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1 // tregexarg.h |
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2 // |
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3 // Copyright (c) 2005 - 2006, Google Inc. |
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4 // All rights reserved. |
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5 // |
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6 // Redistribution and use in source and binary forms, with or without |
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7 // modification, are permitted provided that the following conditions are |
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8 // met: |
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9 // |
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10 // * Redistributions of source code must retain the above copyright |
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11 // notice, this list of conditions and the following disclaimer. |
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12 // * Redistributions in binary form must reproduce the above |
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13 // copyright notice, this list of conditions and the following disclaimer |
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14 // in the documentation and/or other materials provided with the |
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15 // distribution. |
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16 // * Neither the name of Google Inc. nor the names of its |
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17 // contributors may be used to endorse or promote products derived from |
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18 // this software without specific prior written permission. |
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19 // |
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20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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31 // |
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32 // Author: Sanjay Ghemawat |
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33 // |
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34 // Heavily refactored for Symbian OS by Accenture. |
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35 |
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36 #ifndef TREGEXARG_H_ |
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37 #define TREGEXARG_H_ |
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38 |
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39 #include <e32base.h> |
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40 |
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41 class TRegExArg |
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42 { |
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43 public: |
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44 // Empty constructor so we can declare arrays of TRegExArg |
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45 TRegExArg(); |
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46 |
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47 // Constructor specially designed for NULL arguments |
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48 inline TRegExArg(TAny*); |
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49 |
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50 typedef TBool (*Parser)(const TDesC8& aString, TAny* aDestination); |
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51 |
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52 // Type-specific parsers |
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53 #define PCRE_MAKE_PARSER(type,name) \ |
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54 IMPORT_C TRegExArg(type* aType) : iArg(aType), iParser(name) { } \ |
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55 IMPORT_C TRegExArg(type* aType, Parser aParser) : iArg(aType), iParser(aParser) { } |
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56 |
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57 PCRE_MAKE_PARSER(TChar, ParseTChar) |
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58 PCRE_MAKE_PARSER(TInt8, ParseTInt8) |
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59 PCRE_MAKE_PARSER(TInt16, ParseTInt16) |
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60 PCRE_MAKE_PARSER(TInt32, ParseTInt32) |
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61 PCRE_MAKE_PARSER(TInt64, ParseTInt64) |
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62 PCRE_MAKE_PARSER(TInt, ParseTInt) |
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63 PCRE_MAKE_PARSER(TUint8, ParseTUint8) |
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64 PCRE_MAKE_PARSER(TUint16, ParseTUint16) |
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65 PCRE_MAKE_PARSER(TUint32, ParseTUint32) |
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66 PCRE_MAKE_PARSER(TUint, ParseTUint) |
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67 PCRE_MAKE_PARSER(TReal32, ParseTReal32) |
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68 PCRE_MAKE_PARSER(TReal64, ParseTReal64) |
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69 PCRE_MAKE_PARSER(TDes8, ParseTDes8) |
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70 PCRE_MAKE_PARSER(TPtrC8, ParseTPtrC8) |
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71 |
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72 #undef PCRE_MAKE_PARSER |
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73 |
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74 // Generic constructors |
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75 template <class T> inline TRegExArg(T*, Parser aParser); |
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76 template <class T> inline TRegExArg(T* aArg); |
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77 |
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78 // TBuf constructors - cannot seem to nest the template parameters |
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79 template <TInt S> |
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80 inline TRegExArg(TBuf8<S>* aArg, Parser aParser); |
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81 template <TInt S> |
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82 inline TRegExArg(TBuf8<S>* aArg); |
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83 |
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84 // Parse the data |
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85 inline TBool Parse(const TDesC8& aString) const; |
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86 |
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87 private: |
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88 TAny* iArg; |
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89 Parser iParser; // Pointer to parsing function |
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90 |
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91 IMPORT_C static TBool ParseNull (const TDesC8& aString, TAny* aDestination); |
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92 IMPORT_C static TBool ParseTChar (const TDesC8& aString, TAny* aDestination); |
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93 IMPORT_C static TBool ParseTInt8 (const TDesC8& aString, TAny* aDestination); |
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94 IMPORT_C static TBool ParseTInt16 (const TDesC8& aString, TAny* aDestination); |
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95 IMPORT_C static TBool ParseTInt32 (const TDesC8& aString, TAny* aDestination); |
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96 IMPORT_C static TBool ParseTInt (const TDesC8& aString, TAny* aDestination); |
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97 IMPORT_C static TBool ParseTReal32 (const TDesC8& aString, TAny* aDestination); |
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98 IMPORT_C static TBool ParseTReal64 (const TDesC8& aString, TAny* aDestination); |
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99 IMPORT_C static TBool ParseTDes8 (const TDesC8& aString, TAny* aDestination); |
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100 IMPORT_C static TBool ParseTDes16 (const TDesC8& aString, TAny* aDestination); |
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101 IMPORT_C static TBool ParseTPtrC8 (const TDesC8& aString, TAny* aDestination); |
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102 |
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103 #define PCRE_DECLARE_INTEGER_PARSER(name) \ |
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104 private: \ |
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105 IMPORT_C static TBool Parse ## name(const TDesC8& aString, TAny* aDestination); \ |
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106 IMPORT_C static TBool Parse ## name ## Radix( \ |
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107 const TDesC8& aString, TAny* aDestination, TRadix aRadix); \ |
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108 public: \ |
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109 IMPORT_C static TBool Parse ## name ## Hex(const TDesC8& aString, TAny* aDestination); \ |
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110 IMPORT_C static TBool Parse ## name ## Octal(const TDesC8& aString, TAny* aDestination); \ |
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111 |
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112 PCRE_DECLARE_INTEGER_PARSER(TInt64) |
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113 PCRE_DECLARE_INTEGER_PARSER(TUint8) |
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114 PCRE_DECLARE_INTEGER_PARSER(TUint16) |
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115 PCRE_DECLARE_INTEGER_PARSER(TUint32) |
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116 PCRE_DECLARE_INTEGER_PARSER(TUint) |
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117 |
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118 #undef PCRE_DECLARE_INTEGER_PARSER |
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119 }; |
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120 |
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121 #include "tregexarg.inl" |
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122 |
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123 #endif /* TREGEXARG_H_ */ |