Ticket #3773: entry_ref.cpp

#include <stdio.h>

#include <kernel/image.h>
#include <Directory.h>
#include <Entry.h>
#include <File.h>
#include <Path.h>
#include <TypeConstants.h>

int
main() 
{
    image_info imageInfo;
    int32 cookie = 0;
    if (get_next_image_info(0, &cookie, &imageInfo) != B_OK) {
        fprintf(stderr, "unable to get next image\n");
        exit(5);
    }

    entry_ref normalizedRef;
    get_ref_for_path(imageInfo.name, &normalizedRef);

    entry_ref eref;
    eref.device = imageInfo.device;
    eref.directory = imageInfo.node;
    eref.set_name(imageInfo.name);
    
    BPath path(imageInfo.name);
    path.GetParent(&path);
    BDirectory dir(path.Path());

    BEntry entry;
    entry.SetTo(&normalizedRef);
    printf("accessing entry via entry-ref with relative path %s\n",
        entry.Exists() ? "works" : "doesn't work");

    entry.SetTo(&eref);
    printf("accessing entry via entry-ref with absolute path %s\n",
        entry.Exists() ? "works" : "doesn't work");

    entry.SetTo(&dir, normalizedRef.name);
    printf("accessing entry via directory with relative path %s\n",
        entry.Exists() ? "works" : "doesn't work");
    
    entry.SetTo(&dir, imageInfo.name);
    printf("accessing entry via directory with absolute path %s\n",
        entry.Exists() ? "works" : "doesn't work");

    BFile file;
    file.SetTo(&normalizedRef, B_READ_ONLY);
    printf("accessing file via entry-ref with relative path %s\n",
        file.InitCheck() == B_OK ? "works" : "doesn't work");
    
    file.SetTo(&eref, B_READ_ONLY);
    printf("accessing file via entry-ref with absolute path %s\n",
        file.InitCheck() == B_OK ? "works" : "doesn't work");

    file.SetTo(&dir, normalizedRef.name, B_READ_ONLY);
    printf("accessing file via directory with relative path %s\n",
        file.InitCheck() == B_OK ? "works" : "doesn't work");
    
    file.SetTo(&dir, imageInfo.name, B_READ_ONLY);
    printf("accessing file via directory with absolute path %s\n",
        file.InitCheck() == B_OK ? "works" : "doesn't work");

    return 0;
}