diff options
Diffstat (limited to 're.c')
| -rw-r--r-- | re.c | 51 |
1 files changed, 50 insertions, 1 deletions
@@ -1279,6 +1279,55 @@ match_string(match) return RMATCH(match)->str; /* str is frozen */ } +/* + * call-seq: + * mtch.inspect => str + * + * Returns a printable version of <i>mtch</i>. + * + * puts /.$/.match("foo").inspect + * #=> #<MatchData "o"> + * + * puts /(.)(.)(.)/.match("foo").inspect + * #=> #<MatchData "foo" 1:"f" 2:"o" 3:"o"> + * + * puts /(.)(.)?(.)/.match("fo").inspect + * #=> #<MatchData "fo" 1:"f" 2:nil 3:"o"> + * + */ + +static VALUE +match_inspect(VALUE match) +{ + char *cname = rb_obj_classname(match); + VALUE str; + int i; + struct re_registers *regs = RMATCH(match)->regs; + int num_regs = regs->num_regs; + + str = rb_str_buf_new2("#<"); + rb_str_buf_cat2(str, cname); + + for (i = 0; i < num_regs; i++) { + VALUE v; + rb_str_buf_cat2(str, " "); + if (0 < i) { + char buf[sizeof(i)*3+1]; + snprintf(buf, sizeof(buf), "%d", i); + rb_str_buf_cat2(str, buf); + rb_str_buf_cat2(str, ":"); + } + v = rb_reg_nth_match(i, match); + if (v == Qnil) + rb_str_buf_cat2(str, "nil"); + else + rb_str_buf_append(str, rb_str_inspect(v)); + } + rb_str_buf_cat2(str, ">"); + + return str; +} + VALUE rb_cRegexp; static void @@ -2280,6 +2329,6 @@ Init_Regexp() rb_define_method(rb_cMatch, "pre_match", rb_reg_match_pre, 0); rb_define_method(rb_cMatch, "post_match", rb_reg_match_post, 0); rb_define_method(rb_cMatch, "to_s", match_to_s, 0); - rb_define_method(rb_cMatch, "inspect", rb_any_to_s, 0); /* in object.c */ + rb_define_method(rb_cMatch, "inspect", match_inspect, 0); rb_define_method(rb_cMatch, "string", match_string, 0); } |