vendor/twig/twig/src/TemplateWrapper.php line 45

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  1. <?php
  3. /*
  4. * This file is part of Twig.
  5. *
  6. * (c) Fabien Potencier
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Twig;
  14. /**
  15. * Exposes a template to userland.
  16. *
  17. * @author Fabien Potencier <fabien@symfony.com>
  18. */
  19. final class TemplateWrapper
  20. {
  21. private $env;
  22. private $template;
  24. /**
  25. * This method is for internal use only and should never be called
  26. * directly (use Twig\Environment::load() instead).
  27. *
  28. * @internal
  29. */
  30. public function __construct(Environment $env, Template $template)
  31. {
  32. $this->env = $env;
  33. $this->template = $template;
  34. }
  36. /**
  37. * Renders the template.
  38. *
  39. * @param array $context An array of parameters to pass to the template
  40. */
  41. public function render(array $context = []): string
  42. {
  43. // using func_get_args() allows to not expose the blocks argument
  44. // as it should only be used by internal code
  45. return $this->template->render($context, \func_get_args()[1] ?? []);
  46. }
  48. /**
  49. * Displays the template.
  50. *
  51. * @param array $context An array of parameters to pass to the template
  52. */
  53. public function display(array $context = [])
  54. {
  55. // using func_get_args() allows to not expose the blocks argument
  56. // as it should only be used by internal code
  57. $this->template->display($context, \func_get_args()[1] ?? []);
  58. }
  60. /**
  61. * Checks if a block is defined.
  62. *
  63. * @param string $name The block name
  64. * @param array $context An array of parameters to pass to the template
  65. */
  66. public function hasBlock(string $name, array $context = []): bool
  67. {
  68. return $this->template->hasBlock($name, $context);
  69. }
  71. /**
  72. * Returns defined block names in the template.
  73. *
  74. * @param array $context An array of parameters to pass to the template
  75. *
  76. * @return string[] An array of defined template block names
  77. */
  78. public function getBlockNames(array $context = []): array
  79. {
  80. return $this->template->getBlockNames($context);
  81. }
  83. /**
  84. * Renders a template block.
  85. *
  86. * @param string $name The block name to render
  87. * @param array $context An array of parameters to pass to the template
  88. *
  89. * @return string The rendered block
  90. */
  91. public function renderBlock(string $name, array $context = []): string
  92. {
  93. $context = $this->env->mergeGlobals($context);
  94. $level = ob_get_level();
  95. if ($this->env->isDebug()) {
  96. ob_start();
  97. } else {
  98. ob_start(function () { return ''; });
  99. }
  100. try {
  101. $this->template->displayBlock($name, $context);
  102. } catch (\Throwable $e) {
  103. while (ob_get_level() > $level) {
  104. ob_end_clean();
  105. }
  107. throw $e;
  108. }
  110. return ob_get_clean();
  111. }
  113. /**
  114. * Displays a template block.
  115. *
  116. * @param string $name The block name to render
  117. * @param array $context An array of parameters to pass to the template
  118. */
  119. public function displayBlock(string $name, array $context = [])
  120. {
  121. $this->template->displayBlock($name, $this->env->mergeGlobals($context));
  122. }
  124. public function getSourceContext(): Source
  125. {
  126. return $this->template->getSourceContext();
  127. }
  129. public function getTemplateName(): string
  130. {
  131. return $this->template->getTemplateName();
  132. }
  134. /**
  135. * @internal
  136. *
  137. * @return Template
  138. */
  139. public function unwrap()
  140. {
  141. return $this->template;
  142. }
  143. }
  145. class_alias('Twig\TemplateWrapper', 'Twig_TemplateWrapper');