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linux.ts
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linux.ts
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import { Buffer, streams } 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 streams.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 streams.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 streams.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();
}
}