1 files changed, 96 insertions, 0 deletions
diff --git a/using.h b/using.h
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index 0000000..ad73607
--- /dev/null
+++ b/using.h
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+#ifndef INCLUDE_BLASSIC_USING_H
+#define INCLUDE_BLASSIC_USING_H
+
+// using.h
+// Revision 7-feb-2005
+
+#include "error.h"
+#include "file.h"
+
+#include <iostream>
+#include <string>
+
+
+class Using {
+protected:
+	Using () { }
+public:
+	virtual ~Using ();
+	virtual Using * clone () const= 0;
+	virtual bool isliteral () const;
+	virtual void putliteral (blassic::file::BlFile &) const= 0;
+	virtual void putnumeric (blassic::file::BlFile &, BlNumber) const;
+	virtual void putstring (blassic::file::BlFile &,
+		const std::string &) const;
+};
+
+class UsingLiteral : public Using {
+public:
+	UsingLiteral (std::istream & is);
+	UsingLiteral (std::istream & is, const std::string & strinit);
+	UsingLiteral (const std::string & strinit);
+	UsingLiteral * clone () const
+	{ return new UsingLiteral (* this); }
+	bool isliteral () const;
+	const std::string & str () const { return s; }
+	void addstr (const std::string & stradd);
+	void putliteral (blassic::file::BlFile & out) const;
+	void putnumeric (blassic::file::BlFile &, BlNumber) const;
+	void putstring (blassic::file::BlFile &, const std::string &) const;
+private:
+	std::string s;
+	void init (std::istream & is);
+};
+
+class UsingNumeric : public Using {
+public:
+	UsingNumeric (std::istream & is, std::string & tail);
+	UsingNumeric * clone () const
+	{ return new UsingNumeric (* this); }
+	const std::string & str () const { return s; }
+	bool isvalid () const { return ! invalid; }
+	void putliteral (blassic::file::BlFile &) const;
+	void putnumeric (blassic::file::BlFile & out, BlNumber n) const;
+private:
+	bool invalid;
+	std::string s;
+	size_t digit, decimal, scientific;
+	bool milliards, putsign, signatend, blankpositive;
+	bool asterisk, dollar, pound, euro;
+};
+
+class UsingString : public Using {
+public:
+	UsingString (std::istream & is);
+	UsingString * clone () const
+	{ return new UsingString (* this); }
+	void putliteral (blassic::file::BlFile &) const;
+	void putstring (blassic::file::BlFile & out,
+		const std::string & str) const;
+private:
+	size_t n;
+};
+
+class VectorUsing
+{
+public:
+	VectorUsing ();
+	~VectorUsing ();
+	size_t size () const { return v.size (); }
+	bool empty () const { return v.empty (); }
+	Using * & back () { return v.back (); }
+	Using * & operator [] (size_t i) { return v [i]; }
+	void push_back (const Using & u);
+private:
+	VectorUsing (const VectorUsing &); // Forbidden
+	VectorUsing & operator = (const VectorUsing &); // Forbidden
+	static void delete_it (const Using * u) { delete u; }
+
+	std::vector <Using *>  v;
+};
+
+void parseusing (const std::string & str, VectorUsing & vu);
+
+#endif
+
+// End of using.h