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45f59656ae
the total size of environment block to 5,120 chars. and on such OS, putenv() causes SEGV. So, ruby should limit the size of an environment variable to 5,120 bytes for workaround. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
3005 lines
69 KiB
C
3005 lines
69 KiB
C
/**********************************************************************
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hash.c -
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$Author$
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created at: Mon Nov 22 18:51:18 JST 1993
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Copyright (C) 1993-2007 Yukihiro Matsumoto
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Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
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Copyright (C) 2000 Information-technology Promotion Agency, Japan
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**********************************************************************/
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#include "ruby/ruby.h"
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#include "ruby/st.h"
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#include "ruby/util.h"
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#include "ruby/encoding.h"
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#include <errno.h>
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#ifdef __APPLE__
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#include <crt_externs.h>
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#endif
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static VALUE rb_hash_s_try_convert(VALUE, VALUE);
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#define HASH_DELETED FL_USER1
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#define HASH_PROC_DEFAULT FL_USER2
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VALUE
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rb_hash_freeze(VALUE hash)
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{
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return rb_obj_freeze(hash);
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}
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VALUE rb_cHash;
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static VALUE envtbl;
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static ID id_hash, id_yield, id_default;
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static int
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rb_any_cmp(VALUE a, VALUE b)
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{
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if (a == b) return 0;
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if (FIXNUM_P(a) && FIXNUM_P(b)) {
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return a != b;
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}
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if (TYPE(a) == T_STRING && RBASIC(a)->klass == rb_cString &&
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TYPE(b) == T_STRING && RBASIC(b)->klass == rb_cString) {
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return rb_str_hash_cmp(a, b);
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}
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if (a == Qundef || b == Qundef) return -1;
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if (SYMBOL_P(a) && SYMBOL_P(b)) {
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return a != b;
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}
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return !rb_eql(a, b);
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}
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VALUE
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rb_hash(VALUE obj)
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{
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VALUE hval = rb_funcall(obj, id_hash, 0);
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retry:
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switch (TYPE(hval)) {
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case T_FIXNUM:
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return hval;
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case T_BIGNUM:
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return LONG2FIX(((long*)(RBIGNUM_DIGITS(hval)))[0]);
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default:
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hval = rb_to_int(hval);
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goto retry;
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}
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}
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static st_index_t
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rb_any_hash(VALUE a)
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{
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VALUE hval;
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st_index_t hnum;
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switch (TYPE(a)) {
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case T_FIXNUM:
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case T_SYMBOL:
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case T_NIL:
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case T_FALSE:
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case T_TRUE:
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hnum = rb_hash_end(rb_hash_start((unsigned int)a));
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break;
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case T_STRING:
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hnum = rb_str_hash(a);
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break;
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default:
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hval = rb_hash(a);
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hnum = FIX2LONG(hval);
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}
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hnum <<= 1;
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return (st_index_t)RSHIFT(hnum, 1);
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}
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static const struct st_hash_type objhash = {
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rb_any_cmp,
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rb_any_hash,
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};
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static const struct st_hash_type identhash = {
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st_numcmp,
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st_numhash,
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};
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typedef int st_foreach_func(st_data_t, st_data_t, st_data_t);
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struct foreach_safe_arg {
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st_table *tbl;
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st_foreach_func *func;
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st_data_t arg;
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};
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static int
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foreach_safe_i(st_data_t key, st_data_t value, struct foreach_safe_arg *arg)
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{
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int status;
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if (key == Qundef) return ST_CONTINUE;
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status = (*arg->func)(key, value, arg->arg);
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if (status == ST_CONTINUE) {
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return ST_CHECK;
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}
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return status;
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}
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void
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st_foreach_safe(st_table *table, int (*func)(ANYARGS), st_data_t a)
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{
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struct foreach_safe_arg arg;
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arg.tbl = table;
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arg.func = (st_foreach_func *)func;
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arg.arg = a;
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if (st_foreach(table, foreach_safe_i, (st_data_t)&arg)) {
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rb_raise(rb_eRuntimeError, "hash modified during iteration");
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}
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}
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typedef int rb_foreach_func(VALUE, VALUE, VALUE);
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struct hash_foreach_arg {
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VALUE hash;
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rb_foreach_func *func;
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VALUE arg;
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};
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static int
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hash_foreach_iter(st_data_t key, st_data_t value, struct hash_foreach_arg *arg)
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{
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int status;
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st_table *tbl;
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tbl = RHASH(arg->hash)->ntbl;
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if ((VALUE)key == Qundef) return ST_CONTINUE;
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status = (*arg->func)((VALUE)key, (VALUE)value, arg->arg);
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if (RHASH(arg->hash)->ntbl != tbl) {
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rb_raise(rb_eRuntimeError, "rehash occurred during iteration");
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}
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switch (status) {
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case ST_DELETE:
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st_delete_safe(tbl, &key, 0, Qundef);
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FL_SET(arg->hash, HASH_DELETED);
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case ST_CONTINUE:
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break;
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case ST_STOP:
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return ST_STOP;
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}
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return ST_CHECK;
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}
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static VALUE
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hash_foreach_ensure(VALUE hash)
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{
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RHASH(hash)->iter_lev--;
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if (RHASH(hash)->iter_lev == 0) {
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if (FL_TEST(hash, HASH_DELETED)) {
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st_cleanup_safe(RHASH(hash)->ntbl, Qundef);
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FL_UNSET(hash, HASH_DELETED);
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}
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}
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return 0;
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}
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static VALUE
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hash_foreach_call(struct hash_foreach_arg *arg)
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{
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if (st_foreach(RHASH(arg->hash)->ntbl, hash_foreach_iter, (st_data_t)arg)) {
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rb_raise(rb_eRuntimeError, "hash modified during iteration");
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}
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return Qnil;
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}
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void
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rb_hash_foreach(VALUE hash, int (*func)(ANYARGS), VALUE farg)
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{
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struct hash_foreach_arg arg;
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if (!RHASH(hash)->ntbl)
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return;
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RHASH(hash)->iter_lev++;
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arg.hash = hash;
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arg.func = (rb_foreach_func *)func;
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arg.arg = farg;
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rb_ensure(hash_foreach_call, (VALUE)&arg, hash_foreach_ensure, hash);
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}
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static VALUE
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hash_alloc(VALUE klass)
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{
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NEWOBJ(hash, struct RHash);
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OBJSETUP(hash, klass, T_HASH);
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RHASH_IFNONE(hash) = Qnil;
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return (VALUE)hash;
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}
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VALUE
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rb_hash_new(void)
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{
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return hash_alloc(rb_cHash);
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}
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VALUE
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rb_hash_dup(VALUE hash)
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{
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NEWOBJ(ret, struct RHash);
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DUPSETUP(ret, hash);
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if (!RHASH_EMPTY_P(hash))
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ret->ntbl = st_copy(RHASH(hash)->ntbl);
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if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
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FL_SET(ret, HASH_PROC_DEFAULT);
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}
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RHASH_IFNONE(ret) = RHASH_IFNONE(hash);
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return (VALUE)ret;
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}
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static void
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rb_hash_modify_check(VALUE hash)
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{
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rb_check_frozen(hash);
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if (!OBJ_UNTRUSTED(hash) && rb_safe_level() >= 4)
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rb_raise(rb_eSecurityError, "Insecure: can't modify hash");
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}
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struct st_table *
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rb_hash_tbl(VALUE hash)
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{
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if (!RHASH(hash)->ntbl) {
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RHASH(hash)->ntbl = st_init_table(&objhash);
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}
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return RHASH(hash)->ntbl;
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}
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static void
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rb_hash_modify(VALUE hash)
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{
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rb_hash_modify_check(hash);
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rb_hash_tbl(hash);
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}
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static void
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hash_update(VALUE hash, VALUE key)
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{
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if (RHASH(hash)->iter_lev > 0 && !st_lookup(RHASH(hash)->ntbl, key, 0)) {
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rb_raise(rb_eRuntimeError, "can't add a new key into hash during iteration");
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}
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}
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static void
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default_proc_arity_check(VALUE proc)
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{
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int n = rb_proc_arity(proc);
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if (rb_proc_lambda_p(proc) && n != 2 && (n >= 0 || n < -3)) {
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if (n < 0) n = -n-1;
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rb_raise(rb_eTypeError, "default_proc takes two arguments (2 for %d)", n);
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}
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}
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/*
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* call-seq:
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* Hash.new -> new_hash
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* Hash.new(obj) -> new_hash
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* Hash.new {|hash, key| block } -> new_hash
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*
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* Returns a new, empty hash. If this hash is subsequently accessed by
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* a key that doesn't correspond to a hash entry, the value returned
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* depends on the style of <code>new</code> used to create the hash. In
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* the first form, the access returns <code>nil</code>. If
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* <i>obj</i> is specified, this single object will be used for
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* all <em>default values</em>. If a block is specified, it will be
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* called with the hash object and the key, and should return the
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* default value. It is the block's responsibility to store the value
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* in the hash if required.
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*
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* h = Hash.new("Go Fish")
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* h["a"] = 100
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* h["b"] = 200
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* h["a"] #=> 100
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* h["c"] #=> "Go Fish"
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* # The following alters the single default object
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* h["c"].upcase! #=> "GO FISH"
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* h["d"] #=> "GO FISH"
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* h.keys #=> ["a", "b"]
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*
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* # While this creates a new default object each time
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* h = Hash.new { |hash, key| hash[key] = "Go Fish: #{key}" }
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* h["c"] #=> "Go Fish: c"
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* h["c"].upcase! #=> "GO FISH: C"
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* h["d"] #=> "Go Fish: d"
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* h.keys #=> ["c", "d"]
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*
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*/
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static VALUE
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rb_hash_initialize(int argc, VALUE *argv, VALUE hash)
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{
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VALUE ifnone;
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rb_hash_modify(hash);
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if (rb_block_given_p()) {
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if (argc > 0) {
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rb_raise(rb_eArgError, "wrong number of arguments");
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}
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ifnone = rb_block_proc();
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default_proc_arity_check(ifnone);
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RHASH_IFNONE(hash) = ifnone;
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FL_SET(hash, HASH_PROC_DEFAULT);
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}
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else {
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rb_scan_args(argc, argv, "01", &ifnone);
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RHASH_IFNONE(hash) = ifnone;
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}
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return hash;
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}
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/*
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* call-seq:
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* Hash[ key, value, ... ] -> new_hash
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* Hash[ [ [key, value], ... ] ] -> new_hash
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* Hash[ object ] -> new_hash
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*
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* Creates a new hash populated with the given objects. Equivalent to
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* the literal <code>{ <i>key</i> => <i>value</i>, ... }</code>. In the first
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* form, keys and values occur in pairs, so there must be an even number of arguments.
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* The second and third form take a single argument which is either
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* an array of key-value pairs or an object convertible to a hash.
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*
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* Hash["a", 100, "b", 200] #=> {"a"=>100, "b"=>200}
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* Hash[ [ ["a", 100], ["b", 200] ] ] #=> {"a"=>100, "b"=>200}
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* Hash["a" => 100, "b" => 200] #=> {"a"=>100, "b"=>200}
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*/
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static VALUE
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rb_hash_s_create(int argc, VALUE *argv, VALUE klass)
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{
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VALUE hash, tmp;
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int i;
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if (argc == 1) {
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tmp = rb_hash_s_try_convert(Qnil, argv[0]);
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if (!NIL_P(tmp)) {
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hash = hash_alloc(klass);
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if (RHASH(tmp)->ntbl) {
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RHASH(hash)->ntbl = st_copy(RHASH(tmp)->ntbl);
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}
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return hash;
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}
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tmp = rb_check_array_type(argv[0]);
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if (!NIL_P(tmp)) {
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long i;
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hash = hash_alloc(klass);
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for (i = 0; i < RARRAY_LEN(tmp); ++i) {
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VALUE v = rb_check_array_type(RARRAY_PTR(tmp)[i]);
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VALUE key, val = Qnil;
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if (NIL_P(v)) continue;
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switch (RARRAY_LEN(v)) {
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case 2:
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val = RARRAY_PTR(v)[1];
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case 1:
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key = RARRAY_PTR(v)[0];
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rb_hash_aset(hash, key, val);
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}
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}
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return hash;
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}
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}
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if (argc % 2 != 0) {
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rb_raise(rb_eArgError, "odd number of arguments for Hash");
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}
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hash = hash_alloc(klass);
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for (i=0; i<argc; i+=2) {
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rb_hash_aset(hash, argv[i], argv[i + 1]);
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}
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return hash;
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}
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static VALUE
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to_hash(VALUE hash)
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{
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return rb_convert_type(hash, T_HASH, "Hash", "to_hash");
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}
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VALUE
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rb_check_hash_type(VALUE hash)
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{
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return rb_check_convert_type(hash, T_HASH, "Hash", "to_hash");
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}
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/*
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* call-seq:
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* Hash.try_convert(obj) -> hash or nil
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*
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* Try to convert <i>obj</i> into a hash, using to_hash method.
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* Returns converted hash or nil if <i>obj</i> cannot be converted
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* for any reason.
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*
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* Hash.try_convert({1=>2}) # => {1=>2}
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* Hash.try_convert("1=>2") # => nil
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*/
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static VALUE
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rb_hash_s_try_convert(VALUE dummy, VALUE hash)
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{
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return rb_check_hash_type(hash);
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}
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static int
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rb_hash_rehash_i(VALUE key, VALUE value, VALUE arg)
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{
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st_table *tbl = (st_table *)arg;
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if (key != Qundef) st_insert(tbl, key, value);
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return ST_CONTINUE;
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}
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/*
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* call-seq:
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* hsh.rehash -> hsh
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*
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* Rebuilds the hash based on the current hash values for each key. If
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* values of key objects have changed since they were inserted, this
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* method will reindex <i>hsh</i>. If <code>Hash#rehash</code> is
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* called while an iterator is traversing the hash, an
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* <code>RuntimeError</code> will be raised in the iterator.
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*
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* a = [ "a", "b" ]
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* c = [ "c", "d" ]
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* h = { a => 100, c => 300 }
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* h[a] #=> 100
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* a[0] = "z"
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* h[a] #=> nil
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* h.rehash #=> {["z", "b"]=>100, ["c", "d"]=>300}
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* h[a] #=> 100
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*/
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|
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static VALUE
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rb_hash_rehash(VALUE hash)
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{
|
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st_table *tbl;
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|
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if (RHASH(hash)->iter_lev > 0) {
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rb_raise(rb_eRuntimeError, "rehash during iteration");
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}
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rb_hash_modify_check(hash);
|
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if (!RHASH(hash)->ntbl)
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return hash;
|
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tbl = st_init_table_with_size(RHASH(hash)->ntbl->type, RHASH(hash)->ntbl->num_entries);
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rb_hash_foreach(hash, rb_hash_rehash_i, (VALUE)tbl);
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st_free_table(RHASH(hash)->ntbl);
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RHASH(hash)->ntbl = tbl;
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|
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return hash;
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}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh[key] -> value
|
|
*
|
|
* Element Reference---Retrieves the <i>value</i> object corresponding
|
|
* to the <i>key</i> object. If not found, returns the default value (see
|
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* <code>Hash::new</code> for details).
|
|
*
|
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* h = { "a" => 100, "b" => 200 }
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* h["a"] #=> 100
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* h["c"] #=> nil
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*
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|
*/
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|
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VALUE
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rb_hash_aref(VALUE hash, VALUE key)
|
|
{
|
|
st_data_t val;
|
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|
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if (!RHASH(hash)->ntbl || !st_lookup(RHASH(hash)->ntbl, key, &val)) {
|
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int rb_method_basic_definition_p(VALUE klass, ID id);
|
|
if (!FL_TEST(hash, HASH_PROC_DEFAULT) &&
|
|
rb_method_basic_definition_p(CLASS_OF(hash), id_default)) {
|
|
return RHASH_IFNONE(hash);
|
|
}
|
|
else {
|
|
return rb_funcall(hash, id_default, 1, key);
|
|
}
|
|
}
|
|
return (VALUE)val;
|
|
}
|
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|
|
VALUE
|
|
rb_hash_lookup2(VALUE hash, VALUE key, VALUE def)
|
|
{
|
|
st_data_t val;
|
|
|
|
if (!RHASH(hash)->ntbl || !st_lookup(RHASH(hash)->ntbl, key, &val)) {
|
|
return def; /* without Hash#default */
|
|
}
|
|
return (VALUE)val;
|
|
}
|
|
|
|
VALUE
|
|
rb_hash_lookup(VALUE hash, VALUE key)
|
|
{
|
|
return rb_hash_lookup2(hash, key, Qnil);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.fetch(key [, default] ) -> obj
|
|
* hsh.fetch(key) {| key | block } -> obj
|
|
*
|
|
* Returns a value from the hash for the given key. If the key can't be
|
|
* found, there are several options: With no other arguments, it will
|
|
* raise an <code>KeyError</code> exception; if <i>default</i> is
|
|
* given, then that will be returned; if the optional code block is
|
|
* specified, then that will be run and its result returned.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.fetch("a") #=> 100
|
|
* h.fetch("z", "go fish") #=> "go fish"
|
|
* h.fetch("z") { |el| "go fish, #{el}"} #=> "go fish, z"
|
|
*
|
|
* The following example shows that an exception is raised if the key
|
|
* is not found and a default value is not supplied.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.fetch("z")
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* prog.rb:2:in `fetch': key not found (KeyError)
|
|
* from prog.rb:2
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_fetch_m(int argc, VALUE *argv, VALUE hash)
|
|
{
|
|
VALUE key, if_none;
|
|
st_data_t val;
|
|
long block_given;
|
|
|
|
rb_scan_args(argc, argv, "11", &key, &if_none);
|
|
|
|
block_given = rb_block_given_p();
|
|
if (block_given && argc == 2) {
|
|
rb_warn("block supersedes default value argument");
|
|
}
|
|
if (!RHASH(hash)->ntbl || !st_lookup(RHASH(hash)->ntbl, key, &val)) {
|
|
if (block_given) return rb_yield(key);
|
|
if (argc == 1) {
|
|
volatile VALUE desc = rb_protect(rb_inspect, key, 0);
|
|
if (NIL_P(desc)) {
|
|
desc = rb_any_to_s(key);
|
|
}
|
|
desc = rb_str_ellipsize(desc, 65);
|
|
rb_raise(rb_eKeyError, "key not found: %s", RSTRING_PTR(desc));
|
|
}
|
|
return if_none;
|
|
}
|
|
return (VALUE)val;
|
|
}
|
|
|
|
VALUE
|
|
rb_hash_fetch(VALUE hash, VALUE key)
|
|
{
|
|
return rb_hash_fetch_m(1, &key, hash);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.default(key=nil) -> obj
|
|
*
|
|
* Returns the default value, the value that would be returned by
|
|
* <i>hsh</i>[<i>key</i>] if <i>key</i> did not exist in <i>hsh</i>.
|
|
* See also <code>Hash::new</code> and <code>Hash#default=</code>.
|
|
*
|
|
* h = Hash.new #=> {}
|
|
* h.default #=> nil
|
|
* h.default(2) #=> nil
|
|
*
|
|
* h = Hash.new("cat") #=> {}
|
|
* h.default #=> "cat"
|
|
* h.default(2) #=> "cat"
|
|
*
|
|
* h = Hash.new {|h,k| h[k] = k.to_i*10} #=> {}
|
|
* h.default #=> nil
|
|
* h.default(2) #=> 20
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_default(int argc, VALUE *argv, VALUE hash)
|
|
{
|
|
VALUE key, ifnone;
|
|
|
|
rb_scan_args(argc, argv, "01", &key);
|
|
ifnone = RHASH_IFNONE(hash);
|
|
if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
|
|
if (argc == 0) return Qnil;
|
|
return rb_funcall(ifnone, id_yield, 2, hash, key);
|
|
}
|
|
return ifnone;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.default = obj -> obj
|
|
*
|
|
* Sets the default value, the value returned for a key that does not
|
|
* exist in the hash. It is not possible to set the default to a
|
|
* <code>Proc</code> that will be executed on each key lookup.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.default = "Go fish"
|
|
* h["a"] #=> 100
|
|
* h["z"] #=> "Go fish"
|
|
* # This doesn't do what you might hope...
|
|
* h.default = proc do |hash, key|
|
|
* hash[key] = key + key
|
|
* end
|
|
* h[2] #=> #<Proc:0x401b3948@-:6>
|
|
* h["cat"] #=> #<Proc:0x401b3948@-:6>
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_set_default(VALUE hash, VALUE ifnone)
|
|
{
|
|
rb_hash_modify(hash);
|
|
RHASH_IFNONE(hash) = ifnone;
|
|
FL_UNSET(hash, HASH_PROC_DEFAULT);
|
|
return ifnone;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.default_proc -> anObject
|
|
*
|
|
* If <code>Hash::new</code> was invoked with a block, return that
|
|
* block, otherwise return <code>nil</code>.
|
|
*
|
|
* h = Hash.new {|h,k| h[k] = k*k } #=> {}
|
|
* p = h.default_proc #=> #<Proc:0x401b3d08@-:1>
|
|
* a = [] #=> []
|
|
* p.call(a, 2)
|
|
* a #=> [nil, nil, 4]
|
|
*/
|
|
|
|
|
|
static VALUE
|
|
rb_hash_default_proc(VALUE hash)
|
|
{
|
|
if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
|
|
return RHASH_IFNONE(hash);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
VALUE rb_obj_is_proc(VALUE proc);
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.default_proc = proc_obj -> proc_obj
|
|
*
|
|
* Sets the default proc to be executed on each key lookup.
|
|
*
|
|
* h.default_proc = proc do |hash, key|
|
|
* hash[key] = key + key
|
|
* end
|
|
* h[2] #=> 4
|
|
* h["cat"] #=> "catcat"
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_set_default_proc(VALUE hash, VALUE proc)
|
|
{
|
|
VALUE b;
|
|
|
|
rb_hash_modify(hash);
|
|
b = rb_check_convert_type(proc, T_DATA, "Proc", "to_proc");
|
|
if (NIL_P(b) || !rb_obj_is_proc(b)) {
|
|
rb_raise(rb_eTypeError,
|
|
"wrong default_proc type %s (expected Proc)",
|
|
rb_obj_classname(proc));
|
|
}
|
|
proc = b;
|
|
default_proc_arity_check(proc);
|
|
RHASH_IFNONE(hash) = proc;
|
|
FL_SET(hash, HASH_PROC_DEFAULT);
|
|
return proc;
|
|
}
|
|
|
|
static int
|
|
key_i(VALUE key, VALUE value, VALUE arg)
|
|
{
|
|
VALUE *args = (VALUE *)arg;
|
|
|
|
if (rb_equal(value, args[0])) {
|
|
args[1] = key;
|
|
return ST_STOP;
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.key(value) -> key
|
|
*
|
|
* Returns the key for a given value. If not found, returns <code>nil</code>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.key(200) #=> "b"
|
|
* h.key(999) #=> nil
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_key(VALUE hash, VALUE value)
|
|
{
|
|
VALUE args[2];
|
|
|
|
args[0] = value;
|
|
args[1] = Qnil;
|
|
|
|
rb_hash_foreach(hash, key_i, (VALUE)args);
|
|
|
|
return args[1];
|
|
}
|
|
|
|
/* :nodoc: */
|
|
static VALUE
|
|
rb_hash_index(VALUE hash, VALUE value)
|
|
{
|
|
rb_warn("Hash#index is deprecated; use Hash#key");
|
|
return rb_hash_key(hash, value);
|
|
}
|
|
|
|
static VALUE
|
|
rb_hash_delete_key(VALUE hash, VALUE key)
|
|
{
|
|
st_data_t ktmp = (st_data_t)key, val;
|
|
|
|
if (!RHASH(hash)->ntbl)
|
|
return Qundef;
|
|
if (RHASH(hash)->iter_lev > 0) {
|
|
if (st_delete_safe(RHASH(hash)->ntbl, &ktmp, &val, Qundef)) {
|
|
FL_SET(hash, HASH_DELETED);
|
|
return (VALUE)val;
|
|
}
|
|
}
|
|
else if (st_delete(RHASH(hash)->ntbl, &ktmp, &val))
|
|
return (VALUE)val;
|
|
return Qundef;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.delete(key) -> value
|
|
* hsh.delete(key) {| key | block } -> value
|
|
*
|
|
* Deletes and returns a key-value pair from <i>hsh</i> whose key is
|
|
* equal to <i>key</i>. If the key is not found, returns the
|
|
* <em>default value</em>. If the optional code block is given and the
|
|
* key is not found, pass in the key and return the result of
|
|
* <i>block</i>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.delete("a") #=> 100
|
|
* h.delete("z") #=> nil
|
|
* h.delete("z") { |el| "#{el} not found" } #=> "z not found"
|
|
*
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_delete(VALUE hash, VALUE key)
|
|
{
|
|
VALUE val;
|
|
|
|
rb_hash_modify(hash);
|
|
val = rb_hash_delete_key(hash, key);
|
|
if (val != Qundef) return val;
|
|
if (rb_block_given_p()) {
|
|
return rb_yield(key);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
struct shift_var {
|
|
VALUE key;
|
|
VALUE val;
|
|
};
|
|
|
|
static int
|
|
shift_i(VALUE key, VALUE value, VALUE arg)
|
|
{
|
|
struct shift_var *var = (struct shift_var *)arg;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (var->key != Qundef) return ST_STOP;
|
|
var->key = key;
|
|
var->val = value;
|
|
return ST_DELETE;
|
|
}
|
|
|
|
static int
|
|
shift_i_safe(VALUE key, VALUE value, VALUE arg)
|
|
{
|
|
struct shift_var *var = (struct shift_var *)arg;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
var->key = key;
|
|
var->val = value;
|
|
return ST_STOP;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.shift -> anArray or obj
|
|
*
|
|
* Removes a key-value pair from <i>hsh</i> and returns it as the
|
|
* two-item array <code>[</code> <i>key, value</i> <code>]</code>, or
|
|
* the hash's default value if the hash is empty.
|
|
*
|
|
* h = { 1 => "a", 2 => "b", 3 => "c" }
|
|
* h.shift #=> [1, "a"]
|
|
* h #=> {2=>"b", 3=>"c"}
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_shift(VALUE hash)
|
|
{
|
|
struct shift_var var;
|
|
|
|
rb_hash_modify(hash);
|
|
var.key = Qundef;
|
|
rb_hash_foreach(hash, RHASH(hash)->iter_lev > 0 ? shift_i_safe : shift_i,
|
|
(VALUE)&var);
|
|
|
|
if (var.key != Qundef) {
|
|
if (RHASH(hash)->iter_lev > 0) {
|
|
rb_hash_delete_key(hash, var.key);
|
|
}
|
|
return rb_assoc_new(var.key, var.val);
|
|
}
|
|
else if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
|
|
return rb_funcall(RHASH_IFNONE(hash), id_yield, 2, hash, Qnil);
|
|
}
|
|
else {
|
|
return RHASH_IFNONE(hash);
|
|
}
|
|
}
|
|
|
|
static int
|
|
delete_if_i(VALUE key, VALUE value, VALUE hash)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (RTEST(rb_yield_values(2, key, value))) {
|
|
rb_hash_delete_key(hash, key);
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.delete_if {| key, value | block } -> hsh
|
|
* hsh.delete_if -> an_enumerator
|
|
*
|
|
* Deletes every key-value pair from <i>hsh</i> for which <i>block</i>
|
|
* evaluates to <code>true</code>.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* h = { "a" => 100, "b" => 200, "c" => 300 }
|
|
* h.delete_if {|key, value| key >= "b" } #=> {"a"=>100}
|
|
*
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_delete_if(VALUE hash)
|
|
{
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_modify(hash);
|
|
rb_hash_foreach(hash, delete_if_i, hash);
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.reject! {| key, value | block } -> hsh or nil
|
|
* hsh.reject! -> an_enumerator
|
|
*
|
|
* Equivalent to <code>Hash#delete_if</code>, but returns
|
|
* <code>nil</code> if no changes were made.
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_reject_bang(VALUE hash)
|
|
{
|
|
st_index_t n;
|
|
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_modify(hash);
|
|
if (!RHASH(hash)->ntbl)
|
|
return Qnil;
|
|
n = RHASH(hash)->ntbl->num_entries;
|
|
rb_hash_foreach(hash, delete_if_i, hash);
|
|
if (n == RHASH(hash)->ntbl->num_entries) return Qnil;
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.reject {| key, value | block } -> a_hash
|
|
*
|
|
* Same as <code>Hash#delete_if</code>, but works on (and returns) a
|
|
* copy of the <i>hsh</i>. Equivalent to
|
|
* <code><i>hsh</i>.dup.delete_if</code>.
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_reject(VALUE hash)
|
|
{
|
|
return rb_hash_delete_if(rb_obj_dup(hash));
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.values_at(key, ...) -> array
|
|
*
|
|
* Return an array containing the values associated with the given keys.
|
|
* Also see <code>Hash.select</code>.
|
|
*
|
|
* h = { "cat" => "feline", "dog" => "canine", "cow" => "bovine" }
|
|
* h.values_at("cow", "cat") #=> ["bovine", "feline"]
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_values_at(int argc, VALUE *argv, VALUE hash)
|
|
{
|
|
VALUE result = rb_ary_new2(argc);
|
|
long i;
|
|
|
|
for (i=0; i<argc; i++) {
|
|
rb_ary_push(result, rb_hash_aref(hash, argv[i]));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
select_i(VALUE key, VALUE value, VALUE result)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (RTEST(rb_yield_values(2, key, value)))
|
|
rb_hash_aset(result, key, value);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.select {|key, value| block} -> a_hash
|
|
* hsh.select -> an_enumerator
|
|
*
|
|
* Returns a new hash consisting of entries for which the block returns true.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* h = { "a" => 100, "b" => 200, "c" => 300 }
|
|
* h.select {|k,v| k > "a"} #=> {"b" => 200, "c" => 300}
|
|
* h.select {|k,v| v < 200} #=> {"a" => 100}
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_select(VALUE hash)
|
|
{
|
|
VALUE result;
|
|
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
result = rb_hash_new();
|
|
rb_hash_foreach(hash, select_i, result);
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
keep_if_i(VALUE key, VALUE value, VALUE hash)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (!RTEST(rb_yield_values(2, key, value))) {
|
|
return ST_DELETE;
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.select! {| key, value | block } -> hsh or nil
|
|
* hsh.select! -> an_enumerator
|
|
*
|
|
* Equivalent to <code>Hash#keep_if</code>, but returns
|
|
* <code>nil</code> if no changes were made.
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_select_bang(VALUE hash)
|
|
{
|
|
st_index_t n;
|
|
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_modify(hash);
|
|
if (!RHASH(hash)->ntbl)
|
|
return Qnil;
|
|
n = RHASH(hash)->ntbl->num_entries;
|
|
rb_hash_foreach(hash, keep_if_i, hash);
|
|
if (n == RHASH(hash)->ntbl->num_entries) return Qnil;
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.keep_if {| key, value | block } -> hsh
|
|
* hsh.keep_if -> an_enumerator
|
|
*
|
|
* Deletes every key-value pair from <i>hsh</i> for which <i>block</i>
|
|
* evaluates to false.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_keep_if(VALUE hash)
|
|
{
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_modify(hash);
|
|
rb_hash_foreach(hash, keep_if_i, hash);
|
|
return hash;
|
|
}
|
|
|
|
static int
|
|
clear_i(VALUE key, VALUE value, VALUE dummy)
|
|
{
|
|
return ST_DELETE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.clear -> hsh
|
|
*
|
|
* Removes all key-value pairs from <i>hsh</i>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 } #=> {"a"=>100, "b"=>200}
|
|
* h.clear #=> {}
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_clear(VALUE hash)
|
|
{
|
|
rb_hash_modify_check(hash);
|
|
if (!RHASH(hash)->ntbl)
|
|
return hash;
|
|
if (RHASH(hash)->ntbl->num_entries > 0) {
|
|
if (RHASH(hash)->iter_lev > 0)
|
|
rb_hash_foreach(hash, clear_i, 0);
|
|
else
|
|
st_clear(RHASH(hash)->ntbl);
|
|
}
|
|
|
|
return hash;
|
|
}
|
|
|
|
static st_data_t
|
|
copy_str_key(st_data_t str)
|
|
{
|
|
return (st_data_t)rb_str_new4((VALUE)str);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh[key] = value -> value
|
|
* hsh.store(key, value) -> value
|
|
*
|
|
* Element Assignment---Associates the value given by
|
|
* <i>value</i> with the key given by <i>key</i>.
|
|
* <i>key</i> should not have its value changed while it is in
|
|
* use as a key (a <code>String</code> passed as a key will be
|
|
* duplicated and frozen).
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h["a"] = 9
|
|
* h["c"] = 4
|
|
* h #=> {"a"=>9, "b"=>200, "c"=>4}
|
|
*
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_aset(VALUE hash, VALUE key, VALUE val)
|
|
{
|
|
rb_hash_modify(hash);
|
|
hash_update(hash, key);
|
|
if (RHASH(hash)->ntbl->type == &identhash || rb_obj_class(key) != rb_cString) {
|
|
st_insert(RHASH(hash)->ntbl, key, val);
|
|
}
|
|
else {
|
|
st_insert2(RHASH(hash)->ntbl, key, val, copy_str_key);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static int
|
|
replace_i(VALUE key, VALUE val, VALUE hash)
|
|
{
|
|
if (key != Qundef) {
|
|
rb_hash_aset(hash, key, val);
|
|
}
|
|
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.replace(other_hash) -> hsh
|
|
*
|
|
* Replaces the contents of <i>hsh</i> with the contents of
|
|
* <i>other_hash</i>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.replace({ "c" => 300, "d" => 400 }) #=> {"c"=>300, "d"=>400}
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_replace(VALUE hash, VALUE hash2)
|
|
{
|
|
rb_hash_modify_check(hash);
|
|
hash2 = to_hash(hash2);
|
|
if (hash == hash2) return hash;
|
|
rb_hash_clear(hash);
|
|
if (RHASH(hash2)->ntbl) {
|
|
rb_hash_tbl(hash);
|
|
RHASH(hash)->ntbl->type = RHASH(hash2)->ntbl->type;
|
|
}
|
|
rb_hash_foreach(hash2, replace_i, hash);
|
|
RHASH_IFNONE(hash) = RHASH_IFNONE(hash2);
|
|
if (FL_TEST(hash2, HASH_PROC_DEFAULT)) {
|
|
FL_SET(hash, HASH_PROC_DEFAULT);
|
|
}
|
|
else {
|
|
FL_UNSET(hash, HASH_PROC_DEFAULT);
|
|
}
|
|
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.length -> fixnum
|
|
* hsh.size -> fixnum
|
|
*
|
|
* Returns the number of key-value pairs in the hash.
|
|
*
|
|
* h = { "d" => 100, "a" => 200, "v" => 300, "e" => 400 }
|
|
* h.length #=> 4
|
|
* h.delete("a") #=> 200
|
|
* h.length #=> 3
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_size(VALUE hash)
|
|
{
|
|
if (!RHASH(hash)->ntbl)
|
|
return INT2FIX(0);
|
|
return INT2FIX(RHASH(hash)->ntbl->num_entries);
|
|
}
|
|
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.empty? -> true or false
|
|
*
|
|
* Returns <code>true</code> if <i>hsh</i> contains no key-value pairs.
|
|
*
|
|
* {}.empty? #=> true
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_empty_p(VALUE hash)
|
|
{
|
|
return RHASH_EMPTY_P(hash) ? Qtrue : Qfalse;
|
|
}
|
|
|
|
static int
|
|
each_value_i(VALUE key, VALUE value)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_yield(value);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.each_value {| value | block } -> hsh
|
|
* hsh.each_value -> an_enumerator
|
|
*
|
|
* Calls <i>block</i> once for each key in <i>hsh</i>, passing the
|
|
* value as a parameter.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.each_value {|value| puts value }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* 100
|
|
* 200
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_each_value(VALUE hash)
|
|
{
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_foreach(hash, each_value_i, 0);
|
|
return hash;
|
|
}
|
|
|
|
static int
|
|
each_key_i(VALUE key, VALUE value)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_yield(key);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.each_key {| key | block } -> hsh
|
|
* hsh.each_key -> an_enumerator
|
|
*
|
|
* Calls <i>block</i> once for each key in <i>hsh</i>, passing the key
|
|
* as a parameter.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.each_key {|key| puts key }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* a
|
|
* b
|
|
*/
|
|
static VALUE
|
|
rb_hash_each_key(VALUE hash)
|
|
{
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_foreach(hash, each_key_i, 0);
|
|
return hash;
|
|
}
|
|
|
|
static int
|
|
each_pair_i(VALUE key, VALUE value)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_yield(rb_assoc_new(key, value));
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.each {| key, value | block } -> hsh
|
|
* hsh.each_pair {| key, value | block } -> hsh
|
|
* hsh.each -> an_enumerator
|
|
* hsh.each_pair -> an_enumerator
|
|
*
|
|
* Calls <i>block</i> once for each key in <i>hsh</i>, passing the key-value
|
|
* pair as parameters.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.each {|key, value| puts "#{key} is #{value}" }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* a is 100
|
|
* b is 200
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_each_pair(VALUE hash)
|
|
{
|
|
RETURN_ENUMERATOR(hash, 0, 0);
|
|
rb_hash_foreach(hash, each_pair_i, 0);
|
|
return hash;
|
|
}
|
|
|
|
static int
|
|
to_a_i(VALUE key, VALUE value, VALUE ary)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_ary_push(ary, rb_assoc_new(key, value));
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.to_a -> array
|
|
*
|
|
* Converts <i>hsh</i> to a nested array of <code>[</code> <i>key,
|
|
* value</i> <code>]</code> arrays.
|
|
*
|
|
* h = { "c" => 300, "a" => 100, "d" => 400, "c" => 300 }
|
|
* h.to_a #=> [["c", 300], ["a", 100], ["d", 400]]
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_to_a(VALUE hash)
|
|
{
|
|
VALUE ary;
|
|
|
|
ary = rb_ary_new();
|
|
rb_hash_foreach(hash, to_a_i, ary);
|
|
OBJ_INFECT(ary, hash);
|
|
|
|
return ary;
|
|
}
|
|
|
|
static int
|
|
inspect_i(VALUE key, VALUE value, VALUE str)
|
|
{
|
|
VALUE str2;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
str2 = rb_inspect(key);
|
|
if (RSTRING_LEN(str) > 1) {
|
|
rb_str_cat2(str, ", ");
|
|
}
|
|
else {
|
|
rb_enc_copy(str, str2);
|
|
}
|
|
rb_str_buf_append(str, str2);
|
|
OBJ_INFECT(str, str2);
|
|
rb_str_buf_cat2(str, "=>");
|
|
str2 = rb_inspect(value);
|
|
rb_str_buf_append(str, str2);
|
|
OBJ_INFECT(str, str2);
|
|
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static VALUE
|
|
inspect_hash(VALUE hash, VALUE dummy, int recur)
|
|
{
|
|
VALUE str;
|
|
|
|
if (recur) return rb_usascii_str_new2("{...}");
|
|
str = rb_str_buf_new2("{");
|
|
rb_hash_foreach(hash, inspect_i, str);
|
|
rb_str_buf_cat2(str, "}");
|
|
OBJ_INFECT(str, hash);
|
|
|
|
return str;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.to_s -> string
|
|
* hsh.inspect -> string
|
|
*
|
|
* Return the contents of this hash as a string.
|
|
*
|
|
* h = { "c" => 300, "a" => 100, "d" => 400, "c" => 300 }
|
|
* h.to_s #=> "{\"c\"=>300, \"a\"=>100, \"d\"=>400}"
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_inspect(VALUE hash)
|
|
{
|
|
if (RHASH_EMPTY_P(hash))
|
|
return rb_usascii_str_new2("{}");
|
|
return rb_exec_recursive(inspect_hash, hash, 0);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.to_hash => hsh
|
|
*
|
|
* Returns +self+.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_to_hash(VALUE hash)
|
|
{
|
|
return hash;
|
|
}
|
|
|
|
static int
|
|
keys_i(VALUE key, VALUE value, VALUE ary)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_ary_push(ary, key);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.keys -> array
|
|
*
|
|
* Returns a new array populated with the keys from this hash. See also
|
|
* <code>Hash#values</code>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200, "c" => 300, "d" => 400 }
|
|
* h.keys #=> ["a", "b", "c", "d"]
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_keys(VALUE hash)
|
|
{
|
|
VALUE ary;
|
|
|
|
ary = rb_ary_new();
|
|
rb_hash_foreach(hash, keys_i, ary);
|
|
|
|
return ary;
|
|
}
|
|
|
|
static int
|
|
values_i(VALUE key, VALUE value, VALUE ary)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_ary_push(ary, value);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.values -> array
|
|
*
|
|
* Returns a new array populated with the values from <i>hsh</i>. See
|
|
* also <code>Hash#keys</code>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200, "c" => 300 }
|
|
* h.values #=> [100, 200, 300]
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_values(VALUE hash)
|
|
{
|
|
VALUE ary;
|
|
|
|
ary = rb_ary_new();
|
|
rb_hash_foreach(hash, values_i, ary);
|
|
|
|
return ary;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.has_key?(key) -> true or false
|
|
* hsh.include?(key) -> true or false
|
|
* hsh.key?(key) -> true or false
|
|
* hsh.member?(key) -> true or false
|
|
*
|
|
* Returns <code>true</code> if the given key is present in <i>hsh</i>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.has_key?("a") #=> true
|
|
* h.has_key?("z") #=> false
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_has_key(VALUE hash, VALUE key)
|
|
{
|
|
if (!RHASH(hash)->ntbl)
|
|
return Qfalse;
|
|
if (st_lookup(RHASH(hash)->ntbl, key, 0)) {
|
|
return Qtrue;
|
|
}
|
|
return Qfalse;
|
|
}
|
|
|
|
static int
|
|
rb_hash_search_value(VALUE key, VALUE value, VALUE arg)
|
|
{
|
|
VALUE *data = (VALUE *)arg;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (rb_equal(value, data[1])) {
|
|
data[0] = Qtrue;
|
|
return ST_STOP;
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.has_value?(value) -> true or false
|
|
* hsh.value?(value) -> true or false
|
|
*
|
|
* Returns <code>true</code> if the given value is present for some key
|
|
* in <i>hsh</i>.
|
|
*
|
|
* h = { "a" => 100, "b" => 200 }
|
|
* h.has_value?(100) #=> true
|
|
* h.has_value?(999) #=> false
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_has_value(VALUE hash, VALUE val)
|
|
{
|
|
VALUE data[2];
|
|
|
|
data[0] = Qfalse;
|
|
data[1] = val;
|
|
rb_hash_foreach(hash, rb_hash_search_value, (VALUE)data);
|
|
return data[0];
|
|
}
|
|
|
|
struct equal_data {
|
|
VALUE result;
|
|
st_table *tbl;
|
|
int eql;
|
|
};
|
|
|
|
static int
|
|
eql_i(VALUE key, VALUE val1, VALUE arg)
|
|
{
|
|
struct equal_data *data = (struct equal_data *)arg;
|
|
st_data_t val2;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (!st_lookup(data->tbl, key, &val2)) {
|
|
data->result = Qfalse;
|
|
return ST_STOP;
|
|
}
|
|
if (!(data->eql ? rb_eql(val1, (VALUE)val2) : (int)rb_equal(val1, (VALUE)val2))) {
|
|
data->result = Qfalse;
|
|
return ST_STOP;
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static VALUE
|
|
recursive_eql(VALUE hash, VALUE dt, int recur)
|
|
{
|
|
struct equal_data *data;
|
|
|
|
if (recur) return Qtrue; /* Subtle! */
|
|
data = (struct equal_data*)dt;
|
|
data->result = Qtrue;
|
|
rb_hash_foreach(hash, eql_i, dt);
|
|
|
|
return data->result;
|
|
}
|
|
|
|
static VALUE
|
|
hash_equal(VALUE hash1, VALUE hash2, int eql)
|
|
{
|
|
struct equal_data data;
|
|
|
|
if (hash1 == hash2) return Qtrue;
|
|
if (TYPE(hash2) != T_HASH) {
|
|
if (!rb_respond_to(hash2, rb_intern("to_hash"))) {
|
|
return Qfalse;
|
|
}
|
|
if (eql)
|
|
return rb_eql(hash2, hash1);
|
|
else
|
|
return rb_equal(hash2, hash1);
|
|
}
|
|
if (RHASH_SIZE(hash1) != RHASH_SIZE(hash2))
|
|
return Qfalse;
|
|
if (!RHASH(hash1)->ntbl || !RHASH(hash2)->ntbl)
|
|
return Qtrue;
|
|
if (RHASH(hash1)->ntbl->type != RHASH(hash2)->ntbl->type)
|
|
return Qfalse;
|
|
#if 0
|
|
if (!(rb_equal(RHASH_IFNONE(hash1), RHASH_IFNONE(hash2)) &&
|
|
FL_TEST(hash1, HASH_PROC_DEFAULT) == FL_TEST(hash2, HASH_PROC_DEFAULT)))
|
|
return Qfalse;
|
|
#endif
|
|
|
|
data.tbl = RHASH(hash2)->ntbl;
|
|
data.eql = eql;
|
|
return rb_exec_recursive_paired(recursive_eql, hash1, hash2, (VALUE)&data);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh == other_hash -> true or false
|
|
*
|
|
* Equality---Two hashes are equal if they each contain the same number
|
|
* of keys and if each key-value pair is equal to (according to
|
|
* <code>Object#==</code>) the corresponding elements in the other
|
|
* hash.
|
|
*
|
|
* h1 = { "a" => 1, "c" => 2 }
|
|
* h2 = { 7 => 35, "c" => 2, "a" => 1 }
|
|
* h3 = { "a" => 1, "c" => 2, 7 => 35 }
|
|
* h4 = { "a" => 1, "d" => 2, "f" => 35 }
|
|
* h1 == h2 #=> false
|
|
* h2 == h3 #=> true
|
|
* h3 == h4 #=> false
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_equal(VALUE hash1, VALUE hash2)
|
|
{
|
|
return hash_equal(hash1, hash2, FALSE);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hash.eql?(other) -> true or false
|
|
*
|
|
* Returns <code>true</code> if <i>hash</i> and <i>other</i> are
|
|
* both hashes with the same content.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_eql(VALUE hash1, VALUE hash2)
|
|
{
|
|
return hash_equal(hash1, hash2, TRUE);
|
|
}
|
|
|
|
static int
|
|
hash_i(VALUE key, VALUE val, VALUE arg)
|
|
{
|
|
st_index_t *hval = (st_index_t *)arg;
|
|
st_index_t hdata[2];
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
hdata[0] = rb_hash(key);
|
|
hdata[1] = rb_hash(val);
|
|
*hval ^= st_hash(hdata, sizeof(hdata), 0);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static VALUE
|
|
recursive_hash(VALUE hash, VALUE dummy, int recur)
|
|
{
|
|
st_index_t hval;
|
|
|
|
if (!RHASH(hash)->ntbl)
|
|
return LONG2FIX(0);
|
|
hval = RHASH(hash)->ntbl->num_entries;
|
|
if (recur)
|
|
hval = rb_hash_uint(rb_hash_start(rb_hash(rb_cHash)), hval);
|
|
else
|
|
rb_hash_foreach(hash, hash_i, (VALUE)&hval);
|
|
hval = rb_hash_end(hval);
|
|
return INT2FIX(hval);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.hash -> fixnum
|
|
*
|
|
* Compute a hash-code for this hash. Two hashes with the same content
|
|
* will have the same hash code (and will compare using <code>eql?</code>).
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_hash(VALUE hash)
|
|
{
|
|
return rb_exec_recursive_outer(recursive_hash, hash, 0);
|
|
}
|
|
|
|
static int
|
|
rb_hash_invert_i(VALUE key, VALUE value, VALUE hash)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
rb_hash_aset(hash, value, key);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.invert -> new_hash
|
|
*
|
|
* Returns a new hash created by using <i>hsh</i>'s values as keys, and
|
|
* the keys as values.
|
|
*
|
|
* h = { "n" => 100, "m" => 100, "y" => 300, "d" => 200, "a" => 0 }
|
|
* h.invert #=> {0=>"a", 100=>"m", 200=>"d", 300=>"y"}
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_invert(VALUE hash)
|
|
{
|
|
VALUE h = rb_hash_new();
|
|
|
|
rb_hash_foreach(hash, rb_hash_invert_i, h);
|
|
return h;
|
|
}
|
|
|
|
static int
|
|
rb_hash_update_i(VALUE key, VALUE value, VALUE hash)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
hash_update(hash, key);
|
|
st_insert(RHASH(hash)->ntbl, key, value);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static int
|
|
rb_hash_update_block_i(VALUE key, VALUE value, VALUE hash)
|
|
{
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (rb_hash_has_key(hash, key)) {
|
|
value = rb_yield_values(3, key, rb_hash_aref(hash, key), value);
|
|
}
|
|
hash_update(hash, key);
|
|
st_insert(RHASH(hash)->ntbl, key, value);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.merge!(other_hash) -> hsh
|
|
* hsh.update(other_hash) -> hsh
|
|
* hsh.merge!(other_hash){|key, oldval, newval| block} -> hsh
|
|
* hsh.update(other_hash){|key, oldval, newval| block} -> hsh
|
|
*
|
|
* Adds the contents of <i>other_hash</i> to <i>hsh</i>. If no
|
|
* block is specified, entries with duplicate keys are overwritten
|
|
* with the values from <i>other_hash</i>, otherwise the value
|
|
* of each duplicate key is determined by calling the block with
|
|
* the key, its value in <i>hsh</i> and its value in <i>other_hash</i>.
|
|
*
|
|
* h1 = { "a" => 100, "b" => 200 }
|
|
* h2 = { "b" => 254, "c" => 300 }
|
|
* h1.merge!(h2) #=> {"a"=>100, "b"=>254, "c"=>300}
|
|
*
|
|
* h1 = { "a" => 100, "b" => 200 }
|
|
* h2 = { "b" => 254, "c" => 300 }
|
|
* h1.merge!(h2) { |key, v1, v2| v1 }
|
|
* #=> {"a"=>100, "b"=>200, "c"=>300}
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_update(VALUE hash1, VALUE hash2)
|
|
{
|
|
rb_hash_modify(hash1);
|
|
hash2 = to_hash(hash2);
|
|
if (rb_block_given_p()) {
|
|
rb_hash_foreach(hash2, rb_hash_update_block_i, hash1);
|
|
}
|
|
else {
|
|
rb_hash_foreach(hash2, rb_hash_update_i, hash1);
|
|
}
|
|
return hash1;
|
|
}
|
|
|
|
struct update_arg {
|
|
VALUE hash;
|
|
rb_hash_update_func *func;
|
|
};
|
|
|
|
static int
|
|
rb_hash_update_func_i(VALUE key, VALUE value, VALUE arg0)
|
|
{
|
|
struct update_arg *arg = (struct update_arg *)arg0;
|
|
VALUE hash = arg->hash;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (rb_hash_has_key(hash, key)) {
|
|
value = (*arg->func)(key, rb_hash_aref(hash, key), value);
|
|
}
|
|
hash_update(hash, key);
|
|
st_insert(RHASH(hash)->ntbl, key, value);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
VALUE
|
|
rb_hash_update_by(VALUE hash1, VALUE hash2, rb_hash_update_func *func)
|
|
{
|
|
rb_hash_modify(hash1);
|
|
hash2 = to_hash(hash2);
|
|
if (func) {
|
|
struct update_arg arg;
|
|
arg.hash = hash1;
|
|
arg.func = func;
|
|
rb_hash_foreach(hash2, rb_hash_update_func_i, (VALUE)&arg);
|
|
}
|
|
else {
|
|
rb_hash_foreach(hash2, rb_hash_update_i, hash1);
|
|
}
|
|
return hash1;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.merge(other_hash) -> new_hash
|
|
* hsh.merge(other_hash){|key, oldval, newval| block} -> new_hash
|
|
*
|
|
* Returns a new hash containing the contents of <i>other_hash</i> and
|
|
* the contents of <i>hsh</i>. If no block is specified, the value for
|
|
* entries with duplicate keys will be that of <i>other_hash</i>. Otherwise
|
|
* the value for each duplicate key is determined by calling the block
|
|
* with the key, its value in <i>hsh</i> and its value in <i>other_hash</i>.
|
|
*
|
|
* h1 = { "a" => 100, "b" => 200 }
|
|
* h2 = { "b" => 254, "c" => 300 }
|
|
* h1.merge(h2) #=> {"a"=>100, "b"=>254, "c"=>300}
|
|
* h1.merge(h2){|key, oldval, newval| newval - oldval}
|
|
* #=> {"a"=>100, "b"=>54, "c"=>300}
|
|
* h1 #=> {"a"=>100, "b"=>200}
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_merge(VALUE hash1, VALUE hash2)
|
|
{
|
|
return rb_hash_update(rb_obj_dup(hash1), hash2);
|
|
}
|
|
|
|
static int
|
|
assoc_i(VALUE key, VALUE val, VALUE arg)
|
|
{
|
|
VALUE *args = (VALUE *)arg;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (RTEST(rb_equal(args[0], key))) {
|
|
args[1] = rb_assoc_new(key, val);
|
|
return ST_STOP;
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hash.assoc(obj) -> an_array or nil
|
|
*
|
|
* Searches through the hash comparing _obj_ with the key using <code>==</code>.
|
|
* Returns the key-value pair (two elements array) or +nil+
|
|
* if no match is found. See <code>Array#assoc</code>.
|
|
*
|
|
* h = {"colors" => ["red", "blue", "green"],
|
|
* "letters" => ["a", "b", "c" ]}
|
|
* h.assoc("letters") #=> ["letters", ["a", "b", "c"]]
|
|
* h.assoc("foo") #=> nil
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_assoc(VALUE hash, VALUE obj)
|
|
{
|
|
VALUE args[2];
|
|
|
|
args[0] = obj;
|
|
args[1] = Qnil;
|
|
rb_hash_foreach(hash, assoc_i, (VALUE)args);
|
|
return args[1];
|
|
}
|
|
|
|
static int
|
|
rassoc_i(VALUE key, VALUE val, VALUE arg)
|
|
{
|
|
VALUE *args = (VALUE *)arg;
|
|
|
|
if (key == Qundef) return ST_CONTINUE;
|
|
if (RTEST(rb_equal(args[0], val))) {
|
|
args[1] = rb_assoc_new(key, val);
|
|
return ST_STOP;
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hash.rassoc(key) -> an_array or nil
|
|
*
|
|
* Searches through the hash comparing _obj_ with the value using <code>==</code>.
|
|
* Returns the first key-value pair (two-element array) that matches. See
|
|
* also <code>Array#rassoc</code>.
|
|
*
|
|
* a = {1=> "one", 2 => "two", 3 => "three", "ii" => "two"}
|
|
* a.rassoc("two") #=> [2, "two"]
|
|
* a.rassoc("four") #=> nil
|
|
*/
|
|
|
|
VALUE
|
|
rb_hash_rassoc(VALUE hash, VALUE obj)
|
|
{
|
|
VALUE args[2];
|
|
|
|
args[0] = obj;
|
|
args[1] = Qnil;
|
|
rb_hash_foreach(hash, rassoc_i, (VALUE)args);
|
|
return args[1];
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hash.flatten -> an_array
|
|
* hash.flatten(level) -> an_array
|
|
*
|
|
* Returns a new array that is a one-dimensional flattening of this
|
|
* hash. That is, for every key or value that is an array, extract
|
|
* its elements into the new array. Unlike Array#flatten, this
|
|
* method does not flatten recursively by default. The optional
|
|
* <i>level</i> argument determines the level of recursion to flatten.
|
|
*
|
|
* a = {1=> "one", 2 => [2,"two"], 3 => "three"}
|
|
* a.flatten # => [1, "one", 2, [2, "two"], 3, "three"]
|
|
* a.flatten(2) # => [1, "one", 2, 2, "two", 3, "three"]
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_flatten(int argc, VALUE *argv, VALUE hash)
|
|
{
|
|
VALUE ary, tmp;
|
|
|
|
ary = rb_hash_to_a(hash);
|
|
if (argc == 0) {
|
|
argc = 1;
|
|
tmp = INT2FIX(1);
|
|
argv = &tmp;
|
|
}
|
|
rb_funcall2(ary, rb_intern("flatten!"), argc, argv);
|
|
return ary;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.compare_by_identity -> hsh
|
|
*
|
|
* Makes <i>hsh</i> compare its keys by their identity, i.e. it
|
|
* will consider exact same objects as same keys.
|
|
*
|
|
* h1 = { "a" => 100, "b" => 200, :c => "c" }
|
|
* h1["a"] #=> 100
|
|
* h1.compare_by_identity
|
|
* h1.compare_by_identity? #=> true
|
|
* h1["a"] #=> nil # different objects.
|
|
* h1[:c] #=> "c" # same symbols are all same.
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_compare_by_id(VALUE hash)
|
|
{
|
|
rb_hash_modify(hash);
|
|
RHASH(hash)->ntbl->type = &identhash;
|
|
rb_hash_rehash(hash);
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* hsh.compare_by_identity? -> true or false
|
|
*
|
|
* Returns <code>true</code> if <i>hsh</i> will compare its keys by
|
|
* their identity. Also see <code>Hash#compare_by_identity</code>.
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_hash_compare_by_id_p(VALUE hash)
|
|
{
|
|
if (!RHASH(hash)->ntbl)
|
|
return Qfalse;
|
|
if (RHASH(hash)->ntbl->type == &identhash) {
|
|
return Qtrue;
|
|
}
|
|
return Qfalse;
|
|
}
|
|
|
|
static int path_tainted = -1;
|
|
|
|
static char **origenviron;
|
|
#ifdef _WIN32
|
|
#define GET_ENVIRON(e) ((e) = rb_w32_get_environ())
|
|
#define FREE_ENVIRON(e) rb_w32_free_environ(e)
|
|
static char **my_environ;
|
|
#undef environ
|
|
#define environ my_environ
|
|
#elif defined(__APPLE__)
|
|
#undef environ
|
|
#define environ (*_NSGetEnviron())
|
|
#define GET_ENVIRON(e) (e)
|
|
#define FREE_ENVIRON(e)
|
|
#else
|
|
extern char **environ;
|
|
#define GET_ENVIRON(e) (e)
|
|
#define FREE_ENVIRON(e)
|
|
#endif
|
|
#ifdef ENV_IGNORECASE
|
|
#define ENVMATCH(s1, s2) (STRCASECMP((s1), (s2)) == 0)
|
|
#define ENVNMATCH(s1, s2, n) (STRNCASECMP((s1), (s2), (n)) == 0)
|
|
#else
|
|
#define ENVMATCH(n1, n2) (strcmp((n1), (n2)) == 0)
|
|
#define ENVNMATCH(s1, s2, n) (memcmp((s1), (s2), (n)) == 0)
|
|
#endif
|
|
|
|
static VALUE
|
|
env_str_new(const char *ptr, long len)
|
|
{
|
|
VALUE str = rb_locale_str_new(ptr, len);
|
|
|
|
rb_obj_freeze(str);
|
|
return str;
|
|
}
|
|
|
|
static VALUE
|
|
env_str_new2(const char *ptr)
|
|
{
|
|
if (!ptr) return Qnil;
|
|
return env_str_new(ptr, strlen(ptr));
|
|
}
|
|
|
|
static VALUE
|
|
env_delete(VALUE obj, VALUE name)
|
|
{
|
|
char *nam, *val;
|
|
|
|
rb_secure(4);
|
|
SafeStringValue(name);
|
|
nam = RSTRING_PTR(name);
|
|
if (memchr(nam, '\0', RSTRING_LEN(name))) {
|
|
rb_raise(rb_eArgError, "bad environment variable name");
|
|
}
|
|
val = getenv(nam);
|
|
if (val) {
|
|
VALUE value = env_str_new2(val);
|
|
|
|
ruby_setenv(nam, 0);
|
|
if (ENVMATCH(nam, PATH_ENV)) {
|
|
path_tainted = 0;
|
|
}
|
|
return value;
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_delete_m(VALUE obj, VALUE name)
|
|
{
|
|
VALUE val;
|
|
|
|
val = env_delete(obj, name);
|
|
if (NIL_P(val) && rb_block_given_p()) rb_yield(name);
|
|
return val;
|
|
}
|
|
|
|
static int env_path_tainted(const char *);
|
|
|
|
static VALUE
|
|
rb_f_getenv(VALUE obj, VALUE name)
|
|
{
|
|
char *nam, *env;
|
|
|
|
rb_secure(4);
|
|
SafeStringValue(name);
|
|
nam = RSTRING_PTR(name);
|
|
if (memchr(nam, '\0', RSTRING_LEN(name))) {
|
|
rb_raise(rb_eArgError, "bad environment variable name");
|
|
}
|
|
env = getenv(nam);
|
|
if (env) {
|
|
if (ENVMATCH(nam, PATH_ENV) && !env_path_tainted(env)) {
|
|
VALUE str = rb_filesystem_str_new_cstr(env);
|
|
|
|
rb_obj_freeze(str);
|
|
return str;
|
|
}
|
|
return env_str_new2(env);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_fetch(int argc, VALUE *argv)
|
|
{
|
|
VALUE key, if_none;
|
|
long block_given;
|
|
char *nam, *env;
|
|
|
|
rb_secure(4);
|
|
rb_scan_args(argc, argv, "11", &key, &if_none);
|
|
block_given = rb_block_given_p();
|
|
if (block_given && argc == 2) {
|
|
rb_warn("block supersedes default value argument");
|
|
}
|
|
SafeStringValue(key);
|
|
nam = RSTRING_PTR(key);
|
|
if (memchr(nam, '\0', RSTRING_LEN(key))) {
|
|
rb_raise(rb_eArgError, "bad environment variable name");
|
|
}
|
|
env = getenv(nam);
|
|
if (!env) {
|
|
if (block_given) return rb_yield(key);
|
|
if (argc == 1) {
|
|
rb_raise(rb_eKeyError, "key not found");
|
|
}
|
|
return if_none;
|
|
}
|
|
if (ENVMATCH(nam, PATH_ENV) && !env_path_tainted(env))
|
|
return rb_filesystem_str_new_cstr(env);
|
|
return env_str_new2(env);
|
|
}
|
|
|
|
static void
|
|
path_tainted_p(const char *path)
|
|
{
|
|
path_tainted = rb_path_check(path)?0:1;
|
|
}
|
|
|
|
static int
|
|
env_path_tainted(const char *path)
|
|
{
|
|
if (path_tainted < 0) {
|
|
path_tainted_p(path);
|
|
}
|
|
return path_tainted;
|
|
}
|
|
|
|
int
|
|
rb_env_path_tainted(void)
|
|
{
|
|
if (path_tainted < 0) {
|
|
path_tainted_p(getenv(PATH_ENV));
|
|
}
|
|
return path_tainted;
|
|
}
|
|
|
|
#if defined(_WIN32) || (defined(HAVE_SETENV) && defined(HAVE_UNSETENV))
|
|
#elif defined __sun__
|
|
static int
|
|
in_origenv(const char *str)
|
|
{
|
|
char **env;
|
|
for (env = origenviron; *env; ++env) {
|
|
if (*env == str) return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
#else
|
|
static int
|
|
envix(const char *nam)
|
|
{
|
|
register int i, len = strlen(nam);
|
|
char **env;
|
|
|
|
env = GET_ENVIRON(environ);
|
|
for (i = 0; env[i]; i++) {
|
|
if (ENVNMATCH(env[i],nam,len) && env[i][len] == '=')
|
|
break; /* memcmp must come first to avoid */
|
|
} /* potential SEGV's */
|
|
FREE_ENVIRON(environ);
|
|
return i;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
ruby_setenv(const char *name, const char *value)
|
|
{
|
|
#if defined(_WIN32)
|
|
VALUE buf;
|
|
int failed = 0;
|
|
if (strchr(name, '=')) {
|
|
fail:
|
|
errno = EINVAL;
|
|
rb_sys_fail("ruby_setenv");
|
|
}
|
|
if (value) {
|
|
if (strlen(value) > 5120) goto fail;
|
|
buf = rb_sprintf("%s=%s", name, value);
|
|
}
|
|
else {
|
|
buf = rb_sprintf("%s=", name);
|
|
}
|
|
failed = putenv(RSTRING_PTR(buf));
|
|
/* even if putenv() failed, clean up and try to delete the
|
|
* variable from the system area. */
|
|
rb_str_resize(buf, 0);
|
|
if (!value || !*value) {
|
|
/* putenv() doesn't handle empty value */
|
|
if (!SetEnvironmentVariable(name, value) &&
|
|
GetLastError() != ERROR_ENVVAR_NOT_FOUND) goto fail;
|
|
}
|
|
if (failed) goto fail;
|
|
#elif defined(HAVE_SETENV) && defined(HAVE_UNSETENV)
|
|
#undef setenv
|
|
#undef unsetenv
|
|
if (value) {
|
|
if (setenv(name, value, 1))
|
|
rb_sys_fail("setenv");
|
|
} else {
|
|
#ifdef VOID_UNSETENV
|
|
unsetenv(name);
|
|
#else
|
|
if (unsetenv(name))
|
|
rb_sys_fail("unsetenv");
|
|
#endif
|
|
}
|
|
#elif defined __sun__
|
|
size_t len;
|
|
char **env_ptr, *str;
|
|
if (strchr(name, '=')) {
|
|
errno = EINVAL;
|
|
rb_sys_fail("ruby_setenv");
|
|
}
|
|
len = strlen(name);
|
|
for (env_ptr = GET_ENVIRON(environ); (str = *env_ptr) != 0; ++env_ptr) {
|
|
if (!strncmp(str, name, len) && str[len] == '=') {
|
|
if (!in_origenv(str)) free(str);
|
|
while ((env_ptr[0] = env_ptr[1]) != 0) env_ptr++;
|
|
break;
|
|
}
|
|
}
|
|
if (value) {
|
|
str = malloc(len += strlen(value) + 2);
|
|
snprintf(str, len, "%s=%s", name, value);
|
|
if (putenv(str))
|
|
rb_sys_fail("putenv");
|
|
}
|
|
#else /* WIN32 */
|
|
size_t len;
|
|
int i;
|
|
if (strchr(name, '=')) {
|
|
errno = EINVAL;
|
|
rb_sys_fail("ruby_setenv");
|
|
}
|
|
i=envix(name); /* where does it go? */
|
|
|
|
if (environ == origenviron) { /* need we copy environment? */
|
|
int j;
|
|
int max;
|
|
char **tmpenv;
|
|
|
|
for (max = i; environ[max]; max++) ;
|
|
tmpenv = ALLOC_N(char*, max+2);
|
|
for (j=0; j<max; j++) /* copy environment */
|
|
tmpenv[j] = ruby_strdup(environ[j]);
|
|
tmpenv[max] = 0;
|
|
environ = tmpenv; /* tell exec where it is now */
|
|
}
|
|
if (environ[i]) {
|
|
char **envp = origenviron;
|
|
while (*envp && *envp != environ[i]) envp++;
|
|
if (!*envp)
|
|
xfree(environ[i]);
|
|
if (!value) {
|
|
while (environ[i]) {
|
|
environ[i] = environ[i+1];
|
|
i++;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
else { /* does not exist yet */
|
|
if (!value) return;
|
|
REALLOC_N(environ, char*, i+2); /* just expand it a bit */
|
|
environ[i+1] = 0; /* make sure it's null terminated */
|
|
}
|
|
len = strlen(name) + strlen(value) + 2;
|
|
environ[i] = ALLOC_N(char, len);
|
|
snprintf(environ[i],len,"%s=%s",name,value); /* all that work just for this */
|
|
#endif /* WIN32 */
|
|
}
|
|
|
|
void
|
|
ruby_unsetenv(const char *name)
|
|
{
|
|
ruby_setenv(name, 0);
|
|
}
|
|
|
|
static VALUE
|
|
env_aset(VALUE obj, VALUE nm, VALUE val)
|
|
{
|
|
char *name, *value;
|
|
|
|
if (rb_safe_level() >= 4) {
|
|
rb_raise(rb_eSecurityError, "can't change environment variable");
|
|
}
|
|
|
|
if (NIL_P(val)) {
|
|
env_delete(obj, nm);
|
|
return Qnil;
|
|
}
|
|
StringValue(nm);
|
|
StringValue(val);
|
|
name = RSTRING_PTR(nm);
|
|
value = RSTRING_PTR(val);
|
|
if (memchr(name, '\0', RSTRING_LEN(nm)))
|
|
rb_raise(rb_eArgError, "bad environment variable name");
|
|
if (memchr(value, '\0', RSTRING_LEN(val)))
|
|
rb_raise(rb_eArgError, "bad environment variable value");
|
|
|
|
ruby_setenv(name, value);
|
|
if (ENVMATCH(name, PATH_ENV)) {
|
|
if (OBJ_TAINTED(val)) {
|
|
/* already tainted, no check */
|
|
path_tainted = 1;
|
|
return val;
|
|
}
|
|
else {
|
|
path_tainted_p(value);
|
|
}
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static VALUE
|
|
env_keys(void)
|
|
{
|
|
char **env;
|
|
VALUE ary;
|
|
|
|
rb_secure(4);
|
|
ary = rb_ary_new();
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
rb_ary_push(ary, env_str_new(*env, s-*env));
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
env_each_key(VALUE ehash)
|
|
{
|
|
VALUE keys;
|
|
long i;
|
|
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
keys = env_keys(); /* rb_secure(4); */
|
|
for (i=0; i<RARRAY_LEN(keys); i++) {
|
|
rb_yield(RARRAY_PTR(keys)[i]);
|
|
}
|
|
return ehash;
|
|
}
|
|
|
|
static VALUE
|
|
env_values(void)
|
|
{
|
|
VALUE ary;
|
|
char **env;
|
|
|
|
rb_secure(4);
|
|
ary = rb_ary_new();
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
rb_ary_push(ary, env_str_new2(s+1));
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
env_each_value(VALUE ehash)
|
|
{
|
|
VALUE values;
|
|
long i;
|
|
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
values = env_values(); /* rb_secure(4); */
|
|
for (i=0; i<RARRAY_LEN(values); i++) {
|
|
rb_yield(RARRAY_PTR(values)[i]);
|
|
}
|
|
return ehash;
|
|
}
|
|
|
|
static VALUE
|
|
env_each_pair(VALUE ehash)
|
|
{
|
|
char **env;
|
|
VALUE ary;
|
|
long i;
|
|
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
|
|
rb_secure(4);
|
|
ary = rb_ary_new();
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
rb_ary_push(ary, env_str_new(*env, s-*env));
|
|
rb_ary_push(ary, env_str_new2(s+1));
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
|
|
for (i=0; i<RARRAY_LEN(ary); i+=2) {
|
|
rb_yield(rb_assoc_new(RARRAY_PTR(ary)[i], RARRAY_PTR(ary)[i+1]));
|
|
}
|
|
return ehash;
|
|
}
|
|
|
|
static VALUE
|
|
env_reject_bang(VALUE ehash)
|
|
{
|
|
volatile VALUE keys;
|
|
long i;
|
|
int del = 0;
|
|
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
keys = env_keys(); /* rb_secure(4); */
|
|
for (i=0; i<RARRAY_LEN(keys); i++) {
|
|
VALUE val = rb_f_getenv(Qnil, RARRAY_PTR(keys)[i]);
|
|
if (!NIL_P(val)) {
|
|
if (RTEST(rb_yield_values(2, RARRAY_PTR(keys)[i], val))) {
|
|
FL_UNSET(RARRAY_PTR(keys)[i], FL_TAINT);
|
|
env_delete(Qnil, RARRAY_PTR(keys)[i]);
|
|
del++;
|
|
}
|
|
}
|
|
}
|
|
if (del == 0) return Qnil;
|
|
return envtbl;
|
|
}
|
|
|
|
static VALUE
|
|
env_delete_if(VALUE ehash)
|
|
{
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
env_reject_bang(ehash);
|
|
return envtbl;
|
|
}
|
|
|
|
static VALUE
|
|
env_values_at(int argc, VALUE *argv)
|
|
{
|
|
VALUE result;
|
|
long i;
|
|
|
|
rb_secure(4);
|
|
result = rb_ary_new();
|
|
for (i=0; i<argc; i++) {
|
|
rb_ary_push(result, rb_f_getenv(Qnil, argv[i]));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static VALUE
|
|
env_select(VALUE ehash)
|
|
{
|
|
VALUE result;
|
|
char **env;
|
|
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
rb_secure(4);
|
|
result = rb_hash_new();
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
VALUE k = env_str_new(*env, s-*env);
|
|
VALUE v = env_str_new2(s+1);
|
|
if (RTEST(rb_yield_values(2, k, v))) {
|
|
rb_hash_aset(result, k, v);
|
|
}
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
|
|
return result;
|
|
}
|
|
|
|
static VALUE
|
|
env_select_bang(VALUE ehash)
|
|
{
|
|
volatile VALUE keys;
|
|
long i;
|
|
int del = 0;
|
|
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
keys = env_keys(); /* rb_secure(4); */
|
|
for (i=0; i<RARRAY_LEN(keys); i++) {
|
|
VALUE val = rb_f_getenv(Qnil, RARRAY_PTR(keys)[i]);
|
|
if (!NIL_P(val)) {
|
|
if (!RTEST(rb_yield_values(2, RARRAY_PTR(keys)[i], val))) {
|
|
FL_UNSET(RARRAY_PTR(keys)[i], FL_TAINT);
|
|
env_delete(Qnil, RARRAY_PTR(keys)[i]);
|
|
del++;
|
|
}
|
|
}
|
|
}
|
|
if (del == 0) return Qnil;
|
|
return envtbl;
|
|
}
|
|
|
|
static VALUE
|
|
env_keep_if(VALUE ehash)
|
|
{
|
|
RETURN_ENUMERATOR(ehash, 0, 0);
|
|
env_select_bang(ehash);
|
|
return envtbl;
|
|
}
|
|
|
|
VALUE
|
|
rb_env_clear(void)
|
|
{
|
|
volatile VALUE keys;
|
|
long i;
|
|
|
|
keys = env_keys(); /* rb_secure(4); */
|
|
for (i=0; i<RARRAY_LEN(keys); i++) {
|
|
VALUE val = rb_f_getenv(Qnil, RARRAY_PTR(keys)[i]);
|
|
if (!NIL_P(val)) {
|
|
env_delete(Qnil, RARRAY_PTR(keys)[i]);
|
|
}
|
|
}
|
|
return envtbl;
|
|
}
|
|
|
|
static VALUE
|
|
env_to_s(void)
|
|
{
|
|
return rb_usascii_str_new2("ENV");
|
|
}
|
|
|
|
static VALUE
|
|
env_inspect(void)
|
|
{
|
|
char **env;
|
|
VALUE str, i;
|
|
|
|
rb_secure(4);
|
|
str = rb_str_buf_new2("{");
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
|
|
if (env != environ) {
|
|
rb_str_buf_cat2(str, ", ");
|
|
}
|
|
if (s) {
|
|
rb_str_buf_cat2(str, "\"");
|
|
rb_str_buf_cat(str, *env, s-*env);
|
|
rb_str_buf_cat2(str, "\"=>");
|
|
i = rb_inspect(rb_str_new2(s+1));
|
|
rb_str_buf_append(str, i);
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
rb_str_buf_cat2(str, "}");
|
|
OBJ_TAINT(str);
|
|
|
|
return str;
|
|
}
|
|
|
|
static VALUE
|
|
env_to_a(void)
|
|
{
|
|
char **env;
|
|
VALUE ary;
|
|
|
|
rb_secure(4);
|
|
ary = rb_ary_new();
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
rb_ary_push(ary, rb_assoc_new(env_str_new(*env, s-*env),
|
|
env_str_new2(s+1)));
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
env_none(void)
|
|
{
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_size(void)
|
|
{
|
|
int i;
|
|
char **env;
|
|
|
|
rb_secure(4);
|
|
env = GET_ENVIRON(environ);
|
|
for(i=0; env[i]; i++)
|
|
;
|
|
FREE_ENVIRON(environ);
|
|
return INT2FIX(i);
|
|
}
|
|
|
|
static VALUE
|
|
env_empty_p(void)
|
|
{
|
|
char **env;
|
|
|
|
rb_secure(4);
|
|
env = GET_ENVIRON(environ);
|
|
if (env[0] == 0) {
|
|
FREE_ENVIRON(environ);
|
|
return Qtrue;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
env_has_key(VALUE env, VALUE key)
|
|
{
|
|
char *s;
|
|
|
|
rb_secure(4);
|
|
s = StringValuePtr(key);
|
|
if (memchr(s, '\0', RSTRING_LEN(key)))
|
|
rb_raise(rb_eArgError, "bad environment variable name");
|
|
if (getenv(s)) return Qtrue;
|
|
return Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
env_assoc(VALUE env, VALUE key)
|
|
{
|
|
char *s, *e;
|
|
|
|
rb_secure(4);
|
|
s = StringValuePtr(key);
|
|
if (memchr(s, '\0', RSTRING_LEN(key)))
|
|
rb_raise(rb_eArgError, "bad environment variable name");
|
|
e = getenv(s);
|
|
if (e) return rb_assoc_new(key, rb_tainted_str_new2(e));
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_has_value(VALUE dmy, VALUE obj)
|
|
{
|
|
char **env;
|
|
|
|
rb_secure(4);
|
|
obj = rb_check_string_type(obj);
|
|
if (NIL_P(obj)) return Qnil;
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s++) {
|
|
long len = strlen(s);
|
|
if (RSTRING_LEN(obj) == len && strncmp(s, RSTRING_PTR(obj), len) == 0) {
|
|
FREE_ENVIRON(environ);
|
|
return Qtrue;
|
|
}
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
env_rassoc(VALUE dmy, VALUE obj)
|
|
{
|
|
char **env;
|
|
|
|
rb_secure(4);
|
|
obj = rb_check_string_type(obj);
|
|
if (NIL_P(obj)) return Qnil;
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s++) {
|
|
long len = strlen(s);
|
|
if (RSTRING_LEN(obj) == len && strncmp(s, RSTRING_PTR(obj), len) == 0) {
|
|
VALUE result = rb_assoc_new(rb_tainted_str_new(*env, s-*env-1), obj);
|
|
FREE_ENVIRON(environ);
|
|
return result;
|
|
}
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_key(VALUE dmy, VALUE value)
|
|
{
|
|
char **env;
|
|
VALUE str;
|
|
|
|
rb_secure(4);
|
|
StringValue(value);
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s++) {
|
|
long len = strlen(s);
|
|
if (RSTRING_LEN(value) == len && strncmp(s, RSTRING_PTR(value), len) == 0) {
|
|
str = env_str_new(*env, s-*env-1);
|
|
FREE_ENVIRON(environ);
|
|
return str;
|
|
}
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_index(VALUE dmy, VALUE value)
|
|
{
|
|
rb_warn("ENV.index is deprecated; use ENV.key");
|
|
return env_key(dmy, value);
|
|
}
|
|
|
|
static VALUE
|
|
env_to_hash(void)
|
|
{
|
|
char **env;
|
|
VALUE hash;
|
|
|
|
rb_secure(4);
|
|
hash = rb_hash_new();
|
|
env = GET_ENVIRON(environ);
|
|
while (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
rb_hash_aset(hash, env_str_new(*env, s-*env),
|
|
env_str_new2(s+1));
|
|
}
|
|
env++;
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return hash;
|
|
}
|
|
|
|
static VALUE
|
|
env_reject(void)
|
|
{
|
|
return rb_hash_delete_if(env_to_hash());
|
|
}
|
|
|
|
static VALUE
|
|
env_shift(void)
|
|
{
|
|
char **env;
|
|
|
|
rb_secure(4);
|
|
env = GET_ENVIRON(environ);
|
|
if (*env) {
|
|
char *s = strchr(*env, '=');
|
|
if (s) {
|
|
VALUE key = env_str_new(*env, s-*env);
|
|
VALUE val = env_str_new2(getenv(RSTRING_PTR(key)));
|
|
env_delete(Qnil, key);
|
|
return rb_assoc_new(key, val);
|
|
}
|
|
}
|
|
FREE_ENVIRON(environ);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
env_invert(void)
|
|
{
|
|
return rb_hash_invert(env_to_hash());
|
|
}
|
|
|
|
static int
|
|
env_replace_i(VALUE key, VALUE val, VALUE keys)
|
|
{
|
|
if (key != Qundef) {
|
|
env_aset(Qnil, key, val);
|
|
if (rb_ary_includes(keys, key)) {
|
|
rb_ary_delete(keys, key);
|
|
}
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static VALUE
|
|
env_replace(VALUE env, VALUE hash)
|
|
{
|
|
volatile VALUE keys;
|
|
long i;
|
|
|
|
keys = env_keys(); /* rb_secure(4); */
|
|
if (env == hash) return env;
|
|
hash = to_hash(hash);
|
|
rb_hash_foreach(hash, env_replace_i, keys);
|
|
|
|
for (i=0; i<RARRAY_LEN(keys); i++) {
|
|
env_delete(env, RARRAY_PTR(keys)[i]);
|
|
}
|
|
return env;
|
|
}
|
|
|
|
static int
|
|
env_update_i(VALUE key, VALUE val)
|
|
{
|
|
if (key != Qundef) {
|
|
if (rb_block_given_p()) {
|
|
val = rb_yield_values(3, key, rb_f_getenv(Qnil, key), val);
|
|
}
|
|
env_aset(Qnil, key, val);
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static VALUE
|
|
env_update(VALUE env, VALUE hash)
|
|
{
|
|
rb_secure(4);
|
|
if (env == hash) return env;
|
|
hash = to_hash(hash);
|
|
rb_hash_foreach(hash, env_update_i, 0);
|
|
return env;
|
|
}
|
|
|
|
/*
|
|
* A <code>Hash</code> is a collection of key-value pairs. It is
|
|
* similar to an <code>Array</code>, except that indexing is done via
|
|
* arbitrary keys of any object type, not an integer index. Hashes enumerate
|
|
* their values in the order that the corresponding keys were inserted.
|
|
*
|
|
* Hashes have a <em>default value</em> that is returned when accessing
|
|
* keys that do not exist in the hash. By default, that value is
|
|
* <code>nil</code>.
|
|
*
|
|
*/
|
|
|
|
void
|
|
Init_Hash(void)
|
|
{
|
|
#undef rb_intern
|
|
#define rb_intern(str) rb_intern_const(str)
|
|
|
|
id_hash = rb_intern("hash");
|
|
id_yield = rb_intern("yield");
|
|
id_default = rb_intern("default");
|
|
|
|
rb_cHash = rb_define_class("Hash", rb_cObject);
|
|
|
|
rb_include_module(rb_cHash, rb_mEnumerable);
|
|
|
|
rb_define_alloc_func(rb_cHash, hash_alloc);
|
|
rb_define_singleton_method(rb_cHash, "[]", rb_hash_s_create, -1);
|
|
rb_define_singleton_method(rb_cHash, "try_convert", rb_hash_s_try_convert, 1);
|
|
rb_define_method(rb_cHash,"initialize", rb_hash_initialize, -1);
|
|
rb_define_method(rb_cHash,"initialize_copy", rb_hash_replace, 1);
|
|
rb_define_method(rb_cHash,"rehash", rb_hash_rehash, 0);
|
|
|
|
rb_define_method(rb_cHash,"to_hash", rb_hash_to_hash, 0);
|
|
rb_define_method(rb_cHash,"to_a", rb_hash_to_a, 0);
|
|
rb_define_method(rb_cHash,"inspect", rb_hash_inspect, 0);
|
|
rb_define_alias(rb_cHash, "to_s", "inspect");
|
|
|
|
rb_define_method(rb_cHash,"==", rb_hash_equal, 1);
|
|
rb_define_method(rb_cHash,"[]", rb_hash_aref, 1);
|
|
rb_define_method(rb_cHash,"hash", rb_hash_hash, 0);
|
|
rb_define_method(rb_cHash,"eql?", rb_hash_eql, 1);
|
|
rb_define_method(rb_cHash,"fetch", rb_hash_fetch_m, -1);
|
|
rb_define_method(rb_cHash,"[]=", rb_hash_aset, 2);
|
|
rb_define_method(rb_cHash,"store", rb_hash_aset, 2);
|
|
rb_define_method(rb_cHash,"default", rb_hash_default, -1);
|
|
rb_define_method(rb_cHash,"default=", rb_hash_set_default, 1);
|
|
rb_define_method(rb_cHash,"default_proc", rb_hash_default_proc, 0);
|
|
rb_define_method(rb_cHash,"default_proc=", rb_hash_set_default_proc, 1);
|
|
rb_define_method(rb_cHash,"key", rb_hash_key, 1);
|
|
rb_define_method(rb_cHash,"index", rb_hash_index, 1);
|
|
rb_define_method(rb_cHash,"size", rb_hash_size, 0);
|
|
rb_define_method(rb_cHash,"length", rb_hash_size, 0);
|
|
rb_define_method(rb_cHash,"empty?", rb_hash_empty_p, 0);
|
|
|
|
rb_define_method(rb_cHash,"each_value", rb_hash_each_value, 0);
|
|
rb_define_method(rb_cHash,"each_key", rb_hash_each_key, 0);
|
|
rb_define_method(rb_cHash,"each_pair", rb_hash_each_pair, 0);
|
|
rb_define_method(rb_cHash,"each", rb_hash_each_pair, 0);
|
|
|
|
rb_define_method(rb_cHash,"keys", rb_hash_keys, 0);
|
|
rb_define_method(rb_cHash,"values", rb_hash_values, 0);
|
|
rb_define_method(rb_cHash,"values_at", rb_hash_values_at, -1);
|
|
|
|
rb_define_method(rb_cHash,"shift", rb_hash_shift, 0);
|
|
rb_define_method(rb_cHash,"delete", rb_hash_delete, 1);
|
|
rb_define_method(rb_cHash,"delete_if", rb_hash_delete_if, 0);
|
|
rb_define_method(rb_cHash,"keep_if", rb_hash_keep_if, 0);
|
|
rb_define_method(rb_cHash,"select", rb_hash_select, 0);
|
|
rb_define_method(rb_cHash,"select!", rb_hash_select_bang, 0);
|
|
rb_define_method(rb_cHash,"reject", rb_hash_reject, 0);
|
|
rb_define_method(rb_cHash,"reject!", rb_hash_reject_bang, 0);
|
|
rb_define_method(rb_cHash,"clear", rb_hash_clear, 0);
|
|
rb_define_method(rb_cHash,"invert", rb_hash_invert, 0);
|
|
rb_define_method(rb_cHash,"update", rb_hash_update, 1);
|
|
rb_define_method(rb_cHash,"replace", rb_hash_replace, 1);
|
|
rb_define_method(rb_cHash,"merge!", rb_hash_update, 1);
|
|
rb_define_method(rb_cHash,"merge", rb_hash_merge, 1);
|
|
rb_define_method(rb_cHash, "assoc", rb_hash_assoc, 1);
|
|
rb_define_method(rb_cHash, "rassoc", rb_hash_rassoc, 1);
|
|
rb_define_method(rb_cHash, "flatten", rb_hash_flatten, -1);
|
|
|
|
rb_define_method(rb_cHash,"include?", rb_hash_has_key, 1);
|
|
rb_define_method(rb_cHash,"member?", rb_hash_has_key, 1);
|
|
rb_define_method(rb_cHash,"has_key?", rb_hash_has_key, 1);
|
|
rb_define_method(rb_cHash,"has_value?", rb_hash_has_value, 1);
|
|
rb_define_method(rb_cHash,"key?", rb_hash_has_key, 1);
|
|
rb_define_method(rb_cHash,"value?", rb_hash_has_value, 1);
|
|
|
|
rb_define_method(rb_cHash,"compare_by_identity", rb_hash_compare_by_id, 0);
|
|
rb_define_method(rb_cHash,"compare_by_identity?", rb_hash_compare_by_id_p, 0);
|
|
|
|
origenviron = environ;
|
|
envtbl = rb_obj_alloc(rb_cObject);
|
|
rb_extend_object(envtbl, rb_mEnumerable);
|
|
|
|
rb_define_singleton_method(envtbl,"[]", rb_f_getenv, 1);
|
|
rb_define_singleton_method(envtbl,"fetch", env_fetch, -1);
|
|
rb_define_singleton_method(envtbl,"[]=", env_aset, 2);
|
|
rb_define_singleton_method(envtbl,"store", env_aset, 2);
|
|
rb_define_singleton_method(envtbl,"each", env_each_pair, 0);
|
|
rb_define_singleton_method(envtbl,"each_pair", env_each_pair, 0);
|
|
rb_define_singleton_method(envtbl,"each_key", env_each_key, 0);
|
|
rb_define_singleton_method(envtbl,"each_value", env_each_value, 0);
|
|
rb_define_singleton_method(envtbl,"delete", env_delete_m, 1);
|
|
rb_define_singleton_method(envtbl,"delete_if", env_delete_if, 0);
|
|
rb_define_singleton_method(envtbl,"keep_if", env_keep_if, 0);
|
|
rb_define_singleton_method(envtbl,"clear", rb_env_clear, 0);
|
|
rb_define_singleton_method(envtbl,"reject", env_reject, 0);
|
|
rb_define_singleton_method(envtbl,"reject!", env_reject_bang, 0);
|
|
rb_define_singleton_method(envtbl,"select", env_select, 0);
|
|
rb_define_singleton_method(envtbl,"select!", env_select_bang, 0);
|
|
rb_define_singleton_method(envtbl,"shift", env_shift, 0);
|
|
rb_define_singleton_method(envtbl,"invert", env_invert, 0);
|
|
rb_define_singleton_method(envtbl,"replace", env_replace, 1);
|
|
rb_define_singleton_method(envtbl,"update", env_update, 1);
|
|
rb_define_singleton_method(envtbl,"inspect", env_inspect, 0);
|
|
rb_define_singleton_method(envtbl,"rehash", env_none, 0);
|
|
rb_define_singleton_method(envtbl,"to_a", env_to_a, 0);
|
|
rb_define_singleton_method(envtbl,"to_s", env_to_s, 0);
|
|
rb_define_singleton_method(envtbl,"key", env_key, 1);
|
|
rb_define_singleton_method(envtbl,"index", env_index, 1);
|
|
rb_define_singleton_method(envtbl,"size", env_size, 0);
|
|
rb_define_singleton_method(envtbl,"length", env_size, 0);
|
|
rb_define_singleton_method(envtbl,"empty?", env_empty_p, 0);
|
|
rb_define_singleton_method(envtbl,"keys", env_keys, 0);
|
|
rb_define_singleton_method(envtbl,"values", env_values, 0);
|
|
rb_define_singleton_method(envtbl,"values_at", env_values_at, -1);
|
|
rb_define_singleton_method(envtbl,"include?", env_has_key, 1);
|
|
rb_define_singleton_method(envtbl,"member?", env_has_key, 1);
|
|
rb_define_singleton_method(envtbl,"has_key?", env_has_key, 1);
|
|
rb_define_singleton_method(envtbl,"has_value?", env_has_value, 1);
|
|
rb_define_singleton_method(envtbl,"key?", env_has_key, 1);
|
|
rb_define_singleton_method(envtbl,"value?", env_has_value, 1);
|
|
rb_define_singleton_method(envtbl,"to_hash", env_to_hash, 0);
|
|
rb_define_singleton_method(envtbl,"assoc", env_assoc, 1);
|
|
rb_define_singleton_method(envtbl,"rassoc", env_rassoc, 1);
|
|
|
|
rb_define_global_const("ENV", envtbl);
|
|
}
|