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1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef SETTING_H |
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17 #define SETTING_H |
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18 |
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19 #include <e32std.h> |
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20 #include <s32strm.h> |
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21 |
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22 #include <centralrepository.h> |
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23 #include "srvdefs.h" |
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24 |
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25 |
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26 |
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27 class TSettingsAccessPolicy; |
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28 |
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29 class TServerSetting |
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30 { |
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31 friend class RSettingsArray; |
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32 public: |
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33 enum TType { EInt = 0x00000000, |
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34 EReal = 0x10000000, |
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35 EString = 0x20000000, |
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36 EDeleted = 0x30000000 }; |
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37 |
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38 inline TServerSetting(); |
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39 inline TServerSetting(TUint32 aKey); |
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40 |
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41 inline TInt ReplaceTypeAndValue(const TServerSetting& source); |
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42 inline TInt Replace(const TServerSetting& source); |
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43 inline TInt Transfer(TServerSetting& source); |
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44 |
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45 inline TUint32 Key() const; |
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46 inline void SetKey(TUint32 aKey); |
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47 inline TUint32 Meta() const; |
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48 inline void SetMeta(const TUint32 aMeta); |
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49 inline TBool IsClean(){return(iMeta & KMetaDefaultValue);}; |
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50 inline void SetClean(){iMeta |= KMetaDefaultValue;}; |
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51 inline TUint32 Type() const; |
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52 inline void SetType(const TUint32 aType); |
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53 |
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54 inline TInt GetIntValue() const; |
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55 inline const TReal& GetRealValue() const; |
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56 inline const HBufC8* GetStrValue() const; |
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57 |
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58 inline void SetIntValue(TInt aVal); |
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59 inline void SetRealValue(const TReal* aVal); |
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60 inline void SetStrValue(const HBufC8* aVal); |
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61 |
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62 inline void SetDeleted(); |
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63 |
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64 inline void CopyValueL(TInt aVal); |
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65 inline void CopyValueL(const TReal& aVal); |
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66 inline void CopyValueL(const TDesC8& aVal); |
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67 |
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68 inline TInt AssignValueTo(TInt& aVal) const; |
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69 inline TInt AssignValueTo(TReal& aVal) const; |
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70 inline TInt AssignValueTo(TDes8& aVal) const; |
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71 |
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72 inline TInt AssignValueFromL(TInt aVal); |
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73 inline TInt AssignValueFromL(const TReal& aVal); |
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74 inline TInt AssignValueFromL(const TDesC8& aVal); |
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75 |
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76 inline void PushL() const; |
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77 inline void Pop() const; |
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78 |
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79 inline void Reset(); |
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80 inline void ResetValue(); |
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81 |
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82 inline TInt operator==(const TServerSetting& aSetting) const; |
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83 inline TInt operator==(TInt aVal) const; |
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84 inline TInt operator==(const TReal& aVal) const; |
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85 inline TInt operator==(const TDesC8& aVal) const; |
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86 |
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87 template <class T> |
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88 inline TInt operator!=(const T& aVal) const |
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89 { |
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90 return !operator==(aVal); |
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91 } |
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92 |
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93 inline TSettingsAccessPolicy* AccessPolicy() const; |
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94 inline void SetAccessPolicy(TSettingsAccessPolicy* aPolicy); |
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95 inline const TSecurityPolicy* GetReadAccessPolicy() const; |
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96 inline const TSecurityPolicy* GetWriteAccessPolicy() const; |
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97 inline TBool HasAccessPolicy() const; |
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98 |
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99 inline void ExternalizeL(RWriteStream& aStream) const; |
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100 inline void InternalizeL(RReadStream& aStream); |
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101 inline void ExternalizeMetaL(RWriteStream& aStream) const; |
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102 inline void InternalizeMetaL(RReadStream& aStream); |
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103 |
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104 inline TBool IsType(const TInt&) const; |
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105 inline TBool IsType(const TReal&) const; |
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106 inline TBool IsType(const TDesC8&) const; |
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107 inline TBool IsType(const TDesC16&) const; |
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108 |
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109 inline TBool IsInt() const; |
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110 inline TBool IsReal() const; |
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111 inline TBool IsStr() const; |
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112 inline TBool IsDeleted() const; |
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113 |
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114 private: |
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115 TUint32 iKey; |
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116 TUint32 iMeta; |
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117 union TValue { TInt i; TReal* r; HBufC8* s; } iValue; |
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118 |
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119 // A bit of dilemma how to store TSecurePolicy for read/write access... |
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120 // If we were implementing a list of policies per an entry then RArray would be an obvious choice, |
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121 // but even then when no policy is specified each entry would have RArray (in compressed state 24B) |
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122 // Or we could have two instances of TSecurePolicy (6B each) |
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123 // so lets go for a link to a separate array of policies allocated only when needed |
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124 |
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125 TSettingsAccessPolicy* iAccessPolicy; |
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126 }; |
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127 |
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128 |
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129 class TSettingsAccessPolicy |
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130 { |
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131 friend class CSharedRepository; |
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132 friend class CIniFileOut; |
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133 |
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134 public: |
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135 // Single entry type is maintained in a separate array |
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136 // then the range type... to avoid duplicities |
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137 enum {ESingleSettingPolicy,ERangeSettingsPolicy}; |
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138 |
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139 inline TSettingsAccessPolicy(TSecurityPolicy& aReadPolicy,TSecurityPolicy& aWritePolicy, |
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140 TUint32 aLowKey, TUint32 aHighKey, TUint32 aKeyMask=0); |
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141 inline TSettingsAccessPolicy(TSecurityPolicy& aReadPolicy,TSecurityPolicy& aWritePolicy, |
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142 TUint32 aKey); |
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143 |
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144 |
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145 inline TBool IsInRange(TUint32 aKey) const; |
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146 inline const TSecurityPolicy* GetReadAccessPolicy() const; |
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147 inline const TSecurityPolicy* GetWriteAccessPolicy() const; |
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148 |
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149 inline void ExternalizeL(RWriteStream& aStream) const; |
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150 inline void InternalizeL(RReadStream& aStream) ; |
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151 inline TSettingsAccessPolicy(); |
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152 inline TUint32 LowKey() const; |
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153 inline TUint32 HighKey() const; |
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154 inline TUint32 KeyMask() const; |
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155 |
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156 private: |
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157 inline TSettingsAccessPolicy(TUint32 key); |
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158 private: |
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159 // we can have 'duplicites' where a single policy would have the same key |
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160 // as 'range' policy with the low key... |
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161 TUint32 iLowKey; // used as a key for single policy as well |
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162 TUint32 iHighKey; // only used for Range |
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163 TUint32 iKeyMask; // only used for Range |
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164 |
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165 |
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166 TSecurityPolicy iReadAccessPolicy; |
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167 TSecurityPolicy iWriteAccessPolicy; |
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168 |
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169 }; |
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170 |
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171 class TSettingsDefaultMeta |
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172 { |
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173 friend class CSharedRepository; |
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174 public: |
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175 inline TSettingsDefaultMeta(TUint32 aValue, TUint32 aLowKey, |
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176 TUint32 aHighKey, TUint32 aKeyMask=0); |
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177 |
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178 inline TBool IsInRange(TUint32 aKey) const; |
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179 inline TSettingsDefaultMeta(); |
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180 |
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181 inline TUint32 GetDefaultMetadata() const |
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182 { |
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183 return iDefaultMetaData ; |
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184 }; |
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185 |
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186 inline void ExternalizeL(RWriteStream& aStream) const; |
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187 inline void InternalizeL(RReadStream& aStream) ; |
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188 |
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189 inline TUint32 LowKey() const; |
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190 inline TUint32 HighKey() const; |
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191 inline TUint32 KeyMask() const; |
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192 |
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193 private: |
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194 TUint32 iLowKey; |
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195 TUint32 iHighKey; |
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196 TUint32 iKeyMask; |
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197 TUint32 iDefaultMetaData; |
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198 }; |
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199 |
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200 #include "setting.inl" |
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201 |
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202 #endif // SETTING_H |