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https://github.com/ether/etherpad-lite.git
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added Pad model via Joose, PadManager is a lot cleaner now.
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Hans Pinckaers
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7fb631b922
commit
499c560abd
5 changed files with 167 additions and 223 deletions
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@ -19,13 +19,7 @@ The Pad Module trys to simulate the pad object from EtherPad. You can find the o
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see https://github.com/ether/pad/blob/master/etherpad/src/etherpad/pad/model.js
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*/
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var Changeset = require("./Changeset");
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var AttributePoolFactory = require("./AttributePoolFactory");
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/**
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* The initial Text of a Pad
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*/
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exports.startText = "Welcome to Etherpad Lite. This pad text is synchronized as you type, so that everyone viewing this page sees the same text.";
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var Changeset = require("./Models/Pad");
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/**
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* A Array with all known Pads
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@ -39,29 +33,20 @@ globalPads = [];
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*/
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exports.getPad = function(id, createIfNotExist)
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{
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if(!globalPads[id] && createIfNotExist == true)
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var pad = globalPads[id];
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if(!pad && createIfNotExist == true)
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{
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createPad(id);
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pad = new Pad(id);
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globalPads[id] = pad;
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console.log(pad);
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}
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if(!globalPads[id])
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return null;
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if(!pad) return null;
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globalPads[id].timestamp = new Date().getTime();
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//globalPads[id].timestamp = new Date().getTime();
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var functionWrapper = {};
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functionWrapper.id = id;
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functionWrapper.appendRevision = function (theChangeset, author) {return appendRevision(id, theChangeset, author)};
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functionWrapper.text = function () {return text(id)};
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functionWrapper.atext = function () {return atext(id)};
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functionWrapper.pool = function () {return pool(id)};
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functionWrapper.getHeadRevisionNumber = function () {return getHeadRevisionNumber(id)};
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functionWrapper.getRevisionChangeset = function (revNum) {return getRevisionChangeset(id, revNum)};
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functionWrapper.getRevisionAuthor = function (revNum) {return getRevisionAuthor(id, revNum)};
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functionWrapper.getAllAuthors = function () {return getAllAuthors(id)};
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return functionWrapper;
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return pad;
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}
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/**
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@ -72,194 +57,6 @@ exports.ensurePadExists = function(id)
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{
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if(!globalPads[id])
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{
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createPad(id);
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exports.getPad(id, true);
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}
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}
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/**
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* Creates an empty pad
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* @param id The Pad id
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*/
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function createPad(id)
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{
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var pad = {};
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globalPads[id] = pad;
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pad.id = id;
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pad.rev = [];
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pad.head = -1;
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pad.atext = Changeset.makeAText("\n");
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pad.apool = AttributePoolFactory.createAttributePool();
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pad.authors = [];
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var firstChangeset = Changeset.makeSplice("\n", 0, 0,
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exports.cleanText(exports.startText));
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appendRevision(id, firstChangeset, '');
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}
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/**
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* Append a changeset to a pad
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* @param id The Pad id
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* @param theChangeset the changeset which should apply to the text
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* @param The author of the revision, can be null
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*/
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function appendRevision(id, theChangeset, author)
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{
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throwExceptionIfPadDontExist(id);
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if(!author)
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author = '';
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var atext = globalPads[id].atext;
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var apool = globalPads[id].apool;
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var newAText = Changeset.applyToAText(theChangeset, atext, apool);
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Changeset.copyAText(newAText, atext);
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var newRev = ++globalPads[id].head;
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globalPads[id].rev[newRev] = {};
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globalPads[id].rev[newRev].changeset = theChangeset;
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globalPads[id].rev[newRev].meta = {};
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globalPads[id].rev[newRev].meta.author = author;
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globalPads[id].rev[newRev].meta.timestamp = new Date().getTime();
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//ex. getNumForAuthor
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if(author != '')
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apool.putAttrib(['author',author||'']);
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if(newRev%100==0)
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{
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globalPads[id].rev[newRev].meta.atext=atext;
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}
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}
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/**
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* Returns all Authors of a Pad
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* @param id The Pad id
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*/
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function getAllAuthors(id)
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{
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var authors = [];
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for(key in globalPads[id].apool.numToAttrib)
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{
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if(globalPads[id].apool.numToAttrib[key][0] == "author" && globalPads[id].apool.numToAttrib[key][1] != "")
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{
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authors.push(globalPads[id].apool.numToAttrib[key][1]);
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}
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}
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return authors;
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}
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/**
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* Returns the plain text of a pad
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* @param id The Pad id
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*/
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function text(id)
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{
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throwExceptionIfPadDontExist(id);
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return globalPads[id].atext.text;
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}
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/**
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* Returns the Attributed Text of a pad
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* @param id The Pad id
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*/
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function atext(id)
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{
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throwExceptionIfPadDontExist(id);
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return globalPads[id].atext;
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}
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/**
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* Returns the Attribute Pool whichs the Pad is using
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* @param id The Pad id
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*/
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function pool(id)
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{
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throwExceptionIfPadDontExist(id);
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return globalPads[id].apool;
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}
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/**
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* Returns the latest Revision Number of the Pad
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* @param id The Pad id
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*/
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function getHeadRevisionNumber(id)
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{
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throwExceptionIfPadDontExist(id);
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return globalPads[id].head;
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}
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/**
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* Returns the changeset of a specific revision
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* @param id The Pad id
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* @param revNum The Revision Number
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*/
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function getRevisionChangeset(id, revNum)
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{
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throwExceptionIfPadDontExist(id);
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throwExceptionIfRevDontExist(id, revNum);
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return globalPads[id].rev[revNum].changeset;
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}
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/**
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* Returns the author of a specific revision
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* @param id The Pad id
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* @param revNum The Revision Number
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*/
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function getRevisionAuthor(id, revNum)
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{
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throwExceptionIfPadDontExist(id);
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throwExceptionIfRevDontExist(id, revNum);
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return globalPads[id].rev[revNum].meta.author;
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}
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/**
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* Check if the ID is a valid Pad ID and trows an Exeption if not
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* @param id The Pad id
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*/
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function throwExceptionIfPadDontExist(id)
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{
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if(id == null)
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{
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throw "Padname is null!";
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}
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if(!globalPads[id])
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{
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throw "Pad don't exist!'";
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}
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}
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/**
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* Check if the Revision of a Pad is valid and throws an Exeption if not
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* @param id The Pad id
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*/
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function throwExceptionIfRevDontExist(id, revNum)
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{
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if(revNum == null)
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throw "revNum is null";
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if((typeof revNum) != "number")
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throw revNum + " is no Number";
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if(revNum < 0 || revNum > globalPads[id].head)
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throw "The Revision " + revNum + " don't exist'";
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}
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/**
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* Copied from the Etherpad source code, don't know what its good for
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* @param txt
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*/
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exports.cleanText = function (txt) {
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return txt.replace(/\r\n/g,'\n').replace(/\r/g,'\n').replace(/\t/g, ' ').replace(/\xa0/g, ' ');
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}
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}
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