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////////////////////////////////////////////////////////////////////////////

// ==UserScript===

// @name Userscripts.org Diff Extender

// @author Jerone UserScript Productions

// @namespace http://userscripts.org/users/31497

// @homepage http://userscripts.org/scripts/show/38909

// @description Add some handy features to the diff.

// @description Userscripts.org Diff Extender v2.2.1 Alpha

// @version v2.2.1 Alpha

// @browser FF17

// @include *userscripts.org/scripts/diff/*

// @grant none

// ==/UserScript==

/*//////////////////////////////////////////////////////////////////////////

// ToC:

// - Copyrights

// - History

// - Todo

// - Note

// - Userscript

// - Statistics

////////////////////////////////////////////////////////////////////////////

THIS SCRIPT IS PROVIDED BY THE AUTHOR `AS IS' AND ANY EXPRESS OR IMPLIED

WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SCRIPT, EVEN IF

ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

////////////////////////////////////////////////////////////////////////////

// History:

// [+] = added; [-] = removed; [/] = fixed; [*] = updated;

19-12-2008 16:00 [v1 Alpha]:

[+] initial release;

10-01-2009 17:45 [v1.1 Beta]:

[/] minor bug fix in numbering width;

[*] updated framework;

12-01-2009 16:30 [v1.1.1 Beta]:

[/] fixed site change;

31-01-2011 14:30 [v2.0 Alpha]:

[*] removed US Framework;

[*] clean up code;

19-03-2011 20:30 [v2.1 Alpha]:

[/] fixed styles bug;

[/] fixed to small numbering when lower then 10 lines;

[/] fixed bug with base64 in http://userscripts.org/scripts/diff/16750/48471

[/] partially fixed compatibility with other scripts;

24-10-2012 22:30 [v2.2 Alpha]:

[/] fixed removing cdata, because FF stopped supporting EX4;

28-10-2012 13:00 [v2.2.1 Alpha]:

[/] fixed working on https://userscripts.org;

////////////////////////////////////////////////////////////////////////////

// Todo:

// - show inline differences;

////////////////////////////////////////////////////////////////////////////

// Note:

// -

/*//////////////////////////////////////////////////////////////////////////

//*** USERSCRIPT ***//

(function(win, doc, und) {

var xPath = function(xpath, root){

var next,

got = doc.evaluate(xpath, root || doc, null, null, null),

result = [];

while((next = got.iterateNext())) result.push(next);

return result;

};

var UDE = {

init: function(){

var pre;

if((pre = doc.getElementById("content").getElementsByTagName("pre")[0])){

pre.style.paddingLeft = "15px";

pre.style.lineHeight = "17px";

pre.style.paddingTop = "0";

var scrollWidth = (Math.max(parseInt(pre.scrollWidth), 0) || 1000) + "px";

var css = " \

.diff { \

background-color: #EEEEEE; \

float: left; \

line-height: 17px; \

margin: 0; \

padding: 0 0 22px 0; \

border-color: #DDDDDD; \

border-style: solid; \

border-width: 1px 0 1px 3px; \

} \

.diffNr { \

font: 0.9em/1.5 'andale mono','lucida console',monospace; \

margin: 0; \

padding: 0; \

text-align: center !important; \

} \

.diffNr td { \

border: 0 none; \

min-width: 14px; \

padding: 0px 3px !important; \

text-align: center !important; \

} \

.diffMeta { \

background-color: #CCCCCC; \

} \

.diffAdd { \

background-color: #FF8888; \

} \

.diffDel { \

background-color: #99FF99; \

} \

.diffSim { \

float: left; \

margin-right: 5px; \

padding: 0px 5px 0px 4px; \

} \

var styler = doc.createElement("style");

styler.setAttribute("type", "text/css");

styler.appendChild(doc.createTextNode(css));

doc.getElementsByTagName("head")[0].appendChild(styler);

var wrapper = document.createElement("div");

wrapper.appendChild(pre.cloneNode(true));

pre.parentNode.replaceChild(wrapper, pre);

pre = wrapper.firstChild;

var div = doc.createElement("div");

div.className = "diff";

pre.parentNode.insertBefore(div, pre);

var table = doc.createElement("table");

table.width = "100%";

table.border = 0;

table.cellspacing = 0;

table.cellpadding = 0;

table.className = "diffNr";

div.appendChild(table);

xPath(".//div[@class='meta']", pre).forEach(function(meta){

meta.style.marginLeft = "-15px";

meta.style.width = scrollWidth;

var tr = doc.createElement("tr");

table.appendChild(tr);

var tdDel = doc.createElement("td");

tdDel.className = "diffMeta";

tdDel.width = "50%";

tdDel.appendChild(doc.createTextNode("-"));

tr.appendChild(tdDel);

var tdAdd = doc.createElement("td");

tdAdd.className = "diffMeta";

tdAdd.width = "50%";

tdAdd.appendChild(doc.createTextNode("+"));

tr.appendChild(tdAdd);

var iOld = meta.textContent.match(/^@@\s\-(\d+),\d+\s\+(\d+),\d+\s@@/)[1];

var iNew = meta.textContent.match(/^@@\s\-(\d+),\d+\s\+(\d+),\d+\s@@/)[2];

while(meta.nextSibling && meta.nextSibling.className!="meta"){

var temp = meta.nextSibling.textContent.split(/\n/);

temp.splice(-1, 1);

var tdDel, tdAdd;

temp.forEach(function(item){

var tr = doc.createElement("tr");

table.appendChild(tr);

tdDel = doc.createElement("td");

tr.appendChild(tdDel);

tdAdd = doc.createElement("td");

tr.appendChild(tdAdd);

if(!item.match(/^\+/)){

tdDel.className = "diffAdd";

tdDel.appendChild(doc.createTextNode(iOld));

iOld++;

}

if(!item.match(/^\-/)){

tdAdd.className = "diffDel";

tdAdd.appendChild(doc.createTextNode(iNew));

iNew++;

}

});

if(meta.nodeType===3){

tdDel.style.borderTop = "1px solid #FF8888";

tdAdd.style.borderTop = "1px solid #99FF99";

}

if(meta.nextSibling.nextSibling && meta.nextSibling.nextSibling.nodeType===3){

tdDel.style.borderBottom = "1px solid #FF8888";

tdAdd.style.borderBottom = "1px solid #99FF99";

}

meta = meta.nextSibling;

}

});

xPath(".//div[@class='del' or @class='add']", pre).forEach(function(del){

var temp = del.textContent;

del.style.width = scrollWidth;

del.style.marginLeft = "-15px";

del.style.borderColor = (/^\-/.test(temp) ? "#AA3333" : "#33AA33");

del.style.borderStyle = "solid";

del.style.borderWidth = (del.previousSibling.nodeType==3 ? "1px" : "0px") + " 1px " + (del.nextSibling.nodeType==3 ? "1px" : "0px") + " 1px";

while(del.hasChildNodes()) del.removeChild(del.firstChild);

del.appendChild(doc.createTextNode(temp.replace(/^[\+\-]/, "")));

var span = doc.createElement("span");

span.className = (/^\-/.test(temp) ? "diffAdd" : "diffDel") + " diffSim";

span.innerHTML = temp.match(/^[\+\-]/);

del.insertBefore(span, del.firstChild);

});

}

};

UDE.init(); // execute;

})(this, document);

//*** STATISTICS ***//

// Chars (exclude spaces): 6.091

// Chars (include spaces): 8.055

// Chars (Chinese): 0

// Words: 760

// Lines: 233

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