Check In tool source code based on Build tool project revision r1655.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8964 6f19259b-4bc3-4df7-8a09-765794883524

BaseTools/Source/C/VfrCompile/Pccts/h/DLG_stream_input.h

@@ -0,0 +1,98 @@
+
+/************************************************************/
+/*															*/
+/*		Predefined char stream: Input from (c++) stream.	*/
+/*															*/
+/* By Hubert Holin (Hubert.Holin@Bigfoot.com), 1998.		*/
+/*															*/
+/* This is completely free stuff, do whatever you want with	*/
+/* it (but then, I will take no responsability for whatever	*/
+/* may happen if you do either... caveat emptor!).			*/
+/*															*/
+/************************************************************/
+
+#ifndef _DLG_STREAM_INPUT_H
+#define _DLG_STREAM_INPUT_H
+
+#include "pccts_istream.h"
+
+PCCTS_NAMESPACE_STD
+
+#ifndef DLGX_H
+#include "DLexerBase.h"
+#endif
+
+
+// NOTES:	The semantics of the copy constructor
+//			and the affectation operator may be unwaranted...
+//			and the stream may not be reset.
+//
+//			It would have been so much nicer for nextChar()
+//			to throw (of for the DLGInputStream to change status)
+//			upon hiting EOF than to return an "int"...
+
+template	<
+				class E,
+				class T = ::std::char_traits<E>
+			>
+class DLG_stream_input : public DLGInputStream
+{
+public:
+	
+						DLG_stream_input(::std::basic_istream<E,T> * p_input_stream)
+	:	input(p_input_stream)
+	{
+		// nothing to do!
+	};
+	
+						DLG_stream_input(const DLG_stream_input & a_recopier)
+	:	input(a_recopier.input)
+	{
+		// nothing to do!
+	};
+	
+	virtual				~DLG_stream_input()
+	{
+		this->purge();	// bloody templarized lookup...
+	};
+	
+	DLG_stream_input	operator = (const DLG_stream_input & a_affecter)
+	{
+		if (this != &a_affecter)
+		{
+			input = a_affecter.input;
+		}
+
+		return(*this);
+	};
+	
+	virtual int			nextChar()
+	{
+		E	extracted_stuff;
+		
+		input->get(extracted_stuff);
+		
+		if	(*input)
+		{
+			return(int(extracted_stuff));
+		}
+		else
+		{
+			return(EOF);
+		}
+	};
+	
+protected:
+	
+	::std::basic_istream<E,T> *	input;
+	
+private:
+	
+	void	purge()
+	{
+		// nothing to do!
+	};
+};
+
+#endif /* _DLG_STREAM_INPUT_H */
+