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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <glib.h>
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#include <string.h>
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#include "item.h"
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#include "debug.h"
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#include "callback.h"
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struct callback_list *
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callback_list_new(void)
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{
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struct callback_list *ret=g_new0(struct callback_list, 1);
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return ret;
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}
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struct callback *
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callback_new_attr(void (*func)(void), enum attr_type type, int pcount, void **p)
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{
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struct callback *ret;
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int i;
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ret=g_malloc0(sizeof(struct callback)+pcount*sizeof(void *));
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ret->func=func;
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ret->pcount=pcount;
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ret->type=type;
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for (i = 0 ; i < pcount ; i++)
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{
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ret->p[i]=p[i];
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}
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ret->func_name[0] = 'e';
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ret->func_name[1] = 'm';
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ret->func_name[2] = 'p';
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ret->func_name[3] = 't';
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ret->func_name[4] = 'y';
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ret->func_name[5] = '\0';
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ret->setup_func_name[0] = 'e';
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ret->setup_func_name[1] = 'm';
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ret->setup_func_name[2] = 'p';
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ret->setup_func_name[3] = 't';
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ret->setup_func_name[4] = 'y';
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ret->setup_func_name[5] = '\0';
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return ret;
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}
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static void callback_print_names(struct callback *cb, const char *cb_func)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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if (cb == NULL)
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{
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dbg(0,"%d CB_f=%s:CB=NULL!\n", cb, cb_func);
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}
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else
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{
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dbg(0,"%d CB_f=%s, parent=%s, func=%s\n", cb, cb_func, cb->setup_func_name, cb->func_name);
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}
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#endif
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}
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static void callback_print_names2(struct callback *cb, const char *cb_func, const char *module, const int mlen,const char *function)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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if (cb == NULL)
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{
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dbg(0,"%d CB_f=%s:CB=NULL! file=%s line=%d func=%s\n", cb, cb_func, module, mlen, function);
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}
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else
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{
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dbg(0,"%d CB_f=%s, parent=%s, func=%s -- file=%s line=%d func=%s\n", cb, cb_func, cb->setup_func_name, cb->func_name, module, mlen, function);
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}
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#endif
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}
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void callback_add_names(struct callback *cb, const char *parent_name, const char *func_name)
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{
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if (cb == NULL)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"callback_add_names:CB=NULL!\n");
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#endif
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return;
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}
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"%d CB_I=%s, %s\n", cb, parent_name, func_name);
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#endif
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snprintf(cb->func_name, 398, "%s", func_name);
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cb->func_name[397] = '\0';
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cb->func_name[398] = '\0';
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cb->func_name[399] = '\0';
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snprintf(cb->setup_func_name, 398, "%s", parent_name);
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cb->setup_func_name[397] = '\0';
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cb->setup_func_name[398] = '\0';
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cb->setup_func_name[399] = '\0';
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}
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struct callback *
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callback_new_attr_args(const char *module, const int mlen,const char *function, void (*func)(void), enum attr_type type, int count, ...)
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{
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int i;
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void **p=g_alloca(sizeof(void*)*count);
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va_list ap;
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va_start(ap, count);
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for (i = 0 ; i < count ; i++)
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p[i]=va_arg(ap, void *);
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va_end(ap);
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struct callback *ret = callback_new_attr(func, type, count, p);
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"%d callback_new_attr_%d -- file=%s line=%d func=%s\n", ret, count, module, mlen, function);
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#endif
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return ret;
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}
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struct callback *
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callback_new(void (*func)(void), int pcount, void **p)
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{
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return callback_new_attr(func, attr_none, pcount, p);
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}
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struct callback *
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callback_new_args(const char *module, const int mlen,const char *function, void (*func)(void), int count, ...)
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{
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int i;
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void **p=g_alloca(sizeof(void*)*count);
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va_list ap;
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va_start(ap, count);
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for (i = 0 ; i < count ; i++)
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p[i]=va_arg(ap, void *);
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va_end(ap);
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struct callback *ret = callback_new(func, count, p);
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"%d callback_new_%d -- file=%s line=%d func=%s\n", ret, count, module, mlen, function);
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#endif
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return ret;
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}
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void
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callback_destroy_real(const char *module, const int mlen,const char *function, struct callback *cb)
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{
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if (cb == NULL)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"%d callback_destroy_real:CB=NULL!! -- file=%s line=%d func=%s\n", cb, module, mlen, function);
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#endif
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return;
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}
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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callback_print_names2(cb, "callback_destroy", module, mlen, function);
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#endif
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g_free(cb);
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}
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void
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callback_set_arg(struct callback *cb, int arg, void *p)
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{
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if (arg < 0 || arg > cb->pcount)
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return;
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cb->p[arg]=p;
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}
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void
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callback_list_add(struct callback_list *l, struct callback *cb)
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{
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l->list=g_list_prepend(l->list, cb);
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}
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struct callback *
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callback_list_add_new(struct callback_list *l, void (*func)(void), int pcount, void **p)
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{
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struct callback *ret;
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ret=callback_new(func, pcount, p);
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callback_list_add(l, ret);
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return ret;
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}
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void
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callback_list_remove(struct callback_list *l, struct callback *cb)
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{
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l->list=g_list_remove(l->list, cb);
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}
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void
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callback_list_remove_destroy(struct callback_list *l, struct callback *cb)
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{
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if (l == NULL)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"callback_list_remove_destroy:CBL=NULL!!\n");
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#endif
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return;
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}
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if (cb == NULL)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"callback_list_remove_destroy:CB=NULL!!\n");
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#endif
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return;
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}
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callback_list_remove(l, cb);
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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callback_print_names(cb, "callback_list_remove_destroy");
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#endif
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g_free(cb);
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}
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void
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callback_call(struct callback *cb, int pcount, void **p)
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{
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int i;
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void *pf[8];
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if (! cb)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"callback_call:CB=NULL!!\n");
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#endif
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return;
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}
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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callback_print_names(cb, "callback_call");
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#endif
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if (cb->pcount + pcount <= 8)
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{
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//dbg(1,"cb->pcount=%d\n", cb->pcount);
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if (cb->pcount && cb->p)
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{
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//dbg(1,"cb->p[0]=%p\n", cb->p[0]);
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}
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//dbg(1,"pcount=%d\n", pcount);
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if (pcount)
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{
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dbg_assert(p!=NULL);
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//dbg(1,"p[0]=%p\n", p[0]);
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}
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for (i = 0 ; i < cb->pcount ; i++)
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pf[i]=cb->p[i];
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for (i = 0 ; i < pcount ; i++)
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pf[i+cb->pcount]=p[i];
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switch (cb->pcount+pcount)
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{
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case 8:
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cb->func(pf[0],pf[1],pf[2],pf[3],pf[4],pf[5],pf[6],pf[7]);
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break;
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case 7:
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cb->func(pf[0],pf[1],pf[2],pf[3],pf[4],pf[5],pf[6]);
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break;
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case 6:
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cb->func(pf[0],pf[1],pf[2],pf[3],pf[4],pf[5]);
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break;
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case 5:
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cb->func(pf[0],pf[1],pf[2],pf[3],pf[4]);
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break;
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case 4:
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cb->func(pf[0],pf[1],pf[2],pf[3]);
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break;
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case 3:
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cb->func(pf[0],pf[1],pf[2]);
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break;
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case 2:
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cb->func(pf[0],pf[1]);
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break;
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case 1:
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cb->func(pf[0]);
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break;
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case 0:
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cb->func();
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break;
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}
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}
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else
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"too many parameters for callback (%d+%d)\n", cb->pcount, pcount);
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#endif
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}
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}
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void
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callback_call_args_real(const char *module, const int mlen,const char *function, struct callback *cb, int count, ...)
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{
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if (cb == NULL)
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{
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// callback struct is NULL
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"callback_call:CB=NULL! file=%s line=%d func=%s\n", module, mlen, function);
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#endif
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return;
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}
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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callback_print_names2(cb, "callback_call", module, mlen, function);
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#endif
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int i;
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void **p=g_alloca(sizeof(void*)*count);
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va_list ap;
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va_start(ap, count);
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for (i = 0 ; i < count ; i++)
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p[i]=va_arg(ap, void *);
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va_end(ap);
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callback_call(cb, count, p);
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}
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void
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callback_list_call_attr(struct callback_list *l, enum attr_type type, int pcount, void **p)
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{
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GList *cbi;
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struct callback *cb;
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if (!l)
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{
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return;
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}
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cbi=l->list;
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while (cbi)
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{
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cb=cbi->data;
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if (type == attr_any || cb->type == attr_any || cb->type == type)
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{
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callback_call(cb, pcount, p);
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}
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cbi=g_list_next(cbi);
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}
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}
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|
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void
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callback_list_call_attr_args(const char *module, const int mlen,const char *function, struct callback_list *cbl, enum attr_type type, int count, ...)
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{
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int i;
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void **p=g_alloca(sizeof(void*)*count);
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va_list ap;
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va_start(ap, count);
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for (i = 0 ; i < count ; i++)
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p[i]=va_arg(ap, void *);
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va_end(ap);
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379 |
if (cbl == NULL)
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"%d callback_list_call_attr_args:CBL=NULL! file=%s line=%d func=%s\n", cbl, module, mlen, function);
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#endif
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return;
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}
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else
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{
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#ifdef NAVIT_CALLBACK_DEBUG_PRINT
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dbg(0,"%d callback_list_call_attr_args:file=%s line=%d func=%s\n", cbl, module, mlen, function);
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#endif
|
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}
|
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callback_list_call_attr(cbl, type, count, p);
|
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}
|
395 |
|
396 |
void
|
397 |
callback_list_call(struct callback_list *l, int pcount, void **p)
|
398 |
{
|
399 |
callback_list_call_attr(l, attr_any, pcount, p);
|
400 |
}
|
401 |
|
402 |
void
|
403 |
callback_list_call_args(const char *module, const int mlen,const char *function, struct callback_list *cbl, int count, ...)
|
404 |
{
|
405 |
|
406 |
if (cbl == NULL)
|
407 |
{
|
408 |
#ifdef NAVIT_CALLBACK_DEBUG_PRINT
|
409 |
dbg(0,"%d callback_list_call_args:CBL=NULL! file=%s line=%d func=%s\n", cbl, module, mlen, function);
|
410 |
#endif
|
411 |
return;
|
412 |
}
|
413 |
else
|
414 |
{
|
415 |
#ifdef NAVIT_CALLBACK_DEBUG_PRINT
|
416 |
dbg(0,"%d callback_list_call_args:file=%s line=%d func=%s\n", cbl, module, mlen, function);
|
417 |
#endif
|
418 |
}
|
419 |
|
420 |
int i;
|
421 |
void **p=g_alloca(sizeof(void*)*count);
|
422 |
va_list ap;
|
423 |
va_start(ap, count);
|
424 |
for (i = 0 ; i < count ; i++)
|
425 |
p[i]=va_arg(ap, void *);
|
426 |
va_end(ap);
|
427 |
callback_list_call(cbl, count, p);
|
428 |
}
|
429 |
|
430 |
void
|
431 |
callback_list_destroy(struct callback_list *l)
|
432 |
{
|
433 |
GList *cbi;
|
434 |
cbi=l->list;
|
435 |
while (cbi) {
|
436 |
g_free(cbi->data);
|
437 |
cbi=g_list_next(cbi);
|
438 |
}
|
439 |
g_list_free(l->list);
|
440 |
g_free(l);
|
441 |
}
|