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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-01-02 18:24:49 +0000
n>src, filename, flags) client.runJSJobs() if client.console.tty != nil: restoreStdin(client.console.tty.getFileHandle()) proc evalJSFree(client: Client, src, filename: string) = JS_FreeValue(client.jsctx, client.evalJS(src, filename)) proc command0(client: Client, src: string, filename = "<command>", silence = false, module = false) = let ret = client.evalJS(src, filename, module = module) if JS_IsException(ret): client.jsctx.writeException(client.console.err) else: if not silence: let str = fromJS[string](client.jsctx, ret) if str.isSome: client.console.err.write(str.get & '\n') client.console.err.flush() JS_FreeValue(client.jsctx, ret) proc command(client: Client, src: string) = client.command0(src) client.console.container.requestLines().then(proc() = client.console.container.cursorLastLine()) proc suspend(client: Client) {.jsfunc.} = client.pager.term.quit() discard kill(client.mainproc, cint(SIGSTOP)) client.pager.term.restart() proc quit(client: Client, code = 0) {.jsfunc.} = if client.alive: client.alive = false client.pager.quit() let ctx = client.jsctx var global = JS_GetGlobalObject(ctx) JS_FreeValue(ctx, global) if client.jsctx != nil: free(client.jsctx) #TODO #if client.jsrt != nil: # free(client.jsrt) quit(code) proc feedNext(client: Client) {.jsfunc.} = client.feednext = true proc alert(client: Client, msg: string) {.jsfunc.} = client.pager.alert(msg) proc handlePagerEvents(client: Client) = let container = client.pager.container if container != nil: client.pager.handleEvents(container) proc input(client: Client) = restoreStdin(client.console.tty.getFileHandle()) while true: let c = client.console.readChar() if client.pager.askpromise != nil: if c == 'y': client.pager.fulfillAsk(true) client.runJSJobs() elif c == 'n': client.pager.fulfillAsk(false) client.runJSJobs() elif client.pager.lineedit.isSome: client.s &= c let edit = client.pager.lineedit.get client.line = edit if edit.escNext: edit.escNext = false if edit.write(client.s, client.pager.term.cs): client.s = "" else: let action = getLinedAction(client.config, client.s) if action == "": if edit.write(client.s, client.pager.term.cs): client.s = "" else: client.feedNext = true elif not client.feednext: client.evalJSFree(action, "<command>") if client.pager.lineedit.isNone: client.line = nil if not client.feedNext: client.pager.updateReadLine() else: client.s &= c let action = getNormalAction(client.config, client.s) client.evalJSFree(action, "<command>") if not client.feedNext: client.handlePagerEvents() client.pager.refreshStatusMsg() if not client.feednext: client.s = "" break else: client.feednext = false client.s = "" proc setTimeout[T: JSValue|string](client: Client, handler: T, timeout = 0i32): int32 {.jsfunc.} = return client.timeouts.setTimeout(handler, timeout) proc setInterval[T: JSValue|string](client: Client, handler: T, interval = 0i32): int32 {.jsfunc.} = return client.timeouts.setInterval(handler, interval) proc clearTimeout(client: Client, id: int32) {.jsfunc.} = client.timeouts.clearTimeout(id) proc clearInterval(client: Client, id: int32) {.jsfunc.} = client.timeouts.clearInterval(id) let SIGWINCH {.importc, header: "<signal.h>", nodecl.}: cint proc log(console: Console, ss: varargs[string]) {.jsfunc.} = for i in 0..<ss.len: console.err.write(ss[i]) if i != ss.high: console.err.write(' ') console.err.write('\n') console.err.flush() proc show(console: Console) {.jsfunc.} = if console.pager.container != console.container: console.prev = console.pager.container console.pager.setContainer(console.container) console.container.requestLines() proc hide(console: Console) {.jsfunc.} = if console.pager.container == console.container: console.pager.setContainer(console.prev) proc buffer(console: Console): Container {.jsfget.} = return console.container proc acceptBuffers(client: Client) = while client.pager.unreg.len > 0: let (pid, stream) = client.pager.unreg.pop() let fd = stream.source.getFd() if int(fd) in client.fdmap: client.selector.unregister(fd) client.fdmap.del(int(fd)) else: client.pager.procmap.del(pid) stream.close() while client.pager.procmap.len > 0: try: let stream = client.ssock.acceptSocketStream() var pid: Pid #TODO if this returns EAGAIN then we're stuck stream.sread(pid) if pid in client.pager.procmap: let container = client.pager.procmap[pid] client.pager.procmap.del(pid) container.setStream(stream) let fd = stream.source.getFd() client.fdmap[int(fd)] = container client.selector.registerHandle(fd, {Read}, nil) client.pager.handleEvents(container) else: #TODO uh what? client.console.log("???") stream.close() except OSError: # EAGAIN, probably. TODO break proc c_setvbuf(f: File, buf: pointer, mode: cint, size: csize_t): cint {. importc: "setvbuf", header: "<stdio.h>", tags: [].} proc handleRead(client: Client, fd: int) = if client.console.tty != nil and fd == client.console.tty.getFileHandle(): client.input() client.handlePagerEvents() elif fd == client.forkserver.estream.fd: var nl = false const prefix = "STDERR: " var s = prefix while true: try: let c = client.forkserver.estream.readChar() if nl and s.len > prefix.len: client.console.err.write(s) s = prefix nl = false s &= c nl = c == '\n' except IOError: break if s.len > prefix.len: client.console.err.write(s) client.console.err.flush() elif fd in client.loader.connecting: client.loader.onConnected(fd) client.runJSJobs() elif fd in client.loader.ongoing: client.loader.onRead(fd) elif fd in client.loader.unregistered: discard # ignore elif fd == client.fd: client.acceptBuffers() else: let container = client.fdmap[fd] client.pager.handleEvent(container) proc flushConsole*(client: Client) {.jsfunc.} = client.handleRead(client.forkserver.estream.fd) proc handleError(client: Client, fd: int) = if client.console.tty != nil and fd == client.console.tty.getFileHandle(): #TODO do something here... stderr.write("Error in tty\n") quit(1) elif fd == client.forkserver.estream.fd: #TODO do something here... stderr.write("Fork server crashed :(\n") quit(1) elif fd in client.loader.connecting: #TODO handle error? discard elif fd in client.loader.ongoing: client.loader.onError(fd) elif fd in client.loader.unregistered: discard # already unregistered... else: if fd in client.fdmap: let container = client.fdmap[fd] if container != client.console.container: client.console.log("Error in buffer", $container.location) else: client.console.container = nil client.selector.unregister(fd) client.fdmap.del(fd) if client.console.container != nil: client.console.show() else: doAssert false proc inputLoop(client: Client) = let selector = client.selector discard c_setvbuf(client.console.tty, nil, IONBF, 0) selector.registerHandle(int(client.console.tty.getFileHandle()), {Read}, nil) let sigwinch = selector.registerSignal(int(SIGWINCH), nil) while true: let events = client.selector.select(-1) for event in events: if Read in event.events: client.handleRead(event.fd) if Error in event.events: client.handleError(event.fd) if Signal in event.events: assert event.fd == sigwinch client.attrs = getWindowAttributes(client.console.tty) client.pager.windowChange(client.attrs) if selectors.Event.Timer in event.events: assert client.timeouts.runTimeoutFd(event.fd) client.runJSJobs() client.console.container.requestLines().then(proc() = client.console.container.cursorLastLine()) client.loader.unregistered.setLen(0) if client.pager.scommand != "": client.command(client.pager.scommand) client.pager.scommand = "" client.handlePagerEvents() if client.pager.container == nil: # No buffer to display. quit(1) client.pager.showAlerts() client.pager.draw() func hasSelectFds(client: Client): bool = return not client.timeouts.empty or client.pager.numload > 0 or client.loader.connecting.len > 0 or client.loader.ongoing.len > 0 or client.pager.procmap.len > 0 proc headlessLoop(client: Client) = while client.hasSelectFds(): let events = client.selector.select(-1) for event in events: if Read in event.events: client.handleRead(event.fd) if Error in event.events: client.handleError(event.fd) if selectors.Event.Timer in event.events: assert client.timeouts.runTimeoutFd(event.fd) client.runJSJobs() client.loader.unregistered.setLen(0) client.acceptBuffers() proc clientLoadJSModule(ctx: JSContext, module_name: cstring, opaque: pointer): JSModuleDef {.cdecl.} = let global = JS_GetGlobalObject(ctx) JS_FreeValue(ctx, global) var x: Option[URL] if module_name.startsWith("/") or module_name.startsWith("./") or module_name.startsWith("../"): let cur = getCurrentDir() x = parseURL($module_name, parseURL("file://" & cur & "/")) else: x = parseURL($module_name) if x.isNone or x.get.scheme != "file": JS_ThrowTypeError(ctx, "Invalid URL: %s", module_name) return nil try: let f = readFile($x.get.path) return finishLoadModule(ctx, f, module_name) except IOError: JS_ThrowTypeError(ctx, "Failed to open file %s", module_name) return nil proc readBlob(client: Client, path: string): Option[WebFile] {.jsfunc.} = try: return some(newWebFile(path)) except IOError: discard #TODO this is dumb proc readFile(client: Client, path: string): string {.jsfunc.} = try: return readFile(path) except IOError: discard #TODO ditto proc writeFile(client: Client, path: string, content: string) {.jsfunc.} = writeFile(path, content) proc newConsole(pager: Pager, tty: File): Console = new(result) if tty != nil: var pipefd: array[0..1, cint] if pipe(pipefd) == -1: raise newException(Defect, "Failed to open console pipe.") let url = newURL("javascript:console.show()") result.container = pager.readPipe0(some("text/plain"), CHARSET_UNKNOWN, pipefd[0], option(url.get(nil)), "Browser console") var f: File if not open(f, pipefd[1], fmWrite): raise newException(Defect, "Failed to open file for console pipe.") result.err = newFileStream(f) result.err.writeLine("Type (M-c) console.hide() to return to buffer mode.") result.err.flush() result.pager = pager result.tty = tty pager.registerContainer(result.container) else: result.err = newFileStream(stderr) proc dumpBuffers(client: Client) = client.headlessLoop() let ostream = newFileStream(stdout) for container in client.pager.containers: try: client.pager.drawBuffer(container, ostream) client.pager.handleEvents(container) except IOError: client.console.log("Error in buffer", $container.location) # check for errors client.handleRead(client.forkserver.estream.fd) quit(1) stdout.close() proc launchClient*(client: Client, pages: seq[string], contentType: Option[string], cs: Charset, dump: bool) = var tty: File var dump = dump if not dump: if stdin.isatty(): tty = stdin if stdout.isatty(): if tty == nil: dump = not open(tty, "/dev/tty", fmRead) else: dump = true client.ssock = initServerSocket(false, false) client.fd = int(client.ssock.sock.getFd()) let selector = newSelector[Container]() selector.registerHandle(client.fd, {Read}, nil) let efd = int(client.forkserver.estream.fd) selector.registerHandle(efd, {Read}, nil) client.loader.registerFun = proc(fd: int) = selector.registerHandle(fd, {Read}, nil) client.loader.unregisterFun = proc(fd: int) = selector.unregister(fd) client.selector = selector client.pager.launchPager(tty) client.console = newConsole(client.pager, tty) #TODO passing console.err here makes it impossible to change it later. maybe # better associate it with jsctx client.timeouts = newTimeoutState(client.selector, client.jsctx, client.console.err, proc(src, file: string) = client.evalJSFree(src, file)) client.alive = true addExitProc((proc() = client.quit())) if client.config.start.startup_script != "": let s = if fileExists(client.config.start.startup_script): readFile(client.config.start.startup_script) else: client.config.start.startup_script let ismodule = client.config.start.startup_script.endsWith(".mjs") client.command0(s, client.config.start.startup_script, silence = true, module = ismodule) client.userstyle = client.config.css.stylesheet.parseStylesheet() if not stdin.isatty(): client.pager.readPipe(contentType, cs, stdin.getFileHandle()) for page in pages: client.pager.loadURL(page, ctype = contentType, cs = cs) client.pager.showAlerts() if not dump: client.inputLoop() else: client.dumpBuffers() if client.config.start.headless: client.headlessLoop() client.quit() proc nimGCStats(client: Client): string {.jsfunc.} = return GC_getStatistics() proc jsGCStats(client: Client): string {.jsfunc.} = return client.jsrt.getMemoryUsage() proc nimCollect(client: Client) {.jsfunc.} = GC_fullCollect() proc jsCollect(client: Client) {.jsfunc.} = JS_RunGC(client.jsrt) proc sleep(client: Client, millis: int) {.jsfunc.} = sleep millis proc atob(client: Client, data: string): DOMResult[string] {.jsfunc.} = return atob(data) proc btoa(client: Client, data: string): DOMResult[string] {.jsfunc.} = return btoa(data) proc addJSModules(client: Client, ctx: JSContext) = ctx.addDOMExceptionModule() ctx.addCookieModule() ctx.addURLModule() ctx.addEventModule() ctx.addDOMModule() ctx.addHTMLModule() ctx.addIntlModule() ctx.addBlobModule() ctx.addFormDataModule() ctx.addXMLHttpRequestModule() ctx.addHeadersModule() ctx.addRequestModule() ctx.addResponseModule() ctx.addLineEditModule() ctx.addConfigModule() ctx.addPagerModule() ctx.addContainerModule() func getClient(client: Client): Client {.jsfget: "client".} = return client proc newClient*(config: Config, forkserver: ForkServer, mainproc: Pid): Client = setControlCHook(proc() {.noconv.} = quit(1)) let jsrt = newJSRuntime() JS_SetModuleLoaderFunc(jsrt, normalizeModuleName, clientLoadJSModule, nil) let jsctx = jsrt.newJSContext() let attrs = getWindowAttributes(stdout) let client = Client( config: config, forkserver: forkserver, mainproc: mainproc, attrs: attrs, loader: forkserver.newFileLoader( defaultHeaders = config.getDefaultHeaders(), proxy = config.getProxy(), acceptProxy = true ), jsrt: jsrt, jsctx: jsctx, pager: newPager(config, attrs, forkserver, mainproc, jsctx) ) jsrt.setInterruptHandler(interruptHandler, cast[pointer](client)) var global = JS_GetGlobalObject(jsctx) jsctx.registerType(Client, asglobal = true) setGlobal(jsctx, global, client) JS_FreeValue(jsctx, global) jsctx.registerType(Console) client.addJSModules(jsctx) return client
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-01-02 18:24:50 +0000