Add PDFVersion class

1 files changed, 69 insertions, 0 deletions

diff --git a/libqpdf/PDFVersion.cc b/libqpdf/PDFVersion.cc
new file mode 100644
index 00000000..c2f28bf8
--- /dev/null
+++ b/libqpdf/PDFVersion.cc
@@ -0,0 +1,69 @@
+#include <qpdf/PDFVersion.hh>
+
+#include <qpdf/QUtil.hh>
+
+PDFVersion::PDFVersion() :
+    PDFVersion(0, 0, 0)
+{
+}
+
+PDFVersion::PDFVersion(int major, int minor, int extension) :
+    major(major),
+    minor(minor),
+    extension(extension)
+{
+}
+
+bool
+PDFVersion::operator<(PDFVersion const& rhs) const
+{
+    return ((this->major < rhs.major) ? true :
+            (this->major > rhs.major) ? false :
+            (this->minor < rhs.minor) ? true :
+            (this->minor > rhs.minor) ? false :
+            (this->extension < rhs.minor) ? true :
+            false);
+}
+
+bool
+PDFVersion::operator==(PDFVersion const& rhs) const
+{
+    return ((this->major == rhs.major) &&
+            (this->minor == rhs.minor) &&
+            (this->extension == rhs.extension));
+}
+
+void
+PDFVersion::updateIfGreater(PDFVersion const& other)
+{
+    if (*this < other)
+    {
+        *this = other;
+    }
+}
+
+void
+PDFVersion::getVersion(std::string& version, int& extension_level) const
+{
+    extension_level = this->extension;
+    version = QUtil::int_to_string(this->major) + "." +
+        QUtil::int_to_string(this->minor);
+}
+
+int
+PDFVersion::getMajor() const
+{
+    return this->major;
+}
+
+int
+PDFVersion::getMinor() const
+{
+    return this->minor;
+}
+
+int
+PDFVersion::getExtensionLevel() const
+{
+    return this->extension;
+}