2 * This file is part of NeverNote
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3 * Copyright 2009 Randy Baumgarte
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5 * This file may be licensed under the terms of of the
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6 * GNU General Public License Version 2 (the ``GPL'').
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8 * Software distributed under the License is distributed
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9 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
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10 * express or implied. See the GPL for the specific language
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11 * governing rights and limitations.
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13 * You should have received a copy of the GPL along with this
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14 * program. If not, go to http://www.gnu.org/licenses/gpl.html
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15 * or write to the Free Software Foundation, Inc.,
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16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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21 package cx.fbn.nevernote.xml;
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23 import java.util.ArrayList;
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24 import java.util.List;
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26 import com.trolltech.qt.xml.QDomDocument;
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27 import com.trolltech.qt.xml.QDomElement;
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28 import com.trolltech.qt.xml.QDomNode;
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29 import com.trolltech.qt.xml.QDomNodeList;
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30 import com.trolltech.qt.xml.QDomText;
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32 import cx.fbn.nevernote.Global;
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33 import cx.fbn.nevernote.evernote.EnCrypt;
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35 public class XMLCleanup {
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36 private String content;
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37 private QDomDocument doc;
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38 private final List<String> resources;
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40 public XMLCleanup() {
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41 resources = new ArrayList<String>();
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45 public void setValue(String text) {
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47 /* content = content.replace("<HR>", "<hr/>");
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48 content = content.replace("<hr>", "<hr/>");
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49 content = content.replace("</HR>", "");
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50 content = content.replace("</hr>", ""); */
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52 public String getValue() {
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55 // Validate the contents of the note. Change unsupported things
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56 public void validate() {
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57 doc = new QDomDocument();
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58 int br = content.lastIndexOf("</en-note>");
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59 content = new String(content.substring(0,br));
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61 int k = content.indexOf("<en-note");
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64 newContent = new String(content.substring(k));
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67 // Fix the background color
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70 newContent = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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71 +"<!DOCTYPE en-note SYSTEM \"http://xml.evernote.com/pub/enml2.dtd\">\n"
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75 QDomDocument.Result result = doc.setContent(newContent);
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76 if (!result.success) {
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77 System.out.println("DOM error in XMLValidator.validate()");
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78 System.out.println(newContent);
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79 System.out.println("Location : Line-"+result.errorLine +" Column-" + result.errorColumn);
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80 System.out.println("Exiting");
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85 QDomNodeList noteAnchors = doc.elementsByTagName("en-note");
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86 int noteCount = noteAnchors.length();
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87 for (int i=noteCount-1; i>=0; i--) {
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88 if (noteAnchors.at(i).toElement().hasAttribute("style")) {
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89 String style = noteAnchors.at(i).toElement().attribute("style");
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90 int startColor = style.indexOf("background-color:");
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91 if (startColor > -1) {
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92 String color = style.substring(startColor+17);
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93 color = color.substring(0,color.indexOf(";"));
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94 noteAnchors.at(i).toElement().setAttribute("bgcolor", color);
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101 // Remove invalid elements & attributes
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102 // Modify en-media tags
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103 QDomNodeList anchors;
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104 for (String key : Global.invalidAttributes.keySet()) {
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105 anchors = doc.elementsByTagName(key);
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106 int enMediaCount = anchors.length();
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107 for (int i=enMediaCount-1; i>=0; i--) {
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108 QDomElement element = anchors.at(i).toElement();
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109 ArrayList<String> names = Global.invalidAttributes.get(element.nodeName().toLowerCase());
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110 if (names != null) {
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111 for (int j=0; j<names.size(); j++) {
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112 element.removeAttribute(names.get(j));
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118 List<String> elements = Global.invalidElements;
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119 for (int j=0; j<elements.size(); j++) {
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120 anchors = doc.elementsByTagName(elements.get(j));
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121 int enMediaCount = anchors.length();
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122 for (int i=enMediaCount-1; i>=0; i--) {
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123 QDomElement element = anchors.at(i).toElement();
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124 element.setTagName("span");
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127 content = doc.toString();
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130 // Start looking through the tree.
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131 private void scanTags() {
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132 // System.out.println("scanTags start");
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133 // QDomElement element = doc.firstChildElement();
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134 // parseChildren(element.firstChild());
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136 if (doc.hasChildNodes())
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137 parseNodes(doc.childNodes());
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141 private void parseNodes(QDomNodeList nodes) {
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142 for (int i=0; i<nodes.size(); i++) {
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143 QDomNode node = nodes.at(i);
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144 if (node.hasChildNodes())
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145 parseNodes(node.childNodes());
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151 // Parse through individual nodes
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152 private void parseChildren(QDomNode node) {
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153 System.out.println("Starting parseChildren " +node.toElement().nodeName() +" : " +node.toElement().text());
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154 for(; !node.isNull(); node = node.nextSibling()) {
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155 if (node.hasChildNodes()) {
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156 QDomNodeList l = node.childNodes();
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158 for (int i=0; i<l.size(); i++) {
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159 System.out.println("Child node size: " +l.size() +" " +i);
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160 parseChildren(l.at(i));
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169 // Fix the contents of the node back to ENML.
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170 private void fixNode(QDomNode node) {
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171 QDomElement scanChecked = node.toElement();
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172 if (scanChecked.hasAttribute("checked")) {
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173 System.out.println(scanChecked.attribute("checked"));
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174 if (!scanChecked.attribute("checked").equalsIgnoreCase("true"))
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175 scanChecked.setAttribute("checked", "false");
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177 if (node.nodeName().equalsIgnoreCase("#comment") || node.nodeName().equalsIgnoreCase("script")) {
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178 node.parentNode().removeChild(node);
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180 if (node.nodeName().equalsIgnoreCase("input")) {
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181 QDomElement e = node.toElement();
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182 e.setTagName("en-todo");
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183 String value = e.attribute("value");
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184 e.removeAttribute("value");
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185 e.removeAttribute("unchecked");
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186 e.setAttribute("checked", value);
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187 e.removeAttribute("onclick");
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188 e.removeAttribute("type");
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192 if (node.nodeName().equalsIgnoreCase("a")) {
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193 QDomElement e = node.toElement();
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194 String enTag = e.attribute("en-tag");
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195 if (enTag.equalsIgnoreCase("en-media")) {
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196 e.setTagName("en-media");
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197 e.removeAttribute("en-type");
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198 e.removeAttribute("en-tag");
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199 e.removeAttribute("en-new");
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200 resources.add(e.attribute("guid"));
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201 e.removeAttribute("href");
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202 e.removeAttribute("guid");
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203 e.setNodeValue("");
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204 e.removeChild(e.firstChildElement());
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207 // Restore image resources
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208 if (node.nodeName().equalsIgnoreCase("img")) {
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209 QDomElement e = node.toElement();
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210 String enType = e.attribute("en-tag");
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212 // Check if we have an en-crypt tag. Change it from an img to en-crypt
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213 if (enType.equalsIgnoreCase("en-crypt")) {
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215 String encrypted = e.attribute("alt");
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217 QDomText crypt = doc.createTextNode(encrypted);
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218 e.appendChild(crypt);
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220 e.removeAttribute("v:shapes");
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221 e.removeAttribute("en-tag");
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222 e.removeAttribute("contenteditable");
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223 e.removeAttribute("alt");
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224 e.removeAttribute("src");
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225 e.removeAttribute("id");
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226 e.removeAttribute("onclick");
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227 e.removeAttribute("onmouseover");
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228 e.setTagName("en-crypt");
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229 node.removeChild(e);
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233 // If we've gotten this far, we have an en-media tag
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234 e.setTagName(enType);
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235 resources.add(e.attribute("guid"));
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236 e.removeAttribute("guid");
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237 e.removeAttribute("src");
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238 e.removeAttribute("en-new");
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239 e.removeAttribute("en-tag");
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242 // Tags like <ul><ul><li>1</li></ul></ul> are technically valid, but Evernote
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243 // expects that a <ul> tag only has a <li>, so we will need to change them
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244 // to this: <ul><li><ul><li>1</li></ul></li></ul>
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245 if (node.nodeName().equalsIgnoreCase("ul")) {
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246 QDomNode firstChild = node.firstChild();
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247 QDomElement childElement = firstChild.toElement();
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248 if (childElement.nodeName().equalsIgnoreCase("ul")) {
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249 QDomElement newElement = doc.createElement("li");
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250 node.insertBefore(newElement, firstChild);
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251 node.removeChild(firstChild);
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252 newElement.appendChild(firstChild);
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256 if (node.nodeName().equalsIgnoreCase("en-crypt-temp")) {
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257 QDomElement e = node.toElement();
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258 String slot = e.attribute("slot");
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259 e.removeAttribute("slot");
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260 String password = Global.passwordSafe.get(slot);
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261 Global.passwordSafe.remove(slot);
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262 EnCrypt crypt = new EnCrypt();
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263 String encrypted = crypt.encrypt(e.text(), password, 64);
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265 QDomText newText = doc.createTextNode(encrypted);
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266 e.appendChild(newText);
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267 e.removeChild(e.firstChild());
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268 e.setTagName("en-crypt");
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270 if (node.nodeName().equalsIgnoreCase("en-hilight")) {
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271 QDomElement e = node.toElement();
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272 QDomText newText = doc.createTextNode(e.text());
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273 e.parentNode().replaceChild(newText,e);
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275 if (node.nodeName().equalsIgnoreCase("span")) {
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276 QDomElement e = node.toElement();
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277 if (e.attribute("class").equalsIgnoreCase("en-hilight") || e.attribute("class").equalsIgnoreCase("en-spell")) {
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278 QDomText newText = doc.createTextNode(e.text());
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279 e.parentNode().replaceChild(newText,e);
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281 if (e.attribute("pdfnavigationtable").equalsIgnoreCase("true")) {
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282 node.parentNode().removeChild(node);
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289 // Return old resources we've found
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290 public List<String> getResources() {
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