1 /**************************************************************************
3 * Copyright 2011 Zack Rusin
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
27 #ifndef TRACE_FILE_HPP
28 #define TRACE_FILE_HPP
46 static bool isZLibCompressed(const std::string &filename);
47 static bool isSnappyCompressed(const std::string &filename);
49 File(const std::string &filename = std::string(),
50 File::Mode mode = File::Read);
53 bool isOpened() const;
54 File::Mode mode() const;
56 std::string filename() const;
58 bool open(const std::string &filename, File::Mode mode);
59 bool write(const void *buffer, int length);
60 bool read(void *buffer, int length);
62 void flush(FlushType type = FlushShallow);
66 virtual bool rawOpen(const std::string &filename, File::Mode mode) = 0;
67 virtual bool rawWrite(const void *buffer, int length) = 0;
68 virtual bool rawRead(void *buffer, int length) = 0;
69 virtual int rawGetc() = 0;
70 virtual void rawClose() = 0;
71 virtual void rawFlush(FlushType type) = 0;
74 std::string m_filename;
79 inline bool File::isOpened() const
84 inline File::Mode File::mode() const
89 inline std::string File::filename() const
94 inline bool File::open(const std::string &filename, File::Mode mode)
99 m_isOpened = rawOpen(filename, mode);
105 inline bool File::write(const void *buffer, int length)
107 if (!m_isOpened || m_mode != File::Write) {
110 return rawWrite(buffer, length);
113 inline bool File::read(void *buffer, int length)
115 if (!m_isOpened || m_mode != File::Read) {
118 return rawRead(buffer, length);
121 inline void File::close()
129 inline void File::flush(File::FlushType type)
134 inline int File::getc()
136 if (!m_isOpened || m_mode != File::Read) {
142 class ZLibFile : public File {
144 ZLibFile(const std::string &filename = std::string(),
145 File::Mode mode = File::Read);
149 virtual bool rawOpen(const std::string &filename, File::Mode mode);
150 virtual bool rawWrite(const void *buffer, int length);
151 virtual bool rawRead(void *buffer, int length);
152 virtual int rawGetc();
153 virtual void rawClose();
154 virtual void rawFlush(FlushType type);