+++ /dev/null
-package be.nikiroo.utils.main;
-
-import java.util.AbstractMap;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.Scanner;
-
-import be.nikiroo.utils.StringUtils;
-import be.nikiroo.utils.StringUtils.Alignment;
-
-/**
- * Text justification (left, right, center, justify).
- *
- * @author niki
- */
-public class justify {
- /**
- * Syntax: $0 ([left|right|center|justify]) (max width)
- * <p>
- * <ul>
- * <li>mode: left, right, center or full justification (defaults to left)</li>
- * <li>max width: the maximum width of a line, or "" for "no maximum"
- * (defaults to "no maximum")</li>
- * </ul>
- *
- * @param args
- */
- public static void main(String[] args) {
- int width = -1;
- StringUtils.Alignment align = Alignment.LEFT;
-
- if (args.length >= 1) {
- align = Alignment.valueOf(args[0].toUpperCase());
- }
- if (args.length >= 2) {
- width = Integer.parseInt(args[1]);
- }
-
- // TODO: move to utils?
- // Content <-> Bullet spacing (null = no spacing)
- List<Entry<String, String>> lines = new ArrayList<Entry<String, String>>();
- Scanner scan = new Scanner(System.in);
- scan.useDelimiter("\r\n|[\r\n]");
- try {
- StringBuilder previous = null;
- StringBuilder tmp = new StringBuilder();
- String previousItemBulletSpacing = null;
- String itemBulletSpacing = null;
- while (scan.hasNext()) {
- boolean previousLineComplete = true;
-
- String current = scan.next().replace("\t", " ");
- itemBulletSpacing = getItemSpacing(current);
- boolean bullet = isItemLine(current);
- if ((previousItemBulletSpacing == null || itemBulletSpacing
- .length() <= previousItemBulletSpacing.length())
- && !bullet) {
- itemBulletSpacing = null;
- }
-
- if (itemBulletSpacing != null) {
- current = current.trim();
- if (!current.isEmpty() && bullet) {
- current = current.substring(1);
- }
- current = current.trim();
- previousLineComplete = bullet;
- } else {
- tmp.setLength(0);
- for (String word : current.split(" ")) {
- if (word.isEmpty()) {
- continue;
- }
-
- if (tmp.length() > 0) {
- tmp.append(' ');
- }
- tmp.append(word.trim());
- }
- current = tmp.toString();
-
- previousLineComplete = current.isEmpty()
- || previousItemBulletSpacing != null
- || (previous != null && isFullLine(previous));
- }
-
- if (previous == null) {
- previous = new StringBuilder();
- } else {
- if (previousLineComplete) {
- lines.add(new AbstractMap.SimpleEntry<String, String>(
- previous.toString(), previousItemBulletSpacing));
- previous.setLength(0);
- previousItemBulletSpacing = itemBulletSpacing;
- } else {
- previous.append(' ');
- }
- }
-
- previous.append(current);
-
- }
-
- if (previous != null) {
- lines.add(new AbstractMap.SimpleEntry<String, String>(previous
- .toString(), previousItemBulletSpacing));
- }
- } finally {
- scan.close();
- }
-
- for (Entry<String, String> line : lines) {
- String content = line.getKey();
- String spacing = line.getValue();
-
- String bullet = "- ";
- if (spacing == null) {
- bullet = "";
- spacing = "";
- }
-
- if (spacing.length() > width + 3) {
- spacing = "";
- }
-
- for (String subline : StringUtils.justifyText(content, width
- - (spacing.length() + bullet.length()), align)) {
- System.out.println(spacing + bullet + subline);
- if (!bullet.isEmpty()) {
- bullet = " ";
- }
- }
- }
- }
-
- static private boolean isFullLine(StringBuilder line) {
- return line.length() == 0 //
- || line.charAt(line.length() - 1) == '.'
- || line.charAt(line.length() - 1) == '"'
- || line.charAt(line.length() - 1) == 'ยป';
- }
-
- static private boolean isItemLine(String line) {
- String spacing = getItemSpacing(line);
- return spacing != null && line.charAt(spacing.length()) == '-';
- }
-
- static private String getItemSpacing(String line) {
- int i;
- for (i = 0; i < line.length(); i++) {
- if (line.charAt(i) != ' ') {
- return line.substring(0, i);
- }
- }
-
- return "";
- }
-}
git://git.nikiroo.be / fanfix.git / blobdiff