Split pdf.h into subheaders.

1 files changed, 85 insertions, 0 deletions

diff --git a/include/mupdf/pdf/xref.h b/include/mupdf/pdf/xref.h
new file mode 100644
index 00000000..d4317bad
--- /dev/null
+++ b/include/mupdf/pdf/xref.h
@@ -0,0 +1,85 @@
+#ifndef MUPDF_PDF_XREF_H
+#define MUPDF_PDF_XREF_H
+
+/*
+	pdf_create_object: Allocate a slot in the xref table and return a fresh unused object number.
+*/
+int pdf_create_object(pdf_document *xref);
+
+/*
+	pdf_delete_object: Remove object from xref table, marking the slot as free.
+*/
+void pdf_delete_object(pdf_document *xref, int num);
+
+/*
+	pdf_update_object: Replace object in xref table with the passed in object.
+*/
+void pdf_update_object(pdf_document *xref, int num, pdf_obj *obj);
+
+/*
+	pdf_update_stream: Replace stream contents for object in xref table with the passed in buffer.
+
+	The buffer contents must match the /Filter setting.
+	If storing uncompressed data, make sure to delete the /Filter key from
+	the stream dictionary. If storing deflated data, make sure to set the
+	/Filter value to /FlateDecode.
+*/
+void pdf_update_stream(pdf_document *xref, int num, fz_buffer *buf);
+
+/*
+ * xref and object / stream api
+ */
+
+typedef struct pdf_xref_entry_s pdf_xref_entry;
+
+struct pdf_xref_entry_s
+{
+	char type;	/* 0=unset (f)ree i(n)use (o)bjstm */
+	int ofs;	/* file offset / objstm object number */
+	int gen;	/* generation / objstm index */
+	int stm_ofs;	/* on-disk stream */
+	fz_buffer *stm_buf; /* in-memory stream (for updated objects) */
+	pdf_obj *obj;	/* stored/cached object */
+};
+
+struct pdf_xref_s
+{
+	int len;
+	pdf_xref_entry *table;
+	pdf_obj *trailer;
+};
+
+void pdf_cache_object(pdf_document *doc, int num, int gen);
+
+int pdf_count_objects(pdf_document *doc);
+pdf_obj *pdf_resolve_indirect(pdf_obj *ref);
+pdf_obj *pdf_load_object(pdf_document *doc, int num, int gen);
+
+fz_buffer *pdf_load_raw_stream(pdf_document *doc, int num, int gen);
+fz_buffer *pdf_load_stream(pdf_document *doc, int num, int gen);
+fz_stream *pdf_open_raw_stream(pdf_document *doc, int num, int gen);
+fz_stream *pdf_open_stream(pdf_document *doc, int num, int gen);
+
+fz_stream *pdf_open_inline_stream(pdf_document *doc, pdf_obj *stmobj, int length, fz_stream *chain, fz_compression_params *params);
+fz_compressed_buffer *pdf_load_compressed_stream(pdf_document *doc, int num, int gen);
+fz_stream *pdf_open_stream_with_offset(pdf_document *doc, int num, int gen, pdf_obj *dict, int stm_ofs);
+fz_stream *pdf_open_compressed_stream(fz_context *ctx, fz_compressed_buffer *);
+fz_stream *pdf_open_contents_stream(pdf_document *xref, pdf_obj *obj);
+fz_buffer *pdf_load_raw_renumbered_stream(pdf_document *doc, int num, int gen, int orig_num, int orig_gen);
+fz_buffer *pdf_load_renumbered_stream(pdf_document *doc, int num, int gen, int orig_num, int orig_gen, int *truncated);
+fz_stream *pdf_open_raw_renumbered_stream(pdf_document *doc, int num, int gen, int orig_num, int orig_gen);
+
+pdf_obj *pdf_trailer(pdf_document *doc);
+void pdf_set_populating_xref_trailer(pdf_document *doc, pdf_obj *trailer);
+int pdf_xref_len(pdf_document *doc);
+pdf_xref_entry *pdf_get_populating_xref_entry(pdf_document *doc, int i);
+pdf_xref_entry *pdf_get_xref_entry(pdf_document *doc, int i);
+void pdf_replace_xref(pdf_document *doc, pdf_xref_entry *entries, int n);
+
+void pdf_repair_xref(pdf_document *doc, pdf_lexbuf *buf);
+void pdf_repair_obj_stms(pdf_document *doc);
+pdf_obj *pdf_new_ref(pdf_document *doc, pdf_obj *obj);
+
+void pdf_print_xref(pdf_document *);
+
+#endif