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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\FixturesBundle\Parser\Property; |
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4 | |||
5 | class Method implements PropertyParserInterface |
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6 | { |
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7 | const REGEX = '/<[a-zA-Z0-9]+\([^\)]*\)>/'; |
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8 | |||
9 | /** |
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10 | * Check if this parser is applicable |
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11 | * |
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12 | * @return bool |
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13 | */ |
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14 | public function canParse($value) |
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15 | { |
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16 | if (is_string($value) && preg_match(self::REGEX, $value)) { |
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17 | return true; |
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18 | } |
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19 | |||
20 | return false; |
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21 | } |
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22 | |||
23 | /** |
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24 | * Parse provided value into new data |
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25 | * |
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26 | * @param $value |
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27 | * @param $providers |
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28 | * @param array $references |
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29 | * @param array $additional |
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30 | * |
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31 | * @return mixed |
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32 | * |
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33 | * @throws \Exception |
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34 | */ |
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35 | public function parse($value, $providers, $references = [], $additional = []) |
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36 | { |
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37 | preg_match_all(self::REGEX, $value, $matches); |
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38 | |||
39 | foreach ($matches[0] as $pattern) { |
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40 | preg_match_all('/[^,\(\)<>]+/', $pattern, $arguments); |
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41 | $arguments = $arguments[0]; |
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42 | $method = array_shift($arguments); |
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43 | $arguments = array_map(function ($arg) { |
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44 | return trim(trim($arg), '\'""'); |
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45 | }, $arguments); |
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46 | |||
47 | foreach ($providers as $provider) { |
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48 | /* |
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49 | * Call method from provider with/without arguments |
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50 | * 1: Arguments are passed through from fixture |
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51 | * 2: Search if method needs arguments en find them through typehint and additional params |
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52 | * 3: Magic methods without arguments |
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53 | */ |
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54 | if (method_exists($provider, $method)) { |
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55 | $refl = new \ReflectionMethod($provider, $method); |
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56 | |||
57 | if (count($arguments) < $refl->getNumberOfRequiredParameters()) { |
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58 | $parameters = $refl->getParameters(); |
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59 | $parametersNeeded = array_slice($parameters, count($arguments)); |
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60 | $arguments = array_merge($arguments, $this->findArguments($parametersNeeded, $additional)); |
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61 | |||
62 | if (count($parameters) !== count($arguments)) { |
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63 | throw new \Exception('Can not match all arguments for provider ' . get_class($provider)); |
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64 | } |
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65 | } |
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66 | |||
67 | $value = $this->processValue($pattern, $refl->invokeArgs($provider, $arguments), $value, $matches[0]); |
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68 | |||
69 | break; |
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70 | } elseif (is_callable([$provider, $method])) { |
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71 | $value = $this->processValue($pattern, call_user_func_array(array($provider, $method), $arguments), $value, $matches[0]); |
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72 | |||
73 | break; |
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74 | } |
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75 | } |
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76 | } |
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77 | |||
78 | return $value; |
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79 | } |
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80 | |||
81 | private function processValue($pattern, $result, $value, $patterns) |
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82 | { |
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83 | if (!is_string($result) && !is_int($result) && count($patterns) > 1 && strlen(str_replace($pattern, '', $value)) > 0) { |
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84 | throw new \Exception(sprintf('Collision during processing of pattern "%s" on value "%s"', $pattern, $value)); |
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85 | } |
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86 | |||
87 | if (!is_string($result) && !is_int($result)) { |
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88 | return $result; |
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89 | } |
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90 | |||
91 | return str_replace($pattern, $result, $value); |
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92 | } |
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93 | |||
94 | /** |
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95 | * @param $parameters |
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96 | * @param $additional |
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97 | * |
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98 | * @return array |
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99 | */ |
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100 | private function findArguments($parameters, $additional) |
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101 | { |
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102 | $arguments = []; |
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103 | if (count($parameters) == 0) { |
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104 | return $arguments; |
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105 | } |
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106 | |||
107 | foreach ($parameters as $parameter) { |
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108 | $argument = $this->typeHintChecker($parameter, $additional); |
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109 | if ($argument !== null) { |
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110 | $arguments[] = $argument; |
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111 | |||
112 | continue; |
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113 | } |
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114 | |||
115 | $argument = $this->getArgumentByName($parameter, $additional); |
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116 | if ($argument !== null) { |
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117 | $arguments[] = $argument; |
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118 | } |
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119 | } |
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120 | |||
121 | return $arguments; |
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122 | } |
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123 | |||
124 | /** |
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125 | * @param \ReflectionParameter $parameter |
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126 | * @param $parameters |
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127 | * |
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128 | * @return object|null |
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129 | */ |
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130 | private function typeHintChecker(\ReflectionParameter $parameter, $parameters) |
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131 | { |
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132 | $class = $parameter->getClass(); |
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133 | $typeHint = null; |
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0 ignored issues
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134 | if (!$class instanceof \ReflectionClass) { |
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135 | return null; |
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136 | } |
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137 | |||
138 | $typeHint = $class->getName(); |
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139 | foreach ($parameters as $item) { |
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140 | if ($item instanceof $typeHint) { |
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141 | return $item; |
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142 | } |
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143 | } |
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144 | |||
145 | return null; |
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146 | } |
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147 | |||
148 | /** |
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149 | * @param \ReflectionParameter $parameter |
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150 | * @param $parameters |
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151 | * |
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152 | * @return mixed|null |
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153 | */ |
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154 | private function getArgumentByName(\ReflectionParameter $parameter, $parameters) |
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155 | { |
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156 | foreach ($parameters as $name => $item) { |
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157 | $paramName = $parameter->getName(); |
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158 | if ($name === $paramName) { |
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159 | return $item; |
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160 | } |
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161 | } |
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162 | |||
163 | return null; |
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164 | } |
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165 | } |
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166 |
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.