loading next page and inserting into current page.
// ==UserScript==
// @name AutoPagerize
// @namespace http://swdyh.yu.to/
// @description loading next page and inserting into current page.
// @include http://*
// @include https://*
// @exclude https://mail.google.com/*
// @exclude http://b.hatena.ne.jp/*
// @exclude http://www.facebook.com/plugins/like.php*
// @exclude http://api.tweetmeme.com/button.js*
// @version 0.0.66
// @icon http://autopagerize.net/img/icons/icon_032.png
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addStyle
// @grant GM_log
// @grant GM_xmlhttpRequest
// @grant GM_registerMenuCommand
// ==/UserScript==
//
// auther: swdyh http://d.hatena.ne.jp/swdyh/
// version: 0.0.66 2012-08-31T18:23:34+09:00
//
// this script based on
// GoogleAutoPager(http://la.ma.la/blog/diary_200506231749.htm) and
// estseek autopager(http://la.ma.la/blog/diary_200601100209.htm).
// thanks to ma.la.
//
// Released under the GPL license
// http://www.gnu.org/copyleft/gpl.html
//
if (isGreasemonkey()) {
var ep = getPref('exclude_patterns')
if (ep && isExclude(ep)) {
// FIXME
// return
}
}
else {
gmCompatible()
}
var URL = 'http://autopagerize.net/'
var VERSION = '0.0.66'
var DEBUG = false
var AUTO_START = true
var CACHE_EXPIRE = 24 * 60 * 60 * 1000
var BASE_REMAIN_HEIGHT = 400
var FORCE_TARGET_WINDOW = getPref('force_target_window', true)
var XHR_TIMEOUT = 30 * 1000
var SITEINFO_IMPORT_URLS = [
'http://wedata.net/databases/AutoPagerize/items.json',
]
var COLOR = {
on: '#0f0',
off: '#ccc',
loading: '#0ff',
terminated: '#00f',
error: '#f0f'
}
var SITEINFO = [
/* sample
{
url: 'http://(.*).google.+/(search).+',
nextLink: 'id("navbar")//td[last()]/a',
pageElement: '//div[@id="res"]/div',
exampleUrl: 'http://www.google.com/search?q=nsIObserver',
},
*/
/* template
{
url: '',
nextLink: '',
pageElement: '',
exampleUrl: '',
},
*/
]
var MICROFORMAT = {
url: '.*',
nextLink: '//a[@rel="next"] | //link[@rel="next"]',
insertBefore: '//*[contains(@class, "autopagerize_insert_before")]',
pageElement: '//*[contains(@class, "autopagerize_page_element")]',
}
var AutoPager = function(info) {
this.pageNum = 1
this.info = info
this.state = AUTO_START ? 'enable' : 'disable'
var self = this
var url = this.getNextURL(info.nextLink, document, location.href)
if ( !url ) {
debug("getNextURL returns null.", info.nextLink)
return
}
if (info.insertBefore) {
this.insertPoint = getFirstElementByXPath(info.insertBefore)
}
if (!this.insertPoint) {
var lastPageElement = getElementsByXPath(info.pageElement).pop()
if (lastPageElement) {
this.insertPoint = lastPageElement.nextSibling ||
lastPageElement.parentNode.appendChild(document.createTextNode(' '))
}
}
if (!this.insertPoint) {
debug("insertPoint not found.", lastPageElement, info.pageElement)
return
}
this.requestURL = url
this.loadedURLs = {}
this.loadedURLs[location.href] = true
var toggle = function() {self.stateToggle()}
this.toggle = toggle
GM_registerMenuCommand('AutoPagerize - on/off', toggle)
this.scroll= function() { self.onScroll() }
window.addEventListener("scroll", this.scroll, false)
if (isFirefoxExtension()) {
var div = document.createElement("div")
div.setAttribute('id', 'autopagerize_icon')
div.style.display = 'none'
document.body.appendChild(div)
this.icon = div
}
else if (isChromeExtension() || isSafariExtension() || isJetpack()) {
var frame = document.createElement('iframe')
frame.style.display = 'none'
frame.style.position = 'fixed'
frame.style.bottom = '0px'
frame.style.left = '0px'
frame.style.height = '25px'
frame.style.border = '0px'
frame.style.opacity = '0.8'
frame.style.zIndex = '1000'
frame.width = '100%'
frame.scrolling = 'no'
this.messageFrame = frame
var u = settings['extension_path'] ?
settings['extension_path'] + 'loading.html' :
'http://autopagerize.net/files/loading.html'
this.messageFrame.src = u
document.body.appendChild(frame)
if (isSafariExtension()) {
safari.self.tab.dispatchMessage('launched', {url: location.href })
}
else if (isChromeExtension()) {
chrome.extension.connect({name: "launched"}).postMessage()
}
if (isJetpack()) {
postMessage({name: 'launched', data: location.href })
}
}
else {
this.initIcon()
this.initHelp()
GM_addStyle('@media print{#autopagerize_icon, #autopagerize_help {display: none !important;}}')
GM_addStyle('hr.autopagerize_page_separator {clear: both;}')
this.icon.addEventListener("mouseover", function() {
self.viewHelp()
}, true)
}
var scrollHeight = getScrollHeight()
var bottom = getElementPosition(this.insertPoint).top ||
this.getPageElementsBottom() ||
(Math.round(scrollHeight * 0.8))
this.remainHeight = scrollHeight - bottom + BASE_REMAIN_HEIGHT
this.onScroll()
var that = this
document.addEventListener('AutoPagerizeToggleRequest', function() {
that.toggle()
}, false)
document.addEventListener('AutoPagerizeUpdateIconRequest', function() {
that.updateIcon()
}, false)
that.updateIcon()
}
AutoPager.prototype.getPageElementsBottom = function() {
try {
var elem = getElementsByXPath(this.info.pageElement).pop()
return getElementBottom(elem)
}
catch(e) {}
}
AutoPager.prototype.initHelp = function() {
var helpDiv = document.createElement('div')
helpDiv.setAttribute('id', 'autopagerize_help')
helpDiv.setAttribute('style', 'padding:5px;position:fixed;' +
'top:-200px;right:3px;font-size:10px;' +
'background:#fff;color:#000;border:1px solid #ccc;' +
'z-index:256;text-align:left;font-weight:normal;' +
'line-height:120%;font-family:verdana;')
var toggleDiv = document.createElement('div')
toggleDiv.setAttribute('style', 'margin:0 0 0 50px;')
var a = document.createElement('a')
a.setAttribute('class', 'autopagerize_link')
a.innerHTML = 'on/off'
a.href = 'javascript:void(0)'
var self = this
var toggle = function() {
self.stateToggle()
helpDiv.style.top = '-200px'
}
a.addEventListener('click', toggle, false)
toggleDiv.appendChild(a)
var s = '<div style="width:100px; float:left;">'
for (var i in COLOR) {
s += '<div style="float:left;width:1em;height:1em;' +
'margin:0 3px;background-color:' + COLOR[i] + ';' +
'"></div><div style="margin:0 3px">' + i + '</div>'
}
s += '</div>'
var colorDiv = document.createElement('div')
colorDiv.innerHTML = s
helpDiv.appendChild(colorDiv)
helpDiv.appendChild(toggleDiv)
var versionDiv = document.createElement('div')
versionDiv.setAttribute('style', 'clear:both;')
versionDiv.innerHTML = '<a href="' + URL +
'">AutoPagerize</a> ver ' + VERSION
helpDiv.appendChild(versionDiv)
document.body.appendChild(helpDiv)
var proc = function(e) {
var c_style = document.defaultView.getComputedStyle(helpDiv, '')
var s = ['top', 'left', 'height', 'width'].map(function(i) {
return parseInt(c_style.getPropertyValue(i)) })
if (e.clientX < s[1] || e.clientX > (s[1] + s[3] + 11) ||
e.clientY < s[0] || e.clientY > (s[0] + s[2] + 11)) {
helpDiv.style.top = '-200px'
}
}
helpDiv.addEventListener('mouseout', proc, false)
this.helpLayer = helpDiv
GM_addStyle('#autopagerize_help a { color: #0f0; text-decoration: underline;}')
}
AutoPager.prototype.viewHelp = function() {
this.helpLayer.style.top = '3px'
}
AutoPager.prototype.onScroll = function() {
var scrollHeight = Math.max(document.documentElement.scrollHeight,
document.body.scrollHeight)
var remain = scrollHeight - window.innerHeight - window.scrollY
if (this.state == 'enable' && remain < this.remainHeight) {
this.request()
}
}
AutoPager.prototype.stateToggle = function() {
if (this.state == 'enable') {
this.disable()
}
else {
this.enable()
}
}
AutoPager.prototype.enable = function() {
this.state = 'enable'
this.updateIcon()
}
AutoPager.prototype.disable = function() {
this.state = 'disable'
this.updateIcon()
}
AutoPager.prototype.updateIcon = function(state) {
var st = state || this.state
var rename = {'enable': 'on', 'disable': 'off' }
if (rename[st]) {
st = rename[st]
}
var color = COLOR[st]
if (color) {
if (isFirefoxExtension()) {
chlorine.pageAction.update(color, location.href)
}
else if (isChromeExtension()) {
chrome.extension.connect({name: "pageActionChannel"}).postMessage(color)
}
else if (isSafariExtension() || isJetpack()) {
}
else {
this.icon.style.background = color
}
}
}
AutoPager.prototype.request = function() {
if (!this.requestURL || this.lastRequestURL == this.requestURL) {
return
}
this.lastRequestURL = this.requestURL
var self = this
var mime = 'text/html; charset=' + document.characterSet
var headers = {}
if (isSameDomain(this.requestURL)) {
headers.Cookie = document.cookie
}
else {
this.error()
return
}
var opt = {
method: 'get',
url: this.requestURL,
headers: headers,
overrideMimeType: mime,
onerror: function(res) {
self.error()
},
onload: function(res) {
if (res.finalUrl) {
var url_s = res.finalUrl.split(/[\/\?]/)
if (url_s[0] == location.protocol && location.host == url_s[2]) {
self.requestLoad.apply(self, [res])
return
}
}
self.error()
}
}
AutoPager.requestFilters.forEach(function(i) { i(opt) }, this)
if (opt.stop) {
this.requestURL = opt.url
}
else {
this.showLoading(true)
GM_xmlhttpRequest(opt)
}
}
AutoPager.prototype.showLoading = function(sw) {
if (sw) {
this.updateIcon('loading')
if (this.messageFrame && settings['display_message_bar']) {
this.messageFrame.style.display = 'block'
}
}
else {
this.updateIcon('enable')
if (this.messageFrame) {
this.messageFrame.style.display = 'none'
}
}
}
AutoPager.prototype.requestLoad = function(res) {
AutoPager.responseFilters.forEach(function(i) {
i(res, this.requestURL)
}, this)
var htmlDoc = createHTMLDocumentByString(res.responseText)
AutoPager.documentFilters.forEach(function(i) {
i(htmlDoc, this.requestURL, this.info)
}, this)
try {
var page = getElementsByXPath(this.info.pageElement, htmlDoc)
var url = this.getNextURL(this.info.nextLink, htmlDoc, this.requestURL)
}
catch(e){
log(e)
this.error()
return
}
if (!page || page.length < 1 ) {
debug('pageElement not found.' , this.info.pageElement)
this.terminate()
return
}
if (this.loadedURLs[this.requestURL]) {
debug('page is already loaded.', this.requestURL, this.info.nextLink)
this.terminate()
return
}
this.loadedURLs[this.requestURL] = true
page = this.addPage(htmlDoc, page)
AutoPager.filters.forEach(function(i) {
i(page)
})
this.requestURL = url
this.showLoading(false)
this.onScroll()
if (!url) {
debug('nextLink not found.', this.info.nextLink, htmlDoc)
this.terminate()
}
var ev = document.createEvent('Event')
ev.initEvent('GM_AutoPagerizeNextPageLoaded', true, false)
document.dispatchEvent(ev)
}
AutoPager.prototype.addPage = function(htmlDoc, page) {
var HTML_NS = 'http://www.w3.org/1999/xhtml'
var hr = document.createElementNS(HTML_NS, 'hr')
var p = document.createElementNS(HTML_NS, 'p')
hr.setAttribute('class', 'autopagerize_page_separator')
p.setAttribute('class', 'autopagerize_page_info')
var self = this
if (page[0] && /tr/i.test(page[0].tagName)) {
var insertParent = this.insertPoint.parentNode
var colNodes = getElementsByXPath('child::tr[1]/child::*[self::td or self::th]', insertParent)
var colums = 0
for (var i = 0, l = colNodes.length; i < l; i++) {
var col = colNodes[i].getAttribute('colspan')
colums += parseInt(col, 10) || 1
}
var td = document.createElement('td')
// td.appendChild(hr)
td.appendChild(p)
var tr = document.createElement('tr')
td.setAttribute('colspan', colums)
tr.appendChild(td)
insertParent.insertBefore(tr, this.insertPoint)
}
else {
this.insertPoint.parentNode.insertBefore(hr, this.insertPoint)
this.insertPoint.parentNode.insertBefore(p, this.insertPoint)
}
p.innerHTML = 'page: <a class="autopagerize_link" href="' +
this.requestURL.replace(/&/g, '&') + '">' + (++this.pageNum) + '</a>'
return page.map(function(i) {
var pe = document.importNode(i, true)
self.insertPoint.parentNode.insertBefore(pe, self.insertPoint)
var ev = document.createEvent('MutationEvent')
ev.initMutationEvent('AutoPagerize_DOMNodeInserted', true, false,
self.insertPoint.parentNode, null,
self.requestURL, null, null)
pe.dispatchEvent(ev)
return pe
})
}
AutoPager.prototype.initIcon = function() {
var div = document.createElement("div")
div.setAttribute('id', 'autopagerize_icon')
with (div.style) {
fontSize = '12px'
position = 'fixed'
top = '3px'
right = '3px'
background = COLOR['on']
color = '#fff'
width = '10px'
height = '10px'
zIndex = '255'
if (this.state != 'enable') {
background = COLOR['off']
}
}
document.body.appendChild(div)
this.icon = div
}
AutoPager.prototype.getNextURL = function(xpath, doc, url) {
var nextLink = getFirstElementByXPath(xpath, doc)
if (nextLink) {
var nextValue = nextLink.getAttribute('href') ||
nextLink.getAttribute('action') || nextLink.value
if (nextValue.match(/^http(s)?:/)) {
return nextValue
}
else {
var base = getFirstElementByXPath('//base[@href]', doc)
return resolvePath(nextValue, (base ? base.href : url))
}
}
}
AutoPager.prototype.terminate = function() {
window.removeEventListener('scroll', this.scroll, false)
this.updateIcon('terminated')
var self = this
setTimeout(function() {
if (self.icon) {
self.icon.parentNode.removeChild(self.icon)
}
if (isSafariExtension()) {
var mf = self.messageFrame
mf.parentNode.removeChild(mf)
}
}, 1500)
}
AutoPager.prototype.error = function() {
this.updateIcon('error')
window.removeEventListener('scroll', this.scroll, false)
if (isSafariExtension() || isChromeExtension() || isJetpack()) {
var mf = this.messageFrame
var u = settings['extension_path'] ?
settings['extension_path'] + 'error.html' :
'http://autopagerize.net/files/error.html'
mf.src = u
mf.style.display = 'block'
setTimeout(function() {
mf.parentNode.removeChild(mf)
}, 3000)
}
}
AutoPager.documentFilters = []
AutoPager.requestFilters = []
AutoPager.responseFilters = []
AutoPager.filters = []
var parseInfo = function(str) {
var lines = str.split(/\r\n|\r|\n/)
var re = /(^[^:]*?):(.*)$/
var strip = function(str) {
return str.replace(/^\s*/, '').replace(/\s*$/, '')
}
var info = {}
for (var i = 0; i < lines.length; i++) {
if (lines[i].match(re)) {
info[RegExp.$1] = strip(RegExp.$2)
}
}
var isValid = function(info) {
var infoProp = ['url', 'nextLink', 'pageElement']
for (var i = 0; i < infoProp.length; i++) {
if (!info[infoProp[i]]) {
return false
}
}
return true
}
return isValid(info) ? info : null
}
var launchAutoPager = function(list) {
if (list.length == 0) {
return
}
for (var i = 0; i < list.length; i++) {
try {
if (ap) {
return
}
else if (!location.href.match(list[i].url)) {
}
else if (!getFirstElementByXPath(list[i].nextLink)) {
// FIXME microformats case detection.
// limiting greater than 12 to filter microformats like SITEINFOs.
if (list[i].url.length > 12 ) {
debug("nextLink not found.", list[i].nextLink)
}
}
else if (!getFirstElementByXPath(list[i].pageElement)) {
if (list[i].url.length > 12 ) {
debug("pageElement not found.", list[i].pageElement)
}
}
else {
ap = new AutoPager(list[i])
return
}
}
catch(e) {
log(e)
continue
}
}
}
var clearCache = function() {
GM_setValue('cacheInfo', '')
}
var getCache = function() {
try {
return JSON.parse(GM_getValue('cacheInfo')) || {}
}
catch(e) {
return {}
}
}
var getCacheCallback = function(res, url) {
if (res.status != 200) {
return getCacheErrorCallback(url)
}
var info
try {
info = JSON.parse(res.responseText).map(function(i) { return i.data })
}
catch(e) {
info = []
}
if (info.length > 0) {
info = info.filter(function(i) { return ('url' in i) })
info.sort(function(a, b) { return (b.url.length - a.url.length) })
var r_keys = ['url', 'nextLink', 'insertBefore', 'pageElement']
info = info.map(function(i) {
var item = {}
r_keys.forEach(function(key) {
if (i[key]) {
item[key] = i[key]
}
})
return item
})
cacheInfo[url] = {
url: url,
expire: new Date(new Date().getTime() + CACHE_EXPIRE),
info: info
}
GM_setValue('cacheInfo', JSON.stringify(cacheInfo))
launchAutoPager(info)
}
else {
getCacheErrorCallback(url)
}
}
var getCacheErrorCallback = function(url) {
var expire = new Date(new Date().getTime() + CACHE_EXPIRE)
if (cacheInfo[url]) {
cacheInfo[url].expire = expire
launchAutoPager(cacheInfo[url].info)
}
else {
cacheInfo[url] = {
url: url,
expire: expire,
info: []
}
}
GM_setValue('cacheInfo', cacheInfo.toSource())
}
var linkFilter = function(doc, url) {
var base = getFirstElementByXPath('//base[@href]', doc)
var baseUrl = base ? base.href : url
var isSameBase = isSameBaseUrl(location.href, baseUrl)
if (!FORCE_TARGET_WINDOW && isSameBase) {
return
}
var anchors = getElementsByXPath('descendant-or-self::a[@href]', doc)
anchors.forEach(function(i) {
var attrHref = i.getAttribute('href')
if (FORCE_TARGET_WINDOW && !attrHref.match(/^#|^javascript:/) &&
i.className.indexOf('autopagerize_link') < 0) {
i.target = '_blank'
}
if (!isSameBase && !attrHref.match(/^#|^\w+:/)) {
i.href = resolvePath(i.getAttribute('href'), baseUrl)
}
})
if (!isSameBase) {
var images = getElementsByXPath('descendant-or-self::img', doc)
images.forEach(function(i) {
i.src = resolvePath(i.getAttribute('src'), baseUrl)
})
}
}
AutoPager.documentFilters.push(linkFilter)
fixResolvePath()
if (typeof(window.AutoPagerize) == 'undefined') {
window.AutoPagerize = {}
window.AutoPagerize.addFilter = function(f) {
AutoPager.filters.push(f)
}
window.AutoPagerize.addDocumentFilter = function(f) {
AutoPager.documentFilters.push(f)
}
window.AutoPagerize.addResponseFilter = function(f) {
AutoPager.responseFilters.push(f)
}
window.AutoPagerize.addRequestFilter = function(f) {
AutoPager.requestFilters.push(f)
}
window.AutoPagerize.launchAutoPager = launchAutoPager
var ev = document.createEvent('Event')
ev.initEvent('GM_AutoPagerizeLoaded', true, false)
document.dispatchEvent(ev)
}
var settings = {}
var ap = null
if (isChromeExtension()) {
var port = chrome.extension.connect({name: "settingsChannel"})
port.postMessage()
port.onMessage.addListener(function(res) {
settings = res
if (res['exclude_patterns'] && isExclude(res['exclude_patterns'])) {
return
}
launchAutoPager(SITEINFO)
var port_ = chrome.extension.connect({name: "siteinfoChannel"})
port_.postMessage({ url: location.href })
port_.onMessage.addListener(function(res) {
launchAutoPager(res)
chrome.extension.onConnect.addListener(function(port) {
if (port.name == "toggleRequestChannel") {
port.onMessage.addListener(function(msg) {
if (ap) {
ap.toggle()
}
})
}
})
})
})
}
else if (isSafariExtension()) {
var re_exclude = /^(about:|safari-extension:)/
if (!location.href.match(re_exclude)) {
safari.self.addEventListener('message', function(event) {
if (event.name === 'settings') {
settings = event.message
safari.self.tab.dispatchMessage('siteinfoChannel', {url: location.href })
}
else if (event.name === 'siteinfoChannel') {
if (!settings['exclude_patterns'] || !isExclude(settings['exclude_patterns'])) {
launchAutoPager(SITEINFO)
launchAutoPager([MICROFORMAT])
launchAutoPager(event.message)
}
}
else if (event.name === 'toggleRequestChannel') {
if (ap) {
ap.toggle()
}
}
else if (event.name === 'updateSettings') {
settings = event.message
}
}, false)
safari.self.tab.dispatchMessage('settings')
}
}
else if (isJetpack()) {
postMessage({ name: 'settings' })
onMessage = function(message) {
if (message.name == 'siteinfo') {
// launchAutoPager(SITEINFO)
launchAutoPager(message.data)
}
else if (message.name == 'settings') {
settings = message.data
if (settings['exclude_patterns'] && isExclude(settings['exclude_patterns'])) {
// return
}
else {
postMessage({ name: 'siteinfo', url: location.href })
launchAutoPager([MICROFORMAT])
}
}
}
}
else {
launchAutoPager(SITEINFO)
GM_registerMenuCommand('AutoPagerize - clear cache', clearCache)
var cacheInfo = getCache()
var xhrStates = {}
SITEINFO_IMPORT_URLS.forEach(function(i) {
if (!cacheInfo[i] || new Date(cacheInfo[i].expire) < new Date()) {
var opt = {
method: 'get',
url: i,
onload: function(res) {
xhrStates[i] = 'loaded'
getCacheCallback(res, i)
},
onerror: function(res){
xhrStates[i] = 'error'
getCacheErrorCallback(i)
},
}
xhrStates[i] = 'start'
GM_xmlhttpRequest(opt)
setTimeout(function() {
if (xhrStates[i] == 'start') {
getCacheErrorCallback(i)
}
}, XHR_TIMEOUT)
}
else {
launchAutoPager(cacheInfo[i].info)
}
})
launchAutoPager([MICROFORMAT])
}
// new google search sucks!
if (location.href.match('^http://[^.]+\.google\.(?:[^.]{2,3}\.)?[^./]{2,3}/.*(&fp=)')) {
var to = location.href.replace(/&fp=.*/, '')
// console.log([location.href, to])
location.href = to
}
// utility functions.
function createHTMLDocumentByString(str) {
if (document.documentElement.nodeName != 'HTML') {
return new DOMParser().parseFromString(str, 'application/xhtml+xml')
}
var html = strip_html_tag(str)
var htmlDoc
try {
// We have to handle exceptions since Opera 9.6 throws
// a NOT_SUPPORTED_ERR exception for |document.cloneNode(false)|
// against the DOM 3 Core spec.
htmlDoc = document.cloneNode(false)
htmlDoc.appendChild(htmlDoc.importNode(document.documentElement, false))
}
catch(e) {
htmlDoc = document.implementation.createDocument(null, 'html', null)
}
var fragment = createDocumentFragmentByString(html)
try {
fragment = htmlDoc.adoptNode(fragment)
}
catch(e) {
fragment = htmlDoc.importNode(fragment, true)
}
htmlDoc.documentElement.appendChild(fragment)
return htmlDoc
}
function getElementsByXPath(xpath, node) {
var nodesSnapshot = getXPathResult(xpath, node,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE)
var data = []
for (var i = 0; i < nodesSnapshot.snapshotLength; i++) {
data.push(nodesSnapshot.snapshotItem(i))
}
return data
}
function getFirstElementByXPath(xpath, node) {
var result = getXPathResult(xpath, node,
XPathResult.FIRST_ORDERED_NODE_TYPE)
return result.singleNodeValue
}
function getXPathResult(xpath, node, resultType) {
var node = node || document
var doc = node.ownerDocument || node
var resolver = doc.createNSResolver(node.documentElement || node)
// Use |node.lookupNamespaceURI('')| for Opera 9.5
// A workaround for bugs of Node.lookupNamespaceURI(null)
// https://bugzilla.mozilla.org/show_bug.cgi?id=693615
// https://bugzilla.mozilla.org/show_bug.cgi?id=694754
var defaultNS = null
try {
// This follows the spec: http://www.w3.org/TR/DOM-Level-3-Core/namespaces-algorithms.html#lookupNamespaceURIAlgo
if (node.nodeType == node.DOCUMENT_NODE) {
defaultNS = node.documentElement.lookupNamespaceURI(null)
}
else {
defaultNS = node.lookupNamespaceURI(null)
}
}
catch(e) {}
if (defaultNS) {
const defaultPrefix = '__default__'
xpath = addDefaultPrefix(xpath, defaultPrefix)
var defaultResolver = resolver
resolver = function (prefix) {
return (prefix == defaultPrefix)
? defaultNS : defaultResolver.lookupNamespaceURI(prefix)
}
}
return doc.evaluate(xpath, node, resolver, resultType, null)
}
function addDefaultPrefix(xpath, prefix) {
const tokenPattern = /([A-Za-z_\u00c0-\ufffd][\w\-.\u00b7-\ufffd]*|\*)\s*(::?|\()?|(".*?"|'.*?'|\d+(?:\.\d*)?|\.(?:\.|\d+)?|[\)\]])|(\/\/?|!=|[<>]=?|[\(\[|,=+-])|([@$])/g
const TERM = 1, OPERATOR = 2, MODIFIER = 3
var tokenType = OPERATOR
prefix += ':'
function replacer(token, identifier, suffix, term, operator, modifier) {
if (suffix) {
tokenType =
(suffix == ':' || (suffix == '::' &&
(identifier == 'attribute' || identifier == 'namespace')))
? MODIFIER : OPERATOR
}
else if (identifier) {
if (tokenType == OPERATOR && identifier != '*') {
token = prefix + token
}
tokenType = (tokenType == TERM) ? OPERATOR : TERM
}
else {
tokenType = term ? TERM : operator ? OPERATOR : MODIFIER
}
return token
}
return xpath.replace(tokenPattern, replacer)
}
function createDocumentFragmentByString(str) {
var range = document.createRange()
range.setStartAfter(document.body)
return range.createContextualFragment(str)
}
function log(message) {
if (typeof console == 'object') {
console.log(message)
}
else {
GM_log(message)
}
}
function debug() {
if ( typeof DEBUG != 'undefined' && DEBUG ) {
if (console.log.apply) {
console.log.apply(console, arguments)
}
else {
Function.prototype.apply.apply(console.log, [console, arguments])
}
}
}
function getElementPosition(elem) {
var offsetTrail = elem
var offsetLeft = 0
var offsetTop = 0
while (offsetTrail) {
offsetLeft += offsetTrail.offsetLeft
offsetTop += offsetTrail.offsetTop
offsetTrail = offsetTrail.offsetParent
}
offsetTop = offsetTop || null
offsetLeft = offsetLeft || null
return {left: offsetLeft, top: offsetTop}
}
function getElementBottom(elem) {
var c_style = document.defaultView.getComputedStyle(elem, '')
var height = 0
var prop = ['height', 'borderTopWidth', 'borderBottomWidth',
'paddingTop', 'paddingBottom',
'marginTop', 'marginBottom']
prop.forEach(function(i) {
var h = parseInt(c_style[i])
if (typeof h == 'number') {
height += h
}
})
var top = getElementPosition(elem).top
return top ? (top + height) : null
}
function getScrollHeight() {
return Math.max(document.documentElement.scrollHeight,
document.body.scrollHeight)
}
function isSameDomain(url) {
if (url.match(/^\w+:/)) {
var url_s = url.split(/[\/\?]/)
return url_s[0] == location.protocol && location.host == url_s[2]
}
else {
return true
}
}
function isSameBaseUrl(urlA, urlB) {
return (urlA.replace(/[^/]+$/, '') == urlB.replace(/[^/]+$/, ''))
}
function resolvePath(path, base) {
if (path.match(/^https?:\/\//)) {
return path
}
if (path.match(/^\?/)) {
return base.replace(/\?.+$/, '') + path;
}
if (path.match(/^[^\/]/)) {
return base.replace(/[^/]+$/, '') + path
}
else {
return base.replace(/([^/]+:\/\/[^/]+)\/.*/, '\$1') + path
}
}
function fixResolvePath() {
if (resolvePath('', 'http://resolve.test/') == 'http://resolve.test/') {
return
}
// A workaround for WebKit and Mozilla 1.9.2a1pre,
// which don't support XML Base in HTML.
// https://bugs.webkit.org/show_bug.cgi?id=17423
// https://bugzilla.mozilla.org/show_bug.cgi?id=505783
var XML_NS = 'http://www.w3.org/XML/1998/namespace'
var baseElement = document.createElementNS(null, 'base')
var pathElement = document.createElementNS(null, 'path')
baseElement.appendChild(pathElement)
resolvePath = function resolvePath_workaround(path, base) {
baseElement.setAttributeNS(XML_NS, 'xml:base', base)
pathElement.setAttributeNS(XML_NS, 'xml:base', path)
return pathElement.baseURI
}
}
function strip_html_tag(str) {
var chunks = str.split(/(<html(?:[ \t\r\n][^>]*)?>)/)
if (chunks.length >= 3) {
chunks.splice(0, 2)
}
str = chunks.join('')
chunks = str.split(/(<\/html[ \t\r\n]*>)/)
if (chunks.length >= 3) {
chunks.splice(chunks.length - 2)
}
return chunks.join('')
}
function getPref(key, defaultValue) {
var value = GM_getValue(key)
return (typeof value == 'undefined') ? defaultValue : value
}
function wildcard2regep(str) {
return '^' + str.replace(/([-()\[\]{}+?.$\^|,:#<!\\])/g, '\\$1').replace(/\x08/g, '\\x08').replace(/\*/g, '.*')
}
function isExclude(patterns) {
var rr = /^\/(.+)\/$/
var eps = (patterns || '').split(/[\r\n ]+/)
for (var i = 0; i < eps.length; i++) {
var reg = null
if (rr.test(eps[i])) {
reg = eps[i].match(rr)[1]
}
else {
reg = wildcard2regep(eps[i])
}
if (location.href.match(reg)) {
return true
}
}
return false
}
// obsolete
function isFirefoxExtension() {
return (typeof chlorine == 'object')
}
function isChromeExtension() {
return (typeof chrome == 'object') &&
(typeof chrome.extension == 'object')
}
function isSafariExtension() {
return (typeof safari == 'object') &&
(typeof safari.extension == 'object')
}
function isGreasemonkey() {
return (typeof GM_log == 'function')
}
function isJetpack() {
// isFirefoxExtension is obsolete
return (!isGreasemonkey() && !isSafariExtension() &&
!isChromeExtension() && !isFirefoxExtension())
}
function gmCompatible() {
GM_registerMenuCommand = function() {}
GM_setValue = function() {}
GM_getValue = function() {}
GM_addStyle = function() {}
uneval = function() {}
fixResolvePath = function() {}
resolvePath = function (path, base) { return path }
if (isChromeExtension() || isSafariExtension()) {
createHTMLDocumentByString = function(str) {
if (document.documentElement.nodeName != 'HTML') {
return new DOMParser().parseFromString(str, 'application/xhtml+xml')
}
// FIXME
var html = str.replace(/<script(?:[ \t\r\n][^>]*)?>[\S\s]*?<\/script[ \t\r\n]*>|<\/?(?:i?frame|html|script|object)(?:[ \t\r\n][^<>]*)?>/gi, ' ')
var htmlDoc = document.implementation.createHTMLDocument ?
document.implementation.createHTMLDocument('apfc') :
document.implementation.createDocument(null, 'html', null)
var range = document.createRange()
range.selectNodeContents(document.documentElement)
htmlDoc.documentElement.appendChild(range.createContextualFragment(html))
return htmlDoc
}
}
return true
}