diff options
Diffstat (limited to 'src/string.c')
| -rw-r--r-- | src/string.c | 146 |
1 files changed, 55 insertions, 91 deletions
diff --git a/src/string.c b/src/string.c index 2668a2c85..f043bfd5a 100644 --- a/src/string.c +++ b/src/string.c @@ -20,6 +20,7 @@ #include <mruby/class.h> #include <mruby/range.h> #include <mruby/string.h> +#include <mruby/numeric.h> #include <mruby/re.h> typedef struct mrb_shared_string { @@ -156,13 +157,6 @@ mrb_str_new(mrb_state *mrb, const char *p, size_t len) return mrb_obj_value(str_new(mrb, p, len)); } -/* - * call-seq: (Caution! NULL string) - * String.new(str="") => new_str - * - * Returns a new string object containing a copy of <i>str</i>. - */ - MRB_API mrb_value mrb_str_new_cstr(mrb_state *mrb, const char *p) { @@ -238,27 +232,36 @@ utf8len(const char* p, const char* e) return len; } -static mrb_int -utf8_strlen(mrb_value str, mrb_int len) +mrb_int +mrb_utf8_len(const char *str, mrb_int byte_len) { mrb_int total = 0; - char* p = RSTRING_PTR(str); - char* e = p; - if (RSTRING(str)->flags & MRB_STR_NO_UTF) { - return RSTRING_LEN(str); - } - e += len < 0 ? RSTRING_LEN(str) : len; - while (p<e) { + const char *p = str; + const char *e = p + byte_len; + + while (p < e) { p += utf8len(p, e); total++; } - if (RSTRING_LEN(str) == total) { - RSTRING(str)->flags |= MRB_STR_NO_UTF; - } return total; } -#define RSTRING_CHAR_LEN(s) utf8_strlen(s, -1) +static mrb_int +utf8_strlen(mrb_value str) +{ + mrb_int byte_len = RSTRING_LEN(str); + + if (RSTRING(str)->flags & MRB_STR_NO_UTF) { + return byte_len; + } + else { + mrb_int utf8_len = mrb_utf8_len(RSTRING_PTR(str), byte_len); + if (byte_len == utf8_len) RSTRING(str)->flags |= MRB_STR_NO_UTF; + return utf8_len; + } +} + +#define RSTRING_CHAR_LEN(s) utf8_strlen(s) /* map character index to byte offset index */ static mrb_int @@ -490,20 +493,12 @@ str_index_str(mrb_state *mrb, mrb_value str, mrb_value str2, mrb_int offset) return mrb_str_index(mrb, str, ptr, len, offset); } -static void -check_frozen(mrb_state *mrb, struct RString *s) -{ - if (MRB_FROZEN_P(s)) { - mrb_raise(mrb, E_FROZEN_ERROR, "can't modify frozen string"); - } -} - static mrb_value str_replace(mrb_state *mrb, struct RString *s1, struct RString *s2) { mrb_int len; - check_frozen(mrb, s1); + mrb_check_frozen(mrb, s1); if (s1 == s2) return mrb_obj_value(s1); s1->flags &= ~MRB_STR_NO_UTF; s1->flags |= s2->flags&MRB_STR_NO_UTF; @@ -643,7 +638,7 @@ mrb_locale_from_utf8(const char *utf8, int len) MRB_API void mrb_str_modify(mrb_state *mrb, struct RString *s) { - check_frozen(mrb, s); + mrb_check_frozen(mrb, s); s->flags &= ~MRB_STR_NO_UTF; if (RSTR_SHARED_P(s)) { mrb_shared_string *shared = s->as.heap.aux.shared; @@ -739,12 +734,6 @@ mrb_str_to_cstr(mrb_state *mrb, mrb_value str0) return RSTR_PTR(s); } -/* - * call-seq: (Caution! String("abcd") change) - * String("abcdefg") = String("abcd") + String("efg") - * - * Returns a new string object containing a copy of <i>str</i>. - */ MRB_API void mrb_str_concat(mrb_state *mrb, mrb_value self, mrb_value other) { @@ -752,12 +741,6 @@ mrb_str_concat(mrb_state *mrb, mrb_value self, mrb_value other) mrb_str_cat_str(mrb, self, other); } -/* - * call-seq: (Caution! String("abcd") remain) - * String("abcdefg") = String("abcd") + String("efg") - * - * Returns a new string object containing a copy of <i>str</i>. - */ MRB_API mrb_value mrb_str_plus(mrb_state *mrb, mrb_value a, mrb_value b) { @@ -775,10 +758,13 @@ mrb_str_plus(mrb_state *mrb, mrb_value a, mrb_value b) /* 15.2.10.5.2 */ /* - * call-seq: (Caution! String("abcd") remain) for stack_argument - * String("abcdefg") = String("abcd") + String("efg") + * call-seq: + * str + other_str -> new_str * - * Returns a new string object containing a copy of <i>str</i>. + * Concatenation---Returns a new <code>String</code> containing + * <i>other_str</i> concatenated to <i>str</i>. + * + * "Hello from " + self.to_s #=> "Hello from main" */ static mrb_value mrb_str_plus_m(mrb_state *mrb, mrb_value self) @@ -979,13 +965,22 @@ mrb_str_equal_m(mrb_state *mrb, mrb_value str1) return mrb_bool_value(mrb_str_equal(mrb, str1, str2)); } /* ---------------------------------- */ +mrb_value mrb_mod_to_s(mrb_state *mrb, mrb_value klass); + MRB_API mrb_value mrb_str_to_str(mrb_state *mrb, mrb_value str) { - if (!mrb_string_p(str)) { + switch (mrb_type(str)) { + case MRB_TT_STRING: + return str; + case MRB_TT_FIXNUM: + return mrb_fixnum_to_str(mrb, str, 10); + case MRB_TT_CLASS: + case MRB_TT_MODULE: + return mrb_mod_to_s(mrb, str); + default: return mrb_convert_type(mrb, str, MRB_TT_STRING, "String", "to_s"); } - return str; } MRB_API const char* @@ -1002,20 +997,6 @@ mrb_string_value_len(mrb_state *mrb, mrb_value ptr) return RSTRING_LEN(ptr); } -void -mrb_noregexp(mrb_state *mrb, mrb_value self) -{ - mrb_raise(mrb, E_NOTIMP_ERROR, "Regexp class not implemented"); -} - -void -mrb_regexp_check(mrb_state *mrb, mrb_value obj) -{ - if (mrb_regexp_p(mrb, obj)) { - mrb_noregexp(mrb, obj); - } -} - MRB_API mrb_value mrb_str_dup(mrb_state *mrb, mrb_value str) { @@ -1031,7 +1012,6 @@ mrb_str_aref(mrb_state *mrb, mrb_value str, mrb_value indx) { mrb_int idx; - mrb_regexp_check(mrb, indx); switch (mrb_type(indx)) { case MRB_TT_FIXNUM: idx = mrb_fixnum(indx); @@ -1124,13 +1104,9 @@ mrb_str_aref_m(mrb_state *mrb, mrb_value str) if (argc == 2) { mrb_int n1, n2; - mrb_regexp_check(mrb, a1); mrb_get_args(mrb, "ii", &n1, &n2); return str_substr(mrb, str, n1, n2); } - if (argc != 1) { - mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%S for 1)", mrb_fixnum_value(argc)); - } return mrb_str_aref(mrb, str, a1); } @@ -1554,7 +1530,6 @@ mrb_str_index_m(mrb_state *mrb, mrb_value str) else sub = mrb_nil_value(); } - mrb_regexp_check(mrb, sub); clen = RSTRING_CHAR_LEN(str); if (pos < 0) { pos += clen; @@ -1587,8 +1562,6 @@ mrb_str_index_m(mrb_state *mrb, mrb_value str) return mrb_fixnum_value(pos); } -#define STR_REPLACE_SHARED_MIN 10 - /* 15.2.10.5.24 */ /* 15.2.10.5.28 */ /* @@ -1808,7 +1781,6 @@ mrb_str_rindex(mrb_state *mrb, mrb_value str) if (pos < 0) { pos += len; if (pos < 0) { - mrb_regexp_check(mrb, sub); return mrb_nil_value(); } } @@ -1822,7 +1794,6 @@ mrb_str_rindex(mrb_state *mrb, mrb_value str) sub = mrb_nil_value(); } pos = chars2bytes(str, 0, pos); - mrb_regexp_check(mrb, sub); switch (mrb_type(sub)) { default: { @@ -1916,16 +1887,11 @@ mrb_str_split_m(mrb_state *mrb, mrb_value str) if (argc == 0 || mrb_nil_p(spat)) { split_type = awk; } - else { - if (mrb_string_p(spat)) { - split_type = string; - if (RSTRING_LEN(spat) == 1 && RSTRING_PTR(spat)[0] == ' ') { - split_type = awk; - } - } - else { - mrb_noregexp(mrb, str); - } + else if (!mrb_string_p(spat)) { + mrb_raise(mrb, E_TYPE_ERROR, "expected String"); + } + else if (RSTRING_LEN(spat) == 1 && RSTRING_PTR(spat)[0] == ' ') { + split_type = awk; } result = mrb_ary_new(mrb); @@ -1962,7 +1928,7 @@ mrb_str_split_m(mrb_state *mrb, mrb_value str) } } } - else if (split_type == string) { + else { /* split_type == string */ mrb_int str_len = RSTRING_LEN(str); mrb_int pat_len = RSTRING_LEN(spat); mrb_int idx = 0; @@ -1983,9 +1949,6 @@ mrb_str_split_m(mrb_state *mrb, mrb_value str) } beg = idx; } - else { - mrb_noregexp(mrb, str); - } if (RSTRING_LEN(str) > 0 && (lim_p || RSTRING_LEN(str) > beg || lim < 0)) { if (RSTRING_LEN(str) == beg) { tmp = mrb_str_new_empty(mrb, str); @@ -2005,7 +1968,7 @@ mrb_str_split_m(mrb_state *mrb, mrb_value str) return result; } -MRB_API mrb_value +static mrb_value mrb_str_len_to_inum(mrb_state *mrb, const char *str, mrb_int len, mrb_int base, int badcheck) { const char *p = str; @@ -2149,7 +2112,7 @@ mrb_str_len_to_inum(mrb_state *mrb, const char *str, mrb_int len, mrb_int base, else #endif { - mrb_raisef(mrb, E_ARGUMENT_ERROR, "string (%S) too big for integer", + mrb_raisef(mrb, E_RANGE_ERROR, "string (%S) too big for integer", mrb_str_new(mrb, str, pend-str)); } } @@ -2173,7 +2136,7 @@ mrb_str_len_to_inum(mrb_state *mrb, const char *str, mrb_int len, mrb_int base, } MRB_API mrb_value -mrb_cstr_to_inum(mrb_state *mrb, const char *str, int base, int badcheck) +mrb_cstr_to_inum(mrb_state *mrb, const char *str, mrb_int base, mrb_bool badcheck) { return mrb_str_len_to_inum(mrb, str, strlen(str), base, badcheck); } @@ -2754,6 +2717,7 @@ mrb_init_string(mrb_state *mrb) #endif mrb_define_method(mrb, s, "to_i", mrb_str_to_i, MRB_ARGS_ANY()); /* 15.2.10.5.39 */ mrb_define_method(mrb, s, "to_s", mrb_str_to_s, MRB_ARGS_NONE()); /* 15.2.10.5.40 */ + mrb_define_method(mrb, s, "to_str", mrb_str_to_s, MRB_ARGS_NONE()); mrb_define_method(mrb, s, "to_sym", mrb_str_intern, MRB_ARGS_NONE()); /* 15.2.10.5.41 */ mrb_define_method(mrb, s, "upcase", mrb_str_upcase, MRB_ARGS_NONE()); /* 15.2.10.5.42 */ mrb_define_method(mrb, s, "upcase!", mrb_str_upcase_bang, MRB_ARGS_NONE()); /* 15.2.10.5.43 */ @@ -2842,7 +2806,7 @@ mrb_float_read(const char *string, char **endPtr) */ p = string; - while (isspace(*p)) { + while (ISSPACE(*p)) { p += 1; } if (*p == '-') { @@ -2865,7 +2829,7 @@ mrb_float_read(const char *string, char **endPtr) for (mantSize = 0; ; mantSize += 1) { c = *p; - if (!isdigit(c)) { + if (!ISDIGIT(c)) { if ((c != '.') || (decPt >= 0)) { break; } @@ -2950,7 +2914,7 @@ mrb_float_read(const char *string, char **endPtr) } expSign = FALSE; } - while (isdigit(*p)) { + while (ISDIGIT(*p)) { exp = exp * 10 + (*p - '0'); if (exp > 19999) { exp = 19999; |