first commit

extern/ustl/1.5/uiosfunc.h

@@ -0,0 +1,96 @@
+// This file is part of the uSTL library, an STL implementation.
+//
+// Copyright (c) 2005 by Mike Sharov <msharov@users.sourceforge.net>
+// This file is free software, distributed under the MIT License.
+
+#ifndef UIOSFUNC_H_730C16E316F7650E3A02E1C6611B789A
+#define UIOSFUNC_H_730C16E316F7650E3A02E1C6611B789A
+
+#include "sostream.h"
+
+namespace ustl {
+
+class ios : public ios_base {
+public:
+    /// \class align uiosfunc.h ustl.h
+    /// \ingroup StreamFunctors
+    /// \brief Stream functor to allow inline align() calls.
+    ///
+    /// Example: os << ios::align(sizeof(uint16_t));
+    ///
+    class align {
+    public:
+	inline explicit		align (size_t grain = c_DefaultAlignment) : m_Grain(grain) {}
+	inline istream&		apply (istream& is) const { is.align (m_Grain); return (is); }
+	inline ostream&		apply (ostream& os) const { os.align (m_Grain); return (os); }
+	inline void		read (istream& is) const  { apply (is); }
+	inline void		write (ostream& os) const { apply (os); }
+	inline size_t		stream_size (void) const  { return (m_Grain - 1); }
+    private:
+	const size_t		m_Grain;
+    };
+
+    /// \class talign uiosfunc.h ustl.h
+    /// \ingroup StreamFunctors
+    /// \brief Stream functor to allow type-based alignment.
+    template <typename T>
+    class talign : public align {
+    public:
+	inline explicit		talign (void) : align (alignof (NullValue<T>())) {}
+    };
+
+    /// \class skip uiosfunc.h ustl.h
+    /// \ingroup StreamFunctors
+    /// \brief Stream functor to allow inline skip() calls.
+    ///
+    /// Example: os << ios::skip(sizeof(uint16_t));
+    ///
+    class skip {
+    public:
+	inline explicit 	skip (size_t nBytes) : m_nBytes(nBytes) {}
+	inline istream&		apply (istream& is) const { is.skip (m_nBytes); return (is); }
+	inline ostream&		apply (ostream& os) const { os.skip (m_nBytes); return (os); }
+	inline void		read (istream& is) const  { apply (is); }
+	inline void		write (ostream& os) const { apply (os); }
+	inline size_t		stream_size (void) const  { return (m_nBytes); }
+    private:
+	const size_t		m_nBytes;
+    };
+
+    /// \class width uiosfunc.h ustl.h
+    /// \ingroup StreamFunctors
+    /// \brief Stream functor to allow inline set_width() calls.
+    ///
+    /// Example: os << ios::width(15);
+    ///
+    class width {
+    public:
+	inline explicit		width (size_t nBytes) : m_nBytes(nBytes) {}
+	inline ostringstream&	apply (ostringstream& os) const { os.set_width (m_nBytes); return (os); }
+	inline void		text_write (ostringstream& os) const { apply (os); }
+    private:
+	const size_t		m_nBytes;
+    };
+
+    /// \class base uiosfunc.h ustl.h
+    /// \ingroup StreamFunctors
+    /// \brief Stream functor to allow inline set_base() calls.
+    ///
+    /// Example: os << ios::base(15);
+    ///
+    class base {
+    public:
+	inline explicit		base (size_t n) : m_Base(n) {}
+	inline ostringstream&	apply (ostringstream& os) const { os.set_base (m_Base); return (os); }
+	inline void		text_write (ostringstream& os) const { apply (os); }
+    private:
+	const size_t		m_Base;
+    };
+};
+
+} // namespace ustl
+
+CAST_STREAMABLE(ustl::ios::fmtflags, uint32_t)
+NUMERIC_LIMITS(ustl::ios::fmtflags, ustl::ios::boolalpha, ustl::ios::floatfield, false, true, true)
+
+#endif