1 | /*
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2 | * STLVectorValidator.hpp
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3 | *
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4 | * Created on: May 9, 2012
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5 | * Author: heber
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6 | */
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7 |
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8 | #ifndef STLVECTORVALIDATOR_HPP_
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9 | #define STLVECTORVALIDATOR_HPP_
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10 |
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11 |
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12 | // include config.h
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13 | #ifdef HAVE_CONFIG_H
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14 | #include <config.h>
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15 | #endif
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16 |
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17 | #include "DummyValidator.hpp"
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18 | #include "RangeValidator.hpp"
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19 | #include "Validator.hpp"
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20 |
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21 | #include <vector>
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22 |
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23 | #include "CodePatterns/Range.hpp"
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24 |
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25 | /** This class is a combination of \ref Validator<size_t> on the number of entries in
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26 | * the vector while each element is checked with a given Validator<value_type>.
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27 | */
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28 | template <class T>
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29 | class STLVectorValidator : public Validator< T >
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30 | {
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31 | //!> this should throw an error at compile time if T is not a container
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32 | typedef typename T::value_type value_type;
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33 |
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34 | public:
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35 | /** Constructor for class STLVectorValidator, number of elements given by a range.
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36 | *
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37 | * @param validator validator for the single element
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38 | * @param range range of valid number of elements
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39 | */
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40 | STLVectorValidator(const range<size_t> &range, const Validator<value_type> &validator) :
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41 | ElementwiseValidator(validator.clone()),
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42 | NumberOfElementsValidator(new RangeValidator<size_t>(range))
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43 | {}
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44 |
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45 | /** Constructor for class STLVectorValidator, number of elements given by a range.
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46 | *
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47 | * @param range range of valid number of elements
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48 | */
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49 | STLVectorValidator(const range<size_t> &range) :
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50 | ElementwiseValidator(new DummyValidator<value_type>()),
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51 | NumberOfElementsValidator(new RangeValidator<size_t>(range))
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52 | {}
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53 |
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54 | /** Constructor for class STLVectorValidator, number of elements given by interval [\a min,\a max).
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55 | *
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56 | * @param validator validator for the single element
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57 | * @param min lower bound of interval for valid number of elements
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58 | * @param max upper bound of interval for valid number of elements
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59 | */
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60 | STLVectorValidator(const size_t min, const size_t max, const Validator<value_type> &validator) :
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61 | ElementwiseValidator(validator.clone()),
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62 | NumberOfElementsValidator(new RangeValidator<size_t>(min,max))
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63 | {}
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64 |
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65 | /** Constructor for class STLVectorValidator, number of elements given by interval [\a min,\a max).
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66 | *
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67 | * @param min lower bound of interval for valid number of elements
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68 | * @param max upper bound of interval for valid number of elements
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69 | */
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70 | STLVectorValidator(const size_t min, const size_t max) :
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71 | ElementwiseValidator(new DummyValidator<value_type>()),
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72 | NumberOfElementsValidator(new RangeValidator<size_t>(min,max))
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73 | {}
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74 |
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75 | /** Constructor for class STLVectorValidator, any number of elements is allowed.
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76 | *
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77 | * @param validator validator for the single element
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78 | */
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79 | STLVectorValidator(const Validator<value_type> &validator) :
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80 | ElementwiseValidator(validator.clone()),
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81 | NumberOfElementsValidator(new DummyValidator<size_t>())
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82 | {}
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83 |
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84 | /** Constructor for class STLVectorValidator, any number of unrestricted elements is allowed.
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85 | *
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86 | */
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87 | STLVectorValidator() :
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88 | ElementwiseValidator(new DummyValidator<value_type>()),
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89 | NumberOfElementsValidator(new DummyValidator<size_t>())
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90 | {}
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91 |
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92 | /** Destructor for class STLVectorValidator
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93 | *
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94 | */
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95 | ~STLVectorValidator()
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96 | {
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97 | delete ElementwiseValidator;
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98 | delete NumberOfElementsValidator;
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99 | }
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100 |
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101 | bool isValid(const T & _value) const
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102 | {
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103 | bool status = NumberOfElementsValidator->isValid(_value.size());
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104 | for (typename std::vector<value_type>::const_iterator iter = _value.begin();
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105 | iter != _value.end(); ++iter) {
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106 | status = status && ElementwiseValidator->isValid(*iter);
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107 | }
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108 | return status;
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109 | }
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110 | bool operator==(const Validator<T> &_instance) const
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111 | {
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112 | const STLVectorValidator<T> *inst = dynamic_cast<const STLVectorValidator<T> *>(&_instance);
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113 | bool status = *NumberOfElementsValidator == *inst->NumberOfElementsValidator;
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114 | status = status && *ElementwiseValidator == *inst->ElementwiseValidator;
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115 | return status;
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116 | }
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117 |
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118 | Validator<T>* clone() const
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119 | {
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120 | Validator<T> *inst = new STLVectorValidator<T>(*NumberOfElementsValidator, *ElementwiseValidator);
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121 | return inst;
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122 | }
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123 |
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124 | private:
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125 | /** Constructor for class STLVectorValidator, number of elements given by \ref RangeValidator.
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126 | *
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127 | * \note Is only used in STLVectorValidator::clone() as it may lead to ambiguities
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128 | * with a signature of two validators in case value_type equals size_t.
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129 | *
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130 | * @param validator validator for the single element
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131 | * @param rangevalidator validator for the valid number of elements
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132 | */
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133 | STLVectorValidator(const Validator<size_t> &rangevalidator, const Validator<value_type> &validator) :
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134 | ElementwiseValidator(validator.clone()),
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135 | NumberOfElementsValidator(dynamic_cast< Validator<size_t> *>(rangevalidator.clone()))
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136 | {}
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137 |
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138 |
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139 | private:
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140 | Validator<value_type> *ElementwiseValidator;
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141 | Validator<size_t> *NumberOfElementsValidator;
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142 | };
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143 |
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144 |
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145 | #endif /* STLVECTORVALIDATOR_HPP_ */
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