pcre_dfa_exec.c

SDL文件。SDL_ERROwenjian.....

          case PT_SC:
          OK = script == code[3];
          break;

          /* Should never occur, but keep compilers from grumbling. */

          default:
          OK = codevalue != OP_PROP;
          break;
          }

        if (OK == (d == OP_PROP))
          {
          if (codevalue == OP_PROP_EXTRA + OP_TYPEPOSSTAR ||
              codevalue == OP_PROP_EXTRA + OP_TYPEPOSQUERY)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          ADD_NEW(state_offset + count, 0);
          }
        }
      break;

      /*-----------------------------------------------------------------*/
      case OP_EXTUNI_EXTRA + OP_TYPEQUERY:
      case OP_EXTUNI_EXTRA + OP_TYPEMINQUERY:
      case OP_EXTUNI_EXTRA + OP_TYPEPOSQUERY:
      count = 2;
      goto QS2;

      case OP_EXTUNI_EXTRA + OP_TYPESTAR:
      case OP_EXTUNI_EXTRA + OP_TYPEMINSTAR:
      case OP_EXTUNI_EXTRA + OP_TYPEPOSSTAR:
      count = 0;

      QS2:

      ADD_ACTIVE(state_offset + 2, 0);
      if (clen > 0 && _pcre_ucp_findprop(c, &chartype, &script) != ucp_M)
        {
        const uschar *nptr = ptr + clen;
        int ncount = 0;
        if (codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSSTAR ||
            codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSQUERY)
          {
          active_count--;           /* Remove non-match possibility */
          next_active_state--;
          }
        while (nptr < end_subject)
          {
          int nd;
          int ndlen = 1;
          GETCHARLEN(nd, nptr, ndlen);
          if (_pcre_ucp_findprop(nd, &chartype, &script) != ucp_M) break;
          ncount++;
          nptr += ndlen;
          }
        ADD_NEW_DATA(-(state_offset + count), 0, ncount);
        }
      break;
#endif

      /*-----------------------------------------------------------------*/
      case OP_ANYNL_EXTRA + OP_TYPEQUERY:
      case OP_ANYNL_EXTRA + OP_TYPEMINQUERY:
      case OP_ANYNL_EXTRA + OP_TYPEPOSQUERY:
      count = 2;
      goto QS3;

      case OP_ANYNL_EXTRA + OP_TYPESTAR:
      case OP_ANYNL_EXTRA + OP_TYPEMINSTAR:
      case OP_ANYNL_EXTRA + OP_TYPEPOSSTAR:
      count = 0;

      QS3:
      ADD_ACTIVE(state_offset + 2, 0);
      if (clen > 0)
        {
        int ncount = 0;
        switch (c)
          {
          case 0x000b:
          case 0x000c:
          case 0x0085:
          case 0x2028:
          case 0x2029:
          if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break;
          goto ANYNL02;

          case 0x000d:
          if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1;
          /* Fall through */

          ANYNL02:
          case 0x000a:
          if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSSTAR ||
              codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSQUERY)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          ADD_NEW_DATA(-(state_offset + count), 0, ncount);
          break;

          default:
          break;
          }
        }
      break;

      /*-----------------------------------------------------------------*/
      case OP_VSPACE_EXTRA + OP_TYPEQUERY:
      case OP_VSPACE_EXTRA + OP_TYPEMINQUERY:
      case OP_VSPACE_EXTRA + OP_TYPEPOSQUERY:
      count = 2;
      goto QS4;

      case OP_VSPACE_EXTRA + OP_TYPESTAR:
      case OP_VSPACE_EXTRA + OP_TYPEMINSTAR:
      case OP_VSPACE_EXTRA + OP_TYPEPOSSTAR:
      count = 0;

      QS4:
      ADD_ACTIVE(state_offset + 2, 0);
      if (clen > 0)
        {
        BOOL OK;
        switch (c)
          {
          case 0x000a:
          case 0x000b:
          case 0x000c:
          case 0x000d:
          case 0x0085:
          case 0x2028:
          case 0x2029:
          OK = TRUE;
          break;

          default:
          OK = FALSE;
          break;
          }
        if (OK == (d == OP_VSPACE))
          {
          if (codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSSTAR ||
              codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSQUERY)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          ADD_NEW_DATA(-(state_offset + count), 0, 0);
          }
        }
      break;

      /*-----------------------------------------------------------------*/
      case OP_HSPACE_EXTRA + OP_TYPEQUERY:
      case OP_HSPACE_EXTRA + OP_TYPEMINQUERY:
      case OP_HSPACE_EXTRA + OP_TYPEPOSQUERY:
      count = 2;
      goto QS5;

      case OP_HSPACE_EXTRA + OP_TYPESTAR:
      case OP_HSPACE_EXTRA + OP_TYPEMINSTAR:
      case OP_HSPACE_EXTRA + OP_TYPEPOSSTAR:
      count = 0;

      QS5:
      ADD_ACTIVE(state_offset + 2, 0);
      if (clen > 0)
        {
        BOOL OK;
        switch (c)
          {
          case 0x09:      /* HT */
          case 0x20:      /* SPACE */
          case 0xa0:      /* NBSP */
          case 0x1680:    /* OGHAM SPACE MARK */
          case 0x180e:    /* MONGOLIAN VOWEL SEPARATOR */
          case 0x2000:    /* EN QUAD */
          case 0x2001:    /* EM QUAD */
          case 0x2002:    /* EN SPACE */
          case 0x2003:    /* EM SPACE */
          case 0x2004:    /* THREE-PER-EM SPACE */
          case 0x2005:    /* FOUR-PER-EM SPACE */
          case 0x2006:    /* SIX-PER-EM SPACE */
          case 0x2007:    /* FIGURE SPACE */
          case 0x2008:    /* PUNCTUATION SPACE */
          case 0x2009:    /* THIN SPACE */
          case 0x200A:    /* HAIR SPACE */
          case 0x202f:    /* NARROW NO-BREAK SPACE */
          case 0x205f:    /* MEDIUM MATHEMATICAL SPACE */
          case 0x3000:    /* IDEOGRAPHIC SPACE */
          OK = TRUE;
          break;

          default:
          OK = FALSE;
          break;
          }

        if (OK == (d == OP_HSPACE))
          {
          if (codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSSTAR ||
              codevalue == OP_HSPACE_EXTRA + OP_TYPEPOSQUERY)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          ADD_NEW_DATA(-(state_offset + count), 0, 0);
          }
        }
      break;

      /*-----------------------------------------------------------------*/
#ifdef SUPPORT_UCP
      case OP_PROP_EXTRA + OP_TYPEEXACT:
      case OP_PROP_EXTRA + OP_TYPEUPTO:
      case OP_PROP_EXTRA + OP_TYPEMINUPTO:
      case OP_PROP_EXTRA + OP_TYPEPOSUPTO:
      if (codevalue != OP_PROP_EXTRA + OP_TYPEEXACT)
        { ADD_ACTIVE(state_offset + 6, 0); }
      count = current_state->count;  /* Number already matched */
      if (clen > 0)
        {
        BOOL OK;
        int category = _pcre_ucp_findprop(c, &chartype, &script);
        switch(code[4])
          {
          case PT_ANY:
          OK = TRUE;
          break;

          case PT_LAMP:
          OK = chartype == ucp_Lu || chartype == ucp_Ll || chartype == ucp_Lt;
          break;

          case PT_GC:
          OK = category == code[5];
          break;

          case PT_PC:
          OK = chartype == code[5];
          break;

          case PT_SC:
          OK = script == code[5];
          break;

          /* Should never occur, but keep compilers from grumbling. */

          default:
          OK = codevalue != OP_PROP;
          break;
          }

        if (OK == (d == OP_PROP))
          {
          if (codevalue == OP_PROP_EXTRA + OP_TYPEPOSUPTO)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          if (++count >= GET2(code, 1))
            { ADD_NEW(state_offset + 6, 0); }
          else
            { ADD_NEW(state_offset, count); }
          }
        }
      break;

      /*-----------------------------------------------------------------*/
      case OP_EXTUNI_EXTRA + OP_TYPEEXACT:
      case OP_EXTUNI_EXTRA + OP_TYPEUPTO:
      case OP_EXTUNI_EXTRA + OP_TYPEMINUPTO:
      case OP_EXTUNI_EXTRA + OP_TYPEPOSUPTO:
      if (codevalue != OP_EXTUNI_EXTRA + OP_TYPEEXACT)
        { ADD_ACTIVE(state_offset + 4, 0); }
      count = current_state->count;  /* Number already matched */
      if (clen > 0 && _pcre_ucp_findprop(c, &chartype, &script) != ucp_M)
        {
        const uschar *nptr = ptr + clen;
        int ncount = 0;
        if (codevalue == OP_EXTUNI_EXTRA + OP_TYPEPOSUPTO)
          {
          active_count--;           /* Remove non-match possibility */
          next_active_state--;
          }
        while (nptr < end_subject)
          {
          int nd;
          int ndlen = 1;
          GETCHARLEN(nd, nptr, ndlen);
          if (_pcre_ucp_findprop(nd, &chartype, &script) != ucp_M) break;
          ncount++;
          nptr += ndlen;
          }
        if (++count >= GET2(code, 1))
          { ADD_NEW_DATA(-(state_offset + 4), 0, ncount); }
        else
          { ADD_NEW_DATA(-state_offset, count, ncount); }
        }
      break;
#endif

      /*-----------------------------------------------------------------*/
      case OP_ANYNL_EXTRA + OP_TYPEEXACT:
      case OP_ANYNL_EXTRA + OP_TYPEUPTO:
      case OP_ANYNL_EXTRA + OP_TYPEMINUPTO:
      case OP_ANYNL_EXTRA + OP_TYPEPOSUPTO:
      if (codevalue != OP_ANYNL_EXTRA + OP_TYPEEXACT)
        { ADD_ACTIVE(state_offset + 4, 0); }
      count = current_state->count;  /* Number already matched */
      if (clen > 0)
        {
        int ncount = 0;
        switch (c)
          {
          case 0x000b:
          case 0x000c:
          case 0x0085:
          case 0x2028:
          case 0x2029:
          if ((md->moptions & PCRE_BSR_ANYCRLF) != 0) break;
          goto ANYNL03;

          case 0x000d:
          if (ptr + 1 < end_subject && ptr[1] == 0x0a) ncount = 1;
          /* Fall through */

          ANYNL03:
          case 0x000a:
          if (codevalue == OP_ANYNL_EXTRA + OP_TYPEPOSUPTO)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          if (++count >= GET2(code, 1))
            { ADD_NEW_DATA(-(state_offset + 4), 0, ncount); }
          else
            { ADD_NEW_DATA(-state_offset, count, ncount); }
          break;

          default:
          break;
          }
        }
      break;

      /*-----------------------------------------------------------------*/
      case OP_VSPACE_EXTRA + OP_TYPEEXACT:
      case OP_VSPACE_EXTRA + OP_TYPEUPTO:
      case OP_VSPACE_EXTRA + OP_TYPEMINUPTO:
      case OP_VSPACE_EXTRA + OP_TYPEPOSUPTO:
      if (codevalue != OP_VSPACE_EXTRA + OP_TYPEEXACT)
        { ADD_ACTIVE(state_offset + 4, 0); }
      count = current_state->count;  /* Number already matched */
      if (clen > 0)
        {
        BOOL OK;
        switch (c)
          {
          case 0x000a:
          case 0x000b:
          case 0x000c:
          case 0x000d:
          case 0x0085:
          case 0x2028:
          case 0x2029:
          OK = TRUE;
          break;

          default:
          OK = FALSE;
          }

        if (OK == (d == OP_VSPACE))
          {
          if (codevalue == OP_VSPACE_EXTRA + OP_TYPEPOSUPTO)
            {
            active_count--;           /* Remove non-match possibility */
            next_active_state--;
            }
          if (++count >= GET2(code, 1))
            { ADD_NEW_DATA(-(state_offset + 4), 0, 0); }
          else
            { ADD_NEW_DATA(-state_offset, count, 0); }
          }
        }
      break;

      /*-----------------------------------------------------------------*/
      case OP_HSPACE_EXTRA + OP_TYPEEXACT:
      case OP_HSPACE_EXTRA + OP_TYPEUPTO:
      case OP_HSPACE_EXTRA + OP_TYPEMINUPTO:
      case OP_HSPACE_EXTRA + OP_TYPEPOSUPTO:
      if (codevalue != OP_HSPACE_EXTRA + OP_TYPEEXACT)
        { ADD_ACTIVE(state_offset + 4, 0); }
      count = current_state->count;  /* Number already matched */
      if (clen > 0)
        {
        BOOL OK;
        switch (c)
          {
          case 0x09:      /* HT */
          case 0x20:      /* SPACE */
          case 0xa0:      /* NBSP */
          case 0x1680:    /* OGHAM SPACE MARK */
          case 0x180e:    /* MONGOLIAN VOWEL SEPARATOR */
          case 0x2000:    /* EN QUAD */
          case 0x2001:    /* EM QUAD */