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author | Paul Gilbert | 2016-04-03 16:16:35 -0400 |
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committer | Paul Gilbert | 2016-04-03 16:16:35 -0400 |
commit | 1efbed540948edcbf3ac2c72c0984def044274cf (patch) | |
tree | 63b4543753951b55c756a9b81cd5df5ab2718943 /engines/titanic/support/simple_file.h | |
parent | 432153274385295a9a4eb01e56bfcc72cc5f202e (diff) | |
download | scummvm-rg350-1efbed540948edcbf3ac2c72c0984def044274cf.tar.gz scummvm-rg350-1efbed540948edcbf3ac2c72c0984def044274cf.tar.bz2 scummvm-rg350-1efbed540948edcbf3ac2c72c0984def044274cf.zip |
TITANIC: Move most of the root classes into new support/ folder
Diffstat (limited to 'engines/titanic/support/simple_file.h')
-rw-r--r-- | engines/titanic/support/simple_file.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/engines/titanic/support/simple_file.h b/engines/titanic/support/simple_file.h new file mode 100644 index 0000000000..0ba7699088 --- /dev/null +++ b/engines/titanic/support/simple_file.h @@ -0,0 +1,236 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef TITANIC_SIMPLE_FILE_H +#define TITANIC_SIMPLE_FILE_H + +#include "common/file.h" +#include "titanic/support/rect.h" +#include "common/savefile.h" +#include "common/stream.h" +#include "common/zlib.h" +#include "titanic/support/string.h" + +namespace Titanic { + +class Decompressor; +class DecompressorData; + +/** + * Simple ScummVM File descendent that throws a wobbly if + * the file it tries to open isn't present + */ +class File : public Common::File { +public: + virtual bool open(const Common::String &name); +}; + +/** + * This class implements basic reading and writing to files + */ +class SimpleFile { +protected: + Common::SeekableReadStream *_inStream; + Common::OutSaveFile *_outStream; + int _lineCount; +public: + SimpleFile(); + virtual ~SimpleFile(); + + /** + * Set up a stream for read access + */ + virtual void open(Common::SeekableReadStream *stream); + + /** + * Set up a stream for write access + */ + virtual void open(Common::OutSaveFile *stream); + + /** + * Close the file + */ + virtual void close(); + + /** + * Read from the file with validation + */ + virtual void safeRead(void *dst, size_t count); + + /** + * Read from the file + */ + virtual size_t unsafeRead(void *dst, size_t count); + + /** + * Write out data + */ + virtual size_t write(const void *src, size_t count); + + /** + * Read a string from the file + */ + CString readString(); + + /** + * Read a number from the file + */ + int readNumber(); + + /** + * Read a floating point number from the file + */ + double readFloat(); + + /** + * Read in a point + */ + Point readPoint(); + + /** + * Read in a rect + */ + Rect readRect(); + + /** + * Read a string and copy it into an optionally passed buffer + */ + void readBuffer(char *buffer = nullptr, size_t count = 0); + + /** + * Write a string line + */ + void writeLine(const CString &str); + + /** + * Write a string + */ + void writeString(const CString &str); + + /** + * Write a quoted string + */ + void writeQuotedString(const CString &str); + + /** + * Write a quoted string line + */ + void writeQuotedLine(const CString &str, int indent); + + /** + * Write a number to file + */ + void writeNumber(int val); + + /** + * Write a number line to file + */ + void writeNumberLine(int val, int indent); + + /** + * Write a floating point number + */ + void writeFloat(double val); + + /** + * Write a floating point number as a line + */ + void writeFloatLine(double val, int indent); + + /** + * Write out a point line + */ + void writePoint(const Point &pt, int indent); + + /** + * Write out a rect line + */ + void writeRect(const Rect &r, int indent); + + /** + * Write out a number of tabs to form an indent in the output + */ + void writeIndent(uint indent); + + /** + * Validates that the following non-space character is either + * an opening or closing squiggly bracket denoting a class + * definition start or end. Returns true if it's a class start + */ + bool IsClassStart(); + + /** + * Write the starting header for a class definition + */ + void writeClassStart(const CString &classStr, int indent); + + /** + * Write out the ending footer for a class definition + */ + void writeClassEnd(int indent); +}; + +/** + * Derived file that handles compressed files + */ +class CompressedFile : public SimpleFile { +public: + CompressedFile() : SimpleFile() {} + virtual ~CompressedFile() {} + + /** + * Set up a stream for read access + */ + virtual void open(Common::SeekableReadStream *stream) { + SimpleFile::open(Common::wrapCompressedReadStream(stream)); + } + + /** + * Set up a stream for write access + */ + virtual void open(Common::OutSaveFile *stream) { + SimpleFile::open(Common::wrapCompressedWriteStream(stream)); + } +}; + +/** + * Derived file that handles WAD archives containing multiple files + */ +class StdCWadFile : public SimpleFile { +public: + StdCWadFile() : SimpleFile() {} + virtual ~StdCWadFile() {} + + /** + * Open up the specified file + */ + void open(const CString &name); + + /** + * Return a reference to the read stream + */ + Common::SeekableReadStream *readStream() const { return _inStream; } +}; + +} // End of namespace Titanic + +#endif /* TITANIC_SIMPLE_FILE_H */ |