1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Parser for phone numbers. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "cphonegsmphonenumberparser.h" |
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21 #include "cphonegsmparserresult.h" |
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22 #include "cphonegsmoptioncontainer.h" |
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23 #include "cphonevoipnumberparser.h" |
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24 #include "cphoneparserfeatures.h" |
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25 #include "phoneparsercommon.h" |
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26 // CONSTANTS |
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27 _LIT( KPhoneClirSuppress, "*31#" ); |
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28 _LIT( KPhoneClirInvoke, "#31#" ); |
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29 |
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30 const TInt KPhoneNumberOne = '1'; |
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31 |
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32 const TInt KPhoneNumberMaxLength = 80; |
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33 |
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34 const TInt KPhoneShortStringMinLength = 1; // Must be positive. |
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35 const TInt KPhoneShortStringMaxLength = 2; // Must be positive. |
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36 const TInt KPhoneHashStringMinLength = 2; |
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37 const TInt KPhoneTwoDigitStringLength = 2; |
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38 |
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39 // If there is one of the characters in the string, then the string |
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40 // is considered as phone number. |
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41 _LIT( KPhoneMustPhoneNumberChars, "pw" ); |
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42 _LIT( KPhoneHashChar, "#" ); |
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43 _LIT( KPhoneNumberZero, "0" ); |
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44 |
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45 |
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46 // ============================ MEMBER FUNCTIONS =============================== |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CPhoneGsmPhoneNumberParser::CPhoneGsmPhoneNumberParser |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CPhoneGsmPhoneNumberParser::CPhoneGsmPhoneNumberParser() |
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53 { |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CPhoneGsmPhoneNumberParser::NewLC |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 CPhoneGsmPhoneNumberParser* CPhoneGsmPhoneNumberParser::NewLC() |
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61 { |
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62 CPhoneGsmPhoneNumberParser* self = |
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63 new ( ELeave ) CPhoneGsmPhoneNumberParser; |
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64 |
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65 CleanupStack::PushL( self ); |
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66 |
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67 return self; |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CPhoneGsmPhoneNumberParser::ParseL |
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72 // |
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73 // Phone number can contain following parts: supplementary |
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74 // service prefix, main part and dtmf postfix. |
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75 // |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 TBool CPhoneGsmPhoneNumberParser::ParseL( |
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79 const TDesC& aString, |
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80 CPhoneGsmParserResult& aResult, |
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81 CPhoneGsmOptionContainerBase& aOptions ) |
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82 { |
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83 aResult.ClearL(); |
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84 |
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85 TBool result = DoParseL( |
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86 aString, |
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87 aResult, |
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88 static_cast<CPhoneGsmOptionContainer&>( aOptions ) ); |
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89 |
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90 if ( !result ) |
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91 { |
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92 aResult.ClearL(); |
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93 } |
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94 |
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95 return result; |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CPhoneGsmPhoneNumberParser::DoParseL |
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100 // |
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101 // Phone number can contain following parts: supplementary |
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102 // service prefix, main part and dtmf postfix. |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 TBool CPhoneGsmPhoneNumberParser::DoParseL( |
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106 const TDesC& aString, |
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107 CPhoneGsmParserResult& aResult, |
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108 CPhoneGsmOptionContainer& aOptions ) |
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109 { |
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110 TBool result = EFalse; |
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111 |
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112 if ( !aOptions.FindOptionStatus( KPhoneOptionSend )) |
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113 { |
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114 return EFalse; |
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115 } |
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116 if ( !ContainsPauseOrWaitChars( aString )) // p or w --> always phone number |
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117 { |
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118 if ( IsHashString( aString )) |
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119 { |
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120 return EFalse; |
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121 } |
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122 if ( aString.Length() >= KPhoneShortStringMinLength && |
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123 aString.Length() <= KPhoneShortStringMaxLength ) |
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124 { |
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125 if ( !IsZeroDialling( aString, aOptions ) && |
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126 !IsTwoDigitDialling( aString ) && !Is1xDialling( aString, aOptions )) |
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127 { |
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128 return EFalse; |
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129 } |
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130 } |
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131 } |
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132 TLex input( aString ); |
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133 |
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134 if ( !HandleServicePrefix( input, aResult ) ) |
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135 { |
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136 aResult.SetAuxInformation( KPhoneDialDefaultClir ); |
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137 } |
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138 |
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139 // Take number part and add it to result. |
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140 result = TakeNumberPartL( input, aResult ); |
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141 |
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142 if ( result ) |
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143 { |
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144 if ( !aOptions.FindOptionStatus( KPhoneOptionVoipCall ) ) |
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145 { |
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146 aResult.SetUid( KPhoneUidPhoneNumber ); |
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147 } |
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148 |
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149 // Add rest of string( dtmf postfix ) to result. |
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150 if ( !TakeDtmfPostfixL( input, aResult ) ) |
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151 { |
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152 aResult.AddParameterL( KNullDesC ); |
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153 } |
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154 } |
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155 |
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156 return result; |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CPhoneGsmPhoneNumberParser::HandleServicePrefix |
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161 // |
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162 // Checks if there is clir suppress/invoke prefix in the |
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163 // string. |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 TBool CPhoneGsmPhoneNumberParser::HandleServicePrefix( |
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167 TLex& aLex, |
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168 CPhoneGsmParserResult& aResult ) |
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169 { |
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170 TBool result = EFalse; |
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171 TPtrC remainder( aLex.Remainder() ); |
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172 |
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173 if ( EqualsLeft( remainder, KPhoneClirSuppress ) ) |
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174 { |
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175 aLex.Inc( KPhoneClirSuppress().Length() ); |
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176 aResult.SetAuxInformation( KPhoneDialSuppressClir ); |
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177 result = ETrue; |
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178 } |
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179 else if ( EqualsLeft( remainder, KPhoneClirInvoke ) ) |
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180 { |
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181 aLex.Inc( KPhoneClirSuppress().Length() ); |
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182 aResult.SetAuxInformation( KPhoneDialInvokeClir ); |
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183 result = ETrue; |
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184 } |
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185 |
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186 return result; |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CPhoneGsmPhoneNumberParser::TakeNumberPartL |
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191 // |
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192 // Takes a main part of the phone number. And add |
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193 // it to the aReturn parameter with or without optional international prefix. |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 TBool CPhoneGsmPhoneNumberParser::TakeNumberPartL( |
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197 TLex& aLex, |
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198 CPhoneGsmParserResult& aResult ) |
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199 { |
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200 TBool result = EFalse; |
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201 |
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202 TLexMark start; |
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203 aLex.Mark( start ); |
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204 |
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205 TInt maxLength = KPhoneNumberMaxLength; |
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206 |
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207 // Checks is first char optional international prefix |
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208 // and if its increments to the next char position. |
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209 if ( aLex.Peek() == KPhonePlus ) |
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210 { |
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211 aLex.Inc(); |
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212 maxLength++; |
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213 } |
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214 |
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215 // Check possible 'p','w' or '+' marks. |
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216 while ( ( aLex.Peek().IsDigit() ) || |
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217 ( aLex.Peek() == KPhoneNumberAsterisk ) || |
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218 ( aLex.Peek() == KPhoneNumberHash ) ) |
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219 { |
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220 aLex.Inc(); |
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221 } |
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222 |
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223 // Add parsing string to result parameter |
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224 TPtrC mainpart( aLex.MarkedToken( start ) ); |
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225 const TInt length = mainpart.Length(); |
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226 if ( length <= maxLength ) |
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227 { |
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228 result = ETrue; |
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229 aResult.AddParameterL( mainpart ); |
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230 } |
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231 |
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232 return result; |
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233 } |
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234 |
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235 // ----------------------------------------------------------------------------- |
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236 // CPhoneGsmPhoneNumberParser::TakeDtmfPostfixL |
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237 // ----------------------------------------------------------------------------- |
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238 // |
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239 TBool CPhoneGsmPhoneNumberParser::TakeDtmfPostfixL( |
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240 TLex& aLex, |
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241 CPhoneGsmParserResult& aResult ) |
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242 { |
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243 // Add rest of string( after TLex16::iNext ) to result. |
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244 aResult.AddParameterL( aLex.Remainder() ); |
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245 return ETrue; |
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246 } |
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247 |
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248 // ----------------------------------------------------------------------------- |
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249 // CPhoneGsmPhoneNumberParser::EqualsLeft |
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250 // ----------------------------------------------------------------------------- |
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251 // |
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252 TBool CPhoneGsmPhoneNumberParser::EqualsLeft( |
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253 const TDesC& aDesc, |
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254 const TDesC& aLeft ) |
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255 { |
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256 return IsPrefixOf( aDesc, aLeft ); |
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257 } |
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258 |
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259 // ----------------------------------------------------------------------------- |
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260 // CPhoneGsmPhoneNumberParser::ContainsPauseOrWaitChars |
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261 // ----------------------------------------------------------------------------- |
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262 // |
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263 TBool CPhoneGsmPhoneNumberParser::ContainsPauseOrWaitChars( |
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264 const TDesC& aString ) const |
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265 { |
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266 |
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267 TBool result = EFalse; |
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268 TPtrC chs( KPhoneMustPhoneNumberChars ); |
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269 for ( TInt index = 0; index < chs.Length(); index++ ) |
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270 { |
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271 if ( aString.Locate( chs[ index ] ) != KErrNotFound ) |
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272 { |
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273 result = ETrue; |
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274 break; |
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275 } |
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276 } |
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277 |
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278 return result; |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // CPhoneGsmPhoneNumberParser::IsHashString |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 TBool CPhoneGsmPhoneNumberParser::IsHashString( |
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286 const TDesC& aString ) const |
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287 { |
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288 return aString.Length() >= KPhoneHashStringMinLength && |
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289 // Rightmost character must be # |
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290 aString.Right( 1 ) == KPhoneHashChar; |
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291 } |
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292 |
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293 // ----------------------------------------------------------------------------- |
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294 // CPhoneGsmPhoneNumberParser::IsZeroDialling |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 TBool CPhoneGsmPhoneNumberParser::IsZeroDialling( |
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298 const TDesC& aString, CPhoneGsmOptionContainer& aOptions ) const |
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299 { |
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300 return !aOptions.FindOptionStatus( KPhoneOptionInCall ) && |
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301 !aString.Compare( KPhoneNumberZero ) && |
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302 CPhoneParserFeatures::IsZeroDialEnabled(); |
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303 } |
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304 |
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305 // ----------------------------------------------------------------------------- |
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306 // CPhoneGsmPhoneNumberParser::IsTwoDigitDialling |
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307 // ----------------------------------------------------------------------------- |
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308 // |
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309 TBool CPhoneGsmPhoneNumberParser::IsTwoDigitDialling( |
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310 const TDesC& aString ) const |
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311 { |
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312 return CPhoneParserFeatures::TwoDigitCallingEnabled() && |
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313 aString.Length()== KPhoneTwoDigitStringLength; |
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314 } |
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315 |
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316 // ----------------------------------------------------------------------------- |
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317 // CPhoneGsmPhoneNumberParser::Is1xDialling |
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318 // ----------------------------------------------------------------------------- |
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319 // |
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320 TBool CPhoneGsmPhoneNumberParser::Is1xDialling( |
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321 const TDesC& aString, CPhoneGsmOptionContainer& aOptions ) const |
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322 { |
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323 return !aOptions.FindOptionStatus( KPhoneOptionInCall ) && |
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324 aString.Length()== KPhoneShortStringMaxLength && |
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325 aString[0] == KPhoneNumberOne && |
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326 TChar( aString[1] ).IsDigit(); |
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327 } |
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328 |
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329 // End of File |
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