1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Christian Meyer |
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24 | * Co-authors: |
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25 | * Benjamin Grauer |
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26 | * |
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27 | |
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28 | // |
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29 | // splitLine |
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30 | // STL string tokenizer |
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31 | // |
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32 | // Created by Clemens Wacha. |
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33 | // Version 1.0 |
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34 | // Copyright (c) 2005 Clemens Wacha. All rights reserved. |
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35 | // |
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36 | |
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37 | * Extended by Fabian 'x3n' Landau by the SL_PARENTHESES mode. |
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38 | */ |
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39 | |
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40 | #include "SubString.h" |
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41 | #include <cstdio> |
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42 | |
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43 | namespace orxonox |
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44 | { |
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45 | /** |
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46 | * @brief default constructor |
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47 | */ |
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48 | SubString::SubString() |
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49 | {} |
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50 | |
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51 | |
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52 | /** |
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53 | * @brief create a SubString from |
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54 | * @param string the String to Split |
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55 | * @param delimiter the Character at which to split string (delimiter) |
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56 | */ |
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57 | SubString::SubString(const std::string& string, char delimiter) |
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58 | { |
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59 | this->split(string, delimiter); |
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60 | } |
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61 | |
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62 | |
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63 | /** |
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64 | * @brief Splits a String into multiple splitters. |
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65 | * @param string the String to split |
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66 | * @param delimiters multiple set of characters at what to split. (delimiters) |
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67 | * @param delimiterNeighbours neighbours of the delimiters, that will be erased only when near a delimiter. |
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68 | * @param emptyEntries If empty entries should be allewed or removed. |
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69 | * @param escapeChar The Escape Character that overrides splitters commends and so on... |
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70 | * @param safemode_char within these characters splitting won't happen |
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71 | * @param comment_char the Comment character. |
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72 | */ |
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73 | SubString::SubString(const std::string& string, |
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74 | const std::string& delimiters, const std::string& delimiterNeighbours, bool emptyEntries, |
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75 | char escapeChar, bool removeEscapeChar, char safemode_char, bool removeSafemodeChar, |
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76 | char openparenthesis_char, char closeparenthesis_char, bool removeParenthesisChars, char comment_char) |
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77 | { |
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78 | SubString::splitLine(this->strings, this->bInSafemode, string, delimiters, delimiterNeighbours, emptyEntries, escapeChar, removeEscapeChar, safemode_char, removeSafemodeChar, openparenthesis_char, closeparenthesis_char, removeParenthesisChars, comment_char); |
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79 | } |
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80 | |
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81 | /** |
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82 | * @brief creates a SubSet of a SubString. |
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83 | * @param subString the SubString to take a set from. |
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84 | * @param subSetBegin the beginning to the end |
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85 | */ |
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86 | SubString::SubString(const SubString& subString, unsigned int subSetBegin) |
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87 | { |
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88 | for (unsigned int i = subSetBegin; i < subString.size(); i++) |
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89 | { |
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90 | this->strings.push_back(subString[i]); |
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91 | this->bInSafemode.push_back(subString.isInSafemode(i)); |
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92 | } |
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93 | } |
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94 | |
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95 | |
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96 | /** |
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97 | * @brief creates a SubSet of a SubString. |
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98 | * @param subString the SubString to take a Set from |
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99 | * @param subSetBegin the beginning to the end |
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100 | * @param subSetEnd the end of the SubSet (max subString.size() will be checked internaly) |
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101 | */ |
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102 | SubString::SubString(const SubString& subString, unsigned int subSetBegin, unsigned int subSetEnd) |
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103 | { |
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104 | for (unsigned int i = subSetBegin; i < subString.size() && i < subSetEnd; i++) |
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105 | { |
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106 | this->strings.push_back(subString[i]); |
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107 | this->bInSafemode.push_back(subString.isInSafemode(i)); |
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108 | } |
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109 | } |
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110 | |
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111 | /** |
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112 | * @brief creates a Substring from a count and values set. |
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113 | * @param argc: the Arguments Count. |
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114 | * @param argv: Argument Values. |
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115 | */ |
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116 | SubString::SubString(unsigned int argc, const char** argv) |
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117 | { |
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118 | for(unsigned int i = 0; i < argc; ++i) |
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119 | { |
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120 | this->strings.push_back(std::string(argv[i])); |
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121 | this->bInSafemode.push_back(false); |
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122 | } |
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123 | } |
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124 | |
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125 | /** |
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126 | * @brief removes the object from memory |
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127 | */ |
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128 | SubString::~SubString() |
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129 | { } |
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130 | |
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131 | /** @brief An empty String */ |
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132 | // const std::string SubString::emptyString = ""; |
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133 | /** @brief Helper that gets you a String consisting of all White Spaces */ |
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134 | const std::string SubString::WhiteSpaces = " \n\t"; |
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135 | /** @brief Helper that gets you a String consisting of all WhiteSpaces and the Comma */ |
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136 | const std::string SubString::WhiteSpacesWithComma = " \n\t,"; |
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137 | /** An Empty SubString */ |
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138 | const SubString SubString::NullSubString = SubString(); |
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139 | |
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140 | /** |
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141 | * @brief stores the Value of subString in this SubString |
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142 | * @param subString will be copied into this String. |
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143 | * @returns this SubString. |
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144 | */ |
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145 | SubString& SubString::operator=(const SubString& subString) |
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146 | { |
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147 | this->strings = subString.strings; |
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148 | this->bInSafemode = subString.bInSafemode; |
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149 | return *this; |
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150 | } |
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151 | |
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152 | |
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153 | /** |
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154 | * @brief comparator. |
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155 | * @param subString the SubString to compare against this one. |
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156 | * @returns true if the Stored Strings match |
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157 | */ |
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158 | bool SubString::operator==(const SubString& subString) const |
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159 | { |
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160 | return ((this->strings == subString.strings) && (this->bInSafemode == subString.bInSafemode)); |
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161 | } |
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162 | |
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163 | /** |
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164 | * @brief comparator. |
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165 | * @param subString the SubString to compare against this one. |
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166 | * @returns true if the Stored Strings match |
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167 | */ |
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168 | bool SubString::compare(const SubString& subString) const |
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169 | { |
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170 | return (*this == subString); |
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171 | } |
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172 | |
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173 | /** |
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174 | * @brief comparator. |
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175 | * @param subString the SubString to compare against this one. |
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176 | * @param length how many entries to compare. (from 0 to length) |
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177 | * @returns true if the Stored Strings match |
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178 | */ |
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179 | bool SubString::compare(const SubString& subString, unsigned int length) const |
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180 | { |
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181 | if (length > this->size() || length > subString.size()) |
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182 | return false; |
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183 | |
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184 | for (unsigned int i = 0; i < length; i++) |
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185 | if ((this->strings[i] != subString.strings[i]) || (this->bInSafemode[i] != subString.bInSafemode[i])) |
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186 | return false; |
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187 | return true; |
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188 | } |
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189 | |
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190 | |
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191 | /** |
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192 | * @brief append operator |
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193 | * @param subString the String to append. |
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194 | * @returns a SubString where this and subString are appended. |
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195 | */ |
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196 | SubString SubString::operator+(const SubString& subString) const |
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197 | { |
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198 | return SubString(*this) += subString; |
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199 | } |
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200 | |
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201 | |
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202 | /** |
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203 | * @brief append operator. |
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204 | * @param subString append subString to this SubString. |
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205 | * @returns this substring appended with subString |
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206 | */ |
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207 | SubString& SubString::operator+=(const SubString& subString) |
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208 | { |
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209 | for (unsigned int i = 0; i < subString.size(); i++) |
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210 | { |
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211 | this->strings.push_back(subString[i]); |
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212 | this->bInSafemode.push_back(subString.isInSafemode(i)); |
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213 | } |
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214 | return *this; |
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215 | } |
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216 | |
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217 | |
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218 | /** |
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219 | * @brief Split the String at |
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220 | * @param string where to split |
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221 | * @param splitter delimiter. |
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222 | */ |
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223 | unsigned int SubString::split(const std::string& string, char splitter) |
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224 | { |
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225 | this->strings.clear(); |
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226 | this->bInSafemode.clear(); |
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227 | char split[2]; |
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228 | split[0] = splitter; |
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229 | split[1] = '\0'; |
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230 | SubString::splitLine(this->strings, this->bInSafemode, string, split); |
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231 | return strings.size(); |
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232 | } |
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233 | |
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234 | |
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235 | /** |
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236 | * @brief Splits a String into multiple splitters. |
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237 | * @param string the String to split |
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238 | * @param delimiters multiple set of characters at what to split. (delimiters) |
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239 | * @param delimiterNeighbours: Neighbours to the Delimiters that will be erased too. |
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240 | * @param emptyEntries: If empty entries are added to the List of SubStrings |
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241 | * @param escapeChar The Escape Character that overrides splitters commends and so on... |
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242 | * @param safemode_char within these characters splitting won't happen |
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243 | * @param comment_char the Comment character. |
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244 | */ |
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245 | unsigned int SubString::split(const std::string& string, |
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246 | const std::string& delimiters, const std::string& delimiterNeighbours, bool emptyEntries, |
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247 | char escapeChar, bool removeExcapeChar, char safemode_char, bool removeSafemodeChar, |
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248 | char openparenthesis_char, char closeparenthesis_char, bool removeParenthesisChars, char comment_char) |
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249 | { |
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250 | this->strings.clear(); |
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251 | this->bInSafemode.clear(); |
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252 | SubString::splitLine(this->strings, this->bInSafemode, string, delimiters, delimiterNeighbours, emptyEntries, escapeChar, removeExcapeChar, safemode_char, removeSafemodeChar, openparenthesis_char, closeparenthesis_char, removeParenthesisChars, comment_char); |
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253 | return this->strings.size(); |
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254 | } |
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255 | |
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256 | |
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257 | /** |
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258 | * @brief joins together all Strings of this Substring. |
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259 | * @param delimiter the String between the subStrings. |
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260 | * @returns the joined String. |
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261 | */ |
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262 | std::string SubString::join(const std::string& delimiter) const |
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263 | { |
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264 | if (!this->strings.empty()) |
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265 | { |
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266 | std::string retVal = this->strings[0]; |
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267 | for (unsigned int i = 1; i < this->strings.size(); i++) |
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268 | retVal += delimiter + this->strings[i]; |
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269 | return retVal; |
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270 | } |
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271 | else |
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272 | { |
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273 | static std::string empty; |
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274 | return empty; |
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275 | } |
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276 | } |
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277 | |
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278 | |
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279 | /** |
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280 | * @brief creates a SubSet of a SubString. |
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281 | * @param subSetBegin the beginning to the end |
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282 | * @returns the SubSet |
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283 | * |
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284 | * This function is added for your convenience, and does the same as |
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285 | * SubString::SubString(const SubString& subString, unsigned int subSetBegin) |
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286 | */ |
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287 | SubString SubString::subSet(unsigned int subSetBegin) const |
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288 | { |
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289 | return SubString(*this, subSetBegin); |
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290 | } |
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291 | |
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292 | |
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293 | /** |
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294 | * @brief creates a SubSet of a SubString. |
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295 | * @param subSetBegin the beginning to |
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296 | * @param subSetEnd the end of the SubSet to select (if bigger than subString.size() it will be downset.) |
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297 | * @returns the SubSet |
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298 | * |
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299 | * This function is added for your convenience, and does the same as |
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300 | * SubString::SubString(const SubString& subString, unsigned int subSetBegin) |
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301 | */ |
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302 | SubString SubString::subSet(unsigned int subSetBegin, unsigned int subSetEnd) const |
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303 | { |
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304 | return SubString(*this, subSetBegin, subSetEnd); |
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305 | } |
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306 | |
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307 | |
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308 | /** |
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309 | * @brief splits line into tokens and stores them in ret. |
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310 | * @param ret the Array, where the Splitted strings will be stored in |
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311 | * to the beginning of the current token is stored |
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312 | * @param line the inputLine to split |
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313 | * @param delimiters a String of Delimiters (here the input will be splitted) |
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314 | * @param delimiterNeighbours Naighbours to the Delimitter, that will be removed if they are to the left or the right of a Delimiter. |
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315 | * @param emptyEntries: if empty Strings are added to the List of Strings. |
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316 | * @param escape_char: Escape carater (escapes splitters) |
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317 | * @param safemode_char: the beginning of the safemode is marked with this |
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318 | * @param removeSafemodeChar removes the safemode_char from the beginning and the ending of a token |
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319 | * @param openparenthesis_char the beginning of a safemode is marked with this |
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320 | * @param closeparenthesis_char the ending of a safemode is marked with this |
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321 | * @param removeParenthesisChars removes the parenthesis from the beginning and the ending of a token |
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322 | * @param comment_char: the beginning of a comment is marked with this: (until the end of a Line) |
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323 | * @param start_state: the Initial state on how to parse the String. |
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324 | * @return SPLIT_LINE_STATE the parser was in when returning |
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325 | * |
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326 | * This is the Actual Splitting Algorithm from Clemens Wacha |
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327 | * Supports delimiters, escape characters, |
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328 | * ignores special characters between safemode_char and between comment_char and linend '\n'. |
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329 | */ |
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330 | SubString::SPLIT_LINE_STATE |
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331 | SubString::splitLine(std::vector<std::string>& ret, |
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332 | std::vector<bool>& bInSafemode, |
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333 | const std::string& line, |
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334 | const std::string& delimiters, |
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335 | const std::string& delimiterNeighbours, |
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336 | bool emptyEntries, |
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337 | char escape_char, |
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338 | bool removeExcapeChar, |
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339 | char safemode_char, |
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340 | bool removeSafemodeChar, |
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341 | char openparenthesis_char, |
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342 | char closeparenthesis_char, |
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343 | bool removeParenthesisChars, |
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344 | char comment_char, |
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345 | SPLIT_LINE_STATE start_state) |
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346 | { |
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347 | SPLIT_LINE_STATE state = start_state; |
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348 | unsigned int i = 0; |
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349 | unsigned int fallBackNeighbours = 0; |
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350 | |
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351 | std::string token; |
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352 | bool inSafemode = false; |
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353 | |
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354 | if(start_state != SL_NORMAL && ret.size() > 0) |
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355 | { |
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356 | token = ret[ret.size()-1]; |
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357 | ret.pop_back(); |
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358 | } |
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359 | if(start_state != SL_NORMAL && bInSafemode.size() > 0) |
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360 | { |
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361 | inSafemode = bInSafemode[bInSafemode.size()-1]; |
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362 | bInSafemode.pop_back(); |
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363 | } |
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364 | |
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365 | while(i < line.size()) |
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366 | { |
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367 | switch(state) |
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368 | { |
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369 | case SL_NORMAL: |
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370 | if(line[i] == escape_char) |
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371 | { |
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372 | state = SL_ESCAPE; |
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373 | if (!removeExcapeChar) |
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374 | token += line[i]; |
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375 | } |
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376 | else if(line[i] == safemode_char) |
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377 | { |
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378 | state = SL_SAFEMODE; |
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379 | inSafemode = true; |
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380 | if (!removeSafemodeChar) |
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381 | token += line[i]; |
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382 | } |
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383 | else if(line[i] == openparenthesis_char) |
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384 | { |
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385 | state = SL_PARENTHESES; |
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386 | inSafemode = true; |
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387 | if (!removeParenthesisChars) |
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388 | token += line[i]; |
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389 | } |
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390 | else if(line[i] == comment_char) |
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391 | { |
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392 | if (fallBackNeighbours > 0) |
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393 | token = token.substr(0, token.size() - fallBackNeighbours); |
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394 | /// FINISH |
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395 | if(emptyEntries || token.size() > 0) |
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396 | { |
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397 | ret.push_back(token); |
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398 | token.clear(); |
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399 | bInSafemode.push_back(inSafemode); |
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400 | inSafemode = false; |
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401 | } |
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402 | token += line[i]; // EAT |
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403 | state = SL_COMMENT; |
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404 | } |
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405 | else if(delimiters.find(line[i]) != std::string::npos) |
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406 | { |
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407 | // line[i] is a delimiter |
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408 | if (fallBackNeighbours > 0) |
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409 | token = token.substr(0, token.size() - fallBackNeighbours); |
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410 | /// FINISH |
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411 | if(emptyEntries || token.size() > 0) |
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412 | { |
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413 | ret.push_back(token); |
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414 | token.clear(); |
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415 | bInSafemode.push_back(inSafemode); |
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416 | inSafemode = false; |
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417 | } |
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418 | state = SL_NORMAL; |
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419 | } |
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420 | else |
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421 | { |
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422 | if (delimiterNeighbours.find(line[i]) != std::string::npos) |
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423 | { |
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424 | if (token.size() > 0) |
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425 | ++fallBackNeighbours; |
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426 | else |
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427 | { |
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428 | i++; |
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429 | continue; |
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430 | } |
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431 | } |
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432 | else |
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433 | fallBackNeighbours = 0; |
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434 | token += line[i]; // EAT |
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435 | } |
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436 | break; |
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437 | case SL_ESCAPE: |
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438 | if (!removeSafemodeChar) |
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439 | token += line[i]; |
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440 | else |
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441 | { |
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442 | if(line[i] == 'n') token += '\n'; |
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443 | else if(line[i] == 't') token += '\t'; |
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444 | else if(line[i] == 'v') token += '\v'; |
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445 | else if(line[i] == 'b') token += '\b'; |
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446 | else if(line[i] == 'r') token += '\r'; |
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447 | else if(line[i] == 'f') token += '\f'; |
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448 | else if(line[i] == 'a') token += '\a'; |
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449 | else if(line[i] == '?') token += '\?'; |
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450 | else token += line[i]; // EAT |
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451 | } |
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452 | state = SL_NORMAL; |
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453 | break; |
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454 | case SL_SAFEMODE: |
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455 | if(line[i] == safemode_char) |
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456 | { |
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457 | state = SL_NORMAL; |
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458 | if (!removeSafemodeChar) |
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459 | token += line[i]; |
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460 | } |
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461 | else if(line[i] == escape_char) |
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462 | { |
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463 | state = SL_SAFEESCAPE; |
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464 | } |
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465 | else |
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466 | { |
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467 | token += line[i]; // EAT |
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468 | } |
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469 | break; |
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470 | |
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471 | case SL_SAFEESCAPE: |
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472 | if(line[i] == 'n') token += '\n'; |
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473 | else if(line[i] == 't') token += '\t'; |
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474 | else if(line[i] == 'v') token += '\v'; |
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475 | else if(line[i] == 'b') token += '\b'; |
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476 | else if(line[i] == 'r') token += '\r'; |
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477 | else if(line[i] == 'f') token += '\f'; |
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478 | else if(line[i] == 'a') token += '\a'; |
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479 | else if(line[i] == '?') token += '\?'; |
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480 | else token += line[i]; // EAT |
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481 | state = SL_SAFEMODE; |
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482 | break; |
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483 | |
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484 | case SL_PARENTHESES: |
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485 | if(line[i] == closeparenthesis_char) |
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486 | { |
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487 | state = SL_NORMAL; |
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488 | if (!removeParenthesisChars) |
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489 | token += line[i]; |
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490 | } |
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491 | else if(line[i] == escape_char) |
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492 | { |
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493 | state = SL_PARENTHESESESCAPE; |
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494 | } |
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495 | else |
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496 | { |
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497 | token += line[i]; // EAT |
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498 | } |
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499 | break; |
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500 | |
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501 | case SL_PARENTHESESESCAPE: |
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502 | if(line[i] == 'n') token += '\n'; |
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503 | else if(line[i] == 't') token += '\t'; |
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504 | else if(line[i] == 'v') token += '\v'; |
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505 | else if(line[i] == 'b') token += '\b'; |
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506 | else if(line[i] == 'r') token += '\r'; |
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507 | else if(line[i] == 'f') token += '\f'; |
---|
508 | else if(line[i] == 'a') token += '\a'; |
---|
509 | else if(line[i] == '?') token += '\?'; |
---|
510 | else token += line[i]; // EAT |
---|
511 | state = SL_PARENTHESES; |
---|
512 | break; |
---|
513 | |
---|
514 | case SL_COMMENT: |
---|
515 | if(line[i] == '\n') |
---|
516 | { |
---|
517 | /// FINISH |
---|
518 | if(token.size() > 0) |
---|
519 | { |
---|
520 | ret.push_back(token); |
---|
521 | token.clear(); |
---|
522 | bInSafemode.push_back(inSafemode); |
---|
523 | inSafemode = false; |
---|
524 | } |
---|
525 | state = SL_NORMAL; |
---|
526 | } |
---|
527 | else |
---|
528 | { |
---|
529 | token += line[i]; // EAT |
---|
530 | } |
---|
531 | break; |
---|
532 | |
---|
533 | default: |
---|
534 | // nothing |
---|
535 | break; |
---|
536 | } |
---|
537 | i++; |
---|
538 | } |
---|
539 | |
---|
540 | /// FINISH |
---|
541 | if (fallBackNeighbours > 0) |
---|
542 | token = token.substr(0, token.size() - fallBackNeighbours); |
---|
543 | if(emptyEntries || token.size() > 0) |
---|
544 | { |
---|
545 | ret.push_back(token); |
---|
546 | token.clear(); |
---|
547 | bInSafemode.push_back(inSafemode); |
---|
548 | inSafemode = false; |
---|
549 | } |
---|
550 | return(state); |
---|
551 | } |
---|
552 | |
---|
553 | |
---|
554 | /** |
---|
555 | * @brief Some nice debug information about this SubString |
---|
556 | */ |
---|
557 | void SubString::debug() const |
---|
558 | { |
---|
559 | printf("Substring-information::count=%d ::", this->strings.size()); |
---|
560 | for (unsigned int i = 0; i < this->strings.size(); i++) |
---|
561 | printf("s%d='%s'::", i, this->strings[i].c_str()); |
---|
562 | printf("\n"); |
---|
563 | } |
---|
564 | } |
---|