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/*
* Copyright (C) 2005 Laurent Sansonetti <lrz@chopine.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include "rbzoom.h"
ZOOM_options
ruby_hash_to_zoom_options (VALUE hash)
{
ZOOM_options options;
VALUE ary;
VALUE pair;
VALUE key;
VALUE value;
int i;
options = ZOOM_options_create ();
ary = rb_funcall (hash, rb_intern ("to_a"), 0);
for (i = 0; i < RARRAY_LEN(ary); i++) {
pair = RARRAY_PTR(ary)[i];
key = RARRAY_PTR(pair)[0];
value = RARRAY_PTR(pair)[1];
switch (TYPE (value)) {
case T_TRUE:
case T_FALSE:
ZOOM_options_set_int (options,
RVAL2CSTR (key),
RVAL2CBOOL (value) ? 1 : 0);
break;
case T_FIXNUM:
ZOOM_options_set_int (options,
RVAL2CSTR (key),
FIX2INT (value));
break;
case T_STRING:
ZOOM_options_set (options,
RVAL2CSTR (key),
RVAL2CSTR (value));
break;
default:
rb_raise (rb_eArgError, "Unrecognized type");
}
}
return options;
}
VALUE
zoom_option_value_to_ruby_value (const char *value)
{
unsigned int i;
if (value == NULL)
return Qnil;
for (i = 0; i < strlen (value); i++)
if (!isdigit (value [i]))
return CSTR2RVAL (value);
return INT2FIX (atoi (value));
}
void
define_zoom_option (VALUE klass, const char *option)
{
char code [1024];
char rubyname [128];
char c;
unsigned int i;
unsigned int j;
/* rubyfy the option name */
for (i = 0, j = 0; i < strlen (option) && j < sizeof rubyname; i++, j++) {
c = option [i];
if (isupper (c)) {
rubyname [j++] = '_';
c = tolower (c);
}
else if (c == '-')
{
c = '_';
}
else if (c == '.')
{
c = '_';
}
rubyname [j] = c;
}
rubyname [j] = '\0';
snprintf (code, sizeof code,
"def %s; get_option(\"%s\"); end\n"
"def %s=(val); set_option(\"%s\", val); val; end\n"
"def set_%s(val); set_option(\"%s\", val); end\n",
rubyname, option,
rubyname, option,
rubyname, option);
rb_funcall (klass, rb_intern ("module_eval"), 1, CSTR2RVAL (code));
}
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