/var/www/greso.tech/server/nsm/node_modules/pdf-lib/es/core/parser
Edit: /var/www/greso.tech/server/nsm/node_modules/pdf-lib/es/core/parser/ByteStream.js (2040B)
import { NextByteAssertionError } from "../errors";
import { decodePDFRawStream } from "../streams/decode";
import CharCodes from "../syntax/CharCodes";
// TODO: See how line/col tracking affects performance
var ByteStream = /** @class */ (function () {
function ByteStream(bytes) {
this.idx = 0;
this.line = 0;
this.column = 0;
this.bytes = bytes;
this.length = this.bytes.length;
}
ByteStream.prototype.moveTo = function (offset) {
this.idx = offset;
};
ByteStream.prototype.next = function () {
var byte = this.bytes[this.idx++];
if (byte === CharCodes.Newline) {
this.line += 1;
this.column = 0;
}
else {
this.column += 1;
}
return byte;
};
ByteStream.prototype.assertNext = function (expected) {
if (this.peek() !== expected) {
throw new NextByteAssertionError(this.position(), expected, this.peek());
}
return this.next();
};
ByteStream.prototype.peek = function () {
return this.bytes[this.idx];
};
ByteStream.prototype.peekAhead = function (steps) {
return this.bytes[this.idx + steps];
};
ByteStream.prototype.peekAt = function (offset) {
return this.bytes[offset];
};
ByteStream.prototype.done = function () {
return this.idx >= this.length;
};
ByteStream.prototype.offset = function () {
return this.idx;
};
ByteStream.prototype.slice = function (start, end) {
return this.bytes.slice(start, end);
};
ByteStream.prototype.position = function () {
return { line: this.line, column: this.column, offset: this.idx };
};
ByteStream.of = function (bytes) { return new ByteStream(bytes); };
ByteStream.fromPDFRawStream = function (rawStream) {
return ByteStream.of(decodePDFRawStream(rawStream).decode());
};
return ByteStream;
}());
export default ByteStream;
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