From 0a64817fb80016030c03518fb9459f63c11605ea Mon Sep 17 00:00:00 2001 From: matz Date: Fri, 13 Aug 1999 05:37:52 +0000 Subject: remove marshal/gtk/kconv git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@518 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/sdbm/init.c | 584 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 584 insertions(+) create mode 100644 ext/sdbm/init.c (limited to 'ext/sdbm/init.c') diff --git a/ext/sdbm/init.c b/ext/sdbm/init.c new file mode 100644 index 0000000000..5ebffcb9fd --- /dev/null +++ b/ext/sdbm/init.c @@ -0,0 +1,584 @@ +/************************************************ + + sdbminit.c - + + $Author$ + $Date$ + created at: Fri May 7 08:34:24 JST 1999 + + Copyright (C) 1995-1998 Yukihiro Matsumoto + +************************************************/ + +#include "ruby.h" + +#include "sdbm.h" +#include +#include +#ifdef USE_CWGUSI +# include +#endif + +VALUE cSDBM; + +struct dbmdata { + int di_size; + DBM *di_dbm; +}; + +static void +closed_sdbm() +{ + rb_raise(rb_eRuntimeError, "closed SDBM file"); +} + +#define GetDBM(obj, dbmp) {\ + Data_Get_Struct(obj, struct dbmdata, dbmp);\ + if (dbmp->di_dbm == 0) closed_sdbm();\ +} + +static void +free_sdbm(dbmp) + struct dbmdata *dbmp; +{ + + if (dbmp->di_dbm) sdbm_close(dbmp->di_dbm); + free(dbmp); +} + +static VALUE +fsdbm_s_open(argc, argv, klass) + int argc; + VALUE *argv; + VALUE klass; +{ + VALUE file, vmode; + DBM *dbm; + struct dbmdata *dbmp; + int mode; + VALUE obj; + + 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); + } + Check_SafeStr(file); + + dbm = 0; + if (mode >= 0) + dbm = sdbm_open(RSTRING(file)->ptr, O_RDWR|O_CREAT, mode); + if (!dbm) + dbm = sdbm_open(RSTRING(file)->ptr, O_RDWR, mode); + if (!dbm) + dbm = sdbm_open(RSTRING(file)->ptr, O_RDONLY, mode); + + if (!dbm) { + if (mode == -1) return Qnil; + rb_sys_fail(RSTRING(file)->ptr); + } + + obj = Data_Make_Struct(klass,struct dbmdata,0,free_sdbm,dbmp); + dbmp->di_dbm = dbm; + dbmp->di_size = -1; + + return obj; +} + +static VALUE +fsdbm_close(obj) + VALUE obj; +{ + struct dbmdata *dbmp; + + Data_Get_Struct(obj, struct dbmdata, dbmp); + if (dbmp->di_dbm == 0) closed_sdbm(); + sdbm_close(dbmp->di_dbm); + dbmp->di_dbm = 0; + + return Qnil; +} + +static VALUE +fsdbm_fetch(obj, keystr) + VALUE obj, keystr; +{ + datum key, value; + struct dbmdata *dbmp; + DBM *dbm; + + Check_Type(keystr, T_STRING); + key.dptr = RSTRING(keystr)->ptr; + key.dsize = RSTRING(keystr)->len; + + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + value = sdbm_fetch(dbm, key); + if (value.dptr == 0) { + return Qnil; + } + return rb_tainted_str_new(value.dptr, value.dsize); +} + +static VALUE +fsdbm_indexes(argc, argv, obj) + int argc; + VALUE *argv; + VALUE obj; +{ + VALUE new; + int i; + + new = rb_ary_new2(argc); + for (i=0; iptr; + key.dsize = RSTRING(keystr)->len; + + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + + value = sdbm_fetch(dbm, key); + if (value.dptr == 0) { + if (rb_iterator_p()) rb_yield(keystr); + return Qnil; + } + + if (sdbm_delete(dbm, key)) { + dbmp->di_size = -1; + rb_raise(rb_eRuntimeError, "dbm_delete failed"); + } + else if (dbmp->di_size >= 0) { + dbmp->di_size--; + } + return obj; +} + +static VALUE +fsdbm_shift(obj) + VALUE obj; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + VALUE keystr, valstr; + + rb_secure(4); + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + + key = sdbm_firstkey(dbm); + if (!key.dptr) return Qnil; + val = sdbm_fetch(dbm, key); + sdbm_delete(dbm, key); + + keystr = rb_tainted_str_new(key.dptr, key.dsize); + valstr = rb_tainted_str_new(val.dptr, val.dsize); + return rb_assoc_new(keystr, valstr); +} + +static VALUE +fsdbm_delete_if(obj) + VALUE obj; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + VALUE keystr, valstr; + + rb_secure(4); + GetDBM(obj, dbmp); + dbm = dbmp->di_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); + if (RTEST(rb_yield(rb_assoc_new(keystr, valstr)))) { + if (sdbm_delete(dbm, key)) { + rb_raise(rb_eRuntimeError, "sdbm_delete failed"); + } + } + } + return obj; +} + +static VALUE +fsdbm_clear(obj) + VALUE obj; +{ + datum key; + struct dbmdata *dbmp; + DBM *dbm; + + rb_secure(4); + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + dbmp->di_size = -1; + for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { + if (sdbm_delete(dbm, key)) { + rb_raise(rb_eRuntimeError, "sdbm_delete failed"); + } + } + return obj; +} + +static VALUE +fsdbm_invert(obj) + VALUE obj; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + VALUE keystr, valstr; + VALUE hash = rb_hash_new(); + + GetDBM(obj, dbmp); + dbm = dbmp->di_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 obj; +} + +static VALUE +each_pair(obj) + VALUE obj; +{ + return rb_funcall(obj, rb_intern("each_pair"), 0, 0); +} + +static VALUE fsdbm_store _((VALUE,VALUE,VALUE)); + +static VALUE +update_i(pair, dbm) + VALUE pair, dbm; +{ + Check_Type(pair, T_ARRAY); + if (RARRAY(pair)->len < 2) { + rb_raise(rb_eArgError, "pair must be [key, value]"); + } + fsdbm_store(dbm, RARRAY(pair)->ptr[0], RARRAY(pair)->ptr[1]); + return Qnil; +} + +static VALUE +fsdbm_update(obj, other) + VALUE obj, other; +{ + rb_iterate(each_pair, other, update_i, obj); + return obj; +} + +static VALUE +fsdbm_replace(obj, other) + VALUE obj, other; +{ + fsdbm_clear(obj); + rb_iterate(each_pair, other, update_i, obj); + return obj; +} + +static VALUE +fsdbm_store(obj, keystr, valstr) + VALUE obj, keystr, valstr; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + + if (valstr == Qnil) { + fsdbm_delete(obj, keystr); + return Qnil; + } + + rb_secure(4); + keystr = rb_obj_as_string(keystr); + + key.dptr = RSTRING(keystr)->ptr; + key.dsize = RSTRING(keystr)->len; + + if (NIL_P(valstr)) return fsdbm_delete(obj, keystr); + + valstr = rb_obj_as_string(valstr); + val.dptr = RSTRING(valstr)->ptr; + val.dsize = RSTRING(valstr)->len; + + Data_Get_Struct(obj, struct dbmdata, dbmp); + dbmp->di_size = -1; + dbm = dbmp->di_dbm; + 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_eRuntimeError, "sdbm_store failed"); + } + + return valstr; +} + +static VALUE +fsdbm_length(obj) + VALUE obj; +{ + datum key; + struct dbmdata *dbmp; + DBM *dbm; + int i = 0; + + Data_Get_Struct(obj, struct dbmdata, dbmp); + if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size); + dbm = dbmp->di_dbm; + + for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { + i++; + } + dbmp->di_size = i; + + return INT2FIX(i); +} + +static VALUE +fsdbm_empty_p(obj) + VALUE obj; +{ + datum key; + struct dbmdata *dbmp; + DBM *dbm; + int i = 0; + + Data_Get_Struct(obj, struct dbmdata, 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(obj) + VALUE obj; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + + GetDBM(obj, dbmp); + dbm = dbmp->di_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)); + } + return obj; +} + +static VALUE +fsdbm_each_key(obj) + VALUE obj; +{ + datum key; + struct dbmdata *dbmp; + DBM *dbm; + + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { + rb_yield(rb_tainted_str_new(key.dptr, key.dsize)); + } + return obj; +} + +static VALUE +fsdbm_each_pair(obj) + VALUE obj; +{ + datum key, val; + DBM *dbm; + struct dbmdata *dbmp; + VALUE keystr, valstr; + + GetDBM(obj, dbmp); + dbm = dbmp->di_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)); + } + + return obj; +} + +static VALUE +fsdbm_keys(obj) + VALUE obj; +{ + datum key; + struct dbmdata *dbmp; + DBM *dbm; + VALUE ary; + + GetDBM(obj, dbmp); + dbm = dbmp->di_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(obj) + VALUE obj; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + VALUE ary; + + GetDBM(obj, dbmp); + dbm = dbmp->di_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(obj, keystr) + VALUE obj, keystr; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + + Check_Type(keystr, T_STRING); + key.dptr = RSTRING(keystr)->ptr; + key.dsize = RSTRING(keystr)->len; + + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + val = sdbm_fetch(dbm, key); + if (val.dptr) return Qtrue; + return Qfalse; +} + +static VALUE +fsdbm_has_value(obj, valstr) + VALUE obj, valstr; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + + Check_Type(valstr, T_STRING); + val.dptr = RSTRING(valstr)->ptr; + val.dsize = RSTRING(valstr)->len; + + GetDBM(obj, dbmp); + dbm = dbmp->di_dbm; + for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) { + val = sdbm_fetch(dbm, key); + if (val.dsize == RSTRING(valstr)->len && + memcmp(val.dptr, RSTRING(valstr)->ptr, val.dsize) == 0) + return Qtrue; + } + return Qfalse; +} + +static VALUE +fsdbm_to_a(obj) + VALUE obj; +{ + datum key, val; + struct dbmdata *dbmp; + DBM *dbm; + VALUE ary; + + GetDBM(obj, dbmp); + dbm = dbmp->di_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; +} + +void +Init_sdbm() +{ + cSDBM = rb_define_class("SDBM", rb_cObject); + rb_include_module(cSDBM, rb_mEnumerable); + + rb_define_singleton_method(cSDBM, "open", fsdbm_s_open, -1); + rb_define_singleton_method(cSDBM, "new", fsdbm_s_open, -1); + rb_define_method(cSDBM, "close", fsdbm_close, 0); + rb_define_method(cSDBM, "[]", fsdbm_fetch, 1); + rb_define_method(cSDBM, "[]=", fsdbm_store, 2); + rb_define_method(cSDBM, "indexes", fsdbm_indexes, -1); + rb_define_method(cSDBM, "indices", fsdbm_indexes, -1); + rb_define_method(cSDBM, "length", fsdbm_length, 0); + rb_define_alias(cSDBM, "size", "length"); + rb_define_method(cSDBM, "empty?", fsdbm_empty_p, 0); + rb_define_method(cSDBM, "each", fsdbm_each_pair, 0); + rb_define_method(cSDBM, "each_value", fsdbm_each_value, 0); + rb_define_method(cSDBM, "each_key", fsdbm_each_key, 0); + rb_define_method(cSDBM, "each_pair", fsdbm_each_pair, 0); + rb_define_method(cSDBM, "keys", fsdbm_keys, 0); + rb_define_method(cSDBM, "values", fsdbm_values, 0); + rb_define_method(cSDBM, "shift", fsdbm_shift, 1); + rb_define_method(cSDBM, "delete", fsdbm_delete, 1); + rb_define_method(cSDBM, "delete_if", fsdbm_delete_if, 0); + rb_define_method(cSDBM, "clear", fsdbm_clear, 0); + rb_define_method(cSDBM,"invert", fsdbm_invert, 0); + rb_define_method(cSDBM,"update", fsdbm_update, 1); + rb_define_method(cSDBM,"replace", fsdbm_replace, 1); + + rb_define_method(cSDBM, "include?", fsdbm_has_key, 1); + rb_define_method(cSDBM, "has_key?", fsdbm_has_key, 1); + rb_define_method(cSDBM, "has_value?", fsdbm_has_value, 1); + rb_define_method(cSDBM, "key?", fsdbm_has_key, 1); + rb_define_method(cSDBM, "value?", fsdbm_has_value, 1); + + rb_define_method(cSDBM, "to_a", fsdbm_to_a, 0); +} -- cgit v1.2.3