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/*
* Copyright (C) 2019.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 or
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package buildoptions;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
/**
* Convert options.txt to format needed in help file options.
* Saves some manual edits to keep both files in sync.
* Used with ant gen-options-file
* @author Mike Baggaley
*
*/
public class OptionsBuilder {
public static void main(String[] args) {
final int indentSize = 4;
boolean hasNonAscii = false;
int lineNumber = 0;
File outputFile = new File(args[0]);
System.setProperty("line.separator", "\n");
try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new FileWriter(outputFile))) {
String line;
String previousLine = "";
int indent = 0;
boolean preformatted = false;
while((line = br.readLine()) != null) {
++lineNumber;
if (!line.matches("\\p{ASCII}*")) {
System.err.println("Line " + lineNumber + " contains one or more non-ASCII characters.\r\n" + line);
hasNonAscii = true;
}
if (preformatted) {
if (line.trim().compareToIgnoreCase("</pre>") == 0)
preformatted = false;
else {
bw.write(line);
bw.newLine();
}
} else {
line = line.replaceAll("\\s+", " ");
if (line.length() > 0) {
if (line.startsWith(";")) {
line = line.substring(1);
indent = 0;
if (!previousLine.isEmpty()) {
bw.write(previousLine);
bw.newLine();
previousLine = "";
}
}
else if (line.charAt(0) == ':') {
if (!previousLine.isEmpty()) {
bw.write(previousLine);
bw.newLine();
previousLine = "";
}
indent = 1;
line = line.substring(1);
while (line.charAt(0) == ':') {
indent++;
line = line.substring(1);
}
if (line.charAt(0) == ';')
line = line.substring(1);
}
else if (line.trim().compareToIgnoreCase("<p>") == 0) {
if (!previousLine.isEmpty()) {
bw.write(previousLine);
bw.newLine();
previousLine = "";
}
line = "";
bw.newLine();
}
else if (line.trim().compareToIgnoreCase("<pre>") == 0) {
if (!previousLine.isEmpty()) {
bw.write(previousLine);
bw.newLine();
previousLine = "";
}
line = "";
preformatted = true;
}
line = line.trim();
if (!previousLine.isEmpty()) {
if (!line.isEmpty()) {
previousLine += " " + line;
}
} else {
previousLine = line;
for (int i = 0; i < indent; i++) {
for (int j = 0; j < indentSize; j++)
previousLine = " " + previousLine;
}
}
while (previousLine.length() > 79) {
line = previousLine.substring(0, 80);
int lastSpaceIndex = line.lastIndexOf(' ');
int firstNonSpaceIndex = 0;
while (firstNonSpaceIndex < 79) {
if (line.charAt(firstNonSpaceIndex) != ' ')
break;
firstNonSpaceIndex++;
}
if (lastSpaceIndex > firstNonSpaceIndex) {
line = line.substring(0, lastSpaceIndex);
previousLine = previousLine.substring(lastSpaceIndex + 1);
for (int i = 0; i < indent; i++) {
for (int j = 0; j < indentSize; j++)
previousLine = " " + previousLine;
}
bw.write(line);
bw.newLine();
}
else {
bw.write(previousLine);
bw.newLine();
previousLine = "";
}
}
}
else {
indent = 0;
if (!previousLine.isEmpty()) {
bw.write(previousLine);
bw.newLine();
previousLine = "";
}
bw.newLine();
}
}
}
if (!previousLine.isEmpty()) {
bw.write(previousLine);
bw.newLine();
}
} catch (IOException e) {
e.printStackTrace();
System.exit(-1);
}
if (hasNonAscii) {
System.exit(-1);
}
}
}
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