/[pcre]/code/trunk/pcrecpp.cc
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revision 200 by ph10, Wed Aug 1 09:10:40 2007 UTC revision 288 by ph10, Wed Dec 19 12:21:45 2007 UTC
# Line 30  Line 30 
30  // Author: Sanjay Ghemawat  // Author: Sanjay Ghemawat
31    
32  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
33  #include <config.h>  #include "config.h"
34  #endif  #endif
35    
36  #include <stdlib.h>  #include <stdlib.h>
# Line 43  Line 43 
43  #include <algorithm>  #include <algorithm>
44    
45  #include "pcrecpp_internal.h"  #include "pcrecpp_internal.h"
46  #include <pcre.h>  #include "pcre.h"
47  #include "pcrecpp.h"  #include "pcrecpp.h"
48  #include "pcre_stringpiece.h"  #include "pcre_stringpiece.h"
49    
# Line 331  bool RE::Replace(const StringPiece& rewr Line 331  bool RE::Replace(const StringPiece& rewr
331    
332  // Returns PCRE_NEWLINE_CRLF, PCRE_NEWLINE_CR, or PCRE_NEWLINE_LF.  // Returns PCRE_NEWLINE_CRLF, PCRE_NEWLINE_CR, or PCRE_NEWLINE_LF.
333  // Note that PCRE_NEWLINE_CRLF is defined to be P_N_CR | P_N_LF.  // Note that PCRE_NEWLINE_CRLF is defined to be P_N_CR | P_N_LF.
334    // Modified by PH to add PCRE_NEWLINE_ANY and PCRE_NEWLINE_ANYCRLF.
335    
336  static int NewlineMode(int pcre_options) {  static int NewlineMode(int pcre_options) {
337    // TODO: if we can make it threadsafe, cache this var    // TODO: if we can make it threadsafe, cache this var
338    int newline_mode = 0;    int newline_mode = 0;
339    /* if (newline_mode) return newline_mode; */  // do this once it's cached    /* if (newline_mode) return newline_mode; */  // do this once it's cached
340    if (pcre_options & (PCRE_NEWLINE_CRLF|PCRE_NEWLINE_CR|PCRE_NEWLINE_LF)) {    if (pcre_options & (PCRE_NEWLINE_CRLF|PCRE_NEWLINE_CR|PCRE_NEWLINE_LF|
341                          PCRE_NEWLINE_ANY|PCRE_NEWLINE_ANYCRLF)) {
342      newline_mode = (pcre_options &      newline_mode = (pcre_options &
343                      (PCRE_NEWLINE_CRLF|PCRE_NEWLINE_CR|PCRE_NEWLINE_LF));                      (PCRE_NEWLINE_CRLF|PCRE_NEWLINE_CR|PCRE_NEWLINE_LF|
344                         PCRE_NEWLINE_ANY|PCRE_NEWLINE_ANYCRLF));
345    } else {    } else {
346      int newline;      int newline;
347      pcre_config(PCRE_CONFIG_NEWLINE, &newline);      pcre_config(PCRE_CONFIG_NEWLINE, &newline);
# Line 347  static int NewlineMode(int pcre_options) Line 351  static int NewlineMode(int pcre_options)
351        newline_mode = PCRE_NEWLINE_CR;        newline_mode = PCRE_NEWLINE_CR;
352      else if (newline == 3338)      else if (newline == 3338)
353        newline_mode = PCRE_NEWLINE_CRLF;        newline_mode = PCRE_NEWLINE_CRLF;
354        else if (newline == -1)
355          newline_mode = PCRE_NEWLINE_ANY;
356        else if (newline == -2)
357          newline_mode = PCRE_NEWLINE_ANYCRLF;
358      else      else
359        assert("" == "Unexpected return value from pcre_config(NEWLINE)");        assert("" == "Unexpected return value from pcre_config(NEWLINE)");
360    }    }
# Line 376  int RE::GlobalReplace(const StringPiece& Line 384  int RE::GlobalReplace(const StringPiece&
384        // Note it's better to call pcre_fullinfo() than to examine        // Note it's better to call pcre_fullinfo() than to examine
385        // all_options(), since options_ could have changed bewteen        // all_options(), since options_ could have changed bewteen
386        // compile-time and now, but this is simpler and safe enough.        // compile-time and now, but this is simpler and safe enough.
387          // Modified by PH to add ANY and ANYCRLF.
388        if (start+1 < static_cast<int>(str->length()) &&        if (start+1 < static_cast<int>(str->length()) &&
389            (*str)[start] == '\r' && (*str)[start+1] == '\n' &&            (*str)[start] == '\r' && (*str)[start+1] == '\n' &&
390            NewlineMode(options_.all_options()) == PCRE_NEWLINE_CRLF) {            (NewlineMode(options_.all_options()) == PCRE_NEWLINE_CRLF ||
391               NewlineMode(options_.all_options()) == PCRE_NEWLINE_ANY ||
392               NewlineMode(options_.all_options()) == PCRE_NEWLINE_ANYCRLF)
393              ) {
394          matchend++;          matchend++;
395        }        }
396        // We also need to advance more than one char if we're in utf8 mode.        // We also need to advance more than one char if we're in utf8 mode.
# Line 397  int RE::GlobalReplace(const StringPiece& Line 409  int RE::GlobalReplace(const StringPiece&
409        Rewrite(&out, rewrite, *str, vec, matches);        Rewrite(&out, rewrite, *str, vec, matches);
410        start = matchend;        start = matchend;
411        lastend = matchend;        lastend = matchend;
412        count++;        // count++;  // Removed by PH 19-Dec-2007: duplicate count increment
413      }      }
414    }    }
415    
# Line 606  bool Arg::parse_null(const char* str, in Line 618  bool Arg::parse_null(const char* str, in
618  }  }
619    
620  bool Arg::parse_string(const char* str, int n, void* dest) {  bool Arg::parse_string(const char* str, int n, void* dest) {
621      if (dest == NULL) return true;
622    reinterpret_cast<string*>(dest)->assign(str, n);    reinterpret_cast<string*>(dest)->assign(str, n);
623    return true;    return true;
624  }  }
625    
626  bool Arg::parse_stringpiece(const char* str, int n, void* dest) {  bool Arg::parse_stringpiece(const char* str, int n, void* dest) {
627      if (dest == NULL) return true;
628    reinterpret_cast<StringPiece*>(dest)->set(str, n);    reinterpret_cast<StringPiece*>(dest)->set(str, n);
629    return true;    return true;
630  }  }
631    
632  bool Arg::parse_char(const char* str, int n, void* dest) {  bool Arg::parse_char(const char* str, int n, void* dest) {
633    if (n != 1) return false;    if (n != 1) return false;
634      if (dest == NULL) return true;
635    *(reinterpret_cast<char*>(dest)) = str[0];    *(reinterpret_cast<char*>(dest)) = str[0];
636    return true;    return true;
637  }  }
638    
639  bool Arg::parse_uchar(const char* str, int n, void* dest) {  bool Arg::parse_uchar(const char* str, int n, void* dest) {
640    if (n != 1) return false;    if (n != 1) return false;
641      if (dest == NULL) return true;
642    *(reinterpret_cast<unsigned char*>(dest)) = str[0];    *(reinterpret_cast<unsigned char*>(dest)) = str[0];
643    return true;    return true;
644  }  }
# Line 671  bool Arg::parse_long_radix(const char* s Line 687  bool Arg::parse_long_radix(const char* s
687    long r = strtol(str, &end, radix);    long r = strtol(str, &end, radix);
688    if (end != str + n) return false;   // Leftover junk    if (end != str + n) return false;   // Leftover junk
689    if (errno) return false;    if (errno) return false;
690      if (dest == NULL) return true;
691    *(reinterpret_cast<long*>(dest)) = r;    *(reinterpret_cast<long*>(dest)) = r;
692    return true;    return true;
693  }  }
# Line 688  bool Arg::parse_ulong_radix(const char* Line 705  bool Arg::parse_ulong_radix(const char*
705    unsigned long r = strtoul(str, &end, radix);    unsigned long r = strtoul(str, &end, radix);
706    if (end != str + n) return false;   // Leftover junk    if (end != str + n) return false;   // Leftover junk
707    if (errno) return false;    if (errno) return false;
708      if (dest == NULL) return true;
709    *(reinterpret_cast<unsigned long*>(dest)) = r;    *(reinterpret_cast<unsigned long*>(dest)) = r;
710    return true;    return true;
711  }  }
# Line 699  bool Arg::parse_short_radix(const char* Line 717  bool Arg::parse_short_radix(const char*
717    long r;    long r;
718    if (!parse_long_radix(str, n, &r, radix)) return false; // Could not parse    if (!parse_long_radix(str, n, &r, radix)) return false; // Could not parse
719    if (r < SHRT_MIN || r > SHRT_MAX) return false;       // Out of range    if (r < SHRT_MIN || r > SHRT_MAX) return false;       // Out of range
720    *(reinterpret_cast<short*>(dest)) = r;    if (dest == NULL) return true;
721      *(reinterpret_cast<short*>(dest)) = static_cast<short>(r);
722    return true;    return true;
723  }  }
724    
# Line 710  bool Arg::parse_ushort_radix(const char* Line 729  bool Arg::parse_ushort_radix(const char*
729    unsigned long r;    unsigned long r;
730    if (!parse_ulong_radix(str, n, &r, radix)) return false; // Could not parse    if (!parse_ulong_radix(str, n, &r, radix)) return false; // Could not parse
731    if (r > USHRT_MAX) return false;                      // Out of range    if (r > USHRT_MAX) return false;                      // Out of range
732    *(reinterpret_cast<unsigned short*>(dest)) = r;    if (dest == NULL) return true;
733      *(reinterpret_cast<unsigned short*>(dest)) = static_cast<unsigned short>(r);
734    return true;    return true;
735  }  }
736    
# Line 721  bool Arg::parse_int_radix(const char* st Line 741  bool Arg::parse_int_radix(const char* st
741    long r;    long r;
742    if (!parse_long_radix(str, n, &r, radix)) return false; // Could not parse    if (!parse_long_radix(str, n, &r, radix)) return false; // Could not parse
743    if (r < INT_MIN || r > INT_MAX) return false;         // Out of range    if (r < INT_MIN || r > INT_MAX) return false;         // Out of range
744      if (dest == NULL) return true;
745    *(reinterpret_cast<int*>(dest)) = r;    *(reinterpret_cast<int*>(dest)) = r;
746    return true;    return true;
747  }  }
# Line 732  bool Arg::parse_uint_radix(const char* s Line 753  bool Arg::parse_uint_radix(const char* s
753    unsigned long r;    unsigned long r;
754    if (!parse_ulong_radix(str, n, &r, radix)) return false; // Could not parse    if (!parse_ulong_radix(str, n, &r, radix)) return false; // Could not parse
755    if (r > UINT_MAX) return false;                       // Out of range    if (r > UINT_MAX) return false;                       // Out of range
756      if (dest == NULL) return true;
757    *(reinterpret_cast<unsigned int*>(dest)) = r;    *(reinterpret_cast<unsigned int*>(dest)) = r;
758    return true;    return true;
759  }  }
# Line 752  bool Arg::parse_longlong_radix(const cha Line 774  bool Arg::parse_longlong_radix(const cha
774    long long r = strtoq(str, &end, radix);    long long r = strtoq(str, &end, radix);
775  #elif defined HAVE_STRTOLL  #elif defined HAVE_STRTOLL
776    long long r = strtoll(str, &end, radix);    long long r = strtoll(str, &end, radix);
777    #elif defined HAVE__STRTOI64
778      long long r = _strtoi64(str, &end, radix);
779  #else  #else
780  #error parse_longlong_radix: cannot convert input to a long-long  #error parse_longlong_radix: cannot convert input to a long-long
781  #endif  #endif
782    if (end != str + n) return false;   // Leftover junk    if (end != str + n) return false;   // Leftover junk
783    if (errno) return false;    if (errno) return false;
784      if (dest == NULL) return true;
785    *(reinterpret_cast<long long*>(dest)) = r;    *(reinterpret_cast<long long*>(dest)) = r;
786    return true;    return true;
787  #endif   /* HAVE_LONG_LONG */  #endif   /* HAVE_LONG_LONG */
# Line 779  bool Arg::parse_ulonglong_radix(const ch Line 804  bool Arg::parse_ulonglong_radix(const ch
804    unsigned long long r = strtouq(str, &end, radix);    unsigned long long r = strtouq(str, &end, radix);
805  #elif defined HAVE_STRTOLL  #elif defined HAVE_STRTOLL
806    unsigned long long r = strtoull(str, &end, radix);    unsigned long long r = strtoull(str, &end, radix);
807    #elif defined HAVE__STRTOI64
808      unsigned long long r = _strtoui64(str, &end, radix);
809  #else  #else
810  #error parse_ulonglong_radix: cannot convert input to a long-long  #error parse_ulonglong_radix: cannot convert input to a long-long
811  #endif  #endif
812    if (end != str + n) return false;   // Leftover junk    if (end != str + n) return false;   // Leftover junk
813    if (errno) return false;    if (errno) return false;
814      if (dest == NULL) return true;
815    *(reinterpret_cast<unsigned long long*>(dest)) = r;    *(reinterpret_cast<unsigned long long*>(dest)) = r;
816    return true;    return true;
817  #endif   /* HAVE_UNSIGNED_LONG_LONG */  #endif   /* HAVE_UNSIGNED_LONG_LONG */
# Line 801  bool Arg::parse_double(const char* str, Line 829  bool Arg::parse_double(const char* str,
829    double r = strtod(buf, &end);    double r = strtod(buf, &end);
830    if (end != buf + n) return false;   // Leftover junk    if (end != buf + n) return false;   // Leftover junk
831    if (errno) return false;    if (errno) return false;
832      if (dest == NULL) return true;
833    *(reinterpret_cast<double*>(dest)) = r;    *(reinterpret_cast<double*>(dest)) = r;
834    return true;    return true;
835  }  }
# Line 808  bool Arg::parse_double(const char* str, Line 837  bool Arg::parse_double(const char* str,
837  bool Arg::parse_float(const char* str, int n, void* dest) {  bool Arg::parse_float(const char* str, int n, void* dest) {
838    double r;    double r;
839    if (!parse_double(str, n, &r)) return false;    if (!parse_double(str, n, &r)) return false;
840      if (dest == NULL) return true;
841    *(reinterpret_cast<float*>(dest)) = static_cast<float>(r);    *(reinterpret_cast<float*>(dest)) = static_cast<float>(r);
842    return true;    return true;
843  }  }
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