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1 // Copyright (c) 2002-2009 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 "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.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 // $Header$ |
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15 // TfrLex.cpp |
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16 // This module implements TfrLex collection of static lexical functions. |
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17 // rev: mjdavey, symbian@mjdss.com, July 2002 |
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18 // for: Typhoon (7.0s) & JetStream (8.0) |
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19 // |
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20 // |
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21 |
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22 #ifndef __TFRLEX_H__ |
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23 #define __TFRLEX_H__ |
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24 |
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25 //----------------------------------------------------------------------------- |
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26 |
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27 #include <e32base.h> |
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28 |
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29 //----------------------------------------------------------------------------- |
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30 |
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31 class TfrLex |
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32 { |
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33 public: // New functions |
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34 |
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35 // Extract a term. The TLex variants return KErr* (KErrNone if |
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36 // found) and advance next position. The TDesC& variants check |
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37 // if text begins with term and return ETrue/EFalse. |
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38 static TInt Val ( TLex& aLex , const TDesC& aTerm ); |
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39 static TBool Val ( const TDesC& aText, const TDesC& aTerm ); |
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40 static TInt ValF( TLex& aLex , const TDesC& aTerm ); |
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41 static TBool ValF( const TDesC& aText, const TDesC& aTerm ); |
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42 |
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43 // Skip spaces and get token up to end-of-string, a space char |
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44 // or up to the very character/characters you define. The GetF |
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45 // supports tokens like "*". If a token begins with apostrophe |
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46 // but does not end to one, the functions L E A V E with error |
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47 // KErrArgument. |
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48 static TPtrC GetL( TLex& aLex, const TChar aChar = 0 ); |
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49 static TPtrC GetL( TLex& aLex, const TDesC& aList ); |
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50 |
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51 // Skip spaces and then eat the very character or the very term |
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52 // you define. Return ETrue (was found and swallowed) or EFalse. |
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53 static TBool Eat ( TLex& aLex, const TChar aChar ); |
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54 static TBool Eat ( TLex& aLex, const TDesC& aTerm ); |
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55 static TBool EatF( TLex& aLex, const TDesC& aTerm ); |
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56 |
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57 // Get count of tokens. REMOVED |
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58 // static TInt TokenCount( const TDesC& aText ); |
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59 // static TInt TokenCount( TLex aLex ); |
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60 |
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61 // Get from first non white space onwards. |
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62 static TPtrC TrimLeft( const TDesC& aText ); |
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63 |
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64 // Get up to the last non white space. |
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65 static TPtrC TrimRight( const TDesC& aText ); |
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66 |
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67 // Get from first non white space onwards up to the last |
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68 // non white space i.e. TrimLeft and TrimRight. |
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69 static TPtrC Trim( const TDesC& aText ); |
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70 |
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71 // Get text like "*" without the two apostrophes. If not |
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72 // like "*", then returns the text as such as the whole. |
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73 static TPtrC Peel( const TDesC& aText ); |
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74 |
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75 // Trim and then Peel. |
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76 static TPtrC TrimAndPeel( const TDesC& aText ); |
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77 |
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78 // Peel and them Trim. |
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79 static TPtrC PeelAndTrim( const TDesC& aText ); |
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80 |
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81 }; |
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82 |
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83 //----------------------------------------------------------------------------- |
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84 |
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85 #endif // __TFRLEX_H__ |
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86 |
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87 //----------------------------------------------------------------------------- |
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88 // Get count of tokens. |
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89 |
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90 /* |
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91 TInt TfrLex::TokenCount( const TDesC& aText ) |
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92 { |
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93 TLex lex( aText ); |
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94 return TokenCount( lex ); |
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95 } |
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96 TInt TfrLex::TokenCount( TLex aLex ) |
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97 { |
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98 TPtrC token; |
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99 TInt count = 0; |
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100 do |
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101 { |
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102 token.Set( aLex.NextToken() ); |
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103 if ( token.Length() > 0 ) count++; |
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104 } while ( token.Length() > 0 ); |
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105 |
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106 return count; |
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107 } |
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108 */ |
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109 |
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110 //----------------------------------------------------------------------------- |
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111 // End of File |
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112 //----------------------------------------------------------------------------- |