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range.c: move String specific code

* range.c (range_include): call rb_str_include_range_p on String.

* string.c (str_upto_each): extract from rb_str_upto.

* string.c (rb_str_include_range_p): move String specific code
  from Range#include? in range.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50502 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-05-15 12:39:56 +00:00
parent d28001f01a
commit 80e0ef3a81
2 changed files with 81 additions and 28 deletions

23
range.c
View file

@ -174,7 +174,7 @@ range_eq(VALUE range, VALUE obj)
/* compares _a_ and _b_ and returns:
* < 0: a < b
* = 0: a = b
* > 0: a > b or not-comparable
* > 0: a > b or non-comparable
*/
static int
r_less(VALUE a, VALUE b)
@ -1165,24 +1165,9 @@ range_include(VALUE range, VALUE val)
!NIL_P(rb_check_to_integer(end, "to_int"))) {
return r_cover_p(range, beg, end, val);
}
else if (RB_TYPE_P(beg, T_STRING) && RB_TYPE_P(end, T_STRING) &&
RSTRING_LEN(beg) == 1 && RSTRING_LEN(end) == 1) {
if (NIL_P(val)) return Qfalse;
if (RB_TYPE_P(val, T_STRING)) {
if (RSTRING_LEN(val) == 0 || RSTRING_LEN(val) > 1)
return Qfalse;
else {
char b = RSTRING_PTR(beg)[0];
char e = RSTRING_PTR(end)[0];
char v = RSTRING_PTR(val)[0];
if (ISASCII(b) && ISASCII(e) && ISASCII(v)) {
if (b <= v && v < e) return Qtrue;
if (!EXCL(range) && v == e) return Qtrue;
return Qfalse;
}
}
}
else if (RB_TYPE_P(beg, T_STRING) && RB_TYPE_P(end, T_STRING)) {
VALUE rb_str_include_range_p(VALUE beg, VALUE end, VALUE val, VALUE exclusive);
return rb_str_include_range_p(beg, end, val, RANGE_EXCL(range));
}
/* TODO: ruby_frame->this_func = rb_intern("include?"); */
return rb_call_super(1, &val);

View file

@ -3459,6 +3459,15 @@ all_digits_p(const char *s, long len)
return 1;
}
static VALUE str_upto_each(VALUE beg, VALUE end, int excl, int (*each)(VALUE, VALUE), VALUE);
static int
str_upto_i(VALUE str, VALUE arg)
{
rb_yield(str);
return 0;
}
/*
* call-seq:
* str.upto(other_str, exclusive=false) {|s| block } -> str
@ -3495,14 +3504,20 @@ static VALUE
rb_str_upto(int argc, VALUE *argv, VALUE beg)
{
VALUE end, exclusive;
VALUE current, after_end;
ID succ;
int n, excl, ascii;
rb_encoding *enc;
rb_scan_args(argc, argv, "11", &end, &exclusive);
RETURN_ENUMERATOR(beg, argc, argv);
excl = RTEST(exclusive);
return str_upto_each(beg, end, RTEST(exclusive), str_upto_i, Qnil);
}
static VALUE
str_upto_each(VALUE beg, VALUE end, int excl, int (*each)(VALUE, VALUE), VALUE arg)
{
VALUE current, after_end;
ID succ;
int n, ascii;
rb_encoding *enc;
CONST_ID(succ, "succ");
StringValue(end);
enc = rb_enc_check(beg, end);
@ -3514,7 +3529,7 @@ rb_str_upto(int argc, VALUE *argv, VALUE beg)
if (c > e || (excl && c == e)) return beg;
for (;;) {
rb_yield(rb_enc_str_new(&c, 1, enc));
if ((*each)(rb_enc_str_new(&c, 1, enc), arg)) break;
if (!excl && c == e) break;
c++;
if (excl && c == e) break;
@ -3538,7 +3553,7 @@ rb_str_upto(int argc, VALUE *argv, VALUE beg)
while (bi <= ei) {
if (excl && bi == ei) break;
rb_yield(rb_enc_sprintf(usascii, "%.*ld", width, bi));
if ((*each)(rb_enc_sprintf(usascii, "%.*ld", width, bi), arg)) break;
bi++;
}
}
@ -3549,7 +3564,7 @@ rb_str_upto(int argc, VALUE *argv, VALUE beg)
args[0] = INT2FIX(width);
while (rb_funcall(b, op, 1, e)) {
args[1] = b;
rb_yield(rb_str_format(numberof(args), args, fmt));
if ((*each)(rb_str_format(numberof(args), args, fmt), arg)) break;
b = rb_funcallv(b, succ, 0, 0);
}
}
@ -3565,7 +3580,7 @@ rb_str_upto(int argc, VALUE *argv, VALUE beg)
VALUE next = Qnil;
if (excl || !rb_str_equal(current, end))
next = rb_funcallv(current, succ, 0, 0);
rb_yield(current);
if ((*each)(current, arg)) break;
if (NIL_P(next)) break;
current = next;
StringValue(current);
@ -3577,6 +3592,59 @@ rb_str_upto(int argc, VALUE *argv, VALUE beg)
return beg;
}
static int
include_range_i(VALUE str, VALUE arg)
{
VALUE *argp = (VALUE *)arg;
if (!rb_equal(str, *argp)) return 0;
*argp = Qnil;
return 1;
}
VALUE
rb_str_include_range_p(VALUE beg, VALUE end, VALUE val, VALUE exclusive)
{
beg = rb_str_new_frozen(beg);
StringValue(end);
end = rb_str_new_frozen(end);
if (NIL_P(val)) return Qfalse;
val = rb_check_string_type(val);
if (NIL_P(val)) return Qfalse;
if (rb_enc_asciicompat(STR_ENC_GET(beg)) &&
rb_enc_asciicompat(STR_ENC_GET(end)) &&
rb_enc_asciicompat(STR_ENC_GET(val))) {
const char *bp = RSTRING_PTR(beg);
const char *ep = RSTRING_PTR(end);
const char *vp = RSTRING_PTR(val);
if (RSTRING_LEN(beg) == 1 && RSTRING_LEN(end) == 1) {
if (RSTRING_LEN(val) == 0 || RSTRING_LEN(val) > 1)
return Qfalse;
else {
char b = *bp;
char e = *ep;
char v = *vp;
if (ISASCII(b) && ISASCII(e) && ISASCII(v)) {
if (b <= v && v < e) return Qtrue;
if (!RTEST(exclusive) && v == e) return Qtrue;
return Qfalse;
}
}
}
#if 0
/* both edges are all digits */
if (ISDIGIT(*bp) && ISDIGIT(*ep) &&
all_digits_p(bp, RSTRING_LEN(beg)) &&
all_digits_p(ep, RSTRING_LEN(end))) {
/* TODO */
}
#endif
}
str_upto_each(beg, end, RTEST(exclusive), include_range_i, (VALUE)&val);
return NIL_P(val) ? Qtrue : Qfalse;
}
static VALUE
rb_str_subpat(VALUE str, VALUE re, VALUE backref)
{