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1 <?php |
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2 |
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3 /* |
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4 * This file is part of Twig. |
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5 * |
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6 * (c) 2009 Fabien Potencier |
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7 * |
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8 * For the full copyright and license information, please view the LICENSE |
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9 * file that was distributed with this source code. |
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10 */ |
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11 abstract class Twig_Extension implements Twig_ExtensionInterface |
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12 { |
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13 /** |
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14 * Initializes the runtime environment. |
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15 * |
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16 * This is where you can load some file that contains filter functions for instance. |
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17 * |
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18 * @param Twig_Environment $environment The current Twig_Environment instance |
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19 */ |
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20 public function initRuntime(Twig_Environment $environment) |
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21 { |
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22 } |
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23 |
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24 /** |
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25 * Returns the token parser instances to add to the existing list. |
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26 * |
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27 * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances |
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28 */ |
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29 public function getTokenParsers() |
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30 { |
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31 return array(); |
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32 } |
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33 |
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34 /** |
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35 * Returns the node visitor instances to add to the existing list. |
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36 * |
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37 * @return array An array of Twig_NodeVisitorInterface instances |
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38 */ |
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39 public function getNodeVisitors() |
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40 { |
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41 return array(); |
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42 } |
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43 |
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44 /** |
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45 * Returns a list of filters to add to the existing list. |
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46 * |
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47 * @return array An array of filters |
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48 */ |
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49 public function getFilters() |
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50 { |
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51 return array(); |
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52 } |
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53 |
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54 /** |
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55 * Returns a list of tests to add to the existing list. |
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56 * |
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57 * @return array An array of tests |
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58 */ |
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59 public function getTests() |
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60 { |
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61 return array(); |
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62 } |
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63 |
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64 /** |
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65 * Returns a list of functions to add to the existing list. |
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66 * |
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67 * @return array An array of functions |
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68 */ |
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69 public function getFunctions() |
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70 { |
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71 return array(); |
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72 } |
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73 |
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74 /** |
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75 * Returns a list of operators to add to the existing list. |
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76 * |
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77 * @return array An array of operators |
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78 */ |
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79 public function getOperators() |
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80 { |
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81 return array(); |
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82 } |
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83 |
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84 /** |
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85 * Returns a list of global functions to add to the existing list. |
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86 * |
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87 * @return array An array of global functions |
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88 */ |
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89 public function getGlobals() |
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90 { |
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91 return array(); |
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92 } |
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93 } |