1 cdtdmodel.h |
1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // contains the parser specialisation (BNF grammar) for a DTD parser. |
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15 // See CBNFParser for function details |
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16 // |
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17 // |
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18 |
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19 #ifndef __CDTDMODEL_H__ |
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20 #define __CDTDMODEL_H__ |
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21 |
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22 #include <cbnfnode.h> |
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23 #include <cbnfparser.h> |
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24 #include <crulemarkedstack.h> |
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25 |
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26 //##ModelId=3B666BCB001C |
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27 |
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28 |
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29 |
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30 class CDTDModel : public CBNFParser |
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31 /** Creates a tree that represents a specified DTD. |
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32 |
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33 To use it: |
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34 |
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35 1. call the base class function ProcessDataL() with the filename of the DTD, and call CommitL() |
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36 |
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37 2. call GeneratedTree() to get the tree |
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38 |
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39 @publishedAll |
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40 @released |
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41 */ |
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42 { |
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43 public: |
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44 class CDTDElementAttribute : public CBase |
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45 /** Represents an attribute of a DTD element. */ |
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46 { |
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47 public: |
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48 /** DTD element attribute value types. */ |
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49 enum KValueType |
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50 { |
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51 /** Attribute supplies a default. */ |
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52 EDefault, |
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53 /** Attribute is #REQUIRED. */ |
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54 ERequired, |
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55 /** Attribute is #IMPLIED. */ |
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56 EImplied, |
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57 /** Attribute is #FIXED. */ |
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58 EFixed, |
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59 /** Attribute is a reference. */ |
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60 EReference |
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61 }; |
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62 |
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63 public: |
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64 /** Destructor. |
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65 */ |
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66 virtual ~CDTDElementAttribute() |
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67 { |
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68 delete iType; |
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69 delete iValue; |
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70 } |
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71 |
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72 public: |
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73 /** Node that specifies the attribute type. */ |
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74 CBNFNode* iType; |
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75 /** Node that specifies the attribute value. */ |
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76 CBNFNode* iValue; |
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77 /** Attribute value type. */ |
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78 KValueType iValueType; |
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79 }; |
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80 |
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81 |
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82 enum TRuleMarks |
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83 { |
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84 ERuleStartMark = 1, |
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85 EConditionalMark, |
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86 EGroupMark |
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87 }; |
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88 |
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89 //##ModelId=3B666BCB0321 |
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90 IMPORT_C static CDTDModel* NewL(CAttributeLookupTable& aLUT); |
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91 //##ModelId=3B666BCB0320 |
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92 IMPORT_C virtual ~CDTDModel(); |
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93 |
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94 // This method MUST be invoked before data can be processed by the parser. |
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95 //##ModelId=3B666BCB031F |
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96 IMPORT_C virtual void ResetL(); |
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97 |
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98 //##ModelId=3B666BCB0315 |
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99 IMPORT_C CBNFNode* GeneratedTree(); |
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100 |
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101 // Building method for a hard coded WML1.1 DTD tree |
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102 // Input: |
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103 // aPackageRoot - A root node to which the generated tree is attached |
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104 // |
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105 //##ModelId=3B666BCB030B |
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106 IMPORT_C void BuildWml11DTDL(CBNFNode& aPackageRootNode); |
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107 |
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108 protected: |
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109 IMPORT_C CDTDModel(CAttributeLookupTable& aLUT); |
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110 |
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111 // construct our BNF rule tree |
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112 //##ModelId=3B666BCB0302 |
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113 IMPORT_C virtual CBNFNode* TreeL(); |
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114 |
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115 // to control our internal state on conditional rules. |
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116 //##ModelId=3B666BCB02F7 |
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117 IMPORT_C virtual void StartConditional(TParserNodeTypes aRuleType); |
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118 //##ModelId=3B666BCB02E3 |
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119 IMPORT_C virtual void EndConditional(TParserNodeTypes aRuleType, TBool aSuccess); |
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120 |
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121 // rule callbacks to build the DTD Tree |
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122 //##ModelId=3B666BCB02D9 |
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123 static void PreRulesL(CBNFParser& aParser); |
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124 //##ModelId=3B666BCB02CF |
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125 static void PostRulesL(CBNFParser& aParser); |
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126 //##ModelId=3B666BCB02C5 |
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127 static void PreElementDeclL(CBNFParser& aParser); |
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128 //##ModelId=3B666BCB02B1 |
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129 static void PostElementDeclL(CBNFParser& aParser); |
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130 //##ModelId=3B666BCB02A7 |
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131 static void PreEntityDeclL(CBNFParser& aParser); |
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132 //##ModelId=3B666BCB0294 |
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133 static void PostEntityDeclL(CBNFParser& aParser); |
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134 //##ModelId=3B666BCB0289 |
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135 static void PreAttlistLineL(CBNFParser& aParser); |
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136 //##ModelId=3B666BCB027F |
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137 static void PostAttlistLineL(CBNFParser& aParser); |
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138 //##ModelId=3B666BCB0275 |
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139 static void PostAttlistReferenceL(CBNFParser& aParser); |
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140 //##ModelId=3B666BCB026B |
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141 static void PreAttValueL(CBNFParser& aParser); |
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142 //##ModelId=3B666BCB0261 |
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143 static void PostAttValueL(CBNFParser& aParser); |
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144 //##ModelId=3B666BCB024E |
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145 static void PostRequiredL(CBNFParser& aParser); |
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146 //##ModelId=3B666BCB0243 |
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147 static void PostFixedL(CBNFParser& aParser); |
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148 //##ModelId=3B666BCB0239 |
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149 static void PostImpliedL(CBNFParser& aParser); |
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150 //##ModelId=3B666BCB022F |
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151 static void PostAndL(CBNFParser& aParser); |
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152 //##ModelId=3B666BCB0225 |
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153 static void PostOrL(CBNFParser& aParser); |
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154 //##ModelId=3B666BCB021B |
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155 static void PreGroupL(CBNFParser& aParser); |
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156 //##ModelId=3B666BCB0208 |
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157 static void PostGroupL(CBNFParser& aParser); |
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158 //##ModelId=3B666BCB01FD |
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159 static void PostMatch0PlusL(CBNFParser& aParser); |
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160 //##ModelId=3B666BCB01F3 |
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161 static void PostMatch1PlusL(CBNFParser& aParser); |
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162 //##ModelId=3B666BCB01E9 |
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163 static void PostOptionalL(CBNFParser& aParser); |
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164 //##ModelId=3B666BCB01DF |
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165 static void PostIdentifierL(CBNFParser& aParser); |
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166 //##ModelId=3B666BCB01CC |
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167 static void PostEntityDeclNameL(CBNFParser& aParser); |
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168 //##ModelId=3B666BCB01C1 |
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169 static void PostElementDeclNameL(CBNFParser& aParser); |
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170 //##ModelId=3B666BCB01B7 |
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171 static void PostAttlistDeclNameL(CBNFParser& aParser); |
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172 //##ModelId=3B666BCB01AD |
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173 static void PostAttfieldNameL(CBNFParser& aParser); |
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174 //##ModelId=3B666BCB01A3 |
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175 static void PostReferenceNameL(CBNFParser& aParser); |
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176 //##ModelId=3B666BCB0199 |
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177 static void PostStringL(CBNFParser& aParser); |
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178 //##ModelId=3B666BCB0186 |
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179 static void PostValidHexCharL(CBNFParser& aParser); |
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180 //##ModelId=3B666BCB017B |
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181 static void PostValidDecCharL(CBNFParser& aParser); |
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182 //##ModelId=3B666BCB0171 |
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183 static void PrePEDeclL(CBNFParser& aParser); |
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184 //##ModelId=3B666BCB0167 |
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185 static void PostPEDeclL(CBNFParser& aParser); |
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186 //##ModelId=3B666BCB015D |
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187 static void PostGEDeclL(CBNFParser& aParser); |
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188 //##ModelId=3B666BCB0153 |
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189 static void PreGEContentL(CBNFParser& aParser); |
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190 //##ModelId=3B666BCB0149 |
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191 static void PostGEContentL(CBNFParser& aParser); |
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192 |
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193 // utility functions |
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194 //##ModelId=3B666BCB0135 |
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195 static void PostValidCharL(CBNFParser& aParser, TRadix aRadix); |
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196 //##ModelId=3B666BCB0117 |
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197 static void PostRuleL(CBNFParser& aParser, TParserNodeTypes aType, const TDesC* aAttribute); |
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198 |
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199 //##ModelId=3B666BCB0104 |
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200 void CharRefReplacement(TPtr& aString); |
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201 |
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202 //##ModelId=3B666BCB0103 |
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203 void DoClear(); |
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204 |
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205 // Help methods for the hardcoded WML 1.1 tree |
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206 //##ModelId=3B666BCB00DB |
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207 void AddNewAttributeL(CBNFNode& aNode, const TDesC* aAttributeId, const TDesC& aAttributeType, CDTDElementAttribute::KValueType aAttributeValueType, CBNFNode* aRootNode); |
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208 //##ModelId=3B666BCB00BD |
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209 void AddNewReferenceAttributeL(CBNFNode& aNode, const TDesC& aAttributeType, CBNFNode* aRootNode); |
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210 //##ModelId=3B666BCB0095 |
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211 void AddNewAttributeWithValueL(CBNFNode& aNode, const TDesC* aAttributeId, const TDesC& aAttributeType, const TDesC& aAttributeDefaultValue, CBNFNode* aRootNode); |
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212 |
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213 |
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214 protected: |
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215 typedef CRuleMarkedStack<ETrue> COwnerRuleMarkedStack; |
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216 |
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217 protected: |
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218 //##ModelId=3B666BCB008B |
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219 TBool iInPEDecl; |
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220 //##ModelId=3B666BCB0078 |
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221 TBool iCharRefCheck; |
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222 //##ModelId=3B666BCB006E |
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223 HBufC* iGEContent; |
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224 |
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225 //##ModelId=3B666BCB0064 |
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226 HBufC* iNewAttfieldName; |
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227 //##ModelId=3B666BCB005A |
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228 CDTDElementAttribute* iNewElementAttribute; |
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229 //##ModelId=3B666BCB0046 |
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230 CBNFNode* iNewRule; |
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231 //##ModelId=3B666BCB003C |
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232 CBNFNode* iNewTree; |
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233 //##ModelId=3B666BCB0030 |
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234 COwnerRuleMarkedStack iNewRuleStack; |
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235 }; |
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236 |
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237 #endif // __CDTDMODEL_H__ |