[961] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | * |
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| 4 | * |
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| 5 | * License notice: |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU General Public License |
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| 9 | * as published by the Free Software Foundation; either version 2 |
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| 10 | * of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 20 | * |
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| 21 | * Author: |
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| 22 | * Benjamin Grauer |
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| 23 | * Co-authors: |
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| 24 | * Fabian 'x3n' Landau |
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| 25 | */ |
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| 26 | |
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| 27 | /*! |
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| 28 | @file Convert.h |
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| 29 | @brief Definition and Implementation of the Convert class. |
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| 30 | */ |
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| 31 | |
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| 32 | #ifndef _Convert_H__ |
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| 33 | #define _Convert_H__ |
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| 34 | |
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| 35 | #include <string> |
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| 36 | #include <sstream> |
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| 37 | |
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| 38 | #include "UtilPrereqs.h" |
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| 39 | #include "Math.h" |
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| 40 | #include "SubString.h" |
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| 41 | #include "MultiTypeMath.h" |
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| 42 | |
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| 43 | // DEFAULT CLASS |
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| 44 | template <typename FromType, typename ToType> |
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| 45 | class Converter |
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| 46 | { |
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| 47 | public: |
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| 48 | bool operator()(ToType* output, const FromType& input) const |
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| 49 | { |
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| 50 | return false; |
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| 51 | } |
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| 52 | }; |
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| 53 | |
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| 54 | // PARTIAL SPECIALIZATION TO CONVERT TO STRINGS |
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| 55 | template<typename FromType> |
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| 56 | class Converter<FromType, std::string> |
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| 57 | { |
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| 58 | public: |
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| 59 | bool operator()(std::string* output, const FromType& input) const |
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| 60 | { |
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| 61 | std::ostringstream oss; |
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| 62 | if (oss << input) |
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| 63 | { |
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| 64 | (*output) = oss.str(); |
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| 65 | return true; |
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| 66 | } |
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| 67 | else |
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| 68 | return false; |
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| 69 | } |
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| 70 | }; |
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| 71 | |
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| 72 | // PARTIAL SPECIALIZATION TO CONVERT FROM STRING |
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| 73 | template<typename ToType> |
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| 74 | class Converter<std::string, ToType> |
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| 75 | { |
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| 76 | public: |
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| 77 | bool operator()(ToType* output, const std::string& input) const |
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| 78 | { |
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| 79 | std::istringstream iss(input); |
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| 80 | if (iss >> (*output)) |
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| 81 | return true; |
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| 82 | else |
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| 83 | return false; |
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| 84 | } |
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| 85 | }; |
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| 86 | |
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| 87 | // FUNCTION SO WE DO NOT HAVE TO TELL THE COMPILER ABOUT THE TYPE |
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| 88 | template<typename FromType, typename ToType> |
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| 89 | static bool ConvertValue(ToType* output, const FromType& input) |
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| 90 | { |
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| 91 | Converter<FromType, ToType> converter; |
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| 92 | return converter(output, input); |
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| 93 | } |
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| 94 | |
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| 95 | // THE SAME, BUT WITH DEFAULT VALUE |
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| 96 | template<typename FromType, typename ToType> |
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| 97 | static bool ConvertValue(ToType* output, const FromType& input, const ToType& fallback) |
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| 98 | { |
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| 99 | Converter<FromType, ToType> converter; |
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| 100 | if (converter(output, input)) |
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| 101 | return true; |
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| 102 | |
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| 103 | (*output) = fallback; |
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| 104 | return false; |
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| 105 | } |
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| 106 | |
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| 107 | // THE SAME LIKE BEFORE, BUT NEEDS NO POINTER TO THE OUTPUT |
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| 108 | template<typename FromType, typename ToType> |
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| 109 | static ToType ConvertValueAndReturn(const FromType& input) |
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| 110 | { |
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| 111 | ToType output = ToType(); |
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| 112 | ConvertValue(&output, input); |
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| 113 | return output; |
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| 114 | } |
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| 115 | |
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| 116 | // THE SAME, BUT WITH DEFAULT VALUE |
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| 117 | template<typename FromType, typename ToType> |
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| 118 | static ToType ConvertValueAndReturn(const FromType& input, const ToType& fallback) |
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| 119 | { |
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| 120 | ToType output = fallback; |
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| 121 | ConvertValue(&output, input, fallback); |
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| 122 | return output; |
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| 123 | } |
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| 124 | |
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| 125 | ////////////////////////// |
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| 126 | // MORE SPECIALISATIONS // |
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| 127 | ////////////////////////// |
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| 128 | |
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| 129 | // STRING TO STRING |
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| 130 | template<> |
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| 131 | class Converter<std::string, std::string> |
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| 132 | { |
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| 133 | public: |
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| 134 | bool operator()(std::string* output, const std::string& input) const |
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| 135 | { |
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| 136 | (*output) = std::string(input); |
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| 137 | return true; |
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| 138 | } |
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| 139 | }; |
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| 140 | |
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| 141 | //////////////// |
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| 142 | // MULTITYPES // |
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| 143 | //////////////// |
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| 144 | |
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| 145 | // PARTIAL SPECIALIZATION TO CONVERT FROM MULTITYPEPRIMITIVE |
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| 146 | template<typename ToType> |
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| 147 | class Converter<MultiTypePrimitive, ToType> |
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| 148 | { |
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| 149 | public: |
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| 150 | bool operator()(ToType* output, const MultiTypePrimitive& input) const |
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| 151 | { |
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| 152 | if (input.getType() == MT_void) |
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| 153 | return ConvertValue(output, input.getVoid()); |
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| 154 | else if (input.getType() == MT_int) |
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| 155 | return ConvertValue(output, input.getInt()); |
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| 156 | else if (input.getType() == MT_uint) |
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| 157 | return ConvertValue(output, input.getUnsignedInt()); |
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| 158 | else if (input.getType() == MT_char) |
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| 159 | return ConvertValue(output, input.getChar()); |
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| 160 | else if (input.getType() == MT_uchar) |
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| 161 | return ConvertValue(output, input.getUnsignedChar()); |
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| 162 | else if (input.getType() == MT_short) |
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| 163 | return ConvertValue(output, input.getShort()); |
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| 164 | else if (input.getType() == MT_ushort) |
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| 165 | return ConvertValue(output, input.getUnsignedShort()); |
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| 166 | else if (input.getType() == MT_long) |
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| 167 | return ConvertValue(output, input.getLong()); |
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| 168 | else if (input.getType() == MT_ulong) |
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| 169 | return ConvertValue(output, input.getUnsignedLong()); |
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| 170 | else if (input.getType() == MT_float) |
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| 171 | return ConvertValue(output, input.getFloat()); |
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| 172 | else if (input.getType() == MT_double) |
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| 173 | return ConvertValue(output, input.getDouble()); |
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| 174 | else if (input.getType() == MT_longdouble) |
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| 175 | return ConvertValue(output, input.getLongDouble()); |
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| 176 | else if (input.getType() == MT_bool) |
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| 177 | return ConvertValue(output, input.getBool()); |
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| 178 | else |
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| 179 | return false; |
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| 180 | } |
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| 181 | }; |
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| 182 | template<> |
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| 183 | class Converter<MultiTypePrimitive, std::string> |
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| 184 | { |
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| 185 | public: |
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| 186 | bool operator()(std::string* output, const MultiTypePrimitive& input) const |
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| 187 | { |
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| 188 | if (input.getType() == MT_void) |
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| 189 | return ConvertValue(output, input.getVoid()); |
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| 190 | else if (input.getType() == MT_int) |
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| 191 | return ConvertValue(output, input.getInt()); |
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| 192 | else if (input.getType() == MT_uint) |
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| 193 | return ConvertValue(output, input.getUnsignedInt()); |
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| 194 | else if (input.getType() == MT_char) |
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| 195 | return ConvertValue(output, input.getChar()); |
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| 196 | else if (input.getType() == MT_uchar) |
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| 197 | return ConvertValue(output, input.getUnsignedChar()); |
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| 198 | else if (input.getType() == MT_short) |
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| 199 | return ConvertValue(output, input.getShort()); |
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| 200 | else if (input.getType() == MT_ushort) |
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| 201 | return ConvertValue(output, input.getUnsignedShort()); |
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| 202 | else if (input.getType() == MT_long) |
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| 203 | return ConvertValue(output, input.getLong()); |
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| 204 | else if (input.getType() == MT_ulong) |
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| 205 | return ConvertValue(output, input.getUnsignedLong()); |
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| 206 | else if (input.getType() == MT_float) |
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| 207 | return ConvertValue(output, input.getFloat()); |
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| 208 | else if (input.getType() == MT_double) |
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| 209 | return ConvertValue(output, input.getDouble()); |
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| 210 | else if (input.getType() == MT_longdouble) |
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| 211 | return ConvertValue(output, input.getLongDouble()); |
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| 212 | else if (input.getType() == MT_bool) |
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| 213 | return ConvertValue(output, input.getBool()); |
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| 214 | else |
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| 215 | return false; |
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| 216 | } |
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| 217 | }; |
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| 218 | |
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| 219 | // PARTIAL SPECIALIZATION TO CONVERT FROM MULTITYPESTRING |
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| 220 | template<typename ToType> |
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| 221 | class Converter<MultiTypeString, ToType> |
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| 222 | { |
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| 223 | public: |
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| 224 | bool operator()(ToType* output, const MultiTypeString& input) const |
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| 225 | { |
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| 226 | if (input.getType() == MT_constchar) |
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| 227 | return ConvertValue(output, input.getConstChar()); |
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| 228 | else if (input.getType() == MT_string) |
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| 229 | return ConvertValue(output, input.getString()); |
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| 230 | else if (input.getType() == MT_xmlelement) |
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| 231 | return ConvertValue(output, input.getXMLElement()); |
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| 232 | else |
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| 233 | return ConvertValue(output, (MultiTypePrimitive)input); |
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| 234 | } |
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| 235 | }; |
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| 236 | template<> |
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| 237 | class Converter<MultiTypeString, std::string> |
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| 238 | { |
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| 239 | public: |
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| 240 | bool operator()(std::string* output, const MultiTypeString& input) const |
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| 241 | { |
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| 242 | if (input.getType() == MT_constchar) |
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| 243 | return ConvertValue(output, input.getConstChar()); |
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| 244 | else if (input.getType() == MT_string) |
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| 245 | return ConvertValue(output, input.getString()); |
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| 246 | else if (input.getType() == MT_xmlelement) |
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| 247 | return ConvertValue(output, input.getXMLElement()); |
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| 248 | else |
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| 249 | return ConvertValue(output, (MultiTypePrimitive)input); |
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| 250 | } |
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| 251 | }; |
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| 252 | |
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| 253 | // PARTIAL SPECIALIZATION TO CONVERT FROM MULTITYPEMATH |
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| 254 | template<typename ToType> |
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| 255 | class Converter<MultiTypeMath, ToType> |
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| 256 | { |
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| 257 | public: |
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| 258 | bool operator()(ToType* output, const MultiTypeMath& input) const |
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| 259 | { |
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| 260 | if (input.getType() == MT_vector2) |
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| 261 | return ConvertValue(output, input.getVector2()); |
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| 262 | else if (input.getType() == MT_vector3) |
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| 263 | return ConvertValue(output, input.getVector3()); |
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| 264 | else if (input.getType() == MT_quaternion) |
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| 265 | return ConvertValue(output, input.getQuaternion()); |
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| 266 | else if (input.getType() == MT_colourvalue) |
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| 267 | return ConvertValue(output, input.getColourValue()); |
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| 268 | else if (input.getType() == MT_radian) |
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| 269 | return ConvertValue(output, input.getRadian()); |
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| 270 | else if (input.getType() == MT_degree) |
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| 271 | return ConvertValue(output, input.getDegree()); |
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| 272 | else |
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| 273 | return ConvertValue(output, (MultiTypeString)input); |
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| 274 | } |
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| 275 | }; |
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| 276 | template<> |
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| 277 | class Converter<MultiTypeMath, std::string> |
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| 278 | { |
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| 279 | public: |
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| 280 | bool operator()(std::string* output, const MultiTypeMath& input) const |
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| 281 | { |
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| 282 | if (input.getType() == MT_vector2) |
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| 283 | return ConvertValue(output, input.getVector2()); |
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| 284 | else if (input.getType() == MT_vector3) |
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| 285 | return ConvertValue(output, input.getVector3()); |
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| 286 | else if (input.getType() == MT_quaternion) |
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| 287 | return ConvertValue(output, input.getQuaternion()); |
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| 288 | else if (input.getType() == MT_colourvalue) |
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| 289 | return ConvertValue(output, input.getColourValue()); |
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| 290 | else if (input.getType() == MT_radian) |
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| 291 | return ConvertValue(output, input.getRadian()); |
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| 292 | else if (input.getType() == MT_degree) |
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| 293 | return ConvertValue(output, input.getDegree()); |
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| 294 | else |
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| 295 | return ConvertValue(output, (MultiTypeString)input); |
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| 296 | } |
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| 297 | }; |
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| 298 | |
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| 299 | |
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| 300 | //////////////////// |
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| 301 | // MATH TO STRING // |
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| 302 | //////////////////// |
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| 303 | |
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| 304 | // Vector2 to std::string |
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| 305 | template <> |
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| 306 | class Converter<orxonox::Vector2, std::string> |
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| 307 | { |
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| 308 | public: |
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| 309 | bool operator()(std::string* output, const orxonox::Vector2& input) const |
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| 310 | { |
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| 311 | std::ostringstream ostream; |
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| 312 | if (ostream << input.x << "," << input.y) |
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| 313 | { |
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| 314 | (*output) = ostream.str(); |
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| 315 | return true; |
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| 316 | } |
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| 317 | |
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| 318 | return false; |
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| 319 | } |
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| 320 | }; |
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| 321 | |
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| 322 | // Vector3 to std::string |
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| 323 | template <> |
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| 324 | class Converter<orxonox::Vector3, std::string> |
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| 325 | { |
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| 326 | public: |
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| 327 | bool operator()(std::string* output, const orxonox::Vector3& input) const |
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| 328 | { |
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| 329 | std::ostringstream ostream; |
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| 330 | if (ostream << input.x << "," << input.y << "," << input.z) |
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| 331 | { |
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| 332 | (*output) = ostream.str(); |
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| 333 | return true; |
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| 334 | } |
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| 335 | |
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| 336 | return false; |
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| 337 | } |
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| 338 | }; |
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| 339 | |
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| 340 | // Vector4 to std::string |
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| 341 | template <> |
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| 342 | class Converter<orxonox::Vector4, std::string> |
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| 343 | { |
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| 344 | public: |
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| 345 | bool operator()(std::string* output, const orxonox::Vector4& input) const |
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| 346 | { |
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| 347 | std::ostringstream ostream; |
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| 348 | if (ostream << input.x << "," << input.y << "," << input.z << "," << input.w) |
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| 349 | { |
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| 350 | (*output) = ostream.str(); |
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| 351 | return true; |
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| 352 | } |
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| 353 | |
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| 354 | return false; |
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| 355 | } |
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| 356 | }; |
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| 357 | |
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| 358 | // Quaternion to std::string |
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| 359 | template <> |
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| 360 | class Converter<orxonox::Quaternion, std::string> |
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| 361 | { |
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| 362 | public: |
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| 363 | bool operator()(std::string* output, const orxonox::Quaternion& input) const |
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| 364 | { |
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| 365 | std::ostringstream ostream; |
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| 366 | if (ostream << input.w << "," << input.x << "," << input.y << "," << input.z) |
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| 367 | { |
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| 368 | (*output) = ostream.str(); |
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| 369 | return true; |
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| 370 | } |
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| 371 | |
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| 372 | return false; |
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| 373 | } |
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| 374 | }; |
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| 375 | |
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| 376 | // ColourValue to std::string |
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| 377 | template <> |
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| 378 | class Converter<orxonox::ColourValue, std::string> |
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| 379 | { |
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| 380 | public: |
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| 381 | bool operator()(std::string* output, const orxonox::ColourValue& input) const |
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| 382 | { |
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| 383 | std::ostringstream ostream; |
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| 384 | if (ostream << input.r << "," << input.g << "," << input.b << "," << input.a) |
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| 385 | { |
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| 386 | (*output) = ostream.str(); |
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| 387 | return true; |
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| 388 | } |
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| 389 | |
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| 390 | return false; |
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| 391 | } |
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| 392 | }; |
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| 393 | |
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| 394 | |
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| 395 | //////////////////// |
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| 396 | // STRING TO MATH // |
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| 397 | //////////////////// |
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| 398 | |
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| 399 | // std::string to Vector2 |
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| 400 | template <> |
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| 401 | class Converter<std::string, orxonox::Vector2> |
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| 402 | { |
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| 403 | public: |
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| 404 | bool operator()(orxonox::Vector2* output, const std::string& input) const |
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| 405 | { |
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| 406 | unsigned int opening_parenthesis, closing_parenthesis = input.find(')'); |
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| 407 | if ((opening_parenthesis = input.find('(')) == std::string::npos) { opening_parenthesis = 0; } else { opening_parenthesis++; } |
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| 408 | |
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| 409 | SubString tokens(input.substr(opening_parenthesis, closing_parenthesis - opening_parenthesis), ",", SubString::WhiteSpaces, false, '\\', '"', '\0', '\0', '\0'); |
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| 410 | |
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| 411 | if (tokens.size() >= 2) |
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| 412 | { |
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| 413 | if (!ConvertValue(&(output->x), tokens[0])) |
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| 414 | return false; |
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| 415 | if (!ConvertValue(&(output->y), tokens[1])) |
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| 416 | return false; |
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| 417 | |
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| 418 | return true; |
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| 419 | } |
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| 420 | |
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| 421 | return false; |
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| 422 | } |
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| 423 | }; |
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| 424 | |
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| 425 | // std::string to Vector3 |
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| 426 | template <> |
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| 427 | class Converter<std::string, orxonox::Vector3> |
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| 428 | { |
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| 429 | public: |
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| 430 | bool operator()(orxonox::Vector3* output, const std::string& input) const |
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| 431 | { |
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| 432 | unsigned int opening_parenthesis, closing_parenthesis = input.find(')'); |
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| 433 | if ((opening_parenthesis = input.find('(')) == std::string::npos) { opening_parenthesis = 0; } else { opening_parenthesis++; } |
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| 434 | |
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| 435 | SubString tokens(input.substr(opening_parenthesis, closing_parenthesis - opening_parenthesis), ",", SubString::WhiteSpaces, false, '\\', '"', '\0', '\0', '\0'); |
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| 436 | |
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| 437 | if (tokens.size() >= 3) |
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| 438 | { |
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| 439 | if (!ConvertValue(&(output->x), tokens[0])) |
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| 440 | return false; |
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| 441 | if (!ConvertValue(&(output->y), tokens[1])) |
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| 442 | return false; |
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| 443 | if (!ConvertValue(&(output->z), tokens[2])) |
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| 444 | return false; |
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| 445 | |
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| 446 | return true; |
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| 447 | } |
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| 448 | |
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| 449 | return false; |
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| 450 | } |
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| 451 | }; |
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| 452 | |
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| 453 | // std::string to Vector4 |
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| 454 | template <> |
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| 455 | class Converter<std::string, orxonox::Vector4> |
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| 456 | { |
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| 457 | public: |
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| 458 | bool operator()(orxonox::Vector4* output, const std::string& input) const |
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| 459 | { |
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| 460 | unsigned int opening_parenthesis, closing_parenthesis = input.find(')'); |
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| 461 | if ((opening_parenthesis = input.find('(')) == std::string::npos) { opening_parenthesis = 0; } else { opening_parenthesis++; } |
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| 462 | |
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| 463 | SubString tokens(input.substr(opening_parenthesis, closing_parenthesis - opening_parenthesis), ",", SubString::WhiteSpaces, false, '\\', '"', '\0', '\0', '\0'); |
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| 464 | |
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| 465 | if (tokens.size() >= 4) |
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| 466 | { |
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| 467 | if (!ConvertValue(&(output->x), tokens[0])) |
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| 468 | return false; |
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| 469 | if (!ConvertValue(&(output->y), tokens[1])) |
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| 470 | return false; |
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| 471 | if (!ConvertValue(&(output->z), tokens[2])) |
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| 472 | return false; |
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| 473 | if (!ConvertValue(&(output->w), tokens[3])) |
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| 474 | return false; |
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| 475 | |
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| 476 | return true; |
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| 477 | } |
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| 478 | |
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| 479 | return false; |
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| 480 | } |
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| 481 | }; |
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| 482 | |
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| 483 | // std::string to Quaternion |
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| 484 | template <> |
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| 485 | class Converter<std::string, orxonox::Quaternion> |
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| 486 | { |
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| 487 | public: |
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| 488 | bool operator()(orxonox::Quaternion* output, const std::string& input) const |
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| 489 | { |
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| 490 | unsigned int opening_parenthesis, closing_parenthesis = input.find(')'); |
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| 491 | if ((opening_parenthesis = input.find('(')) == std::string::npos) { opening_parenthesis = 0; } else { opening_parenthesis++; } |
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| 492 | |
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| 493 | SubString tokens(input.substr(opening_parenthesis, closing_parenthesis - opening_parenthesis), ",", SubString::WhiteSpaces, false, '\\', '"', '\0', '\0', '\0'); |
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| 494 | |
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| 495 | if (tokens.size() >= 4) |
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| 496 | { |
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| 497 | if (!ConvertValue(&(output->w), tokens[0])) |
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| 498 | return false; |
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| 499 | if (!ConvertValue(&(output->x), tokens[1])) |
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| 500 | return false; |
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| 501 | if (!ConvertValue(&(output->y), tokens[2])) |
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| 502 | return false; |
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| 503 | if (!ConvertValue(&(output->z), tokens[3])) |
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| 504 | return false; |
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| 505 | |
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| 506 | return true; |
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| 507 | } |
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| 508 | |
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| 509 | return false; |
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| 510 | } |
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| 511 | }; |
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| 512 | |
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| 513 | // std::string to ColourValue |
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| 514 | template <> |
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| 515 | class Converter<std::string, orxonox::ColourValue> |
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| 516 | { |
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| 517 | public: |
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| 518 | bool operator()(orxonox::ColourValue* output, const std::string& input) const |
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| 519 | { |
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| 520 | unsigned int opening_parenthesis, closing_parenthesis = input.find(')'); |
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| 521 | if ((opening_parenthesis = input.find('(')) == std::string::npos) { opening_parenthesis = 0; } else { opening_parenthesis++; } |
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| 522 | |
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| 523 | SubString tokens(input.substr(opening_parenthesis, closing_parenthesis - opening_parenthesis), ",", SubString::WhiteSpaces, false, '\\', '"', '\0', '\0', '\0'); |
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| 524 | |
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| 525 | if (tokens.size() >= 4) |
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| 526 | { |
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| 527 | if (!ConvertValue(&(output->r), tokens[0])) |
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| 528 | return false; |
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| 529 | if (!ConvertValue(&(output->g), tokens[1])) |
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| 530 | return false; |
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| 531 | if (!ConvertValue(&(output->b), tokens[2])) |
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| 532 | return false; |
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| 533 | if (!ConvertValue(&(output->a), tokens[3])) |
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| 534 | return false; |
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| 535 | |
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| 536 | return true; |
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| 537 | } |
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| 538 | |
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| 539 | return false; |
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| 540 | } |
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| 541 | }; |
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| 542 | |
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| 543 | #endif /* _Convert_H__ */ |
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