Mercurial > hg > octave-nkf
diff src/DLD-FUNCTIONS/regexp.cc @ 8619:930a8114197b
For zero length matches in regexp, advance index by one and try again
| author | David Bateman <dbateman@free.fr> |
|---|---|
| date | Wed, 28 Jan 2009 23:43:27 +0100 |
| parents | 433e788a015b |
| children | eb63fbe60fab |
line wrap: on
line diff
--- a/src/DLD-FUNCTIONS/regexp.cc +++ b/src/DLD-FUNCTIONS/regexp.cc @@ -314,7 +314,7 @@ for (; i < max_length + 1; i++) { - buf <<pattern.substr(new_pos, tmp_pos3 - new_pos) + buf << pattern.substr(new_pos, tmp_pos3 - new_pos) << "{" << i << "}"; buf << pattern.substr(tmp_pos3 + 1, tmp_pos1 - tmp_pos3 - 1); @@ -421,7 +421,11 @@ else if (matches == PCRE_ERROR_NOMATCH) break; else if (ovector[1] <= ovector[0]) - break; + { + // FIXME: Zero sized match!! Is this the right thing to do? + idx = ovector[0] + 1; + continue; + } else { int pos_match = 0; @@ -516,6 +520,9 @@ while (matches < subexpr && match[matches].rm_so >= 0) matches++; + if (matches == 0 || match[0].rm_eo == 0) + break; + s = double (match[0].rm_so+1+idx); e = double (match[0].rm_eo+idx); Matrix te(matches-1,2);