/************************************************ tkutil.c - $Author$ created at: Fri Nov 3 00:47:54 JST 1995 ************************************************/ #define TKUTIL_RELEASE_DATE "2009-10-27" #include "ruby.h" #ifdef RUBY_VM static VALUE rb_thread_critical; /* dummy */ #else /* On Ruby 1.8.x, use rb_thread_critical (defined at rubysig.h) */ #include "rubysig.h" #endif #ifdef HAVE_RUBY_ST_H #include "ruby/st.h" #else #include "st.h" #endif #if !defined(RHASH_TBL) #define RHASH_TBL(h) (RHASH(h)->tbl) #endif #if !defined(RSTRING_PTR) #define RSTRING_PTR(s) (RSTRING(s)->ptr) #define RSTRING_LEN(s) (RSTRING(s)->len) #endif #if !defined(RARRAY_PTR) #define RARRAY_PTR(s) (RARRAY(s)->ptr) #define RARRAY_LEN(s) (RARRAY(s)->len) #endif #if defined(HAVE_STRNDUP) && !defined(_GNU_SOURCE) extern char *strndup(const char* _ptr, size_t _len); #endif static VALUE cMethod; static VALUE cTclTkLib; static VALUE cTkObject; static VALUE cTkCallbackEntry; static VALUE TK_None; static VALUE cCB_SUBST; static VALUE cSUBST_INFO; static VALUE ENCODING_NAME_UTF8; /* for saving GC cost */ static ID ID_split_tklist; static ID ID_toUTF8; static ID ID_fromUTF8; static ID ID_path; static ID ID_at_path; static ID ID_at_enc; static ID ID_to_eval; static ID ID_to_s; static ID ID_source; static ID ID_downcase; static ID ID_install_cmd; static ID ID_merge_tklist; static ID ID_encoding; static ID ID_encoding_system; static ID ID_call; static ID ID_SUBST_INFO; static VALUE CALLBACK_TABLE; static unsigned long CALLBACK_ID_NUM = 0; /*************************************/ #if defined(HAVE_RB_OBJ_INSTANCE_EXEC) && !defined(RUBY_VM) extern VALUE rb_obj_instance_exec _((int, VALUE*, VALUE)); #endif static VALUE tk_s_new(argc, argv, klass) int argc; VALUE *argv; VALUE klass; { VALUE obj = rb_class_new_instance(argc, argv, klass); if (rb_block_given_p()) { #ifndef HAVE_RB_OBJ_INSTANCE_EXEC rb_obj_instance_eval(0, 0, obj); #else rb_obj_instance_exec(1, &obj, obj); #endif } return obj; } /*************************************/ static VALUE tkNone_to_s(self) VALUE self; { return rb_str_new2(""); } static VALUE tkNone_inspect(self) VALUE self; { return rb_str_new2("None"); } /*************************************/ static VALUE tk_obj_untrust(self, obj) VALUE self; VALUE obj; { #ifdef HAVE_RB_OBJ_TAINT rb_obj_taint(obj); #endif #ifdef HAVE_RB_OBJ_UNTRUST rb_obj_untrust(obj); #endif return obj; } static VALUE tk_eval_cmd(argc, argv, self) int argc; VALUE argv[]; VALUE self; { volatile VALUE cmd, rest; rb_scan_args(argc, argv, "1*", &cmd, &rest); return rb_eval_cmd(cmd, rest, 0); } static VALUE tk_do_callback(argc, argv, self) int argc; VALUE *argv; VALUE self; { #if 0 volatile VALUE id; volatile VALUE rest; rb_scan_args(argc, argv, "1*", &id, &rest); return rb_apply(rb_hash_aref(CALLBACK_TABLE, id), ID_call, rest); #endif return rb_funcall2(rb_hash_aref(CALLBACK_TABLE, argv[0]), ID_call, argc - 1, argv + 1); } static const char cmd_id_head[] = "ruby_cmd TkUtil callback "; static const char cmd_id_prefix[] = "cmd"; static VALUE tk_install_cmd_core(cmd) VALUE cmd; { volatile VALUE id_num; id_num = ULONG2NUM(CALLBACK_ID_NUM++); id_num = rb_funcall(id_num, ID_to_s, 0, 0); id_num = rb_str_append(rb_str_new2(cmd_id_prefix), id_num); rb_hash_aset(CALLBACK_TABLE, id_num, cmd); return rb_str_append(rb_str_new2(cmd_id_head), id_num); } static VALUE tk_install_cmd(argc, argv, self) int argc; VALUE *argv; VALUE self; { volatile VALUE cmd; #if 0 if (rb_scan_args(argc, argv, "01", &cmd) == 0) { cmd = rb_block_proc(); } return tk_install_cmd_core(cmd); #endif if (argc == 0) { cmd = rb_block_proc(); } else { cmd = argv[0]; } return tk_install_cmd_core(cmd); } static VALUE tk_uninstall_cmd(self, cmd_id) VALUE self; VALUE cmd_id; { int head_len = strlen(cmd_id_head); int prefix_len = strlen(cmd_id_prefix); StringValue(cmd_id); if (strncmp(cmd_id_head, RSTRING_PTR(cmd_id), head_len) != 0) { return Qnil; } if (strncmp(cmd_id_prefix, RSTRING_PTR(cmd_id) + head_len, prefix_len) != 0) { return Qnil; } return rb_hash_delete(CALLBACK_TABLE, rb_str_new2(RSTRING_PTR(cmd_id) + head_len)); } static VALUE tk_toUTF8(argc, argv, self) int argc; VALUE *argv; VALUE self; { return rb_funcall2(cTclTkLib, ID_toUTF8, argc, argv); } static VALUE tk_fromUTF8(argc, argv, self) int argc; VALUE *argv; VALUE self; { return rb_funcall2(cTclTkLib, ID_fromUTF8, argc, argv); } static VALUE fromDefaultEnc_toUTF8(str, self) VALUE str; VALUE self; { VALUE argv[1]; argv[0] = str; return tk_toUTF8(1, argv, self); } #if 0 static VALUE fromUTF8_toDefaultEnc(str, self) VALUE str; VALUE self; { VALUE argv[1]; argv[0] = str; return tk_fromUTF8(1, argv, self); } #endif static int to_strkey(key, value, hash) VALUE key; VALUE value; VALUE hash; { if (key == Qundef) return ST_CONTINUE; rb_hash_aset(hash, rb_funcall(key, ID_to_s, 0, 0), value); return ST_CHECK; } static VALUE tk_symbolkey2str(self, keys) VALUE self; VALUE keys; { volatile VALUE new_keys = rb_hash_new(); if NIL_P(keys) return new_keys; keys = rb_convert_type(keys, T_HASH, "Hash", "to_hash"); st_foreach(RHASH_TBL(keys), to_strkey, new_keys); return new_keys; } static VALUE get_eval_string_core _((VALUE, VALUE, VALUE)); static VALUE ary2list _((VALUE, VALUE, VALUE)); static VALUE ary2list2 _((VALUE, VALUE, VALUE)); static VALUE hash2list _((VALUE, VALUE)); static VALUE hash2list_enc _((VALUE, VALUE)); static VALUE hash2kv _((VALUE, VALUE, VALUE)); static VALUE hash2kv_enc _((VALUE, VALUE, VALUE)); static VALUE ary2list(ary, enc_flag, self) VALUE ary; VALUE enc_flag; VALUE self; { int idx, idx2, size, size2, req_chk_flag; volatile VALUE val, val2, str_val; volatile VALUE dst; volatile VALUE sys_enc, dst_enc, str_enc; sys_enc = rb_funcall(cTclTkLib, ID_encoding, 0, 0); if (NIL_P(sys_enc)) { sys_enc = rb_funcall(cTclTkLib, ID_encoding_system, 0, 0); sys_enc = rb_funcall(sys_enc, ID_to_s, 0, 0); } if NIL_P(enc_flag) { dst_enc = sys_enc; req_chk_flag = 1; } else if (TYPE(enc_flag) == T_TRUE || TYPE(enc_flag) == T_FALSE) { dst_enc = enc_flag; req_chk_flag = 0; } else { dst_enc = rb_funcall(enc_flag, ID_to_s, 0, 0); req_chk_flag = 0; } /* size = RARRAY_LEN(ary); */ size = 0; for(idx = 0; idx < RARRAY_LEN(ary); idx++) { if (TYPE(RARRAY_PTR(ary)[idx]) == T_HASH) { size += 2 * RHASH_SIZE(RARRAY_PTR(ary)[idx]); } else { size++; } } dst = rb_ary_new2(size); for(idx = 0; idx < RARRAY_LEN(ary); idx++) { val = RARRAY_PTR(ary)[idx]; str_val = Qnil; switch(TYPE(val)) { case T_ARRAY: str_val = ary2list(val, enc_flag, self); rb_ary_push(dst, str_val); if (req_chk_flag) { str_enc = rb_ivar_get(str_val, ID_at_enc); if (!NIL_P(str_enc)) { str_enc = rb_funcall(str_enc, ID_to_s, 0, 0); } else { str_enc = sys_enc; } if (!rb_str_cmp(str_enc, dst_enc)) { dst_enc = Qtrue; req_chk_flag = 0; } } break; case T_HASH: /* rb_ary_push(dst, hash2list(val, self)); */ if (RTEST(enc_flag)) { val = hash2kv_enc(val, Qnil, self); } else { val = hash2kv(val, Qnil, self); } size2 = RARRAY_LEN(val); for(idx2 = 0; idx2 < size2; idx2++) { val2 = RARRAY_PTR(val)[idx2]; switch(TYPE(val2)) { case T_ARRAY: str_val = ary2list(val2, enc_flag, self); rb_ary_push(dst, str_val); break; case T_HASH: if (RTEST(enc_flag)) { str_val = hash2list_enc(val2, self); } else { str_val = hash2list(val2, self); } rb_ary_push(dst, str_val); break; default: if (val2 != TK_None) { str_val = get_eval_string_core(val2, enc_flag, self); rb_ary_push(dst, str_val); } } if (req_chk_flag) { str_enc = rb_ivar_get(str_val, ID_at_enc); if (!NIL_P(str_enc)) { str_enc = rb_funcall(str_enc, ID_to_s, 0, 0); } else { str_enc = sys_enc; } if (!rb_str_cmp(str_enc, dst_enc)) { dst_enc = Qtrue; req_chk_flag = 0; } } } break; default: if (val != TK_None) { str_val = get_eval_string_core(val, enc_flag, self); rb_ary_push(dst, str_val); if (req_chk_flag) { str_enc = rb_ivar_get(str_val, ID_at_enc); if (!NIL_P(str_enc)) { str_enc = rb_funcall(str_enc, ID_to_s, 0, 0); } else { str_enc = sys_enc; } if (!rb_str_cmp(str_enc, dst_enc)) { dst_enc = Qtrue; req_chk_flag = 0; } } } } } if (RTEST(dst_enc) && !NIL_P(sys_enc)) { for(idx = 0; idx < RARRAY_LEN(dst); idx++) { str_val = RARRAY_PTR(dst)[idx]; if (rb_obj_respond_to(self, ID_toUTF8, Qtrue)) { str_val = rb_funcall(self, ID_toUTF8, 1, str_val); } else { str_val = rb_funcall(cTclTkLib, ID_toUTF8, 1, str_val); } RARRAY_PTR(dst)[idx] = str_val; } val = rb_apply(cTclTkLib, ID_merge_tklist, dst); if (TYPE(dst_enc) == T_STRING) { val = rb_funcall(cTclTkLib, ID_fromUTF8, 2, val, dst_enc); rb_ivar_set(val, ID_at_enc, dst_enc); } else { rb_ivar_set(val, ID_at_enc, ENCODING_NAME_UTF8); } return val; } else { return rb_apply(cTclTkLib, ID_merge_tklist, dst); } } static VALUE ary2list2(ary, enc_flag, self) VALUE ary; VALUE enc_flag; VALUE self; { int idx, size, req_chk_flag; volatile VALUE val, str_val; volatile VALUE dst; volatile VALUE sys_enc, dst_enc, str_enc; sys_enc = rb_funcall(cTclTkLib, ID_encoding, 0, 0); if NIL_P(sys_enc) { sys_enc = rb_funcall(cTclTkLib, ID_encoding_system, 0, 0); sys_enc = rb_funcall(sys_enc, ID_to_s, 0, 0); } if NIL_P(enc_flag) { dst_enc = sys_enc; req_chk_flag = 1; } else if (TYPE(enc_flag) == T_TRUE || TYPE(enc_flag) == T_FALSE) { dst_enc = enc_flag; req_chk_flag = 0; } else { dst_enc = rb_funcall(enc_flag, ID_to_s, 0, 0); req_chk_flag = 0; } size = RARRAY_LEN(ary); dst = rb_ary_new2(size); for(idx = 0; idx < RARRAY_LEN(ary); idx++) { val = RARRAY_PTR(ary)[idx]; str_val = Qnil; switch(TYPE(val)) { case T_ARRAY: str_val = ary2list(val, enc_flag, self); break; case T_HASH: if (RTEST(enc_flag)) { str_val = hash2list(val, self); } else { str_val = hash2list_enc(val, self); } break; default: if (val != TK_None) { str_val = get_eval_string_core(val, enc_flag, self); } } if (!NIL_P(str_val)) { rb_ary_push(dst, str_val); if (req_chk_flag) { str_enc = rb_ivar_get(str_val, ID_at_enc); if (!NIL_P(str_enc)) { str_enc = rb_funcall(str_enc, ID_to_s, 0, 0); } else { str_enc = sys_enc; } if (!rb_str_cmp(str_enc, dst_enc)) { dst_enc = Qtrue; req_chk_flag = 0; } } } } if (RTEST(dst_enc) && !NIL_P(sys_enc)) { for(idx = 0; idx < RARRAY_LEN(dst); idx++) { str_val = RARRAY_PTR(dst)[idx]; if (rb_obj_respond_to(self, ID_toUTF8, Qtrue)) { str_val = rb_funcall(self, ID_toUTF8, 1, str_val); } else { str_val = rb_funcall(cTclTkLib, ID_toUTF8, 1, str_val); } RARRAY_PTR(dst)[idx] = str_val; } val = rb_apply(cTclTkLib, ID_merge_tklist, dst); if (TYPE(dst_enc) == T_STRING) { val = rb_funcall(cTclTkLib, ID_fromUTF8, 2, val, dst_enc); rb_ivar_set(val, ID_at_enc, dst_enc); } else { rb_ivar_set(val, ID_at_enc, ENCODING_NAME_UTF8); } return val; } else { return rb_apply(cTclTkLib, ID_merge_tklist, dst); } } static VALUE key2keyname(key) VALUE key; { return rb_str_append(rb_str_new2("-"), rb_funcall(key, ID_to_s, 0, 0)); } static VALUE assoc2kv(assoc, ary, self) VALUE assoc; VALUE ary; VALUE self; { int i, j, len; volatile VALUE pair; volatile VALUE val; volatile VALUE dst = rb_ary_new2(2 * RARRAY_LEN(assoc)); len = RARRAY_LEN(assoc); for(i = 0; i < len; i++) { pair = RARRAY_PTR(assoc)[i]; if (TYPE(pair) != T_ARRAY) { rb_ary_push(dst, key2keyname(pair)); continue; } switch(RARRAY_LEN(assoc)) { case 2: rb_ary_push(dst, RARRAY_PTR(pair)[2]); case 1: rb_ary_push(dst, key2keyname(RARRAY_PTR(pair)[0])); case 0: continue; default: rb_ary_push(dst, key2keyname(RARRAY_PTR(pair)[0])); val = rb_ary_new2(RARRAY_LEN(pair) - 1); for(j = 1; j < RARRAY_LEN(pair); j++) { rb_ary_push(val, RARRAY_PTR(pair)[j]); } rb_ary_push(dst, val); } } if (NIL_P(ary)) { return dst; } else { return rb_ary_plus(ary, dst); } } static VALUE assoc2kv_enc(assoc, ary, self) VALUE assoc; VALUE ary; VALUE self; { int i, j, len; volatile VALUE pair; volatile VALUE val; volatile VALUE dst = rb_ary_new2(2 * RARRAY_LEN(assoc)); len = RARRAY_LEN(assoc); for(i = 0; i < len; i++) { pair = RARRAY_PTR(assoc)[i]; if (TYPE(pair) != T_ARRAY) { rb_ary_push(dst, key2keyname(pair)); continue; } switch(RARRAY_LEN(assoc)) { case 2: rb_ary_push(dst, get_eval_string_core(RARRAY_PTR(pair)[2], Qtrue, self)); case 1: rb_ary_push(dst, key2keyname(RARRAY_PTR(pair)[0])); case 0: continue; default: rb_ary_push(dst, key2keyname(RARRAY_PTR(pair)[0])); val = rb_ary_new2(RARRAY_LEN(pair) - 1); for(j = 1; j < RARRAY_LEN(pair); j++) { rb_ary_push(val, RARRAY_PTR(pair)[j]); } rb_ary_push(dst, get_eval_string_core(val, Qtrue, self)); } } if (NIL_P(ary)) { return dst; } else { return rb_ary_plus(ary, dst); } } static int push_kv(key, val, args) VALUE key; VALUE val; VALUE args; { volatile VALUE ary; ary = RARRAY_PTR(args)[0]; if (key == Qundef) return ST_CONTINUE; #if 0 rb_ary_push(ary, key2keyname(key)); if (val != TK_None) rb_ary_push(ary, val); #endif rb_ary_push(ary, key2keyname(key)); if (val == TK_None) return ST_CHECK; rb_ary_push(ary, get_eval_string_core(val, Qnil, RARRAY_PTR(args)[1])); return ST_CHECK; } static VALUE hash2kv(hash, ary, self) VALUE hash; VALUE ary; VALUE self; { volatile VALUE dst = rb_ary_new2(2 * RHASH_SIZE(hash)); volatile VALUE args = rb_ary_new3(2, dst, self); st_foreach(RHASH_TBL(hash), push_kv, args); if (NIL_P(ary)) { return dst; } else { return rb_ary_concat(ary, dst); } } static int push_kv_enc(key, val, args) VALUE key; VALUE val; VALUE args; { volatile VALUE ary; ary = RARRAY_PTR(args)[0]; if (key == Qundef) return ST_CONTINUE; #if 0 rb_ary_push(ary, key2keyname(key)); if (val != TK_None) { rb_ary_push(ary, get_eval_string_core(val, Qtrue, RARRAY_PTR(args)[1])); } #endif rb_ary_push(ary, key2keyname(key)); if (val == TK_None) return ST_CHECK; rb_ary_push(ary, get_eval_string_core(val, Qtrue, RARRAY_PTR(args)[1])); return ST_CHECK; } static VALUE hash2kv_enc(hash, ary, self) VALUE hash; VALUE ary; VALUE self; { volatile VALUE dst = rb_ary_new2(2 * RHASH_SIZE(hash)); volatile VALUE args = rb_ary_new3(2, dst, self); st_foreach(RHASH_TBL(hash), push_kv_enc, args); if (NIL_P(ary)) { return dst; } else { return rb_ary_concat(ary, dst); } } static VALUE hash2list(hash, self) VALUE hash; VALUE self; { return ary2list2(hash2kv(hash, Qnil, self), Qfalse, self); } static VALUE hash2list_enc(hash, self) VALUE hash; VALUE self; { return ary2list2(hash2kv_enc(hash, Qnil, self), Qfalse, self); } static VALUE tk_hash_kv(argc, argv, self) int argc; VALUE *argv; VALUE self; { volatile VALUE hash, enc_flag, ary; ary = Qnil; enc_flag = Qnil; switch(argc) { case 3: ary = argv[2]; case 2: enc_flag = argv[1]; case 1: hash = argv[0]; break; case 0: rb_raise(rb_eArgError, "too few arguments"); default: /* >= 3 */ rb_raise(rb_eArgError, "too many arguments"); } switch(TYPE(hash)) { case T_ARRAY: if (RTEST(enc_flag)) { return assoc2kv_enc(hash, ary, self); } else { return assoc2kv(hash, ary, self); } case T_HASH: if (RTEST(enc_flag)) { return hash2kv_enc(hash, ary, self); } else { return hash2kv(hash, ary, self); } case T_NIL: if (NIL_P(ary)) { return rb_ary_new(); } else { return ary; } default: if (hash == TK_None) { if (NIL_P(ary)) { return rb_ary_new(); } else { return ary; } } rb_raise(rb_eArgError, "Hash is expected for 1st argument"); } } static VALUE get_eval_string_core(obj, enc_flag, self) VALUE obj; VALUE enc_flag; VALUE self; { switch(TYPE(obj)) { case T_FLOAT: case T_FIXNUM: case T_BIGNUM: return rb_funcall(obj, ID_to_s, 0, 0); case T_STRING: if (RTEST(enc_flag)) { if (rb_obj_respond_to(self, ID_toUTF8, Qtrue)) { return rb_funcall(self, ID_toUTF8, 1, obj); } else { return fromDefaultEnc_toUTF8(obj, self); } } else { return obj; } case T_SYMBOL: if (RTEST(enc_flag)) { if (rb_obj_respond_to(self, ID_toUTF8, Qtrue)) { return rb_funcall(self, ID_toUTF8, 1, rb_str_new2(rb_id2name(SYM2ID(obj)))); } else { return fromDefaultEnc_toUTF8(rb_str_new2(rb_id2name(SYM2ID(obj))), self); } } else { #ifdef HAVE_RB_SYM_TO_S return rb_sym_to_s(obj); #else return rb_str_new2(rb_id2name(SYM2ID(obj))); #endif } case T_HASH: if (RTEST(enc_flag)) { return hash2list_enc(obj, self); } else { return hash2list(obj, self); } case T_ARRAY: return ary2list(obj, enc_flag, self); case T_FALSE: return rb_str_new2("0"); case T_TRUE: return rb_str_new2("1"); case T_NIL: return rb_str_new2(""); case T_REGEXP: return rb_funcall(obj, ID_source, 0, 0); default: if (rb_obj_is_kind_of(obj, cTkObject)) { /* return rb_str_new3(rb_funcall(obj, ID_path, 0, 0)); */ return get_eval_string_core(rb_funcall(obj, ID_path, 0, 0), enc_flag, self); } if (rb_obj_is_kind_of(obj, rb_cProc) || rb_obj_is_kind_of(obj, cMethod) || rb_obj_is_kind_of(obj, cTkCallbackEntry)) { if (rb_obj_respond_to(self, ID_install_cmd, Qtrue)) { return rb_funcall(self, ID_install_cmd, 1, obj); } else { return tk_install_cmd_core(obj); } } if (obj == TK_None) return Qnil; if (rb_obj_respond_to(obj, ID_to_eval, Qtrue)) { /* return rb_funcall(obj, ID_to_eval, 0, 0); */ return get_eval_string_core(rb_funcall(obj, ID_to_eval, 0, 0), enc_flag, self); } else if (rb_obj_respond_to(obj, ID_path, Qtrue)) { /* return rb_funcall(obj, ID_path, 0, 0); */ return get_eval_string_core(rb_funcall(obj, ID_path, 0, 0), enc_flag, self); } else if (rb_obj_respond_to(obj, ID_to_s, Qtrue)) { return rb_funcall(obj, ID_to_s, 0, 0); } } rb_warning("fail to convert '%s' to string for Tk", RSTRING_PTR(rb_funcall(obj, rb_intern("inspect"), 0, 0))); return obj; } static VALUE tk_get_eval_string(argc, argv, self) int argc; VALUE *argv; VALUE self; { volatile VALUE obj, enc_flag; if (rb_scan_args(argc, argv, "11", &obj, &enc_flag) == 1) { enc_flag = Qnil; } return get_eval_string_core(obj, enc_flag, self); } static VALUE tk_get_eval_enc_str(self, obj) VALUE self; VALUE obj; { if (obj == TK_None) { return obj; } else { return get_eval_string_core(obj, Qtrue, self); } } static VALUE tk_conv_args(argc, argv, self) int argc; VALUE *argv; /* [0]:base_array, [1]:enc_mode, [2]..[n]:args */ VALUE self; { int idx, size; volatile VALUE dst; int thr_crit_bup; VALUE old_gc; if (argc < 2) { rb_raise(rb_eArgError, "too few arguments"); } thr_crit_bup = rb_thread_critical; rb_thread_critical = Qtrue; old_gc = rb_gc_disable(); for(size = 0, idx = 2; idx < argc; idx++) { if (TYPE(argv[idx]) == T_HASH) { size += 2 * RHASH_SIZE(argv[idx]); } else { size++; } } /* dst = rb_ary_new2(argc - 2); */ dst = rb_ary_new2(size); for(idx = 2; idx < argc; idx++) { if (TYPE(argv[idx]) == T_HASH) { if (RTEST(argv[1])) { hash2kv_enc(argv[idx], dst, self); } else { hash2kv(argv[idx], dst, self); } } else if (argv[idx] != TK_None) { rb_ary_push(dst, get_eval_string_core(argv[idx], argv[1], self)); } } if (old_gc == Qfalse) rb_gc_enable(); rb_thread_critical = thr_crit_bup; return rb_ary_plus(argv[0], dst); } /*************************************/ static VALUE tcl2rb_bool(self, value) VALUE self; VALUE value; { if (TYPE(value) == T_FIXNUM) { if (NUM2INT(value) == 0) { return Qfalse; } else { return Qtrue; } } if (TYPE(value) == T_TRUE || TYPE(value) == T_FALSE) { return value; } rb_check_type(value, T_STRING); value = rb_funcall(value, ID_downcase, 0); if (RSTRING_PTR(value) == (char*)NULL) return Qnil; if (RSTRING_PTR(value)[0] == '\0' || strcmp(RSTRING_PTR(value), "0") == 0 || strcmp(RSTRING_PTR(value), "no") == 0 || strcmp(RSTRING_PTR(value), "off") == 0 || strcmp(RSTRING_PTR(value), "false") == 0) { return Qfalse; } else { return Qtrue; } } #if 0 static VALUE tkstr_to_dec(value) VALUE value; { return rb_cstr_to_inum(RSTRING_PTR(value), 10, 1); } #endif static VALUE tkstr_to_int(value) VALUE value; { return rb_cstr_to_inum(RSTRING_PTR(value), 0, 1); } static VALUE tkstr_to_float(value) VALUE value; { return rb_float_new(rb_cstr_to_dbl(RSTRING_PTR(value), 1)); } static VALUE tkstr_invalid_numstr(value) VALUE value; { rb_raise(rb_eArgError, "invalid value for Number: '%s'", RSTRING_PTR(value)); return Qnil; /*dummy*/ } static VALUE tkstr_rescue_float(value) VALUE value; { return rb_rescue2(tkstr_to_float, value, tkstr_invalid_numstr, value, rb_eArgError, 0); } static VALUE tkstr_to_number(value) VALUE value; { rb_check_type(value, T_STRING); if (RSTRING_PTR(value) == (char*)NULL) return INT2FIX(0); return rb_rescue2(tkstr_to_int, value, tkstr_rescue_float, value, rb_eArgError, 0); } static VALUE tcl2rb_number(self, value) VALUE self; VALUE value; { return tkstr_to_number(value); } static VALUE tkstr_to_str(value) VALUE value; { char * ptr; int len; ptr = RSTRING_PTR(value); len = RSTRING_LEN(value); if (len > 1 && *ptr == '{' && *(ptr + len - 1) == '}') { return rb_str_new(ptr + 1, len - 2); } return value; } static VALUE tcl2rb_string(self, value) VALUE self; VALUE value; { rb_check_type(value, T_STRING); if (RSTRING_PTR(value) == (char*)NULL) return rb_tainted_str_new2(""); return tkstr_to_str(value); } static VALUE tcl2rb_num_or_str(self, value) VALUE self; VALUE value; { rb_check_type(value, T_STRING); if (RSTRING_PTR(value) == (char*)NULL) return rb_tainted_str_new2(""); return rb_rescue2(tkstr_to_number, value, tkstr_to_str, value, rb_eArgError, 0); } static VALUE tcl2rb_num_or_nil(self, value) VALUE self; VALUE value; { rb_check_type(value, T_STRING); if (RSTRING_LEN(value) == 0) return Qnil; return tkstr_to_number(value); } /*************************************/ #define CBSUBST_TBL_MAX (256) struct cbsubst_info { int full_subst_length; int keylen[CBSUBST_TBL_MAX]; char *key[CBSUBST_TBL_MAX]; char type[CBSUBST_TBL_MAX]; ID ivar[CBSUBST_TBL_MAX]; VALUE proc; VALUE aliases; }; static void subst_mark(ptr) struct cbsubst_info *ptr; { rb_gc_mark(ptr->proc); rb_gc_mark(ptr->aliases); } static void subst_free(ptr) struct cbsubst_info *ptr; { int i; if (ptr) { for(i = 0; i < CBSUBST_TBL_MAX; i++) { if (ptr->key[i] != NULL) { free(ptr->key[i]); ptr->key[i] = NULL; } } free(ptr); } } static VALUE allocate_cbsubst_info(struct cbsubst_info **inf_ptr) { struct cbsubst_info *inf; volatile VALUE proc, aliases; int idx; inf = ALLOC(struct cbsubst_info); inf->full_subst_length = 0; for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) { inf->keylen[idx] = 0; inf->key[idx] = NULL; inf->type[idx] = '\0'; inf->ivar[idx] = (ID) 0; } proc = rb_hash_new(); inf->proc = proc; aliases = rb_hash_new(); inf->aliases = aliases; if (inf_ptr != (struct cbsubst_info **)NULL) *inf_ptr = inf; return Data_Wrap_Struct(cSUBST_INFO, subst_mark, subst_free, inf); } static void cbsubst_init() { rb_const_set(cCB_SUBST, ID_SUBST_INFO, allocate_cbsubst_info((struct cbsubst_info **)NULL)); } static VALUE cbsubst_initialize(argc, argv, self) int argc; VALUE *argv; VALUE self; { struct cbsubst_info *inf; int idx, iv_idx; Data_Get_Struct(rb_const_get(rb_obj_class(self), ID_SUBST_INFO), struct cbsubst_info, inf); idx = 0; for(iv_idx = 0; iv_idx < CBSUBST_TBL_MAX; iv_idx++) { if ( inf->ivar[iv_idx] == (ID) 0 ) continue; rb_ivar_set(self, inf->ivar[iv_idx], argv[idx++]); if (idx >= argc) break; } return self; } static VALUE cbsubst_ret_val(self, val) VALUE self; VALUE val; { /* This method may be overwritten on some sub-classes. */ /* This method is used for converting from ruby's callback-return-value */ /* to tcl's value (e.g. validation procedure of entry widget). */ return val; } static int each_attr_def(key, value, klass) VALUE key, value, klass; { ID key_id, value_id; if (key == Qundef) return ST_CONTINUE; switch(TYPE(key)) { case T_STRING: key_id = rb_intern(RSTRING_PTR(key)); break; case T_SYMBOL: key_id = SYM2ID(key); break; default: rb_raise(rb_eArgError, "includes invalid key(s). expected a String or a Symbol"); } switch(TYPE(value)) { case T_STRING: value_id = rb_intern(RSTRING_PTR(value)); break; case T_SYMBOL: value_id = SYM2ID(value); break; default: rb_raise(rb_eArgError, "includes invalid value(s). expected a String or a Symbol"); } rb_alias(klass, key_id, value_id); return ST_CONTINUE; } static VALUE cbsubst_def_attr_aliases(self, tbl) VALUE self; VALUE tbl; { struct cbsubst_info *inf; if (TYPE(tbl) != T_HASH) { rb_raise(rb_eArgError, "expected a Hash"); } Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), struct cbsubst_info, inf); rb_hash_foreach(tbl, each_attr_def, self); return rb_funcall(inf->aliases, rb_intern("update"), 1, tbl); } static VALUE cbsubst_sym_to_subst(self, sym) VALUE self; VALUE sym; { struct cbsubst_info *inf; const char *str; char *buf, *ptr; int idx, len; ID id; volatile VALUE ret; if (TYPE(sym) != T_SYMBOL) return sym; Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), struct cbsubst_info, inf); if (!NIL_P(ret = rb_hash_aref(inf->aliases, sym))) { str = rb_id2name(SYM2ID(ret)); } else { str = rb_id2name(SYM2ID(sym)); } id = rb_intern(RSTRING_PTR(rb_str_cat2(rb_str_new2("@"), str))); for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) { if (inf->ivar[idx] == id) break; } if (idx >= CBSUBST_TBL_MAX) return sym; ptr = buf = ALLOC_N(char, inf->full_subst_length + 1); *(ptr++) = '%'; if (len = inf->keylen[idx]) { /* longname */ strncpy(ptr, inf->key[idx], len); ptr += len; } else { /* single char */ *(ptr++) = (unsigned char)idx; } *(ptr++) = ' '; *(ptr++) = '\0'; ret = rb_str_new2(buf); free(buf); return ret; } static VALUE cbsubst_get_subst_arg(argc, argv, self) int argc; VALUE *argv; VALUE self; { struct cbsubst_info *inf; const char *str; char *buf, *ptr; int i, idx, len; ID id; volatile VALUE arg_sym, ret; Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), struct cbsubst_info, inf); ptr = buf = ALLOC_N(char, inf->full_subst_length + 1); for(i = 0; i < argc; i++) { switch(TYPE(argv[i])) { case T_STRING: str = RSTRING_PTR(argv[i]); arg_sym = ID2SYM(rb_intern(str)); break; case T_SYMBOL: arg_sym = argv[i]; str = rb_id2name(SYM2ID(arg_sym)); break; default: rb_raise(rb_eArgError, "arg #%d is not a String or a Symbol", i); } if (!NIL_P(ret = rb_hash_aref(inf->aliases, arg_sym))) { str = rb_id2name(SYM2ID(ret)); } id = rb_intern(RSTRING_PTR(rb_str_cat2(rb_str_new2("@"), str))); for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) { if (inf->ivar[idx] == id) break; } if (idx >= CBSUBST_TBL_MAX) { rb_raise(rb_eArgError, "cannot find attribute :%s", str); } *(ptr++) = '%'; if (len = inf->keylen[idx]) { /* longname */ strncpy(ptr, inf->key[idx], len); ptr += len; } else { /* single char */ *(ptr++) = (unsigned char)idx; } *(ptr++) = ' '; } *ptr = '\0'; ret = rb_str_new2(buf); free(buf); return ret; } static VALUE cbsubst_get_subst_key(self, str) VALUE self; VALUE str; { struct cbsubst_info *inf; volatile VALUE list; volatile VALUE ret; VALUE keyval; int i, len, keylen, idx; char *buf, *ptr, *key; list = rb_funcall(cTclTkLib, ID_split_tklist, 1, str); len = RARRAY_LEN(list); Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), struct cbsubst_info, inf); ptr = buf = ALLOC_N(char, inf->full_subst_length + len + 1); for(i = 0; i < len; i++) { keyval = RARRAY_PTR(list)[i]; key = RSTRING_PTR(keyval); if (*key == '%') { if (*(key + 2) == '\0') { /* single char */ *(ptr++) = *(key + 1); } else { /* search longname-key */ keylen = RSTRING_LEN(keyval) - 1; for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) { if (inf->keylen[idx] != keylen) continue; if ((unsigned char)inf->key[idx][0] != (unsigned char)*(key + 1)) continue; if (strncmp(inf->key[idx], key + 1, keylen)) continue; break; } if (idx < CBSUBST_TBL_MAX) { *(ptr++) = (unsigned char)idx; } else { *(ptr++) = ' '; } } } else { *(ptr++) = ' '; } } *ptr = '\0'; ret = rb_str_new2(buf); free(buf); return ret; } static VALUE cbsubst_get_all_subst_keys(self) VALUE self; { struct cbsubst_info *inf; char *buf, *ptr; char *keys_buf, *keys_ptr; int idx, len; volatile VALUE ret; Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), struct cbsubst_info, inf); ptr = buf = ALLOC_N(char, inf->full_subst_length + 1); keys_ptr = keys_buf = ALLOC_N(char, CBSUBST_TBL_MAX + 1); for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) { if (inf->ivar[idx] == (ID) 0) continue; *(keys_ptr++) = (unsigned char)idx; *(ptr++) = '%'; if (len = inf->keylen[idx]) { /* longname */ strncpy(ptr, inf->key[idx], len); ptr += len; } else { /* single char */ *(ptr++) = (unsigned char)idx; } *(ptr++) = ' '; } *ptr = '\0'; *keys_ptr = '\0'; ret = rb_ary_new3(2, rb_str_new2(keys_buf), rb_str_new2(buf)); free(buf); free(keys_buf); return ret; } static VALUE cbsubst_table_setup(argc, argv, self) int argc; VALUE *argv; VALUE self; { volatile VALUE cbsubst_obj; volatile VALUE key_inf; volatile VALUE longkey_inf; volatile VALUE proc_inf; VALUE inf; ID id; struct cbsubst_info *subst_inf; int idx, len; unsigned char chr; /* accept (key_inf, proc_inf) or (key_inf, longkey_inf, procinf) */ if (rb_scan_args(argc, argv, "21", &key_inf, &longkey_inf, &proc_inf) == 2) { proc_inf = longkey_inf; longkey_inf = rb_ary_new(); } /* check the number of longkeys */ if (RARRAY_LEN(longkey_inf) > 125 /* from 0x80 to 0xFD */) { rb_raise(rb_eArgError, "too many longname-key definitions"); } /* init */ cbsubst_obj = allocate_cbsubst_info(&subst_inf); /* * keys : array of [subst, type, ivar] * subst ==> char code or string * type ==> char code or string * ivar ==> symbol */ len = RARRAY_LEN(key_inf); for(idx = 0; idx < len; idx++) { inf = RARRAY_PTR(key_inf)[idx]; if (TYPE(inf) != T_ARRAY) continue; if (TYPE(RARRAY_PTR(inf)[0]) == T_STRING) { chr = *(RSTRING_PTR(RARRAY_PTR(inf)[0])); } else { chr = NUM2CHR(RARRAY_PTR(inf)[0]); } if (TYPE(RARRAY_PTR(inf)[1]) == T_STRING) { subst_inf->type[chr] = *(RSTRING_PTR(RARRAY_PTR(inf)[1])); } else { subst_inf->type[chr] = NUM2CHR(RARRAY_PTR(inf)[1]); } subst_inf->full_subst_length += 3; id = SYM2ID(RARRAY_PTR(inf)[2]); subst_inf->ivar[chr] = rb_intern(RSTRING_PTR(rb_str_cat2(rb_str_new2("@"), rb_id2name(id)))); rb_attr(self, id, 1, 0, Qtrue); } /* * longkeys : array of [name, type, ivar] * name ==> longname key string * type ==> char code or string * ivar ==> symbol */ len = RARRAY_LEN(longkey_inf); for(idx = 0; idx < len; idx++) { inf = RARRAY_PTR(longkey_inf)[idx]; if (TYPE(inf) != T_ARRAY) continue; chr = (unsigned char)(0x80 + idx); subst_inf->keylen[chr] = RSTRING_LEN(RARRAY_PTR(inf)[0]); #if HAVE_STRNDUP subst_inf->key[chr] = strndup(RSTRING_PTR(RARRAY_PTR(inf)[0]), RSTRING_LEN(RARRAY_PTR(inf)[0])); #else subst_inf->key[chr] = malloc(RSTRING_LEN(RARRAY_PTR(inf)[0]) + 1); if (subst_inf->key[chr]) { strncpy(subst_inf->key[chr], RSTRING_PTR(RARRAY_PTR(inf)[0]), RSTRING_LEN(RARRAY_PTR(inf)[0]) + 1); subst_inf->key[chr][RSTRING_LEN(RARRAY_PTR(inf)[0])] = '\0'; } #endif if (TYPE(RARRAY_PTR(inf)[1]) == T_STRING) { subst_inf->type[chr] = *(RSTRING_PTR(RARRAY_PTR(inf)[1])); } else { subst_inf->type[chr] = NUM2CHR(RARRAY_PTR(inf)[1]); } subst_inf->full_subst_length += (subst_inf->keylen[chr] + 2); id = SYM2ID(RARRAY_PTR(inf)[2]); subst_inf->ivar[chr] = rb_intern(RSTRING_PTR(rb_str_cat2(rb_str_new2("@"), rb_id2name(id)))); rb_attr(self, id, 1, 0, Qtrue); } /* * procs : array of [type, proc] * type ==> char code or string * proc ==> proc/method/obj (must respond to 'call') */ len = RARRAY_LEN(proc_inf); for(idx = 0; idx < len; idx++) { inf = RARRAY_PTR(proc_inf)[idx]; if (TYPE(inf) != T_ARRAY) continue; rb_hash_aset(subst_inf->proc, ((TYPE(RARRAY_PTR(inf)[0]) == T_STRING)? INT2FIX(*(RSTRING_PTR(RARRAY_PTR(inf)[0]))) : RARRAY_PTR(inf)[0]), RARRAY_PTR(inf)[1]); } rb_const_set(self, ID_SUBST_INFO, cbsubst_obj); return self; } static VALUE cbsubst_get_extra_args_tbl(self) VALUE self; { return rb_ary_new(); } static VALUE cbsubst_scan_args(self, arg_key, val_ary) VALUE self; VALUE arg_key; VALUE val_ary; { struct cbsubst_info *inf; int idx; unsigned char *keyptr = (unsigned char*)RSTRING_PTR(arg_key); int keylen = RSTRING_LEN(arg_key); int vallen = RARRAY_LEN(val_ary); unsigned char type_chr; volatile VALUE dst = rb_ary_new2(vallen); volatile VALUE proc; int thr_crit_bup; VALUE old_gc; thr_crit_bup = rb_thread_critical; rb_thread_critical = Qtrue; old_gc = rb_gc_disable(); Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), struct cbsubst_info, inf); for(idx = 0; idx < vallen; idx++) { if (idx >= keylen) { proc = Qnil; } else if (*(keyptr + idx) == ' ') { proc = Qnil; } else { if (type_chr = inf->type[*(keyptr + idx)]) { proc = rb_hash_aref(inf->proc, INT2FIX((int)type_chr)); } else { proc = Qnil; } } if (NIL_P(proc)) { rb_ary_push(dst, RARRAY_PTR(val_ary)[idx]); } else { rb_ary_push(dst, rb_funcall(proc, ID_call, 1, RARRAY_PTR(val_ary)[idx])); } } if (old_gc == Qfalse) rb_gc_enable(); rb_thread_critical = thr_crit_bup; return dst; } static VALUE cbsubst_inspect(self) VALUE self; { return rb_str_new2("CallbackSubst"); } static VALUE substinfo_inspect(self) VALUE self; { return rb_str_new2("SubstInfo"); } /*************************************/ static VALUE tk_cbe_inspect(self) VALUE self; { return rb_str_new2("TkCallbackEntry"); } /*************************************/ static VALUE tkobj_path(self) VALUE self; { return rb_ivar_get(self, ID_at_path); } /*************************************/ /* release date */ const char tkutil_release_date[] = TKUTIL_RELEASE_DATE; void Init_tkutil() { VALUE cTK = rb_define_class("TkKernel", rb_cObject); VALUE mTK = rb_define_module("TkUtil"); /* --------------------- */ rb_define_const(mTK, "RELEASE_DATE", rb_obj_freeze(rb_str_new2(tkutil_release_date))); /* --------------------- */ rb_global_variable(&cMethod); cMethod = rb_const_get(rb_cObject, rb_intern("Method")); ID_path = rb_intern("path"); ID_at_path = rb_intern("@path"); ID_at_enc = rb_intern("@encoding"); ID_to_eval = rb_intern("to_eval"); ID_to_s = rb_intern("to_s"); ID_source = rb_intern("source"); ID_downcase = rb_intern("downcase"); ID_install_cmd = rb_intern("install_cmd"); ID_merge_tklist = rb_intern("_merge_tklist"); ID_encoding = rb_intern("encoding"); ID_encoding_system = rb_intern("encoding_system"); ID_call = rb_intern("call"); /* --------------------- */ cCB_SUBST = rb_define_class_under(mTK, "CallbackSubst", rb_cObject); rb_define_singleton_method(cCB_SUBST, "inspect", cbsubst_inspect, 0); cSUBST_INFO = rb_define_class_under(cCB_SUBST, "Info", rb_cObject); rb_define_singleton_method(cSUBST_INFO, "inspect", substinfo_inspect, 0); ID_SUBST_INFO = rb_intern("SUBST_INFO"); rb_define_singleton_method(cCB_SUBST, "ret_val", cbsubst_ret_val, 1); rb_define_singleton_method(cCB_SUBST, "scan_args", cbsubst_scan_args, 2); rb_define_singleton_method(cCB_SUBST, "_sym2subst", cbsubst_sym_to_subst, 1); rb_define_singleton_method(cCB_SUBST, "subst_arg", cbsubst_get_subst_arg, -1); rb_define_singleton_method(cCB_SUBST, "_get_subst_key", cbsubst_get_subst_key, 1); rb_define_singleton_method(cCB_SUBST, "_get_all_subst_keys", cbsubst_get_all_subst_keys, 0); rb_define_singleton_method(cCB_SUBST, "_setup_subst_table", cbsubst_table_setup, -1); rb_define_singleton_method(cCB_SUBST, "_get_extra_args_tbl", cbsubst_get_extra_args_tbl, 0); rb_define_singleton_method(cCB_SUBST, "_define_attribute_aliases", cbsubst_def_attr_aliases, 1); rb_define_method(cCB_SUBST, "initialize", cbsubst_initialize, -1); cbsubst_init(); /* --------------------- */ rb_global_variable(&cTkCallbackEntry); cTkCallbackEntry = rb_define_class("TkCallbackEntry", cTK); rb_define_singleton_method(cTkCallbackEntry, "inspect", tk_cbe_inspect, 0); /* --------------------- */ rb_global_variable(&cTkObject); cTkObject = rb_define_class("TkObject", cTK); rb_define_method(cTkObject, "path", tkobj_path, 0); /* --------------------- */ rb_require("tcltklib"); rb_global_variable(&cTclTkLib); cTclTkLib = rb_const_get(rb_cObject, rb_intern("TclTkLib")); ID_split_tklist = rb_intern("_split_tklist"); ID_toUTF8 = rb_intern("_toUTF8"); ID_fromUTF8 = rb_intern("_fromUTF8"); /* --------------------- */ rb_define_singleton_method(cTK, "new", tk_s_new, -1); /* --------------------- */ rb_global_variable(&TK_None); TK_None = rb_obj_alloc(rb_cObject); rb_define_const(mTK, "None", TK_None); rb_define_singleton_method(TK_None, "to_s", tkNone_to_s, 0); rb_define_singleton_method(TK_None, "inspect", tkNone_inspect, 0); OBJ_FREEZE(TK_None); /* --------------------- */ rb_global_variable(&CALLBACK_TABLE); CALLBACK_TABLE = rb_hash_new(); /* --------------------- */ rb_define_singleton_method(mTK, "untrust", tk_obj_untrust, 1); rb_define_singleton_method(mTK, "eval_cmd", tk_eval_cmd, -1); rb_define_singleton_method(mTK, "callback", tk_do_callback, -1); rb_define_singleton_method(mTK, "install_cmd", tk_install_cmd, -1); rb_define_singleton_method(mTK, "uninstall_cmd", tk_uninstall_cmd, 1); rb_define_singleton_method(mTK, "_symbolkey2str", tk_symbolkey2str, 1); rb_define_singleton_method(mTK, "hash_kv", tk_hash_kv, -1); rb_define_singleton_method(mTK, "_get_eval_string", tk_get_eval_string, -1); rb_define_singleton_method(mTK, "_get_eval_enc_str", tk_get_eval_enc_str, 1); rb_define_singleton_method(mTK, "_conv_args", tk_conv_args, -1); rb_define_singleton_method(mTK, "bool", tcl2rb_bool, 1); rb_define_singleton_method(mTK, "number", tcl2rb_number, 1); rb_define_singleton_method(mTK, "string", tcl2rb_string, 1); rb_define_singleton_method(mTK, "num_or_str", tcl2rb_num_or_str, 1); rb_define_singleton_method(mTK, "num_or_nil", tcl2rb_num_or_nil, 1); rb_define_method(mTK, "_toUTF8", tk_toUTF8, -1); rb_define_method(mTK, "_fromUTF8", tk_fromUTF8, -1); rb_define_method(mTK, "_symbolkey2str", tk_symbolkey2str, 1); rb_define_method(mTK, "hash_kv", tk_hash_kv, -1); rb_define_method(mTK, "_get_eval_string", tk_get_eval_string, -1); rb_define_method(mTK, "_get_eval_enc_str", tk_get_eval_enc_str, 1); rb_define_method(mTK, "_conv_args", tk_conv_args, -1); rb_define_method(mTK, "bool", tcl2rb_bool, 1); rb_define_method(mTK, "number", tcl2rb_number, 1); rb_define_method(mTK, "string", tcl2rb_string, 1); rb_define_method(mTK, "num_or_str", tcl2rb_num_or_str, 1); rb_define_method(mTK, "num_or_nil", tcl2rb_num_or_nil, 1); /* --------------------- */ rb_global_variable(&ENCODING_NAME_UTF8); ENCODING_NAME_UTF8 = rb_obj_freeze(rb_str_new2("utf-8")); /* --------------------- */ }