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Diffstat (limited to '')
-rw-r--r-- | sca-cpp/trunk/kernel/stream.hpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/sca-cpp/trunk/kernel/stream.hpp b/sca-cpp/trunk/kernel/stream.hpp new file mode 100644 index 0000000000..a3e532c4ce --- /dev/null +++ b/sca-cpp/trunk/kernel/stream.hpp @@ -0,0 +1,148 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +/* $Rev$ $Date$ */ + +#ifndef tuscany_stream_hpp +#define tuscany_stream_hpp + +/** + * Basic stream type and functions. + */ + +#include <stdarg.h> +#include "debug.hpp" +#include "gc.hpp" +#include "string.hpp" + +namespace tuscany { + +/** + * Base output stream. + */ +class ostream { +public: + virtual ostream& vprintf(const char* fmt, ...) = 0; + virtual ostream& flush() = 0; +}; + +/** + * Flush a stream. + */ +ostream& flush(ostream& os) { + return os.flush(); +} + +/** + * Write simple values to a stream. + */ +ostream& operator<<(ostream& os, const char* v) { + return os.vprintf("%s", v); +} + +ostream& operator<<(ostream& os, const unsigned char* v) { + return os.vprintf("%s", v); +} + +ostream& operator<<(ostream& os, const char v) { + return os.vprintf("%c", v); +} + +ostream& operator<<(ostream& os, const int v) { + return os.vprintf("%d", v); +} + +ostream& operator<<(ostream& os, const long int v) { + return os.vprintf("%ld", v); +} + +ostream& operator<<(ostream& os, const double v) { + return os.vprintf("%g", v); +} + +ostream& operator<<(ostream& os, const void* v) { + return os.vprintf("%p", v); +} + +ostream& operator<<(ostream& os, const string& v) { + return os.vprintf("%s", c_str(v)); +} + +class stream_endl { +} endl; + +ostream& operator<<(ostream& os, unused const stream_endl e) { + os.vprintf("%s", "\n"); + return os.flush(); +} + +/* + * Input stream. + */ +class istream { +public: + virtual const int read(void* buf, int size) = 0; + virtual const bool eof() = 0; + virtual const bool fail() = 0; + virtual const int get() = 0; + virtual const int peek() = 0; +}; + +/** + * Read from an input stream. + */ +const int read(istream& is, void * buf, int size) { + return is.read(buf, size); +} + +/** + * Return true if the end of an input stream has been reached. + */ +const bool eof(istream& is) { + return is.eof(); +} + +/** + * Return true if an input stream can't be accessed. + */ +const bool fail(istream& is) { + return is.fail(); +} + +/** + * Read a character from a stream. + */ +const int get(istream& is) { + return is.get(); +} + +/** + * Peek a character from a stream. + */ +const int peek(istream& is) { + return is.peek(); +} + +template<typename T> ostream& operator<<(ostream& out, const gc_ptr<T>& p) { + return out << p.ptr; +} + +} + +#endif /* tuscany_stream_hpp */ |