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1 /* |
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2 * Copyright (c) 2006, 2007 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: This class parses the dps xml script. |
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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 #ifndef DPSXMLPARSER_H |
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20 #define DPSXMLPARSER_H |
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21 |
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22 #include <e32base.h> |
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23 #include <xml/wbxmlextensionhandler.h> |
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24 #include <contenthandler.h> |
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25 #include "dpsdefs.h" |
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26 #include "dpsconst.h" |
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27 |
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28 using namespace Xml; |
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29 |
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30 class CDpsEngine; |
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31 |
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32 /** |
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33 * The interface acts as a hook between the xml framework and the detailed |
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34 * implementation |
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35 */ |
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36 class MDpsExtensionHandler |
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37 { |
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38 public: |
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39 enum |
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40 { |
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41 // dps engine dll uid |
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42 EInterfaceUid = 0x10274798 |
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43 }; |
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44 }; |
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45 |
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46 /** |
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47 * The parser for dps script |
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48 */ |
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49 NONSHARABLE_CLASS(CDpsXmlParser) : public CBase, public MContentHandler, |
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50 public MDpsExtensionHandler |
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51 { |
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52 public: |
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53 /** |
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54 * Two phase constructor |
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55 * @param aEngine the dps engine pointer |
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56 * @return a CDpsXmlParaser instance |
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57 */ |
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58 static CDpsXmlParser* NewL(CDpsEngine* aEngine); |
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59 |
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60 /** |
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61 * Destructor |
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62 */ |
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63 ~CDpsXmlParser(); |
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64 |
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65 /** |
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66 * @return ETrue if the script is a dps notification, |
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67 * otherwise EFalse |
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68 */ |
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69 inline TBool IsEvent() const; |
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70 |
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71 /** |
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72 * Gets the dps operation result from the parser and sets it to the |
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73 * dps reply |
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74 * @param aResult the dps operatoin result |
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75 */ |
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76 inline void SetOperationResult(TDpsResult& aResult) const; |
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77 |
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78 /** |
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79 * Gets the dps operation enumeration of this script |
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80 * @return the dps operation enumeration |
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81 */ |
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82 inline TDpsOperation Operation() const; |
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83 |
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84 /** |
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85 * Sets the dps operation arguments |
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86 * @param aParams the arguments to be set |
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87 */ |
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88 inline void SetParameters(TDpsArgArray& aParams); |
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89 |
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90 /** |
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91 * Gets the dps event of this script |
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92 * @return the dps event enumeration |
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93 */ |
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94 inline TDpsEvent Event() const; |
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95 |
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96 /** |
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97 * Gets the dps attribute |
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98 * @param aAttrib the attribute got |
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99 */ |
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100 inline void GetAttribute(TDpsAttribute& aAttrib) const; |
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101 |
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102 /** |
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103 * @return ETrue if this dps operation has attribue, othewise EFalse |
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104 */ |
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105 inline TBool HasAttribute() const; |
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106 |
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107 /** |
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108 * Gets the dps arguments |
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109 * @param aParams the arguments to be returned |
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110 */ |
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111 inline void GetParameters(TDpsArgArray& aParams) const; |
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112 |
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113 /** |
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114 * Resets the member variables |
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115 */ |
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116 void Reset(); |
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117 |
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118 |
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119 private: |
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120 // From MContentHandler |
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121 /** |
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122 * @see MContentHandler |
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123 */ |
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124 void OnStartDocumentL(const RDocumentParameters& aDocParam, |
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125 TInt aErrorCode); |
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126 |
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127 /** |
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128 * @see MContentHandler |
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129 */ |
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130 void OnEndDocumentL(TInt aErrorCode); |
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131 |
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132 /** |
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133 * @see MContentHandler |
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134 */ |
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135 void OnStartElementL(const RTagInfo& aElement, |
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136 const RAttributeArray& aAttributes, |
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137 TInt aErrCode); |
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138 |
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139 /** |
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140 * @see MContentHandler |
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141 */ |
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142 void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode); |
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143 |
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144 /** |
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145 * @see MContentHandler |
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146 */ |
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147 void OnContentL(const TDesC8& aBytes, TInt aErrorCode); |
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148 |
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149 /** |
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150 * @see MContentHandler |
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151 */ |
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152 void OnStartPrefixMappingL(const RString& aPrefix, |
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153 const RString& aUri, |
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154 TInt aErrorCode); |
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155 |
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156 /** |
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157 * @see MContentHandler |
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158 */ |
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159 void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode); |
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160 |
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161 /** |
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162 * @see MContentHandler |
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163 */ |
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164 void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode); |
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165 |
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166 /** |
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167 * @see MContentHandler |
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168 */ |
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169 void OnSkippedEntityL(const RString& aName, TInt aErrorCode); |
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170 |
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171 /** |
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172 * @see MContentHandler |
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173 */ |
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174 void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData, |
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175 TInt aErrorCode); |
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176 |
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177 /** |
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178 * @see MContentHandler |
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179 */ |
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180 void OnError(TInt aErrorCode); |
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181 |
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182 /** |
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183 * @see MContentHandler |
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184 */ |
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185 TAny* GetExtendedInterface(const TInt32 aUid); |
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186 |
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187 private: |
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188 /** |
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189 * Default constructor |
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190 * @param aEngine a pointer to the dps engine |
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191 */ |
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192 CDpsXmlParser(CDpsEngine* aEngine); |
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193 |
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194 /** |
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195 * |
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196 */ |
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197 void ParseAttributesL(const RAttributeArray& aAttributes, |
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198 const TDesC8& aTag); |
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199 |
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200 |
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201 private: |
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202 TDpsXmlAction iAction; |
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203 TDpsAttribute iAttrib; |
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204 |
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205 TDpsEvent iDpsEvent; |
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206 TDpsOperation iDpsOperation; |
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207 TDpsResult iDpsResult; |
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208 // only one |
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209 TDpsElement iElement; |
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210 TDpsArgArray iDpsArgs; |
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211 // not owned by this class |
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212 CDpsEngine* iEngine; |
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213 }; |
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214 #include "dpsxmlparser.inl" |
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215 #endif |