Mercurial > eldonilo > barbecue
annotate sxe-document.js @ 7:853dcbe8f06f
Make barbecue work with latest Lightstring.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Thu, 02 Feb 2012 12:11:33 +0100 |
| parents | 24aa8dccb170 |
| children | 7b2ca4d5af6d |
| rev | line source |
|---|---|
| 5 | 1 'use strict'; |
| 2 | |
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Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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3 /** Copyright (c) 2012 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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4 * |
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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6 * of this software and associated documentation files (the "Software"), to |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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7 * deal in the Software without restriction, including without limitation the |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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changeset
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8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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9 * sell copies of the Software, and to permit persons to whom the Software is |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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10 * furnished to do so, subject to the following conditions: |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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11 * |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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12 * The above copyright notice and this permission notice shall be included in |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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13 * all copies or substantial portions of the Software. |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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14 * |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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24aa8dccb170
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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parents:
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17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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24aa8dccb170
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parents:
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21 * IN THE SOFTWARE. |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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22 */ |
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23 |
| 5 | 24 var Document = function(initiator, name, host, domId, prolog) { |
| 25 this.initiator = initiator; | |
| 26 this.name = name; | |
| 27 this.host = host; | |
| 28 | |
| 29 this.prolog = prolog || 'data:application/xhtml+xml,%3C%3Fxml%20version%3D%271.0%27%3F%3E%0A%3C%21DOCTYPE%20html%3E%0A'; | |
| 30 this.state = 'not-started'; | |
| 31 this.records = {}; | |
| 32 this.dom = document.getElementById(domId); | |
| 33 }; | |
| 34 | |
| 35 Document.prototype = { | |
| 36 add: function(jid, child) { | |
| 37 var record = new Record(jid, child); | |
| 38 | |
| 39 if (record.rid in this.records) | |
| 40 console.log('duplicate new'); | |
| 41 | |
| 42 this.records[record.rid] = record; | |
| 43 record.toDOM(this.records, this.dom); | |
| 44 }, | |
| 45 update: function(jid, child) { | |
| 46 var target = child.getAttributeNS(null, 'target'); | |
| 47 | |
| 48 if (!(target in this.records)) | |
| 49 return; // Ignore it. | |
| 50 | |
| 51 var record = this.records[target]; | |
| 52 console.log(record, child); | |
| 53 child.setAttributeNS(null, 'rid', target); | |
| 54 | |
| 55 var version = +child.getAttributeNS(null, 'version'); | |
| 56 if (this.state === 'getting-state') | |
| 57 record.version = version; | |
| 58 else | |
| 59 record.version++; | |
| 60 | |
| 61 if (record.version === version) { | |
| 62 var type = child.getAttributeNS(null, 'type'); | |
| 63 if (type === 'text' || type === 'attr' || type === 'comment') { | |
| 64 var chdata = child.getAttributeNS(null, 'chdata'); | |
| 65 var replacefrom = +child.getAttributeNS(null, 'replacefrom'); | |
| 66 var replacen = +child.getAttributeNS(null, 'replacen'); | |
| 67 if (chdata && replacefrom && replacen) { | |
| 68 var string = record.chdata.substr(0, replacefrom); | |
| 69 string += chdata; | |
| 70 string += record.chdata.substr(replacefrom + replacen); | |
| 71 child.removeAttributeNS(null, 'replacefrom'); | |
| 72 child.removeAttributeNS(null, 'replacen'); | |
| 73 child.setAttributeNS(null, 'chdata', string); | |
| 74 } | |
| 75 } | |
| 76 record.update(jid, child); | |
| 77 record.toDOM(this.records, this.dom); | |
| 78 } else | |
| 79 ; // Not sure I understand correctly. | |
| 80 }, | |
| 81 remove: function(jid, child) { | |
| 82 var rid = child.getAttributeNS(null, 'target'); | |
| 83 this.records[rid].remove(this.records); | |
| 84 delete this.records[rid]; | |
| 85 }, | |
| 86 processState: function(jid, elements) { | |
| 87 var i = 0; | |
| 88 var first = elements[0]; | |
| 89 if (first.localName === 'document-begin') { | |
| 90 if (this.state !== 'not-started') | |
| 91 return; //TODO: the session has already started. | |
| 92 i = 1; | |
| 93 this.prolog = first.getAttributeNS(null, 'prolog'); | |
| 94 this.state = 'getting-session'; | |
| 95 } | |
| 96 | |
| 97 //TODO: if the session isn’t started, should ignore changes? | |
| 98 | |
| 99 for (; i < elements.length; i++) { | |
| 100 var child = elements[i]; | |
| 101 var change = child.localName; | |
| 102 | |
| 103 switch (change) { | |
| 104 case 'new': | |
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Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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changeset
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105 this.add(jid, child); |
| 5 | 106 break; |
| 107 case 'set': | |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
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changeset
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108 this.update(jid, child); |
| 5 | 109 break; |
| 110 case 'remove': | |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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111 this.remove(jid, child); |
| 5 | 112 break; |
| 113 case 'document-end': | |
| 114 this.state = 'started'; | |
| 115 break; | |
| 116 } | |
| 117 } | |
| 118 }, | |
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Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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119 createState: function(state, root, parent) { |
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24aa8dccb170
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
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changeset
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120 if (!root) |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
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changeset
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121 root = this.dom; |
| 5 | 122 var children = root.childNodes; |
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Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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123 |
| 5 | 124 for (var i = 0; i < children.length; i++) { |
| 125 var child = children[i]; | |
| 126 var element = document.createElementNS(Lightstring.NS.sxe, 'new'); | |
| 127 var rid = Lightstring.newId('GUID'); | |
| 128 element.setAttributeNS(null, 'rid', rid); | |
| 129 | |
| 130 if (parent) | |
| 131 element.setAttributeNS(null, 'parent', parent); | |
| 132 | |
| 133 switch (child.nodeType) { | |
| 134 case 1: | |
| 135 element.setAttributeNS(null, 'type', 'element'); | |
| 136 element.setAttributeNS(null, 'ns', child.namespaceURI); | |
| 137 element.setAttributeNS(null, 'name', child.localName); | |
| 138 state.push(element); | |
| 139 | |
| 140 //TODO: move that elsewhere, or make it prettier. | |
| 141 var convertAttr = function(attr) { | |
| 142 var element = document.createElementNS(Lightstring.NS.sxe, 'new'); | |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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143 element.setAttributeNS(null, 'type', 'attr'); |
| 5 | 144 var arid = Lightstring.newId('GUID'); |
| 145 element.setAttributeNS(null, 'rid', arid); | |
| 146 element.setAttributeNS(null, 'parent', rid); | |
| 147 if (attr.namespaceURI) | |
| 148 element.setAttributeNS(null, 'ns', attr.namespaceURI); | |
| 149 element.setAttributeNS(null, 'name', attr.localName); | |
| 150 element.setAttributeNS(null, 'chdata', attr.textContent); | |
| 151 state.push(element); | |
| 152 }; | |
| 153 | |
| 154 for (var j = 0; j < child.attributes.length; j++) | |
| 155 convertAttr(child.attributes[j]); | |
| 156 | |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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157 state = this.createState(state, child, rid); |
| 5 | 158 break; |
| 159 | |
| 160 case 3: | |
| 161 element.setAttributeNS(null, 'type', 'text'); | |
| 162 element.setAttributeNS(null, 'chdata', child.textContent); | |
| 163 state.push(element); | |
| 164 break; | |
| 165 | |
| 166 case 7: | |
| 167 element.setAttributeNS(null, 'type', 'processinginstruction'); | |
| 168 element.setAttributeNS(null, 'pitarget', child.target); | |
| 169 element.setAttributeNS(null, 'pidata', child.data); | |
| 170 state.push(element); | |
| 171 break; | |
| 172 | |
| 173 case 8: | |
| 174 element.setAttributeNS(null, 'type', 'comment'); | |
| 175 element.setAttributeNS(null, 'chdata', child.textContent); | |
| 176 state.push(element); | |
| 177 break; | |
| 178 } | |
| 179 } | |
| 180 return state; | |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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181 }, |
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parents:
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182 empty: function() { |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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183 var children = this.dom.childNodes; |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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184 for (var i = children.length - 1; i >= 0; i--) |
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24aa8dccb170
Make XMPP actually work.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
5
diff
changeset
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185 this.dom.removeChild(children[i]); |
| 5 | 186 } |
| 187 }; |