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Code Issues Releases Activity

some modernization of CFileInputStream implementation code

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This commit is contained in:
Zyx-2000
2016-01-12 23:40:24 +01:00
parent f9b255c896
commit 933b7c1f5e
4 changed files with 14 additions and 41 deletions
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1
launcher/modManager/cmodlistview_moc.h
View File

@@ -1,6 +1,5 @@
#pragma once
#include "StdInc.h"
#include "../../lib/CConfigHandler.h"
namespace Ui {

28
lib/filesystem/CFileInputStream.cpp
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@@ -4,39 +4,25 @@
#include "CFileInfo.h"
CFileInputStream::CFileInputStream(const boost::filesystem::path & file, si64 start, si64 size)
: dataStart{start},
dataSize{size},
fileStream{file, std::ios::in | std::ios::binary}
{
open(file, start, size);
}
CFileInputStream::CFileInputStream(const CFileInfo & file, si64 start, si64 size)
{
open(file.getName(), start, size);
}
CFileInputStream::~CFileInputStream()
{
fileStream.close();
}
void CFileInputStream::open(const boost::filesystem::path & file, si64 start, si64 size)
{
fileStream.open(file, std::ios::in | std::ios::binary);
if (fileStream.fail())
throw std::runtime_error("File " + file.string() + " isn't available.");
dataStart = start;
dataSize = size;
if (dataSize == 0)
{
fileStream.seekg(0, std::ios::end);
dataSize = tell();
}
fileStream.seekg(start, std::ios::beg);
fileStream.seekg(dataStart, std::ios::beg);
}
CFileInputStream::CFileInputStream(const CFileInfo & file, si64 start, si64 size)
: CFileInputStream{file.getName(), start, size} {}
si64 CFileInputStream::read(ui8 * data, si64 size)
{
si64 origin = tell();

24
lib/filesystem/CFileInputStream.h
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@@ -24,22 +24,21 @@ public:
/**
* C-tor. Opens the specified file.
*
* @see CFileInputStream::open
* @param file Path to the file.
* @param start - offset from file start where real data starts (e.g file on archive)
* @param size - size of real data in file (e.g file on archive) or 0 to use whole file
*
* @throws std::runtime_error if file wasn't found
*/
CFileInputStream(const boost::filesystem::path & file, si64 start = 0, si64 size = 0);
/**
* C-tor. Opens the specified file.
*
* @see CFileInputStream::open
* @see CFileInputStream::CFileInputStream(const boost::filesystem::path &, si64, si64)
*/
CFileInputStream(const CFileInfo & file, si64 start=0, si64 size=0);
/**
* D-tor. Calls the close method implicitely, if the file is still opened.
*/
~CFileInputStream();
/**
* Reads n bytes from the stream into the data buffer.
*
@@ -80,17 +79,6 @@ public:
si64 getSize() override;
private:
/**
* Opens a file. If a file is currently opened, it will be closed.
*
* @param file Path to the file.
* @param start - offset from file start where real data starts (e.g file on archive)
* @param size - size of real data in file (e.g file on archive) or 0 to use whole file
*
* @throws std::runtime_error if file wasn't found
*/
void open(const boost::filesystem::path & file, si64 start, si64 size);
si64 dataStart;
si64 dataSize;

2
lib/filesystem/FileStream.cpp
View File

@@ -53,7 +53,7 @@ zlib_filefunc64_def* FileStream::GetMinizipFilefunc()
return &MinizipFilefunc;
}
template class DLL_LINKAGE boost::iostreams::stream<FileBuf>;
template class boost::iostreams::stream<FileBuf>;
/*static*/
bool FileStream::CreateFile(const boost::filesystem::path& filename)