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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 : CSIPURIParams.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 "CSIPURIParams.h" |
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23 #include "CSIPTokenizer.h" |
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24 #include "sipcodecerr.h" |
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25 #include "TSIPChar.h" |
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26 #include "SIPSyntaxCheck.h" |
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27 #include "sipstrings.h" |
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28 #include "sipstrconsts.h" |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CSIPURIParams::DecodeL |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CSIPURIParams* CSIPURIParams::DecodeL( |
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35 const TDesC8& aValue, |
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36 TBool aSIPSURI) |
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37 { |
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38 __ASSERT_ALWAYS (aValue.Length() > 0, User::Leave(KErrSipCodecURIParams)); |
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39 |
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40 CSIPURIParams* params = new(ELeave)CSIPURIParams(aSIPSURI); |
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41 CleanupStack::PushL (params); |
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42 params->ParseL(aValue); |
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43 CleanupStack::Pop(params); |
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44 return params; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CSIPURIParams::NewL |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 CSIPURIParams* CSIPURIParams::NewL( |
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52 const CSIPURIParams& aParams, |
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53 TBool aSIPSURI) |
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54 { |
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55 CSIPURIParams* self = CSIPURIParams::NewLC(aParams,aSIPSURI); |
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56 CleanupStack::Pop(self); |
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57 return self; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CSIPURIParams::NewLC |
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62 // ----------------------------------------------------------------------------- |
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63 // |
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64 CSIPURIParams* CSIPURIParams::NewLC( |
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65 const CSIPURIParams& aParams, |
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66 TBool aSIPSURI) |
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67 { |
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68 CSIPURIParams* self = new(ELeave)CSIPURIParams(aSIPSURI); |
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69 CleanupStack::PushL(self); |
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70 self->ConstructL (aParams); |
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71 return self; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CSIPURIParams::CSIPURIParams |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 CSIPURIParams::CSIPURIParams(TBool aSIPSURI) |
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79 : CSIPParamContainerBase(';'), |
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80 iSIPSURI(aSIPSURI) |
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81 { |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CSIPURIParams::~CSIPURIParams |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 CSIPURIParams::~CSIPURIParams() |
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89 { |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CSIPURIParams::operator== |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 TBool CSIPURIParams::operator==(const CSIPURIParams& aParams) const |
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97 { |
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98 // If a SIPURI has a "user", "ttl", "method" or "maddr" parameter |
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99 // the other one has to have it too and their values must match. |
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100 // Any other parameters must match only if they are present in both. |
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101 for (TInt i=0; i < iParams.Count(); i++) |
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102 { |
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103 TInt index = aParams.FindParamIndex(iParams[i]->Name()); |
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104 if (index >= 0) |
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105 { |
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106 if (iParams[i]->HasValue() && |
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107 !(*(aParams.iParams[index]) == *(iParams[i]))) |
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108 { |
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109 return EFalse; |
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110 } |
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111 } |
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112 else |
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113 { |
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114 RStringF name = iParams[i]->Name(); |
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115 if (name == SIPStrings::StringF(SipStrConsts::EUser) || |
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116 name == SIPStrings::StringF(SipStrConsts::ETtl) || |
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117 name == SIPStrings::StringF(SipStrConsts::EMethod) || |
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118 name == SIPStrings::StringF(SipStrConsts::EMaddr)) |
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119 { |
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120 return EFalse; |
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121 } |
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122 } |
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123 } |
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124 for (TInt j=0; j < aParams.iParams.Count(); j++) |
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125 { |
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126 TInt index = FindParamIndex(aParams.iParams[j]->Name()); |
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127 if (index >= 0) |
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128 { |
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129 if (aParams.iParams[j]->HasValue() && |
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130 !(*(iParams[index]) == *(aParams.iParams[j]))) |
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131 { |
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132 return EFalse; |
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133 } |
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134 } |
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135 else |
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136 { |
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137 RStringF name = aParams.iParams[j]->Name(); |
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138 if (name == SIPStrings::StringF(SipStrConsts::EUser) || |
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139 name == SIPStrings::StringF(SipStrConsts::ETtl) || |
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140 name == SIPStrings::StringF(SipStrConsts::EMethod) || |
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141 name == SIPStrings::StringF(SipStrConsts::EMaddr)) |
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142 { |
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143 return EFalse; |
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144 } |
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145 } |
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146 } |
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147 return ETrue; |
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148 } |
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149 |
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150 // ---------------------------------------------------------------------------- |
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151 // CSIPURIParams::CheckAndUpdateParamL |
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152 // ---------------------------------------------------------------------------- |
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153 // |
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154 void CSIPURIParams::CheckAndUpdateParamL(RStringF aName, |
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155 TBool aHasValue, |
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156 TPtrC8& aValue) const |
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157 { |
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158 // transport |
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159 if (aName == SIPStrings::StringF(SipStrConsts::ETransport)) |
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160 { |
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161 if (!SIPSyntaxCheck::Token(aValue)) |
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162 { |
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163 User::Leave(KErrSipCodecURIParams); |
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164 } |
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165 if (iSIPSURI && |
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166 aValue.CompareF(SIPStrings::StringF(SipStrConsts::EUdp).DesC())==0) |
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167 { |
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168 User::Leave(KErrSipCodecURIParams); |
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169 } |
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170 return; |
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171 } |
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172 // user |
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173 if (aName == SIPStrings::StringF(SipStrConsts::EUser)) |
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174 { |
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175 if (!SIPSyntaxCheck::Token(aValue)) |
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176 { |
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177 User::Leave(KErrSipCodecURIParams); |
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178 } |
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179 return; |
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180 } |
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181 // method |
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182 if (aName == SIPStrings::StringF(SipStrConsts::EMethod)) |
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183 { |
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184 if (!SIPSyntaxCheck::Token(aValue)) |
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185 { |
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186 User::Leave(KErrSipCodecURIParams); |
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187 } |
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188 return; |
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189 } |
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190 // ttl |
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191 if (aName == SIPStrings::StringF(SipStrConsts::ETtl)) |
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192 { |
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193 if (!SIPSyntaxCheck::TtlValue(aValue)) |
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194 { |
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195 User::Leave(KErrSipCodecURIParams); |
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196 } |
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197 return; |
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198 } |
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199 // maddr |
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200 if (aName == SIPStrings::StringF(SipStrConsts::EMaddr)) |
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201 { |
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202 if (!SIPSyntaxCheck::Host(aValue)) |
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203 { |
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204 User::Leave(KErrSipCodecURIParams); |
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205 } |
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206 return; |
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207 } |
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208 // Relaxed cheking for lr-parameter. If it has a value, it is ignored. |
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209 // other URI-parameter |
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210 if (!CheckOtherParam(aName,aHasValue,aValue)) |
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211 { |
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212 User::Leave(KErrSipCodecURIParams); |
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213 } |
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214 } |
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215 |
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216 // ----------------------------------------------------------------------------- |
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217 // CSIPURIParams::CheckOtherParam |
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218 // ----------------------------------------------------------------------------- |
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219 // |
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220 TBool CSIPURIParams::CheckOtherParam (RStringF aName, |
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221 TBool aHasValue, |
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222 const TDesC8& aValue) const |
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223 { |
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224 if (!CheckSIPURIParamToken(aName.DesC())) |
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225 { |
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226 return EFalse; |
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227 } |
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228 if (aHasValue) |
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229 { |
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230 return CheckSIPURIParamToken(aValue); |
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231 } |
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232 return ETrue; |
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233 } |
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234 |
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235 // ----------------------------------------------------------------------------- |
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236 // CSIPURIParams::CheckSIPURIParamToken |
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237 // ----------------------------------------------------------------------------- |
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238 // |
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239 TBool CSIPURIParams::CheckSIPURIParamToken (const TDesC8& aParamToken) const |
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240 { |
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241 if (aParamToken.Length() == 0) |
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242 { |
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243 return EFalse; |
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244 } |
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245 |
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246 TLex8 lex(aParamToken); |
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247 TSIPChar sipChr = lex.Get(); |
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248 while (sipChr) |
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249 { |
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250 // unreserved / escaped / param-unreserved |
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251 if (!(sipChr.IsUnreserved() || sipChr == '%' || |
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252 sipChr == '[' || sipChr == ']' || sipChr == '/' || |
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253 sipChr == ':' || sipChr == '&' || sipChr == '+' || |
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254 sipChr == '$')) |
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255 { |
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256 return EFalse; |
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257 } |
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258 if (sipChr == '%') // escaped: "%" HEXDIG HEXDIG |
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259 { |
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260 if (!lex.Get().IsHexDigit()) |
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261 { |
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262 return EFalse; |
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263 } |
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264 if (!lex.Get().IsHexDigit()) |
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265 { |
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266 return EFalse; |
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267 } |
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268 } |
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269 sipChr = lex.Get(); |
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270 } |
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271 return ETrue; |
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272 } |