/* Print lines common to both files in side-by-side format. */
static void
print_sdiff_common_lines (lin limit0, lin limit1)
{
lin i0 = next0, i1 = next1;
if (!suppress_common_lines && (i0 != limit0 || i1 != limit1))
{
if (sdiff_merge_assist)
{
long int len0 = limit0 - i0;
long int len1 = limit1 - i1;
fprintf (outfile, "i%ld,%ld\n", len0, len1);
}
if (!left_column)
{
while (i0 != limit0 && i1 != limit1)
print_1sdiff_line (&files[0].linbuf[i0++], ' ',
&files[1].linbuf[i1++]);
while (i1 != limit1)
print_1sdiff_line (0, ')', &files[1].linbuf[i1++]);
}
while (i0 != limit0)
print_1sdiff_line (&files[0].linbuf[i0++], '(', 0);
}
next0 = limit0;
next1 = limit1;
}
/* Print lines common to both files in side-by-side format. */
static void
print_sdiff_common_lines (lin limit0, lin limit1)
{
lin i0 = next0, i1 = next1;
/* long len0, len1; */
if (i0 != limit0 || i1 != limit1)
{
if (!suppress_common_lines)
{
while (i0 != limit0 && i1 != limit1)
print_1sdiff_line (&files[0].linbuf[i0++], ' ',
&files[1].linbuf[i1++]);
while (i1 != limit1)
print_1sdiff_line (0, ')', &files[1].linbuf[i1++]);
while (i0 != limit0)
print_1sdiff_line (&files[0].linbuf[i0++], '(', 0);
}
/* else */
/* { */
/* len0 = limit0 - i0; */
/* len1 = limit1 - i1; */
/* fprintf (outfile, "i%ld,%ld\n", len0, len1); */
/* } */
}
next0 = limit0;
next1 = limit1;
}
static void
print_sdiff_hunk (struct change *hunk)
{
lin first0, last0, first1, last1;
register lin i, j;
/* Determine range of line numbers involved in each file. */
enum changes changes =
analyze_hunk (hunk, &first0, &last0, &first1, &last1);
if (!changes)
return;
/* Print out lines up to this change. */
print_sdiff_common_lines (first0, first1);
if (sdiff_merge_assist)
{
long int len0 = last0 - first0 + 1;
long int len1 = last1 - first1 + 1;
fprintf (outfile, "c%ld,%ld\n", len0, len1);
}
/* Print "xxx | xxx " lines. */
if (changes == CHANGED)
{
for (i = first0, j = first1; i <= last0 && j <= last1; i++, j++)
print_1sdiff_line (&files[0].linbuf[i], '|', &files[1].linbuf[j]);
changes = (i <= last0 ? OLD : 0) + (j <= last1 ? NEW : 0);
next0 = first0 = i;
next1 = first1 = j;
}
/* Print " > xxx " lines. */
if (changes & NEW)
{
for (j = first1; j <= last1; ++j)
print_1sdiff_line (0, '>', &files[1].linbuf[j]);
next1 = j;
}
/* Print "xxx < " lines. */
if (changes & OLD)
{
for (i = first0; i <= last0; ++i)
print_1sdiff_line (&files[0].linbuf[i], '<', 0);
next0 = i;
}
}
