--- code/trunk/pcretest.c 2007/03/02 13:10:43 96 +++ code/trunk/pcretest.c 2007/04/17 08:22:40 150 @@ -67,13 +67,16 @@ #endif -#define PCRE_SPY /* For Win32 build, import data, not export */ - -/* We include pcre_internal.h because we need the internal info for displaying -the results of pcre_study() and we also need to know about the internal -macros, structures, and other internal data values; pcretest has "inside -information" compared to a program that strictly follows the PCRE API. */ +/* We have to include pcre_internal.h because we need the internal info for +displaying the results of pcre_study() and we also need to know about the +internal macros, structures, and other internal data values; pcretest has +"inside information" compared to a program that strictly follows the PCRE API. + +Although pcre_internal.h does itself include pcre.h, we explicitly include it +here before pcre_internal.h so that the PCRE_EXP_xxx macros get set +appropriately for an application, not for building PCRE. */ +#include "pcre.h" #include "pcre_internal.h" /* We need access to the data tables that PCRE uses. So as not to have to keep @@ -114,10 +117,17 @@ #include "pcreposix.h" #endif -/* It is also possible, for the benefit of the version imported into Exim, to -build pcretest without support for UTF8 (define NOUTF8), without the interface -to the DFA matcher (NODFA), and without the doublecheck of the old "info" -function (define NOINFOCHECK). */ +/* It is also possible, for the benefit of the version currently imported into +Exim, to build pcretest without support for UTF8 (define NOUTF8), without the +interface to the DFA matcher (NODFA), and without the doublecheck of the old +"info" function (define NOINFOCHECK). In fact, we automatically cut out the +UTF8 support if PCRE is built without it. */ + +#ifndef SUPPORT_UTF8 +#ifndef NOUTF8 +#define NOUTF8 +#endif +#endif /* Other parameters */ @@ -653,7 +663,8 @@ *************************************************/ /* This is used both at compile and run-time to check for escapes, where -xxx is LF, CR, CRLF, or ANY. Print a message and return 0 if there is no match. +xxx is LF, CR, CRLF, ANYCRLF, or ANY. Print a message and return 0 if there is +no match. Arguments: p points after the leading '<' @@ -668,6 +679,7 @@ if (strncmp((char *)p, "cr>", 3) == 0) return PCRE_NEWLINE_CR; if (strncmp((char *)p, "lf>", 3) == 0) return PCRE_NEWLINE_LF; if (strncmp((char *)p, "crlf>", 5) == 0) return PCRE_NEWLINE_CRLF; +if (strncmp((char *)p, "anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF; if (strncmp((char *)p, "any>", 4) == 0) return PCRE_NEWLINE_ANY; fprintf(f, "Unknown newline type at: <%s\n", p); return 0; @@ -840,6 +852,7 @@ (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc); printf(" Newline sequence is %s\n", (rc == '\r')? "CR" : (rc == '\n')? "LF" : (rc == ('\r'<<8 | '\n'))? "CRLF" : + (rc == -2)? "ANYCRLF" : (rc == -1)? "ANY" : "???"); (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc); printf(" Internal link size = %d\n", rc); @@ -851,7 +864,7 @@ printf(" Default recursion depth limit = %d\n", rc); (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc); printf(" Match recursion uses %s\n", rc? "stack" : "heap"); - exit(0); + goto EXIT; } else if (strcmp(argv[op], "-help") == 0 || strcmp(argv[op], "--help") == 0) @@ -937,6 +950,7 @@ size_t size, regex_gotten_store; int do_study = 0; int do_debug = debug; + int debug_lengths = 1; int do_G = 0; int do_g = 0; int do_showinfo = showinfo; @@ -1127,6 +1141,7 @@ case 'S': do_study = 1; break; case 'U': options |= PCRE_UNGREEDY; break; case 'X': options |= PCRE_EXTRA; break; + case 'Z': debug_lengths = 0; break; case '8': options |= PCRE_UTF8; use_utf8 = 1; break; case '?': options |= PCRE_NO_UTF8_CHECK; break; @@ -1328,7 +1343,7 @@ if (do_debug) { fprintf(outfile, "------------------------------------------------------------------\n"); - pcre_printint(re, outfile); + pcre_printint(re, outfile, debug_lengths); } if (do_showinfo) @@ -1433,6 +1448,10 @@ fprintf(outfile, "Forced newline sequence: CRLF\n"); break; + case PCRE_NEWLINE_ANYCRLF: + fprintf(outfile, "Forced newline sequence: ANYCRLF\n"); + break; + case PCRE_NEWLINE_ANY: fprintf(outfile, "Forced newline sequence: ANY\n"); break; @@ -1582,7 +1601,7 @@ for (;;) { uschar *q; - uschar *bptr = dbuffer; + uschar *bptr; int *use_offsets = offsets; int use_size_offsets = size_offsets; int callout_data = 0; @@ -1638,7 +1657,7 @@ p = buffer; while (isspace(*p)) p++; - q = dbuffer; + bptr = q = dbuffer; while ((c = *p++) != 0) { int i = 0; @@ -2202,19 +2221,44 @@ } /* Failed to match. If this is a /g or /G loop and we previously set - g_notempty after a null match, this is not necessarily the end. - We want to advance the start offset, and continue. In the case of UTF-8 - matching, the advance must be one character, not one byte. Fudge the - offset values to achieve this. We won't be at the end of the string - - that was checked before setting g_notempty. */ + g_notempty after a null match, this is not necessarily the end. We want + to advance the start offset, and continue. We won't be at the end of the + string - that was checked before setting g_notempty. + + Complication arises in the case when the newline option is "any" or + "anycrlf". If the previous match was at the end of a line terminated by + CRLF, an advance of one character just passes the \r, whereas we should + prefer the longer newline sequence, as does the code in pcre_exec(). + Fudge the offset value to achieve this. + + Otherwise, in the case of UTF-8 matching, the advance must be one + character, not one byte. */ else { if (g_notempty != 0) { int onechar = 1; + unsigned int obits = ((real_pcre *)re)->options; use_offsets[0] = start_offset; - if (use_utf8) + if ((obits & PCRE_NEWLINE_BITS) == 0) + { + int d; + (void)pcre_config(PCRE_CONFIG_NEWLINE, &d); + obits = (d == '\r')? PCRE_NEWLINE_CR : + (d == '\n')? PCRE_NEWLINE_LF : + (d == ('\r'<<8 | '\n'))? PCRE_NEWLINE_CRLF : + (d == -2)? PCRE_NEWLINE_ANYCRLF : + (d == -1)? PCRE_NEWLINE_ANY : 0; + } + if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY || + (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF) + && + start_offset < len - 1 && + bptr[start_offset] == '\r' && + bptr[start_offset+1] == '\n') + onechar++; + else if (use_utf8) { while (start_offset + onechar < len) { @@ -2249,6 +2293,7 @@ character. */ g_notempty = 0; + if (use_offsets[0] == use_offsets[1]) { if (use_offsets[0] == len) break;