X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbits%2FStringUtils.java;h=d33f71f4e0031710e52ed008fefa0f37f28883c4;hb=505be508ae7d3fb48122be548b310a238cfb91eb;hp=58c35de82726408b7c9b69eee7a1bf5bee5a38b8;hpb=34bb6e525628111b87a36556bbdd2719c6d7925f;p=nikiroo-utils.git
diff --git a/src/jexer/bits/StringUtils.java b/src/jexer/bits/StringUtils.java
index 58c35de..d33f71f 100644
--- a/src/jexer/bits/StringUtils.java
+++ b/src/jexer/bits/StringUtils.java
@@ -42,6 +42,11 @@ import java.util.Arrays;
*
* - Read/write a line of RFC4180 comma-separated values strings to/from a
* list of strings.
+ *
+ * - Compute number of visible text cells for a given Unicode codepoint or
+ * string.
+ *
+ * - Convert bytes to and from base-64 encoding.
*/
public class StringUtils {
@@ -467,6 +472,10 @@ public class StringUtils {
* @return the number of text cell columns required to display this string
*/
public static int width(final String str) {
+ if (str == null) {
+ return 0;
+ }
+
int n = 0;
for (int i = 0; i < str.length();) {
int ch = str.codePointAt(i);
@@ -609,9 +618,6 @@ public class StringUtils {
* representation i accordance with RFC 2045.
* @param sArr The bytes to convert. If null
or length 0
* an empty array will be returned.
- * @param lineSep Optional "\r\n" after 76 characters, unless end of
- * file.
No line separator will be in breach of RFC 2045 which
- * specifies max 76 per line but will be a little faster.
* @return A BASE64 encoded array. Never null
.
*/
public final static String toBase64(byte[] sArr) {