import java.text.Normalizer.Form;
import java.text.ParseException;
import java.text.SimpleDateFormat;
+import java.util.AbstractMap;
+import java.util.ArrayList;
import java.util.Date;
import java.util.List;
+import java.util.Map.Entry;
import java.util.Scanner;
import java.util.regex.Pattern;
}
}
+ /**
+ * Justify a text into width-sized (at the maximum) lines.
+ *
+ * @param text
+ * the {@link String} to justify
+ * @param width
+ * the maximum size of the resulting lines
+ *
+ * @return a list of justified text lines
+ */
+ static public List<String> justifyText(List<String> text, int width) {
+ return justifyText(text, width, null);
+ }
+
+ /**
+ * Justify a text into width-sized (at the maximum) lines.
+ *
+ * @param text
+ * the {@link String} to justify
+ * @param width
+ * the maximum size of the resulting lines
+ * @param align
+ * align the lines in this position (default is
+ * Alignment.Beginning)
+ *
+ * @return a list of justified text lines
+ */
+ static public List<String> justifyText(List<String> text, int width,
+ Alignment align) {
+ List<String> result = new ArrayList<String>();
+
+ // Content <-> Bullet spacing (null = no spacing)
+ List<Entry<String, String>> lines = new ArrayList<Entry<String, String>>();
+ StringBuilder previous = null;
+ StringBuilder tmp = new StringBuilder();
+ String previousItemBulletSpacing = null;
+ String itemBulletSpacing = null;
+ for (String inputLine : text) {
+ boolean previousLineComplete = true;
+
+ String current = inputLine.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));
+ }
+
+ 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)) {
+ result.add(spacing + bullet + subline);
+ if (!bullet.isEmpty()) {
+ bullet = " ";
+ }
+ }
+ }
+
+ return result;
+ }
+
/**
* Sanitise the given input to make it more Terminal-friendly by removing
* combining characters.
return null;
}
}
+
+ // justify List<String> related:
+
+ 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) == '»';
+ }
+
+ 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 "";
+ }
}
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;
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;
+ List<String> lines = new ArrayList<String>();
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);
-
+ lines.add(scan.next());
}
- if (previous != null) {
- lines.add(new AbstractMap.SimpleEntry<String, String>(previous
- .toString(), previousItemBulletSpacing));
+ for (String line : StringUtils.justifyText(lines, width, align)) {
+ System.out.println(line);
}
} 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) == '»';
- }
-
- 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 "";
}
}