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authorAlexander Kurtakov2012-04-19 16:58:16 -0400
committerAlexander Kurtakov2012-04-19 16:58:16 -0400
commitb15459e5f9da531eca4ecd18804cc7bf6be0eba4 (patch)
tree888fda4ee6be9878d6bd915fee7b07612b6a977f /libhover
parentad4735fb7d4d0987c2c2adef61346715d5bfe572 (diff)
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Use title from the devhelp2 file.
It is way more informative than the directory name.
Diffstat (limited to 'libhover')
-rw-r--r--libhover/org.eclipse.linuxtools.cdt.libhover.devhelp/src/org/eclipse/linuxtools/internal/cdt/libhover/devhelp/DevHelpTopic.java76
1 files changed, 75 insertions, 1 deletions
diff --git a/libhover/org.eclipse.linuxtools.cdt.libhover.devhelp/src/org/eclipse/linuxtools/internal/cdt/libhover/devhelp/DevHelpTopic.java b/libhover/org.eclipse.linuxtools.cdt.libhover.devhelp/src/org/eclipse/linuxtools/internal/cdt/libhover/devhelp/DevHelpTopic.java
index ea1406128d..77705b3280 100644
--- a/libhover/org.eclipse.linuxtools.cdt.libhover.devhelp/src/org/eclipse/linuxtools/internal/cdt/libhover/devhelp/DevHelpTopic.java
+++ b/libhover/org.eclipse.linuxtools.cdt.libhover.devhelp/src/org/eclipse/linuxtools/internal/cdt/libhover/devhelp/DevHelpTopic.java
@@ -10,17 +10,91 @@
*******************************************************************************/
package org.eclipse.linuxtools.internal.cdt.libhover.devhelp;
+import java.io.File;
+import java.io.IOException;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
import org.eclipse.core.expressions.IEvaluationContext;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
import org.eclipse.help.ITopic;
import org.eclipse.help.IUAElement;
+import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.linuxtools.cdt.libhover.devhelp.DevHelpPlugin;
+import org.eclipse.linuxtools.internal.cdt.libhover.devhelp.preferences.PreferenceConstants;
+import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
public class DevHelpTopic implements ITopic {
private String name;
+ private XPath xpath;
+ private String label;
DevHelpTopic(String name) {
this.name = name;
+ xpath = XPathFactory.newInstance().newXPath();
+ init();
+ }
+
+ private void init() {
+ IPreferenceStore ps = DevHelpPlugin.getDefault().getPreferenceStore();
+ IPath devhelpLocation = new Path(
+ ps.getString(PreferenceConstants.DEVHELP_DIRECTORY)).append(
+ name).append(name + ".devhelp2");
+ File devhelpFile = devhelpLocation.toFile();
+ if (devhelpFile.exists()) {
+ DocumentBuilderFactory docfactory = DocumentBuilderFactory
+ .newInstance();
+ docfactory.setValidating(false);
+ try {
+ docfactory.setFeature("http://xml.org/sax/features/namespaces",
+ false);
+ docfactory.setFeature("http://xml.org/sax/features/validation",
+ false);
+ docfactory
+ .setFeature(
+ "http://apache.org/xml/features/nonvalidating/load-dtd-grammar",
+ false);
+ docfactory
+ .setFeature(
+ "http://apache.org/xml/features/nonvalidating/load-external-dtd",
+ false);
+
+ DocumentBuilder docbuilder = docfactory.newDocumentBuilder();
+ Document docroot = docbuilder.parse(devhelpLocation.toFile());
+
+ label = xpathEval("/book/@title", docroot);
+ if (label.equals("")) {
+ label = name;
+ }
+ } catch (ParserConfigurationException e) {
+ e.printStackTrace();
+ } catch (SAXException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ } else {
+ label = name;
+ }
+
+ }
+
+ private String xpathEval(String path, Document docroot) {
+ String result = "";
+ try {
+ result = xpath.evaluate(path, docroot);
+ } catch (XPathExpressionException e) {
+ e.printStackTrace();
+ }
+ return result;
}
@Override
@@ -41,7 +115,7 @@ public class DevHelpTopic implements ITopic {
@Override
public String getLabel() {
- return name;
+ return label;
}
@Override

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