289 lines
7.7 KiB
C
Executable File
289 lines
7.7 KiB
C
Executable File
/*****************************************************************************
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*
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* This program is free software ; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: node.h 615 2006-01-26 16:57:51Z picard $
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*
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* The Core Pocket Media Player
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* Copyright (c) 2004-2005 Gabor Kovacs
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*
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****************************************************************************/
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#ifndef __NODE_H
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#define __NODE_H
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#define MAXDATA (MAXPATH*sizeof(tchar_t))
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//----------------------------------------------------------------
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// data types
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// bool_t
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#define TYPE_BOOL 1
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// int
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#define TYPE_INT 2
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// fraction_t
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#define TYPE_FRACTION 3
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// null terminated tchar_t[]
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#define TYPE_STRING 4
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// rect
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#define TYPE_RECT 5
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// point
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#define TYPE_POINT 6
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// rgbval_t
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#define TYPE_RGB 7
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// node* (format1: node class)
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#define TYPE_NODE 10
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// comment pin
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#define TYPE_COMMENT 11
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// flow packet pin
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#define TYPE_PACKET 12
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// tick_t
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#define TYPE_TICK 13
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// blitfx
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#define TYPE_BLITFX 14
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// virtual key code (int)
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#define TYPE_HOTKEY 16
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// reset button
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#define TYPE_RESET 17
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// not value, just label for settings
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#define TYPE_LABEL 18
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// binary data (format1: size)
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#define TYPE_BINARY 19
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// notify
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#define TYPE_NOTIFY 20
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//----------------------------------------------------------------
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// data flags
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#define DF_RDONLY 0x00000001
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#define DF_SETUP 0x00000002
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#define DF_HIDDEN 0x00000004
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#define DF_MINMAX 0x00000008
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#define DF_INPUT 0x00000020
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#define DF_OUTPUT 0x00000040
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#define DF_NOSAVE 0x00000080
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#define DF_SOFTRESET 0x00000100
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#define DF_RESTART 0x00000200
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#define DF_CHECKLIST 0x00000400
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#define DF_HEX 0x00000800
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#define DF_ENUMSTRING 0x00001000
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#define DF_PERCENT 0x00002000
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#define DF_NOWRAP 0x00004000
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#define DF_GAP 0x00008000
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#define DF_RESYNC 0x00010000
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#define DF_MSEC 0x00020000
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#define DF_KBYTE 0x00040000
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#define DF_NEG 0x00080000
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#define DF_SHORTLABEL 0x00100000
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#define DF_MHZ 0x00200000
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#define DF_ENUMCLASS 0x00400000
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#define DF_ENUMUNSORT 0x00800000
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#define PERCENT_ONE 1024
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typedef struct datadef
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{
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int No;
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int Type;
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int Flags;
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int Format1; // DF_MINMAX:min, DF_ENUMSRING:string class, DF_ENUMCLASS:node class, nodeclass
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int Format2; // DF_MINMAX:max
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const tchar_t* Name;
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int Class;
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int Size;
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} datadef;
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typedef struct datatable
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{
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int No;
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int Type;
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int Flags;
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int Format1;
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int Format2;
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} datatable;
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#define DATATABLE_END(Class) { Class, -1 }
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//---------------------------------------------------------------
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// node
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#define NODE_CLASS FOURCC('N','O','D','E')
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#define NULL_ID FOURCC('N','U','L','L')
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// strings
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#define NODE_NAME 0
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#define NODE_CONTENTTYPE 1
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#define NODE_EXTS 2
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#define NODE_PROBE 3
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// registry (private)
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#define NODE_MODULE_PATH 4
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#define NODE_PARENT 5
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#define NODE_PRIORITY 6
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#define NODE_FLAGS 7
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#define NODE_MAX_REGISTRY 8
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// refresh settings (it's not thread safe. playback decoding could be runing!)
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#define NODE_SETTINGSCHANGED 8
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// emergancy release of critical resources
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#define NODE_CRASH 9
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// release unneccessary memory (void)
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#define NODE_HIBERNATE 10
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#define NODE_PARTOF 11
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// enumerate parameters (EnumNo decremented...)
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typedef int (*nodeenum)(void* This,int* EnumNo,datadef* Out);
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// get parameter
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typedef int (*nodeget)(void* This,int No,void* Data,int Size);
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// set parameter or send data
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typedef int (*nodeset)(void* This,int No,const void* Data,int Size);
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// simple node function
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typedef int (*nodefunc)(void* This);
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#define VMT_NODE \
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int Class; \
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nodeenum Enum; \
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nodeget Get; \
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nodeset Set;
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typedef struct node
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{
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int Class;
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nodeenum Enum;
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nodeget Get;
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nodeset Set;
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} node;
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typedef struct pin
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{
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node* Node;
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int No;
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} pin;
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//-----------------------------------------------------------------
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// node class definition
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#define CF_SIZE 0x00FFFFFF
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#define CF_GLOBAL 0x01000000
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#define CF_SETTINGS 0x02000000
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#define CF_ABSTRACT 0x08000000
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// create node (optional)
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typedef int (*nodecreate)(node* This);
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// delete node (optional)
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typedef void (*nodedelete)(node* This);
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typedef struct nodedef
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{
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int Flags;
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int Class;
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int ParentClass;
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int Priority;
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nodecreate Create;
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nodedelete Delete;
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} nodedef;
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//---------------------------------------------------------------
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// node priority classes
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#define PRI_MINIMUM 1
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#define PRI_DEFAULT 1000
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#define PRI_MAXIMUM 10000
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//---------------------------------------------------------------
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// hibernate levels
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#define HIBERNATE_UNUSED 0
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#define HIBERNATE_SOFT 1
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#define HIBERNATE_HARD 2
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#define HIBERNATEMODES 3
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//---------------------------------------------------------------
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// functions managing node meta information
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void Node_Init();
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void Node_Done();
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void Static_Init();
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void Static_Done();
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void Plugins_Init();
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void Plugins_Done();
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DLL void NodeRegisterClass(const nodedef*);
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DLL void NodeUnRegisterClass(int Class);
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DLL int NodeEnumClass(array* List, int Class); // List=NULL just returns the first class
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DLL int NodeEnumClassEx(array* List, int Class,
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const tchar_t* ContentType, const tchar_t* URL, const void* Data, int Length);
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DLL const nodedef* NodeClassDef(int Class);
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DLL bool_t NodeIsClass(int Class, int PartOfClass);
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// functions for existing nodes
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DLL node* NodeCreate(int Class);
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DLL void NodeDelete(node*);
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DLL bool_t NodeHibernate();
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DLL int NodeSettingsChanged();
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DLL int NodeBroadcast(int Msg,const void* Data,int Size);
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DLL node* NodeEnumObject(array* List, int Class);
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// registry handling
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#ifdef REGISTRY_GLOBAL
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DLL void NodeRegLoadGlobal();
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DLL void NodeRegSaveGlobal();
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#else
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DLL bool_t NodeRegLoadValue(int Class, int Id, void* Data, int Size, int Type);
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DLL void NodeRegSaveValue(int Class, int Id, const void* Data, int Size, int Type);
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DLL void NodeRegLoad(node*);
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DLL void NodeRegSave(node*);
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#endif
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// helper funcions
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DLL int NodeEnumTable(int* EnumNo, datadef* Out, const datatable*);
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DLL bool_t NodeDataDef(node* p, int No, datadef* Out);
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DLL int NodeEnum(node* p, int No, datadef* Out);
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DLL bool_t NodeLocatePtr(void* Ptr, tchar_t* OutName, int OutLen, int* OutBase);
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DLL void NodeDump(struct stream* File);
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DLL bool_t NodeRegLoadString(int Class, int Id);
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DLL void NodeRegSaveString(int Class, int Id);
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// functions which should be exported in node DLLs
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DLLEXPORT int DLLRegister(int ContextVersion);
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DLLEXPORT void DLLUnRegister();
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DLLEXPORT void DLLTest();
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DLLEXPORT void DLLTest2();
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// internal
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void NodeLoadClass(const nodedef* Def,const tchar_t* Module,int ModuleId);
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void NodeAddModule(const tchar_t* Path,int Id,int64_t Date,bool_t Load,bool_t Tmp);
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bool_t NodeFindModule(const tchar_t* Path,int Id);
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void* NodeLoadModule(const tchar_t* Path,int* Id,void** AnyFunc,void** Db);
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void NodeFreeModule(void* Module,void* Db);
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int NodeGetModuleCount();
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const tchar_t* NodeGetModule(int No,int* Id,int64_t* Date);
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int NodeGetClassCount();
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const nodedef* NodeGetClass(int No,int* Module);
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#endif
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