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; |
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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 FromType& fallback) |
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119 | { |
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120 | ToType output; |
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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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