X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Ffile.cpp;fp=source%2Ffile.cpp;h=0000000000000000000000000000000000000000;hp=2990d5c1c728a618012b0310f5451d671957e8c7;hb=6e0fd758970bcb5bad5e3f2454b694cc4d7b4b66;hpb=b97d4e9f86e90254ab9edef7ee62a910f6333c78

diff --git a/source/file.cpp b/source/file.cpp
deleted file mode 100644
index 2990d5c..0000000
--- a/source/file.cpp
+++ /dev/null
@@ -1,242 +0,0 @@
-#ifndef WIN32
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#endif
-#include <msp/strings/formatter.h>
-#include "except.h"
-#include "file.h"
-
-using namespace std;
-
-namespace Msp {
-namespace IO {
-
-File::File(const string &fn, Mode m, CreateMode cm)
-{
-	if(!(m&M_RDWR))
-		throw InvalidParameterValue("Invalid read/write mode");
-	if(cm&~(C_CREATE|C_TRUNCATE))
-		throw InvalidParameterValue("Invalid create mode");
-
-	mode = m;
-
-#ifdef WIN32
-	int flags = 0;
-	int create_flags = OPEN_EXISTING;
-
-	if(mode&M_READ)
-		flags |= GENERIC_READ;
-	else if(mode&M_WRITE)
-	{
-		flags |= GENERIC_WRITE;
-
-		switch(static_cast<int>(cm))
-		{
-		case C_NONE:     create_flags = OPEN_EXISTING; break;
-		case C_CREATE:   create_flags = OPEN_ALWAYS; break;
-		case C_TRUNCATE: create_flags = TRUNCATE_EXISTING; break;
-		case C_CREATE+C_TRUNCATE: create_flags = CREATE_ALWAYS; break;
-		}
-	}
-
-	handle = CreateFile(fn.c_str(), flags, 0, 0, create_flags, FILE_ATTRIBUTE_NORMAL, 0);
-	if(handle==INVALID_HANDLE_VALUE)
-	{
-		int err = GetLastError();
-		if(err==ERROR_FILE_NOT_FOUND)
-			throw FileNotFound("Can't find file "+fn, fn);
-		else
-			throw SystemError(format("Can't open file '%s'", fn), GetLastError());
-	}
-#else
-	int flags = 0;
-	switch(mode&M_RDWR)
-	{
-	case M_READ:  flags |= O_RDONLY; break;
-	case M_WRITE: flags |= O_WRONLY; break;
-	case M_RDWR:  flags |= O_RDWR; break;
-	default:;
-	}
-
-	if(mode&M_WRITE)
-	{
-		if(cm&C_CREATE)
-			flags |= O_CREAT;
-		if(cm&C_TRUNCATE)
-			flags |= O_TRUNC;
-	}
-	if(mode&M_APPEND)
-		flags |= O_APPEND;
-	if(mode&M_NONBLOCK)
-		flags |= O_NONBLOCK;
-
-	handle = ::open(fn.c_str(), flags, 0666);
-	if(handle==-1)
-	{
-		int err = errno;
-		if(err==ENOENT)
-			throw FileNotFound("Can't find file "+fn, fn);
-		else
-			throw SystemError(format("Can't open file '%s'", fn), err);
-	}
-#endif
-
-	set_events(P_INPUT);
-}
-
-File::~File()
-{
-	close();
-}
-
-void File::close()
-{
-	if(handle==MSP_IO_INVALID_HANDLE)
-		return;
-
-	set_events(P_NONE);
-
-	signal_flush_required.emit();
-
-#ifdef WIN32
-	CloseHandle(handle);
-#else
-	::close(handle);
-#endif
-
-	handle = MSP_IO_INVALID_HANDLE;
-	signal_closed.emit();
-}
-
-void File::set_block(bool b)
-{
-	check_access(M_NONE);
-
-	mode = (mode&~M_NONBLOCK);
-	if(b)
-		mode = (mode|M_NONBLOCK);
-#ifndef WIN32
-	int flags = fcntl(handle, F_GETFD);
-	fcntl(handle, F_SETFL, (flags&O_NONBLOCK)|(b?0:O_NONBLOCK));
-#endif
-}
-
-unsigned File::do_write(const char *buf, unsigned size)
-{
-	check_access(M_WRITE);
-
-	if(size==0)
-		return 0;
-
-#ifdef WIN32
-	if(mode&M_APPEND)
-		seek(0, S_END);
-	DWORD ret;
-	if(WriteFile(handle, buf, size, &ret, 0)==0)
-		throw SystemError("Writing to file failed", GetLastError());
-#else
-	int ret = ::write(handle, buf, size);
-	if(ret==-1)
-	{
-		if(errno==EAGAIN)
-			return 0;
-		else
-			throw SystemError("Writing to file failed", errno);
-	}
-#endif
-
-	return ret;
-}
-
-unsigned File::do_read(char *buf, unsigned size)
-{
-	check_access(M_READ);
-
-	if(size==0)
-		return 0;
-
-#ifdef WIN32
-	DWORD ret;
-	if(ReadFile(handle, buf, size, &ret, 0)==0)
-		throw SystemError("Reading from file failed", GetLastError());
-#else
-	int ret = ::read(handle, buf, size);
-	if(ret==-1)
-	{
-		if(errno==EAGAIN)
-			return 0;
-		else
-			throw SystemError("Reading from file failed", errno);
-	}
-#endif
-
-	if(ret==0)
-	{
-		eof_flag = true;
-		signal_end_of_file.emit();
-	}
-
-	return ret;
-}
-
-void File::sync()
-{
-#ifndef WIN32
-	signal_flush_required.emit();
-
-	fsync(handle);
-#endif
-}
-
-int File::seek(int off, SeekType st)
-{
-	check_access(M_NONE);
-
-	signal_flush_required.emit();
-
-	int type = sys_seek_type(st);
-#ifdef WIN32
-	DWORD ret = SetFilePointer(handle, off, 0, type);
-	if(ret==INVALID_SET_FILE_POINTER)
-		throw SystemError("Seek failed", GetLastError());
-#else
-	int ret = lseek(handle, off, type);
-	if(ret==-1)
-		throw SystemError("Seek failed", errno);
-#endif
-
-	eof_flag = false;
-
-	return ret;
-}
-
-int File::tell() const
-{
-	check_access(M_NONE);
-
-#ifdef WIN32
-	DWORD ret = SetFilePointer(handle, 0, 0, FILE_CURRENT);
-	if(ret==INVALID_SET_FILE_POINTER)
-		throw SystemError("Tell failed", GetLastError());
-#else
-	int ret = lseek(handle, 0, SEEK_CUR);
-	if(ret==-1)
-		throw SystemError("Tell failed", errno);
-#endif
-
-	return ret;
-}
-
-void File::check_access(Mode m) const
-{
-	if(handle==MSP_IO_INVALID_HANDLE)
-		throw InvalidState("File is not open");
-	if(m==M_READ && !(mode&M_READ))
-		throw InvalidState("File is not readable");
-	if(m==M_WRITE && !(mode&M_WRITE))
-		throw InvalidState("File is not writable");
-}
-
-} // namespace IO
-} // namespace Msp