xr-value.h

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/* 
 * Copyright 2006-2008 Ondrej Jirman <ondrej.jirman@zonio.net>
 * 
 * This file is part of libxr.
 *
 * Libxr 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 of the License, or (at your option) any
 * later version.
 *
 * Libxr 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 libxr.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __XR_VALUE_H__
#define __XR_VALUE_H__

#include "xr-lib.h"

enum _xr_value_node_type {
  XRV_ARRAY,   
  XRV_STRUCT,  
  XRV_MEMBER,  
  XRV_INT,     
  XRV_STRING,  
  XRV_BOOLEAN, 
  XRV_DOUBLE,  
  XRV_TIME,    
  XRV_BLOB     
};

typedef struct _xr_value xr_value;

typedef struct _xr_blob xr_blob;

struct _xr_blob
{
  char* buf;   
  int len;     
  char refs;   
};

G_BEGIN_DECLS

xr_blob* xr_blob_new(char* buf, int len);

void xr_blob_unref(xr_blob* blob);

xr_blob* xr_blob_ref(xr_blob* blob);

xr_value* xr_value_ref(xr_value* val);

void xr_value_unref(xr_value* val);

xr_value* xr_value_string_new(const char* val);

xr_value* xr_value_int_new(int val);

xr_value* xr_value_bool_new(int val);

xr_value* xr_value_double_new(double val);

xr_value* xr_value_time_new(const char* val);

xr_value* xr_value_blob_new(xr_blob* val);

gboolean xr_value_to_int(xr_value* val, int* nval);

gboolean xr_value_to_string(xr_value* val, char** nval);

gboolean xr_value_to_bool(xr_value* val, int* nval);

gboolean xr_value_to_double(xr_value* val, double* nval);

gboolean xr_value_to_time(xr_value* val, char** nval);

gboolean xr_value_to_blob(xr_value* val, xr_blob** nval);

gboolean xr_value_to_value(xr_value* val, xr_value** nval);

int xr_value_get_type(xr_value* val);

xr_value* xr_value_array_new();

void xr_value_array_append(xr_value* arr, xr_value* val);

GSList* xr_value_get_items(xr_value* arr);

xr_value* xr_value_struct_new();

void xr_value_struct_set_member(xr_value* str, const char* name, xr_value* val);

xr_value* xr_value_get_member(xr_value* str, const char* name);

GSList* xr_value_get_members(xr_value* str);

const char* xr_value_get_member_name(xr_value* mem);

xr_value* xr_value_get_member_value(xr_value* mem);

gboolean xr_value_is_error_retval(xr_value* val, int* errcode, char** errmsg);

void xr_value_dump(xr_value* v, GString* string, int indent);

G_END_DECLS

#endif