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1 // Copyright (c) 2005-2009 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 // Name : CSIPParamContainerBase.cpp |
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15 // Part of : SIP Codec |
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16 // Version : SIP/4.0 |
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17 // |
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18 |
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19 |
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20 |
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21 |
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22 #include "CSIPParamContainerBase.h" |
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23 #include "CSIPTokenizer.h" |
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24 #include "sipcodecerr.h" |
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25 #include "sipstrings.h" |
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26 #include "SIPSyntaxCheck.h" |
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27 #include "sipcodecutils.h" |
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28 #include "sipstrconsts.h" |
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29 |
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30 const TInt KMaxNumericValueAsTextLength = 80; |
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31 _LIT8(KTIntFormat, "%d"); |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CSIPParamContainerBase::CSIPParamContainerBase |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 CSIPParamContainerBase::CSIPParamContainerBase(const TChar& aSeparator) |
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38 : iParamSeparator (aSeparator) |
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39 { |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CSIPParamContainerBase::ConstructL |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 void |
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47 CSIPParamContainerBase::ConstructL(const CSIPParamContainerBase& aContainer) |
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48 { |
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49 for (TInt i=0; i < aContainer.iParams.Count(); i++) |
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50 { |
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51 CSIPParam* param = CSIPParam::NewLC(*aContainer.iParams[i]); |
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52 User::LeaveIfError(iParams.Append(param)); |
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53 CleanupStack::Pop(param); |
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54 } |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CSIPParamContainerBase::~CSIPParamContainerBase |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 CSIPParamContainerBase::~CSIPParamContainerBase() |
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62 { |
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63 iParams.ResetAndDestroy(); |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CSIPParamContainerBase::SetParamL |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 void CSIPParamContainerBase::SetParamL(RStringF aName) |
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71 { |
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72 CSIPParam* param = CSIPParam::NewLC(aName); |
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73 SetParamL(param); |
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74 CleanupStack::Pop(param); |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CSIPParamContainerBase::SetParamL |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CSIPParamContainerBase::SetParamL(RStringF aName, RStringF aValue) |
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82 { |
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83 CSIPParam* param = CSIPParam::NewLC(aName,aValue); |
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84 SetParamL(param); |
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85 CleanupStack::Pop(param); |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CSIPParamContainerBase::SetParamL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CSIPParamContainerBase::SetParamL(RStringF aName, const TDesC8& aValue) |
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93 { |
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94 CSIPParam* param = CSIPParam::NewLC(aName,aValue); |
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95 SetParamL(param); |
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96 CleanupStack::Pop(param); |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CSIPParamContainerBase::SetDesParamL |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 void CSIPParamContainerBase::SetDesParamL(RStringF aName, const TDesC8& aValue) |
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104 { |
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105 CSIPParam* param = CSIPParam::NewLC(aName,aValue); |
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106 SetParamL(param); |
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107 CleanupStack::Pop(param); |
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108 param->SetValueL(aValue,ETrue); |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CSIPParamContainerBase::SetParamL |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 void CSIPParamContainerBase::SetParamL(RStringF aName, TInt aValue) |
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116 { |
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117 __ASSERT_ALWAYS(aValue >= 0, User::Leave(KErrSipCodecAnyParam)); |
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118 TBuf8<KMaxNumericValueAsTextLength> valueAsText; |
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119 valueAsText.Format(KTIntFormat,aValue); |
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120 SetParamL(aName,valueAsText); |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // CSIPParamContainerBase::SetParamL |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 void CSIPParamContainerBase::SetParamL(RStringF aName, TReal aValue) |
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128 { |
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129 TBuf8<KMaxNumericValueAsTextLength> valueAsText; |
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130 TRealFormat format; |
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131 const TChar KDotChr = '.'; |
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132 format.iPoint = KDotChr; // SIP uses always dot as a decimal point |
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133 User::LeaveIfError(valueAsText.Num(aValue,format)); |
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134 SetParamL(aName, valueAsText); |
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135 } |
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136 |
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137 // ----------------------------------------------------------------------------- |
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138 // CSIPParamContainerBase::SetParamL |
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139 // ----------------------------------------------------------------------------- |
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140 // |
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141 void CSIPParamContainerBase::SetParamL (CSIPParam* aParam) |
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142 { |
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143 __ASSERT_ALWAYS (aParam != NULL, User::Leave(KErrSipCodecAnyParam)); |
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144 |
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145 CheckParamL(*aParam); |
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146 |
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147 TInt index = FindParamIndex (aParam->Name()); |
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148 User::LeaveIfError (iParams.Append(aParam)); |
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149 if (index >= 0) // remove the old param |
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150 { |
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151 CSIPParam* oldParam = iParams[index]; |
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152 iParams.Remove(index); |
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153 delete oldParam; |
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154 } |
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155 } |
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156 |
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157 // ----------------------------------------------------------------------------- |
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158 // CSIPParamContainerBase::HasParam |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 TBool CSIPParamContainerBase::HasParam (RStringF aParamName) const |
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162 { |
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163 return (FindParamIndex(aParamName) >= 0); |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CSIPParamContainerBase::ParamValue |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 RStringF CSIPParamContainerBase::ParamValue (RStringF aParamName) const |
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171 { |
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172 TInt index = FindParamIndex(aParamName); |
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173 if (index >= 0 && iParams[index]->HasValue()) |
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174 { |
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175 return iParams[index]->Value(); |
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176 } |
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177 return SIPStrings::StringF(SipStrConsts::EEmpty); |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CSIPParamContainerBase::DesParamValue |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 const TDesC8& CSIPParamContainerBase::DesParamValue(RStringF aParamName) const |
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185 { |
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186 TInt index = FindParamIndex(aParamName); |
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187 if (index >= 0) |
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188 { |
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189 return iParams[index]->DesValue(); |
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190 } |
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191 return KNullDesC8; |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CSIPParamContainerBase::IntParamValue |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 TInt CSIPParamContainerBase::IntParamValue (RStringF aParamName) const |
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199 { |
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200 TPtrC8 des(ParamValue(aParamName).DesC()); |
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201 TInt value=KErrNotFound; |
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202 if (des.Length() > 0) |
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203 { |
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204 TLex8 lex(des); |
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205 TInt err = lex.Val(value); |
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206 if (value < 0) |
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207 { |
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208 value = KErrSipCodecAnyParamValue; |
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209 } |
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210 if (err != KErrNone) |
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211 { |
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212 value = err; |
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213 } |
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214 } |
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215 return value; |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CSIPParamContainerBase::RealParamValue |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 TReal CSIPParamContainerBase::RealParamValue (RStringF aParamName) const |
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223 { |
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224 TLex8 lex(ParamValue(aParamName).DesC()); |
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225 TReal value = 0; |
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226 const TChar KDotChr = '.'; |
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227 lex.Val(value,KDotChr); // SIP uses always dot as a decimal point |
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228 return value; |
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229 } |
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230 |
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231 // ----------------------------------------------------------------------------- |
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232 // CSIPParamContainerBase::DeleteParam |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 void CSIPParamContainerBase::DeleteParam (RStringF aParamName) |
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236 { |
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237 TInt index = FindParamIndex (aParamName); |
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238 if (index >= 0) |
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239 { |
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240 CSIPParam* param = iParams[index]; |
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241 iParams.Remove(index); |
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242 delete param; |
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243 } |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CSIPParamContainerBase::ParamCount |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 TInt CSIPParamContainerBase::ParamCount() const |
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251 { |
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252 return iParams.Count(); |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CSIPParamContainerBase::ParamName |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 TInt CSIPParamContainerBase::ParamName(TInt aIndex, RStringF& aParamName) const |
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260 { |
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261 TInt err = KErrNotFound; |
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262 if (aIndex >= 0 && aIndex < iParams.Count()) |
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263 { |
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264 aParamName = iParams[aIndex]->Name().Copy(); |
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265 err = KErrNone; |
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266 } |
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267 return err; |
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268 } |
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269 |
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270 // ----------------------------------------------------------------------------- |
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271 // CSIPParamContainerBase::ToTextLC |
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272 // ----------------------------------------------------------------------------- |
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273 // |
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274 HBufC8* CSIPParamContainerBase::ToTextLC () const |
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275 { |
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276 TUint encodedLength = 0; |
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277 |
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278 RPointerArray<HBufC8> paramsAsText; |
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279 CleanupStack::PushL (TCleanupItem(ResetAndDestroy,¶msAsText)); |
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280 |
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281 for (TInt i=0; i < iParams.Count(); i++) |
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282 { |
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283 HBufC8* paramAsText = iParams[i]->ToTextLC(); |
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284 encodedLength += paramAsText->Length(); |
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285 if (i < iParams.Count()-1) |
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286 { |
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287 encodedLength += 1; // param separator |
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288 } |
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289 paramsAsText.AppendL(paramAsText); |
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290 CleanupStack::Pop(paramAsText); |
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291 } |
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292 |
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293 HBufC8* encodedParams = HBufC8::NewL (encodedLength); |
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294 TPtr8 encodedParamsPtr = encodedParams->Des(); |
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295 |
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296 for (TInt j=0; j < paramsAsText.Count(); j++) |
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297 { |
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298 encodedParamsPtr.Append (*paramsAsText[j]); |
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299 if (j < paramsAsText.Count()-1) |
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300 { |
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301 encodedParamsPtr.Append(iParamSeparator); |
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302 } |
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303 } |
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304 |
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305 CleanupStack::PopAndDestroy(1); // paramsAsText |
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306 CleanupStack::PushL(encodedParams); |
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307 return encodedParams; |
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308 } |
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309 |
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310 // ----------------------------------------------------------------------------- |
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311 // CSIPParamContainerBase::ExternalizeL |
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312 // ----------------------------------------------------------------------------- |
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313 // |
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314 void CSIPParamContainerBase::ExternalizeL (RWriteStream& aWriteStream) |
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315 { |
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316 aWriteStream.WriteUint32L (iParams.Count()); |
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317 for (TInt i=0; i < iParams.Count(); i++) |
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318 { |
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319 iParams[i]->ExternalizeL(aWriteStream); |
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320 } |
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321 } |
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322 |
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323 // ----------------------------------------------------------------------------- |
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324 // CSIPParamContainerBase::DoInternalizeL |
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325 // ----------------------------------------------------------------------------- |
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326 // |
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327 void CSIPParamContainerBase::DoInternalizeL (RReadStream& aReadStream) |
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328 { |
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329 TUint32 parameterCount = aReadStream.ReadUint32L(); |
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330 for (TUint32 i=0; i < parameterCount; i++) |
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331 { |
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332 CSIPParam* param = CSIPParam::InternalizeL(aReadStream); |
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333 CleanupStack::PushL (param); |
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334 SetParamL(param); |
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335 CleanupStack::Pop(param); |
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336 } |
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337 } |
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338 |
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339 // ----------------------------------------------------------------------------- |
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340 // CSIPParamContainerBase::ParseL |
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341 // ----------------------------------------------------------------------------- |
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342 // |
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343 void CSIPParamContainerBase::ParseL (const TDesC8& aValue) |
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344 { |
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345 CSIPTokenizer* tokenizer = CSIPTokenizer::NewLC (aValue,iParamSeparator); |
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346 for (TInt i=0; i < tokenizer->Tokens().Count(); i++) |
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347 { |
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348 TPtrC8 pname; |
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349 TPtrC8 pvalue(KNullDesC8); |
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350 TBool hasValue = CSIPParam::ParseL(tokenizer->Tokens()[i],pname,pvalue); |
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351 CSIPParam* param = CSIPParam::NewLC(pname); |
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352 RStringF pnameStr = param->Name(); |
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353 if (HasParam(pnameStr)) |
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354 { |
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355 User::Leave(KErrSipCodecDuplicateParam); |
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356 } |
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357 CheckAndUpdateParamL(pnameStr,hasValue,pvalue); |
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358 if (hasValue) |
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359 { |
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360 param->SetValueL(pvalue,AddQuotesWhenEncoding(pnameStr)); |
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361 } |
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362 User::LeaveIfError(iParams.Append(param)); |
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363 CleanupStack::Pop(param); |
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364 } |
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365 CleanupStack::PopAndDestroy(tokenizer); |
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366 } |
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367 |
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368 // ----------------------------------------------------------------------------- |
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369 // CSIPParamContainerBase::FindParamIndex |
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370 // ----------------------------------------------------------------------------- |
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371 // |
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372 TInt CSIPParamContainerBase::FindParamIndex (RStringF aParamName) const |
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373 { |
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374 for (TInt i=0; i < iParams.Count(); i++) |
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375 { |
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376 if (aParamName == iParams[i]->Name()) |
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377 { |
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378 return i; |
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379 } |
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380 } |
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381 return KErrNotFound; |
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382 } |
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383 |
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384 // ----------------------------------------------------------------------------- |
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385 // CSIPParamContainerBase::ResetAndDestroy |
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386 // ----------------------------------------------------------------------------- |
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387 // |
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388 void CSIPParamContainerBase::ResetAndDestroy (TAny* anArray) |
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389 { |
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390 (reinterpret_cast<RPointerArray<HBufC8>*> (anArray))->ResetAndDestroy(); |
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391 } |
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392 |
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393 // ----------------------------------------------------------------------------- |
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394 // CSIPParamContainerBase::CheckGenericParamL |
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395 // ----------------------------------------------------------------------------- |
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396 // |
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397 void CSIPParamContainerBase::CheckGenericParamL(CSIPParam& aParam, |
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398 TInt aLeaveCode) const |
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399 { |
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400 TPtrC8 value(aParam.Value().DesC()); |
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401 CheckGenericParamL(aParam.Name(),aParam.HasValue(),value,aLeaveCode); |
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402 } |
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403 |
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404 // ----------------------------------------------------------------------------- |
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405 // CSIPParamContainerBase::CheckGenericParamL |
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406 // ----------------------------------------------------------------------------- |
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407 // |
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408 void CSIPParamContainerBase::CheckGenericParamL(RStringF aName, |
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409 TBool aHasValue, |
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410 const TDesC8& aValue, |
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411 TInt aLeaveCode) const |
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412 { |
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413 if (!SIPSyntaxCheck::Token(aName.DesC())) |
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414 { |
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415 User::Leave(aLeaveCode); |
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416 } |
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417 if (!aHasValue) |
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418 { |
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419 return; |
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420 } |
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421 if (!SIPSyntaxCheck::GenericParamValue(aValue)) |
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422 { |
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423 User::Leave(aLeaveCode); |
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424 } |
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425 } |
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426 |
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427 // ----------------------------------------------------------------------------- |
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428 // CSIPParamContainerBase::RemoveQuotes |
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429 // ----------------------------------------------------------------------------- |
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430 // |
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431 void CSIPParamContainerBase::RemoveQuotes(TPtrC8& aParamValue) const |
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432 { |
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433 if (SIPSyntaxCheck::StartsAndEndsWithQuotes(aParamValue)) |
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434 { |
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435 TPtrC8 valueWithoutQuotes; |
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436 SIPCodecUtils::ValueWithoutQuotes(aParamValue, valueWithoutQuotes); |
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437 aParamValue.Set(valueWithoutQuotes); |
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438 } |
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439 } |
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440 |
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441 // ---------------------------------------------------------------------------- |
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442 // CSIPParamContainerBase::AddQuotesWhenEncoding |
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443 // ---------------------------------------------------------------------------- |
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444 // |
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445 TBool CSIPParamContainerBase::AddQuotesWhenEncoding( |
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446 RStringF /*aParamName*/) const |
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447 { |
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448 return EFalse; |
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449 } |
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450 |
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451 // ---------------------------------------------------------------------------- |
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452 // CSIPParamContainerBase::CheckParamL |
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453 // ---------------------------------------------------------------------------- |
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454 // |
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455 void CSIPParamContainerBase::CheckParamL(CSIPParam& aParam) const |
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456 { |
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457 RStringF name = aParam.Name(); |
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458 TPtrC8 value = aParam.Value().DesC(); |
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459 if (aParam.DesValue().Length() > 0) |
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460 { |
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461 value.Set(aParam.DesValue()); |
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462 } |
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463 CheckAndUpdateParamL(name,aParam.HasValue(),value); |
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464 if (AddQuotesWhenEncoding(name)) |
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465 { |
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466 // Quotes may have been removed. Set the updated value. |
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467 aParam.SetValueL(value,ETrue); |
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468 } |
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469 } |
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470 |
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471 // ----------------------------------------------------------------------------- |
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472 // CSIPParamContainerBase::CheckAndUpdateParamL |
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473 // ----------------------------------------------------------------------------- |
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474 // |
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475 void CSIPParamContainerBase::CheckAndUpdateParamL(RStringF /*aName*/, |
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476 TBool /*aHasValue*/, |
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477 TPtrC8& /*aValue*/) const |
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478 { |
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479 // By default NOP. |
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480 } |