split code up a bit

1 files changed, 42 insertions, 0 deletions

diff --git a/src/pdf_doc.h b/src/pdf_doc.h
new file mode 100644
index 0000000..696c121
--- /dev/null
+++ b/src/pdf_doc.h
@@ -0,0 +1,42 @@
+/** indirect object */
+struct xref_table_entry {
+    /* reference identifier */
+    struct cos_reference ref;
+
+    /** offset of object */
+    uint64_t offset;
+
+    /* indirect object if already decoded */
+    struct cos_object *o;
+};
+
+
+/** pdf document */
+struct pdf_doc {
+    uint8_t *buffer;
+    uint64_t buffer_length;
+
+    uint8_t *start; /* start of pdf document in input stream */
+    uint64_t length;
+
+    int major;
+    int minor;
+
+    /**
+     * Indirect object cross reference table
+     */
+    uint64_t xref_size;
+    struct xref_table_entry *xref_table;
+
+    struct cos_object *root;
+    struct cos_object *encrypt;
+    struct cos_object *info;
+    struct cos_object *id;
+
+};
+
+/* byte data acessory, allows for more complex buffer handling in future */
+#define DOC_BYTE(doc, offset) (doc->start[(offset)])
+
+int doc_skip_ws(struct pdf_doc *doc, uint64_t *offset);
+int doc_skip_eol(struct pdf_doc *doc, uint64_t *offset);