diff options
Diffstat (limited to 're.c')
| -rw-r--r-- | re.c | 37 |
1 files changed, 34 insertions, 3 deletions
@@ -76,7 +76,7 @@ str_cicmp(str1, str2) len = min(str1->len, str2->len); p1 = str1->ptr; p2 = str2->ptr; - + for (i = 0; i < len; i++, p1++, p2++) { if (casetable[*p1] != casetable[*p2]) return casetable[*p1] - casetable[*p2]; @@ -97,7 +97,7 @@ int len; /* Build a copy of the string (in dest) with the escaped characters translated, and generate the regex - from that. + from that. */ rp = ALLOC(Regexp); @@ -194,7 +194,7 @@ re_match_post() struct match *match; if (last_match.regs.start[0] == -1) return Qnil; - return str_new(last_match.ptr+last_match.regs.end[0], + return str_new(last_match.ptr+last_match.regs.end[0], last_match.len-last_match.regs.end[0]); } @@ -401,6 +401,36 @@ Sreg_new(argc, argv, self) } static VALUE +Sreg_quote(re, str) + VALUE re; + struct RString *str; +{ + char *s, *send, *t; + char *tmp; + + Check_Type(str, T_STRING); + + tmp = ALLOCA_N(char, str->len*2); + + s = str->ptr; send = s + str->len; + t = tmp; + + for (; s != send; s++) { + if (*s == '[' || *s == ']' + || *s == '{' || *s == '}' + || *s == '(' || *s == ')' + || *s == '*' || *s == '.' || *s == '\\' + || *s == '?' || *s == '+' + || *s == '^' || *s == '$') { + *t++ = '\\'; + } + *t++ = *s; + } + + return str_new(tmp, t - tmp); +} + +static VALUE Freg_clone(re) struct RRegexp *re; { @@ -549,6 +579,7 @@ Init_Regexp() C_Regexp = rb_define_class("Regexp", C_Object); rb_define_single_method(C_Regexp, "new", Sreg_new, -1); rb_define_single_method(C_Regexp, "compile", Sreg_new, -1); + rb_define_single_method(C_Regexp, "quote", Sreg_quote, 1); rb_define_method(C_Regexp, "=~", Freg_match, 1); rb_define_method(C_Regexp, "~", Freg_match2, 0); |