Add ZipReader and XmlStreamReader

src/xlsx/xlsxzipreader.cpp

@@ -0,0 +1,48 @@
+#include "xlsxzipreader_p.h"
+
+#include <private/qzipreader_p.h>
+
+namespace QXlsx {
+
+ZipReader::ZipReader(const QString &filePath) :
+    m_reader(new QZipReader(filePath))
+{
+    init();
+}
+
+ZipReader::ZipReader(QIODevice *device) :
+    m_reader(new QZipReader(device))
+{
+    init();
+}
+
+ZipReader::~ZipReader()
+{
+
+}
+
+void ZipReader::init()
+{
+    QList<QZipReader::FileInfo> allFiles = m_reader->fileInfoList();
+    foreach (const QZipReader::FileInfo &fi, allFiles) {
+        if (fi.isFile)
+            m_filePaths.append(fi.filePath);
+    }
+}
+
+bool ZipReader::exists() const
+{
+    return m_reader->exists();
+}
+
+QStringList ZipReader::filePaths() const
+{
+    return m_filePaths;
+}
+
+QByteArray ZipReader::fileData(const QString &fileName) const
+{
+    return m_reader->fileData(fileName);
+}
+
+} // namespace QXlsx