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| 'use strict';
function ArrayBuffer2string (ar) {
var i, res, ar8;
ar8 = new Uint8Array(ar);
res = '';
for (i = 0; i < ar8.length; i++) {
res += String.fromCharCode(ar8[i]);
}
return res;
}
// Skip 'delimiters'
function skip (delimeter) {
var last, char;
last = this.last;
if (this.ptr > last) { // end of buffer
return;
}
while (true) {
char = this.buf[this.ptr];
if (char.search(delimeter) === -1) { // end of gap
return true;
}
if (this.ptr === last) { // end of buffer
this.ptr++;
return;
}
this.ptr++;
}
}
function skipBuffer (delimeter) {
var last, char;
last = this.last;
if (this.ptr > last) { // end of buffer
return;
}
while (true) {
char = this.buf[this.ptr];
if (String.fromCharCode(char).search(delimeter) === -1) { // end of gap
return true;
}
if (this.ptr === last) { // end of buffer
this.ptr++;
return;
}
this.ptr++;
}
}
function skipArrayBuffer (delimeter) {
var last, char, buf8;
last = this.last;
if (this.ptr > last) { // end of buffer
return;
}
buf8 = new Uint8Array(this.buf);
while (true) {
char = buf8[this.ptr];
if (String.fromCharCode(char).search(delimeter) === -1) { // end of gap
return true;
}
if (this.ptr === last) { // end of buffer
this.ptr++;
return;
}
this.ptr++;
}
}
// Parse characters ccc delimited by 'delimeter'
function take (delimeter) {
var start, last, res;
last = this.last;
start = this.ptr;
while (true) {
if (
(this.ptr > last) ||
(this.buf[this.ptr].search(delimeter) === 0)
) { // good part
res = this.buf.slice(start, this.ptr);
return res;
}
this.ptr++;
}
}
function takeBuffer (delimeter) {
var start, last, res;
last = this.last;
start = this.ptr;
while (true) {
if (
(this.ptr > last) ||
(String.fromCharCode(this.buf[this.ptr]).search(delimeter) === 0)
) { // good part
res = this.buf.slice(start, this.ptr).toString();
return res;
}
this.ptr++;
}
}
function takeArrayBuffer (delimeter) {
var start, res, last, buf, buf8;
last = this.last;
start = this.ptr;
buf = this.buf;
buf8 = new Uint8Array(buf);
while (true) {
if (
(this.ptr > last) ||
(String.fromCharCode(buf8[this.ptr]).search(delimeter) === 0)
) { // good part
res = buf.slice(start, this.ptr);
res = ArrayBuffer2string(res);
return res;
}
this.ptr++;
}
}
function str (delimeter) {
var res;
if (skip.call(this, delimeter) === undefined) {
return;
};
// console.log('skip --> %s', this.ptr);
res = take.call(this, delimeter);
// console.log('take --> %s %s', this.ptr, res);
return res;
}
function buf (delimeter) {
var res;
if (skipBuffer.call(this, delimeter) === undefined) {
return;
};
// console.log('skip --> %s', this.ptr);
res = takeBuffer.call(this, delimeter);
// console.log('take --> %s %s', this.ptr, res);
return res;
}
function arr (delimeter) {
var res;
if (skipArrayBuffer.call(this, delimeter) === undefined) {
return;
};
// console.log('skip --> %s', this.ptr);
res = takeArrayBuffer.call(this, delimeter);
// console.log('take --> %s %s', this.ptr, res);
return res;
}
module.exports = {
str: str,
buf: buf,
arr: arr
};
|