convert to using stream offset type for stream offsets

1 files changed, 39 insertions, 0 deletions

diff --git a/src/xref.h b/src/xref.h
new file mode 100644
index 0000000..e53f2b2
--- /dev/null
+++ b/src/xref.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of libnspdf.
+ *
+ * Licensed under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ */
+
+/**
+ * \file
+ * NetSurf PDF library cross reference table handling
+ */
+
+#ifndef NSPDF__XREF_H_
+#define NSPDF__XREF_H_
+
+#include "cos_stream.h"
+
+struct nspdf_doc;
+struct cos_object;
+
+/**
+ * parse xref from file
+ */
+nspdferror nspdf__xref_parse(struct nspdf_doc *doc, struct cos_stream *stream, strmoff_t *offset_out);
+
+
+/**
+ * get an object dereferencing through xref table if necessary
+ */
+nspdferror nspdf__xref_get_referenced(struct nspdf_doc *doc, struct cos_object **cobj_out);
+
+/**
+ * allocate storage for cross reference table
+ */
+nspdferror nspdf__xref_allocate(struct nspdf_doc *doc, int64_t size);
+
+#endif