Aegisub/vsfilter/libssf/Node.h

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/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "Stream.h"
#include "StringMap.h"
namespace ssf
{
class Definition;
class NodeFactory;
enum NodePriority {PLow, PNormal, PHigh};
class Node
{
protected:
NodeFactory* m_pnf;
public:
Node* m_parent;
CAtlList<Node*> m_nodes;
StringMapW<Node*> m_name2node;
CStringW m_type, m_name;
NodePriority m_priority;
bool m_predefined;
Node(NodeFactory* pnf, CStringW name);
virtual ~Node() {}
bool IsNameUnknown();
bool IsTypeUnknown();
bool IsType(CStringW type);
virtual void AddTail(Node* pNode);
virtual void GetChildDefs(CAtlList<Definition*>& l, LPCWSTR type = NULL, bool fFirst = true);
virtual void Dump(OutputStream& s, int level = 0, bool fLast = false) = 0;
};
class Reference : public Node
{
public:
Reference(NodeFactory* pnf, CStringW name);
virtual ~Reference();
void GetChildDefs(CAtlList<Definition*>& l, LPCWSTR type = NULL, bool fFirst = true);
void Dump(OutputStream& s, int level = 0, bool fLast = false);
};
class Definition : public Node
{
public:
template<typename T> struct Number {T value; int sign; CStringW unit;};
struct Time {Number<float> start, stop;};
enum status_t {node, string, number, boolean, block};
private:
status_t m_status;
bool m_autotype;
CStringW m_value, m_unit;
Number<float> m_num;
CStringW m_num_string;
StringMapW<Definition*> m_type2def;
void RemoveFromCache(LPCWSTR type = NULL);
template<typename T>
void GetAsNumber(Number<T>& n, StringMapW<T>* n2n = NULL);
public:
Definition(NodeFactory* pnf, CStringW name);
virtual ~Definition();
bool IsVisible(Definition* pDef);
void AddTail(Node* pNode);
void Dump(OutputStream& s, int level = 0, bool fLast = false);
Definition& operator[] (LPCWSTR type);
bool IsValue(status_t s = (status_t)0);
void SetAsValue(status_t s, CStringW v, CStringW u = L"");
void SetAsNumber(CStringW v, CStringW u = L"");
void GetAsString(CStringW& str);
void GetAsNumber(Number<int>& n, StringMapW<int>* n2n = NULL);
void GetAsNumber(Number<DWORD>& n, StringMapW<DWORD>* n2n = NULL);
void GetAsNumber(Number<float>& n, StringMapW<float>* n2n = NULL);
template<typename T>
void GetAsNumber(T& t, StringMapW<T>* n2n = NULL) {Number<T> n; GetAsNumber(n, n2n); t = n.value;}
void GetAsBoolean(bool& b);
bool GetAsTime(Time& t, StringMapW<float>& offset, StringMapW<float>* n2n = NULL, int default_id = 0);
operator LPCWSTR();
operator float();
operator bool();
Definition* SetChildAsValue(CStringW path, status_t s, CStringW v, CStringW u = L"");
Definition* SetChildAsNumber(CStringW path, CStringW v, CStringW u = L"");
};
}