Tag
Hash :
f3c44083
Author :
Date :
2020-11-14T16:39:35
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/* Output all lines of a diff_result. */
/*
* Copyright (c) 2020 Neels Hofmeyr <neels@hofmeyr.de>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <arraylist.h>
#include <diff_main.h>
#include <diff_output.h>
#include "diff_internal.h"
int
diff_output_plain(struct diff_output_info **output_info, FILE *dest,
const struct diff_input_info *info,
const struct diff_result *result)
{
struct diff_output_info *outinfo = NULL;
int i, rc;
if (!result)
return EINVAL;
if (result->rc != DIFF_RC_OK)
return result->rc;
if (output_info) {
*output_info = diff_output_info_alloc();
if (*output_info == NULL)
return errno;
outinfo = *output_info;
}
for (i = 0; i < result->chunks.len; i++) {
struct diff_chunk *c = &result->chunks.head[i];
if (c->left_count && c->right_count)
rc = diff_output_lines(outinfo, dest,
c->solved ? " " : "?",
c->left_start, c->left_count);
else if (c->left_count && !c->right_count)
rc = diff_output_lines(outinfo, dest,
c->solved ? "-" : "?",
c->left_start, c->left_count);
else if (c->right_count && !c->left_count)
rc = diff_output_lines(outinfo, dest,
c->solved ? "+" : "?",
c->right_start, c->right_count);
if (rc)
return rc;
}
return DIFF_RC_OK;
}