/[pcre]/code/trunk/pcretest.c
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revision 236 by ph10, Tue Sep 11 12:57:06 2007 UTC revision 287 by ph10, Tue Dec 18 20:11:28 2007 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    #include <unistd.h>
53    #include <readline/readline.h>
54    #include <readline/history.h>
55    #endif
56    
57    
58  /* A number of things vary for Windows builds. Originally, pcretest opened its  /* A number of things vary for Windows builds. Originally, pcretest opened its
59  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 94  symbols to prevent clashes. */ Line 100  symbols to prevent clashes. */
100  #define _pcre_utf8_table4      utf8_table4  #define _pcre_utf8_table4      utf8_table4
101  #define _pcre_utt              utt  #define _pcre_utt              utt
102  #define _pcre_utt_size         utt_size  #define _pcre_utt_size         utt_size
103    #define _pcre_utt_names        utt_names
104  #define _pcre_OP_lengths       OP_lengths  #define _pcre_OP_lengths       OP_lengths
105    
106  #include "pcre_tables.c"  #include "pcre_tables.c"
# Line 188  optimal way of handling this, but hey, t Line 195  optimal way of handling this, but hey, t
195  Arguments:  Arguments:
196    f            the file to read    f            the file to read
197    start        where in buffer to start (this *must* be within buffer)    start        where in buffer to start (this *must* be within buffer)
198      prompt       for stdin or readline()
199    
200  Returns:       pointer to the start of new data  Returns:       pointer to the start of new data
201                 could be a copy of start, or could be moved                 could be a copy of start, or could be moved
# Line 195  Returns:       pointer to the start of n Line 203  Returns:       pointer to the start of n
203  */  */
204    
205  static uschar *  static uschar *
206  extend_inputline(FILE *f, uschar *start)  extend_inputline(FILE *f, uschar *start, const char *prompt)
207  {  {
208  uschar *here = start;  uschar *here = start;
209    
# Line 206  for (;;) Line 214  for (;;)
214    if (rlen > 1000)    if (rlen > 1000)
215      {      {
216      int dlen;      int dlen;
217      if (fgets((char *)here, rlen,  f) == NULL)  
218        return (here == start)? NULL : start;      /* If libreadline support is required, use readline() to read a line if the
219        input is a terminal. Note that readline() removes the trailing newline, so
220        we must put it back again, to be compatible with fgets(). */
221    
222    #ifdef SUPPORT_LIBREADLINE
223        if (isatty(fileno(f)))
224          {
225          size_t len;
226          char *s = readline(prompt);
227          if (s == NULL) return (here == start)? NULL : start;
228          len = strlen(s);
229          if (len > 0) add_history(s);
230          if (len > rlen - 1) len = rlen - 1;
231          memcpy(here, s, len);
232          here[len] = '\n';
233          here[len+1] = 0;
234          free(s);
235          }
236        else
237    #endif
238    
239        /* Read the next line by normal means, prompting if the file is stdin. */
240    
241          {
242          if (f == stdin) printf(prompt);
243          if (fgets((char *)here, rlen,  f) == NULL)
244            return (here == start)? NULL : start;
245          }
246    
247      dlen = (int)strlen((char *)here);      dlen = (int)strlen((char *)here);
248      if (dlen > 0 && here[dlen - 1] == '\n') return start;      if (dlen > 0 && here[dlen - 1] == '\n') return start;
249      here += dlen;      here += dlen;
# Line 727  return 0; Line 763  return 0;
763  static void  static void
764  usage(void)  usage(void)
765  {  {
766  printf("Usage:     pcretest [options] [<input> [<output>]]\n");  printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
767    printf("Input and output default to stdin and stdout.\n");
768    #ifdef SUPPORT_LIBREADLINE
769    printf("If input is a terminal, readline() is used to read from it.\n");
770    #else
771    printf("This version of pcretest is not linked with readline().\n");
772    #endif
773    printf("\nOptions:\n");
774  printf("  -b       show compiled code (bytecode)\n");  printf("  -b       show compiled code (bytecode)\n");
775  printf("  -C       show PCRE compile-time options and exit\n");  printf("  -C       show PCRE compile-time options and exit\n");
776  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 996  while (!done) Line 1039  while (!done)
1039    use_utf8 = 0;    use_utf8 = 0;
1040    debug_lengths = 1;    debug_lengths = 1;
1041    
1042    if (infile == stdin) printf("  re> ");    if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
   if (extend_inputline(infile, buffer) == NULL) break;  
1043    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1044    fflush(outfile);    fflush(outfile);
1045    
# Line 1097  while (!done) Line 1139  while (!done)
1139    
1140    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1141      {      {
1142      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1143      goto SKIP_DATA;      goto SKIP_DATA;
1144      }      }
1145    
# Line 1113  while (!done) Line 1155  while (!done)
1155        pp++;        pp++;
1156        }        }
1157      if (*pp != 0) break;      if (*pp != 0) break;
1158      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if ((pp = extend_inputline(infile, pp)) == NULL)  
1159        {        {
1160        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1161        done = 1;        done = 1;
# Line 1288  while (!done) Line 1329  while (!done)
1329          {          {
1330          for (;;)          for (;;)
1331            {            {
1332            if (extend_inputline(infile, buffer) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1333              {              {
1334              done = 1;              done = 1;
1335              goto CONTINUE;              goto CONTINUE;
# Line 1351  while (!done) Line 1392  while (!done)
1392      if (do_flip)      if (do_flip)
1393        {        {
1394        real_pcre *rre = (real_pcre *)re;        real_pcre *rre = (real_pcre *)re;
1395        rre->magic_number = byteflip(rre->magic_number, sizeof(rre->magic_number));        rre->magic_number =
1396            byteflip(rre->magic_number, sizeof(rre->magic_number));
1397        rre->size = byteflip(rre->size, sizeof(rre->size));        rre->size = byteflip(rre->size, sizeof(rre->size));
1398        rre->options = byteflip(rre->options, sizeof(rre->options));        rre->options = byteflip(rre->options, sizeof(rre->options));
1399        rre->flags = byteflip(rre->flags, sizeof(rre->flags));        rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1400        rre->top_bracket = byteflip(rre->top_bracket, sizeof(rre->top_bracket));        rre->top_bracket =
1401        rre->top_backref = byteflip(rre->top_backref, sizeof(rre->top_backref));          (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1402        rre->first_byte = byteflip(rre->first_byte, sizeof(rre->first_byte));        rre->top_backref =
1403        rre->req_byte = byteflip(rre->req_byte, sizeof(rre->req_byte));          (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1404        rre->name_table_offset = byteflip(rre->name_table_offset,        rre->first_byte =
1405            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1406          rre->req_byte =
1407            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1408          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1409          sizeof(rre->name_table_offset));          sizeof(rre->name_table_offset));
1410        rre->name_entry_size = byteflip(rre->name_entry_size,        rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1411          sizeof(rre->name_entry_size));          sizeof(rre->name_entry_size));
1412        rre->name_count = byteflip(rre->name_count, sizeof(rre->name_count));        rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1413            sizeof(rre->name_count));
1414    
1415        if (extra != NULL)        if (extra != NULL)
1416          {          {
# Line 1595  while (!done) Line 1642  while (!done)
1642        else        else
1643          {          {
1644          uschar sbuf[8];          uschar sbuf[8];
1645          sbuf[0] = (true_size >> 24)  & 255;          sbuf[0] = (uschar)((true_size >> 24) & 255);
1646          sbuf[1] = (true_size >> 16)  & 255;          sbuf[1] = (uschar)((true_size >> 16) & 255);
1647          sbuf[2] = (true_size >>  8)  & 255;          sbuf[2] = (uschar)((true_size >>  8) & 255);
1648          sbuf[3] = (true_size)  & 255;          sbuf[3] = (uschar)((true_size) & 255);
1649    
1650          sbuf[4] = (true_study_size >> 24)  & 255;          sbuf[4] = (uschar)((true_study_size >> 24) & 255);
1651          sbuf[5] = (true_study_size >> 16)  & 255;          sbuf[5] = (uschar)((true_study_size >> 16) & 255);
1652          sbuf[6] = (true_study_size >>  8)  & 255;          sbuf[6] = (uschar)((true_study_size >>  8) & 255);
1653          sbuf[7] = (true_study_size)  & 255;          sbuf[7] = (uschar)((true_study_size) & 255);
1654    
1655          if (fwrite(sbuf, 1, 8, f) < 8 ||          if (fwrite(sbuf, 1, 8, f) < 8 ||
1656              fwrite(re, 1, true_size, f) < true_size)              fwrite(re, 1, true_size, f) < true_size)
# Line 1677  while (!done) Line 1724  while (!done)
1724      len = 0;      len = 0;
1725      for (;;)      for (;;)
1726        {        {
1727        if (infile == stdin) printf("data> ");        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
       if (extend_inputline(infile, buffer + len) == NULL)  
1728          {          {
1729          if (len > 0) break;          if (len > 0) break;
1730          done = 1;          done = 1;

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