1 files changed, 61 insertions, 0 deletions
diff --git a/src/pdf.h b/src/pdf.h
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index 0000000..61f64d5
--- /dev/null
+++ b/src/pdf.h
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+/*
+ * Copyright (c) 2020, yzrh <yzrh@tuta.io>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdio.h>
+
+typedef struct _pdf_object_t {
+	int address;
+	int size;
+	int id;
+	int object_size;
+	char *object;
+	int dictionary_size;
+	char *dictionary;
+	int stream_size;
+	char *stream;
+	struct _pdf_object_t *next;
+} pdf_object_t;
+
+/* pdf.c */
+/* TODO: Rewrite object dictionary */
+/* TODO: Compact object id */
+/* TODO: `mutool clean -gggsz' */
+int pdf_obj_create(pdf_object_t **pdf);
+void pdf_obj_destroy(pdf_object_t **pdf);
+int pdf_obj_add(pdf_object_t **pdf, int id,
+	const char * restrict object,
+	const char * restrict dictionary,
+	const char * restrict stream);
+int pdf_obj_del(pdf_object_t **pdf, int id);
+int pdf_obj_prepend(pdf_object_t **pdf, int id,
+	const char * restrict object,
+	const char * restrict dictionary,
+	const char * restrict stream);
+int pdf_obj_append(pdf_object_t **pdf, int id,
+	const char * restrict object,
+	const char * restrict dictionary,
+	const char * restrict stream);
+int pdf_obj_sort(pdf_object_t **pdf);
+
+/* pdf_parser.c */
+int pdf_load(pdf_object_t **pdf, FILE **fp, int size_buf);
+
+/* pdf_writer.c */
+int pdf_dump_obj(pdf_object_t **pdf, FILE **fp);
+int pdf_dump_header(pdf_object_t **pdf, FILE **fp);
+int pdf_dump_xref(pdf_object_t **pdf, FILE **fp);
+int pdf_dump_trailer(pdf_object_t **pdf, FILE **fp, int xref);
+
+/* pdf_get.c */
+int pdf_get_obj(pdf_object_t **pdf, int id, pdf_object_t **obj);
+int pdf_get_count(pdf_object_t **pdf);
+int pdf_get_size(pdf_object_t **pdf);
+int pdf_get_free_id(pdf_object_t **pdf);
+int pdf_get_free_ids(pdf_object_t **pdf, int **ids, int count);
+int pdf_get_catalog_id(pdf_object_t **pdf);
+int pdf_get_parent_id(pdf_object_t **pdf, int **id);
+int pdf_get_kid_id(pdf_object_t **pdf, int id, int **kid);
+int pdf_get_kid_count(pdf_object_t **pdf, int id);