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BREAKING: Remove Deno.EOF, use null instead (#4953)

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Nayeem Rahman 2020-04-28 17:40:43 +01:00 • committed by GitHub
parent 47c2f034e9
commit 678313b176
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46 changed files with 329 additions and 325 deletions
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18
std/textproto/mod.ts
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@ -22,9 +22,9 @@ export class TextProtoReader {
/** readLine() reads a single line from the TextProtoReader,
* eliding the final \n or \r\n from the returned string.
*/
async readLine(): Promise<string | Deno.EOF> {
async readLine(): Promise<string | null> {
const s = await this.readLineSlice();
if (s === Deno.EOF) return Deno.EOF;
if (s === null) return null;
return str(s);
}
@ -48,20 +48,20 @@ export class TextProtoReader {
* "Long-Key": {"Even Longer Value"},
* }
*/
async readMIMEHeader(): Promise<Headers | Deno.EOF> {
async readMIMEHeader(): Promise<Headers | null> {
const m = new Headers();
let line: Uint8Array | undefined;
// The first line cannot start with a leading space.
let buf = await this.r.peek(1);
if (buf === Deno.EOF) {
return Deno.EOF;
if (buf === null) {
return null;
} else if (buf[0] == charCode(" ") || buf[0] == charCode("\t")) {
line = (await this.readLineSlice()) as Uint8Array;
}
buf = await this.r.peek(1);
if (buf === Deno.EOF) {
if (buf === null) {
throw new Deno.errors.UnexpectedEof();
} else if (buf[0] == charCode(" ") || buf[0] == charCode("\t")) {
throw new Deno.errors.InvalidData(
@ -71,7 +71,7 @@ export class TextProtoReader {
while (true) {
const kv = await this.readLineSlice(); // readContinuedLineSlice
if (kv === Deno.EOF) throw new Deno.errors.UnexpectedEof();
if (kv === null) throw new Deno.errors.UnexpectedEof();
if (kv.byteLength === 0) return m;
// Key ends at first colon
@ -112,12 +112,12 @@ export class TextProtoReader {
}
}
async readLineSlice(): Promise<Uint8Array | Deno.EOF> {
async readLineSlice(): Promise<Uint8Array | null> {
// this.closeDot();
let line: Uint8Array | undefined;
while (true) {
const r = await this.r.readLine();
if (r === Deno.EOF) return Deno.EOF;
if (r === null) return null;
const { line: l, more } = r;
// Avoid the copy if the first call produced a full line.