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Code Issues Releases Wiki Activity

Small character optimizations

This commit is contained in:
M66B 2020-04-23 16:03:56 +02:00
parent 385704a7bd
commit 3fc63b8b6b
1 changed files with 9 additions and 5 deletions
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14
app/src/main/java/eu/faircode/email/Helper.java
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@ -798,8 +798,9 @@ public class Helper {
}
static boolean containsControlChars(String text) {
int codePoint;
for (int offset = 0; offset < text.length(); ) {
int codePoint = text.codePointAt(offset);
codePoint = text.codePointAt(offset);
offset += Character.charCount(codePoint);
switch (Character.getType(codePoint)) {
case Character.CONTROL: // \p{Cc}
@ -817,8 +818,8 @@ public class Helper {
// Get extended ASCII characters
byte[] octets = text.getBytes(StandardCharsets.ISO_8859_1);
int bytes;
for (int i = 0; i < octets.length; i++) {
int bytes;
if ((octets[i] & 0b10000000) == 0b00000000)
bytes = 1;
else if ((octets[i] & 0b11100000) == 0b11000000)
@ -847,9 +848,10 @@ public class Helper {
static boolean isISO8859(String text) {
// https://en.wikipedia.org/wiki/ISO/IEC_8859-1
int c;
byte[] octets = text.getBytes(StandardCharsets.ISO_8859_1);
for (byte b : octets) {
int c = b & 0xFF;
c = b & 0xFF;
if (c < 32)
return false;
if (c >= 127 && c < 160)
@ -863,11 +865,13 @@ public class Helper {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N)
return true;
int codepoint;
Character.UnicodeScript us;
Character.UnicodeScript script = null;
for (int i = 0; i < s.length(); ) {
int codepoint = s.codePointAt(i);
codepoint = s.codePointAt(i);
i += Character.charCount(codepoint);
Character.UnicodeScript us = Character.UnicodeScript.of(codepoint);
us = Character.UnicodeScript.of(codepoint);
if (us.equals(Character.UnicodeScript.COMMON))
continue;
if (script == null)