1 files changed, 86 insertions, 0 deletions
diff --git a/src/cnki.h b/src/cnki.h
new file mode 100644
index 0000000..6e3565f
--- /dev/null
+++ b/src/cnki.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2020, yzrh <yzrh@tuta.io>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#define ADDRESS_HEAD		0x0000
+
+#define ADDRESS_CAJ_PAGE	0x0010
+#define ADDRESS_CAJ_OUTLINE	0x0110
+#define ADDRESS_CAJ_BODY	0x0014
+
+#define ADDRESS_HN_PAGE		0x0090
+#define ADDRESS_HN_OUTLINE	0x0158
+
+#define ADDRESS_KDH_BODY	0x00fe
+
+#define KEY_KDH			"FZHMEI"
+#define KEY_KDH_LENGTH		6
+
+typedef struct _file_stat_t {
+	char type[4];
+	int32_t page;
+	int32_t outline;
+} file_stat_t;
+
+typedef struct _object_outline_t {
+	char title[256]; /* Starting at file_stat_t->outline + 4 */
+	char hierarchy[24];
+	char page[12];
+	char text[12];
+	int32_t depth;
+	struct _object_outline_t *next;
+} object_outline_t;
+
+typedef struct _object_outline_tree_t {
+	int id;
+	struct _object_outline_t *item;
+	struct _object_outline_tree_t *up;
+	struct _object_outline_tree_t *left;
+	struct _object_outline_tree_t *right;
+} object_outline_tree_t;
+
+typedef enum _nh_code {
+	CCITTFAX,
+	DCT_0,
+	DCT_1,
+	JBIG2,
+	JPX
+} nh_code;
+
+typedef struct _object_nh_t {
+	int32_t address; /* Starting at end of object_outline_t */
+	int32_t size;
+	int16_t page[2];
+	int32_t zero[2];
+	char *text;
+	int32_t image_format; /* nh_code */
+	int32_t image_address;
+	int32_t image_size;
+	char *image;
+	struct _object_nh_t *next;
+} object_nh_t;
+
+typedef struct _cnki_t {
+	int stat;
+	int size_buf;
+	FILE *fp_i;
+	FILE *fp_o;
+	file_stat_t *file_stat;
+	object_outline_t *object_outline;
+	object_nh_t *object_nh;
+} cnki_t;
+
+/* cnki_pdf.c */
+int cnki_pdf(cnki_t **param);
+
+/* cnki_outline_tree.c */
+int cnki_outline_tree(object_outline_tree_t **outline_tree,
+	object_outline_t **outline, int *ids);
+
+/* cnki_xml.c */
+int cnki_xml(char **xml, FILE **fp);