|| || || || || ||

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FileNameTmp.h

Go to the documentation of this file.

#ifndef Impala_Basis_FileNameTmp_h
#define Impala_Basis_FileNameTmp_h

#include "Basis/String.h"
#include "Basis/CmdOptions.h"

namespace Impala
{

inline String
GetTmpPath()
{
    ILOG_VAR(Impala.Basis.FileNameTmp);
    static String tempFolder("*");
    if (tempFolder == "*")
    {
        CmdOptions& options = CmdOptions::GetInstance();
        tempFolder = options.GetString("tmpPath");
        if (!tempFolder.empty())
        {
            if ((tempFolder[tempFolder.size()-1] == '/') ||
                (tempFolder[tempFolder.size()-1] == '\\'))
            {
                tempFolder = tempFolder.substr(0, tempFolder.size() - 1);
            }
            // if you are on Windows, then the path should just exist already
            // on *nix, we try to make the path for the user
#ifdef unix
            String cmd = "mkdir -p " + tempFolder;
            int sysRes = system(cmd.c_str());
            if (sysRes != 0)
            {
                ILOG_INFO("Can't create tempFolder " << tempFolder <<
                          ", using .");
                tempFolder = ".";
            }
#else
            if ((_mkdir(StringReplaceAll(tempFolder, "/", "\\").c_str()) != 0) && 
                (errno != EEXIST))
            {
                ILOG_INFO("Can't create tempFolder " << tempFolder <<
                          ", using .");
                tempFolder = ".";
            }
#endif
        }
    }
    return tempFolder;
}

inline String
PathJoin(String path1, String path2)
{
    String a = StringReplace(path1, "\\", "/");
    String b = StringReplace(path2, "\\", "/");
    if(b[0] == '/')
    {
        return b;
    }
    if(a.empty())
    {
        return b;
    }
    if(a[a.size()-1] == '/')
    {
        return a + b;
    }
    else
    {
        return a + "/" + b;
    }
}

inline String
PathJoin(String path1, String path2, String path3)
{
    return PathJoin(path1, PathJoin(path2, path3));
}

inline String
PathJoin(String path1, String path2, String path3, String path4)
{
    return PathJoin(path1, PathJoin(path2, path3, path4));
}

inline String
PathJoin(String path1, String path2, String path3, String path4, String path5)
{
    return PathJoin(path1, PathJoin(path2, path3, path4, path5));
}

inline String
FileNameTmp()
{
    static int nr = 0;
    char hName[256];
#ifdef unix
    gethostname(hName, 256);
    pid_t p = getpid();
#else
    DWORD hNameSize = 256;
    GetComputerNameA(hName, &hNameSize);
    int p = getpid();
#endif
    char res[256];
    sprintf(res, "tmpFile_%s_%d_%d", hName, p, nr++);
    return PathJoin(GetTmpPath(), String(res));
}


} // namespace Impala

#endif

---