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/*
* SPL - The SPL Programming Language
* Copyright (C) 2004, 2005 Clifford Wolf <clifford@clifford.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* hnode.c: C-Library interface for complex nodes
*/
#define _GNU_SOURCE
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include "spl.h"
#include "compat.h"
void spl_hnode_reg(struct spl_vm *vm, const char *name, spl_hnode_function *handler, void *data)
{
struct spl_hnode *hnode = calloc(1, sizeof(struct spl_hnode));
hnode->name = strdup(name);
hnode->handler = handler;
hnode->data = data;
hnode->next = vm->hnode_list;
vm->hnode_list = hnode;
}
void spl_hnode(struct spl_vm *vm, struct spl_node *node, const char *key,
const char *handler, struct spl_module *mod)
{
struct spl_node *n = spl_get(0);
struct spl_task *t = 0;
if (mod) {
t = spl_task_create(vm, 0);
t->module = strdup(mod->name);
}
n->hnode_name = strdup(handler);
spl_create(t, node, key, n, SPL_CREATE_LOCAL);
if (t) spl_task_destroy(vm, t);
}
void spl_hnode_call(struct spl_task *task, struct spl_vm *vm,
struct spl_node *node, struct spl_hnode_args *args)
{
struct spl_hnode *hnode = vm->hnode_list;
while (hnode) {
if (!strcmp(node->hnode_name, hnode->name)) {
hnode->handler(task, vm, node, args, hnode->data);
return;
}
hnode = hnode->next;
}
}
struct spl_node *spl_hnode_lookup(struct spl_task *task, struct spl_node *node,
const char *key, int flags)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_LOOKUP;
args.key = key;
args.flags = flags;
spl_hnode_call(task, task->vm, node, &args);
return args.value;
}
struct spl_node *spl_hnode_create(struct spl_task *task,
struct spl_node *node, const char *key, struct spl_node *newnode, int flags)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_CREATE;
args.key = key;
args.value = newnode;
args.flags = flags;
spl_hnode_call(task, task->vm, node, &args);
return args.value;
}
void spl_hnode_delete(struct spl_task *task, struct spl_node *node, const char *key)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_DELETE;
args.key = key;
spl_hnode_call(task, task->vm, node, &args);
}
struct spl_node *spl_hnode_next(struct spl_task *task,
struct spl_node *node, const char *key)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_NEXT;
args.key = key;
spl_hnode_call(task, task->vm, node, &args);
return args.value;
}
struct spl_node *spl_hnode_prev(struct spl_task *task,
struct spl_node *node, const char *key)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_NEXT;
args.key = key;
spl_hnode_call(task, task->vm, node, &args);
return args.value;
}
struct spl_node *spl_hnode_copy(struct spl_vm *vm, struct spl_node *node)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_COPY;
spl_hnode_call(0, vm, node, &args);
return args.value;
}
void spl_hnode_put(struct spl_vm *vm, struct spl_node *node)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_PUT;
spl_hnode_call(0, vm, node, &args);
}
void spl_hnode_dump(struct spl_vm *vm, struct spl_node *node)
{
struct spl_hnode_args args;
memset(&args, 0, sizeof(args));
args.action = SPL_HNODE_ACTION_DUMP;
spl_hnode_call(0, vm, node, &args);
}
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