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Merge branch 'vdom' of github.com:xwiki-labs/cryptpad into demoEffect

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pull/1/head
ansuz 9 years ago
parent c22269e36e 2031191261
commit 653ba33b65
4 changed files with 68 additions and 116 deletions
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4
package.json
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@ -4,6 +4,8 @@
"version": "0.1.0",
"dependencies": {
"express": "~4.10.1",
"ws": "^1.0.1"
"ws": "^1.0.1",
"level": "~1.4.0",
"nthen": "~0.1.0"
}
}

103
storage/lvl.js
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@ -1,77 +1,48 @@
var level=require("level");
var Level = require("level");
var nThen = require('nthen');
module.exports.create = function(conf,cb){
console.log("Loading leveldb");
var getIndex = function(db, cName, cb) {
db.get(cName+'=>index', function(e, out){
if (e) { throw e; }
cb(parseInt(out));
});
};
var db=level(conf.levelPath||'./test.level.db'),
indices={},
Channel={};
var insert = function (db, channelName, content, cb) {
var index;
nThen(function (waitFor) {
getIndex(db, channelName, waitFor(function (i) { index = i; }));
}).nThen(function (waitFor) {
db.put(channelName+'=>index', ''+index, waitFor(function (e) { if (e) { throw e; } }));
}).nThen(function (waitFor) {
db.put(channelName+'=>'+index, content, waitFor(function (e) { if (e) { throw e; } }));
}).nThen(cb);
};
var makeChannel=function(cName){
Channel[cName]={
lastModified:0,
messages:[],
var getMessages = function (db, channelName, msgHandler) {
var index;
nThen(function (waitFor) {
getIndex(db, channelName, waitFor(function (i) { index = i; }));
}).nThen(function (waitFor) {
var again = function (i) {
db.get(channelName + '=>' + i, waitFor(function (e, out) {
if (e) { throw e; }
msgHandler(out);
if (i < index) { again(i+1); }
}));
};
},
makeIndex=function(cName){
// initializing to negative one means we can increment on inserts
// so we always start from zero.
indices[cName]=-1;
},
loadIndex=function(cName, out){
indices[cName]=parseInt(out);
typeof indices[cName] !== 'number' &&
console.error("FOUND A NON-NUMERIC INDEX for channel: %s", cName);
},
getIndex=function(cName,f){
if(typeof indices[cName] !== 'undefined'){
f(indices[cName]);
}else{
// get and increment the channelIndex
db.get(cName+'=>index',function(e,out){
if(e){
// it doesn't exist, so initialize it
makeIndex(cName);
}else{
// it exists. parse it
loadIndex(cName,out);
}
f(indices[cName]);
again(0);
});
}
};
};
module.exports.create = function (conf, cb) {
var db = Level(conf.levelPath || './test.level.db');
cb({
message: function(cName,content,cb){
getIndex(cName,function(index){
var index = ++indices[cName];
db.put(cName+'=>index', ''+index,function(e){
if(e) console.error(e);
});
db.put(cName+'=>'+index, content, function(err){
if(err){
console.log(err);
}
cb();
});
});
message: function (channelName, content, cb) {
insert(db, channelName, content, cb);
},
getMessages: function(cName, cb){
/* get all messages relating to a channel */
getIndex(cName, function(index){
var last = index,
i = 0,
next = function () {
db.get(cName+'=>'+i, function (e,out) {
if(e) return console.error(e);
cb(out);
if (++i <= last) {
next();
getMessages: function (channelName, msgHandler) {
getMessages(db, channelName, msgHandler);
}
});
};
next();
});
},
});
};

3
www/common/chainpad.js
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@ -372,7 +372,7 @@ var random = Patch.random = function (doc, opCount) {
var PARANOIA = module.exports.PARANOIA = false;
/* throw errors over non-compliant messages which would otherwise be treated as invalid */
var TESTING = module.exports.TESTING = true;
var TESTING = module.exports.TESTING = false;
var assert = module.exports.assert = function (expr) {
if (!expr) { throw new Error("Failed assertion"); }
@ -1163,6 +1163,7 @@ module.exports.create = function (userName, authToken, channelId, initialState,
Common.assert(typeof(initialState) === 'string');
var realtime = ChainPad.create(userName, authToken, channelId, initialState, conf);
return {
Operation: Operation,
onPatch: enterChainPad(realtime, function (handler) {
Common.assert(typeof(handler) === 'function');
realtime.patchHandlers.push(handler);

68
www/vdom/main.js
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@ -6,12 +6,9 @@ define([
'/common/convert.js',
'/common/toolbar.js',
'/common/cursor.js',
'/common/Operation.js',
'/bower_components/jquery/dist/jquery.min.js',
'/customize/pad.js'
], function (Config, Messages, Crypto, realtimeInput, Convert, Toolbar, Cursor, Operation) {
window.Operation = Operation;
], function (Config, Messages, Crypto, realtimeInput, Convert, Toolbar, Cursor) {
var $ = window.jQuery;
var ifrw = $('#pad-iframe')[0].contentWindow;
window.Ckeditor = ifrw.CKEDITOR;
@ -107,53 +104,34 @@ define([
onInit: onInit,
transformFunction : function (text, toTransform, transformBy) {
/* FIXME
operational transform on json shouldn't be in all editors
just those transmitting/expecting JSON
*/
false && console.log({
text: text,
toTransform: toTransform,
transformBy: transformBy
});
var resultOp = ChainPad.Operation.transform0(text, toTransform, transformBy);
var text2 = ChainPad.Operation.apply(transformBy, text);
var text3 = ChainPad.Operation.apply(resultOp, text2);
try { JSON.parse(text3); return resultOp; } catch (e) { console.log(e); }
// returning **null** breaks out of the loop
// which transforms conflicting operations
// in theory this should prevent us from producing bad JSON
return null;
},
// OT
/*
transformFunction: function (text, toTransform, transformBy) {
if (toTransform.offset > transformBy.offset) {
if (toTransform.offset > transformBy.offset + transformBy.toRemove) {
// simple rebase
toTransform.offset -= transformBy.toRemove;
toTransform.offset += transformBy.toInsert.length;
// TODO check that this is using the correct parameters
// TODO get the actual library
// TODO functionize this because it's repeated
var temp = Operation.apply(text, toTransform)
try {
JSON.parse(temp);
} catch (err) {
console.error(err.stack);
return null;
}
return toTransform;
}
// goto the end, anything you deleted that they also deleted should be skipped.
var newOffset = transformBy.offset + transformBy.toInsert.length;
toTransform.toRemove = 0; //-= (newOffset - toTransform.offset);
if (toTransform.toRemove < 0) { toTransform.toRemove = 0; }
toTransform.offset = newOffset;
if (toTransform.toInsert.length === 0 && toTransform.toRemove === 0) {
return null;
}
return toTransform;
}
if (toTransform.offset + toTransform.toRemove < transformBy.offset) {
return toTransform;
}
toTransform.toRemove = transformBy.offset - toTransform.offset;
if (toTransform.toInsert.length === 0 && toTransform.toRemove === 0) {
return null;
/*
FIXME NOT A REAL FUNCTION WONT WORK
transformFunction: function (state0str, toTransform, transformBy) {
var state1A = JSON.parse(Operation.apply(state0str, transformBy));
var state1B = JSON.parse(Operation.apply(state0str, toTransform));
var state0 = JSON.parse(state0str);
}
return toTransform;
} */
*/
});
$textarea.val(JSON.stringify(Convert.dom.to.hjson(inner)));

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