Sakurai/pdf.js
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Enable the spaced-comment ESLint rule

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Please see http://eslint.org/docs/rules/spaced-comment.

Note that the exceptions added for `line` comments are intended to still allow use of the old preprocessor without linting errors.
Also, I took the opportunity to improve the grammar slightly (w.r.t. capitalization and punctuation) for comments touched in the patch.
This commit is contained in:
Jonas Jenwald 2017-01-19 16:26:32 +01:00
parent a917443ae6
commit 4626fc8342
14 changed files with 53 additions and 47 deletions
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9
.eslintrc
View File

@ -105,5 +105,14 @@
"space-in-parens": ["error", "never"],
"space-infix-ops": ["error", { "int32Hint": false }],
"space-unary-ops": ["error", { "words": true, "nonwords": false, }],
"spaced-comment": ["error", "always", {
"line": {
"exceptions": ["//", "#else", "#endif"],
"markers": ["#if", "#elif", "#include", "#expand", "#error"],
},
"block": {
"balanced": true,
}
}],
},
}

23
src/core/crypto.js
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@ -1482,8 +1482,7 @@ var AES256Cipher = (function AES256CipherClosure() {
i < sourceLength; ++i, ++bufferLength) {
buffer[bufferLength] = data[i];
}
if (bufferLength < 16) {
//need more data
if (bufferLength < 16) { // Need more data.
this.bufferLength = bufferLength;
return new Uint8Array([]);
}
@ -1596,7 +1595,7 @@ var PDF17 = (function PDF17Closure() {
var hashData = new Uint8Array(password.length + 8);
hashData.set(password, 0);
hashData.set(userKeySalt, password.length);
//key is the decryption key for the UE string
// `key` is the decryption key for the UE string.
var key = calculateSHA256(hashData, 0, hashData.length);
var cipher = new AES256Cipher(key);
return cipher.decryptBlock(userEncryption,
@ -1617,7 +1616,7 @@ var PDF20 = (function PDF20Closure() {
}
function calculatePDF20Hash(password, input, userBytes) {
//This refers to Algorithm 2.B as defined in ISO 32000-2
// This refers to Algorithm 2.B as defined in ISO 32000-2.
var k = calculateSHA256(input, 0, input.length).subarray(0, 32);
var e = [0];
var i = 0;
@ -1630,16 +1629,14 @@ var PDF20 = (function PDF20Closure() {
for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {
k1.set(array, pos);
}
//AES128 CBC NO PADDING with
//first 16 bytes of k as the key and the second 16 as the iv.
// AES128 CBC NO PADDING with first 16 bytes of k as the key
// and the second 16 as the iv.
var cipher = new AES128Cipher(k.subarray(0, 16));
e = cipher.encrypt(k1, k.subarray(16, 32));
//Now we have to take the first 16 bytes of an unsigned
//big endian integer... and compute the remainder
//modulo 3.... That is a fairly large number and
//JavaScript isn't going to handle that well...
//So we're using a trick that allows us to perform
//modulo math byte by byte
// Now we have to take the first 16 bytes of an unsigned big endian
// integer and compute the remainder modulo 3. That is a fairly large
// number and JavaScript isn't going to handle that well, so we're using
// a trick that allows us to perform modulo math byte by byte.
var remainder = 0;
for (var z = 0; z < 16; z++) {
remainder *= (256 % 3);
@ -1716,7 +1713,7 @@ var PDF20 = (function PDF20Closure() {
var hashData = new Uint8Array(password.length + 8);
hashData.set(password, 0);
hashData.set(userKeySalt, password.length);
//key is the decryption key for the UE string
// `key` is the decryption key for the UE string.
var key = calculatePDF20Hash(password, hashData, []);
var cipher = new AES256Cipher(key);
return cipher.decryptBlock(userEncryption,

2
src/core/fonts.js
View File

@ -1369,7 +1369,7 @@ var Font = (function FontClosure() {
if (tag === 'head') {
// clearing checksum adjustment
data[8] = data[9] = data[10] = data[11] = 0;
data[17] |= 0x20; //Set font optimized for cleartype flag
data[17] |= 0x20; // Set font optimized for cleartype flag.
}
return {

2
src/core/jpg.js
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@ -709,7 +709,7 @@ var JpegImage = (function JpegImageClosure() {
z = dctZigZag[j];
tableData[z] = data[offset++];
}
} else if ((quantizationTableSpec >> 4) === 1) { //16 bit
} else if ((quantizationTableSpec >> 4) === 1) { // 16 bit values
for (j = 0; j < 64; j++) {
z = dctZigZag[j];
tableData[z] = readUint16();

2
src/core/unicode.js
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@ -1627,7 +1627,7 @@
function reverseIfRtl(chars) {
var charsLength = chars.length;
//reverse an arabic ligature
// Reverse an arabic ligature.
if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) {
return chars;
}

4
src/display/canvas.js
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@ -1710,10 +1710,10 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
}
return pattern;
},
setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) {
setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
this.current.strokeColor = this.getColorN_Pattern(arguments);
},
setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) {
setFillColorN: function CanvasGraphics_setFillColorN() {
this.current.fillColor = this.getColorN_Pattern(arguments);
this.current.patternFill = true;
},

2
src/display/dom_utils.js
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@ -71,7 +71,7 @@ var CustomStyle = (function CustomStyleClosure() {
}
}
//if all fails then set to undefined
// If all fails then set to undefined.
return (_cache[propName] = 'undefined');
};

2
web/firefoxcom.js
View File

@ -280,7 +280,7 @@ PDFViewerApplication.externalServices = {
},
};
//// l10n.js for Firefox extension expects services to be set.
// l10n.js for Firefox extension expects services to be set.
document.mozL10n.setExternalLocalizerServices({
getLocale: function () {
return FirefoxCom.requestSync('getLocale', null);

4
web/pdf_print_service.js
View File

@ -285,7 +285,7 @@
window.addEventListener('keydown', function(event) {
// Intercept Cmd/Ctrl + P in all browsers.
// Also intercept Cmd/Ctrl + Shift + P in Chrome and Opera
if (event.keyCode === 80/*P*/ && (event.ctrlKey || event.metaKey) &&
if (event.keyCode === /* P= */ 80 && (event.ctrlKey || event.metaKey) &&
!event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
window.print();
if (hasAttachEvent) {
@ -305,7 +305,7 @@
if (hasAttachEvent) {
document.attachEvent('onkeydown', function(event) {
event = event || window.event;
if (event.keyCode === 80/*P*/ && event.ctrlKey) {
if (event.keyCode === /* P= */ 80 && event.ctrlKey) {
event.keyCode = 0;
return false;
}