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pouch.js
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pouch.js
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a,b=f.timers,c=0;for(;c<b.length;c++)a=b[c],!a()&&b[c]===a&&b.splice(c--,1);b.length||f.fx.stop()},interval:13,stop:function(){clearInterval(cp),cp=null},speeds:{slow:600,fast:200,_default:400},step:{opacity:function(a){f.style(a.elem,"opacity",a.now)},_default:function(a){a.elem.style&&a.elem.style[a.prop]!=null?a.elem.style[a.prop]=a.now+a.unit:a.elem[a.prop]=a.now}}}),f.each(["width","height"],function(a,b){f.fx.step[b]=function(a){f.style(a.elem,b,Math.max(0,a.now)+a.unit)}}),f.expr&&f.expr.filters&&(f.expr.filters.animated=function(a){return f.grep(f.timers,function(b){return a===b.elem}).length});var cw=/^t(?:able|d|h)$/i,cx=/^(?:body|html)$/i;"getBoundingClientRect"in c.documentElement?f.fn.offset=function(a){var b=this[0],c;if(a)return this.each(function(b){f.offset.setOffset(this,a,b)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return f.offset.bodyOffset(b);try{c=b.getBoundingClientRect()}catch(d){}var e=b.ownerDocument,g=e.documentElement;if(!c||!f.contains(g,b))return c?{top:c.top,left:c.left}:{top:0,left:0};var h=e.body,i=cy(e),j=g.clientTop||h.clientTop||0,k=g.clientLeft||h.clientLeft||0,l=i.pageYOffset||f.support.boxModel&&g.scrollTop||h.scrollTop,m=i.pageXOffset||f.support.boxModel&&g.scrollLeft||h.scrollLeft,n=c.top+l-j,o=c.left+m-k;return{top:n,left:o}}:f.fn.offset=function(a){var b=this[0];if(a)return this.each(function(b){f.offset.setOffset(this,a,b)});if(!b||!b.ownerDocument)return null;if(b===b.ownerDocument.body)return f.offset.bodyOffset(b);var c,d=b.offsetParent,e=b,g=b.ownerDocument,h=g.documentElement,i=g.body,j=g.defaultView,k=j?j.getComputedStyle(b,null):b.currentStyle,l=b.offsetTop,m=b.offsetLeft;while((b=b.parentNode)&&b!==i&&b!==h){if(f.support.fixedPosition&&k.position==="fixed")break;c=j?j.getComputedStyle(b,null):b.currentStyle,l-=b.scrollTop,m-=b.scrollLeft,b===d&&(l+=b.offsetTop,m+=b.offsetLeft,f.support.doesNotAddBorder&&(!f.support.doesAddBorderForTableAndCells||!cw.test(b.nodeName))&&(l+=parseFloat(c.borderTopWidth)||0,m+=parseFloat(c.borderLeftWidth)||0),e=d,d=b.offsetParent),f.support.subtractsBorderForOverflowNotVisible&&c.overflow!=="visible"&&(l+=parseFloat(c.borderTopWidth)||0,m+=parseFloat(c.borderLeftWidth)||0),k=c}if(k.position==="relative"||k.position==="static")l+=i.offsetTop,m+=i.offsetLeft;f.support.fixedPosition&&k.position==="fixed"&&(l+=Math.max(h.scrollTop,i.scrollTop),m+=Math.max(h.scrollLeft,i.scrollLeft));return{top:l,left:m}},f.offset={bodyOffset:function(a){var b=a.offsetTop,c=a.offsetLeft;f.support.doesNotIncludeMarginInBodyOffset&&(b+=parseFloat(f.css(a,"marginTop"))||0,c+=parseFloat(f.css(a,"marginLeft"))||0);return{top:b,left:c}},setOffset:function(a,b,c){var d=f.css(a,"position");d==="static"&&(a.style.position="relative");var e=f(a),g=e.offset(),h=f.css(a,"top"),i=f.css(a,"left"),j=(d==="absolute"||d==="fixed")&&f.inArray("auto",[h,i])>-1,k={},l={},m,n;j?(l=e.position(),m=l.top,n=l.left):(m=parseFloat(h)||0,n=parseFloat(i)||0),f.isFunction(b)&&(b=b.call(a,c,g)),b.top!=null&&(k.top=b.top-g.top+m),b.left!=null&&(k.left=b.left-g.left+n),"using"in b?b.using.call(a,k):e.css(k)}},f.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),d=cx.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(f.css(a,"marginTop"))||0,c.left-=parseFloat(f.css(a,"marginLeft"))||0,d.top+=parseFloat(f.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(f.css(b[0],"borderLeftWidth"))||0;return{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||c.body;while(a&&!cx.test(a.nodeName)&&f.css(a,"position")==="static")a=a.offsetParent;return a})}}),f.each(["Left","Top"],function(a,c){var d="scroll"+c;f.fn[d]=function(c){var e,g;if(c===b){e=this[0];if(!e)return null;g=cy(e);return g?"pageXOffset"in g?g[a?"pageYOffset":"pageXOffset"]:f.support.boxModel&&g.document.documentElement[d]||g.document.body[d]:e[d]}return this.each(function(){g=cy(this),g?g.scrollTo(a?f(g).scrollLeft():c,a?c:f(g).scrollTop()):this[d]=c})}}),f.each(["Height","Width"],function(a,c){var d=c.toLowerCase();f.fn["inner"+c]=function(){var a=this[0];return a?a.style?parseFloat(f.css(a,d,"padding")):this[d]():null},f.fn["outer"+c]=function(a){var b=this[0];return b?b.style?parseFloat(f.css(b,d,a?"margin":"border")):this[d]():null},f.fn[d]=function(a){var e=this[0];if(!e)return a==null?null:this;if(f.isFunction(a))return this.each(function(b){var c=f(this);c[d](a.call(this,b,c[d]()))});if(f.isWindow(e)){var g=e.document.documentElement["client"+c],h=e.document.body;return e.document.compatMode==="CSS1Compat"&&g||h&&h["client"+c]||g}if(e.nodeType===9)return Math.max(e.documentElement["client"+c],e.body["scroll"+c],e.documentElement["scroll"+c],e.body["offset"+c],e.documentElement["offset"+c]);if(a===b){var i=f.css(e,d),j=parseFloat(i);return f.isNumeric(j)?j:i}return this.css(d,typeof a=="string"?a:a+"px")}}),a.jQuery=a.$=f,typeof define=="function"&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return f})})(window);// BEGIN Math.uuid.js
/*!
Math.uuid.js (v1.4)
http://www.broofa.com
mailto:[email protected]
Copyright (c) 2010 Robert Kieffer
Dual licensed under the MIT and GPL licenses.
*/
/*
* Generate a random uuid.
*
* USAGE: Math.uuid(length, radix)
* length - the desired number of characters
* radix - the number of allowable values for each character.
*
* EXAMPLES:
* // No arguments - returns RFC4122, version 4 ID
* >>> Math.uuid()
* "92329D39-6F5C-4520-ABFC-AAB64544E172"
*
* // One argument - returns ID of the specified length
* >>> Math.uuid(15) // 15 character ID (default base=62)
* "VcydxgltxrVZSTV"
*
* // Two arguments - returns ID of the specified length, and radix. (Radix must be <= 62)
* >>> Math.uuid(8, 2) // 8 character ID (base=2)
* "01001010"
* >>> Math.uuid(8, 10) // 8 character ID (base=10)
* "47473046"
* >>> Math.uuid(8, 16) // 8 character ID (base=16)
* "098F4D35"
*/
(function() {
// Private array of chars to use
var CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
Math.uuid = function (len, radix) {
var chars = CHARS, uuid = [];
radix = radix || chars.length;
if (len) {
// Compact form
for (var i = 0; i < len; i++) uuid[i] = chars[0 | Math.random()*radix];
} else {
// rfc4122, version 4 form
var r;
// rfc4122 requires these characters
uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
uuid[14] = '4';
// Fill in random data. At i==19 set the high bits of clock sequence as
// per rfc4122, sec. 4.1.5
for (var i = 0; i < 36; i++) {
if (!uuid[i]) {
r = 0 | Math.random()*16;
uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
}
}
}
return uuid.join('');
};
// A more performant, but slightly bulkier, RFC4122v4 solution. We boost performance
// by minimizing calls to random()
Math.uuidFast = function() {
var chars = CHARS, uuid = new Array(36), rnd=0, r;
for (var i = 0; i < 36; i++) {
if (i==8 || i==13 || i==18 || i==23) {
uuid[i] = '-';
} else if (i==14) {
uuid[i] = '4';
} else {
if (rnd <= 0x02) rnd = 0x2000000 + (Math.random()*0x1000000)|0;
r = rnd & 0xf;
rnd = rnd >> 4;
uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
}
}
return uuid.join('');
};
// A more compact, but less performant, RFC4122v4 solution:
Math.uuidCompact = function() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
}).toUpperCase();
};
})();
// END Math.uuid.js
/**
*
* MD5 (Message-Digest Algorithm)
*
* For original source see http://www.webtoolkit.info/
* Download: 15.02.2009 from http://www.webtoolkit.info/javascript-md5.html
*
* Licensed under CC-BY 2.0 License
* (http://creativecommons.org/licenses/by/2.0/uk/)
*
**/
var Crypto = {};
(function() {
Crypto.MD5 = function(string) {
function RotateLeft(lValue, iShiftBits) {
return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
}
function AddUnsigned(lX,lY) {
var lX4,lY4,lX8,lY8,lResult;
lX8 = (lX & 0x80000000);
lY8 = (lY & 0x80000000);
lX4 = (lX & 0x40000000);
lY4 = (lY & 0x40000000);
lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
if (lX4 & lY4) {
return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
}
if (lX4 | lY4) {
if (lResult & 0x40000000) {
return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
} else {
return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
}
} else {
return (lResult ^ lX8 ^ lY8);
}
}
function F(x,y,z) { return (x & y) | ((~x) & z); }
function G(x,y,z) { return (x & z) | (y & (~z)); }
function H(x,y,z) { return (x ^ y ^ z); }
function I(x,y,z) { return (y ^ (x | (~z))); }
function FF(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function GG(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function HH(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function II(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function ConvertToWordArray(string) {
var lWordCount;
var lMessageLength = string.length;
var lNumberOfWords_temp1=lMessageLength + 8;
var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
var lWordArray=Array(lNumberOfWords-1);
var lBytePosition = 0;
var lByteCount = 0;
while ( lByteCount < lMessageLength ) {
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
lWordArray[lNumberOfWords-2] = lMessageLength<<3;
lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
return lWordArray;
};
function WordToHex(lValue) {
var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
for (lCount = 0;lCount<=3;lCount++) {
lByte = (lValue>>>(lCount*8)) & 255;
WordToHexValue_temp = "0" + lByte.toString(16);
WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
}
return WordToHexValue;
};
//** function Utf8Encode(string) removed. Aready defined in pidcrypt_utils.js
var x=Array();
var k,AA,BB,CC,DD,a,b,c,d;
var S11=7, S12=12, S13=17, S14=22;
var S21=5, S22=9 , S23=14, S24=20;
var S31=4, S32=11, S33=16, S34=23;
var S41=6, S42=10, S43=15, S44=21;
// string = Utf8Encode(string); #function call removed
x = ConvertToWordArray(string);
a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
for (k=0;k<x.length;k+=16) {
AA=a; BB=b; CC=c; DD=d;
a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
d=GG(d,a,b,c,x[k+10],S22,0x2441453);
c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
a=II(a,b,c,d,x[k+0], S41,0xF4292244);
d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
c=II(c,d,a,b,x[k+6], S43,0xA3014314);
b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
a=AddUnsigned(a,AA);
b=AddUnsigned(b,BB);
c=AddUnsigned(c,CC);
d=AddUnsigned(d,DD);
}
var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
return temp.toLowerCase();
}
})();
// END Crypto.md5.js
window.Pouch = function(name, opts, callback) {
if (!(this instanceof arguments.callee)) {
return new Pouch(name, opts, callback);
}
if (opts instanceof Function || typeof opts === 'undefined') {
callback = opts;
opts = {};
}
var backend = Pouch.parseAdapter(opts.name || name);
opts.name = backend.name;
opts.adapter = opts.adapter || backend.adapter;
if (!Pouch.adapters[backend.adapter] ||
!Pouch.adapters[backend.adapter].valid()) {
throw 'Invalid Adapter';
}
var adapter = Pouch.adapters[backend.adapter](opts, callback);
for (var j in adapter) {
this[j] = adapter[j];
}
}
Pouch.parseAdapter = function(name) {
var match = name.match(/([a-z\-]*):\/\/(.*)/);
if (match) {
// the http adapter expects the fully qualified name
name = (match[1] === 'http') ? 'http://' + match[2] : match[2];
return {name: name, adapter: match[1]};
}
// the name didnt specify which adapter to use, so we just pick the first
// valid one, we will probably add some bias to this (ie http should be last
// fallback)
for (var i in Pouch.adapters) {
if (Pouch.adapters[i].valid()) {
return {name: name, adapter: i};
}
}
throw 'No Valid Adapter.';
}
Pouch.destroy = function(name, callback) {
var opts = Pouch.parseAdapter(name);
Pouch.adapters[opts.adapter].destroy(opts.name, callback);
};
Pouch.adapters = {};
Pouch.adapter = function (id, obj) {
Pouch.adapters[id] = obj;
}
// Enumerate errors, add the status code so we can reflect the HTTP api
// in future
Pouch.Errors = {
MISSING_BULK_DOCS: {
status: 400,
error: 'bad_request',
reason: "Missing JSON list of 'docs'"
},
MISSING_DOC: {
status: 404,
error: 'not_found',
reason: 'missing'
},
REV_CONFLICT: {
status: 409,
error: 'conflict',
reason: 'Document update conflict'
}
};(function() {
Pouch.collate = function(a, b) {
var ai = collationIndex(a);
var bi = collationIndex(b);
if ((ai - bi) !== 0) {
return ai - bi;
}
if (typeof a=== 'number') {
return a - b;
}
if (typeof a === 'boolean') {
return a < b ? -1 : 1;
}
if (typeof a === 'string') {
return stringCollate(a, b);
}
if (Array.isArray(a)) {
return arrayCollate(a, b)
}
if (typeof a === 'object') {
return objectCollate(a, b);
}
}
var stringCollate = function(a, b) {
// Chrome (v8) doesnt implement localecompare and orders by ascii value
// so tests will break
return a.localeCompare(b);
}
var objectCollate = function(a, b) {
var ak = Object.keys(a), bk = Object.keys(b);
var len = Math.min(ak.length, bk.length);
for (var i = 0; i < len; i++) {
// First sort the keys
var sort = Pouch.collate(ak[i], bk[i]);
if (sort !== 0) {
return sort;
}
// if the keys are equal sort the values
sort = Pouch.collate(a[ak[i]], b[bk[i]]);
if (sort !== 0) {
return sort;
}
}
return (ak.length === bk.length) ? 0 :
(ak.length > bk.length) ? 1 : -1;
}
var arrayCollate = function(a, b) {
var len = Math.min(a.length, b.length);
for (var i = 0; i < len; i++) {
var sort = Pouch.collate(a[i], b[i]);
if (sort !== 0) {
return sort;
}
}
return (a.length === b.length) ? 0 :
(a.length > b.length) ? 1 : -1;
}
// The collation is defined by erlangs ordered terms
// the atoms null, true, false come first, then numbers, strings,
// arrays, then objects
var collationIndex = function(x) {
var id = ['boolean', 'number', 'string', 'object'];
if (id.indexOf(typeof x) !== -1) {
if (x === null) {
return 1;
}
return id.indexOf(typeof x) + 2;
}
if (Array.isArray(x)) {
return 4.5;
}
}
}).call(this);(function() {
// for a better overview of what this is doing, read:
// https://github.com/apache/couchdb/blob/master/src/couchdb/couch_key_tree.erl
//
// But for a quick intro, CouchDB uses a revision tree to store a documents
// history, A -> B -> C, when a document has conflicts, that is a branch in the
// tree, A -> (B1 | B2 -> C), We store these as a nested array in the format
//
// KeyTree = [Path ... ]
// Path = {pos: position_from_root, ids: Tree}
// Tree = [Key, Tree]
// Turn a path as a flat array into a tree with a single branch
function pathToTree(path) {
var root = [path.shift(), []];
var leaf = root;
while (path.length) {
nleaf = [path.shift(), []];
leaf[1].push(nleaf);
leaf = nleaf;
}
return root;
}
// To ensure we dont grow the revision tree infinitely, we stem old revisions
function stem(tree, depth) {
// First we break out the tree into a complete list of root to leaf paths,
// we cut off the start of the path and generate a new set of flat trees
var stemmedPaths = rootToLeaf(tree).map(function(path) {
var stemmed = path.ids.slice(-depth);
return {
pos: path.pos + (path.ids.length - stemmed.length),
ids: pathToTree(stemmed)
};
});
// Then we remerge all those flat trees together, ensuring that we dont
// connect trees that would go beyond the depth limit
return stemmedPaths.reduce(function(prev, current, i, arr) {
return doMerge(prev, current, true).tree;
}, [stemmedPaths.shift()]);
}
// Merge two trees together
function mergeTree(tree1, tree2) {
var conflicts = false;
for (var i = 0; i < tree2[1].length; i++) {
if (!tree1[1][0]) {
conflicts = 'new_leaf';
tree1[1][0] = tree2[1][i];
}
if (tree1[1][0].indexOf(tree2[1][i][0]) === -1) {
conflicts = 'new_branch';
tree1[1].push(tree2[1][i]);
tree1[1].sort();
} else {
var result = mergeTree(tree1[1][0], tree2[1][i]);
conflicts = result.conflicts || conflicts;
tree1[1][0] = result.tree;
}
}
return {conflicts: conflicts, tree: tree1};
}
function doMerge(tree, path, dontExpand) {
var restree = [];
var conflicts = false;
var merged = false;
var res, branch;
if (!tree.length) {
return {tree: [path], conflicts: 'new_leaf'};
}
tree.forEach(function(branch) {
if (branch.pos === path.pos && branch.ids[0] === path.ids[0]) {
// Paths start at the same position and have the same root, so they need
// merged
res = mergeTree(branch.ids, path.ids);
restree.push({pos: branch.pos, ids: res.tree});
conflicts = conflicts || res.conflicts;
merged = true;
} else if (dontExpand !== true) {
// The paths start at a different position, take the earliest path and
// traverse up until it as at the same point from root as the path we want to
// merge if the keys match we return the longer path with the other merged
// After stemming we dont want to expand the trees
// destructive assignment plz
var t1 = branch.pos < path.pos ? branch : path;
var t2 = branch.pos < path.pos ? path : branch;
var diff = t2.pos - t1.pos;
var parent, tmp = t1.ids;
while(diff--) {
parent = tmp[1];
tmp = tmp[1][0];
}
if (tmp[0] !== t2.ids[0]) {
restree.push(branch);
} else {
res = mergeTree(tmp, t2.ids);
parent[0] = res.tree;
restree.push({pos: t1.pos, ids: t1.ids});
conflicts = conflicts || res.conflicts;
merged = true;
}
} else {
restree.push(branch);
}
});
// We didnt find
if (!merged) {
restree.push(path);
}
restree.sort(function(a, b) {
return a.pos - b.pos;
});
return {
tree: restree,
conflicts: conflicts || 'internal_node'
};
}
this.Pouch.merge = function(tree, path, depth) {
// Ugh, nicer way to not modify arguments in place?
tree = JSON.parse(JSON.stringify(tree));
path = JSON.parse(JSON.stringify(path));
var newTree = doMerge(tree, path);
return {
tree: stem(newTree.tree, depth),
conflicts: newTree.conflicts
};
};
}).call(this);
(function() {
function replicate(src, target, callback) {
fetchCheckpoint(src, target, function(checkpoint) {
var results = [];
var completed = false;
var pending = 0;
var last_seq = 0;
var result = {
ok: true,
start_time: new Date(),
docs_read: 0,
docs_written: 0
};
function isCompleted() {
if (completed && pending === 0) {
result.end_time = new Date();
writeCheckpoint(src, target, last_seq, function() {
call(callback, null, result);
});
}
}
src.changes({
since: checkpoint,
onChange: function(change) {
results.push(change);
result.docs_read++;
pending++;
var diff = {};
diff[change.id] = change.changes.map(function(x) { return x.rev; });
target.revsDiff(diff, function(err, diffs) {
for (var id in diffs) {
diffs[id].missing.map(function(rev) {
src.get(id, {revs: true, rev: rev}, function(err, doc) {
target.bulkDocs({docs: [doc]}, {new_edits: false}, function() {
result.docs_written++;
pending--;
isCompleted();
});
});
});
}
});
},
complete: function(err, res) {
last_seq = res.last_seq;
completed = true;
isCompleted();
}
});
});
}
function toPouch(db, callback) {
if (typeof db === 'string') {
return new Pouch(db, callback);
}
callback(null, db);
}
Pouch.replicate = function(src, target, callback) {
toPouch(src, function(_, src) {
toPouch(target, function(_, target) {
replicate(src, target, callback);
});
});
};
}).call(this);// Pretty dumb name for a function, just wraps callback calls so we dont
// to if (callback) callback() everywhere
var call = function(fun) {
var args = Array.prototype.slice.call(arguments, 1);
if (typeof fun === typeof Function) {
fun.apply(this, args);
}
}
// Preprocess documents, parse their revisions, assign an id and a
// revision for new writes that are missing them, etc
var parseDoc = function(doc, newEdits) {
if (newEdits) {
if (!doc._id) {
doc._id = Math.uuid();
}
var newRevId = Math.uuid(32, 16);
var nRevNum;
if (doc._rev) {
var revInfo = /^(\d+)-(.+)$/.exec(doc._rev);
if (!revInfo) {
throw "invalid value for property '_rev'";
}
doc._rev_tree = [{
pos: parseInt(revInfo[1], 10),
ids: [revInfo[2], [[newRevId, []]]]
}];
nRevNum = parseInt(revInfo[1], 10) + 1;
} else {
doc._rev_tree = [{
pos: 1,
ids : [newRevId, []]
}];
nRevNum = 1;
}
} else {
if (doc._revisions) {
doc._rev_tree = [{
pos: doc._revisions.start - doc._revisions.ids.length + 1,
ids: doc._revisions.ids.reduce(function(acc, x) {
if (acc === null) {
return [x, []];
} else {
return [x, [acc]];
}
}, null)
}];
}
if (!doc._rev_tree) {
var revInfo = /^(\d+)-(.+)$/.exec(doc._rev);
nRevNum = parseInt(revInfo[1], 10);
newRevId = revInfo[2];
doc._rev_tree = [{
pos: parseInt(revInfo[1], 10),
ids: [revInfo[2], []]
}];
}
}
doc._id = decodeURIComponent(doc._id);
doc._rev = [nRevNum, newRevId].join('-');
return Object.keys(doc).reduce(function(acc, key) {
if (/^_/.test(key) && key !== '_attachments') {
acc.metadata[key.slice(1)] = doc[key];
} else {
acc.data[key] = doc[key];
}
return acc;
}, {metadata : {}, data : {}});
};
var compareRevs = function(a, b) {
// Sort by id
if (a.id !== b.id) {
return (a.id < b.id ? -1 : 1);
}
// Then by deleted
if (a.deleted ^ b.deleted) {
return (a.deleted ? -1 : 1);
}
// Then by rev id
if (a.rev_tree[0].pos === b.rev_tree[0].pos) {
return (a.rev_tree[0].ids < b.rev_tree[0].ids ? -1 : 1);
}
// Then by depth of edits
return (a.rev_tree[0].start < b.rev_tree[0].start ? -1 : 1);
};
// Pretty much all below can be combined into a higher order function to
// traverse revisions
// Turn a tree into a list of rootToLeaf paths
var expandTree = function(all, i, tree) {
all.push({rev: i + '-' + tree[0], status: 'available'});
tree[1].forEach(function(child) {
expandTree(all, i + 1, child);
});
}
var collectRevs = function(path) {
var revs = [];
expandTree(revs, path.pos, path.ids);
return revs;
}
var collectLeavesInner = function(all, pos, tree) {
if (!tree[1].length) {
all.push({rev: pos + '-' + tree[0]});
}
tree[1].forEach(function(child) {
collectLeavesInner(all, pos+1, child);
});
}
var collectLeaves = function(revs) {
var leaves = [];
revs.forEach(function(tree) {
collectLeavesInner(leaves, tree.pos, tree.ids);
});
return leaves;
}
var collectConflicts = function(revs) {
var leaves = collectLeaves(revs);
// First is current rev
leaves.shift();
return leaves.map(function(x) { return x.rev; });
}
var fetchCheckpoint = function(src, target, callback) {
var id = Crypto.MD5(src.id() + target.id());
src.get('_local/' + id, function(err, doc) {
if (err && err.status === 404) {
callback(0);
} else {
callback(doc.last_seq);
}
});
};
var writeCheckpoint = function(src, target, checkpoint, callback) {
var check = {
_id: '_local/' + Crypto.MD5(src.id() + target.id()),
last_seq: checkpoint
};
src.get(check._id, function(err, doc) {
if (doc && doc._rev) {
check._rev = doc._rev;
}
src.put(check, function(err, doc) {
callback();
});
});
};
// Turn a tree into a list of rootToLeaf paths
function expandTree2(all, current, pos, arr) {
current = current.slice(0);
current.push(arr[0]);
if (!arr[1].length) {
all.push({pos: pos, ids: current});
}
arr[1].forEach(function(child) {
expandTree2(all, current, pos, child);
});
}
function rootToLeaf(tree) {
var all = [];
tree.forEach(function(path) {
expandTree2(all, [], path.pos, path.ids);
});
return all;
}
var arrayFirst = function(arr, callback) {
for (var i = 0; i < arr.length; i++) {
if (callback(arr[i], i) === true) {
return arr[i];
}
}
return false;
};
// Basic wrapper for localStorage
var localJSON = (function(){
if (!localStorage) {
return false;
}
return {
set: function(prop, val) {
localStorage.setItem(prop, JSON.stringify(val));
},
get: function(prop, def) {
try {
if (localStorage.getItem(prop) === null) {
return def;
}
return JSON.parse((localStorage.getItem(prop) || 'false'));
} catch(err) {
return def;
}
},
remove: function(prop) {
localStorage.removeItem(prop);
}
};
})();
// parseUri 1.2.2
// (c) Steven Levithan <stevenlevithan.com>
// MIT License
function parseUri (str) {
var o = parseUri.options;
var m = o.parser[o.strictMode ? "strict" : "loose"].exec(str);
var uri = {};
var i = 14;
while (i--) uri[o.key[i]] = m[i] || "";
uri[o.q.name] = {};
uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
if ($1) uri[o.q.name][$1] = $2;
});
return uri;
};
parseUri.options = {
strictMode: false,
key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
q: {
name: "queryKey",
parser: /(?:^|&)([^&=]*)=?([^&]*)/g
},
parser: {
strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
}
};
function getHost(name) {
if (/http:/.test(name)) {
var uri = parseUri(name);
uri.remote = true;
uri.auth = {username: uri.user, password: uri.password};
var parts = uri.path.replace(/(^\/|\/$)/g, '').split('/');
uri.db = parts.pop();
uri.path = parts.join('/');
return uri;
}
return {host: '', path: '/', db: name, auth: false};
}
function genUrl(opts, path) {
if (opts.remote) {
var pathDel = !opts.path ? '' : '/';
return opts.protocol + '://' + opts.host + ':' + opts.port + '/' + opts.path
+ pathDel + opts.db + '/' + path;
}
return '/' + opts.db + '/' + path;
};
function ajax(options, callback) {
var defaults = {
success: function (obj, _, xhr) {
callback(null, obj, xhr);
},
error: function (err) {
if (err) callback(err);
else callback(true);
},
dataType: 'json',
contentType: 'application/json'
};
options = $.extend({}, defaults, options);
if (options.data && typeof options.data !== 'string') {
options.data = JSON.stringify(options.data);
}
if (options.auth) {
options.beforeSend = function(xhr) {
var token = btoa(options.auth.username + ":" + options.auth.password);
xhr.setRequestHeader("Authorization", "Basic " + token);
}
}
$.ajax(options);
};
var HttpPouch = function(opts, callback) {
var host = getHost(opts.name);
var db_url = genUrl(host, '');
var api = {};
ajax({auth: host.auth, type: 'PUT', url: db_url}, function(err, ret) {
// the user may not have permission to PUT to a db url
if (err && err.status === 401) {
// test if the db already exists
ajax({auth: host.auth, type: 'HEAD', url: db_url}, function (err, ret) {
if (err) {
// still can't access db
call(callback, err);
} else {
// continue
call(callback, null, api);
}
});
} else if (!err || err.status === 412) {
call(callback, null, api);
}
});
api.id = function() {
return genUrl(host, '');
};
api.info = function(callback) {
};
api.get = function(id, opts, callback) {
if (opts instanceof Function) {
callback = opts;
opts = {};
}
var params = [];
if (opts.revs) {
params.push('revs=true');
}
if (opts.rev) {
params.push('rev=' + opts.rev);
}
if (opts.conflicts) {
params.push('conflicts=' + opts.conflicts);
}
params = params.join('&');
params = params === '' ? '' : '?' + params;
var options = {
auth: host.auth,
type: 'GET',
url: genUrl(host, id + params)