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/**********************************************************************
* File: rwpoly.c (Formerly rw_poly.c)
* Description: latest version of manual page decomp tool
* Author: Sheelagh Lloyd
* Created: 16:05 24/3/93
*
* This version constructs a list of blocks.
*
* (C) Copyright 1993, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#include "mfcpch.h"
#include "pageblk.h"
#include "rwpoly.h"
#include "hpddef.h" //must be last (handpd.dll)
#define EXTERN
EXTERN DLLSYM PAGE_BLOCK_LIST *page_block_list;
EXTERN PAGE_BLOCK_IT page_block_it;
EXTERN BOOL_VAR (blocks_read_asc, TRUE, "Read blocks in ascii format");
EXTERN BOOL_VAR (blocks_write_asc, TRUE, "Write blocks in ascii format");
DLLSYM void write_poly_blocks(FILE *blfile, PAGE_BLOCK_LIST *blocks) {
if (blocks_write_asc)
blocks->serialise_asc (blfile);
else
blocks->serialise (blfile);
return;
}
DLLSYM PAGE_BLOCK_LIST *read_poly_blocks( //read file
const char *name //file to read
) {
FILE *infp;
int c;
inT16 number_of_pblocks;
//output list
PAGE_BLOCK_LIST *pb_list = NULL;
PAGE_BLOCK *page_block; //new block for list
inT32 len; /*length to retrive */
PAGE_BLOCK_IT it;
if ((infp = fopen (name, "r")) != NULL) {
if (((c = fgetc (infp)) != EOF) && (ungetc (c, infp) != EOF)) {
if (blocks_read_asc) {
pb_list = new PAGE_BLOCK_LIST;
len = de_serialise_INT32 (infp);
it.set_to_list (pb_list);
for (; len > 0; len--) {
page_block = PAGE_BLOCK::new_de_serialise_asc (infp);
/*put on the list */
it.add_to_end (page_block);
}
}
else
pb_list = PAGE_BLOCK_LIST::de_serialise (infp);
page_block_list = pb_list; //set global for now
}
fclose(infp);
}
else {
//can't open file
CANTOPENFILE.error ("read_poly_blocks", TESSLOG, name);
pb_list = new PAGE_BLOCK_LIST;
page_block_list = pb_list; //set global for now
}
page_block_it.set_to_list (pb_list);
number_of_pblocks = pb_list->length ();
tprintf ("%d page blocks read\n", number_of_pblocks);
return pb_list;
}
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