mirror of
https://github.com/AquariaOSE/Aquaria.git
synced 2024-11-16 14:50:01 +00:00
146 lines
3.3 KiB
C++
146 lines
3.3 KiB
C++
// VFSLoader.cpp - late loading of files not in the tree
|
|
// For conditions of distribution and use, see copyright notice in VFS.h
|
|
|
|
#include "VFSInternal.h"
|
|
#include "VFSTools.h"
|
|
#include "VFSFile.h"
|
|
#include "VFSDir.h"
|
|
#include "VFSLoader.h"
|
|
|
|
//#include <stdio.h>
|
|
|
|
|
|
#if !defined(_WIN32) && defined(VFS_IGNORE_CASE)
|
|
|
|
#include <dirent.h>
|
|
|
|
// based on code in PhysicsFS: http://icculus.org/physfs/
|
|
static bool locateOneElement(char *buf)
|
|
{
|
|
char *ptr;
|
|
DIR *dirp;
|
|
|
|
ptr = strrchr(buf, '/'); // find entry at end of path.
|
|
|
|
//printf("locateOneElem: buf='%s' ptr='%s'\n", ptr, buf);
|
|
|
|
if (ptr == NULL)
|
|
{
|
|
dirp = opendir(".");
|
|
ptr = buf;
|
|
}
|
|
else
|
|
{
|
|
if(ptr != buf) // strip only if not abs path
|
|
*ptr = '\0';
|
|
//printf("opendir: '%s'\n", buf);
|
|
dirp = opendir(buf);
|
|
*ptr = '/';
|
|
ptr++; // point past dirsep to entry itself.
|
|
}
|
|
|
|
//printf("dirp = %p\n", dirp);
|
|
|
|
struct dirent *dent;
|
|
while ((dent = readdir(dirp)) != NULL)
|
|
{
|
|
if (strcasecmp(dent->d_name, ptr) == 0)
|
|
{
|
|
strcpy(ptr, dent->d_name); // found a match. Overwrite with this case.
|
|
closedir(dirp);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// no match at all...
|
|
closedir(dirp);
|
|
return false;
|
|
}
|
|
|
|
static bool findFileHarder(char *fn)
|
|
{
|
|
char *ptr = fn;
|
|
bool found = true;
|
|
while ((ptr = strchr(ptr + 1, '/')) != 0)
|
|
{
|
|
*ptr = '\0';
|
|
found = locateOneElement(fn);
|
|
*ptr = '/'; // restore path separator
|
|
if (!found)
|
|
return false;
|
|
}
|
|
|
|
// check final element...
|
|
found = found && locateOneElement(fn);
|
|
|
|
//printf("tt: Fixed case '%s' [%s]\n", fn, found ? "found" : "NOT FOUND"); // TEMP
|
|
return found;
|
|
}
|
|
#endif
|
|
|
|
|
|
VFS_NAMESPACE_START
|
|
|
|
VFSLoader::VFSLoader()
|
|
: root(NULL)
|
|
{
|
|
}
|
|
|
|
DiskLoader::DiskLoader()
|
|
{
|
|
root = new DiskDir("", this);
|
|
}
|
|
|
|
File *DiskLoader::Load(const char *fn, const char * /*ignored*/)
|
|
{
|
|
if(FileExists(fn))
|
|
return new DiskFile(fn); // must contain full file name
|
|
|
|
DiskFile *vf = NULL;
|
|
|
|
#if !defined(_WIN32) && defined(VFS_IGNORE_CASE)
|
|
size_t s = strlen(fn);
|
|
char *t = (char*)VFS_STACK_ALLOC(s+1);
|
|
memcpy(t, fn, s+1); // copy terminating '\0' as well
|
|
if(findFileHarder(&t[0])) // fixes the filename on the way
|
|
vf = new DiskFile(&t[0]);
|
|
VFS_STACK_FREE(t);
|
|
#endif
|
|
|
|
return vf;
|
|
}
|
|
|
|
Dir *DiskLoader::LoadDir(const char *fn, const char * /*ignored*/)
|
|
{
|
|
//printf("DiskLoader: Trying [%s]...\n", fn);
|
|
|
|
if(!IsDirectory(fn))
|
|
return NULL;
|
|
|
|
DiskDir *ret = NULL;
|
|
|
|
#if !defined(_WIN32) && defined(VFS_IGNORE_CASE)
|
|
size_t s = strlen(fn);
|
|
char *t = (char*)VFS_STACK_ALLOC(s+1);
|
|
memcpy(t, fn, s+1); // copy terminating '\0' as well
|
|
if(findFileHarder(&t[0])) // fixes the filename on the way
|
|
fn = &t[0];
|
|
#endif
|
|
|
|
assert(getRoot()->_getDirEx(fn, fn, false, false, false).first == NULL); // makes no sense to fire up the loader if it's already in the tree
|
|
|
|
ret = safecastNonNull<DiskDir*>(getRoot()->_createAndInsertSubtree(fn));
|
|
|
|
#if !defined(_WIN32) && defined(VFS_IGNORE_CASE)
|
|
VFS_STACK_FREE(t);
|
|
#endif
|
|
|
|
/*if(ret)
|
|
printf("DiskLoader: [%s] OK as [%s]\n", fn, ret->fullname());
|
|
else
|
|
printf("DiskLoader: [%s] FAILED\n", fn);*/
|
|
|
|
return ret;
|
|
}
|
|
|
|
VFS_NAMESPACE_END
|