/var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/streams
Edit: /var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/streams/Stream.js (3429B)
"use strict";
/*
* Copyright 2012 Mozilla Foundation
*
* The Stream class contained in this file is a TypeScript port of the
* JavaScript Stream class in Mozilla's pdf.js project, made available
* under the Apache 2.0 open source license.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var Stream = /** @class */ (function () {
function Stream(buffer, start, length) {
this.bytes = buffer;
this.start = start || 0;
this.pos = this.start;
this.end = !!start && !!length ? start + length : this.bytes.length;
}
Object.defineProperty(Stream.prototype, "length", {
get: function () {
return this.end - this.start;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Stream.prototype, "isEmpty", {
get: function () {
return this.length === 0;
},
enumerable: false,
configurable: true
});
Stream.prototype.getByte = function () {
if (this.pos >= this.end) {
return -1;
}
return this.bytes[this.pos++];
};
Stream.prototype.getUint16 = function () {
var b0 = this.getByte();
var b1 = this.getByte();
if (b0 === -1 || b1 === -1) {
return -1;
}
return (b0 << 8) + b1;
};
Stream.prototype.getInt32 = function () {
var b0 = this.getByte();
var b1 = this.getByte();
var b2 = this.getByte();
var b3 = this.getByte();
return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
};
// Returns subarray of original buffer, should only be read.
Stream.prototype.getBytes = function (length, forceClamped) {
if (forceClamped === void 0) { forceClamped = false; }
var bytes = this.bytes;
var pos = this.pos;
var strEnd = this.end;
if (!length) {
var subarray = bytes.subarray(pos, strEnd);
// `this.bytes` is always a `Uint8Array` here.
return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
}
else {
var end = pos + length;
if (end > strEnd) {
end = strEnd;
}
this.pos = end;
var subarray = bytes.subarray(pos, end);
// `this.bytes` is always a `Uint8Array` here.
return forceClamped ? new Uint8ClampedArray(subarray) : subarray;
}
};
Stream.prototype.peekByte = function () {
var peekedByte = this.getByte();
this.pos--;
return peekedByte;
};
Stream.prototype.peekBytes = function (length, forceClamped) {
if (forceClamped === void 0) { forceClamped = false; }
var bytes = this.getBytes(length, forceClamped);
this.pos -= bytes.length;
return bytes;
};
Stream.prototype.skip = function (n) {
if (!n) {
n = 1;
}
this.pos += n;
};
Stream.prototype.reset = function () {
this.pos = this.start;
};
Stream.prototype.moveStart = function () {
this.start = this.pos;
};
Stream.prototype.makeSubStream = function (start, length) {
return new Stream(this.bytes, start, length);
};
Stream.prototype.decode = function () {
return this.bytes;
};
return Stream;
}());
exports.default = Stream;
//# sourceMappingURL=Stream.js.map