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import { Buffer, copy } from "../deps.ts";import { decode, encode } from "./helper.ts";
export async function read_text(): Promise<string> {  const p = Deno.run({    cmd: ["xclip", "-selection", "clipboard", "-o"],    stdout: "piped",    stderr: "piped",    stdin: "null",  });
  try {    const status = await p.status();    if (!status.success) {      p.stdout.close();      const cause = decode(await p.stderrOutput());      throw new Error(        `cannot read text: exit code: ${status.code}, error: ${cause}`,      );    }    p.stderr.close();    return decode(await p.output());  } finally {    p.close();  }}
export async function write_text(text: string): Promise<void> {  const p = Deno.run({    cmd: ["xclip", "-selection", "clipboard"],    stdin: "piped",    stderr: "piped",    stdout: "null",  });
  const buf = new Buffer(encode(text));  await copy(buf, p.stdin);
  p.stdin.close();
  try {    const status = await p.status();    if (!status.success) {      const cause = decode(await p.stderrOutput());      throw new Error(        `cannot write text: exit code: ${status.code}, error: ${cause}`,      );    }    p.stderr.close();  } finally {    p.close();  }}
export async function read_image(): Promise<Deno.Reader> {  const p = Deno.run({    cmd: ["xclip", "-selection", "clipboard", "-t", "image/png", "-o"],    stdout: "piped",    stderr: "piped",    stdin: "null",  });
  const dst = new Buffer();  await copy(p.stdout, dst);  p.stdout.close();
  try {    const status = await p.status();    if (!status.success) {      const cause = decode(await p.stderrOutput());      throw new Error(        `cannot read image: exit code: ${status.code}, error: ${cause}`,      );    }    p.stderr.close();
    return dst;  } finally {    p.close();  }}
export async function write_image(data: Uint8Array): Promise<void> {  const p = Deno.run({    cmd: ["xclip", "-selection", "clipboard", "-t", "image/png"],    stderr: "piped",    stdin: "piped",    stdout: "null",  });
  await copy(new Buffer(data), p.stdin);  p.stdin.close();
  try {    const status = await p.status();    if (!status.success) {      const cause = decode(await p.stderrOutput());      throw new Error(        `cannot write image: exit code: ${status.code}, error: ${cause}`,      );    }    p.stderr.close();  } finally {    p.close();  }}