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new filesystem impl wip

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This commit is contained in:
minjaesong
2022-08-16 17:46:07 +09:00
parent c3efa36a0d
commit ec5fdd69e3
2 changed files with 113 additions and 28 deletions
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125
assets/disk0/tvdos/TVDOS.SYS
View File

@@ -65,20 +65,42 @@ Object.freeze(_TVDOS);
_TVDOS.DRV.FS = {}
class TVDOSFileDescriptor {
constructor(path, driverString) {
path = path.replaceAll("\\", "/")
constructor(path0, driverID) {
let p = path0.replaceAll("/", "\\")
// oh well...
while (path.endsWith("/")) {
path = path.substring(0, path.length - 1)
while (p.endsWith("\\")) {
p = p.substring(0, p.length - 1)
}
this.path = path
this.driverString = driverString
this.driver = _TVDOS.DRV.FS[driverString]
this.driveLetter = path[0]
serial.println(`TVDOSFileDescriptor input path: ${path0}, p = ${p}`)
this._driveLetter = p[0]
this._path = p.substring(2) // detaches A:
this._driverID = driverID
this._driver = _TVDOS.DRV.FS[driverID]
}
get size() {
return this.driver.getFileLen()
return this.driver.getFileLen(this)
}
get path() {
return this._path
}
get driverID() {
return this._driverID
}
get driver() {
return this._driver
}
get driveLetter() {
return this._driveLetter
}
get fullPath() {
return `${this._driveLetter}:${this._path}`
}
/** reads the file bytewise and puts it to the specified memory address
@@ -125,11 +147,16 @@ class TVDOSFileDescriptor {
}
get name() {
return this.split("/").last()
return this.path.split("\\").last()
}
get parentPath() {
// return this.path.split("\\").init().join("\\")
let li = this.path.lastIndexOf("\\")
return this.path.substring(0, li)
}
list() {
if (!this.isDirectory()) throw Error(`File is not a directory: ${this.path}`)
if (!this.isDirectory) throw Error(`File is not a directory: ${this.path}`)
return this.driver.listFiles(this)
}
/** When the file does not exist, mkfile() will be called; if you want to make a directory, use mkdir() */
@@ -153,6 +180,8 @@ class TVDOSFileDescriptor {
_TVDOS.DRV.FS.SERIAL = {}
_TVDOS.DRV.FS.ROMFS = {}
_TVDOS.DRV.FS.DEVFS = {} // \dev\null zero full random lp fb0..fb3 mem pmem0..pmem7 com1..com4
@@ -166,6 +195,27 @@ _TVDOS.DRV.FS.SERIAL._toPorts = (driveLetter) => {
}
return port
}
_TVDOS.DRV.FS.SERIAL._openr = (fd) => {
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
_TVDOS.DRV.FS.SERIAL._flush(port[0]);_TVDOS.DRV.FS.SERIAL._close(port[0])
com.sendMessage(port[0], "OPENR"+'"'+fd.path+'",'+port[1])
return com.getStatusCode(port[0])
}
_TVDOS.DRV.FS.SERIAL._openw = (fd) => {
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
_TVDOS.DRV.FS.SERIAL._flush(port[0]);_TVDOS.DRV.FS.SERIAL._close(port[0])
com.sendMessage(port[0], "OPENW"+'"'+fd.path+'",'+port[1])
return com.getStatusCode(port[0])
}
_TVDOS.DRV.FS.SERIAL._opena = (fd) => {
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
_TVDOS.DRV.FS.SERIAL._flush(port[0]);_TVDOS.DRV.FS.SERIAL._close(port[0])
com.sendMessage(port[0], "OPENA"+'"'+fd.path+'",'+port[1])
return com.getStatusCode(port[0])
}
_TVDOS.DRV.FS.SERIAL._close = (portNo) => {
com.sendMessage(portNo, "CLOSE")
}
@@ -181,8 +231,10 @@ _TVDOS.DRV.FS.SERIAL.flush = (fd) => {
com.sendMessage(portNo, "FLUSH")
}
_TVDOS.DRV.FS.SERIAL.getFileLen = (driveLetter) => {
let port = _TVDOS.DRV.FS.SERIAL._toPorts(driveLetter)
_TVDOS.DRV.FS.SERIAL.getFileLen = (fd) => {
if (129 == _TVDOS.DRV.FS.SERIAL._openr(fd)) throw Error(`No such file: ${fd.path}`)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "GETLEN")
var response = com.getStatusCode(port[0])
if (135 == response) {
@@ -196,6 +248,8 @@ _TVDOS.DRV.FS.SERIAL.getFileLen = (driveLetter) => {
// TODO pread replaces DMA.comToRam
// TODO pwrite replaces DMA.ramToCom
_TVDOS.DRV.FS.SERIAL.sread = (fd) => {
if (129 == _TVDOS.DRV.FS.SERIAL._openr(fd)) throw Error(`No such file: ${fd.path}`)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "READ")
let response = com.getStatusCode(port[0])
@@ -208,6 +262,8 @@ _TVDOS.DRV.FS.SERIAL.sread = (fd) => {
return com.pullMessage(port[0])
}
_TVDOS.DRV.FS.SERIAL.swrite = (fd, str) => {
let rrrr = _TVDOS.DRV.FS.SERIAL._openw(fd); if (rrrr != 0) throw Error("Writing a file failed with "+rrrr)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "WRITE"+string.length)
let response = com.getStatusCode(port[0])
@@ -221,7 +277,7 @@ _TVDOS.DRV.FS.SERIAL.swrite = (fd, str) => {
_TVDOS.DRV.FS.SERIAL._flush(port[0]);_TVDOS.DRV.FS.SERIAL._close(port[0])
}
_TVDOS.DRV.FS.SERIAL.bread = (fd) => {
let str = _TVDOS.DRV.FS.SERIAL.readAll(fd.driveLetter)
let str = _TVDOS.DRV.FS.SERIAL.sread(fd.driveLetter)
let bytes = new Uint8Array(str.length)
for (let i = 0; i < str.length; i++) {
bytes[i] = str.charCodeAt(i)
@@ -233,21 +289,41 @@ _TVDOS.DRV.FS.SERIAL.bwrite = (fd, bytes) => { // pwrite replaces DMA.ramToCom
_TVDOS.DRV.FS.SERIAL.swrite(fd, string)
}
_TVDOS.DRV.FS.SERIAL.isDirectory = (fd) => {
if (129 == _TVDOS.DRV.FS.SERIAL._openr(fd)) throw Error(`No such file: ${fd.path}`)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "LISTFILES")
let response = com.getStatusCode(port[0])
return (response === 0)
}
_TVDOS.DRV.FS.SERIAL.listFiles = (fd) => {
TODO()
if (129 == _TVDOS.DRV.FS.SERIAL._openr(fd)) throw Error(`No such file: ${fd.path}`)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "LISTFILES")
let response = com.getStatusCode(port[0])
if (response !== 0) return undefined
let rawStr = com.pullMessage(port[0]) // {\x11 | \x12} <name> [ \x1E {\x11 | \x12} <name> ] \x17
let fdsInDir = []
let parentPath = fd.fullPath
rawStr.substring(0, rawStr.length).split('\x1E').forEach(it => {
let filename = it.substring(1)
let newfd = new TVDOSFileDescriptor(`${parentPath}/${filename}`, "SERIAL")
fdsInDir.push(newfd)
})
return fdsInDir
}
_TVDOS.DRV.FS.SERIAL.touch = (fd) => {
let rrrr = _TVDOS.DRV.FS.SERIAL._openw(fd); if (rrrr != 0) throw Error("Touching a file failed with "+rrrr)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "TOUCH")
let response = com.getStatusCode(port[0])
return (response === 0)
}
_TVDOS.DRV.FS.SERIAL.mkDir = (fd) => {
let rrrr = _TVDOS.DRV.FS.SERIAL._openw(fd); if (rrrr != 0) throw Error("Mkdir a file failed with "+rrrr)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "MKDIR")
let response = com.getStatusCode(port[0])
@@ -259,12 +335,16 @@ _TVDOS.DRV.FS.SERIAL.mkDir = (fd) => {
return (response === 0) // possible status codes: 0 (success), 1 (fail)
}
_TVDOS.DRV.FS.SERIAL.mkFile = (fd) => {
let rrrr = _TVDOS.DRV.FS.SERIAL._openw(fd); if (rrrr != 0) throw Error("Mkfile failed with "+rrrr)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "MKFILE")
let response = com.getStatusCode(port[0])
return (response === 0)
}
_TVDOS.DRV.FS.SERIAL.delete = (fd) => {
let rrrr = _TVDOS.DRV.FS.SERIAL._openw(fd); if (rrrr != 0) throw Error("Writing a file failed with "+rrrr)
let port = _TVDOS.DRV.FS.SERIAL._toPorts(fd.driveLetter)
com.sendMessage(port[0], "DELETE")
let response = com.getStatusCode(port[0])
@@ -272,6 +352,8 @@ _TVDOS.DRV.FS.SERIAL.delete = (fd) => {
}
Object.freeze(_TVDOS.DRV.FS.SERIAL)
Object.freeze(_TVDOS.DRV.FS.ROMFS)
Object.freeze(_TVDOS.DRV.FS.DEVFS)
///////////////////////////////////////////////////////////////////////////////
@@ -404,7 +486,7 @@ const files = {}
/** This function only creates a file descriptor; will not actually interact with the drives yet. */
files.open = (fullpath) => {
if (fullpath[1] != '/' && fullpath[1] != '\\') throw Error("Expected full path with drive letter")
if (fullpath[2] != '/' && fullpath[2] != '\\') throw Error("Expected full path with drive letter")
let driveLetter = fullpath[0].toUpperCase()
let driver = _TVDOS.DRIVEFS[driveLetter]
return new TVDOSFileDescriptor(fullpath, driver)
@@ -629,12 +711,13 @@ let injectIntChk = (s, n) => {
// @param args arguments for the program, must be Array, and args[0] is always the name of the program, e.g.
// for command line 'echo foo bar', args[0] must be 'echo'
// @return status returned by the program
var execApp = (cmdsrc, args) => {
var execApp = (cmdsrc, args, appname) => {
appname = (appname) ? `_${appname}` : "_appStub"
var intchkFunName = `tvdosSIGTERM_${generateRandomHashStr(16)}`;
var execAppPrg = eval(
`var ${intchkFunName} = function(){ ${checkTerm} };` +
`var _appStub=function(exec_args){${injectIntChk(cmdsrc, intchkFunName)}\n};` +
`_appStub`); // making 'exec_args' a app-level global
`var ${appname}=function(exec_args){${injectIntChk(cmdsrc, intchkFunName)}\n};` +
`${appname}`); // making 'exec_args' a app-level global
execAppPrg(args);
}
@@ -645,5 +728,5 @@ var execApp = (cmdsrc, args) => {
serial.println("TVDOS.SYS initialised, running boot script...");
var _G = {};
filesystem.open("A", "tvdos/bin/command.js", "R");
eval(`var _appStub=function(exec_args){${filesystem.readAll("A")}\n};` +
`_appStub`)(["", "/c", "\\AUTOEXEC.BAT"])
eval(`var _AUTOEXEC=function(exec_args){${filesystem.readAll("A")}\n};` +
`_AUTOEXEC`)(["", "/c", "\\AUTOEXEC.BAT"])

16
assets/disk0/tvdos/bin/command.js
View File

@@ -31,7 +31,7 @@ function print_prompt_text() {
con.color_pair(161,253);
con.addch(16);con.curs_right();
con.color_pair(0,253);
print(" /"+shell_pwd.join("/").substring(1)+" ");
print(" \\"+shell_pwd.join("\\").substring(1)+" ");
if (errorlevel != 0) {
con.color_pair(166,253);
print("["+errorlevel+"] ");
@@ -44,9 +44,9 @@ function print_prompt_text() {
else {
// con.color_pair(253,255);
if (errorlevel != 0)
print(CURRENT_DRIVE + ":/" + shell_pwd.join("/") + " [" + errorlevel + "]" + PROMPT_TEXT);
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + " [" + errorlevel + "]" + PROMPT_TEXT);
else
print(CURRENT_DRIVE + ":/" + shell_pwd.join("/") + PROMPT_TEXT);
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + PROMPT_TEXT);
}
}
@@ -541,17 +541,19 @@ shell.execute = function(line) {
else
pathExt.push(""); // final empty extension
var searchPath = ""
searchLoop:
for (var i = 0; i < searchDir.length; i++) {
for (var j = 0; j < pathExt.length; j++) {
var search = searchDir[i]; if (!search.endsWith('\\')) search += '\\';
var path = trimStartRevSlash(search + cmd + pathExt[j]);
searchPath = trimStartRevSlash(search + cmd + pathExt[j]);
if (DEBUG_PRINT) {
serial.println("[command.js > shell.execute] file search path: "+path);
serial.println("[command.js > shell.execute] file search path: "+searchPath);
}
if (0 == filesystem.open(CURRENT_DRIVE, path, "R")) {
if (0 == filesystem.open(CURRENT_DRIVE, searchPath, "R")) {
fileExists = true;
break searchLoop;
}
@@ -588,7 +590,7 @@ shell.execute = function(line) {
sendLcdMsg(_G.shellProgramTitles[_G.shellProgramTitles.length - 1]);
//serial.println(_G.shellProgramTitles);
errorlevel = execApp(programCode, tokens); // return value of undefined will cast into 0
errorlevel = execApp(programCode, tokens, `tvdosExec$${cmd}$` + searchPath.replaceAll(/[^A-Za-z0-9_]/g, "$")); // return value of undefined will cast into 0
}
catch (e) {
gotError = true;