diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
commit | d0233291bc8a5068e52c69c210e5979e5324b5bc (patch) | |
tree | 7d9459449c33792c63eeb7baa071e76352e0baab /trunk/ext/sdbm/init.c | |
parent | 0dc342de848a642ecce8db697b8fecd83a63e117 (diff) | |
parent | 72eaacaa15256ab95c3b52ea386f88586fb9da40 (diff) |
re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/sdbm/init.c')
-rw-r--r-- | trunk/ext/sdbm/init.c | 704 |
1 files changed, 0 insertions, 704 deletions
diff --git a/trunk/ext/sdbm/init.c b/trunk/ext/sdbm/init.c deleted file mode 100644 index 70480f462b..0000000000 --- a/trunk/ext/sdbm/init.c +++ /dev/null @@ -1,704 +0,0 @@ -/************************************************ - - sdbminit.c - - - $Author$ - created at: Fri May 7 08:34:24 JST 1999 - - Copyright (C) 1995-2001 Yukihiro Matsumoto - -************************************************/ - -#include "ruby.h" - -#include "sdbm.h" -#include <fcntl.h> -#include <errno.h> - -static VALUE rb_cDBM, rb_eDBMError; - -struct dbmdata { - int di_size; - DBM *di_dbm; -}; - -static void -closed_sdbm() -{ - rb_raise(rb_eDBMError, "closed SDBM file"); -} - -#define GetDBM(obj, dbmp) {\ - Data_Get_Struct(obj, struct dbmdata, dbmp);\ - if (dbmp == 0) closed_sdbm();\ - if (dbmp->di_dbm == 0) closed_sdbm();\ -} - -#define GetDBM2(obj, data, dbm) {\ - GetDBM(obj, data);\ - (dbm) = dbmp->di_dbm;\ -} - -static void -free_sdbm(struct dbmdata *dbmp) -{ - - if (dbmp->di_dbm) sdbm_close(dbmp->di_dbm); - ruby_xfree(dbmp); -} - -static VALUE -fsdbm_close(VALUE obj) -{ - struct dbmdata *dbmp; - - GetDBM(obj, dbmp); - sdbm_close(dbmp->di_dbm); - dbmp->di_dbm = 0; - - return Qnil; -} - -static VALUE -fsdbm_closed(VALUE obj) -{ - struct dbmdata *dbmp; - - Data_Get_Struct(obj, struct dbmdata, dbmp); - if (dbmp == 0) - return Qtrue; - if (dbmp->di_dbm == 0) - return Qtrue; - - return Qfalse; -} - -static VALUE -fsdbm_alloc(VALUE klass) -{ - return Data_Wrap_Struct(klass, 0, free_sdbm, 0); -} - -static VALUE -fsdbm_initialize(int argc, VALUE *argv, VALUE obj) -{ - VALUE file, vmode; - DBM *dbm; - struct dbmdata *dbmp; - int mode; - - if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) { - mode = 0666; /* default value */ - } - else if (NIL_P(vmode)) { - mode = -1; /* return nil if DB not exist */ - } - else { - mode = NUM2INT(vmode); - } - SafeStringValue(file); - - dbm = 0; - if (mode >= 0) - dbm = sdbm_open(RSTRING_PTR(file), O_RDWR|O_CREAT, mode); - if (!dbm) - dbm = sdbm_open(RSTRING_PTR(file), O_RDWR, 0); - if (!dbm) - dbm = sdbm_open(RSTRING_PTR(file), O_RDONLY, 0); - - if (!dbm) { - if (mode == -1) return Qnil; - rb_sys_fail(RSTRING_PTR(file)); - } - - dbmp = ALLOC(struct dbmdata); - DATA_PTR(obj) = dbmp; - dbmp->di_dbm = dbm; - dbmp->di_size = -1; - - return obj; -} - -static VALUE -fsdbm_s_open(int argc, VALUE *argv, VALUE klass) -{ - VALUE obj = Data_Wrap_Struct(klass, 0, free_sdbm, 0); - - if (NIL_P(fsdbm_initialize(argc, argv, obj))) { - return Qnil; - } - - if (rb_block_given_p()) { - return rb_ensure(rb_yield, obj, fsdbm_close, obj); - } - - return obj; -} - -static VALUE -fsdbm_fetch(VALUE obj, VALUE keystr, VALUE ifnone) -{ - datum key, value; - struct dbmdata *dbmp; - DBM *dbm; - - StringValue(keystr); - key.dptr = RSTRING_PTR(keystr); - key.dsize = RSTRING_LEN(keystr); - - GetDBM2(obj, dbmp, dbm); - value = sdbm_fetch(dbm, key); - if (value.dptr == 0) { - if (ifnone == Qnil && rb_block_given_p()) - return rb_yield(rb_tainted_str_new(key.dptr, key.dsize)); - return ifnone; - } - return rb_tainted_str_new(value.dptr, value.dsize); -} - -static VALUE -fsdbm_aref(VALUE obj, VALUE keystr) -{ - return fsdbm_fetch(obj, keystr, Qnil); -} - -static VALUE -fsdbm_fetch_m(int argc, VALUE *argv, VALUE obj) -{ - VALUE keystr, valstr, ifnone; - - rb_scan_args(argc, argv, "11", &keystr, &ifnone); - valstr = fsdbm_fetch(obj, keystr, ifnone); - if (argc == 1 && !rb_block_given_p() && NIL_P(valstr)) - rb_raise(rb_eIndexError, "key not found"); - - return valstr; -} - -static VALUE -fsdbm_index(VALUE obj, VALUE valstr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - StringValue(valstr); - val.dptr = RSTRING_PTR(valstr); - val.dsize = RSTRING_LEN(valstr); - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - if (val.dsize == RSTRING_LEN(valstr) && - memcmp(val.dptr, RSTRING_PTR(valstr), val.dsize) == 0) - return rb_tainted_str_new(key.dptr, key.dsize); - } - return Qnil; -} - -static VALUE -fsdbm_select(VALUE obj) -{ - VALUE new = rb_ary_new(); - datum key, val; - DBM *dbm; - struct dbmdata *dbmp; - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - VALUE assoc, v; - val = sdbm_fetch(dbm, key); - assoc = rb_assoc_new(rb_tainted_str_new(key.dptr, key.dsize), - rb_tainted_str_new(val.dptr, val.dsize)); - v = rb_yield(assoc); - if (RTEST(v)) { - rb_ary_push(new, assoc); - } - GetDBM2(obj, dbmp, dbm); - } - - return new; -} - -static VALUE -fsdbm_values_at(int argc, VALUE *argv, VALUE obj) -{ - VALUE new = rb_ary_new2(argc); - int i; - - for (i=0; i<argc; i++) { - rb_ary_push(new, fsdbm_fetch(obj, argv[i], Qnil)); - } - - return new; -} - -static void -fdbm_modify(VALUE obj) -{ - rb_secure(4); - if (OBJ_FROZEN(obj)) rb_error_frozen("SDBM"); -} - -static VALUE -fsdbm_delete(VALUE obj, VALUE keystr) -{ - datum key, value; - struct dbmdata *dbmp; - DBM *dbm; - VALUE valstr; - - fdbm_modify(obj); - StringValue(keystr); - key.dptr = RSTRING_PTR(keystr); - key.dsize = RSTRING_LEN(keystr); - - GetDBM2(obj, dbmp, dbm); - dbmp->di_size = -1; - - value = sdbm_fetch(dbm, key); - if (value.dptr == 0) { - if (rb_block_given_p()) return rb_yield(keystr); - return Qnil; - } - - /* need to save value before sdbm_delete() */ - valstr = rb_tainted_str_new(value.dptr, value.dsize); - - if (sdbm_delete(dbm, key)) { - dbmp->di_size = -1; - rb_raise(rb_eDBMError, "dbm_delete failed"); - } - else if (dbmp->di_size >= 0) { - dbmp->di_size--; - } - return valstr; -} - -static VALUE -fsdbm_shift(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE keystr, valstr; - - fdbm_modify(obj); - GetDBM2(obj, dbmp, dbm); - key = sdbm_firstkey(dbm); - if (!key.dptr) return Qnil; - val = sdbm_fetch(dbm, key); - keystr = rb_tainted_str_new(key.dptr, key.dsize); - valstr = rb_tainted_str_new(val.dptr, val.dsize); - sdbm_delete(dbm, key); - if (dbmp->di_size >= 0) { - dbmp->di_size--; - } - - return rb_assoc_new(keystr, valstr); -} - -static VALUE -fsdbm_delete_if(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE keystr, valstr; - VALUE ret, ary = rb_ary_new(); - int i, status = 0, n; - - fdbm_modify(obj); - GetDBM2(obj, dbmp, dbm); - n = dbmp->di_size; - dbmp->di_size = -1; - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - keystr = rb_tainted_str_new(key.dptr, key.dsize); - valstr = rb_tainted_str_new(val.dptr, val.dsize); - ret = rb_protect(rb_yield, rb_assoc_new(rb_str_dup(keystr), valstr), &status); - if (status != 0) break; - if (RTEST(ret)) rb_ary_push(ary, keystr); - GetDBM2(obj, dbmp, dbm); - } - - for (i = 0; i < RARRAY_LEN(ary); i++) { - keystr = RARRAY_PTR(ary)[i]; - StringValue(keystr); - key.dptr = RSTRING_PTR(keystr); - key.dsize = RSTRING_LEN(keystr); - if (sdbm_delete(dbm, key)) { - rb_raise(rb_eDBMError, "sdbm_delete failed"); - } - } - if (status) rb_jump_tag(status); - if (n > 0) dbmp->di_size = n - RARRAY_LEN(ary); - - return obj; -} - -static VALUE -fsdbm_clear(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - - fdbm_modify(obj); - GetDBM2(obj, dbmp, dbm); - dbmp->di_size = -1; - while (key = sdbm_firstkey(dbm), key.dptr) { - if (sdbm_delete(dbm, key)) { - rb_raise(rb_eDBMError, "sdbm_delete failed"); - } - } - dbmp->di_size = 0; - - return obj; -} - -static VALUE -fsdbm_invert(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE keystr, valstr; - VALUE hash = rb_hash_new(); - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - keystr = rb_tainted_str_new(key.dptr, key.dsize); - valstr = rb_tainted_str_new(val.dptr, val.dsize); - rb_hash_aset(hash, valstr, keystr); - } - return hash; -} - -static VALUE -fsdbm_store(VALUE obj, VALUE keystr, VALUE valstr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - if (valstr == Qnil) { - fsdbm_delete(obj, keystr); - return Qnil; - } - - fdbm_modify(obj); - StringValue(keystr); - StringValue(valstr); - - key.dptr = RSTRING_PTR(keystr); - key.dsize = RSTRING_LEN(keystr); - - val.dptr = RSTRING_PTR(valstr); - val.dsize = RSTRING_LEN(valstr); - - GetDBM2(obj, dbmp, dbm); - dbmp->di_size = -1; - if (sdbm_store(dbm, key, val, DBM_REPLACE)) { -#ifdef HAVE_DBM_CLAERERR - sdbm_clearerr(dbm); -#endif - if (errno == EPERM) rb_sys_fail(0); - rb_raise(rb_eDBMError, "sdbm_store failed"); - } - - return valstr; -} - -static VALUE -update_i(VALUE pair, VALUE dbm) -{ - Check_Type(pair, T_ARRAY); - if (RARRAY_LEN(pair) < 2) { - rb_raise(rb_eArgError, "pair must be [key, value]"); - } - fsdbm_store(dbm, RARRAY_PTR(pair)[0], RARRAY_PTR(pair)[1]); - return Qnil; -} - -static VALUE -fsdbm_update(VALUE obj, VALUE other) -{ - rb_block_call(other, rb_intern("each_pair"), 0, 0, update_i, obj); - return obj; -} - -static VALUE -fsdbm_replace(VALUE obj, VALUE other) -{ - fsdbm_clear(obj); - rb_block_call(other, rb_intern("each_pair"), 0, 0, update_i, obj); - return obj; -} - -static VALUE -fsdbm_length(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - int i = 0; - - GetDBM2(obj, dbmp, dbm); - if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size); - - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - i++; - } - dbmp->di_size = i; - - return INT2FIX(i); -} - -static VALUE -fsdbm_empty_p(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - int i = 0; - - GetDBM(obj, dbmp); - if (dbmp->di_size < 0) { - dbm = dbmp->di_dbm; - - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - i++; - } - } - else { - i = dbmp->di_size; - } - if (i == 0) return Qtrue; - return Qfalse; -} - -static VALUE -fsdbm_each_value(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - RETURN_ENUMERATOR(obj, 0, 0); - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - rb_yield(rb_tainted_str_new(val.dptr, val.dsize)); - GetDBM2(obj, dbmp, dbm); - } - return obj; -} - -static VALUE -fsdbm_each_key(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - - RETURN_ENUMERATOR(obj, 0, 0); - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - rb_yield(rb_tainted_str_new(key.dptr, key.dsize)); - GetDBM2(obj, dbmp, dbm); - } - return obj; -} - -static VALUE -fsdbm_each_pair(VALUE obj) -{ - datum key, val; - DBM *dbm; - struct dbmdata *dbmp; - VALUE keystr, valstr; - - RETURN_ENUMERATOR(obj, 0, 0); - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - keystr = rb_tainted_str_new(key.dptr, key.dsize); - valstr = rb_tainted_str_new(val.dptr, val.dsize); - rb_yield(rb_assoc_new(keystr, valstr)); - GetDBM2(obj, dbmp, dbm); - } - - return obj; -} - -static VALUE -fsdbm_keys(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - VALUE ary; - - GetDBM2(obj, dbmp, dbm); - ary = rb_ary_new(); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - rb_ary_push(ary, rb_tainted_str_new(key.dptr, key.dsize)); - } - - return ary; -} - -static VALUE -fsdbm_values(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE ary; - - GetDBM2(obj, dbmp, dbm); - ary = rb_ary_new(); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - rb_ary_push(ary, rb_tainted_str_new(val.dptr, val.dsize)); - } - - return ary; -} - -static VALUE -fsdbm_has_key(VALUE obj, VALUE keystr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - StringValue(keystr); - key.dptr = RSTRING_PTR(keystr); - key.dsize = RSTRING_LEN(keystr); - - GetDBM2(obj, dbmp, dbm); - val = sdbm_fetch(dbm, key); - if (val.dptr) return Qtrue; - return Qfalse; -} - -static VALUE -fsdbm_has_value(VALUE obj, VALUE valstr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - StringValue(valstr); - val.dptr = RSTRING_PTR(valstr); - val.dsize = RSTRING_LEN(valstr); - - GetDBM2(obj, dbmp, dbm); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - if (val.dsize == RSTRING_LEN(valstr) && - memcmp(val.dptr, RSTRING_PTR(valstr), val.dsize) == 0) - return Qtrue; - } - return Qfalse; -} - -static VALUE -fsdbm_to_a(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE ary; - - GetDBM2(obj, dbmp, dbm); - ary = rb_ary_new(); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - rb_ary_push(ary, rb_assoc_new(rb_tainted_str_new(key.dptr, key.dsize), - rb_tainted_str_new(val.dptr, val.dsize))); - } - - return ary; -} - -static VALUE -fsdbm_to_hash(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE hash; - - GetDBM2(obj, dbmp, dbm); - hash = rb_hash_new(); - for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { - val = sdbm_fetch(dbm, key); - rb_hash_aset(hash, rb_tainted_str_new(key.dptr, key.dsize), - rb_tainted_str_new(val.dptr, val.dsize)); - } - - return hash; -} - -static VALUE -fsdbm_reject(VALUE obj) -{ - return rb_hash_delete_if(fsdbm_to_hash(obj)); -} - -void -Init_sdbm() -{ - rb_cDBM = rb_define_class("SDBM", rb_cObject); - rb_eDBMError = rb_define_class("SDBMError", rb_eStandardError); - rb_include_module(rb_cDBM, rb_mEnumerable); - - rb_define_alloc_func(rb_cDBM, fsdbm_alloc); - rb_define_singleton_method(rb_cDBM, "open", fsdbm_s_open, -1); - - rb_define_method(rb_cDBM, "initialize", fsdbm_initialize, -1); - rb_define_method(rb_cDBM, "close", fsdbm_close, 0); - rb_define_method(rb_cDBM, "closed?", fsdbm_closed, 0); - rb_define_method(rb_cDBM, "[]", fsdbm_aref, 1); - rb_define_method(rb_cDBM, "fetch", fsdbm_fetch_m, -1); - rb_define_method(rb_cDBM, "[]=", fsdbm_store, 2); - rb_define_method(rb_cDBM, "store", fsdbm_store, 2); - rb_define_method(rb_cDBM, "index", fsdbm_index, 1); - rb_define_method(rb_cDBM, "select", fsdbm_select, 0); - rb_define_method(rb_cDBM, "values_at", fsdbm_values_at, -1); - rb_define_method(rb_cDBM, "length", fsdbm_length, 0); - rb_define_method(rb_cDBM, "size", fsdbm_length, 0); - rb_define_method(rb_cDBM, "empty?", fsdbm_empty_p, 0); - rb_define_method(rb_cDBM, "each", fsdbm_each_pair, 0); - rb_define_method(rb_cDBM, "each_value", fsdbm_each_value, 0); - rb_define_method(rb_cDBM, "each_key", fsdbm_each_key, 0); - rb_define_method(rb_cDBM, "each_pair", fsdbm_each_pair, 0); - rb_define_method(rb_cDBM, "keys", fsdbm_keys, 0); - rb_define_method(rb_cDBM, "values", fsdbm_values, 0); - rb_define_method(rb_cDBM, "shift", fsdbm_shift, 0); - rb_define_method(rb_cDBM, "delete", fsdbm_delete, 1); - rb_define_method(rb_cDBM, "delete_if", fsdbm_delete_if, 0); - rb_define_method(rb_cDBM, "reject!", fsdbm_delete_if, 0); - rb_define_method(rb_cDBM, "reject", fsdbm_reject, 0); - rb_define_method(rb_cDBM, "clear", fsdbm_clear, 0); - rb_define_method(rb_cDBM,"invert", fsdbm_invert, 0); - rb_define_method(rb_cDBM,"update", fsdbm_update, 1); - rb_define_method(rb_cDBM,"replace", fsdbm_replace, 1); - - rb_define_method(rb_cDBM, "include?", fsdbm_has_key, 1); - rb_define_method(rb_cDBM, "has_key?", fsdbm_has_key, 1); - rb_define_method(rb_cDBM, "member?", fsdbm_has_key, 1); - rb_define_method(rb_cDBM, "has_value?", fsdbm_has_value, 1); - rb_define_method(rb_cDBM, "key?", fsdbm_has_key, 1); - rb_define_method(rb_cDBM, "value?", fsdbm_has_value, 1); - - rb_define_method(rb_cDBM, "to_a", fsdbm_to_a, 0); - rb_define_method(rb_cDBM, "to_hash", fsdbm_to_hash, 0); -} |