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+/*
+ * Copyright (c) 2002-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CPRINTF_HH__
+#define __CPRINTF_HH__
+
+#include <iostream>
+#include <list>
+#include <string>
+
+#include "base/cprintf_formats.hh"
+
+namespace cp {
+
+class ArgList
+{
+ private:
+ class Base
+ {
+ public:
+ virtual ~Base() {}
+ virtual void process(std::ostream &out, Format &fmt) = 0;
+ };
+
+ template <typename T>
+ class Node : public Base
+ {
+ public:
+ const T &data;
+
+ public:
+ Node(const T &d) : data(d) {}
+ virtual void process(std::ostream &out, Format &fmt) {
+ switch (fmt.format) {
+ case Format::character:
+ format_char(out, data, fmt);
+ break;
+
+ case Format::integer:
+ format_integer(out, data, fmt);
+ break;
+
+ case Format::floating:
+ format_float(out, data, fmt);
+ break;
+
+ case Format::string:
+ format_string(out, data, fmt);
+ break;
+
+ default:
+ out << "<bad format>";
+ break;
+ }
+ }
+ };
+
+ typedef std::list<Base *> list_t;
+
+ protected:
+ list_t objects;
+ std::ostream *stream;
+
+ public:
+ ArgList() : stream(&std::cout) {}
+ ~ArgList();
+
+ template<class T>
+ void append(const T &data) {
+ Base *obj = new ArgList::Node<T>(data);
+ objects.push_back(obj);
+ }
+
+ template<class T>
+ void prepend(const T &data) {
+ Base *obj = new ArgList::Node<T>(data);
+ objects.push_front(obj);
+ }
+
+ void dump(const std::string &format);
+ void dump(std::ostream &strm, const std::string &fmt)
+ { stream = &strm; dump(fmt); }
+
+ std::string dumpToString(const std::string &format);
+
+ friend ArgList &operator<<(std::ostream &str, ArgList &list);
+};
+
+template<class T>
+inline ArgList &
+operator,(ArgList &alist, const T &data)
+{
+ alist.append(data);
+ return alist;
+}
+
+class ArgListNull {
+};
+
+inline ArgList &
+operator,(ArgList &alist, ArgListNull)
+{ return alist; }
+
+//
+// cprintf(format, args, ...) prints to cout
+// (analogous to printf())
+//
+inline void
+__cprintf(const std::string &format, ArgList &args)
+{ args.dump(format); delete &args; }
+#define __cprintf__(format, args...) \
+ cp::__cprintf(format, (*(new cp::ArgList), args))
+#define cprintf(args...) \
+ __cprintf__(args, cp::ArgListNull())
+
+//
+// ccprintf(stream, format, args, ...) prints to the specified stream
+// (analogous to fprintf())
+//
+inline void
+__ccprintf(std::ostream &stream, const std::string &format, ArgList &args)
+{ args.dump(stream, format); delete &args; }
+#define __ccprintf__(stream, format, args...) \
+ cp::__ccprintf(stream, format, (*(new cp::ArgList), args))
+#define ccprintf(stream, args...) \
+ __ccprintf__(stream, args, cp::ArgListNull())
+
+//
+// csprintf(format, args, ...) returns a string
+// (roughly analogous to sprintf())
+//
+inline std::string
+__csprintf(const std::string &format, ArgList &args)
+{ std::string s = args.dumpToString(format); delete &args; return s; }
+#define __csprintf__(format, args...) \
+ cp::__csprintf(format, (*(new cp::ArgList), args))
+#define csprintf(args...) \
+ __csprintf__(args, cp::ArgListNull())
+
+template<class T>
+inline ArgList &
+operator<<(ArgList &list, const T &data)
+{
+ list.append(data);
+ return list;
+}
+
+inline ArgList &
+operator<<(std::ostream &str, ArgList &list)
+{
+ list.stream = &str;
+ return list;
+}
+
+class ArgListTemp
+{
+ private:
+ std::string format;
+ ArgList *args;
+
+ public:
+ ArgListTemp(const std::string &f) : format(f) { args = new ArgList; }
+ ~ArgListTemp() { args->dump(format); delete args; }
+
+ operator ArgList *() { return args; }
+};
+
+#define cformat(format) \
+ (*((cp::ArgList *)cp::ArgListTemp(format)))
+}
+
+#endif // __CPRINTF_HH__