remove marshal/gtk/kconv

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@518 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 604 insertions, 0 deletions

diff --git a/ext/gdbm/gdbm.c b/ext/gdbm/gdbm.c
new file mode 100644
index 0000000000..a9c2c64ef6
--- /dev/null
+++ b/ext/gdbm/gdbm.c
@@ -0,0 +1,604 @@
+/************************************************
+
+  gdbm.c -
+
+  $Author$
+  $Date$
+  modified at: Mon Jan 24 15:59:52 JST 1994
+
+************************************************/
+
+#include "ruby.h"
+
+#include <gdbm.h>
+#include <fcntl.h>
+#include <errno.h>
+#ifdef USE_CWGUSI
+# include <sys/errno.h>
+#endif
+
+VALUE cGDBM;
+
+#define MY_BLOCK_SIZE (2048)
+#define MY_FATAL_FUNC (0)
+
+struct dbmdata {
+    int  di_size;
+    GDBM_FILE di_dbm;
+};
+
+static void
+closed_dbm()
+{
+    rb_raise(rb_eRuntimeError, "closed GDBM file");
+}
+
+#define GetDBM(obj, dbmp) {\
+    Data_Get_Struct(obj, struct dbmdata, dbmp);\
+    if (dbmp->di_dbm == 0) closed_dbm();\
+}
+
+static void
+free_dbm(dbmp)
+    struct dbmdata *dbmp;
+{
+    if (dbmp->di_dbm) gdbm_close(dbmp->di_dbm);
+    free(dbmp);
+}
+
+static VALUE
+fgdbm_s_open(argc, argv, klass)
+    int argc;
+    VALUE *argv;
+    VALUE klass;
+{
+    VALUE file, vmode;
+    GDBM_FILE 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 = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE, 
+			O_RDWR|O_CREAT, mode, MY_FATAL_FUNC);
+    if (!dbm)
+	dbm = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE, 
+			O_RDWR, mode, MY_FATAL_FUNC);
+    if (!dbm)
+	dbm = gdbm_open(RSTRING(file)->ptr, MY_BLOCK_SIZE, 
+			O_RDONLY, mode, MY_FATAL_FUNC);
+
+    if (!dbm) {
+	if (mode == -1) return Qnil;
+	rb_sys_fail(RSTRING(file)->ptr);
+    }
+
+    obj = Data_Make_Struct(klass,struct dbmdata,0,free_dbm,dbmp);
+    dbmp->di_dbm = dbm;
+    dbmp->di_size = -1;
+    rb_obj_call_init(obj, argc, argv);
+
+    return obj;
+}
+
+static VALUE
+fgdbm_close(obj)
+    VALUE obj;
+{
+    struct dbmdata *dbmp;
+
+    Data_Get_Struct(obj, struct dbmdata, dbmp);
+    if (dbmp->di_dbm == 0) closed_dbm();
+    gdbm_close(dbmp->di_dbm);
+    dbmp->di_dbm = 0;
+
+    return Qnil;
+}
+
+static VALUE
+fgdbm_fetch(obj, keystr)
+    VALUE obj, keystr;
+{
+    datum key, value;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    Check_Type(keystr, T_STRING);
+    key.dptr = RSTRING(keystr)->ptr;
+    key.dsize = RSTRING(keystr)->len;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    value = gdbm_fetch(dbm, key);
+    if (value.dptr == 0) {
+	return Qnil;
+    }
+    return rb_tainted_str_new(value.dptr, value.dsize);
+}
+
+static VALUE
+fgdbm_indexes(argc, argv, obj)
+    int argc;
+    VALUE *argv;
+    VALUE obj;
+{
+    VALUE new;
+    int i;
+
+    new = rb_ary_new2(argc);
+    for (i=0; i<argc; i++) {
+	rb_ary_push(new, fgdbm_fetch(obj, argv[i]));
+    }
+
+    return new;
+}
+
+static VALUE
+fgdbm_delete(obj, keystr)
+    VALUE obj, keystr;
+{
+    datum key, value;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    rb_secure(4);
+    Check_Type(keystr, T_STRING);
+    key.dptr = RSTRING(keystr)->ptr;
+    key.dsize = RSTRING(keystr)->len;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+
+    value = gdbm_fetch(dbm, key);
+    if (value.dptr == 0) {
+	if (rb_iterator_p()) rb_yield(keystr);
+	return Qnil;
+    }
+
+    if (gdbm_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
+fgdbm_shift(obj)
+    VALUE obj;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    VALUE keystr, valstr;
+
+    rb_secure(4);
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+
+    key = gdbm_firstkey(dbm); 
+    if (!key.dptr) return Qnil;
+    val = gdbm_fetch(dbm, key);
+    gdbm_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
+fgdbm_delete_if(obj)
+    VALUE obj;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    VALUE keystr, valstr;
+
+    rb_secure(4);
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_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 (gdbm_delete(dbm, key)) {
+		rb_raise(rb_eRuntimeError, "dbm_delete failed");
+	    }
+	}
+    }
+    return obj;
+}
+
+static VALUE
+fgdbm_clear(obj)
+    VALUE obj;
+{
+    datum key, nextkey;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    rb_secure(4);
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    dbmp->di_size = -1;
+    for (key = gdbm_firstkey(dbm); key.dptr; key = nextkey) {
+	nextkey = gdbm_nextkey(dbm, key);
+	if (gdbm_delete(dbm, key)) {
+	    rb_raise(rb_eRuntimeError, "dbm_delete failed");
+	}
+    }
+    return obj;
+}
+
+static VALUE
+fgdbm_invert(obj)
+    VALUE obj;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    VALUE keystr, valstr;
+    VALUE hash = rb_hash_new();
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_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 fgdbm_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]");
+    }
+    fgdbm_store(dbm, RARRAY(pair)->ptr[0], RARRAY(pair)->ptr[1]);
+    return Qnil;
+}
+
+static VALUE
+fgdbm_update(obj, other)
+    VALUE obj, other;
+{
+    rb_iterate(each_pair, other, update_i, obj);
+    return obj;
+}
+
+static VALUE
+fgdbm_replace(obj, other)
+    VALUE obj, other;
+{
+    fgdbm_clear(obj);
+    rb_iterate(each_pair, other, update_i, obj);
+    return obj;
+}
+
+static VALUE
+fgdbm_store(obj, keystr, valstr)
+    VALUE obj, keystr, valstr;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    if (valstr == Qnil) {
+	fgdbm_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 fgdbm_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 (gdbm_store(dbm, key, val, GDBM_REPLACE)) {
+#ifdef HAVE_DBM_CLAERERR
+	gdbm_clearerr(dbm);
+#endif
+	if (errno == EPERM) rb_sys_fail(0);
+	rb_raise(rb_eRuntimeError, "dbm_store failed");
+    }
+
+    return valstr;
+}
+
+static VALUE
+fgdbm_length(obj)
+    VALUE obj;
+{
+    datum key;
+    struct dbmdata *dbmp;
+    GDBM_FILE 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 = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	i++;
+    }
+    dbmp->di_size = i;
+
+    return INT2FIX(i);
+}
+
+static VALUE
+fgdbm_empty_p(obj)
+    VALUE obj;
+{
+    datum key;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    int i = 0;
+
+    Data_Get_Struct(obj, struct dbmdata, dbmp);
+    if (dbmp->di_size < 0) {
+	dbm = dbmp->di_dbm;
+
+	for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	    i++;
+	}
+    }
+    else {
+	i = dbmp->di_size;
+    }
+    if (i == 0) return Qtrue;
+    return Qfalse;
+}
+
+static VALUE
+fgdbm_each_value(obj)
+    VALUE obj;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_fetch(dbm, key);
+	rb_yield(rb_tainted_str_new(val.dptr, val.dsize));
+    }
+    return obj;
+}
+
+static VALUE
+fgdbm_each_key(obj)
+    VALUE obj;
+{
+    datum key;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	rb_yield(rb_tainted_str_new(key.dptr, key.dsize));
+    }
+    return obj;
+}
+
+static VALUE
+fgdbm_each_pair(obj)
+    VALUE obj;
+{
+    datum key, val;
+    GDBM_FILE dbm;
+    struct dbmdata *dbmp;
+    VALUE keystr, valstr;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_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
+fgdbm_keys(obj)
+    VALUE obj;
+{
+    datum key;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    VALUE ary;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+
+    ary = rb_ary_new();
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	rb_ary_push(ary, rb_tainted_str_new(key.dptr, key.dsize));
+    }
+
+    return ary;
+}
+
+static VALUE
+fgdbm_values(obj)
+    VALUE obj;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    VALUE ary;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+
+    ary = rb_ary_new();
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_fetch(dbm, key);
+	rb_ary_push(ary, rb_tainted_str_new(val.dptr, val.dsize));
+    }
+
+    return ary;
+}
+
+static VALUE
+fgdbm_has_key(obj, keystr)
+    VALUE obj, keystr;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    Check_Type(keystr, T_STRING);
+    key.dptr = RSTRING(keystr)->ptr;
+    key.dsize = RSTRING(keystr)->len;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    val = gdbm_fetch(dbm, key);
+    if (val.dptr) return Qtrue;
+    return Qfalse;
+}
+
+static VALUE
+fgdbm_has_value(obj, valstr)
+    VALUE obj, valstr;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE 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 = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_fetch(dbm, key);
+	if (val.dsize == RSTRING(valstr)->len &&
+	    memcmp(val.dptr, RSTRING(valstr)->ptr, val.dsize) == 0)
+	    return Qtrue;
+    }
+    return Qfalse;
+}
+
+static VALUE
+fgdbm_to_a(obj)
+    VALUE obj;
+{
+    datum key, val;
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+    VALUE ary;
+
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+
+    ary = rb_ary_new();
+    for (key = gdbm_firstkey(dbm); key.dptr; key = gdbm_nextkey(dbm, key)) {
+	val = gdbm_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
+fgdbm_reorganize(obj)
+    VALUE obj;
+{
+    struct dbmdata *dbmp;
+    GDBM_FILE dbm;
+
+    rb_secure(4);
+    GetDBM(obj, dbmp);
+    dbm = dbmp->di_dbm;
+    gdbm_reorganize(dbm);
+    return obj;
+}
+
+void
+Init_gdbm()
+{
+    cGDBM = rb_define_class("GDBM", rb_cObject);
+    rb_include_module(cGDBM, rb_mEnumerable);
+
+    rb_define_singleton_method(cGDBM, "open", fgdbm_s_open, -1);
+    rb_define_singleton_method(cGDBM, "new", fgdbm_s_open, -1);
+    rb_define_method(cGDBM, "close", fgdbm_close, 0);
+    rb_define_method(cGDBM, "[]", fgdbm_fetch, 1);
+    rb_define_method(cGDBM, "[]=", fgdbm_store, 2);
+    rb_define_method(cGDBM, "indexes",  fgdbm_indexes, -1);
+    rb_define_method(cGDBM, "indices",  fgdbm_indexes, -1);
+    rb_define_method(cGDBM, "length", fgdbm_length, 0);
+    rb_define_alias(cGDBM,  "size", "length");
+    rb_define_method(cGDBM, "empty?", fgdbm_empty_p, 0);
+    rb_define_method(cGDBM, "each", fgdbm_each_pair, 0);
+    rb_define_method(cGDBM, "each_value", fgdbm_each_value, 0);
+    rb_define_method(cGDBM, "each_key", fgdbm_each_key, 0);
+    rb_define_method(cGDBM, "each_pair", fgdbm_each_pair, 0);
+    rb_define_method(cGDBM, "keys", fgdbm_keys, 0);
+    rb_define_method(cGDBM, "values", fgdbm_values, 0);
+    rb_define_method(cGDBM, "shift", fgdbm_shift, 1);
+    rb_define_method(cGDBM, "delete", fgdbm_delete, 1);
+    rb_define_method(cGDBM, "delete_if", fgdbm_delete_if, 0);
+    rb_define_method(cGDBM, "clear", fgdbm_clear, 0);
+    rb_define_method(cGDBM,"invert", fgdbm_invert, 0);
+    rb_define_method(cGDBM,"update", fgdbm_update, 1);
+    rb_define_method(cGDBM,"replace", fgdbm_replace, 1);
+    rb_define_method(cGDBM,"reorganize", fgdbm_reorganize, 0);
+
+    rb_define_method(cGDBM, "include?", fgdbm_has_key, 1);
+    rb_define_method(cGDBM, "has_key?", fgdbm_has_key, 1);
+    rb_define_method(cGDBM, "has_value?", fgdbm_has_value, 1);
+    rb_define_method(cGDBM, "key?", fgdbm_has_key, 1);
+    rb_define_method(cGDBM, "value?", fgdbm_has_value, 1);
+
+    rb_define_method(cGDBM, "to_a", fgdbm_to_a, 0);
+}