
}
}
$expr = array_shift($nodes);
foreach ($nodes as $node) {
$expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getTemplateLine());
}
return $expr;
}
public function parseArrayExpression()
{
$stream = $this->parser->getStream();
$stream->expect(Twig_Token::PUNCTUATION_TYPE, '[', 'An array element was expected');
$node = new Twig_Node_Expression_Array(array(), $stream->getCurrent()->getLine());
$first = true;
while (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
if (!$first) {
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma');
// trailing ,?
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
break;
}
}
$first = false;
$node->addElement($this->parseExpression());
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed');