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// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef Group_INCLUDED
#define Group_INCLUDED 1
#ifdef __GNUG__
#pragma interface
#endif
#include "Boolean.h"
#include "ContentToken.h"
#include "StringC.h"
#include "MessageArg.h"
#include "Owner.h"
#include "Syntax.h"
#include "Text.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class GroupToken {
public:
GroupToken() { }
enum Type {
invalid,
nameToken,
name,
dataTagLiteral, // data tag (padding) template
dataTagGroup,
elementToken,
modelGroup,
pcdata,
dataTagTemplateGroup,
all,
implicit
};
Type type;
StringC token; // name nameToken; with substitution
Owner<ModelGroup> model;
Owner<ContentToken> contentToken; // elementToken pcdata dataTagGroup
Text text;
Vector<Text> textVector;
private:
GroupToken(const GroupToken &); // undefined
void operator=(const GroupToken &); // undefined
};
class AllowedGroupTokens {
public:
AllowedGroupTokens(GroupToken::Type,
GroupToken::Type = GroupToken::invalid,
GroupToken::Type = GroupToken::invalid,
GroupToken::Type = GroupToken::invalid,
GroupToken::Type = GroupToken::invalid,
GroupToken::Type = GroupToken::invalid);
Boolean groupToken(GroupToken::Type) const;
// modelGroup, dataTagTemplateGroup
GroupToken::Type group() const;
GroupToken::Type nameStart() const;
private:
void allow(GroupToken::Type);
unsigned flags_;
};
struct GroupConnector {
enum Type {
andGC,
orGC,
seqGC,
grpcGC,
dtgcGC
};
Type type;
};
class AllowedGroupConnectors {
public:
AllowedGroupConnectors(GroupConnector::Type);
AllowedGroupConnectors(GroupConnector::Type, GroupConnector::Type);
AllowedGroupConnectors(GroupConnector::Type, GroupConnector::Type,
GroupConnector::Type);
AllowedGroupConnectors(GroupConnector::Type, GroupConnector::Type,
GroupConnector::Type, GroupConnector::Type);
Boolean groupConnector(GroupConnector::Type) const;
private:
void allow(GroupConnector::Type);
unsigned flags_;
};
class AllowedGroupTokensMessageArg : public MessageArg {
public:
AllowedGroupTokensMessageArg(const AllowedGroupTokens &allow,
const ConstPtr<Syntax> &syntax);
MessageArg *copy() const;
void append(MessageBuilder &) const;
private:
AllowedGroupTokens allow_;
ConstPtr<Syntax> syntax_;
};
class AllowedGroupConnectorsMessageArg : public MessageArg {
public:
AllowedGroupConnectorsMessageArg(const AllowedGroupConnectors &allow,
const ConstPtr<Syntax> &syntax);
MessageArg *copy() const;
void append(MessageBuilder &) const;
private:
AllowedGroupConnectors allow_;
ConstPtr<Syntax> syntax_;
};
inline
Boolean AllowedGroupTokens::groupToken(GroupToken::Type i) const
{
return ((1 << i) & flags_) != 0;
}
inline
GroupToken::Type AllowedGroupTokens::group() const
{
if (groupToken(GroupToken::modelGroup))
return GroupToken::modelGroup;
else if (groupToken(GroupToken::dataTagTemplateGroup))
return GroupToken::dataTagTemplateGroup;
else
return GroupToken::invalid;
}
inline
GroupToken::Type AllowedGroupTokens::nameStart() const
{
if (groupToken(GroupToken::elementToken))
return GroupToken::elementToken;
else if (groupToken(GroupToken::nameToken))
return GroupToken::nameToken;
else if (groupToken(GroupToken::name))
return GroupToken::name;
else
return GroupToken::invalid;
}
inline
void AllowedGroupTokens::allow(GroupToken::Type t)
{
flags_ |= (1 << t);
}
inline
Boolean AllowedGroupConnectors::groupConnector(GroupConnector::Type c) const
{
return (flags_ & (1 << c)) != 0;
}
inline
void AllowedGroupConnectors::allow(GroupConnector::Type c)
{
flags_ |= (1 << c);
}
#ifdef SP_NAMESPACE
}
#endif
#endif /* not Group_INCLUDED */
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