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/*
* Sary::Builder - a builder class for Sary
*
* $Id: builder.c,v 1.1.1.1 2004/09/18 00:26:46 satoru-t Exp $
*
* Copyright (C) 2000 TAKAOKA Kazuma <kazuma-t@is.aist-nara.ac.jp>
* All right reserved.
*
* 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 <stddef.h>
#include <errno.h>
#include "sary.h"
#include "ruby.h"
#include "version.h"
#define GET_Builder(obj, dat) Data_Get_Struct(obj, SaryBuilder, dat)
static VALUE BuilderClass;
/* For SaryBuilder class. */
static VALUE rsbuilder_s_new(int argc, VALUE *argv, VALUE klass);
static void rsbuilder_destroy(SaryBuilder *builder);
static VALUE rsbuilder_sort(int argc, VALUE *argv, VALUE klass);
static VALUE rsbuilder_block_sort(int argc, VALUE *argv, VALUE klass);
static VALUE rsbuilder_set_block_size(VALUE klass, VALUE size);
static VALUE rsbuilder_set_nthreads(VALUE klass, VALUE nthreads);
static void dummy_progress(SaryProgress *progress);
static void progress(SaryProgress *progress);
static VALUE rsbuilder_s_new(int argc, VALUE *argv, VALUE klass)
{
NEWOBJ(data, struct RData);
OBJSETUP(data, klass, T_DATA);
rb_obj_call_init((VALUE)data, argc, argv);
return (VALUE)data;
}
static VALUE rsbuilder_initialize(int argc, VALUE *argv, VALUE klass)
{
SaryBuilder *builder;
char *file_name_ptr;
char *array_name_ptr;
VALUE file_name, array_name;
rb_scan_args(argc, argv, "11", &file_name, &array_name);
Check_SafeStr(file_name);
#if RUBY_VERSION_CODE >= 180
file_name_ptr = StringValuePtr(file_name);
#else
file_name_ptr = STR2CSTR(file_name);
#endif
if (array_name == Qnil)
builder = sary_builder_new(file_name_ptr);
else {
Check_SafeStr(array_name);
#if RUBY_VERSION_CODE >= 180
array_name_ptr = StringValuePtr(array_name);
#else
array_name_ptr = STR2CSTR(array_name);
#endif
builder = sary_builder_new2(file_name_ptr, array_name_ptr);
}
if (builder == NULL)
rb_raise(rb_eIOError, g_strerror(errno));
Check_Type(klass, T_DATA);
RDATA(klass)->dfree = (RUBY_DATA_FUNC)rsbuilder_destroy;
RDATA(klass)->dmark = (RUBY_DATA_FUNC)0;
DATA_PTR(klass) = builder;
return klass;
}
static void rsbuilder_destroy(SaryBuilder *builder)
{
sary_builder_destroy(builder);
}
static VALUE rsb_sort(int argc, VALUE *argv, VALUE klass,
gboolean (*func)(SaryBuilder*))
{
SaryBuilder *builder;
VALUE block;
rb_scan_args(argc, argv, "00&", &block);
GET_Builder(klass, builder);
if (block == Qnil) {
sary_builder_connect_progress(builder, dummy_progress, NULL);
} else {
sary_builder_connect_progress(builder, progress, NULL);
}
if (func(builder) == FALSE) {
rb_raise(rb_eRuntimeError, g_strerror(errno));
}
return klass;
}
static VALUE rsbuilder_sort(int argc, VALUE *argv, VALUE klass)
{
return rsb_sort(argc, argv, klass, sary_builder_sort);
}
static VALUE rsbuilder_block_sort(int argc, VALUE *argv, VALUE klass)
{
return rsb_sort(argc, argv, klass, sary_builder_block_sort);
}
static VALUE rsbuilder_set_block_size(VALUE klass, VALUE size)
{
SaryBuilder *builder;
GET_Builder(klass, builder);
sary_builder_set_block_size(builder, NUM2INT(size));
return klass;
}
static void dummy_progress(SaryProgress *progress)
{
/* do nothing */
}
static void progress(SaryProgress *progress)
{
VALUE args;
SaryInt cur_percentage, prev_percentage;
gint current = progress->current + 1;
gint previous = progress->previous + 1;
gint total = progress->total + 1;
cur_percentage = (gint)((gdouble)current * 100 / total);
prev_percentage = (gint)((gdouble)previous * 100 / total);
if (cur_percentage > prev_percentage || progress->is_finished) {
args = rb_ary_new3(4, rb_str_new2(progress->task),
INT2NUM(current), INT2NUM(total),
(progress->is_finished) ? Qtrue : Qfalse);
rb_yield(args);
}
}
static VALUE rsbuilder_set_nthreads(VALUE klass, VALUE nthreads)
{
SaryBuilder *builder;
GET_Builder(klass, builder);
sary_builder_set_nthreads(builder, NUM2INT(nthreads));
return klass;
}
/*
* Initialize class
*/
void
Init_sarybuilder(VALUE module)
{
BuilderClass
= rb_define_class_under(module, "Builder", rb_cObject);
rb_define_singleton_method(BuilderClass, "new", rsbuilder_s_new, -1);
rb_define_method(BuilderClass, "initialize", rsbuilder_initialize, -1);
rb_define_method(BuilderClass, "sort", rsbuilder_sort, -1);
rb_define_method(BuilderClass, "block_sort", rsbuilder_block_sort, -1);
rb_define_method(BuilderClass, "set_block_size",
rsbuilder_set_block_size, 1);
rb_define_method(BuilderClass, "set_nthreads",
rsbuilder_set_nthreads, 1);
}
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