/**
* Print a hunk of a normal diff. This is a contiguous portion of a complete edit script,
* describing changes in consecutive lines.
*/
@Override
protected void print_hunk(final Diff.change hunk) {
/* Determine range of line numbers involved in each file. */
analyze_hunk(hunk);
if ((this.deletes == 0) && (this.inserts == 0)) {
return;
}
/* Print out the line number header for this hunk */
print_number_range(',', this.first0, this.last0);
this.outfile.print(Base.change_letter(this.inserts, this.deletes));
print_number_range(',', this.first1, this.last1);
this.outfile.println();
/* Print the lines that the first file has. */
if (this.deletes != 0) {
for (int i = this.first0; i <= this.last0; i++) {
print_1_line("< ", this.file0[i]);
}
}
if ((this.inserts != 0) && (this.deletes != 0)) {
this.outfile.println("---");
}
/* Print the lines that the second file has. */
if (this.inserts != 0) {
for (int i = this.first1; i <= this.last1; i++) {
print_1_line("> ", this.file1[i]);
}
}
}
/** Print a hunk of an ed diff */
@Override
protected void print_hunk(final Diff.change hunk) {
/* Determine range of line numbers involved in each file. */
analyze_hunk(hunk);
if ((this.deletes == 0) && (this.inserts == 0)) {
return;
}
/* Print out the line number header for this hunk */
print_number_range(',', this.first0, this.last0);
this.outfile.println(Base.change_letter(this.inserts, this.deletes));
/* Print new/changed lines from second file, if needed */
if (this.inserts != 0) {
boolean inserting = true;
for (int i = this.first1; i <= this.last1; i++) {
/* Resume the insert, if we stopped. */
if (!inserting) {
this.outfile.println(i - this.first1 + this.first0 + "a");
}
inserting = true;
/* If the file's line is just a dot, it would confuse `ed'.
So output it with a double dot, and set the flag LEADING_DOT
so that we will output another ed-command later
to change the double dot into a single dot. */
if (".".equals(this.file1[i])) {
this.outfile.println("..");
this.outfile.println(".");
/* Now change that double dot to the desired single dot. */
this.outfile.println(i - this.first1 + this.first0 + 1 + "s/^\\.\\././");
inserting = false;
} else {
/* Line is not `.', so output it unmodified. */
print_1_line("", this.file1[i]);
}
}
/* End insert mode, if we are still in it. */
if (inserting) {
this.outfile.println(".");
}
}
}