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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 // Name : CSIPTimestampHeader.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 #include "siptimestampheader.h" |
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22 #include "CSIPTokenizer.h" |
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23 #include "sipcodecerr.h" |
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24 #include "sipstrings.h" |
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25 #include "sipstrconsts.h" |
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26 #include "SIPSyntaxCheck.h" |
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27 #include "_sipcodecdefs.h" |
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28 |
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29 const TInt KMaxTRealLength(32); |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // CSIPTimestampHeader::DecodeL |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 EXPORT_C CSIPTimestampHeader* CSIPTimestampHeader::DecodeL(const TDesC8& aValue) |
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36 { |
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37 CSIPTimestampHeader* header = |
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38 new(ELeave) CSIPTimestampHeader(0.0); |
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39 CleanupStack::PushL(header); |
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40 header->ParseL(aValue); |
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41 CleanupStack::Pop(header); |
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42 return header; |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CSIPTimestampHeader::CSIPTimestampHeader |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 EXPORT_C CSIPTimestampHeader::CSIPTimestampHeader(TReal aTimestamp) |
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50 : iTimestamp(aTimestamp), iHasDelay(EFalse) |
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51 { |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CSIPTimestampHeader::~CSIPTimestampHeader |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 EXPORT_C CSIPTimestampHeader::~CSIPTimestampHeader () |
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59 { |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CSIPTimestampHeader::SetTimestamp |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 EXPORT_C void CSIPTimestampHeader::SetTimestamp(TReal aTimestamp) |
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67 { |
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68 iTimestamp = aTimestamp; |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CSIPTimestampHeader::Timestamp |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 EXPORT_C TReal CSIPTimestampHeader::Timestamp() const |
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76 { |
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77 return iTimestamp; |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CSIPTimestampHeader::HasDelay |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 EXPORT_C TBool CSIPTimestampHeader::HasDelay() const |
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85 { |
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86 return iHasDelay; |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CSIPTimestampHeader::SetDelay |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 EXPORT_C void CSIPTimestampHeader::SetDelay(TReal aDelay) |
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94 { |
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95 iDelay = aDelay; |
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96 iHasDelay = ETrue; |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CSIPTimestampHeader::Delay |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C TReal CSIPTimestampHeader::Delay() const |
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104 { |
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105 return iDelay; |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CSIPTimestampHeader::InternalizeValueL |
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110 // ----------------------------------------------------------------------------- |
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111 // |
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112 EXPORT_C CSIPHeaderBase* |
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113 CSIPTimestampHeader::InternalizeValueL(RReadStream& aReadStream) |
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114 { |
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115 CSIPTimestampHeader* self = new(ELeave) CSIPTimestampHeader(0.0); |
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116 CleanupStack::PushL(self); |
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117 self->DoInternalizeValueL(aReadStream); |
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118 CleanupStack::Pop(self); |
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119 return self; |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CSIPTimestampHeader::CloneL |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 EXPORT_C CSIPHeaderBase* CSIPTimestampHeader::CloneL() const |
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127 { |
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128 CSIPTimestampHeader* clone = new(ELeave) CSIPTimestampHeader(iTimestamp); |
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129 CleanupStack::PushL(clone); |
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130 if(iHasDelay) |
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131 { |
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132 clone->SetDelay(iDelay); |
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133 } |
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134 CleanupStack::Pop(clone); |
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135 return clone; |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // CSIPTimestampHeader::Name |
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140 // ----------------------------------------------------------------------------- |
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141 // |
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142 EXPORT_C RStringF CSIPTimestampHeader::Name() const |
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143 { |
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144 return SIPStrings::StringF(SipStrConsts::ETimestampHeader); |
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145 } |
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146 |
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147 // ----------------------------------------------------------------------------- |
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148 // CSIPTimestampHeader::ToTextValueL |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 EXPORT_C HBufC8* CSIPTimestampHeader::ToTextValueL() const |
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152 { |
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153 TBuf8<KMaxTRealLength> delay; |
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154 TBuf8<KMaxTRealLength> timestamp; |
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155 TRealFormat realFormat; |
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156 realFormat.iPoint = '.'; // SIP uses always dot as a decimal point |
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157 |
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158 User::LeaveIfError(timestamp.Num(iTimestamp,realFormat)); |
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159 TUint encodedLength = timestamp.Length(); |
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160 if(iHasDelay) |
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161 { |
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162 // iDelay + SP |
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163 User::LeaveIfError(delay.Num(iDelay,realFormat)); |
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164 encodedLength += delay.Length() + 1; |
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165 } |
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166 |
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167 HBufC8* encodingResult = HBufC8::NewL (encodedLength); |
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168 TPtr8 encodingResultPtr = encodingResult->Des(); |
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169 |
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170 encodingResultPtr.Append(timestamp); |
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171 if(iHasDelay) |
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172 { |
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173 encodingResultPtr.Append(' '); // SP |
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174 encodingResultPtr.Append(delay); |
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175 } |
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176 |
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177 return encodingResult; |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CSIPTimestampHeader::PreferredPlaceInMessage |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 CSIPHeaderBase::TPreferredPlace |
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185 CSIPTimestampHeader::PreferredPlaceInMessage() const |
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186 { |
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187 return CSIPHeaderBase::EMiddleBottom; |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CSIPTimestampHeader::BaseDecodeL |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 RPointerArray<CSIPHeaderBase> |
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195 CSIPTimestampHeader::BaseDecodeL(const TDesC8& aValue) |
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196 { |
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197 CSIPTimestampHeader* header = DecodeL(aValue); |
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198 CleanupStack::PushL(header); |
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199 RPointerArray<CSIPHeaderBase> headers; |
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200 User::LeaveIfError (headers.Append(header)); |
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201 CleanupStack::Pop(header); |
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202 return headers; |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CSIPTimestampHeader::ExternalizeValueL |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 void CSIPTimestampHeader::ExternalizeValueL (RWriteStream& aWriteStream) const |
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210 { |
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211 aWriteStream.WriteReal64L(iTimestamp); |
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212 if(iHasDelay) |
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213 { |
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214 aWriteStream.WriteUint8L(1); // Has delay |
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215 aWriteStream.WriteReal64L(iDelay); |
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216 } |
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217 else |
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218 { |
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219 aWriteStream.WriteUint8L(0); // No delay |
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220 } |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CSIPTimestampHeader::ParseL |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 void CSIPTimestampHeader::ParseL(const TDesC8& aValue) |
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228 { |
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229 __ASSERT_ALWAYS(aValue.Length() > 0, |
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230 User::Leave(KErrSipCodecTimestampHeader)); |
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231 |
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232 TLex8 lex(aValue); |
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233 TPtrC8 timestamp(lex.NextToken()); |
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234 if(!SIPSyntaxCheck::Real(timestamp, iTimestamp)) |
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235 { |
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236 User::Leave (KErrSipCodecTimestampHeader); |
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237 } |
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238 lex.SkipSpace(); |
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239 if(lex.Peek() == 0) // Check if there is still data |
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240 { |
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241 return; |
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242 } |
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243 TPtrC8 delay(lex.NextToken()); |
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244 if(!SIPSyntaxCheck::Real(delay, iDelay)) |
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245 { |
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246 User::Leave (KErrSipCodecTimestampHeader); |
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247 } |
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248 iHasDelay = ETrue; |
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249 } |
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250 |
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251 // ----------------------------------------------------------------------------- |
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252 // CSIPTimestampHeader::DoInternalizeValueL |
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253 // ----------------------------------------------------------------------------- |
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254 // |
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255 void CSIPTimestampHeader::DoInternalizeValueL(RReadStream& aReadStream) |
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256 { |
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257 iTimestamp = aReadStream.ReadReal64L(); |
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258 if(aReadStream.ReadUint8L()) // HasDelay |
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259 { |
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260 iDelay = aReadStream.ReadReal64L(); |
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261 iHasDelay = ETrue; |
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262 } |
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263 } |