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1 /* |
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2 * Copyright (c) 2002 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: Generic WBXML generator class implementation. |
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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 // ------------------------------------------------------------------------------------------------ |
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20 // Includes |
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21 // ------------------------------------------------------------------------------------------------ |
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22 #include "WBXMLGenerator.h" |
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23 #include "WBXMLDefs.h" |
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24 #include "XMLStaticWorkspace.h" |
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25 #include "XMLDynamicWorkspace.h" |
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26 #include "WBXMLGeneratorError.h" |
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27 |
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28 // ------------------------------------------------------------------------------------------------ |
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29 // CWBXMLGenerator |
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30 // ------------------------------------------------------------------------------------------------ |
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31 EXPORT_C TPtrC8 CWBXMLGenerator::Document() |
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32 { |
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33 return Workspace()->Buffer(); |
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34 } |
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35 |
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36 // ------------------------------------------------------------------------------------------------ |
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37 EXPORT_C void CWBXMLGenerator::Reset() |
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38 { |
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39 Workspace()->Reset(); |
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40 } |
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41 |
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42 // ------------------------------------------------------------------------------------------------ |
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43 EXPORT_C void CWBXMLGenerator::CreateStaticWorkspaceL( TInt aBufferSize ) |
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44 { |
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45 FreeWorkspace(); |
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46 iWorkspace = CXMLStaticWorkspace::NewL(aBufferSize); |
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47 iOwnsWorkspace = ETrue; |
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48 } |
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49 |
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50 // ------------------------------------------------------------------------------------------------ |
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51 EXPORT_C void CWBXMLGenerator::CreateDynamicWorkspaceL() |
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52 { |
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53 FreeWorkspace(); |
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54 iWorkspace = CXMLDynamicWorkspace::NewL(); |
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55 iOwnsWorkspace = ETrue; |
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56 } |
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57 |
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58 // ------------------------------------------------------------------------------------------------ |
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59 EXPORT_C CXMLWorkspace* CWBXMLGenerator::Workspace() const |
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60 { |
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61 return iWorkspace; |
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62 } |
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63 |
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64 // ------------------------------------------------------------------------------------------------ |
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65 EXPORT_C void CWBXMLGenerator::SetWorkspace( CXMLWorkspace* aBuffer, TBool aTakeOwnership ) |
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66 { |
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67 FreeWorkspace(); |
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68 iOwnsWorkspace = aTakeOwnership; |
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69 iWorkspace = aBuffer; |
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70 } |
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71 |
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72 // ------------------------------------------------------------------------------------------------ |
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73 void CWBXMLGenerator::FreeWorkspace() |
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74 { |
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75 if( iOwnsWorkspace ) |
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76 { |
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77 delete iWorkspace; |
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78 iWorkspace = 0; |
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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 EXPORT_C CWBXMLGenerator::CWBXMLGenerator() |
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84 { |
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85 } |
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86 |
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87 // ------------------------------------------------------------------------------------------------ |
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88 EXPORT_C CWBXMLGenerator::~CWBXMLGenerator() |
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89 { |
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90 FreeWorkspace(); |
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91 } |
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92 |
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93 // ------------------------------------------------------------------------------------------------ |
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94 EXPORT_C void CWBXMLGenerator::BeginDocumentL( TUint8 aVersion, TInt32 aPublicId, TUint32 aCharset, const TDesC8& aStringTbl ) |
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95 { |
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96 Workspace()->WriteL(aVersion); |
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97 |
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98 if( aPublicId <= 0 ) |
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99 { |
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100 Workspace()->WriteL(0); |
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101 WriteMUint32L(-aPublicId); |
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102 } |
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103 else |
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104 { |
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105 WriteMUint32L(aPublicId); |
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106 } |
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107 WriteMUint32L(aCharset); |
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108 WriteMUint32L(aStringTbl.Size()); |
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109 Workspace()->WriteL(aStringTbl); |
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110 } |
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111 |
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112 // ------------------------------------------------------------------------------------------------ |
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113 EXPORT_C void CWBXMLGenerator::BeginElementL( TUint8 aElement, TBool aHasContent, TBool aHasAttributes ) |
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114 { |
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115 if( aHasAttributes ) |
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116 { |
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117 aElement |= KWBXMLHasAttributes; |
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118 } |
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119 if( aHasContent ) |
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120 { |
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121 aElement |= KWBXMLHasContent; |
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122 } |
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123 WriteMUint32L(aElement); |
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124 } |
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125 |
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126 // ------------------------------------------------------------------------------------------------ |
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127 EXPORT_C void CWBXMLGenerator::EndElementL() |
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128 { |
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129 Workspace()->WriteL(END); |
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130 } |
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131 |
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132 // ------------------------------------------------------------------------------------------------ |
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133 EXPORT_C void CWBXMLGenerator::AddElementL( TUint8 aElement, const TDesC8& aContent, const TWBXMLContentFormat aFormat ) |
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134 { |
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135 BeginElementL(aElement, ETrue); |
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136 if( aFormat == EWBXMLContentFormatOpaque ) |
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137 { |
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138 WriteOpaqueDataL(aContent); |
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139 } |
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140 else |
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141 { |
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142 WriteInlineStringL(aContent); |
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143 } |
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144 EndElementL(); |
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145 } |
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146 |
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147 // ------------------------------------------------------------------------------------------------ |
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148 EXPORT_C void CWBXMLGenerator::AddElementL( TUint8 /*aElement*/, const TDesC8& /*aContent*/, const CWBXMLAttributes& /*aAttributes*/, const TWBXMLContentFormat /*aFormat*/ ) |
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149 { |
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150 } |
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151 |
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152 // ------------------------------------------------------------------------------------------------ |
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153 EXPORT_C void CWBXMLGenerator::AddEntityL( TUint32 aEntity ) |
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154 { |
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155 Workspace()->WriteL(ENTITY); |
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156 WriteMUint32L(aEntity); |
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157 } |
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158 |
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159 // ------------------------------------------------------------------------------------------------ |
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160 EXPORT_C void CWBXMLGenerator::AddExt_IL( TInt aExtNum, const TDesC8& aContent ) |
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161 { |
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162 Workspace()->WriteL(TUint8(EXT_I_0 + aExtNum)); |
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163 WriteInlineStringL(aContent); |
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164 } |
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165 |
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166 // ------------------------------------------------------------------------------------------------ |
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167 EXPORT_C void CWBXMLGenerator::AddExt_TL( TInt aExtNum, TUint32 aContent ) |
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168 { |
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169 Workspace()->WriteL(TUint8(EXT_T_0 + aExtNum)); |
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170 WriteMUint32L(aContent); |
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171 } |
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172 |
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173 // ------------------------------------------------------------------------------------------------ |
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174 EXPORT_C void CWBXMLGenerator::AddExtL( TInt aExtNum ) |
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175 { |
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176 Workspace()->WriteL(TUint8(EXT_0 + aExtNum)); |
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177 } |
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178 |
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179 // ------------------------------------------------------------------------------------------------ |
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180 EXPORT_C void CWBXMLGenerator::SwitchCodePageL( TUint8 aNewCodePage ) |
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181 { |
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182 Workspace()->WriteL(SWITCH_PAGE); |
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183 Workspace()->WriteL(aNewCodePage); |
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184 } |
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185 |
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186 // ------------------------------------------------------------------------------------------------ |
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187 EXPORT_C TInt CWBXMLGenerator::HandleResult( TInt aResult, TInt aTreshold ) |
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188 { |
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189 switch( aResult ) |
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190 { |
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191 case KErrNone: |
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192 if( Workspace()->FreeSize() < aTreshold ) |
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193 { |
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194 Workspace()->Rollback(); |
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195 return KWBXMLGeneratorBufferFull; |
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196 } |
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197 Workspace()->Commit(); |
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198 return KWBXMLGeneratorOk; |
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199 |
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200 case KErrTooBig: |
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201 Workspace()->Rollback(); |
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202 return KWBXMLGeneratorBufferFull; |
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203 |
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204 default: |
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205 return KErrGeneral; |
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206 } |
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207 } |
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208 |
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209 // ------------------------------------------------------------------------------------------------ |
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210 void CWBXMLGenerator::WriteMUint32L( TUint32 aValue ) |
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211 { |
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212 TUint8 temp[5]; |
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213 TInt i(4); |
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214 |
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215 temp[i--] = TUint8(aValue & 0x7F); |
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216 aValue >>= 7; |
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217 while( aValue > 0 ) |
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218 { |
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219 temp[i--] = TUint8((aValue & 0x7F) | 0x80); |
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220 aValue >>= 7; |
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221 } |
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222 |
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223 while( i < 4 ) |
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224 { |
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225 Workspace()->WriteL(temp[++i]); |
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226 } |
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227 } |
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228 |
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229 // ------------------------------------------------------------------------------------------------ |
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230 void CWBXMLGenerator::WriteOpaqueDataL( const TDesC8& aData ) |
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231 { |
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232 Workspace()->WriteL(OPAQUE); |
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233 WriteMUint32L(aData.Size()); |
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234 Workspace()->WriteL(aData); |
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235 } |
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236 |
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237 // ------------------------------------------------------------------------------------------------ |
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238 void CWBXMLGenerator::WriteInlineStringL( const TDesC8& aData ) |
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239 { |
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240 Workspace()->WriteL(STR_I); |
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241 Workspace()->WriteL(aData); |
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242 Workspace()->WriteL(0); |
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243 } |
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244 |