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1 /* |
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2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 /** |
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20 @file |
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21 @internalComponent |
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22 @released |
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23 */ |
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24 |
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25 #include "typedefs.h" |
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26 #include <e32def.h> |
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27 #include "h_utl.h" |
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28 #include "r_obey.h" |
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29 #include "r_romnode.h" |
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30 #include <algorithm> |
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31 |
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32 ECompression gCompress = ECompressionUnknown; |
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33 unsigned int gCompressionMethod = 0; |
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34 TBool gPagingOverride = 0; |
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35 TInt gCodePagingOverride = -1; |
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36 TInt gDataPagingOverride = -1; |
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37 TInt gLogLevel = 0; |
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38 |
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39 /** |
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40 Function receives an UID type of an executable and identifies whether it is a |
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41 1. EXE or not, |
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42 2. DLL or not |
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43 3. Executable or not. |
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44 |
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45 @internalComponent |
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46 @released |
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47 |
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48 @param Uids1 - Uid1 of a E32 executable |
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49 @param aType - Type to be compared against aUids1. |
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50 */ |
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51 bool ReaderUtil::IsExecutable(unsigned char* aUids1, int aType) |
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52 { |
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53 //In the little-endian world |
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54 if( aUids1[3] == 0x10 && aUids1[2] == 0x0 && aUids1[1] == 0x0 ) |
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55 { |
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56 switch(aType) |
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57 { |
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58 case EExe: |
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59 if(aUids1[0] == 0x7a) |
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60 { |
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61 return true; |
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62 } |
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63 break; |
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64 case EDll: |
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65 if(aUids1[0] == 0x79) |
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66 { |
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67 return true; |
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68 } |
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69 break; |
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70 case EAll: |
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71 if((aUids1[0] == 0x79) || (aUids1[0] == 0x7a)) |
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72 { |
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73 return true; |
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74 } |
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75 break; |
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76 } |
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77 } |
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78 return false; |
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79 } |
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80 |
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81 /** |
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82 Function receives an UID type of an executable and identifies whether it is a EXE or not. |
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83 |
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84 @internalComponent |
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85 @released |
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86 |
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87 @param aType - Type to be compared against aUids1. |
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88 */ |
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89 bool ReaderUtil::IsExe(unsigned long* aUids1) |
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90 { |
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91 return IsExecutable((unsigned char*)aUids1, EExe); |
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92 } |
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93 |
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94 /** |
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95 Function receives an UID type of an executable and identifies whether it is a DLL or not, |
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96 |
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97 @internalComponent |
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98 @released |
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99 |
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100 @param aType - Type to be compared against aUids1. |
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101 */ |
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102 bool ReaderUtil::IsDll(unsigned long* aUids1) |
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103 { |
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104 return IsExecutable((unsigned char*)aUids1, EDll); |
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105 } |
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106 |
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107 /** |
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108 Function responsible to convert lower case strings to upper case |
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109 |
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110 @internalComponent |
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111 @released |
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112 |
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113 @param aString - String which needs to be inserted |
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114 */ |
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115 const String& ReaderUtil::ToLower(String& aString) |
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116 { |
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117 unsigned int stringLength = aString.length(); |
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118 unsigned char stringChar; |
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119 for(unsigned int stringIndex = 0; stringIndex < stringLength; stringIndex++) |
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120 { |
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121 stringChar = aString.at(stringIndex); |
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122 if( stringChar >= KUpperCaseAsciiValOfCharA && stringChar <= KUpperCaseAsciiValOfCharZ ) |
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123 { |
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124 stringChar += KUpperAndLowerAsciiDiff; //Upper case alphabets case changed to lower case |
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125 } |
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126 aString[stringIndex] = stringChar; |
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127 } |
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128 return aString; |
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129 } |
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130 |
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131 /** |
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132 Function responsible to convert integer to ASCII characters with respect to its base value. |
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133 Function takes the integer value with its base. |
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134 Calculates the first reminder by dividing the value with its base, put this value into result string . |
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135 Do the same until the value becomes zero. |
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136 |
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137 Regular itoa() function from stdlib.h, definition is not available in linux. |
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138 |
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139 @internalComponent |
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140 @released |
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141 |
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142 @param aString - String which needs to be inserted |
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143 */ |
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144 const String ReaderUtil::IntToAscii(const int aValue, const int aBase) |
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145 { |
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146 String result; |
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147 // check that the base if valid, the valid range is between 2 and 16 |
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148 if (aBase < EBase2 || aBase > EBase16) |
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149 { |
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150 return result; |
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151 } |
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152 int quotient = aValue; |
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153 do |
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154 { |
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155 #ifdef __TOOLS__ |
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156 result += "0123456789abcdef"[abs(quotient % aBase)]; |
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157 #else |
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158 result += "0123456789abcdef"[std::abs(quotient % aBase)]; |
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159 #endif |
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160 quotient /= aBase; |
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161 } while (quotient); |
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162 |
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163 // Only apply negative sign for base 10 |
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164 if (aValue < 0 && aBase == EBase10) |
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165 { |
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166 result += '-'; |
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167 } |
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168 std::reverse(result.begin(), result.end()); |
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169 return result; |
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170 } |
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171 |
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172 /** |
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173 Function responsible to convert string to integer. |
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174 Regular atoi() function from stdlib.h, definition is not available in linux. |
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175 |
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176 @internalComponent |
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177 @released |
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178 |
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179 @param aString - String which needs to be converted. |
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180 */ |
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181 Long64 ReaderUtil::DecStrToInt(String& aString) |
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182 { |
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183 Long64 val = 0; |
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184 std::string::iterator strBegIter = aString.begin(); |
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185 std::string::iterator strEndIter = aString.end(); |
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186 |
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187 while(strBegIter != strEndIter) |
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188 { |
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189 val *= EBase10; |
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190 val += *strBegIter - KAsciiValueOfZero; |
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191 ++strBegIter; |
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192 } |
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193 return val; |
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194 } |
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195 |
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196 /** |
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197 Function to convert String to any numeric type. |
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198 |
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199 @internalComponent |
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200 @released |
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201 |
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202 @param aStringVal - the string which has to be converted. |
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203 @return - returns the coverted value. |
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204 */ |
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205 unsigned int ReaderUtil::HexStrToInt(String& aStringVal) |
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206 { |
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207 IStringStream inputStrStream(aStringVal); |
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208 unsigned int intVal = 0; |
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209 inputStrStream >> std::hex >> intVal; |
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210 return intVal; |
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211 } |