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// file : CCF/IDL2/SemanticGraph/Name.hpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#ifndef CCF_IDL2_SEMANTIC_GRAPH_NAME_HPP
#define CCF_IDL2_SEMANTIC_GRAPH_NAME_HPP
#include <vector>
#include <string>
#include <iosfwd>
namespace CCF
{
namespace IDL2
{
namespace SemanticGraph
{
//@@ better names for names: maybe SimpleName, ScopedName, FullName?
//
//
class InvalidName {};
class SimpleName
{
public:
SimpleName (char const* name) throw (InvalidName);
SimpleName (std::string const& name) throw (InvalidName);
public:
// Comparisons are escape-insensitive.
//
bool
operator< (SimpleName const& other) const
{
return name_ < other.name_;
}
bool
operator== (SimpleName const& other) const
{
return name_ == other.name_;
}
bool
operator!= (SimpleName const& other) const
{
return name_ != other.name_;
}
public:
bool
escaped () const
{
return escaped_;
}
std::string
str () const
{
return (escaped_ ? "_" : "") + name_;
}
std::string
unescaped_str () const
{
return name_;
}
private:
bool escaped_;
std::string name_;
};
// The following operators preserve escaping.
//
SimpleName
operator+ (SimpleName const& name, std::string const& str);
SimpleName
operator+ (std::string const& str, SimpleName const& name);
//
//
//
class Name
{
typedef
std::vector<SimpleName>
Name_;
public:
Name (SimpleName const& name);
Name (char const* name) throw (InvalidName);
Name (std::string const& name) throw (InvalidName);
typedef
Name_::const_iterator
Iterator;
Name (Iterator begin, Iterator end) throw (InvalidName);
public:
// Comparisons are escape-insensitive.
//
bool
operator< (Name const& other) const
{
return name_cache_ < other.name_cache_;
}
bool
operator== (Name const& other) const
{
return name_cache_ == other.name_cache_;
}
bool
operator!= (Name const& other) const
{
return name_cache_ != other.name_cache_;
}
public:
Iterator
begin () const
{
return name_.begin ();
}
Iterator
end () const
{
return name_.end ();
}
public:
bool
scoped () const;
bool
simple () const;
public:
std::string
str () const
{
std::string r;
for (Iterator b (begin ()), i (b), e (end ()); i != e; ++i)
r += (i != b ? "::" : "") + i->str ();
return r;
}
std::string
unescaped_str () const
{
return name_cache_;
}
private:
void
init (std::string const& name) throw (InvalidName);
private:
Name_ name_;
std::string name_cache_; // Unescaped name cache.
};
// Should always start with "::". Can be just "::" which
// means it's a file-scope.
//
//
class ScopedName : public Name
{
public:
ScopedName (char const* name) throw (InvalidName);
ScopedName (std::string const& name) throw (InvalidName);
ScopedName (Iterator begin, Iterator end) throw (InvalidName);
explicit
ScopedName (Name const& name) throw (InvalidName);
ScopedName (ScopedName const& scope, Name const& name)
throw (InvalidName);
public:
SimpleName
simple_name () const;
class FileScope {};
ScopedName
scope_name () const throw (FileScope);
};
// Name printer index for the stream's pword.
//
extern int const name_printer_index;
//
//
struct NamePrinter
{
virtual ~NamePrinter ();
virtual void
print (std::ostream&, SimpleName const&) = 0;
// The default implementation prints individul simple names
// using the print function above seperated by '::'.
//
virtual void
print (std::ostream&, Name const&);
};
}
}
}
// Uses the name printer (see above) If it is installed, otherwise
// prints in the escaped form.
//
std::ostream&
operator << (std::ostream&, CCF::IDL2::SemanticGraph::SimpleName const&);
// Uses the name printer (see above) If it is installed, otherwise
// prints in the escaped form.
//
std::ostream&
operator << (std::ostream& o, CCF::IDL2::SemanticGraph::Name const& name);
#endif // CCF_IDL2_SEMANTIC_GRAPH_NAME_HPP
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