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-rw-r--r--src/cnki_hn.c259
1 files changed, 243 insertions, 16 deletions
diff --git a/src/cnki_hn.c b/src/cnki_hn.c
index 978aa30..d402c0c 100644
--- a/src/cnki_hn.c
+++ b/src/cnki_hn.c
@@ -5,8 +5,10 @@
*/
#include <stdlib.h>
+#include <string.h>
#include "cnki.h"
+#include "iconv.h"
#include "pdf.h"
#include "pdf_cnki.h"
@@ -29,13 +31,12 @@ cnki_hn(cnki_t **param)
if ((*param)->stat > 1) {
printf("Loading page(s)\n");
- printf("\t%8s\t%8s\t%6s\t%4s\t%6s\t%6s\t%4s\t%8s\t%8s\n",
+ printf("\t%8s\t%8s\t%6s\t%4s\t%16s\t%4s\t%8s\t%8s\n",
"address",
"text",
"length",
"page",
- "zero",
- "#",
+ "unknown",
"code",
"address",
"image");
@@ -47,7 +48,7 @@ cnki_hn(cnki_t **param)
fread(&ptr->text_size, 4, 1, (*param)->fp_i);
fread(&ptr->image_length, 2, 1, (*param)->fp_i);
fread(&ptr->page, 2, 1, (*param)->fp_i);
- fread(&ptr->zero, 8, 1, (*param)->fp_i);
+ fread(&ptr->unknown, 8, 1, (*param)->fp_i);
ptr->text = NULL;
ptr->image_data = NULL;
@@ -74,13 +75,13 @@ cnki_hn(cnki_t **param)
fread(ptr->text, ptr->text_size, 1, (*param)->fp_i);
if ((*param)->stat > 1)
- printf("\t%08x\t%8d\t%6d\t%4d\t{%d, %d}",
+ printf("\t%08x\t%8d\t%6d\t%4d\t{%4d, %8d}",
ptr->address,
ptr->text_size,
ptr->image_length,
ptr->page,
- ptr->zero[0],
- ptr->zero[1]);
+ ptr->unknown[0],
+ ptr->unknown[1]);
ptr->image_data = malloc(ptr->image_length * sizeof(hn_image_t));
@@ -91,6 +92,9 @@ cnki_hn(cnki_t **param)
fread(&ptr->image_data[i].format, 4, 1, (*param)->fp_i);
fread(&ptr->image_data[i].address, 4, 1, (*param)->fp_i);
fread(&ptr->image_data[i].size, 4, 1, (*param)->fp_i);
+ fseek((*param)->fp_i,
+ ptr->image_data[i].address + ptr->image_data[i].size,
+ SEEK_SET);
}
for (int i = 0; i < ptr->image_length; i++) {
@@ -104,12 +108,24 @@ cnki_hn(cnki_t **param)
ptr->image_data[i].size, 1,
(*param)->fp_i);
- if ((*param)->stat > 1)
- printf("\t%6d\t%4d\t%08x\t%8d\n",
- i,
- ptr->image_data[i].format,
- ptr->image_data[i].address,
- ptr->image_data[i].size);
+ if ((*param)->stat > 1) {
+ if (i == 0) {
+ printf("\t%4d\t%08x\t%8d\n",
+ ptr->image_data[i].format,
+ ptr->image_data[i].address,
+ ptr->image_data[i].size);
+ } else {
+ printf("\t%8s\t%8s\t%6s\t%4s\t%16s\t%4d\t%08x\t%8d\n",
+ "",
+ "",
+ "",
+ "",
+ "",
+ ptr->image_data[i].format,
+ ptr->image_data[i].address,
+ ptr->image_data[i].size);
+ }
+ }
}
ptr = ptr->next;
@@ -119,16 +135,227 @@ cnki_hn(cnki_t **param)
printf("Loaded %d page(s)\n", (*param)->file_stat->page);
if ((*param)->stat > 1)
- printf("Creating PDF object(s)\n");
+ printf("Generating PDF object(s)\n");
pdf_object_t *pdf = NULL;
if (pdf_obj_create(&pdf) != 0)
return 1;
+ int buf_size;
+ char *buf;
+
+ int str_size;
+ char *str;
+
+ int conv_size;
+ char *conv_dst;
+ char conv_src[2];
+ char conv_hex[3];
+
+ ptr = (*param)->object_hn;
+ while (ptr != NULL) {
+ if (strncmp(ptr->text + 8, "COMPRESSTEXT", 12) == 0) {
+ cnki_zlib(&buf, &buf_size, ptr->text, ptr->text_size);
+
+ str_size = buf_size / 8 + 7;
+ str = malloc(str_size);
+
+ if (str == NULL)
+ return 1;
+
+ memset(str, 0, str_size);
+
+ strcat(str, "<feff");
+
+ for (int i = 0; i < buf_size; i += 16) {
+ conv_src[0] = buf[i + 7];
+ conv_src[1] = buf[i + 6];
+
+ conv_size = 512;
+
+ if (strconv(&conv_dst, "UTF-16BE",
+ conv_src, "GB18030", &conv_size) == 0) {
+ for (int j = 0; j < conv_size - 2; j++) {
+ snprintf(conv_hex, 3,
+ "%02x", (unsigned char) conv_dst[j]);
+ strcat(str, conv_hex);
+ }
+ free(conv_dst);
+ }
+ }
+ free(buf);
+
+ strcat(str, ">");
+ } else {
+ str_size = ptr->text_size;
+ str = malloc(str_size);
+
+ if (str == NULL)
+ return 1;
+
+ memset(str, 0, str_size);
+
+ strcat(str, "<feff");
+
+ for (int i = 0; i < ptr->text_size; i += 4) {
+ conv_src[0] = ptr->text[i + 3];
+ conv_src[1] = ptr->text[i + 2];
+
+ conv_size = 512;
+
+ if (strconv(&conv_dst, "UTF-16BE",
+ conv_src, "GB18030", &conv_size) == 0) {
+ for (int j = 0; j < conv_size - 2; j++) {
+ snprintf(conv_hex, 3,
+ "%02x", (unsigned char) conv_dst[j]);
+ strcat(str, conv_hex);
+ }
+ free(conv_dst);
+ }
+ }
+
+ strcat(str, ">");
+ }
+
+ pdf_obj_append(&pdf, 0, str, NULL, NULL);
+
+ free(str);
+
+ ptr = ptr->next;
+ }
+
+ if ((*param)->stat > 1) {
+ printf("\t%8s\t%12s\t%12s\t%12s\n",
+ "id",
+ "object",
+ "dictionary",
+ "stream");
+
+ pdf_object_t *ptr = pdf->next;
+ while (ptr != NULL) {
+ printf("\t%8d\t%12d\t%12d\t%12d\n",
+ ptr->id,
+ ptr->object_size,
+ ptr->dictionary_size,
+ ptr->stream_size);
+ ptr = ptr->next;
+ }
+ }
+
+ if ((*param)->stat > 0)
+ printf("Generated %d object(s)\n",
+ pdf_get_count(&pdf));
+
+ int *ids = NULL;
+
+ if ((*param)->file_stat->outline > 0) {
+ if ((*param)->stat > 1)
+ printf("Generating outline object(s)\n\t%8s\n", "id");
+
+ pdf_get_free_ids(&pdf, &ids, (*param)->file_stat->outline + 1);
+ int outline = pdf_cnki_outline(&pdf, &(*param)->object_outline, &ids);
+
+ if ((*param)->stat > 1)
+ for (int i = 0; i < (*param)->file_stat->outline + 1; i++)
+ printf("\t%8d\n", ids[i]);
+
+ if ((*param)->stat > 0) {
+ if (outline != 0)
+ printf("No outline information\n");
+ else
+ printf("Generated %d outline object(s)\n",
+ (*param)->file_stat->outline + 1);
+ }
+ }
+
+ if ((*param)->stat > 1)
+ printf("Writing header\n");
+
+ long cur = 0;
+
+ if ((*param)->stat > 0)
+ cur = ftell((*param)->fp_o);
+
+ if (pdf_dump_header(&pdf, &(*param)->fp_o) != 0) {
+ fprintf(stderr, "Header not written\n");
+ return 1;
+ } else {
+ if ((*param)->stat > 0)
+ printf("Header %ld byte(s) written\n",
+ ftell((*param)->fp_o) - cur);
+ }
+
+ if ((*param)->stat > 1)
+ printf("Writing object(s)\n");
+
+ pdf_dump_obj(&pdf, &(*param)->fp_o);
+
+ if ((*param)->stat > 1) {
+ printf("\t%8s\t%8s\t%8s\t%12s\t%12s\t%12s\n",
+ "address",
+ "size",
+ "id",
+ "object",
+ "dictionary",
+ "stream");
+
+ pdf_object_t *ptr = pdf->next;
+ while (ptr != NULL) {
+ printf("\t%08x\t%8d\t%8d\t%12d\t%12d\t%12d\n",
+ ptr->address,
+ ptr->size,
+ ptr->id,
+ ptr->object_size,
+ ptr->dictionary_size,
+ ptr->stream_size);
+ ptr = ptr->next;
+ }
+ }
+
+ if ((*param)->stat > 0)
+ printf("%d object(s) %ld byte(s) written\n",
+ pdf_get_count(&pdf),
+ ftell((*param)->fp_o));
+
+ long xref = ftell((*param)->fp_o);
+
+ if ((*param)->stat > 1)
+ printf("Writing cross-reference table\n");
+
+ if (pdf_dump_xref(&pdf, &(*param)->fp_o) != 0) {
+ if ((*param)->stat > 0)
+ printf("Cross-reference table not written\n");
+ } else {
+ if ((*param)->stat > 0)
+ printf("Cross-reference table %ld byte(s) written\n",
+ ftell((*param)->fp_o) - xref);
+ }
+
+ if ((*param)->stat > 1)
+ printf("Writing trailer\n");
+
+ if ((*param)->stat > 0)
+ cur = ftell((*param)->fp_o);
+
+ if (pdf_dump_trailer(&pdf, &(*param)->fp_o, xref) != 0) {
+ if ((*param)->stat > 0)
+ printf("Trailer not written\n");
+ } else {
+ if ((*param)->stat > 0)
+ printf("Trailer %ld byte(s) written\n",
+ ftell((*param)->fp_o) - cur);
+ }
+
+ if ((*param)->stat > 0)
+ printf("Total %ld byte(s) written\n",
+ ftell((*param)->fp_o));
+
+ pdf_obj_destroy(&pdf);
+
if ((*param)->stat > 0)
- printf("Conversion ended\n");
+ printf("Conversion ended (partial)\n");
/* TODO: Finish me please :) */
- return 1;
+ return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 01:24:07 +0000