Add QPDF::getXRefTable()

1 files changed, 71 insertions, 0 deletions

diff --git a/qpdf/test_xref.cc b/qpdf/test_xref.cc
new file mode 100644
index 00000000..9e04f3f7
--- /dev/null
+++ b/qpdf/test_xref.cc
@@ -0,0 +1,71 @@
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjGen.hh>
+#include <qpdf/QPDFXRefEntry.hh>
+
+#include <iostream>
+#include <map>
+#include <string>
+#include <cstdlib>
+
+int main(int argc, char *argv[])
+{
+    if (argc != 2)
+    {
+        std::cerr << "usage: test_xref INPUT.pdf" << std::endl;
+        std::exit(2);
+    }
+
+    try
+    {
+        QPDF qpdf;
+        qpdf.processFile(argv[1]);
+
+        std::map<QPDFObjGen, QPDFXRefEntry> xref
+            = qpdf.getXRefTable();
+
+        for (std::map<QPDFObjGen, QPDFXRefEntry>::iterator iter = xref.begin();
+             iter != xref.end(); ++iter)
+        {
+            std::cout
+                << iter->first.getObj() << "/" << iter->first.getGen()
+                << ", ";
+            switch (iter->second.getType())
+            {
+              case 0:
+                std::cout
+                    << "free entry"
+                    << std::endl;
+                break;
+              case 1:
+                std::cout
+                    << "uncompressed, offset = "
+                    << iter->second.getOffset()
+                    << " (0x"
+                    << std::hex << iter->second.getOffset() << std::dec
+                    << ")"
+                    << std::endl;
+                break;
+              case 2:
+                std::cout
+                    << "compressed, stream number = "
+                    << iter->second.getObjStreamNumber()
+                    << ", stream index = "
+                    << iter->second.getObjStreamIndex()
+                    << std::endl;
+                break;
+              default:
+                std::cerr
+                    << "unknown"
+                    << std::endl;
+                std::exit(2);
+            }
+        }
+    }
+    catch (std::exception& e)
+    {
+        std::cerr << e.what() << std::endl;
+        std::exit(2);
+    }
+
+    return 0;
+}