vendor/assets/javascripts/rangy-serializer.js in rangy-rails-1.3alpha.772.0 vs vendor/assets/javascripts/rangy-serializer.js in rangy-rails-1.3alpha.780.0

- old
+ new

@@ -8,287 +8,9 @@ * * Depends on Rangy core. * * Copyright 2013, Tim Down * Licensed under the MIT license. - * Version: 1.3alpha.772 - * Build date: 26 February 2013 + * Version: 1.3alpha.780M + * Build date: 17 May 2013 */ -rangy.createModule("Serializer", function(api, module) { - api.requireModules( ["WrappedSelection", "WrappedRange"] ); - var UNDEF = "undefined"; - - // encodeURIComponent and decodeURIComponent are required for cookie handling - if (typeof encodeURIComponent == UNDEF || typeof decodeURIComponent == UNDEF) { - module.fail("Global object is missing encodeURIComponent and/or decodeURIComponent method"); - } - - // Checksum for checking whether range can be serialized - var crc32 = (function() { - function utf8encode(str) { - var utf8CharCodes = []; - - for (var i = 0, len = str.length, c; i < len; ++i) { - c = str.charCodeAt(i); - if (c < 128) { - utf8CharCodes.push(c); - } else if (c < 2048) { - utf8CharCodes.push((c >> 6) | 192, (c & 63) | 128); - } else { - utf8CharCodes.push((c >> 12) | 224, ((c >> 6) & 63) | 128, (c & 63) | 128); - } - } - return utf8CharCodes; - } - - var cachedCrcTable = null; - - function buildCRCTable() { - var table = []; - for (var i = 0, j, crc; i < 256; ++i) { - crc = i; - j = 8; - while (j--) { - if ((crc & 1) == 1) { - crc = (crc >>> 1) ^ 0xEDB88320; - } else { - crc >>>= 1; - } - } - table[i] = crc >>> 0; - } - return table; - } - - function getCrcTable() { - if (!cachedCrcTable) { - cachedCrcTable = buildCRCTable(); - } - return cachedCrcTable; - } - - return function(str) { - var utf8CharCodes = utf8encode(str), crc = -1, crcTable = getCrcTable(); - for (var i = 0, len = utf8CharCodes.length, y; i < len; ++i) { - y = (crc ^ utf8CharCodes[i]) & 0xFF; - crc = (crc >>> 8) ^ crcTable[y]; - } - return (crc ^ -1) >>> 0; - }; - })(); - - var dom = api.dom; - - function escapeTextForHtml(str) { - return str.replace(/</g, "&lt;").replace(/>/g, "&gt;"); - } - - function nodeToInfoString(node, infoParts) { - infoParts = infoParts || []; - var nodeType = node.nodeType, children = node.childNodes, childCount = children.length; - var nodeInfo = [nodeType, node.nodeName, childCount].join(":"); - var start = "", end = ""; - switch (nodeType) { - case 3: // Text node - start = escapeTextForHtml(node.nodeValue); - break; - case 8: // Comment - start = "<!--" + escapeTextForHtml(node.nodeValue) + "-->"; - break; - default: - start = "<" + nodeInfo + ">"; - end = "</>"; - break; - } - if (start) { - infoParts.push(start); - } - for (var i = 0; i < childCount; ++i) { - nodeToInfoString(children[i], infoParts); - } - if (end) { - infoParts.push(end); - } - return infoParts; - } - - // Creates a string representation of the specified element's contents that is similar to innerHTML but omits all - // attributes and comments and includes child node counts. This is done instead of using innerHTML to work around - // IE <= 8's policy of including element properties in attributes, which ruins things by changing an element's - // innerHTML whenever the user changes an input within the element. - function getElementChecksum(el) { - var info = nodeToInfoString(el).join(""); - return crc32(info).toString(16); - } - - function serializePosition(node, offset, rootNode) { - var pathBits = [], n = node; - rootNode = rootNode || dom.getDocument(node).documentElement; - while (n && n != rootNode) { - pathBits.push(dom.getNodeIndex(n, true)); - n = n.parentNode; - } - return pathBits.join("/") + ":" + offset; - } - - function deserializePosition(serialized, rootNode, doc) { - if (!rootNode) { - rootNode = (doc || document).documentElement; - } - var bits = serialized.split(":"); - var node = rootNode; - var nodeIndices = bits[0] ? bits[0].split("/") : [], i = nodeIndices.length, nodeIndex; - - while (i--) { - nodeIndex = parseInt(nodeIndices[i], 10); - if (nodeIndex < node.childNodes.length) { - node = node.childNodes[nodeIndex]; - } else { - throw module.createError("deserializePosition() failed: node " + dom.inspectNode(node) + - " has no child with index " + nodeIndex + ", " + i); - } - } - - return new dom.DomPosition(node, parseInt(bits[1], 10)); - } - - function serializeRange(range, omitChecksum, rootNode) { - rootNode = rootNode || api.DomRange.getRangeDocument(range).documentElement; - if (!dom.isOrIsAncestorOf(rootNode, range.commonAncestorContainer)) { - throw module.createError("serializeRange(): range " + range.inspect() + - " is not wholly contained within specified root node " + dom.inspectNode(rootNode)); - } - var serialized = serializePosition(range.startContainer, range.startOffset, rootNode) + "," + - serializePosition(range.endContainer, range.endOffset, rootNode); - if (!omitChecksum) { - serialized += "{" + getElementChecksum(rootNode) + "}"; - } - return serialized; - } - - function deserializeRange(serialized, rootNode, doc) { - if (rootNode) { - doc = doc || dom.getDocument(rootNode); - } else { - doc = doc || document; - rootNode = doc.documentElement; - } - var result = /^([^,]+),([^,\{]+)(\{([^}]+)\})?$/.exec(serialized); - var checksum = result[4], rootNodeChecksum = getElementChecksum(rootNode); - if (checksum && checksum !== getElementChecksum(rootNode)) { - throw module.createError("deserializeRange(): checksums of serialized range root node (" + checksum + - ") and target root node (" + rootNodeChecksum + ") do not match"); - } - var start = deserializePosition(result[1], rootNode, doc), end = deserializePosition(result[2], rootNode, doc); - var range = api.createRange(doc); - range.setStartAndEnd(start.node, start.offset, end.node, end.offset); - return range; - } - - function canDeserializeRange(serialized, rootNode, doc) { - if (!rootNode) { - rootNode = (doc || document).documentElement; - } - var result = /^([^,]+),([^,]+)(\{([^}]+)\})?$/.exec(serialized); - var checksum = result[3]; - return !checksum || checksum === getElementChecksum(rootNode); - } - - function serializeSelection(selection, omitChecksum, rootNode) { - selection = api.getSelection(selection); - var ranges = selection.getAllRanges(), serializedRanges = []; - for (var i = 0, len = ranges.length; i < len; ++i) { - serializedRanges[i] = serializeRange(ranges[i], omitChecksum, rootNode); - } - return serializedRanges.join("|"); - } - - function deserializeSelection(serialized, rootNode, win) { - if (rootNode) { - win = win || dom.getWindow(rootNode); - } else { - win = win || window; - rootNode = win.document.documentElement; - } - var serializedRanges = serialized.split("|"); - var sel = api.getSelection(win); - var ranges = []; - - for (var i = 0, len = serializedRanges.length; i < len; ++i) { - ranges[i] = deserializeRange(serializedRanges[i], rootNode, win.document); - } - sel.setRanges(ranges); - - return sel; - } - - function canDeserializeSelection(serialized, rootNode, win) { - var doc; - if (rootNode) { - doc = win ? win.document : dom.getDocument(rootNode); - } else { - win = win || window; - rootNode = win.document.documentElement; - } - var serializedRanges = serialized.split("|"); - - for (var i = 0, len = serializedRanges.length; i < len; ++i) { - if (!canDeserializeRange(serializedRanges[i], rootNode, doc)) { - return false; - } - } - - return true; - } - - var cookieName = "rangySerializedSelection"; - - function getSerializedSelectionFromCookie(cookie) { - var parts = cookie.split(/[;,]/); - for (var i = 0, len = parts.length, nameVal, val; i < len; ++i) { - nameVal = parts[i].split("="); - if (nameVal[0].replace(/^\s+/, "") == cookieName) { - val = nameVal[1]; - if (val) { - return decodeURIComponent(val.replace(/\s+$/, "")); - } - } - } - return null; - } - - function restoreSelectionFromCookie(win) { - win = win || window; - var serialized = getSerializedSelectionFromCookie(win.document.cookie); - if (serialized) { - deserializeSelection(serialized, win.doc); - } - } - - function saveSelectionCookie(win, props) { - win = win || window; - props = (typeof props == "object") ? props : {}; - var expires = props.expires ? ";expires=" + props.expires.toUTCString() : ""; - var path = props.path ? ";path=" + props.path : ""; - var domain = props.domain ? ";domain=" + props.domain : ""; - var secure = props.secure ? ";secure" : ""; - var serialized = serializeSelection(api.getSelection(win)); - win.document.cookie = encodeURIComponent(cookieName) + "=" + encodeURIComponent(serialized) + expires + path + domain + secure; - } - - api.serializePosition = serializePosition; - api.deserializePosition = deserializePosition; - - api.serializeRange = serializeRange; - api.deserializeRange = deserializeRange; - api.canDeserializeRange = canDeserializeRange; - - api.serializeSelection = serializeSelection; - api.deserializeSelection = deserializeSelection; - api.canDeserializeSelection = canDeserializeSelection; - - api.restoreSelectionFromCookie = restoreSelectionFromCookie; - api.saveSelectionCookie = saveSelectionCookie; - - api.getElementChecksum = getElementChecksum; - api.nodeToInfoString = nodeToInfoString; -}); +rangy.createModule("Serializer",["WrappedSelection"],function(a,b){function f(a){return a.replace(/</g,"&lt;").replace(/>/g,"&gt;")}function g(a,b){b=b||[];var c=a.nodeType,d=a.childNodes,e=d.length,h=[c,a.nodeName,e].join(":"),i="",j="";switch(c){case 3:i=f(a.nodeValue);break;case 8:i="<!--"+f(a.nodeValue)+"-->";break;default:i="<"+h+">",j="</>"}i&&b.push(i);for(var k=0;k<e;++k)g(d[k],b);return j&&b.push(j),b}function h(a){var b=g(a).join("");return d(b).toString(16)}function i(a,b,c){var d=[],f=a;c=c||e.getDocument(a).documentElement;while(f&&f!=c)d.push(e.getNodeIndex(f,!0)),f=f.parentNode;return d.join("/")+":"+b}function j(a,c,d){c||(c=(d||document).documentElement);var f=a.split(":"),g=c,h=f[0]?f[0].split("/"):[],i=h.length,j;while(i--){j=parseInt(h[i],10);if(!(j<g.childNodes.length))throw b.createError("deserializePosition() failed: node "+e.inspectNode(g)+" has no child with index "+j+", "+i);g=g.childNodes[j]}return new e.DomPosition(g,parseInt(f[1],10))}function k(c,d,f){f=f||a.DomRange.getRangeDocument(c).documentElement;if(!e.isOrIsAncestorOf(f,c.commonAncestorContainer))throw b.createError("serializeRange(): range "+c.inspect()+" is not wholly contained within specified root node "+e.inspectNode(f));var g=i(c.startContainer,c.startOffset,f)+","+i(c.endContainer,c.endOffset,f);return d||(g+="{"+h(f)+"}"),g}function l(c,d,f){d?f=f||e.getDocument(d):(f=f||document,d=f.documentElement);var g=/^([^,]+),([^,\{]+)(\{([^}]+)\})?$/.exec(c),i=g[4],k=h(d);if(i&&i!==h(d))throw b.createError("deserializeRange(): checksums of serialized range root node ("+i+") and target root node ("+k+") do not match");var l=j(g[1],d,f),m=j(g[2],d,f),n=a.createRange(f);return n.setStartAndEnd(l.node,l.offset,m.node,m.offset),n}function m(a,b,c){b||(b=(c||document).documentElement);var d=/^([^,]+),([^,]+)(\{([^}]+)\})?$/.exec(a),e=d[3];return!e||e===h(b)}function n(b,c,d){b=a.getSelection(b);var e=b.getAllRanges(),f=[];for(var g=0,h=e.length;g<h;++g)f[g]=k(e[g],c,d);return f.join("|")}function o(b,c,d){c?d=d||e.getWindow(c):(d=d||window,c=d.document.documentElement);var f=b.split("|"),g=a.getSelection(d),h=[];for(var i=0,j=f.length;i<j;++i)h[i]=l(f[i],c,d.document);return g.setRanges(h),g}function p(a,b,c){var d;b?d=c?c.document:e.getDocument(b):(c=c||window,b=c.document.documentElement);var f=a.split("|");for(var g=0,h=f.length;g<h;++g)if(!m(f[g],b,d))return!1;return!0}function r(a){var b=a.split(/[;,]/);for(var c=0,d=b.length,e,f;c<d;++c){e=b[c].split("=");if(e[0].replace(/^\s+/,"")==q){f=e[1];if(f)return decodeURIComponent(f.replace(/\s+$/,""))}}return null}function s(a){a=a||window;var b=r(a.document.cookie);b&&o(b,a.doc)}function t(b,c){b=b||window,c=typeof c=="object"?c:{};var d=c.expires?";expires="+c.expires.toUTCString():"",e=c.path?";path="+c.path:"",f=c.domain?";domain="+c.domain:"",g=c.secure?";secure":"",h=n(a.getSelection(b));b.document.cookie=encodeURIComponent(q)+"="+encodeURIComponent(h)+d+e+f+g}var c="undefined";(typeof encodeURIComponent==c||typeof decodeURIComponent==c)&&b.fail("Global object is missing encodeURIComponent and/or decodeURIComponent method");var d=function(){function a(a){var b=[];for(var c=0,d=a.length,e;c<d;++c)e=a.charCodeAt(c),e<128?b.push(e):e<2048?b.push(e>>6|192,e&63|128):b.push(e>>12|224,e>>6&63|128,e&63|128);return b}function c(){var a=[];for(var b=0,c,d;b<256;++b){d=b,c=8;while(c--)(d&1)==1?d=d>>>1^3988292384:d>>>=1;a[b]=d>>>0}return a}function d(){return b||(b=c()),b}var b=null;return function(b){var c=a(b),e=-1,f=d();for(var g=0,h=c.length,i;g<h;++g)i=(e^c[g])&255,e=e>>>8^f[i];return(e^-1)>>>0}}(),e=a.dom,q="rangySerializedSelection";a.serializePosition=i,a.deserializePosition=j,a.serializeRange=k,a.deserializeRange=l,a.canDeserializeRange=m,a.serializeSelection=n,a.deserializeSelection=o,a.canDeserializeSelection=p,a.restoreSelectionFromCookie=s,a.saveSelectionCookie=t,a.getElementChecksum=h,a.nodeToInfoString=g}) \ No newline at end of file