source: cpp/common/nonstd_stdio.cpp @ 202

// This file is a part of the Framsticks GDK.
// Copyright (C) 1999-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#include "nonstd_stdio.h"
#include "nonstd.h"

#if defined _WIN32 && !defined SHP
 //<unistd.h> not needed for unlink()
 #include "Shlwapi.h" //PathIsRelative()
 #include "Util.h" //strTOwstr()
#else
 #include <unistd.h>
#endif

bool fileExists(const char* path)
{
//lepiej gdyby uzywalo stat bo mfopen mogloby cos niepotrzebnie wczytywac przy otwarciu pliku ale mfopen wiadomo ze zadziala wszedzie tak samo
MFILE *f=mfopen(path,FOPEN_READ_BINARY);
if (f==NULL) return false;
mfclose(f);
return true;
}

bool removeFile(const char* path)
{
  return _unlink(path)==0; //VS: "The POSIX name is deprecated. Instead, use the ISO C++ conformant name: _unlink"
}

bool isAbsolutePath(const char* fname)
{
        if (fname == NULL) return false; //SplitFileSystem never passes NULL but this function is public so we never know
#if defined _WIN32 && !defined SHP
        return PathIsRelative(Util::strTOwstr(fname).c_str()) == FALSE; //http://msdn.microsoft.com/en-us/library/bb773660%28v=vs.85%29.aspx
#else
        return fname[0] == PATH_SEPARATOR_CHAR;
#endif
}

#if defined SHP && defined BADA_API_1

MFILE *mfopen(const char *path, const char *mode)
{
        Osp::Io::File *f = new Osp::Io::File();
        result r = f->Construct(path, mode);
        if (IsFailed(r))
        {
                delete f;
                f = NULL;
        }
        return f;
}

void mfclose(MFILE *f)
{
        delete f;
}

int mfread(void *ptr, int size, int count, MFILE *f)
{
        int bytes = size * count;
        int przeczytane = f->Read(ptr, bytes);
        return przeczytane != bytes ? przeczytane / size : count;
}

int mfwrite(const void *ptr, int size, int count, MFILE *f)
{
        result r = f->Write(ptr, size * count);
        if (IsFailed(r))
                return 0; //nie mozemy wykryc jesli udalo sie zapisac czêœæ
        else
                return count;
}

int mfputs(const char *txt, MFILE *f)
{
        int len = strlen(txt);
        int res = mfwrite(txt, len, 1, f);
        return res == 1 ? 1 : EOF;
}

char* mfgets(char *str, int num, MFILE *f)
{
        bool err = false;
        int przeczytane = 0;
        num--; //zeby zawsze zostalo miejsce na wpisanie koncz¹cego NULL
        do
        {
                err = f->Read(str, 1) != 1;
                if (!err)
                {
                        str++;
                        przeczytane++;
                }
        } while (!err && przeczytane<num && *str != '\n');
        if (*str == '\n' && przeczytane<num)
                *(str + 1) = 0;
        return przeczytane == 0 ? NULL : str;
}

int mfeof(MFILE *f)
{
        //brzydkie obejscie zeby w bada wykryc czy FILE jest w stanie EOF
        static char buf[1];
        int pos = f->Tell();
        int przeczytane = f->Read(&buf, 1);
        f->Seek(Osp::Io::FILESEEKPOSITION_BEGIN,pos);
        return przeczytane == 1 ? 0 : 1;
}

int mfseek(MFILE *f, long position, int type)
{
        result r;
        if (type == SEEK_SET)
                r = f->Seek(Osp::Io::FILESEEKPOSITION_BEGIN, position);
        else if (type == SEEK_CUR)
                r = f->Seek(Osp::Io::FILESEEKPOSITION_CURRENT, position);
        else if (type == SEEK_END)
                r = f->Seek(Osp::Io::FILESEEKPOSITION_END, position);
        else
                return 1;
        return IsFailed(r) ? 1 : 0;
}

long mftell(MFILE *f)
{
        return f->Tell();
}

#endif





#ifdef __ANDROID__
//#include "framsg.h"
#include "nonstd.h"
MFILE *mfopen(const char *path, const char *mode)
{
        NvFile *rfile=NULL; //umie tylko czytac
        FILE *rwfile=NULL;
        if (strstr(path,GET_APP_RESOURCES)==path) //otwieramy resource! wiec uzywamy czytania z assets
        {
                if (path[0]=='.' && path[1]=='/') path+=2; //nie rozpoznaje sciezek "./costam", a w sailorze zrobiles tak ze nie moze byc pusty path bo to jest znacznik ze jest niezainicjowany, dlatego uzywasz "./" i musimy je tu obcinac
                rfile=NvFOpen(path); //"mode" not supported! umie tylko czytac
                if (rfile==NULL) return NULL;
        } else //"normalny" dostep (do HOME)
        {
                rwfile=fopen(path,mode);
                if (rwfile==NULL) return NULL;
        }
        MFILE *mfile=new MFILE;
        mfile->rfile=rfile;
        mfile->rwfile=rwfile;
        return mfile;
}

void mfclose(MFILE *f)
{
        if (f->rfile)
                NvFClose(f->rfile);
        else
                fclose(f->rwfile);

        delete f;
}

int mfread(void *ptr, int size, int count, MFILE *f)
{
        if (f->rfile)
                return size==0?0:NvFRead(ptr, size, count, f->rfile)/size; //blad nvidii w interpretacji zwracanej wartosci - zwraca liczbe bajtow zamiast liczbe porcji
        else
                return fread(ptr, size, count, f->rwfile);
}

int mfwrite(const void *ptr, int size, int count, MFILE *f)
{
        if (f->rfile)
                return 0; //write not supported funkcjami nvidii
        else
                return fwrite(ptr, size, count, f->rwfile);
}

int mfputs(const char *txt, MFILE *f)
{
        int len = strlen(txt);
        int res = mfwrite(txt, len, 1, f);
        return res == 1 ? 1 : EOF;
}

char* mfgets(char *str, int num, MFILE *f)
{
        if (f->rfile)
                return NvFGets(str, num, f->rfile);
        else
                return fgets(str,num,f->rwfile);
}

int mfeof(MFILE *f)
{
        if (f->rfile)
                return NvFEOF(f->rfile);
        else
                return feof(f->rwfile);
}

int mfseek(MFILE *f, long position, int type)
{
        if (f->rfile)
                return NvFSeek(f->rfile, position, type)==-1; // off_t AAsset_seek(AAsset* asset, off_t offset, int whence): Returns the new position on success, or (off_t) -1 on error.
        else
                return fseek(f->rwfile, position, type);
}

long mftell(MFILE *f)
{
        if (f->rfile)
                return NvFTell(f->rfile);
        else
                return ftell(f->rwfile);
}
#endif