1 | <?php |
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11 | class Char implements IType |
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12 | { |
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13 | const A = 65; |
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14 | const Z = 90; |
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15 | const SMALL_A = 97; |
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16 | const SMALL_Z = 122; |
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17 | const F = 70; |
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18 | const SMALL_F = 102; |
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19 | const ZERO = 48; |
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20 | const NINE = 57; |
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21 | const TAB = 9; |
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22 | const NEWLINE = 10; |
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23 | const CARRIAGE_RETURN = 13; |
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24 | const SPACE = 32; |
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25 | |||
26 | /** |
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27 | * Gets the type code |
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28 | * Note: implementation of IType::getTypeCode. |
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29 | * |
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30 | * @return TypeCode |
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31 | */ |
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32 | public function getTypeCode() |
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33 | { |
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34 | return TypeCode::CHAR; |
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35 | } |
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36 | |||
37 | /** |
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38 | * Checks this type is compatible with another type |
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39 | * Note: implementation of IType::isCompatibleWith. |
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40 | * |
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41 | * @param IType $type Type to check compatibility |
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42 | * |
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43 | * @return bool |
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44 | */ |
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45 | public function isCompatibleWith(IType $type) |
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46 | { |
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47 | switch ($type->getTypeCode()) { |
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48 | case TypeCode::BYTE: |
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49 | case TypeCode::CHAR: |
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50 | return true; |
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51 | } |
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52 | |||
53 | return false; |
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54 | } |
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55 | |||
56 | /** |
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57 | * Validate a value in Astoria uri is in a format for this type |
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58 | * Note: implementation of IType::validate. |
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59 | * |
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60 | * @param string $value The value to validate |
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61 | * @param string &$outValue The stripped form of $value that can |
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62 | * be used in PHP expressions |
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63 | * |
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64 | * @throws NotImplementedException |
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65 | * @return NoType |
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66 | */ |
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67 | public function validate($value, &$outValue) |
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68 | { |
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69 | //No EDM Char primitive type |
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70 | throw new NotImplementedException(); |
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71 | } |
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72 | |||
73 | /** |
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74 | * Gets full name of this type in EDM namespace |
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75 | * Note: implementation of IType::getFullTypeName. |
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76 | * |
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77 | * @return string |
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78 | */ |
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79 | public function getFullTypeName() |
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80 | { |
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81 | return 'System.Char'; |
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82 | } |
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83 | |||
84 | /** |
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85 | * Converts the given string value to char type. |
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86 | * Note: This function will not perform any conversion. |
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87 | * |
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88 | * @param string $stringValue The value to convert |
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89 | * |
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90 | * @return string |
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91 | */ |
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92 | public function convert($stringValue) |
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93 | { |
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94 | return $stringValue; |
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95 | } |
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96 | |||
97 | /** |
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98 | * Convert the given value to a form that can be used in OData uri. |
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99 | * Note: The calling function should not pass null value, as this |
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100 | * function will not perform any check for nullability. |
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101 | * |
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102 | * @param mixed $value The value to convert |
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103 | * |
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104 | * @return string |
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105 | */ |
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106 | public function convertToOData($value) |
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107 | { |
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108 | return $value; |
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109 | } |
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110 | |||
111 | /** |
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112 | * Checks a character is whilespace. |
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113 | * |
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114 | * @param char|string $char character to check |
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115 | * |
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116 | * @return bool |
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117 | */ |
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118 | public static function isWhiteSpace($char) |
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119 | { |
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120 | $asciiVal = ord($char); |
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121 | |||
122 | return self::SPACE == $asciiVal |
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123 | || self::TAB == $asciiVal |
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124 | || self::CARRIAGE_RETURN == $asciiVal |
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125 | || self::NEWLINE == $asciiVal; |
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126 | } |
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127 | |||
128 | /** |
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129 | * Checks a character is letter. |
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130 | * |
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131 | * @param char|string $char character to check |
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132 | * |
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133 | * @return bool |
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134 | */ |
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135 | public static function isLetter($char) |
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136 | { |
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137 | $asciiVal = ord($char); |
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138 | |||
139 | return ($asciiVal >= self::A && $asciiVal <= self::Z) |
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140 | || ($asciiVal >= self::SMALL_A && $asciiVal <= self::SMALL_Z); |
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141 | } |
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142 | |||
143 | /** |
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144 | * Checks a character is digit. |
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145 | * |
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146 | * @param char|string $char character to check |
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147 | * |
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148 | * @return bool |
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149 | */ |
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150 | public static function isDigit($char) |
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151 | { |
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152 | $asciiVal = ord($char); |
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153 | |||
154 | return self::ZERO <= $asciiVal && self::NINE >= $asciiVal; |
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155 | } |
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156 | |||
157 | /** |
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158 | * Checks a character is letter or digit. |
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159 | * |
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160 | * @param char|string $char character to check |
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161 | * |
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162 | * @return bool |
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163 | */ |
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164 | public static function isLetterOrDigit($char) |
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165 | { |
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166 | return self::isDigit($char) || self::isLetter($char); |
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167 | } |
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168 | |||
169 | /** |
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170 | * Gets full name of the type implementing this interface in EDM namespace |
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171 | * Note: implementation of IType::getFullTypeName. |
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172 | * |
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173 | * @return string |
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174 | */ |
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175 | public function getName() |
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176 | { |
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177 | return $this->getFullTypeName(); |
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178 | } |
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179 | } |
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180 |