pengjunjie/core
1
0
Fork 1
mirror of https://github.com/ONLYOFFICE/core.git synced 2026-07-11 14:00:32 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fixed: stream seek, GetDataBySID(), shared_from_this(), empty dirRepository and replaced children-> to getter

Browse Source
This commit is contained in:
Ivan Morozov
2022-09-02 16:46:15 +03:00
parent e489ec84de aee00012ab
commit bdb90074b0
19 changed files with 324 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
Common/cfcpp/stream.cpp
View File

@ -16,7 +16,7 @@ std::streamsize CFCPP::Length(const CFCPP::Stream& st)
return ssize;
}
CFCPP::Stream CFCPP::OpenFileStream(std::wstring filename, bool bRewrite)
CFCPP::Stream CFCPP::OpenFileStream(std::wstring filename, bool bRewrite, bool trunc)
{
BYTE* pUtf8 = nullptr;
std::streamsize lLen = 0;
@ -24,18 +24,23 @@ CFCPP::Stream CFCPP::OpenFileStream(std::wstring filename, bool bRewrite)
std::string utf8filename(pUtf8, pUtf8 + lLen);
delete [] pUtf8;
return OpenFileStream(utf8filename, bRewrite);
return OpenFileStream(utf8filename, bRewrite, trunc);
}
CFCPP::Stream CFCPP::OpenFileStream(std::string filename, bool bRewrite)
CFCPP::Stream CFCPP::OpenFileStream(std::string filename, bool bRewrite, bool trunc)
{
filename = CorrectUnixPath(filename);
CFCPP::Stream st;
// it's not good, but otherwise file doesn't create or if use ios::app, then the seek for writing will be blocked
if (bRewrite)
st.reset(new FStreamWrapper(filename, std::ios::app | std::ios::out | std::ios::binary | std::ios::in));
std::fstream create(filename, std::ios::app | std::ios::out);
if (trunc && bRewrite)
st.reset(new FStreamWrapper(filename, std::ios::binary | std::ios::in | std::ios::out | std::ios::trunc));
else if (bRewrite)
st.reset(new FStreamWrapper(filename, std::ios::binary | std::ios::in | std::ios::out));
else
st.reset(new FStreamWrapper(filename, std::ios::in | std::ios::binary));
st.reset(new FStreamWrapper(filename, std::ios::binary | std::ios::in));
return st;
}
@ -59,3 +64,43 @@ std::string CFCPP::CorrectUnixPath(const std::string original)
#endif
}
int CFCPP::FileLenght(std::wstring filename)
{
auto stream = OpenFileStream(filename);
auto lenght = Length(stream);
stream->close();
return lenght;
}
ULONG64 CFCPP::FileSimpleHash(std::wstring filename, int len, int offset)
{
auto stream = OpenFileStream(filename);
if (!IsOpen(stream))
return 0;
if (len < 0)
len = Length(stream);
stream->seek(offset);
ULONG64 h = 2166136261;
constexpr int bufLen = 0x2000;
char buffer[bufLen];
while (len > 0)
{
memset(buffer, 0, bufLen);
int readLen = std::min(bufLen, len);
stream->read(buffer, readLen);
int i;
for (i = 0; i < readLen; i++)
h = (h * 16777619) ^ buffer[i];
len -= readLen;
}
return h;
}