Add new Pl_OStream Pipeline

2 files changed, 36 insertions, 0 deletions

diff --git a/libqpdf/CMakeLists.txt b/libqpdf/CMakeLists.txt
index 72b87975..2d5685b4 100644
--- a/libqpdf/CMakeLists.txt
+++ b/libqpdf/CMakeLists.txt
@@ -44,6 +44,7 @@ set(libqpdf_SOURCES
   Pl_Flate.cc
   Pl_LZWDecoder.cc
   Pl_MD5.cc
+  Pl_OStream.cc
   Pl_PNGFilter.cc
   Pl_QPDFTokenizer.cc
   Pl_RC4.cc
diff --git a/libqpdf/Pl_OStream.cc b/libqpdf/Pl_OStream.cc
new file mode 100644
index 00000000..db0081df
--- /dev/null
+++ b/libqpdf/Pl_OStream.cc
@@ -0,0 +1,35 @@
+#include <qpdf/Pl_OStream.hh>
+
+#include <qpdf/QUtil.hh>
+#include <errno.h>
+#include <stdexcept>
+
+Pl_OStream::Members::Members(std::ostream& os) :
+    os(os)
+{
+}
+
+Pl_OStream::Pl_OStream(char const* identifier, std::ostream& os) :
+    Pipeline(identifier, 0),
+    m(new Members(os))
+{
+}
+
+Pl_OStream::~Pl_OStream()
+{
+    // Must be explicit and not inline -- see QPDF_DLL_CLASS in
+    // README-maintainer
+}
+
+void
+Pl_OStream::write(unsigned char const* buf, size_t len)
+{
+    this->m->os.write(
+        reinterpret_cast<char const*>(buf), static_cast<std::streamsize>(len));
+}
+
+void
+Pl_OStream::finish()
+{
+    this->m->os.flush();
+}