/[pcre]/code/trunk/pcrecpp.h
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revision 200 by ph10, Wed Aug 1 09:10:40 2007 UTC revision 326 by ph10, Sat Mar 8 17:24:02 2008 UTC
# Line 346  namespace pcrecpp { Line 346  namespace pcrecpp {
346  #define PCRE_IS_SET(o)  \  #define PCRE_IS_SET(o)  \
347          (all_options_ & o) == o          (all_options_ & o) == o
348    
 // We convert user-passed pointers into special Arg objects  
 PCRECPP_EXP_DECL Arg no_arg;  
   
349  /***** Compiling regular expressions: the RE class *****/  /***** Compiling regular expressions: the RE class *****/
350    
351  // RE_Options allow you to set options to be passed along to pcre,  // RE_Options allow you to set options to be passed along to pcre,
# Line 403  class PCRECPP_EXP_DEFN RE_Options { Line 400  class PCRECPP_EXP_DEFN RE_Options {
400      return PCRE_IS_SET(PCRE_DOTALL);      return PCRE_IS_SET(PCRE_DOTALL);
401    }    }
402    RE_Options &set_dotall(bool x) {    RE_Options &set_dotall(bool x) {
403      PCRE_SET_OR_CLEAR(x,PCRE_DOTALL);      PCRE_SET_OR_CLEAR(x, PCRE_DOTALL);
404    }    }
405    
406    bool extended() const {    bool extended() const {
407      return PCRE_IS_SET(PCRE_EXTENDED);      return PCRE_IS_SET(PCRE_EXTENDED);
408    }    }
409    RE_Options &set_extended(bool x) {    RE_Options &set_extended(bool x) {
410      PCRE_SET_OR_CLEAR(x,PCRE_EXTENDED);      PCRE_SET_OR_CLEAR(x, PCRE_EXTENDED);
411    }    }
412    
413    bool dollar_endonly() const {    bool dollar_endonly() const {
414      return PCRE_IS_SET(PCRE_DOLLAR_ENDONLY);      return PCRE_IS_SET(PCRE_DOLLAR_ENDONLY);
415    }    }
416    RE_Options &set_dollar_endonly(bool x) {    RE_Options &set_dollar_endonly(bool x) {
417      PCRE_SET_OR_CLEAR(x,PCRE_DOLLAR_ENDONLY);      PCRE_SET_OR_CLEAR(x, PCRE_DOLLAR_ENDONLY);
418    }    }
419    
420    bool extra() const {    bool extra() const {
421      return PCRE_IS_SET( PCRE_EXTRA);      return PCRE_IS_SET(PCRE_EXTRA);
422    }    }
423    RE_Options &set_extra(bool x) {    RE_Options &set_extra(bool x) {
424      PCRE_SET_OR_CLEAR(x, PCRE_EXTRA);      PCRE_SET_OR_CLEAR(x, PCRE_EXTRA);
# Line 491  class PCRECPP_EXP_DEFN RE { Line 488  class PCRECPP_EXP_DEFN RE {
488   public:   public:
489    // We provide implicit conversions from strings so that users can    // We provide implicit conversions from strings so that users can
490    // pass in a string or a "const char*" wherever an "RE" is expected.    // pass in a string or a "const char*" wherever an "RE" is expected.
   RE(const char* pat) { Init(pat, NULL); }  
   RE(const char *pat, const RE_Options& option) { Init(pat, &option); }  
491    RE(const string& pat) { Init(pat, NULL); }    RE(const string& pat) { Init(pat, NULL); }
492    RE(const string& pat, const RE_Options& option) { Init(pat, &option); }    RE(const string& pat, const RE_Options& option) { Init(pat, &option); }
493      RE(const char* pat) { Init(pat, NULL); }
494      RE(const char* pat, const RE_Options& option) { Init(pat, &option); }
495      RE(const unsigned char* pat) {
496        Init(reinterpret_cast<const char*>(pat), NULL);
497      }
498      RE(const unsigned char* pat, const RE_Options& option) {
499        Init(reinterpret_cast<const char*>(pat), &option);
500      }
501    
502    // Copy constructor & assignment - note that these are expensive    // Copy constructor & assignment - note that these are expensive
503    // because they recompile the expression.    // because they recompile the expression.
# Line 617  class PCRECPP_EXP_DEFN RE { Line 620  class PCRECPP_EXP_DEFN RE {
620    //           1.5-2.0?    //           1.5-2.0?
621    // may become:    // may become:
622    //           1\.5\-2\.0\?    //           1\.5\-2\.0\?
623      // Note QuoteMeta behaves the same as perl's QuoteMeta function,
624      // *except* that it escapes the NUL character (\0) as backslash + 0,
625      // rather than backslash + NUL.
626    static string QuoteMeta(const StringPiece& unquoted);    static string QuoteMeta(const StringPiece& unquoted);
627    
628    
# Line 640  class PCRECPP_EXP_DEFN RE { Line 646  class PCRECPP_EXP_DEFN RE {
646    // regexp wasn't valid on construction.    // regexp wasn't valid on construction.
647    int NumberOfCapturingGroups() const;    int NumberOfCapturingGroups() const;
648    
649      // The default value for an argument, to indicate no arg was passed in
650      static Arg no_arg;
651    
652   private:   private:
653    
654    void Init(const string& pattern, const RE_Options* options);    void Init(const string& pattern, const RE_Options* options);
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