1 /* |
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2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Parse WebDAV LOCK method response body |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "rsfwlockqueryparser.h" |
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21 #include "rsfwdavfileinfo.h" |
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22 #include "mdebug.h" |
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23 |
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24 // CONSTANTS |
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25 _LIT(KTimeOutTag,"Second-"); |
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26 |
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27 // ============================ MEMBER FUNCTIONS ============================== |
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28 |
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29 CRsfwLockQueryParser* CRsfwLockQueryParser::NewLC() |
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30 { |
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31 CRsfwLockQueryParser* self = new(ELeave) CRsfwLockQueryParser; |
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32 CleanupStack::PushL(self); |
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33 self->ConstructL(); |
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34 return self; |
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35 } |
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36 |
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37 CRsfwLockQueryParser* CRsfwLockQueryParser::NewL() |
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38 { |
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39 CRsfwLockQueryParser* self = NewLC(); |
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40 CleanupStack::Pop(self); |
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41 return self; |
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42 } |
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43 |
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44 void CRsfwLockQueryParser::ConstructL() |
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45 { |
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46 /* |
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47 iParseState = ELooking; |
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48 */ |
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49 } |
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50 |
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51 CRsfwLockQueryParser::~CRsfwLockQueryParser() |
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52 { |
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53 delete iContentString; |
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54 } |
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55 |
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56 // ---------------------------------------------------------------------------- |
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57 // CRsfwLockQueryParser::OnStartDocumentL |
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58 // This method is a callback to indicate the start of the document. |
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59 // @param aDocParam Specifies the various parameters of the document. |
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60 // @arg aDocParam.iCharacterSetName The character encoding of the document. |
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61 // ---------------------------------------------------------------------------- |
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62 // |
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63 void CRsfwLockQueryParser::OnStartDocumentL( |
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64 const Xml::RDocumentParameters& /* aDocParam */, |
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65 TInt /* aErrCode */) |
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66 { |
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67 } |
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68 |
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69 // ---------------------------------------------------------------------------- |
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70 // CRsfwLockQueryParser::OnStartDocumentL |
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71 // This method is a callback to indicate the end of the document. |
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72 // ---------------------------------------------------------------------------- |
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73 // |
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74 void CRsfwLockQueryParser::OnEndDocumentL(TInt aErrCode) |
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75 { |
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76 if (aErrCode) |
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77 { |
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78 User::Leave(aErrCode); |
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79 } |
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80 } |
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81 |
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82 // ---------------------------------------------------------------------------- |
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83 // CRsfwLockQueryParser::OnStartElementL |
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84 // This method is a callback to indicate an element has been parsed. |
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85 // @param aElement is a handle to the element's details. |
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86 // @param aAttributes contains the attributes for the element. |
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87 // @param aErrorCode is the error code. |
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88 // If this is not KErrNone then special action may be required. |
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89 // ---------------------------------------------------------------------------- |
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90 // |
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91 void CRsfwLockQueryParser::OnStartElementL( |
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92 const Xml::RTagInfo& aElement, |
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93 const Xml::RAttributeArray& /* aAttributes */, |
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94 TInt aErrorCode) |
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95 { |
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96 _LIT8(KLockType, "locktype"); |
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97 _LIT8(KLockScope, "lockscope"); |
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98 _LIT8(KDepth, "depth"); |
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99 _LIT8(KTimeout, "timeout"); |
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100 _LIT8(KLockToken, "locktoken"); |
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101 |
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102 if (aErrorCode) |
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103 { |
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104 User::Leave(aErrorCode); |
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105 } |
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106 |
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107 switch (iParseState) |
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108 { |
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109 case ELockType: |
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110 // Currently, write is the only acquired type, might change later |
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111 break; |
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112 |
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113 case ELockScope: |
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114 // Currently, exclusive is the only acquired type, might change later |
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115 break; |
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116 |
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117 case EDepth: |
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118 break; |
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119 |
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120 case ETimeout: |
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121 break; |
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122 |
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123 case ELockToken: |
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124 { |
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125 _LIT8(KHref, "href"); |
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126 if (((aElement.LocalName()).DesC()).Compare(KHref) == 0) |
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127 { |
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128 iParseState = EHrefToken; |
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129 } |
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130 } |
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131 break; |
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132 |
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133 case EHrefToken: |
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134 break; |
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135 |
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136 case ELooking: // we are trying to find the next interesting tag |
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137 if (((aElement.LocalName()).DesC()).Compare(KLockType) == 0) |
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138 { |
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139 iParseState = ELockType; |
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140 } |
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141 else if (((aElement.LocalName()).DesC()).Compare(KLockScope) == 0) |
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142 { |
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143 iParseState = ELockScope; |
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144 } |
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145 else if (((aElement.LocalName()).DesC()).Compare(KDepth) == 0) |
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146 { |
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147 iParseState = EDepth; |
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148 } |
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149 else if (((aElement.LocalName()).DesC()).Compare(KTimeout) == 0) |
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150 { |
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151 iParseState = ETimeout; |
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152 } |
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153 else if (((aElement.LocalName()).DesC()).Compare(KLockToken) == 0) |
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154 { |
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155 iParseState = ELockToken; |
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156 } |
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157 else |
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158 { |
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159 // lint |
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160 } |
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161 break; |
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162 |
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163 default: |
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164 break; |
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165 } |
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166 } |
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167 |
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168 // ---------------------------------------------------------------------------- |
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169 // CRsfwLockQueryParser::OnEndElementL |
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170 // This method is a callback to indicate that end of element has been reached. |
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171 // @param aElement is a handle to the element's details. |
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172 // @param aErrorCode is the error code. |
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173 // If this is not KErrNone then special action may be required. |
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174 // ---------------------------------------------------------------------------- |
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175 // |
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176 void CRsfwLockQueryParser::OnEndElementL(const Xml::RTagInfo& /* aElement */, |
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177 TInt aErrorCode) |
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178 { |
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179 if (aErrorCode) |
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180 { |
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181 User::Leave(aErrorCode); |
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182 } |
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183 |
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184 // otherwise we will continue reading |
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185 // if we have some interesting content |
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186 if ((iParseState != ELooking) && !iContentString) |
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187 { |
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188 iParseState = ELooking; |
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189 return; |
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190 } |
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191 |
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192 switch (iParseState) |
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193 { |
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194 case ELockType: |
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195 break; |
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196 |
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197 case ELockScope: |
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198 break; |
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199 |
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200 case EDepth: |
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201 { |
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202 /* |
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203 TPtrC aux; |
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204 aux.Set(aBuf); |
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205 TLex lex(aux); |
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206 lex.Val(iDepth); |
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207 */ |
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208 } |
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209 break; |
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210 |
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211 case ETimeout: |
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212 { |
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213 if (iDavFileInfo) |
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214 { |
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215 _LIT8(KInfinite, "Infinite"); |
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216 if (iContentString->Compare(KInfinite) == 0) |
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217 { |
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218 iDavFileInfo->SetTimeout(KMaxTUint); |
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219 } |
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220 else |
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221 { |
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222 // We expect 'Second-x" where x a positive integer |
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223 TInt timeout = 0; |
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224 if (iContentString->Length() > KTimeOutTag().Length()) |
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225 { |
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226 TPtrC8 aux; |
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227 aux.Set(*iContentString); |
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228 TLex8 lex(aux); |
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229 lex.SkipAndMark(KTimeOutTag().Length()); |
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230 lex.Val(timeout); |
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231 } |
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232 iDavFileInfo->SetTimeout(timeout); |
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233 } |
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234 } |
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235 } |
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236 break; |
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237 |
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238 case ELockToken: |
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239 break; |
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240 |
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241 case EHrefToken: |
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242 if (iDavFileInfo) |
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243 { |
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244 iDavFileInfo->SetLockTokenL(*iContentString); |
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245 } |
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246 break; |
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247 |
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248 case ELooking: |
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249 break; |
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250 |
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251 default: |
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252 break; |
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253 } |
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254 |
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255 delete iContentString; |
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256 iContentString = NULL; |
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257 iParseState = ELooking; |
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258 } |
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259 |
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260 // ---------------------------------------------------------------------------- |
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261 // CRsfwLockQueryParser::OnContentL |
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262 // This method is a callback that sends the content of the element. |
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263 // Not all the content may be returned in one go. |
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264 // The data may be sent in chunks. |
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265 // When an OnEndElementL is received there is no more content to be sent. |
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266 // @param aBytes is the raw content data for the element. |
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267 // The client is responsible for converting the data to the |
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268 // required character set if necessary. |
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269 // In some instances the content may be binary and must not be converted. |
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270 // @param aErrorCode is the error code. |
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271 // If this is not KErrNone then special action may be required. |
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272 // |
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273 void CRsfwLockQueryParser::OnContentL(const TDesC8& aBytes, TInt aErrorCode) |
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274 { |
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275 if (aErrorCode) |
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276 { |
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277 User::Leave(aErrorCode); |
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278 } |
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279 |
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280 // We want to add to contentstring only if we are in a state |
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281 // where the content is interesting to us |
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282 if ((iParseState == ETimeout) || (iParseState == EHrefToken)) |
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283 { |
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284 if (!iContentString) |
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285 { |
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286 iContentString = HBufC8::NewL(aBytes.Length()); |
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287 TPtr8 string = iContentString->Des(); |
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288 string.Append(aBytes); |
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289 } |
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290 else |
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291 { |
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292 iContentString = |
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293 iContentString->ReAllocL(iContentString->Length() + |
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294 aBytes.Length()); |
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295 TPtr8 string = iContentString->Des(); |
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296 string.Append(aBytes); |
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297 } |
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298 } |
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299 } |
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300 |
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301 // ---------------------------------------------------------------------------- |
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302 // CRsfwLockQueryParser::OnStartPrefixMappingL |
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303 // This method is a notification of the beginning of the scope of a prefix-URI |
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304 // Namespace mapping. |
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305 // This method is always called before corresponding OnStartElementL method. |
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306 // @param aPrefix is the Namespace prefix being declared. |
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307 // @param aUri is the Namespace URI the prefix is mapped to. |
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308 // @param aErrorCode is the error code. |
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309 // If this is not KErrNone then special action may be required. |
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310 // ---------------------------------------------------------------------------- |
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311 // |
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312 void CRsfwLockQueryParser::OnStartPrefixMappingL(const RString& /* aPrefix */, |
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313 const RString& /* aUri */, |
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314 TInt aErrorCode) |
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315 { |
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316 if (aErrorCode) |
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317 { |
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318 User::Leave(aErrorCode); |
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319 } |
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320 } |
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321 |
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322 // ---------------------------------------------------------------------------- |
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323 // CRsfwLockQueryParser::OnEndPrefixMappingL |
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324 // This method is a notification of end of the scope of a prefix-URI mapping. |
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325 // This method is called after the corresponding DoEndElementL method. |
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326 // @param aPrefix is the Namespace prefix that was mapped. |
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327 // @param aErrorCode is the error code. |
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328 // If this is not KErrNone then special action may be required. |
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329 // ---------------------------------------------------------------------------- |
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330 // |
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331 void CRsfwLockQueryParser::OnEndPrefixMappingL(const RString& /* aPrefix */, |
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332 TInt aErrorCode) |
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333 { |
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334 if (aErrorCode) |
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335 { |
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336 User::Leave(aErrorCode); |
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337 } |
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338 } |
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339 |
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340 // ---------------------------------------------------------------------------- |
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341 // CRsfwLockQueryParser::OnIgnorableWhiteSpaceL |
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342 // This method is a notification of ignorable whitespace in element content. |
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343 // @param aBytes are the ignored bytes from the document being parsed. |
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344 // @param aErrorCode is the error code. |
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345 // If this is not KErrNone then special action may be required. |
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346 // ---------------------------------------------------------------------------- |
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347 // |
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348 void CRsfwLockQueryParser::OnIgnorableWhiteSpaceL(const TDesC8& /* aBytes */, |
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349 TInt aErrorCode) |
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350 { |
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351 if (aErrorCode) |
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352 { |
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353 User::Leave(aErrorCode); |
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354 } |
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355 } |
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356 |
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357 // ---------------------------------------------------------------------------- |
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358 // CRsfwLockQueryParser::OnSkippedEntityL |
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359 // This method is a notification of a skipped entity. |
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360 // If the parser encounters an external entity it does not need to expand it - |
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361 // it can return the entity as aName for the client to deal with. |
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362 // @param aName is the name of the skipped entity. |
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363 // @param aErrorCode is the error code. |
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364 // If this is not KErrNone then special action may be required. |
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365 // ---------------------------------------------------------------------------- |
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366 // |
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367 void CRsfwLockQueryParser::OnSkippedEntityL(const RString& /* aName */, |
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368 TInt aErrorCode) |
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369 { |
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370 if (aErrorCode) |
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371 { |
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372 User::Leave(aErrorCode); |
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373 } |
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374 } |
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375 |
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376 // ---------------------------------------------------------------------------- |
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377 // CRsfwLockQueryParser::OnProcessingInstructionL |
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378 // This method is a receive notification of a processing instruction. |
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379 // @param aTarget is the processing instruction target. |
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380 // @param aData is the processing instruction data. If empty none was supplied. |
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381 // @param aErrorCode is the error code. |
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382 // If this is not KErrNone then special action may be required. |
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383 // ---------------------------------------------------------------------------- |
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384 // |
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385 void CRsfwLockQueryParser::OnProcessingInstructionL(const TDesC8& /* aTarget */, |
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386 const TDesC8& /* aData */, |
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387 TInt aErrorCode) |
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388 { |
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389 if (aErrorCode) |
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390 { |
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391 User::Leave(aErrorCode); |
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392 } |
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393 } |
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394 |
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395 // ---------------------------------------------------------------------------- |
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396 // CRsfwLockQueryParser::OnError |
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397 // This method indicates an error has occurred. |
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398 // @param aErrorCode is the error code |
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399 // ---------------------------------------------------------------------------- |
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400 // |
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401 |
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402 void CRsfwLockQueryParser::OnError(TInt aErrorCode) |
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403 { |
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404 DEBUGSTRING(("CRsfwLockQueryParser::OnError(%d)", aErrorCode)); |
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405 iError = aErrorCode; |
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406 } |
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407 |
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408 // ---------------------------------------------------------------------------- |
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409 // CRsfwLockQueryParser::GetExtendedInterface |
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410 // This method obtains the interface matching the specified uid. |
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411 // @return 0 if no interface matching the uid is found. |
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412 // Otherwise, the this pointer cast to that interface. |
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413 // @param aUid the uid identifying the required interface. |
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414 // ---------------------------------------------------------------------------- |
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415 // |
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416 TAny* CRsfwLockQueryParser::GetExtendedInterface(const TInt32 /* aUid */) |
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417 { |
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418 return NULL; |
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419 } |
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420 |
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421 // ---------------------------------------------------------------------------- |
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422 // CRsfwLockQueryParser::SetFileDavInfo |
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423 // Set a pointer to the directory information structure to be filled. |
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424 // ---------------------------------------------------------------------------- |
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425 // |
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426 void CRsfwLockQueryParser::SetDavFileInfo(CRsfwDavFileInfo* aDavFileInfo) |
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427 { |
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428 iDavFileInfo = aDavFileInfo; |
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429 } |
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430 |
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431 TInt CRsfwLockQueryParser::GetLastError() |
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432 { |
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433 return iError; |
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434 } |
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435 |
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436 // End of File |
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