cleaner API for file-system access
Thanks to physfs and nativefs.lua
nativefs still introduces some inconsistencies with love.filesystem with
relative paths:
* love.fs.read: reads from save dir if it exists, falls back to source dir if not
* nativefs.read: reads from save dir if it exists, falls back to source dir if not ✓
* love.fs.write: always writes to save dir
* nativefs.write: always writes to source dir (since no restrictions)
* love.fs.newFile followed by file:open('r'): reads from save dir if it exists, source dir if not
* nativefs.newFile followed by file:open('r'): always reads from working dir
* love.fs.newFile followed by file:open('w'): always writes to save dir
* nativefs.newFile followed by file:open('w'): always writes to working dir
So avoid using relative paths with App primitives.
This commit is contained in:
parent
7e97a2a1e7
commit
f82c0de502
78
app.lua
78
app.lua
|
|
@ -97,6 +97,9 @@ function App.initialize_for_test()
|
|||
App.screen.init{width=100, height=50}
|
||||
App.screen.contents = {} -- clear screen
|
||||
App.filesystem = {}
|
||||
App.source_dir = ''
|
||||
App.current_dir = ''
|
||||
App.save_dir = ''
|
||||
App.fake_keys_pressed = {}
|
||||
App.fake_mouse_state = {x=-1, y=-1}
|
||||
App.initialize_globals()
|
||||
|
|
@ -257,26 +260,13 @@ end
|
|||
|
||||
function App.open_for_writing(filename)
|
||||
App.filesystem[filename] = ''
|
||||
if Current_app == nil or Current_app == 'run' then
|
||||
return {
|
||||
write = function(self, ...)
|
||||
local args = {...}
|
||||
for i,s in ipairs(args) do
|
||||
App.filesystem[filename] = App.filesystem[filename]..s
|
||||
end
|
||||
end,
|
||||
close = function(self)
|
||||
end,
|
||||
}
|
||||
elseif Current_app == 'source' then
|
||||
return {
|
||||
write = function(self, s)
|
||||
App.filesystem[filename] = App.filesystem[filename]..s
|
||||
end,
|
||||
close = function(self)
|
||||
end,
|
||||
}
|
||||
end
|
||||
return {
|
||||
write = function(self, s)
|
||||
App.filesystem[filename] = App.filesystem[filename]..s
|
||||
end,
|
||||
close = function(self)
|
||||
end,
|
||||
}
|
||||
end
|
||||
|
||||
function App.open_for_reading(filename)
|
||||
|
|
@ -356,6 +346,8 @@ function prepend_debug_info_to_test_failure(test_name, err)
|
|||
table.insert(Test_errors, full_error)
|
||||
end
|
||||
|
||||
nativefs = require 'nativefs'
|
||||
|
||||
-- call this once all tests are run
|
||||
-- can't run any tests after this
|
||||
function App.disable_tests()
|
||||
|
|
@ -391,32 +383,30 @@ function App.disable_tests()
|
|||
App.screen.move = love.window.setPosition
|
||||
App.screen.position = love.window.getPosition
|
||||
App.screen.print = love.graphics.print
|
||||
if Current_app == nil or Current_app == 'run' then
|
||||
App.open_for_reading = function(filename) return io.open(filename, 'r') end
|
||||
App.open_for_writing = function(filename) return io.open(filename, 'w') end
|
||||
elseif Current_app == 'source' then
|
||||
-- HACK: source editor requires a couple of different foundational definitions
|
||||
App.open_for_reading =
|
||||
function(filename)
|
||||
local result = love.filesystem.newFile(filename)
|
||||
local ok, err = result:open('r')
|
||||
if ok then
|
||||
return result
|
||||
else
|
||||
return ok, err
|
||||
end
|
||||
App.open_for_reading =
|
||||
function(filename)
|
||||
local result = nativefs.newFile(filename)
|
||||
local ok, err = result:open('r')
|
||||
if ok then
|
||||
return result
|
||||
else
|
||||
return ok, err
|
||||
end
|
||||
App.open_for_writing =
|
||||
function(filename)
|
||||
local result = love.filesystem.newFile(filename)
|
||||
local ok, err = result:open('w')
|
||||
if ok then
|
||||
return result
|
||||
else
|
||||
return ok, err
|
||||
end
|
||||
end
|
||||
App.open_for_writing =
|
||||
function(filename)
|
||||
local result = nativefs.newFile(filename)
|
||||
local ok, err = result:open('w')
|
||||
if ok then
|
||||
return result
|
||||
else
|
||||
return ok, err
|
||||
end
|
||||
end
|
||||
end
|
||||
App.files = nativefs.getDirectoryItems
|
||||
App.source_dir = love.filesystem.getSource()..'/'
|
||||
App.current_dir = nativefs.getWorkingDirectory()..'/'
|
||||
App.save_dir = love.filesystem.getSaveDirectory()..'/'
|
||||
App.get_time = love.timer.getTime
|
||||
App.get_clipboard = love.system.getClipboardText
|
||||
App.set_clipboard = love.system.setClipboardText
|
||||
|
|
|
|||
|
|
@ -0,0 +1,496 @@
|
|||
--[[
|
||||
Copyright 2020 megagrump@pm.me
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
this software and associated documentation files (the "Software"), to deal in
|
||||
the Software without restriction, including without limitation the rights to
|
||||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
||||
of the Software, and to permit persons to whom the Software is furnished to do
|
||||
so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
]]--
|
||||
|
||||
local ffi, bit = require('ffi'), require('bit')
|
||||
local C = ffi.C
|
||||
|
||||
local File = {
|
||||
getBuffer = function(self) return self._bufferMode, self._bufferSize end,
|
||||
getFilename = function(self) return self._name end,
|
||||
getMode = function(self) return self._mode end,
|
||||
isOpen = function(self) return self._mode ~= 'c' and self._handle ~= nil end,
|
||||
}
|
||||
|
||||
local fopen, getcwd, chdir, unlink, mkdir, rmdir
|
||||
local BUFFERMODE, MODEMAP
|
||||
local ByteArray = ffi.typeof('unsigned char[?]')
|
||||
local function _ptr(p) return p ~= nil and p or nil end -- NULL pointer to nil
|
||||
|
||||
function File:open(mode)
|
||||
if self._mode ~= 'c' then return false, "File " .. self._name .. " is already open" end
|
||||
if not MODEMAP[mode] then return false, "Invalid open mode for " .. self._name .. ": " .. mode end
|
||||
|
||||
local handle = _ptr(fopen(self._name, MODEMAP[mode]))
|
||||
if not handle then return false, "Could not open " .. self._name .. " in mode " .. mode end
|
||||
|
||||
self._handle, self._mode = ffi.gc(handle, C.fclose), mode
|
||||
self:setBuffer(self._bufferMode, self._bufferSize)
|
||||
|
||||
return true
|
||||
end
|
||||
|
||||
function File:close()
|
||||
if self._mode == 'c' then return false, "File is not open" end
|
||||
C.fclose(ffi.gc(self._handle, nil))
|
||||
self._handle, self._mode = nil, 'c'
|
||||
return true
|
||||
end
|
||||
|
||||
function File:setBuffer(mode, size)
|
||||
local bufferMode = BUFFERMODE[mode]
|
||||
if not bufferMode then
|
||||
return false, "Invalid buffer mode " .. mode .. " (expected 'none', 'full', or 'line')"
|
||||
end
|
||||
|
||||
if mode == 'none' then
|
||||
size = math.max(0, size or 0)
|
||||
else
|
||||
size = math.max(2, size or 2) -- Windows requires buffer to be at least 2 bytes
|
||||
end
|
||||
|
||||
local success = self._mode == 'c' or C.setvbuf(self._handle, nil, bufferMode, size) == 0
|
||||
if not success then
|
||||
self._bufferMode, self._bufferSize = 'none', 0
|
||||
return false, "Could not set buffer mode"
|
||||
end
|
||||
|
||||
self._bufferMode, self._bufferSize = mode, size
|
||||
return true
|
||||
end
|
||||
|
||||
function File:getSize()
|
||||
-- NOTE: The correct way to do this would be a stat() call, which requires a
|
||||
-- lot more (system-specific) code. This is a shortcut that requires the file
|
||||
-- to be readable.
|
||||
local mustOpen = not self:isOpen()
|
||||
if mustOpen and not self:open('r') then return 0 end
|
||||
|
||||
local pos = mustOpen and 0 or self:tell()
|
||||
C.fseek(self._handle, 0, 2)
|
||||
local size = self:tell()
|
||||
if mustOpen then
|
||||
self:close()
|
||||
else
|
||||
self:seek(pos)
|
||||
end
|
||||
return size
|
||||
end
|
||||
|
||||
function File:read(containerOrBytes, bytes)
|
||||
if self._mode ~= 'r' then return nil, 0 end
|
||||
|
||||
local container = bytes ~= nil and containerOrBytes or 'string'
|
||||
if container ~= 'string' and container ~= 'data' then
|
||||
error("Invalid container type: " .. container)
|
||||
end
|
||||
|
||||
bytes = not bytes and containerOrBytes or 'all'
|
||||
bytes = bytes == 'all' and self:getSize() - self:tell() or math.min(self:getSize() - self:tell(), bytes)
|
||||
|
||||
if bytes <= 0 then
|
||||
local data = container == 'string' and '' or love.data.newFileData('', self._name)
|
||||
return data, 0
|
||||
end
|
||||
|
||||
local data = love.data.newByteData(bytes)
|
||||
local r = tonumber(C.fread(data:getFFIPointer(), 1, bytes, self._handle))
|
||||
|
||||
local str = data:getString()
|
||||
data:release()
|
||||
data = container == 'data' and love.filesystem.newFileData(str, self._name) or str
|
||||
return data, r
|
||||
end
|
||||
|
||||
local function lines(file, autoclose)
|
||||
local BUFFERSIZE = 4096
|
||||
local buffer, bufferPos = ByteArray(BUFFERSIZE), 0
|
||||
local bytesRead = tonumber(C.fread(buffer, 1, BUFFERSIZE, file._handle))
|
||||
|
||||
local offset = file:tell()
|
||||
return function()
|
||||
file:seek(offset)
|
||||
|
||||
local line = {}
|
||||
while bytesRead > 0 do
|
||||
for i = bufferPos, bytesRead - 1 do
|
||||
if buffer[i] == 10 then -- end of line
|
||||
bufferPos = i + 1
|
||||
return table.concat(line)
|
||||
end
|
||||
|
||||
if buffer[i] ~= 13 then -- ignore CR
|
||||
table.insert(line, string.char(buffer[i]))
|
||||
end
|
||||
end
|
||||
|
||||
bytesRead = tonumber(C.fread(buffer, 1, BUFFERSIZE, file._handle))
|
||||
offset, bufferPos = offset + bytesRead, 0
|
||||
end
|
||||
|
||||
if not line[1] then
|
||||
if autoclose then file:close() end
|
||||
return nil
|
||||
end
|
||||
return table.concat(line)
|
||||
end
|
||||
end
|
||||
|
||||
function File:lines()
|
||||
if self._mode ~= 'r' then error("File is not opened for reading") end
|
||||
return lines(self)
|
||||
end
|
||||
|
||||
function File:write(data, size)
|
||||
if self._mode ~= 'w' and self._mode ~= 'a' then
|
||||
return false, "File " .. self._name .. " not opened for writing"
|
||||
end
|
||||
|
||||
local toWrite, writeSize
|
||||
if type(data) == 'string' then
|
||||
writeSize = (size == nil or size == 'all') and #data or size
|
||||
toWrite = data
|
||||
else
|
||||
writeSize = (size == nil or size == 'all') and data:getSize() or size
|
||||
toWrite = data:getFFIPointer()
|
||||
end
|
||||
|
||||
if tonumber(C.fwrite(toWrite, 1, writeSize, self._handle)) ~= writeSize then
|
||||
return false, "Could not write data"
|
||||
end
|
||||
return true
|
||||
end
|
||||
|
||||
function File:seek(pos)
|
||||
return self._handle and C.fseek(self._handle, pos, 0) == 0
|
||||
end
|
||||
|
||||
function File:tell()
|
||||
if not self._handle then return nil, "Invalid position" end
|
||||
return tonumber(C.ftell(self._handle))
|
||||
end
|
||||
|
||||
function File:flush()
|
||||
if self._mode ~= 'w' and self._mode ~= 'a' then
|
||||
return nil, "File is not opened for writing"
|
||||
end
|
||||
return C.fflush(self._handle) == 0
|
||||
end
|
||||
|
||||
function File:isEOF()
|
||||
return not self:isOpen() or C.feof(self._handle) ~= 0 or self:tell() == self:getSize()
|
||||
end
|
||||
|
||||
function File:release()
|
||||
if self._mode ~= 'c' then self:close() end
|
||||
self._handle = nil
|
||||
end
|
||||
|
||||
function File:type() return 'File' end
|
||||
|
||||
function File:typeOf(t) return t == 'File' end
|
||||
|
||||
File.__index = File
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
local nativefs = {}
|
||||
local loveC = ffi.os == 'Windows' and ffi.load('love') or C
|
||||
|
||||
function nativefs.newFile(name)
|
||||
if type(name) ~= 'string' then
|
||||
error("bad argument #1 to 'newFile' (string expected, got " .. type(name) .. ")")
|
||||
end
|
||||
return setmetatable({
|
||||
_name = name,
|
||||
_mode = 'c',
|
||||
_handle = nil,
|
||||
_bufferSize = 0,
|
||||
_bufferMode = 'none'
|
||||
}, File)
|
||||
end
|
||||
|
||||
function nativefs.newFileData(filepath)
|
||||
local f = nativefs.newFile(filepath)
|
||||
local ok, err = f:open('r')
|
||||
if not ok then return nil, err end
|
||||
|
||||
local data, err = f:read('data', 'all')
|
||||
f:close()
|
||||
return data, err
|
||||
end
|
||||
|
||||
function nativefs.mount(archive, mountPoint, appendToPath)
|
||||
return loveC.PHYSFS_mount(archive, mountPoint, appendToPath and 1 or 0) ~= 0
|
||||
end
|
||||
|
||||
function nativefs.unmount(archive)
|
||||
return loveC.PHYSFS_unmount(archive) ~= 0
|
||||
end
|
||||
|
||||
function nativefs.read(containerOrName, nameOrSize, sizeOrNil)
|
||||
local container, name, size
|
||||
if sizeOrNil then
|
||||
container, name, size = containerOrName, nameOrSize, sizeOrNil
|
||||
elseif not nameOrSize then
|
||||
container, name, size = 'string', containerOrName, 'all'
|
||||
else
|
||||
if type(nameOrSize) == 'number' or nameOrSize == 'all' then
|
||||
container, name, size = 'string', containerOrName, nameOrSize
|
||||
else
|
||||
container, name, size = containerOrName, nameOrSize, 'all'
|
||||
end
|
||||
end
|
||||
|
||||
local file = nativefs.newFile(name)
|
||||
local ok, err = file:open('r')
|
||||
if not ok then return nil, err end
|
||||
|
||||
local data, size = file:read(container, size)
|
||||
file:close()
|
||||
return data, size
|
||||
end
|
||||
|
||||
local function writeFile(mode, name, data, size)
|
||||
local file = nativefs.newFile(name)
|
||||
local ok, err = file:open(mode)
|
||||
if not ok then return nil, err end
|
||||
|
||||
ok, err = file:write(data, size or 'all')
|
||||
file:close()
|
||||
return ok, err
|
||||
end
|
||||
|
||||
function nativefs.write(name, data, size)
|
||||
return writeFile('w', name, data, size)
|
||||
end
|
||||
|
||||
function nativefs.append(name, data, size)
|
||||
return writeFile('a', name, data, size)
|
||||
end
|
||||
|
||||
function nativefs.lines(name)
|
||||
local f = nativefs.newFile(name)
|
||||
local ok, err = f:open('r')
|
||||
if not ok then return nil, err end
|
||||
return lines(f, true)
|
||||
end
|
||||
|
||||
function nativefs.load(name)
|
||||
local chunk, err = nativefs.read(name)
|
||||
if not chunk then return nil, err end
|
||||
return loadstring(chunk, name)
|
||||
end
|
||||
|
||||
function nativefs.getWorkingDirectory()
|
||||
return getcwd()
|
||||
end
|
||||
|
||||
function nativefs.setWorkingDirectory(path)
|
||||
if not chdir(path) then return false, "Could not set working directory" end
|
||||
return true
|
||||
end
|
||||
|
||||
function nativefs.getDriveList()
|
||||
if ffi.os ~= 'Windows' then return { '/' } end
|
||||
local drives, bits = {}, C.GetLogicalDrives()
|
||||
for i = 0, 25 do
|
||||
if bit.band(bits, 2 ^ i) > 0 then
|
||||
table.insert(drives, string.char(65 + i) .. ':/')
|
||||
end
|
||||
end
|
||||
return drives
|
||||
end
|
||||
|
||||
function nativefs.createDirectory(path)
|
||||
local current = path:sub(1, 1) == '/' and '/' or ''
|
||||
for dir in path:gmatch('[^/\\]+') do
|
||||
current = current .. dir .. '/'
|
||||
local info = nativefs.getInfo(current, 'directory')
|
||||
if not info and not mkdir(current) then return false, "Could not create directory " .. current end
|
||||
end
|
||||
return true
|
||||
end
|
||||
|
||||
function nativefs.remove(name)
|
||||
local info = nativefs.getInfo(name)
|
||||
if not info then return false, "Could not remove " .. name end
|
||||
if info.type == 'directory' then
|
||||
if not rmdir(name) then return false, "Could not remove directory " .. name end
|
||||
return true
|
||||
end
|
||||
if not unlink(name) then return false, "Could not remove file " .. name end
|
||||
return true
|
||||
end
|
||||
|
||||
local function withTempMount(dir, fn, ...)
|
||||
local mountPoint = _ptr(loveC.PHYSFS_getMountPoint(dir))
|
||||
if mountPoint then return fn(ffi.string(mountPoint), ...) end
|
||||
if not nativefs.mount(dir, '__nativefs__temp__') then return false, "Could not mount " .. dir end
|
||||
local a, b = fn('__nativefs__temp__', ...)
|
||||
nativefs.unmount(dir)
|
||||
return a, b
|
||||
end
|
||||
|
||||
function nativefs.getDirectoryItems(dir)
|
||||
if type(dir) ~= "string" then
|
||||
error("bad argument #1 to 'getDirectoryItems' (string expected, got " .. type(dir) .. ")")
|
||||
end
|
||||
local result, err = withTempMount(dir, love.filesystem.getDirectoryItems)
|
||||
return result or {}
|
||||
end
|
||||
|
||||
local function getDirectoryItemsInfo(path, filtertype)
|
||||
local items = {}
|
||||
local files = love.filesystem.getDirectoryItems(path)
|
||||
for i = 1, #files do
|
||||
local filepath = string.format('%s/%s', path, files[i])
|
||||
local info = love.filesystem.getInfo(filepath, filtertype)
|
||||
if info then
|
||||
info.name = files[i]
|
||||
table.insert(items, info)
|
||||
end
|
||||
end
|
||||
return items
|
||||
end
|
||||
|
||||
function nativefs.getDirectoryItemsInfo(path, filtertype)
|
||||
if type(path) ~= "string" then
|
||||
error("bad argument #1 to 'getDirectoryItemsInfo' (string expected, got " .. type(path) .. ")")
|
||||
end
|
||||
local result, err = withTempMount(path, getDirectoryItemsInfo, filtertype)
|
||||
return result or {}
|
||||
end
|
||||
|
||||
local function getInfo(path, file, filtertype)
|
||||
local filepath = string.format('%s/%s', path, file)
|
||||
return love.filesystem.getInfo(filepath, filtertype)
|
||||
end
|
||||
|
||||
local function leaf(p)
|
||||
p = p:gsub('\\', '/')
|
||||
local last, a = p, 1
|
||||
while a do
|
||||
a = p:find('/', a + 1)
|
||||
if a then
|
||||
last = p:sub(a + 1)
|
||||
end
|
||||
end
|
||||
return last
|
||||
end
|
||||
|
||||
function nativefs.getInfo(path, filtertype)
|
||||
if type(path) ~= 'string' then
|
||||
error("bad argument #1 to 'getInfo' (string expected, got " .. type(path) .. ")")
|
||||
end
|
||||
local dir = path:match("(.*[\\/]).*$") or './'
|
||||
local file = leaf(path)
|
||||
local result, err = withTempMount(dir, getInfo, file, filtertype)
|
||||
return result or nil
|
||||
end
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
MODEMAP = { r = 'rb', w = 'wb', a = 'ab' }
|
||||
local MAX_PATH = 4096
|
||||
|
||||
ffi.cdef([[
|
||||
int PHYSFS_mount(const char* dir, const char* mountPoint, int appendToPath);
|
||||
int PHYSFS_unmount(const char* dir);
|
||||
const char* PHYSFS_getMountPoint(const char* dir);
|
||||
|
||||
typedef struct FILE FILE;
|
||||
|
||||
FILE* fopen(const char* path, const char* mode);
|
||||
size_t fread(void* ptr, size_t size, size_t nmemb, FILE* stream);
|
||||
size_t fwrite(const void* ptr, size_t size, size_t nmemb, FILE* stream);
|
||||
int fclose(FILE* stream);
|
||||
int fflush(FILE* stream);
|
||||
size_t fseek(FILE* stream, size_t offset, int whence);
|
||||
size_t ftell(FILE* stream);
|
||||
int setvbuf(FILE* stream, char* buffer, int mode, size_t size);
|
||||
int feof(FILE* stream);
|
||||
]])
|
||||
|
||||
if ffi.os == 'Windows' then
|
||||
ffi.cdef([[
|
||||
int MultiByteToWideChar(unsigned int cp, uint32_t flags, const char* mb, int cmb, const wchar_t* wc, int cwc);
|
||||
int WideCharToMultiByte(unsigned int cp, uint32_t flags, const wchar_t* wc, int cwc, const char* mb,
|
||||
int cmb, const char* def, int* used);
|
||||
int GetLogicalDrives(void);
|
||||
int CreateDirectoryW(const wchar_t* path, void*);
|
||||
int _wchdir(const wchar_t* path);
|
||||
wchar_t* _wgetcwd(wchar_t* buffer, int maxlen);
|
||||
FILE* _wfopen(const wchar_t* path, const wchar_t* mode);
|
||||
int _wunlink(const wchar_t* path);
|
||||
int _wrmdir(const wchar_t* path);
|
||||
]])
|
||||
|
||||
BUFFERMODE = { full = 0, line = 64, none = 4 }
|
||||
|
||||
local function towidestring(str)
|
||||
local size = C.MultiByteToWideChar(65001, 0, str, #str, nil, 0)
|
||||
local buf = ffi.new('wchar_t[?]', size + 1)
|
||||
C.MultiByteToWideChar(65001, 0, str, #str, buf, size)
|
||||
return buf
|
||||
end
|
||||
|
||||
local function toutf8string(wstr)
|
||||
local size = C.WideCharToMultiByte(65001, 0, wstr, -1, nil, 0, nil, nil)
|
||||
local buf = ffi.new('char[?]', size + 1)
|
||||
C.WideCharToMultiByte(65001, 0, wstr, -1, buf, size, nil, nil)
|
||||
return ffi.string(buf)
|
||||
end
|
||||
|
||||
local nameBuffer = ffi.new('wchar_t[?]', MAX_PATH + 1)
|
||||
|
||||
fopen = function(path, mode) return C._wfopen(towidestring(path), towidestring(mode)) end
|
||||
getcwd = function() return toutf8string(C._wgetcwd(nameBuffer, MAX_PATH)) end
|
||||
chdir = function(path) return C._wchdir(towidestring(path)) == 0 end
|
||||
unlink = function(path) return C._wunlink(towidestring(path)) == 0 end
|
||||
mkdir = function(path) return C.CreateDirectoryW(towidestring(path), nil) ~= 0 end
|
||||
rmdir = function(path) return C._wrmdir(towidestring(path)) == 0 end
|
||||
else
|
||||
BUFFERMODE = { full = 0, line = 1, none = 2 }
|
||||
|
||||
ffi.cdef([[
|
||||
char* getcwd(char *buffer, int maxlen);
|
||||
int chdir(const char* path);
|
||||
int unlink(const char* path);
|
||||
int mkdir(const char* path, int mode);
|
||||
int rmdir(const char* path);
|
||||
]])
|
||||
|
||||
local nameBuffer = ByteArray(MAX_PATH)
|
||||
|
||||
fopen = C.fopen
|
||||
unlink = function(path) return ffi.C.unlink(path) == 0 end
|
||||
chdir = function(path) return ffi.C.chdir(path) == 0 end
|
||||
mkdir = function(path) return ffi.C.mkdir(path, 0x1ed) == 0 end
|
||||
rmdir = function(path) return ffi.C.rmdir(path) == 0 end
|
||||
|
||||
getcwd = function()
|
||||
local cwd = _ptr(C.getcwd(nameBuffer, MAX_PATH))
|
||||
return cwd and ffi.string(cwd) or nil
|
||||
end
|
||||
end
|
||||
|
||||
return nativefs
|
||||
|
|
@ -358,16 +358,12 @@ The following facilities help set these things up:
|
|||
* `json.decode(obj)` -- turns a JSON string into a Lua object.
|
||||
(From [json.lua](https://github.com/rxi/json.lua).)
|
||||
|
||||
* `love.filesystem.getDirectoryItems(dir)` -- returns an unsorted array of the
|
||||
files and directories available under `dir`. `dir` must be relative to
|
||||
[LÖVE's save directory](https://love2d.org/wiki/love.filesystem.getSaveDirectory).
|
||||
There is no easy, portable way in Lua/LÖVE to list directories outside the
|
||||
save dir.
|
||||
* `App.files(dir)` -- returns an unsorted array of the files and directories
|
||||
available under `dir`.
|
||||
(From [LÖVE](https://love2d.org/wiki/love.filesystem.getDirectoryItems).]
|
||||
|
||||
* `love.filesystem.getInfo(filename)` -- returns some information about
|
||||
`filename`, particularly whether it exists (non-`nil` return value) or not.
|
||||
`filename` must be relative to [LÖVE's save directory](https://love2d.org/wiki/love.filesystem.getSaveDirectory).
|
||||
(From [LÖVE](https://love2d.org/wiki/love.filesystem.getInfo).]
|
||||
|
||||
* `os.remove(filename)` -- removes a file or empty directory. Definitely make
|
||||
|
|
|
|||
|
|
@ -10,8 +10,9 @@ function file_exists(filename)
|
|||
end
|
||||
end
|
||||
|
||||
-- the source editor supports only files in the save dir, not even subdirectories
|
||||
function load_from_disk(State)
|
||||
local infile = App.open_for_reading(State.filename)
|
||||
local infile = App.open_for_reading(App.save_dir..State.filename)
|
||||
State.lines = load_from_file(infile)
|
||||
if infile then infile:close() end
|
||||
end
|
||||
|
|
@ -37,7 +38,7 @@ function load_from_file(infile)
|
|||
end
|
||||
|
||||
function save_to_disk(State)
|
||||
local outfile = App.open_for_writing(State.filename)
|
||||
local outfile = App.open_for_writing(App.save_dir..State.filename)
|
||||
if outfile == nil then
|
||||
error('failed to write to "'..State.filename..'"')
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in New Issue