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/*
* Copyright (c) 2020, yzrh <yzrh@noema.org>
*
* 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);
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