/[pcre]/code/trunk/pcretest.c
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revision 240 by ph10, Tue Sep 11 15:47:20 2007 UTC revision 358 by ph10, Wed Jul 9 11:03:07 2008 UTC
# Line 48  POSSIBILITY OF SUCH DAMAGE. Line 48  POSSIBILITY OF SUCH DAMAGE.
48  #include <locale.h>  #include <locale.h>
49  #include <errno.h>  #include <errno.h>
50    
51    #ifdef SUPPORT_LIBREADLINE
52    #ifdef HAVE_UNISTD_H
53    #include <unistd.h>
54    #endif
55    #include <readline/readline.h>
56    #include <readline/history.h>
57    #endif
58    
59    
60  /* A number of things vary for Windows builds. Originally, pcretest opened its  /* A number of things vary for Windows builds. Originally, pcretest opened its
61  input and output without "b"; then I was told that "b" was needed in some  input and output without "b"; then I was told that "b" was needed in some
# Line 63  input mode under Windows. */ Line 71  input mode under Windows. */
71  #define INPUT_MODE   "r"  #define INPUT_MODE   "r"
72  #define OUTPUT_MODE  "wb"  #define OUTPUT_MODE  "wb"
73    
74    #define isatty _isatty         /* This is what Windows calls them, I'm told */
75    #define fileno _fileno
76    
77  #else  #else
78  #include <sys/time.h>          /* These two includes are needed */  #include <sys/time.h>          /* These two includes are needed */
79  #include <sys/resource.h>      /* for setrlimit(). */  #include <sys/resource.h>      /* for setrlimit(). */
# Line 83  appropriately for an application, not fo Line 94  appropriately for an application, not fo
94  #include "pcre.h"  #include "pcre.h"
95  #include "pcre_internal.h"  #include "pcre_internal.h"
96    
97  /* We need access to the data tables that PCRE uses. So as not to have to keep  /* We need access to some of the data tables that PCRE uses. So as not to have
98  two copies, we include the source file here, changing the names of the external  to keep two copies, we include the source file here, changing the names of the
99  symbols to prevent clashes. */  external symbols to prevent clashes. */
100    
101    #define _pcre_ucp_gentype      ucp_gentype
102  #define _pcre_utf8_table1      utf8_table1  #define _pcre_utf8_table1      utf8_table1
103  #define _pcre_utf8_table1_size utf8_table1_size  #define _pcre_utf8_table1_size utf8_table1_size
104  #define _pcre_utf8_table2      utf8_table2  #define _pcre_utf8_table2      utf8_table2
# Line 189  optimal way of handling this, but hey, t Line 201  optimal way of handling this, but hey, t
201  Arguments:  Arguments:
202    f            the file to read    f            the file to read
203    start        where in buffer to start (this *must* be within buffer)    start        where in buffer to start (this *must* be within buffer)
204      prompt       for stdin or readline()
205    
206  Returns:       pointer to the start of new data  Returns:       pointer to the start of new data
207                 could be a copy of start, or could be moved                 could be a copy of start, or could be moved
# Line 196  Returns: pointer to the start of n Line 209  Returns: pointer to the start of n
209  */  */
210    
211  static uschar *  static uschar *
212  extend_inputline(FILE *f, uschar *start)  extend_inputline(FILE *f, uschar *start, const char *prompt)
213  {  {
214  uschar *here = start;  uschar *here = start;
215    
# Line 207  for (;;) Line 220  for (;;)
220    if (rlen > 1000)    if (rlen > 1000)
221      {      {
222      int dlen;      int dlen;
223      if (fgets((char *)here, rlen,  f) == NULL)  
224        return (here == start)? NULL : start;      /* If libreadline support is required, use readline() to read a line if the
225        input is a terminal. Note that readline() removes the trailing newline, so
226        we must put it back again, to be compatible with fgets(). */
227    
228    #ifdef SUPPORT_LIBREADLINE
229        if (isatty(fileno(f)))
230          {
231          size_t len;
232          char *s = readline(prompt);
233          if (s == NULL) return (here == start)? NULL : start;
234          len = strlen(s);
235          if (len > 0) add_history(s);
236          if (len > rlen - 1) len = rlen - 1;
237          memcpy(here, s, len);
238          here[len] = '\n';
239          here[len+1] = 0;
240          free(s);
241          }
242        else
243    #endif
244    
245        /* Read the next line by normal means, prompting if the file is stdin. */
246    
247          {
248          if (f == stdin) printf(prompt);
249          if (fgets((char *)here, rlen,  f) == NULL)
250            return (here == start)? NULL : start;
251          }
252    
253      dlen = (int)strlen((char *)here);      dlen = (int)strlen((char *)here);
254      if (dlen > 0 && here[dlen - 1] == '\n') return start;      if (dlen > 0 && here[dlen - 1] == '\n') return start;
255      here += dlen;      here += dlen;
# Line 728  return 0; Line 769  return 0;
769  static void  static void
770  usage(void)  usage(void)
771  {  {
772  printf("Usage:     pcretest [options] [<input> [<output>]]\n");  printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
773    printf("Input and output default to stdin and stdout.\n");
774    #ifdef SUPPORT_LIBREADLINE
775    printf("If input is a terminal, readline() is used to read from it.\n");
776    #else
777    printf("This version of pcretest is not linked with readline().\n");
778    #endif
779    printf("\nOptions:\n");
780  printf("  -b       show compiled code (bytecode)\n");  printf("  -b       show compiled code (bytecode)\n");
781  printf("  -C       show PCRE compile-time options and exit\n");  printf("  -C       show PCRE compile-time options and exit\n");
782  printf("  -d       debug: show compiled code and information (-b and -i)\n");  printf("  -d       debug: show compiled code and information (-b and -i)\n");
# Line 997  while (!done) Line 1045  while (!done)
1045    use_utf8 = 0;    use_utf8 = 0;
1046    debug_lengths = 1;    debug_lengths = 1;
1047    
1048    if (infile == stdin) printf("  re> ");    if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
   if (extend_inputline(infile, buffer) == NULL) break;  
1049    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1050    fflush(outfile);    fflush(outfile);
1051    
# Line 1098  while (!done) Line 1145  while (!done)
1145    
1146    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1147      {      {
1148      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1149      goto SKIP_DATA;      goto SKIP_DATA;
1150      }      }
1151    
# Line 1114  while (!done) Line 1161  while (!done)
1161        pp++;        pp++;
1162        }        }
1163      if (*pp != 0) break;      if (*pp != 0) break;
1164      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if ((pp = extend_inputline(infile, pp)) == NULL)  
1165        {        {
1166        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1167        done = 1;        done = 1;
# Line 1207  while (!done) Line 1253  while (!done)
1253    
1254        case '<':        case '<':
1255          {          {
1256          int x = check_newline(pp, outfile);          if (strncmp((char *)pp, "JS>", 3) == 0)
1257          if (x == 0) goto SKIP_DATA;            {
1258          options |= x;            options |= PCRE_JAVASCRIPT_COMPAT;
1259          while (*pp++ != '>');            pp += 3;
1260              }
1261            else
1262              {
1263              int x = check_newline(pp, outfile);
1264              if (x == 0) goto SKIP_DATA;
1265              options |= x;
1266              while (*pp++ != '>');
1267              }
1268          }          }
1269        break;        break;
1270    
# Line 1289  while (!done) Line 1343  while (!done)
1343          {          {
1344          for (;;)          for (;;)
1345            {            {
1346            if (extend_inputline(infile, buffer) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1347              {              {
1348              done = 1;              done = 1;
1349              goto CONTINUE;              goto CONTINUE;
# Line 1352  while (!done) Line 1406  while (!done)
1406      if (do_flip)      if (do_flip)
1407        {        {
1408        real_pcre *rre = (real_pcre *)re;        real_pcre *rre = (real_pcre *)re;
1409        rre->magic_number = byteflip(rre->magic_number, sizeof(rre->magic_number));        rre->magic_number =
1410            byteflip(rre->magic_number, sizeof(rre->magic_number));
1411        rre->size = byteflip(rre->size, sizeof(rre->size));        rre->size = byteflip(rre->size, sizeof(rre->size));
1412        rre->options = byteflip(rre->options, sizeof(rre->options));        rre->options = byteflip(rre->options, sizeof(rre->options));
1413        rre->flags = byteflip(rre->flags, sizeof(rre->flags));        rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1414        rre->top_bracket = byteflip(rre->top_bracket, sizeof(rre->top_bracket));        rre->top_bracket =
1415        rre->top_backref = byteflip(rre->top_backref, sizeof(rre->top_backref));          (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1416        rre->first_byte = byteflip(rre->first_byte, sizeof(rre->first_byte));        rre->top_backref =
1417        rre->req_byte = byteflip(rre->req_byte, sizeof(rre->req_byte));          (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1418        rre->name_table_offset = byteflip(rre->name_table_offset,        rre->first_byte =
1419            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1420          rre->req_byte =
1421            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1422          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1423          sizeof(rre->name_table_offset));          sizeof(rre->name_table_offset));
1424        rre->name_entry_size = byteflip(rre->name_entry_size,        rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1425          sizeof(rre->name_entry_size));          sizeof(rre->name_entry_size));
1426        rre->name_count = byteflip(rre->name_count, sizeof(rre->name_count));        rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1427            sizeof(rre->name_count));
1428    
1429        if (extra != NULL)        if (extra != NULL)
1430          {          {
# Line 1596  while (!done) Line 1656  while (!done)
1656        else        else
1657          {          {
1658          uschar sbuf[8];          uschar sbuf[8];
1659          sbuf[0] = (true_size >> 24)  & 255;          sbuf[0] = (uschar)((true_size >> 24) & 255);
1660          sbuf[1] = (true_size >> 16)  & 255;          sbuf[1] = (uschar)((true_size >> 16) & 255);
1661          sbuf[2] = (true_size >>  8)  & 255;          sbuf[2] = (uschar)((true_size >>  8) & 255);
1662          sbuf[3] = (true_size)  & 255;          sbuf[3] = (uschar)((true_size) & 255);
1663    
1664          sbuf[4] = (true_study_size >> 24)  & 255;          sbuf[4] = (uschar)((true_study_size >> 24) & 255);
1665          sbuf[5] = (true_study_size >> 16)  & 255;          sbuf[5] = (uschar)((true_study_size >> 16) & 255);
1666          sbuf[6] = (true_study_size >>  8)  & 255;          sbuf[6] = (uschar)((true_study_size >>  8) & 255);
1667          sbuf[7] = (true_study_size)  & 255;          sbuf[7] = (uschar)((true_study_size) & 255);
1668    
1669          if (fwrite(sbuf, 1, 8, f) < 8 ||          if (fwrite(sbuf, 1, 8, f) < 8 ||
1670              fwrite(re, 1, true_size, f) < true_size)              fwrite(re, 1, true_size, f) < true_size)
# Line 1678  while (!done) Line 1738  while (!done)
1738      len = 0;      len = 0;
1739      for (;;)      for (;;)
1740        {        {
1741        if (infile == stdin) printf("data> ");        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
       if (extend_inputline(infile, buffer + len) == NULL)  
1742          {          {
1743          if (len > 0) break;          if (len > 0) break;
1744          done = 1;          done = 1;
# Line 1747  while (!done) Line 1806  while (!done)
1806              {              {
1807              unsigned char buff8[8];              unsigned char buff8[8];
1808              int ii, utn;              int ii, utn;
1809              utn = ord2utf8(c, buff8);              if (use_utf8)
1810              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];                {
1811              c = buff8[ii];   /* Last byte */                utn = ord2utf8(c, buff8);
1812                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
1813                  c = buff8[ii];   /* Last byte */
1814                  }
1815                else
1816                 {
1817                 if (c > 255)
1818                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
1819                     "UTF-8 mode is not enabled.\n"
1820                     "** Truncation will probably give the wrong result.\n", c);
1821                 }
1822              p = pt + 1;              p = pt + 1;
1823              break;              break;
1824              }              }
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