From 12ecdd71592eccf7bdb6214edbc7318246469c1c Mon Sep 17 00:00:00 2001
From: yzrh <yzrh@tuta.io>
Date: Fri, 14 Aug 2020 22:04:26 +0000
Subject: Initial commit.

---
 src/cnki_nh.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 src/cnki_nh.c

(limited to 'src/cnki_nh.c')

diff --git a/src/cnki_nh.c b/src/cnki_nh.c
new file mode 100644
index 0000000..7b9378f
--- /dev/null
+++ b/src/cnki_nh.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2020, yzrh <yzrh@tuta.io>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdlib.h>
+
+#include "cnki.h"
+
+int
+cnki_nh(cnki_t **param)
+{
+	if (*param == NULL)
+		return 1;
+
+	if ((*param)->stat > 0)
+		printf("Begin 'HN' conversion\n");
+
+	if ((*param)->file_stat->page > 0)
+		(*param)->object_nh = malloc(sizeof(object_nh_t));
+	else
+		return 1;
+
+	if ((*param)->object_nh == NULL)
+		return 1;
+
+	if ((*param)->stat > 1) {
+		printf("Loading page(s)\n");
+		printf("\t%8s\t%8s\t%13s\t%6s\t%4s\t%8s\t%8s\n",
+			"address",
+			"text",
+			"page",
+			"zero",
+			"code",
+			"address",
+			"image");
+	}
+
+	object_nh_t *ptr = (*param)->object_nh;
+	for (int i = 0; i < (*param)->file_stat->page; i++) {
+		fread(&ptr->address, 4, 1, (*param)->fp_i);
+		fread(&ptr->size, 4, 1, (*param)->fp_i);
+		fread(&ptr->page, 4, 1, (*param)->fp_i);
+		fread(&ptr->zero, 8, 1, (*param)->fp_i);
+
+		ptr->text = NULL;
+		ptr->image_format = -1;
+		ptr->image_address = 0;
+		ptr->image_size = 0;
+		ptr->image = NULL;
+		ptr->next = NULL;
+
+		if (i < (*param)->file_stat->page - 1) {
+			ptr->next = malloc(sizeof(object_nh_t));
+
+			if (ptr->next == NULL)
+				return 1;
+		}
+
+		ptr = ptr->next;
+	}
+
+	ptr = (*param)->object_nh;
+	while (ptr != NULL) {
+		ptr->text = malloc(ptr->size);
+
+		if (ptr->text == NULL)
+			return 1;
+
+		fseek((*param)->fp_i, ptr->address, SEEK_SET);
+		fread(ptr->text, ptr->size, 1, (*param)->fp_i);
+		fread(&ptr->image_format, 4, 1, (*param)->fp_i);
+		fread(&ptr->image_address, 4, 1, (*param)->fp_i);
+		fread(&ptr->image_size, 4, 1, (*param)->fp_i);
+
+		ptr->image = malloc(ptr->image_size);
+
+		if (ptr->image == NULL)
+			return 1;
+
+		fseek((*param)->fp_i, ptr->image_address, SEEK_SET);
+		fread(ptr->image, ptr->image_size, 1, (*param)->fp_i);
+
+		if ((*param)->stat > 1)
+			printf("\t%08x\t%8d\t{%d, %8d}\t{%d, %d}\t%4d\t%08x\t%8d\n",
+				ptr->address,
+				ptr->size,
+				ptr->page[0],
+				ptr->page[1],
+				ptr->zero[0],
+				ptr->zero[1],
+				ptr->image_format,
+				ptr->image_address,
+				ptr->image_size);
+
+		ptr = ptr->next;
+	}
+
+	if ((*param)->stat > 1)
+		printf("Loaded %d page(s)\n", (*param)->file_stat->page);
+
+	/* TODO: Study signed int __fastcall CAJDoc::OpenNHCAJFile(int a1, int a2) */
+
+	if ((*param)->stat > 0)
+		printf("Conversion ended\n");
+
+	/* TODO: Finish me please :) */
+	return 1;
+}
-- 
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