mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-18 18:21:38 +00:00
96 lines
2.2 KiB
Lua
96 lines
2.2 KiB
Lua
-- Virtual file system facilities for Lunatic
|
|
|
|
local ffi = require("ffi")
|
|
local C = ffi.C
|
|
|
|
local decl = require("lprivate").decl
|
|
|
|
local assert = assert
|
|
local error = error
|
|
local type = type
|
|
|
|
----------
|
|
|
|
decl[[
|
|
int32_t pathsearchmode;
|
|
|
|
typedef struct _CACHE1D_FIND_REC {
|
|
char *name;
|
|
int32_t type, source;
|
|
struct _CACHE1D_FIND_REC *next, *prev, *usera, *userb;
|
|
} CACHE1D_FIND_REC;
|
|
|
|
void klistfree(CACHE1D_FIND_REC *rec);
|
|
CACHE1D_FIND_REC *klistpath(const char *path, const char *mask, int32_t type);
|
|
]]
|
|
|
|
|
|
-- The API table
|
|
local fs = {}
|
|
|
|
local CACHE1D = ffi.new[[
|
|
struct {
|
|
static const int FIND_FILE = 1;
|
|
static const int FIND_DIR = 2;
|
|
static const int FIND_DRIVE = 4;
|
|
static const int FIND_NOCURDIR = 8;
|
|
|
|
static const int OPT_NOSTACK = 0x100;
|
|
|
|
// the lower the number, the higher the priority
|
|
static const int SOURCE_DRIVE = 0;
|
|
static const int SOURCE_CURDIR = 1;
|
|
static const int SOURCE_PATH = 2; // + path stack depth
|
|
static const int SOURCE_ZIP = 0x7ffffffe;
|
|
static const int SOURCE_GRP = 0x7fffffff;
|
|
}
|
|
]]
|
|
|
|
-- files = fs.listpath(path, mask)
|
|
-- TODO: filter by 'source' (path, zip and/or grp)
|
|
-- TODO: directories too, so that one can list them recursively, for example
|
|
function fs.listpath(path, mask)
|
|
if (type(path)~="string") then
|
|
-- TODO: maybe also allow nil
|
|
error("Invalid argument #1: must be a string", 2)
|
|
end
|
|
|
|
if (type(mask) ~= "string") then
|
|
error("Invalid argument #2: must be a string", 2)
|
|
end
|
|
|
|
-- Normalization, for portability's sake
|
|
|
|
if (path:find("\\")) then
|
|
error("Invalid argument #1: must not contain backslashes", 2)
|
|
end
|
|
|
|
if (mask:find("[\\/]")) then
|
|
error("Invalid argument #2: must not contain back or forward slashes", 2)
|
|
end
|
|
|
|
local opsm = C.pathsearchmode
|
|
C.pathsearchmode = 0
|
|
local rootrec = C.klistpath(path, mask, CACHE1D.FIND_FILE + CACHE1D.FIND_NOCURDIR)
|
|
C.pathsearchmode = opsm
|
|
|
|
if (rootrec == nil) then
|
|
-- XXX: may have failed hard or just no matching files
|
|
return {}
|
|
end
|
|
|
|
local files = {}
|
|
|
|
local rec = rootrec
|
|
while (rec ~= nil) do
|
|
assert(rec.name ~= nil)
|
|
files[#files+1] = ffi.string(rec.name)
|
|
rec = rec.next
|
|
end
|
|
|
|
C.klistfree(rootrec)
|
|
|
|
return files
|
|
end
|
|
|
|
return fs
|