Initial code

[evehomescreen] / src / skilltree.cpp

diff --git a/src/skilltree.cpp b/src/skilltree.cpp
new file mode 100644 (file)
index 0000000..0bdfbe4
--- /dev/null
+++ b/src/skilltree.cpp
@@ -0,0 +1,109 @@
+#include "skilltree.h"
+#include <QFile>
+#include <QDataStream>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QNetworkRequest>
+#include <QtDebug>
+#include <QXmlStreamReader>
+#include <assert.h>
+
+SkillTree::SkillTree(QObject *parent) :
+    QObject(parent),
+    mgr(0),
+    reply(0)
+{
+    QFile cacheFile("/var/tmp/skillCache");
+    if (cacheFile.exists()) {
+        QDataStream input(&cacheFile);
+        input >> skillNames;
+    } else {
+        // load from network
+
+    }
+
+}
+
+void SkillTree::loadSkills()
+{
+    QFile cacheFile("/var/tmp/skillCache");
+    if (cacheFile.exists()) {
+        cacheFile.open(QIODevice::ReadOnly);
+        qDebug() << "Load from file";
+        QDataStream input(&cacheFile);
+        input >> skillNames;
+        emit skillsLoaded();
+    } else {
+        // load from network
+        qDebug() << "load skills from network";
+        mgr = new QNetworkAccessManager(this);
+        QNetworkRequest req(QUrl("http://api.eveonline.com//eve/SkillTree.xml.aspx"));
+        reply = mgr->get(req);
+        connect(reply,SIGNAL(finished()),this,SLOT(replyReady()));
+    }
+}
+
+void SkillTree::replyReady()
+{
+    qDebug() << "Reply ready";
+    if (!reply->error()) {
+        QByteArray replyContent = reply->readAll();
+        qDebug() << replyContent;
+        fromXml(replyContent);
+        emit skillsLoaded();
+    } else {
+        qDebug() << "fetch error:" << reply->errorString();
+    }
+}
+
+void SkillTree::fromXml(QByteArray &content)
+{
+    QXmlStreamReader xml(content);
+    xml.readNextStartElement(); //eveapi
+    //assert(xml.name() == "eveapi");
+    xml.readNextStartElement(); //currentTime
+    xml.skipCurrentElement();
+    //assert(xml.name() == "currentTime");
+    xml.readNextStartElement(); //result
+    xml.readNextStartElement(); // rowset for skill groups
+    bool groupsLeft = xml.readNextStartElement(); // row for skill group
+    while (groupsLeft) {
+        xml.readNextStartElement(); // rowset for skills
+        bool skillsLeft = xml.readNextStartElement(); // row for skill
+        while (skillsLeft) {
+            assert(xml.name() == "row");
+            QString name = xml.attributes().value("","typeName").toString();
+            int typeId = xml.attributes().value("","typeID").toString().toInt();
+            qDebug() << "Found skill " << name << ":" << typeId;
+            skillNames[typeId] = name;
+
+            xml.skipCurrentElement(); // description
+            skillsLeft = xml.readNextStartElement(); // next skill row
+        }
+        xml.readNextStartElement(); // rowset ends
+        groupsLeft = xml.readNextStartElement(); // next skill group row
+    }
+    int len = 0;
+    QString name;
+    QString longestName;
+    foreach (name,skillNames) {
+        if (name.length() > len) {
+            longestName = name;
+            len = name.length();
+        }
+    }
+
+    qDebug() << skillNames;
+    qDebug() << longestName;
+}
+
+void SkillTree::save()
+{
+    QFile cache("/var/tmp/skillCache");
+    cache.open(QIODevice::WriteOnly);
+    QDataStream output(&cache);
+    output << skillNames;
+    cache.flush();
+    cache.close();
+}
+