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Improved printable string

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M66B
2024-02-13 14:29:08 +01:00
parent d95aebfcc0
commit 95aed14c59
3 changed files with 16 additions and 15 deletions
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23
app/src/main/java/eu/faircode/email/Helper.java
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@@ -2177,28 +2177,29 @@ public class Helper {
return df.format(sign * bytes / Math.pow(unit, exp)) + " " + pre + "B";
}
static boolean isPrintableChar(char c) {
Character.UnicodeBlock block = Character.UnicodeBlock.of(c);
static boolean isPrintableChar(int codepoint) {
Character.UnicodeBlock block = Character.UnicodeBlock.of(codepoint);
if (block == null || block == Character.UnicodeBlock.SPECIALS)
return false;
return !Character.isISOControl(c);
return !Character.isISOControl(codepoint);
}
// https://issuetracker.google.com/issues/37054851
static String getPrintableString(String value) {
static String getPrintableString(String value, boolean debug) {
if (TextUtils.isEmpty(value))
return value;
StringBuilder result = new StringBuilder();
for (int i = 0; i < value.length(); i++) {
char kar = value.charAt(i);
if (kar == '\n')
for (int i = 0; i < value.length(); ) {
int codepoint = value.codePointAt(i);
if (debug && codepoint == 10)
result.append('|');
else if (kar == ' ')
else if (debug && codepoint == 32)
result.append('_');
else if (!Helper.isPrintableChar(kar) || kar == '\u00a0')
result.append('{').append(Integer.toHexString(kar)).append('}');
else if (!Helper.isPrintableChar(codepoint) || codepoint == 160)
result.append('{').append(Integer.toHexString(codepoint)).append('}');
else
result.append(kar);
result.append(Character.toChars(codepoint));
i += Character.charCount(codepoint);
}
return result.toString();
}