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425d593ebe
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk/trunk@2 d0cd1f9f-072b-0410-8dd7-cf729c803f20
116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/* -*-C-*-
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################################################################################
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#
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# File: array.c
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# Description: Dynamic Array of Strings
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# Author: Mark Seaman, Software Productivity
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# Created: Thu Jul 23 13:24:09 1987
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# Modified: Wed Mar 6 15:18:33 1991 (Mark Seaman) marks@hpgrlt
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# Language: C
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# Package: N/A
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# Status: Reusable Software Component
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#
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# (c) Copyright 1987, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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#
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################################################################################
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This file contains the implentations of a set of dynamic array of string
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manipulation routines. For the interface definitions and documentation
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of these routines see the file "das.h".
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***************************************************************************/
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#include "tessarray.h"
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#include "callcpp.h"
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#include "freelist.h"
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#include <stdio.h>
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#include <string.h>
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#ifdef __MSW32__
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#include <process.h>
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#endif
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#include <ctype.h>
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#if MAC_OR_DOS
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#include <stdlib.h>
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#endif
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/**********************************************************************
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* array_insert
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*
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* Insert a data element into a particular spot in the array. Move all
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* the elements in the array (past that spot) down one to make room for
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* the new element.
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**********************************************************************/
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ARRAY array_insert(ARRAY array, int index, void *value) {
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int x;
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array = array_push (array, NULL);
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for (x = array_count (array) - 1; x > index; x--)
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array_value (array, x) = array_value (array, x - 1);
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array_value (array, index) = value;
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return (array);
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}
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/**********************************************************************
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* array_new
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*
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* Create a new array with a certain number of elements. If the number
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* of elements requested is 0 then the default number will be used.
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**********************************************************************/
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ARRAY array_new(int num) {
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ARRAY temp;
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int x;
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if (num == 0)
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num = DEFAULT_SIZE;
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temp = (ARRAY) memalloc ((num - 2) * sizeof (char *) +
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sizeof (struct array_record));
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if (!temp) {
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cprintf ("error: Out of memory in array_new\n");
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exit (1); //?err_exit ();
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}
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array_count (temp) = 0;
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array_limit (temp) = num;
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for (x = 0; x < num; x++)
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array_value (temp, x) = (char *) 0;
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return (temp);
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}
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/**********************************************************************
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* array_push
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*
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* Add a new element onto the top of the array. If there is not room
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* more room is made by "realloc"ing the array. This means that the
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* new array location may change. All previous references to its old
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* location may no longer be valid.
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**********************************************************************/
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ARRAY array_push(ARRAY array, void *value) {
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if (array_count (array) == array_limit (array)) {
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array = (ARRAY) memrealloc (array, (array_limit (array) * 2 - 2) *
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sizeof (char *) +
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sizeof (struct array_record),
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(array_limit (array) -
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2) * sizeof (char *) +
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sizeof (struct array_record));
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if (!array) {
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cprintf ("error: Out of memory in array_push\n");
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exit (1); //?err_exit ();
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}
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array_limit (array) *= 2;
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}
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array_count (array)++;
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array_top (array) = value;
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return (array);
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}
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