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1 /* |
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2 * Copyright (c) 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: Provides CXhtmlParser class methods. |
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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 #include <coemain.h> |
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21 #include <gulfont.h> |
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22 #include <eikenv.h> |
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23 #include <txtfrmat.h> |
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24 #include <txtetext.h> |
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25 #include <frmconst.h> |
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26 #include <e32math.h> |
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27 #include <gdi.h> |
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28 #include <AknUtils.h> |
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29 #include <fontids.hrh> |
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30 #include <gmxmldocument.h> |
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31 #include <gmxmlnode.h> |
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32 #include <gmxmlelement.h> |
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33 #include <gmxmltext.h> |
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34 #include <smilliterals.h> |
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35 |
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36 #include "Xhtmldef.h" |
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37 #include "xhtmlentityconverter.h" |
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38 #include "xhtmlfontspecs.h" |
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39 #include "xhtmlstack.h" |
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40 #include "xhtmlstackmanager.h" |
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41 #include "xhtmlhyperlink.h" |
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42 #include "xhtmlparser.h" |
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43 #include "xhtmlparserlogging.h" |
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44 |
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45 const TInt KNoListContext = 0; |
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46 const TInt KUnorderedListContext = 1; |
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47 const TInt KOrderedListContext = 2; |
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48 const TInt KNoStylePosition = -1; |
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49 |
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50 const TInt KListBullet = 0x2022; |
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51 const TInt KListBullet2 = 0x25E6; |
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52 const TInt KPlainBullet = 0x2d; // '-' |
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53 const TInt KPlainBullet2 = 0x2a; // '*' |
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54 const TInt KColon = 0x3a; // ':' |
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55 const TInt KSemicolon = 0x3b; // ';' |
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56 |
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57 const TInt KBlackColorCode = 0x000000; |
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58 const TInt KWhiteColorCode = 0xffffff; |
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59 const TInt KBlueColorCode = 0xff0000; |
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60 const TInt KLimeColorCode = 0x00ff00; |
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61 const TInt KRedColorCode = 0x0000ff; |
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62 |
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63 const TInt KDefaultIndentWidth = 4; // 4 spaces |
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64 const TInt KDefaultMaxListLevels = 5; |
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65 |
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66 _LIT( KWhiteSpace, " " ); |
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67 _LIT( KHrSeparator, "__________" ); |
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68 _LIT16(KListNumberFormat, "%d. "); |
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69 _LIT( KNullString, "" ); |
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70 |
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71 const TInt KHyperLinkArrayGranularity = 16; |
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72 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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73 const TText KZeroWidthSpace = 0x200B; |
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74 #endif |
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75 |
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76 // --------------------------------------------------------- |
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77 // CXhtmlParser::NewL |
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78 // --------------------------------------------------------- |
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79 // |
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80 EXPORT_C CXhtmlParser* CXhtmlParser::NewL( MXhtmlParserObserver* aParserObserver ) |
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81 { |
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82 CXhtmlParser* self = new( ELeave ) CXhtmlParser( aParserObserver ); |
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83 CleanupStack::PushL( self ); |
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84 self->ConstructL(); |
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85 CleanupStack::Pop( self ); |
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86 return self; |
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87 }; |
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88 |
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89 // --------------------------------------------------------- |
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90 // CXhtmlParser::~CXhtmlParser |
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91 // --------------------------------------------------------- |
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92 // |
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93 CXhtmlParser::~CXhtmlParser() |
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94 { |
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95 if( iCurrentCharLayer ) |
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96 { |
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97 iCurrentCharLayer->Reset(); |
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98 delete iCurrentCharLayer; |
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99 } |
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100 |
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101 delete iXmlParser; |
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102 delete iXhtmlFontSpecs; |
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103 delete iHyperLinkAddress; |
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104 delete iStackManager; |
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105 delete iXmlDocument; |
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106 |
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107 if ( iHyperLinkArray ) |
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108 { |
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109 iHyperLinkArray->ResetAndDestroy(); |
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110 delete iHyperLinkArray; |
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111 } |
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112 } |
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113 |
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114 // --------------------------------------------------------- |
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115 // CXhtmlParser::CreateDomL |
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116 // --------------------------------------------------------- |
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117 // |
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118 EXPORT_C void CXhtmlParser::CreateDomL( RFs &aRFs, const TDesC& aFileToParse ) |
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119 { |
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120 XHTMLLOG_WRITE( "CXhtmlParser::CreateDomL in" ); |
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121 User::LeaveIfError( iXmlParser->ParseFile( aRFs, aFileToParse ) ); |
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122 XHTMLLOG_WRITE( "CXhtmlParser::CreateDomL out" ); |
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123 } |
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124 |
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125 // --------------------------------------------------------- |
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126 // CXhtmlParser::CreateDomL |
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127 // --------------------------------------------------------- |
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128 // |
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129 EXPORT_C void CXhtmlParser::CreateDomL( RFile& aFileHandleToParse ) |
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130 { |
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131 XHTMLLOG_WRITE( "CXhtmlParser::CreateDomL in" ); |
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132 User::LeaveIfError( iXmlParser->ParseFile( aFileHandleToParse ) ); |
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133 XHTMLLOG_WRITE( "CXhtmlParser::CreateDomL out" ); |
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134 } |
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135 |
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136 // --------------------------------------------------------- |
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137 // CXhtmlParser::ParseL |
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138 // --------------------------------------------------------- |
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139 // |
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140 EXPORT_C void CXhtmlParser::ParseL( CRichText& aRichText ) |
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141 { |
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142 XHTMLLOG_WRITE( "CXhtmlParser::ParseL in" ); |
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143 iRichText = &aRichText; |
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144 |
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145 ResetValues(); |
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146 ParseDomL( iXmlDocument); |
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147 XHTMLLOG_WRITE( "CXhtmlParser::ParseL out" ); |
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148 } |
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149 |
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150 // --------------------------------------------------------- |
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151 // CXhtmlParser::Cancel |
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152 // --------------------------------------------------------- |
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153 // |
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154 EXPORT_C void CXhtmlParser::Cancel() |
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155 { |
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156 iXmlParser->Cancel(); |
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157 } |
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158 |
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159 // --------------------------------------------------------- |
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160 // CXhtmlParser::SetFonts |
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161 // --------------------------------------------------------- |
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162 // |
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163 EXPORT_C void CXhtmlParser::SetFonts( const CFont* aBigFont, |
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164 const CFont* aDefaultFont, |
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165 const CFont* aSmallFont, |
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166 const CFont* aCourierFont ) |
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167 { |
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168 iXhtmlFontSpecs->SetFonts( aBigFont, aDefaultFont, aSmallFont, aCourierFont ); |
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169 } |
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170 |
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171 // --------------------------------------------------------- |
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172 // CXhtmlParser::SetDefaultTextColor |
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173 // --------------------------------------------------------- |
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174 // |
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175 EXPORT_C void CXhtmlParser::SetDefaultTextColor( TRgb aColor ) |
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176 { |
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177 iTextColor = aColor; |
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178 } |
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179 |
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180 // --------------------------------------------------------- |
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181 // CXhtmlParser::SetMode |
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182 // |
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183 // --------------------------------------------------------- |
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184 // |
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185 EXPORT_C void CXhtmlParser::SetMode( TBool aPlainText, TBool aShowUrls ) |
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186 { |
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187 iPlainText = aPlainText; |
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188 iShowUrls = aShowUrls; |
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189 } |
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190 |
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191 // --------------------------------------------------------- |
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192 // CXhtmlParser::HyperLink |
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193 // --------------------------------------------------------- |
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194 // |
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195 EXPORT_C TInt CXhtmlParser::HyperLink( TInt aIndex, |
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196 TInt& aStartPos, TInt& aEndPos, |
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197 TPtrC& aAddress ) |
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198 { |
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199 if ( aIndex >= iHyperLinkArray->Count() ) |
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200 { |
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201 return KErrArgument; |
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202 } |
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203 |
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204 CXhtmlHyperLink* hpLink = (*iHyperLinkArray)[aIndex]; |
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205 aStartPos = hpLink->StartPosition(); |
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206 aEndPos = hpLink->EndPosition(); |
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207 |
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208 if ( hpLink->Address() ) |
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209 { |
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210 TPtr tmpPtr = hpLink->Address()->Des(); |
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211 aAddress.Set( tmpPtr ); |
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212 } |
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213 else |
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214 { |
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215 aAddress.Set(KNullString); |
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216 } |
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217 return KErrNone; |
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218 } |
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219 |
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220 // --------------------------------------------------------- |
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221 // CXhtmlParser::HyperLinkCount |
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222 // --------------------------------------------------------- |
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223 // |
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224 EXPORT_C TInt CXhtmlParser::HyperLinkCount() |
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225 { |
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226 if ( iHyperLinkArray ) |
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227 { |
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228 return iHyperLinkArray->Count(); |
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229 } |
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230 return 0; |
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231 } |
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232 |
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233 // --------------------------------------------------------- |
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234 // CXhtmlParser::ParseFileCompleteL |
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235 // --------------------------------------------------------- |
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236 // |
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237 void CXhtmlParser::ParseFileCompleteL() |
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238 { |
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239 XHTMLLOG_WRITE( "CXhtmlParser::ParseFileCompleteL in" ); |
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240 delete iXmlDocument; |
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241 iXmlDocument = iXmlParser->DetachXMLDoc(); |
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242 |
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243 TRAPD( error, iObserver->ParseCompleteL() ); |
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244 |
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245 if ( error ) |
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246 { |
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247 iObserver->ParseError( error ); |
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248 } |
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249 XHTMLLOG_WRITE( "CXhtmlParser::ParseFileCompleteL out" ); |
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250 } |
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251 |
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252 // --------------------------------------------------------- |
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253 // CXhtmlParser::CXhtmlParser |
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254 // --------------------------------------------------------- |
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255 // |
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256 CXhtmlParser::CXhtmlParser( MXhtmlParserObserver* aParserObserver ) : |
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257 iParsingAllowed( EFalse ), |
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258 iPlainText( EFalse ), |
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259 iShowUrls( EFalse ), |
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260 iPreformatted( 0 ), |
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261 iAlignment( CParaFormat::ELeftAlign ), |
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262 iStylePos( KNoStylePosition ), |
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263 iNewParagraph( EFalse ), |
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264 iNewLines( 0 ), |
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265 iForcedNewLines( 0 ), |
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266 iSkipWhiteSpaces( ETrue ), |
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267 iAlignmentChanged( EFalse ), |
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268 iImageFound( EFalse ), |
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269 iFirstTextLineAdded( EFalse ), |
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270 iCurrentListContext( KNoListContext ), |
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271 iDefListLevel( 0 ), |
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272 iBlockQuoteLevel( 0 ), |
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273 iHyperLinkPos( 0 ), |
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274 iTextColor( KBlackColorCode ), |
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275 iObserver( aParserObserver ), |
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276 iIndentWidth( KDefaultIndentWidth ), |
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277 iMaxListLevels( KDefaultMaxListLevels ) |
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278 { |
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279 } |
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280 |
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281 // --------------------------------------------------------- |
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282 // CXhtmlParser::ConstructL |
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283 // --------------------------------------------------------- |
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284 // |
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285 void CXhtmlParser::ConstructL() |
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286 { |
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287 iStackManager = CXhtmlStackManager::NewL(); |
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288 iXmlParser = CMDXMLParser::NewL( this ); |
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289 |
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290 // This enables the correction of the following bug: |
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291 // |
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292 // ID: TPHU-72BFLV |
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293 // Title: MMS Viewer: Whitespace characters are consumed in XHTML text |
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294 // |
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295 // Partial correction to the bug is implemented in Symbian XML parser code. |
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296 // This call sets XML parser to mode where all whitespaces are forwarded to |
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297 // XHTML parser inside DOM document. So, actual whitespace handling is |
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298 // implemented inside XHTML parser. |
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299 |
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300 iXmlParser->SetWhiteSpaceHandlingMode( ETrue ); |
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301 |
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302 CXhtmlEntityConverter* converter = |
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303 new ( ELeave ) CXhtmlEntityConverter(); |
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304 |
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305 //Ownership transferred to XML parser |
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306 iXmlParser->SetEntityConverter( converter ); |
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307 |
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308 iXhtmlFontSpecs = new ( ELeave ) CXhtmlFontSpecs(); |
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309 iHyperLinkArray = new ( ELeave ) CArrayPtrFlat<CXhtmlHyperLink>( KHyperLinkArrayGranularity ); |
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310 } |
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311 |
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312 // --------------------------------------------------------- |
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313 // CXhtmlParser::ParseDomL |
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314 // --------------------------------------------------------- |
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315 // |
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316 void CXhtmlParser::ParseDomL( CMDXMLDocument* aXmlDocument ) |
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317 { |
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318 XHTMLLOG_WRITE( "CXhtmlParser::ParseDomL in" ); |
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319 TCharFormat charFormat; |
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320 TCharFormatMask charFormatMask; |
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321 |
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322 charFormat.iFontSpec = iXhtmlFontSpecs->DefaultFont()->FontSpecInTwips(); |
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323 charFormat.iFontPresentation.iTextColor = iTextColor; |
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324 |
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325 charFormatMask.SetAttrib( EAttColor ); |
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326 charFormatMask.SetAttrib( EAttFontTypeface ); |
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327 charFormatMask.SetAttrib( EAttFontPosture ); |
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328 charFormatMask.SetAttrib( EAttFontHeight ); |
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329 charFormatMask.SetAttrib( EAttFontStrokeWeight ); |
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330 |
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331 // delete old CharFormatLayer |
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332 |
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333 if( iCurrentCharLayer ) |
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334 { |
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335 iCurrentCharLayer->Reset(); |
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336 delete iCurrentCharLayer; |
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337 iCurrentCharLayer = NULL; |
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338 } |
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339 |
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340 // create new CharFormatLayer based on GlobalCharFormatLayer and |
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341 // custom font/color |
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342 |
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343 CCharFormatLayer* charFormatLayer = CCharFormatLayer::NewL( charFormat, |
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344 charFormatMask ); |
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345 |
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346 charFormatLayer->SetBase( iRichText->GlobalCharFormatLayer() ); |
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347 iCurrentCharLayer = charFormatLayer; |
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348 |
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349 CMDXMLNode* node = aXmlDocument->DocumentElement(); |
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350 |
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351 while( node ) |
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352 { |
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353 OpenNodeL( node ); |
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354 |
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355 if( node->FirstChild() ) |
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356 { |
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357 node = node->FirstChild(); |
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358 } |
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359 else if( node->NextSibling() ) |
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360 { |
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361 CloseNodeL( node ); |
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362 node = node->NextSibling(); |
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363 } |
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364 else |
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365 { |
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366 while( node ) |
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367 { |
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368 CloseNodeL( node ); |
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369 |
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370 if( node->NextSibling() ) |
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371 { |
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372 node = node->NextSibling(); |
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373 break; |
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374 } |
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375 node = node->ParentNode(); |
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376 } |
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377 } |
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378 } |
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379 XHTMLLOG_WRITE( "CXhtmlParser::ParseDomL out" ); |
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380 } |
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381 |
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382 // --------------------------------------------------------- |
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383 // CXhtmlParser::OpenNodeL |
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384 // --------------------------------------------------------- |
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385 // |
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386 void CXhtmlParser::OpenNodeL( CMDXMLNode* aNode ) |
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387 { |
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388 switch( aNode->NodeType() ) |
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389 { |
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390 case CMDXMLNode::EElementNode: |
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391 { |
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392 CMDXMLElement* element = static_cast<CMDXMLElement*>( aNode ); |
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393 |
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394 |
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395 // PrepareForBeginElementL does some operations needed before possible |
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396 // attributes are handled. |
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397 // |
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398 // In practice PrepareForBeginElementL adds a new style to stylestack |
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399 // If there is no attributes within this tag, this style is not used although |
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400 // it is on the stack |
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401 |
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402 PrepareForBeginElementL( element->NodeName() ); |
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403 |
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404 // handle possible attributes related to begin tag |
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405 |
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406 for( TInt i = 0; i<element->NumAttributes(); ++i ) |
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407 { |
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408 TPtrC name; |
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409 TPtrC value; |
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410 |
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411 if ( element->AttributeDetails( i, name, value ) == KErrNone ) |
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412 { |
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413 AttributeValueL( name, value ); |
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414 } |
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415 } |
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416 |
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417 // Handles actual begin tag. If it doesn't cause changes to |
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418 // style or paragraphs, doesn't do anything |
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419 |
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420 BeginElementL( element->NodeName() ); |
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421 break; |
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422 } |
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423 |
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424 case CMDXMLNode::ETextNode: |
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425 { |
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426 CMDXMLText* txt = static_cast<CMDXMLText*>( aNode ); |
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427 |
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428 // Adds actual text to CRichText object. |
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429 // Style and paragraph format are added later when |
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430 // end tags are handled |
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431 |
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432 ContentL( txt->Data() ); |
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433 break; |
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434 } |
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435 |
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436 case CMDXMLNode::ECDATASectionNode: |
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437 { |
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438 // CDATA section skipped |
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439 break; |
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440 } |
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441 |
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442 case CMDXMLNode::ECommentNode: |
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443 { |
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444 // comment skipped |
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445 break; |
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446 } |
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447 |
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448 default: |
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449 { |
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450 break; |
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451 } |
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452 } |
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453 } |
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454 |
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455 // --------------------------------------------------------- |
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456 // CXhtmlParser::CloseNode |
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457 // --------------------------------------------------------- |
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458 // |
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459 void CXhtmlParser::CloseNodeL( CMDXMLNode* aNode ) |
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460 { |
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461 if( aNode->NodeType()==CMDXMLNode::EElementNode ) |
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462 { |
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463 EndElementL( aNode->NodeName() ); |
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464 } |
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465 } |
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466 |
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467 // --------------------------------------------------------- |
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468 // CXhtmlParser::PrepareForBeginElementL |
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469 // --------------------------------------------------------- |
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470 // |
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471 void CXhtmlParser::PrepareForBeginElementL( const TDesC& aName ) |
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472 { |
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473 iAlignmentChanged = EFalse; |
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474 iImageFound = EFalse; |
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475 |
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476 if ( !aName.CompareF( KATag ) ) |
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477 { |
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478 BeginHyperLink( iRichText->DocumentLength() ); |
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479 } |
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480 else if ( !aName.CompareF( KImgTag ) ) |
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481 { |
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482 iImageFound = ETrue; |
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483 } |
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484 |
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485 BeginStyleL(); |
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486 } |
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487 |
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488 // --------------------------------------------------------- |
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489 // CXhtmlParser::BeginElementL |
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490 // --------------------------------------------------------- |
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491 // |
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492 void CXhtmlParser::BeginElementL( const TDesC& aName ) |
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493 { |
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494 iImageFound = EFalse; |
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495 |
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496 // If default alignment changed within this tag, begin new paragraph with new alignment. |
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497 // Add information about changed alignment. This info is used later |
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498 // to end paragraph |
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499 |
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500 if ( iAlignmentChanged ) |
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501 { |
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502 iStackManager->StyleStack()->Top()->iAlignmentChanged = ETrue; |
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503 iAlignmentChanged = EFalse; |
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504 |
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505 BeginParagraphL( iAlignment ); |
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506 } |
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507 |
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508 if( !aName.CompareF( KHtmlTag ) ) |
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509 { |
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510 } |
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511 else if( !aName.CompareF( KHrTag ) ) |
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512 { |
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513 BeginParagraphL( CParaFormat::ECenterAlign ); |
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514 // default alignment is center |
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515 |
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516 BeginStyleL(); |
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517 |
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518 TCharFormat charFormat; |
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519 TCharFormatMask charFormatMask; |
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520 |
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521 charFormat.iFontSpec = iXhtmlFontSpecs->DefaultFont()->FontSpecInTwips(); |
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522 |
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523 charFormatMask.SetAttrib( EAttFontHeight ); |
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524 charFormatMask.SetAttrib( EAttFontTypeface ); |
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525 charFormatMask.SetAttrib( EAttFontPosture ); |
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526 charFormatMask.SetAttrib( EAttFontStrokeWeight ); |
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527 |
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528 ChangeCurrentStyleL(charFormat, charFormatMask); |
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529 InsertTextL( KHrSeparator); |
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530 } |
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531 else if (!aName.CompareF( KDdTag ) ) |
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532 { |
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533 BeginParagraphL( iAlignment ); |
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534 iDefListLevel++; |
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535 } |
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536 else if (!aName.CompareF( KDtTag ) ) |
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537 { |
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538 InsertLineBreak(); |
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539 } |
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540 else if (!aName.CompareF( KDlTag ) ) |
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541 { |
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542 InsertLineBreak(); |
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543 BeginParagraphL( iAlignment ); |
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544 } |
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545 else if( !aName.CompareF( KBodyTag ) ) |
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546 { |
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547 BeginStyleL(); |
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548 iParsingAllowed = ETrue; |
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549 } |
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550 else if( !aName.CompareF( KAbbrTag ) ) |
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551 { |
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552 } |
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553 else if( !aName.CompareF( KAcronymTag ) ) |
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554 { |
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555 } |
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556 else if( !aName.CompareF( KSpanTag ) ) |
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557 { |
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558 } |
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559 else if( !aName.CompareF( KDivTag ) ) |
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560 { |
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561 BeginParagraphL( iAlignment ); |
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562 } |
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563 else if( !aName.CompareF( KBrTag ) ) |
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564 { |
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565 InsertForcedLineBreak(); |
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566 } |
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567 else if( !aName.CompareF( KPTag ) ) |
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568 { |
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569 InsertLineBreak(); |
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570 BeginParagraphL( iAlignment ); |
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571 } |
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572 else if( !aName.CompareF( KSmallTag ) || !aName.CompareF( KBigTag ) ) |
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573 { |
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574 TCharFormat charFormat; |
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575 TCharFormatMask charFormatMask; |
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576 |
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577 charFormatMask.SetAttrib( EAttFontTypeface ); |
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578 charFormatMask.SetAttrib( EAttFontPosture ); |
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579 charFormatMask.SetAttrib( EAttFontHeight ); |
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580 charFormatMask.SetAttrib( EAttFontStrokeWeight ); |
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581 |
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582 if ( !aName.CompareF( KSmallTag ) ) |
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583 { |
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584 charFormat.iFontSpec = iXhtmlFontSpecs->SmallFont()->FontSpecInTwips(); |
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585 } |
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586 else |
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587 { |
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588 charFormat.iFontSpec = iXhtmlFontSpecs->BigFont()->FontSpecInTwips(); |
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589 } |
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590 BeginStyleL(); |
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591 ChangeCurrentStyleL(charFormat, charFormatMask); |
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592 } |
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593 |
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594 else if( !aName.CompareF( KFontTag ) ) |
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595 { |
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596 } |
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597 else if( !aName.CompareF( KBTag ) || !aName.CompareF( KStrongTag ) ) |
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598 { |
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599 TCharFormat charFormat; |
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600 TCharFormatMask charFormatMask; |
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601 charFormatMask.SetAttrib( EAttFontStrokeWeight ); |
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602 charFormat.iFontSpec.iFontStyle.SetStrokeWeight( EStrokeWeightBold ); |
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603 |
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604 BeginStyleL(); |
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605 ChangeCurrentStyleL(charFormat, charFormatMask); |
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606 } |
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607 else if( !aName.CompareF( KITag ) || !aName.CompareF( KEmTag ) || |
|
608 !aName.CompareF( KCiteTag ) || !aName.CompareF( KDfnTag ) || |
|
609 !aName.CompareF( KVarTag ) ) |
|
610 { |
|
611 TCharFormat charFormat; |
|
612 TCharFormatMask charFormatMask; |
|
613 |
|
614 charFormatMask.SetAttrib( EAttFontPosture ); |
|
615 charFormat.iFontSpec.iFontStyle.SetPosture( EPostureItalic ); |
|
616 |
|
617 BeginStyleL(); |
|
618 ChangeCurrentStyleL( charFormat, charFormatMask); |
|
619 } |
|
620 else if( !aName.CompareF( KAddressTag ) ) |
|
621 { |
|
622 TCharFormat charFormat; |
|
623 TCharFormatMask charFormatMask; |
|
624 |
|
625 charFormatMask.SetAttrib( EAttFontPosture ); |
|
626 charFormat.iFontSpec.iFontStyle.SetPosture( EPostureItalic ); |
|
627 |
|
628 BeginStyleL(); |
|
629 ChangeCurrentStyleL(charFormat, charFormatMask); |
|
630 |
|
631 InsertLineBreak(); |
|
632 } |
|
633 else if( !aName.CompareF( KKbdTag ) || !aName.CompareF( KCodeTag ) || |
|
634 !aName.CompareF( KSampTag ) ) |
|
635 { |
|
636 TCharFormat charFormat; |
|
637 TCharFormatMask charFormatMask; |
|
638 |
|
639 charFormatMask.SetAttrib( EAttFontTypeface ); |
|
640 charFormatMask.SetAttrib( EAttFontPosture ); |
|
641 charFormatMask.SetAttrib( EAttFontHeight ); |
|
642 charFormatMask.SetAttrib( EAttFontStrokeWeight ); |
|
643 |
|
644 charFormat.iFontSpec = iXhtmlFontSpecs->CourierFont()->FontSpecInTwips(); |
|
645 |
|
646 BeginStyleL(); |
|
647 ChangeCurrentStyleL( charFormat, charFormatMask ); |
|
648 } |
|
649 else if( !aName.CompareF( KBlockquoteTag ) ) |
|
650 { |
|
651 InsertLineBreak(); |
|
652 BeginParagraphL( iAlignment ); |
|
653 |
|
654 iBlockQuoteLevel++; |
|
655 } |
|
656 else if( !aName.CompareF( KPreTag ) ) |
|
657 { |
|
658 if ( iPreformatted == 0 ) |
|
659 { |
|
660 InsertLineBreak(); |
|
661 InsertLineBreak(); |
|
662 } |
|
663 iPreformatted++; |
|
664 } |
|
665 else if( !aName.CompareF( KQTag ) ) |
|
666 { |
|
667 } |
|
668 else if ( !aName.CompareF( KH1Tag ) || !aName.CompareF( KH2Tag ) || |
|
669 !aName.CompareF( KH3Tag )|| !aName.CompareF( KH4Tag ) || |
|
670 !aName.CompareF( KH5Tag )|| !aName.CompareF( KH6Tag ) ) |
|
671 { |
|
672 InsertLineBreak(); |
|
673 BeginParagraphL( iAlignment ); |
|
674 BeginStyleL(); |
|
675 |
|
676 TCharFormat charFormat; |
|
677 TCharFormatMask charFormatMask; |
|
678 |
|
679 charFormatMask.SetAttrib( EAttFontTypeface ); |
|
680 charFormatMask.SetAttrib( EAttFontPosture ); |
|
681 charFormatMask.SetAttrib( EAttFontHeight ); |
|
682 charFormatMask.SetAttrib( EAttFontStrokeWeight ); |
|
683 |
|
684 if ( !aName.CompareF( KH1Tag ) ) |
|
685 { |
|
686 charFormat.iFontSpec = iXhtmlFontSpecs->H1Font()->FontSpecInTwips(); |
|
687 } |
|
688 else if ( !aName.CompareF( KH2Tag ) ) |
|
689 { |
|
690 charFormat.iFontSpec = iXhtmlFontSpecs->H2Font()->FontSpecInTwips(); |
|
691 } |
|
692 else if ( !aName.CompareF( KH3Tag ) ) |
|
693 { |
|
694 charFormat.iFontSpec = iXhtmlFontSpecs->H3Font()->FontSpecInTwips(); |
|
695 } |
|
696 else if ( !aName.CompareF( KH4Tag ) ) |
|
697 { |
|
698 charFormat.iFontSpec = iXhtmlFontSpecs->H4Font()->FontSpecInTwips(); |
|
699 } |
|
700 else if ( !aName.CompareF( KH5Tag ) ) |
|
701 { |
|
702 charFormat.iFontSpec = iXhtmlFontSpecs->H5Font()->FontSpecInTwips(); |
|
703 } |
|
704 else |
|
705 { |
|
706 charFormat.iFontSpec = iXhtmlFontSpecs->H6Font()->FontSpecInTwips(); |
|
707 } |
|
708 |
|
709 charFormat.iFontSpec.iFontStyle.SetStrokeWeight( EStrokeWeightBold ); |
|
710 ChangeCurrentStyleL(charFormat, charFormatMask); |
|
711 } |
|
712 else if( !aName.CompareF( KUlTag ) ) |
|
713 { |
|
714 BeginListL( KUnorderedListContext ); |
|
715 } |
|
716 else if( !aName.CompareF( KOlTag ) ) |
|
717 { |
|
718 BeginListL( KOrderedListContext ); |
|
719 } |
|
720 else if ( !aName.CompareF( KLiTag ) ) |
|
721 { |
|
722 BeginListItemL(); |
|
723 BeginStyleL(); |
|
724 } |
|
725 } |
|
726 |
|
727 // --------------------------------------------------------- |
|
728 // CXhtmlParser::EndElementL |
|
729 // --------------------------------------------------------- |
|
730 // |
|
731 void CXhtmlParser::EndElementL( const TDesC& aName ) |
|
732 { |
|
733 if ( !aName.CompareF( KHtmlTag ) ) |
|
734 { |
|
735 ApplyStyleL(); |
|
736 |
|
737 // last line break to the end of the document |
|
738 iRichText->InsertL( iRichText->DocumentLength(), |
|
739 CRichText::ELineBreak ); |
|
740 } |
|
741 else if ( !aName.CompareF( KBodyTag ) ) |
|
742 { |
|
743 EndStyleL(); |
|
744 iParsingAllowed = EFalse; |
|
745 } |
|
746 else if ( !aName.CompareF( KATag ) ) |
|
747 { |
|
748 EndHyperLinkL( iRichText->DocumentLength() ); |
|
749 } |
|
750 else if ( !aName.CompareF( KDdTag ) ) |
|
751 { |
|
752 EndParagraphL(); |
|
753 iDefListLevel--; |
|
754 } |
|
755 else if ( !aName.CompareF( KDtTag ) ) |
|
756 { |
|
757 } |
|
758 else if ( !aName.CompareF( KDlTag ) ) |
|
759 { |
|
760 InsertLineBreak(); |
|
761 EndParagraphL(); |
|
762 } |
|
763 else if( !aName.CompareF( KSmallTag ) || !aName.CompareF( KBigTag ) ) |
|
764 { |
|
765 EndStyleL(); |
|
766 } |
|
767 else if ( !aName.CompareF( KBTag ) || !aName.CompareF( KStrongTag ) ) |
|
768 { |
|
769 EndStyleL(); |
|
770 } |
|
771 else if ( !aName.CompareF( KITag ) || !aName.CompareF( KEmTag ) || |
|
772 !aName.CompareF( KCiteTag ) || !aName.CompareF( KDfnTag ) || |
|
773 !aName.CompareF( KVarTag ) ) |
|
774 { |
|
775 EndStyleL(); |
|
776 } |
|
777 else if ( !aName.CompareF( KAddressTag ) ) |
|
778 { |
|
779 InsertLineBreak(); |
|
780 EndStyleL(); |
|
781 } |
|
782 else if ( !aName.CompareF( KKbdTag ) || !aName.CompareF( KCodeTag ) || |
|
783 !aName.CompareF( KSampTag ) ) |
|
784 { |
|
785 EndStyleL(); |
|
786 } |
|
787 else if ( !aName.CompareF( KBlockquoteTag ) ) |
|
788 { |
|
789 InsertLineBreak(); |
|
790 EndParagraphL(); |
|
791 iBlockQuoteLevel--; |
|
792 } |
|
793 else if ( !aName.CompareF( KPreTag ) ) |
|
794 { |
|
795 if ( iPreformatted > 0 ) |
|
796 { |
|
797 iPreformatted--; |
|
798 |
|
799 if ( iPreformatted == 0 ) |
|
800 { |
|
801 InsertLineBreak(); |
|
802 InsertLineBreak(); |
|
803 } |
|
804 } |
|
805 } |
|
806 else if ( !aName.CompareF( KPTag ) ) |
|
807 { |
|
808 InsertLineBreak(); |
|
809 EndParagraphL(); |
|
810 } |
|
811 else if ( !aName.CompareF( KDivTag ) ) |
|
812 { |
|
813 EndParagraphL(); |
|
814 } |
|
815 else if ( !aName.CompareF( KQTag ) ) |
|
816 { |
|
817 } |
|
818 else if ( !aName.CompareF( KH1Tag ) || !aName.CompareF( KH2Tag ) || |
|
819 !aName.CompareF( KH3Tag )|| !aName.CompareF( KH4Tag ) || |
|
820 !aName.CompareF( KH5Tag )|| !aName.CompareF( KH6Tag ) ) |
|
821 { |
|
822 EndStyleL(); |
|
823 InsertLineBreak(); |
|
824 EndParagraphL(); |
|
825 } |
|
826 else if ( !aName.CompareF( KLiTag ) ) |
|
827 { |
|
828 EndStyleL(); |
|
829 } |
|
830 else if ( !aName.CompareF( KUlTag ) || !aName.CompareF( KOlTag ) ) |
|
831 { |
|
832 EndListL(); |
|
833 } |
|
834 else if( !aName.CompareF( KHrTag ) ) |
|
835 { |
|
836 EndStyleL(); |
|
837 InsertLineBreak(); |
|
838 EndParagraphL(); |
|
839 } |
|
840 else if( !aName.CompareF( KBrTag ) ) |
|
841 { |
|
842 } |
|
843 |
|
844 // if alignment was changed and a new paragraph added, end this paragraph |
|
845 |
|
846 if ( iStackManager->StyleStack()->Top() && iStackManager->StyleStack()->Top()->iAlignmentChanged ) |
|
847 { |
|
848 EndParagraphL(); |
|
849 } |
|
850 EndStyleL(); // BeginStyleL has been called in PrepareForBeginElementL |
|
851 } |
|
852 |
|
853 // --------------------------------------------------------- |
|
854 // CXhtmlParser::BeginStyleL |
|
855 // --------------------------------------------------------- |
|
856 // |
|
857 void CXhtmlParser::BeginStyleL() |
|
858 { |
|
859 if ( iStackManager->StyleStack()->Top() ) |
|
860 { |
|
861 if ( iStylePos == KNoStylePosition ) |
|
862 { |
|
863 iStylePos = iStackManager->StyleStack()->Top()->iStyleStart; |
|
864 } |
|
865 } |
|
866 TXhtmlStyleInfo* style = new( ELeave ) |
|
867 TXhtmlStyleInfo( iRichText->DocumentLength(), iAlignment ); |
|
868 |
|
869 iStackManager->StyleStack()->PushL( style ); |
|
870 } |
|
871 |
|
872 // --------------------------------------------------------- |
|
873 // CXhtmlParser::EndStyleL |
|
874 // --------------------------------------------------------- |
|
875 // |
|
876 void CXhtmlParser::EndStyleL() |
|
877 { |
|
878 if ( iStackManager->StyleStack()->Top() ) |
|
879 { |
|
880 if ( iStylePos == KNoStylePosition ) |
|
881 { |
|
882 iStylePos = iStackManager->StyleStack()->Top()->iStyleStart; |
|
883 } |
|
884 if ( iStackManager->StyleStack()->Top()->iStyleChanged ) |
|
885 { |
|
886 ApplyStyleL(); |
|
887 iStylePos = KNoStylePosition; |
|
888 iCurrentCharLayer = CleanCharLayer(); |
|
889 } |
|
890 iAlignment = iStackManager->StyleStack()->Top()->iPrevAlign; |
|
891 } |
|
892 |
|
893 iStackManager->StyleStack()->Pop(); |
|
894 |
|
895 if ( iStackManager->StyleStack()->Top() ) |
|
896 { |
|
897 iStackManager->StyleStack()->Top()->iStyleStart = iRichText->DocumentLength(); |
|
898 } |
|
899 } |
|
900 |
|
901 // --------------------------------------------------------- |
|
902 // CXhtmlParser::ChangeCurrentStyleL |
|
903 // --------------------------------------------------------- |
|
904 // |
|
905 void CXhtmlParser::ChangeCurrentStyleL(TCharFormat charFormat, |
|
906 TCharFormatMask charFormatMask) |
|
907 { |
|
908 ApplyStyleL(); |
|
909 iStylePos = KNoStylePosition; |
|
910 |
|
911 if ( iStackManager->StyleStack()->Top() ) |
|
912 { |
|
913 iStackManager->StyleStack()->Top()->iStyleChanged = ETrue; |
|
914 } |
|
915 |
|
916 CCharFormatLayer* cfl = |
|
917 CCharFormatLayer::NewL( charFormat, charFormatMask ); |
|
918 cfl->SetBase( iCurrentCharLayer ); |
|
919 iCurrentCharLayer = cfl; |
|
920 } |
|
921 |
|
922 // --------------------------------------------------------- |
|
923 // CXhtmlParser::ApplyStyle |
|
924 // --------------------------------------------------------- |
|
925 // |
|
926 void CXhtmlParser::ApplyStyleL() |
|
927 { |
|
928 if ( iStylePos != KNoStylePosition && ( iRichText->DocumentLength() - iStylePos > 0 ) ) |
|
929 { |
|
930 TCharFormat charFormat; |
|
931 TCharFormatMask charFormatMask; |
|
932 |
|
933 iCurrentCharLayer->SenseEffective( charFormat ); |
|
934 charFormatMask.SetAll(); |
|
935 |
|
936 if ( !iPlainText ) |
|
937 { |
|
938 iRichText->ApplyCharFormatL( charFormat, charFormatMask, |
|
939 iStylePos, iRichText->DocumentLength() - iStylePos ); |
|
940 } |
|
941 |
|
942 } |
|
943 } |
|
944 |
|
945 // --------------------------------------------------------- |
|
946 // CXhtmlParser::BeginParagraphL |
|
947 // --------------------------------------------------------- |
|
948 // |
|
949 void CXhtmlParser::BeginParagraphL( CParaFormat::TAlignment aAlignment ) |
|
950 { |
|
951 if ( iStackManager->ParaStack()->Top() ) |
|
952 { |
|
953 ApplyParagraphL( iStackManager->ParaStack()->Top()->iParaStart, |
|
954 iStackManager->ParaStack()->Top()->iAlignment ); |
|
955 } |
|
956 if ( iFirstTextLineAdded ) |
|
957 { |
|
958 AppendParagraphL( iPlainText ); |
|
959 } |
|
960 else |
|
961 { |
|
962 iNewParagraph = ETrue; |
|
963 } |
|
964 TXhtmlParaInfo* info = new( ELeave ) TXhtmlParaInfo( iRichText->DocumentLength(), aAlignment ); |
|
965 iStackManager->ParaStack()->PushL( info ); |
|
966 } |
|
967 |
|
968 // --------------------------------------------------------- |
|
969 // CXhtmlParser::EndParagraphL |
|
970 // --------------------------------------------------------- |
|
971 // |
|
972 void CXhtmlParser::EndParagraphL() |
|
973 { |
|
974 if (iStackManager->ParaStack()->Top()) |
|
975 { |
|
976 ApplyParagraphL( iStackManager->ParaStack()->Top()->iParaStart, |
|
977 iStackManager->ParaStack()->Top()->iAlignment ); |
|
978 |
|
979 if ( iFirstTextLineAdded ) |
|
980 { |
|
981 AppendParagraphL( iPlainText ); |
|
982 } |
|
983 else |
|
984 { |
|
985 iNewParagraph = ETrue; |
|
986 } |
|
987 } |
|
988 |
|
989 iStackManager->ParaStack()->Pop(); |
|
990 |
|
991 if ( iStackManager->ParaStack()->Top() ) |
|
992 { |
|
993 iStackManager->ParaStack()->Top()->iParaStart = iRichText->DocumentLength(); |
|
994 } |
|
995 } |
|
996 |
|
997 // --------------------------------------------------------- |
|
998 // CXhtmlParser::ApplyParagraphL |
|
999 // --------------------------------------------------------- |
|
1000 // |
|
1001 void CXhtmlParser::ApplyParagraphL( TInt aParaStart, |
|
1002 CParaFormat::TAlignment aAlignment ) |
|
1003 { |
|
1004 TInt docLength = iRichText->DocumentLength(); |
|
1005 TInt paraLength = docLength - aParaStart; |
|
1006 |
|
1007 if ( paraLength > 0 ) |
|
1008 { |
|
1009 CParaFormat* paraFormat = CParaFormat::NewL(); |
|
1010 CleanupStack::PushL( paraFormat ); |
|
1011 TParaFormatMask paraFormatMask = TParaFormatMask(); |
|
1012 |
|
1013 if ( aAlignment != CParaFormat::EUnspecifiedAlign ) |
|
1014 { |
|
1015 paraFormatMask.SetAttrib( EAttAlignment ); |
|
1016 paraFormat->iHorizontalAlignment = aAlignment; |
|
1017 } |
|
1018 |
|
1019 CGraphicsDevice* screenDevice = CCoeEnv::Static()->ScreenDevice(); |
|
1020 |
|
1021 TInt indentWidthInTwips = iIndentWidth * screenDevice->HorizontalPixelsToTwips( |
|
1022 iXhtmlFontSpecs->DefaultFont()->CharWidthInPixels( TChar(' ') ) ); |
|
1023 |
|
1024 // check limits |
|
1025 |
|
1026 TInt leftLevel = |
|
1027 ( ( iStackManager->ListStack()->Count() + iDefListLevel + iBlockQuoteLevel ) < iMaxListLevels ) |
|
1028 ? ( iStackManager->ListStack()->Count() + iDefListLevel + iBlockQuoteLevel ) : iMaxListLevels; |
|
1029 |
|
1030 TInt rightLevel = ( iBlockQuoteLevel < iMaxListLevels ) ? iBlockQuoteLevel : iMaxListLevels; |
|
1031 |
|
1032 // set indents |
|
1033 |
|
1034 paraFormat->iLeftMarginInTwips = leftLevel * indentWidthInTwips; |
|
1035 paraFormat->iRightMarginInTwips = rightLevel * indentWidthInTwips; |
|
1036 |
|
1037 paraFormatMask.SetAttrib( EAttLeftMargin ); |
|
1038 paraFormatMask.SetAttrib( EAttRightMargin ); |
|
1039 |
|
1040 if (!iPlainText) |
|
1041 { |
|
1042 iRichText->ApplyParaFormatL( paraFormat, paraFormatMask, aParaStart, |
|
1043 paraLength ); |
|
1044 |
|
1045 } |
|
1046 CleanupStack::PopAndDestroy( paraFormat ); |
|
1047 } |
|
1048 } |
|
1049 |
|
1050 // --------------------------------------------------------- |
|
1051 // CXhtmlParser::BeginListL |
|
1052 // --------------------------------------------------------- |
|
1053 // |
|
1054 void CXhtmlParser::BeginListL(TInt aListContext) |
|
1055 { |
|
1056 if ( iStackManager->ListStack()->Count() == 0 && iDefListLevel == 0) |
|
1057 { |
|
1058 InsertLineBreak(); |
|
1059 } |
|
1060 BeginParagraphL( iAlignment ); |
|
1061 |
|
1062 TXhtmlListInfo* info = new( ELeave ) TXhtmlListInfo( iCurrentListContext ); |
|
1063 iStackManager->ListStack()->PushL( info ); |
|
1064 |
|
1065 iCurrentListContext = aListContext; |
|
1066 } |
|
1067 |
|
1068 // --------------------------------------------------------- |
|
1069 // CXhtmlParser::EndList |
|
1070 // --------------------------------------------------------- |
|
1071 // |
|
1072 void CXhtmlParser::EndListL() |
|
1073 { |
|
1074 if ( ( iStackManager->ListStack()->Count() + iDefListLevel ) <= 1 ) |
|
1075 { |
|
1076 InsertLineBreak(); |
|
1077 } |
|
1078 EndParagraphL(); |
|
1079 |
|
1080 if (iStackManager->ListStack()->Top()) |
|
1081 { |
|
1082 iCurrentListContext = iStackManager->ListStack()->Top()->iListContext; |
|
1083 } |
|
1084 iStackManager->ListStack()->Pop(); |
|
1085 } |
|
1086 |
|
1087 // --------------------------------------------------------- |
|
1088 // CXhtmlParser::BeginListItemL |
|
1089 // --------------------------------------------------------- |
|
1090 // |
|
1091 void CXhtmlParser::BeginListItemL() |
|
1092 { |
|
1093 TXhtmlListInfo *info = iStackManager->ListStack()->Top(); |
|
1094 if ( !info ) |
|
1095 { |
|
1096 return; |
|
1097 } |
|
1098 |
|
1099 if ( ( info->iListIndex > 0 ) && ( iNewLines == 0 ) && ( iForcedNewLines == 0 ) ) |
|
1100 { |
|
1101 iRichText->InsertL( iRichText->DocumentLength(), |
|
1102 CRichText::EParagraphDelimiter ); |
|
1103 } |
|
1104 |
|
1105 info->iListIndex++; |
|
1106 |
|
1107 if ( iCurrentListContext == KOrderedListContext ) |
|
1108 { |
|
1109 TBuf16<16> prefix; |
|
1110 prefix.Format( KListNumberFormat, info->iListIndex ); |
|
1111 |
|
1112 HBufC* tmpString = prefix.AllocLC(); |
|
1113 |
|
1114 TPtrC result; |
|
1115 DoNumberConversion( tmpString, result ); |
|
1116 |
|
1117 InsertTextL( result ); |
|
1118 CleanupStack::PopAndDestroy( tmpString ); |
|
1119 } |
|
1120 else |
|
1121 { |
|
1122 if ( iPlainText ) |
|
1123 { |
|
1124 TInt bullet = ( iStackManager->ListStack()->Count() % 2 ) ? KPlainBullet : KPlainBullet2 ; |
|
1125 InsertCharacterL( TChar( bullet ) ); |
|
1126 } |
|
1127 else |
|
1128 { |
|
1129 TInt bullet = ( iStackManager->ListStack()->Count() % 2 ) ? KListBullet : KListBullet2 ; |
|
1130 InsertCharacterL( TChar( bullet) ); |
|
1131 } |
|
1132 } |
|
1133 } |
|
1134 |
|
1135 // --------------------------------------------------------- |
|
1136 // CXhtmlParser::BeginHyperLinkL |
|
1137 // --------------------------------------------------------- |
|
1138 // |
|
1139 void CXhtmlParser::BeginHyperLink( TInt aBeginPosition ) |
|
1140 { |
|
1141 XHTMLLOG_WRITE( "BeginHyperLinkL" ); |
|
1142 |
|
1143 delete iHyperLinkAddress; |
|
1144 iHyperLinkAddress = NULL; |
|
1145 |
|
1146 iHyperLinkPos = aBeginPosition; |
|
1147 } |
|
1148 |
|
1149 // --------------------------------------------------------- |
|
1150 // CXhtmlParser::EndHyperLinkL |
|
1151 // --------------------------------------------------------- |
|
1152 // |
|
1153 void CXhtmlParser::EndHyperLinkL( TInt aEndPosition ) |
|
1154 { |
|
1155 XHTMLLOG_WRITE( "EndHyperLinkL"); |
|
1156 |
|
1157 if ( iHyperLinkAddress ) |
|
1158 { |
|
1159 CXhtmlHyperLink* hpLink = new (ELeave) CXhtmlHyperLink( iHyperLinkPos, |
|
1160 aEndPosition - 1 ); |
|
1161 |
|
1162 TPtrC addrPtr = iHyperLinkAddress->Des(); |
|
1163 hpLink->SetAddressL(addrPtr); |
|
1164 |
|
1165 delete iHyperLinkAddress; |
|
1166 iHyperLinkAddress = NULL; |
|
1167 |
|
1168 iHyperLinkArray->InsertL( iHyperLinkArray->Count(), hpLink ); |
|
1169 |
|
1170 if ( iShowUrls ) |
|
1171 { |
|
1172 InsertCharacterL( TChar(' ') ); |
|
1173 InsertCharacterL( TChar('(') ); |
|
1174 InsertTextL( hpLink->Address()->Des() ); |
|
1175 InsertCharacterL( TChar(')') ); |
|
1176 } |
|
1177 } |
|
1178 } |
|
1179 |
|
1180 // --------------------------------------------------------- |
|
1181 // CXhtmlParser::ContentL |
|
1182 // --------------------------------------------------------- |
|
1183 // |
|
1184 void CXhtmlParser::ContentL( const TDesC& aData ) |
|
1185 { |
|
1186 if ( !iParsingAllowed ) |
|
1187 { |
|
1188 return; |
|
1189 } |
|
1190 |
|
1191 HBufC16* buffer = aData.Alloc(); |
|
1192 CleanupStack::PushL( buffer ); |
|
1193 |
|
1194 TPtr16 bufferPtr = buffer->Des(); |
|
1195 |
|
1196 if( iPreformatted > 0 ) |
|
1197 { |
|
1198 // XHTML parsing, pre tag specified (preformatted text) |
|
1199 |
|
1200 TInt offset = 0; |
|
1201 TInt poffset = 0; |
|
1202 |
|
1203 TChar LF( 0x0A ); |
|
1204 TChar CR( 0x0D ); |
|
1205 |
|
1206 if( bufferPtr.Locate( LF ) > 0 || bufferPtr.Locate( CR ) > 0 ) |
|
1207 { |
|
1208 while( offset < bufferPtr.Length() ) |
|
1209 { |
|
1210 TPtrC16 theRest = bufferPtr.Mid( offset ); |
|
1211 |
|
1212 poffset = theRest.Locate( CR ); |
|
1213 |
|
1214 if( poffset != KErrNotFound ) |
|
1215 { |
|
1216 TPtrC16 first = theRest.Mid( 0, poffset ); |
|
1217 InsertTextL( first ); |
|
1218 |
|
1219 iRichText->InsertL( iRichText->DocumentLength(), |
|
1220 CRichText::ELineBreak ); |
|
1221 |
|
1222 offset = offset + poffset + 1; |
|
1223 |
|
1224 // if next character is LF, add offset by one |
|
1225 |
|
1226 if ( theRest.Locate( LF ) == poffset + 1) |
|
1227 { |
|
1228 offset++; |
|
1229 } |
|
1230 } |
|
1231 else |
|
1232 { |
|
1233 poffset = theRest.Locate( LF ); |
|
1234 |
|
1235 if( poffset != KErrNotFound ) |
|
1236 { |
|
1237 TPtrC16 first = theRest.Mid( 0, poffset ); |
|
1238 InsertTextL( first ); |
|
1239 |
|
1240 iRichText->InsertL( iRichText->DocumentLength(), |
|
1241 CRichText::ELineBreak ); |
|
1242 |
|
1243 offset = offset + poffset + 1; |
|
1244 } |
|
1245 else |
|
1246 { |
|
1247 InsertTextL( theRest ); |
|
1248 break; |
|
1249 } |
|
1250 } |
|
1251 } // while |
|
1252 } |
|
1253 else |
|
1254 { |
|
1255 // no newline(s) found, insert text as such |
|
1256 InsertTextL( bufferPtr ); |
|
1257 } |
|
1258 } |
|
1259 else |
|
1260 { |
|
1261 // XHTML parsing, pre tag not specified (extra whitespaces removed) |
|
1262 CollapseWhiteSpaces( bufferPtr ); |
|
1263 |
|
1264 if (bufferPtr.Length() > 0) |
|
1265 { |
|
1266 InsertTextL( bufferPtr ); |
|
1267 } |
|
1268 } |
|
1269 CleanupStack::PopAndDestroy( buffer ); |
|
1270 } |
|
1271 |
|
1272 // --------------------------------------------------------- |
|
1273 // CXhtmlParser::CollapseWhiteSpaces |
|
1274 // |
|
1275 // Function processes the whole text and converts any |
|
1276 // found sequence of white spaces into single space. |
|
1277 // --------------------------------------------------------- |
|
1278 // |
|
1279 void CXhtmlParser::CollapseWhiteSpaces( TDes& aData ) |
|
1280 { |
|
1281 TInt whiteSpaces( 0 ); |
|
1282 TInt currentPos( 0 ); |
|
1283 |
|
1284 while( currentPos < aData.Length() ) |
|
1285 { |
|
1286 if( aData[currentPos] == CEditableText::ESpace || |
|
1287 aData[currentPos] == KZeroWidthSpace || |
|
1288 ( aData[currentPos] >= 0x0009 && aData[currentPos] <= 0x000d ) ) |
|
1289 { |
|
1290 whiteSpaces++; |
|
1291 } |
|
1292 else if( whiteSpaces > 0 ) |
|
1293 { |
|
1294 currentPos = currentPos - whiteSpaces; |
|
1295 |
|
1296 if (iSkipWhiteSpaces) |
|
1297 { |
|
1298 aData.Delete( currentPos, whiteSpaces ); |
|
1299 iSkipWhiteSpaces = EFalse; |
|
1300 } |
|
1301 else |
|
1302 { |
|
1303 aData.Replace( currentPos, whiteSpaces, KWhiteSpace ); |
|
1304 } |
|
1305 whiteSpaces = 0; |
|
1306 } |
|
1307 else |
|
1308 { |
|
1309 // no whitespaces at the beginning |
|
1310 iSkipWhiteSpaces = EFalse; |
|
1311 } |
|
1312 currentPos++; |
|
1313 } |
|
1314 |
|
1315 if( whiteSpaces > 0 ) |
|
1316 { |
|
1317 if (iSkipWhiteSpaces) |
|
1318 { |
|
1319 aData.Delete( currentPos - whiteSpaces, whiteSpaces ); |
|
1320 } |
|
1321 else |
|
1322 { |
|
1323 aData.Replace( currentPos - whiteSpaces, whiteSpaces, KWhiteSpace ); |
|
1324 } |
|
1325 } |
|
1326 } |
|
1327 |
|
1328 // --------------------------------------------------------- |
|
1329 // CXhtmlParser::AttributeValueL |
|
1330 // --------------------------------------------------------- |
|
1331 // |
|
1332 void CXhtmlParser::AttributeValueL( const TDesC& aName, const TDesC& aValue ) |
|
1333 { |
|
1334 CParaFormat::TAlignment alignment = iAlignment; |
|
1335 |
|
1336 if( !aName.CompareF( KHrefAttr ) ) |
|
1337 { |
|
1338 SetReferenceL( aValue ); |
|
1339 } |
|
1340 if( !aName.CompareF( KStyleAttr ) ) |
|
1341 { |
|
1342 TRgb colorValue = 0; |
|
1343 TBool colorAttr = EFalse; |
|
1344 TBool underlineAttr = EFalse; |
|
1345 |
|
1346 TInt offset = 0; |
|
1347 TInt poffset = 0; |
|
1348 |
|
1349 HBufC16* buffer = aValue.AllocLC(); |
|
1350 |
|
1351 TPtr16 bufferPtr = buffer->Des(); |
|
1352 |
|
1353 RemoveAllSpace( bufferPtr ); |
|
1354 |
|
1355 TPtrC nameStyle; |
|
1356 TPtrC valueStyle; |
|
1357 TBool transparent = EFalse; |
|
1358 |
|
1359 while( offset < bufferPtr.Length() ) |
|
1360 { |
|
1361 TPtrC16 theRest = bufferPtr.Mid( offset ); |
|
1362 poffset = theRest.Locate( TChar( KSemicolon ) ); |
|
1363 |
|
1364 if( poffset != KErrNotFound ) |
|
1365 { |
|
1366 TPtrC16 first = theRest.Mid( 0, poffset ); |
|
1367 SplitAttribute( first, nameStyle, valueStyle ); |
|
1368 offset = offset + poffset + 1; |
|
1369 } |
|
1370 else |
|
1371 { |
|
1372 SplitAttribute( theRest, nameStyle, valueStyle ); |
|
1373 offset = bufferPtr.Length(); |
|
1374 } |
|
1375 |
|
1376 if( !nameStyle.CompareF( KColorAttr ) ) |
|
1377 { |
|
1378 colorValue = ParseColor( valueStyle, transparent ); |
|
1379 colorAttr = ETrue; |
|
1380 } |
|
1381 |
|
1382 if ( !nameStyle.CompareF( KTextDecorationAttr ) && |
|
1383 !valueStyle.CompareF( KUnderlineAttr ) ) |
|
1384 { |
|
1385 underlineAttr = ETrue; |
|
1386 } |
|
1387 |
|
1388 if( !nameStyle.CompareF( KTextAlignAttr ) ) |
|
1389 { |
|
1390 //left |
|
1391 if ( !valueStyle.CompareF( KLeftAttr ) ) |
|
1392 { |
|
1393 //set the align-value and use it in the paragraph-tag if set |
|
1394 iAlignment = CParaFormat::ELeftAlign; |
|
1395 } |
|
1396 //center |
|
1397 else if( !valueStyle.CompareF( KCenterAttr ) ) |
|
1398 { |
|
1399 iAlignment = CParaFormat::ECenterAlign; |
|
1400 } |
|
1401 |
|
1402 //right |
|
1403 else if( !valueStyle.CompareF( KRightAttr ) ) |
|
1404 { |
|
1405 iAlignment = CParaFormat::ERightAlign; |
|
1406 } |
|
1407 |
|
1408 //justified |
|
1409 else if( !valueStyle.CompareF( KJustifyAttr ) ) |
|
1410 { |
|
1411 iAlignment = CParaFormat::EJustifiedAlign; |
|
1412 } |
|
1413 } |
|
1414 } |
|
1415 |
|
1416 CleanupStack::PopAndDestroy( buffer ); |
|
1417 |
|
1418 TCharFormat charFormat; |
|
1419 TCharFormatMask charFormatMask; |
|
1420 |
|
1421 if( colorAttr ) |
|
1422 { |
|
1423 charFormatMask.SetAttrib( EAttColor ); |
|
1424 charFormat.iFontPresentation.iTextColor = colorValue; |
|
1425 } |
|
1426 if ( underlineAttr ) |
|
1427 { |
|
1428 charFormatMask.SetAttrib( EAttFontUnderline ); |
|
1429 charFormat.iFontPresentation.iUnderline = EUnderlineOn; |
|
1430 } |
|
1431 ChangeCurrentStyleL(charFormat, charFormatMask); |
|
1432 } |
|
1433 |
|
1434 if( !aName.CompareF( KColorAttr ) ) |
|
1435 { |
|
1436 TBool transparent = EFalse; |
|
1437 TRgb color = ParseColor( aValue, transparent ); |
|
1438 |
|
1439 TCharFormat charFormat; |
|
1440 TCharFormatMask charFormatMask; |
|
1441 |
|
1442 charFormatMask.SetAttrib( EAttColor ); |
|
1443 charFormat.iFontPresentation.iTextColor = color; |
|
1444 ChangeCurrentStyleL(charFormat, charFormatMask); |
|
1445 } |
|
1446 else if( !aName.CompareF( KAltAttr ) ) |
|
1447 { |
|
1448 if( aValue.Length() > 0 && iImageFound) |
|
1449 { |
|
1450 InsertTextL( aValue ); |
|
1451 } |
|
1452 } |
|
1453 if ( alignment != iAlignment ) |
|
1454 { |
|
1455 iAlignmentChanged = ETrue; |
|
1456 } |
|
1457 } |
|
1458 |
|
1459 // --------------------------------------------------------- |
|
1460 // CXhtmlParser::SetReferenceL() |
|
1461 // --------------------------------------------------------- |
|
1462 // |
|
1463 void CXhtmlParser::SetReferenceL( const TDesC& aUrl ) |
|
1464 { |
|
1465 delete iHyperLinkAddress; |
|
1466 iHyperLinkAddress = NULL; |
|
1467 |
|
1468 iHyperLinkAddress = HBufC::NewL( aUrl.Length() ); |
|
1469 TPtr ptr = iHyperLinkAddress->Des(); |
|
1470 ptr = aUrl; |
|
1471 } |
|
1472 |
|
1473 // --------------------------------------------------------- |
|
1474 // CXhtmlParser::RemoveAllSpace |
|
1475 // --------------------------------------------------------- |
|
1476 // |
|
1477 void CXhtmlParser::RemoveAllSpace( TDes& aString ) |
|
1478 { |
|
1479 const TChar KSpace = TChar( ' ' ); |
|
1480 for( TInt offset = aString.Locate( KSpace ); offset != KErrNotFound; |
|
1481 offset = aString.Locate( KSpace ) ) |
|
1482 { |
|
1483 aString.Delete( offset, 1 ); |
|
1484 } |
|
1485 } |
|
1486 |
|
1487 // --------------------------------------------------------- |
|
1488 // CXhtmlParser::SplitAttribute |
|
1489 // --------------------------------------------------------- |
|
1490 // |
|
1491 void CXhtmlParser::SplitAttribute( TPtrC& aString, TPtrC& aAttributeName, |
|
1492 TPtrC& aAttributeValue ) |
|
1493 { |
|
1494 TInt offset = 0; |
|
1495 TInt poffset = 0; |
|
1496 TInt start = 0; |
|
1497 |
|
1498 if( aString.Locate( TChar( KColon ) ) > 0 ) |
|
1499 { |
|
1500 while( offset < aString.Length() ) |
|
1501 { |
|
1502 TPtrC16 theRest = aString.Mid( offset ); |
|
1503 poffset = theRest.Locate( TChar ( KColon ) ); |
|
1504 |
|
1505 if( poffset != KErrNotFound ) |
|
1506 { |
|
1507 aAttributeName.Set( theRest.Mid( start, poffset ) ); |
|
1508 aAttributeValue.Set( theRest.Mid( poffset + 1 ) ); |
|
1509 return; |
|
1510 } |
|
1511 } |
|
1512 } |
|
1513 } |
|
1514 |
|
1515 // --------------------------------------------------------- |
|
1516 // CXhtmlParser::ParseColor |
|
1517 // --------------------------------------------------------- |
|
1518 // |
|
1519 TRgb CXhtmlParser::ParseColor( const TDesC& aString, TBool& aTransparent ) |
|
1520 { |
|
1521 aTransparent = ETrue; |
|
1522 TRgb res = 0; |
|
1523 if ( aString.Length()>1 ) |
|
1524 { |
|
1525 TUint32 val = 0; |
|
1526 if( aString[0] == '#' ) |
|
1527 { |
|
1528 TLex lexer ( aString.Mid( 1 ) ); |
|
1529 if( lexer.Val( val, EHex, KWhiteColorCode )==KErrNone ) |
|
1530 { |
|
1531 res = TRgb ((val&KBlueColorCode)>>16, |
|
1532 (val&KLimeColorCode)>>8, (val&KRedColorCode)); |
|
1533 aTransparent = EFalse; |
|
1534 } |
|
1535 } |
|
1536 else if ( aString == KTransparentVal ) |
|
1537 { |
|
1538 aTransparent = ETrue; |
|
1539 } |
|
1540 else |
|
1541 { |
|
1542 for( TInt n = 0; KColorNames[n]; n++ ) |
|
1543 { |
|
1544 |
|
1545 if ( !aString.CompareF( TPtrC(KColorNames[n]) ) ) |
|
1546 { |
|
1547 res = KColorValues[n]; |
|
1548 |
|
1549 aTransparent = EFalse; |
|
1550 break; |
|
1551 } |
|
1552 } |
|
1553 } |
|
1554 } |
|
1555 return res; |
|
1556 } |
|
1557 |
|
1558 // --------------------------------------------------------- |
|
1559 // CXhtmlParser::CdataL |
|
1560 // --------------------------------------------------------- |
|
1561 // |
|
1562 void CXhtmlParser::CdataL( const TDesC& aData ) |
|
1563 { |
|
1564 if ( iParsingAllowed ) |
|
1565 { |
|
1566 InsertTextL( aData ); |
|
1567 } |
|
1568 } |
|
1569 |
|
1570 // --------------------------------------------------------- |
|
1571 // CXhtmlParser::CleanCharLayer |
|
1572 // --------------------------------------------------------- |
|
1573 // |
|
1574 CCharFormatLayer* CXhtmlParser::CleanCharLayer() |
|
1575 { |
|
1576 CCharFormatLayer* cfl = iCurrentCharLayer; |
|
1577 const CCharFormatLayer* layer = static_cast<const CCharFormatLayer*>( cfl->SenseBase() ); |
|
1578 iCurrentCharLayer = const_cast<CCharFormatLayer*>( layer ); |
|
1579 |
|
1580 cfl->Reset(); |
|
1581 delete cfl; |
|
1582 return iCurrentCharLayer; |
|
1583 } |
|
1584 |
|
1585 // --------------------------------------------------------- |
|
1586 // Convert between arabic-indic digits and european digits based on existing language setting. |
|
1587 // So it'll convert any digit from the string |
|
1588 // to use either european digits or arabic-indic digits based on current settings. |
|
1589 // @param aFieldString: Data buffer used in conversion. |
|
1590 // @param aFieldData: Return converted data in this parameter. |
|
1591 // --------------------------------------------------------- |
|
1592 // |
|
1593 void CXhtmlParser::DoNumberConversion( HBufC* aFieldString, TPtrC& aFieldData ) const |
|
1594 { |
|
1595 if( aFieldString ) |
|
1596 { |
|
1597 TPtr tmpPtr = aFieldString->Des(); |
|
1598 if ( tmpPtr.Length() > 0 ) |
|
1599 { |
|
1600 AknTextUtils::DisplayTextLanguageSpecificNumberConversion( tmpPtr ); |
|
1601 } |
|
1602 aFieldData.Set( tmpPtr ); |
|
1603 } |
|
1604 else |
|
1605 { |
|
1606 aFieldData.Set(KNullString); |
|
1607 } |
|
1608 } |
|
1609 |
|
1610 // --------------------------------------------------------- |
|
1611 // CXhtmlParser::ResetValuesL |
|
1612 // --------------------------------------------------------- |
|
1613 // |
|
1614 void CXhtmlParser::ResetValues() |
|
1615 { |
|
1616 iParsingAllowed = EFalse; |
|
1617 iPreformatted = 0; |
|
1618 iAlignment = CParaFormat::ELeftAlign; |
|
1619 iStylePos = KNoStylePosition; |
|
1620 iNewParagraph = EFalse; |
|
1621 iNewLines = 0; |
|
1622 iForcedNewLines = 0; |
|
1623 iSkipWhiteSpaces = ETrue; |
|
1624 iAlignmentChanged = EFalse; |
|
1625 iImageFound = EFalse; |
|
1626 iFirstTextLineAdded = EFalse; |
|
1627 iCurrentListContext = KNoListContext; |
|
1628 iDefListLevel = 0; |
|
1629 iBlockQuoteLevel = 0; |
|
1630 iHyperLinkPos = 0; |
|
1631 iHyperLinkArray->ResetAndDestroy(); |
|
1632 } |
|
1633 |
|
1634 // --------------------------------------------------------- |
|
1635 // CXhtmlParser::InsertTextL |
|
1636 // --------------------------------------------------------- |
|
1637 // |
|
1638 void CXhtmlParser::InsertTextL( const TDesC& aText ) |
|
1639 { |
|
1640 #ifdef USE_LOGGER |
|
1641 XHTMLLOG_WRITE( "InsertTextL" ); |
|
1642 HBufC* buf = HBufC::NewL( aText.Length() +4 ); |
|
1643 buf->Des().Append(_L("[")); |
|
1644 buf->Des().Append(aText); |
|
1645 buf->Des().Append(_L("]")); |
|
1646 XHTMLLOG_WRITEF( _L("%S"), buf ); |
|
1647 delete buf; |
|
1648 #endif |
|
1649 |
|
1650 TInt maxLines = ( iNewLines > iForcedNewLines ) ? iNewLines : iForcedNewLines; |
|
1651 |
|
1652 if ( !iFirstTextLineAdded ) |
|
1653 { |
|
1654 maxLines = iForcedNewLines; |
|
1655 } |
|
1656 |
|
1657 if ( iNewParagraph ) |
|
1658 { |
|
1659 maxLines--; |
|
1660 } |
|
1661 |
|
1662 for ( TInt i = 0; i < maxLines; i++ ) |
|
1663 { |
|
1664 iRichText->InsertL( iRichText->DocumentLength(), |
|
1665 CRichText::ELineBreak ); |
|
1666 } |
|
1667 iRichText->InsertL( iRichText->DocumentLength(), aText ); |
|
1668 |
|
1669 iNewParagraph = EFalse; |
|
1670 iNewLines = 0; |
|
1671 iForcedNewLines = 0; |
|
1672 |
|
1673 iFirstTextLineAdded = ETrue; |
|
1674 } |
|
1675 |
|
1676 // --------------------------------------------------------- |
|
1677 // CXhtmlParser::InsertCharacterL |
|
1678 // --------------------------------------------------------- |
|
1679 // |
|
1680 void CXhtmlParser::InsertCharacterL( const TChar aText ) |
|
1681 { |
|
1682 #ifdef USE_LOGGER |
|
1683 XHTMLLOG_WRITE( "InsertCharacterL" ); |
|
1684 |
|
1685 TBuf<2048> b; |
|
1686 b.Append(_L("[")); |
|
1687 b.Append(aText); |
|
1688 b.Append(_L("]")); |
|
1689 XHTMLLOG_WRITEF( b ); |
|
1690 #endif |
|
1691 |
|
1692 TInt maxLines = ( iNewLines > iForcedNewLines ) ? iNewLines : iForcedNewLines; |
|
1693 |
|
1694 if ( !iFirstTextLineAdded ) |
|
1695 { |
|
1696 maxLines = iForcedNewLines; |
|
1697 } |
|
1698 |
|
1699 if ( iNewParagraph ) |
|
1700 { |
|
1701 maxLines--; |
|
1702 } |
|
1703 |
|
1704 for ( TInt i = 0; i < maxLines; i++ ) |
|
1705 { |
|
1706 iRichText->InsertL( iRichText->DocumentLength(), |
|
1707 CRichText::ELineBreak ); |
|
1708 } |
|
1709 iRichText->InsertL( iRichText->DocumentLength(), aText ); |
|
1710 |
|
1711 iNewParagraph = EFalse; |
|
1712 iNewLines = 0; |
|
1713 iForcedNewLines = 0; |
|
1714 |
|
1715 iFirstTextLineAdded = ETrue; |
|
1716 } |
|
1717 |
|
1718 // --------------------------------------------------------- |
|
1719 // CXhtmlParser::AppendParagraphL |
|
1720 // --------------------------------------------------------- |
|
1721 // |
|
1722 void CXhtmlParser::AppendParagraphL( TBool aPlainText ) |
|
1723 { |
|
1724 XHTMLLOG_WRITE( "AppendParagraphL" ); |
|
1725 |
|
1726 iSkipWhiteSpaces = ETrue; |
|
1727 |
|
1728 if ( !iNewParagraph ) |
|
1729 { |
|
1730 |
|
1731 if ( aPlainText ) |
|
1732 { |
|
1733 iRichText->InsertL( iRichText->DocumentLength(), |
|
1734 CRichText::ELineBreak ); |
|
1735 } |
|
1736 else |
|
1737 { |
|
1738 iRichText->AppendParagraphL(); |
|
1739 } |
|
1740 |
|
1741 iNewParagraph = ETrue; |
|
1742 |
|
1743 if ( iNewLines < 2 ) |
|
1744 { |
|
1745 iNewLines++; |
|
1746 } |
|
1747 } |
|
1748 } |
|
1749 |
|
1750 // --------------------------------------------------------- |
|
1751 // CXhtmlParser::InsertLineBreakL |
|
1752 // --------------------------------------------------------- |
|
1753 // |
|
1754 void CXhtmlParser::InsertLineBreak() |
|
1755 { |
|
1756 XHTMLLOG_WRITE( "InsertLineBreakL" ); |
|
1757 |
|
1758 iSkipWhiteSpaces = ETrue; |
|
1759 if ( iNewLines < 2 ) |
|
1760 { |
|
1761 iNewLines++; |
|
1762 } |
|
1763 } |
|
1764 |
|
1765 // --------------------------------------------------------- |
|
1766 // CXhtmlParser::InsertForcedLineBreakL |
|
1767 // --------------------------------------------------------- |
|
1768 // |
|
1769 void CXhtmlParser::InsertForcedLineBreak() |
|
1770 { |
|
1771 XHTMLLOG_WRITE( "InsertForcedLineBreakL" ); |
|
1772 |
|
1773 iSkipWhiteSpaces = ETrue; |
|
1774 iForcedNewLines++; |
|
1775 } |