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Fix empty code input in syntax-highlight

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This commit is contained in:
Dimitry Ivanov 2020-02-14 11:33:24 +03:00
parent 33701a179f
commit f7f8f6d1ee
2 changed files with 9 additions and 0 deletions
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2
CHANGELOG.md
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@ -2,8 +2,10 @@
# 4.2.2-SNAPSHOT # 4.2.2-SNAPSHOT
* Fixed `AsyncDrawable` display when it has placeholder with empty bounds ([#189]) * Fixed `AsyncDrawable` display when it has placeholder with empty bounds ([#189])
* Fixed `syntax-highlight` where code input is empty string ([#192])
[#189]: https://github.com/noties/Markwon/issues/189 [#189]: https://github.com/noties/Markwon/issues/189
[#192]: https://github.com/noties/Markwon/issues/192
# 4.2.1 # 4.2.1
* Fix SpannableBuilder `subSequence` method * Fix SpannableBuilder `subSequence` method

7
markwon-syntax-highlight/src/main/java/io/noties/markwon/syntax/Prism4jSyntaxHighlight.java
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@ -41,6 +41,13 @@ public class Prism4jSyntaxHighlight implements SyntaxHighlight {
@NonNull @NonNull
@Override @Override
public CharSequence highlight(@Nullable String info, @NonNull String code) { public CharSequence highlight(@Nullable String info, @NonNull String code) {
// @since 4.2.2-SNAPSHOT
// although not null, but still is empty
if (code.isEmpty()) {
return code;
}
// if info is null, do not highlight -> LICENCE footer very commonly wrapped inside code // if info is null, do not highlight -> LICENCE footer very commonly wrapped inside code
// block without syntax name specified (so, do not highlight) // block without syntax name specified (so, do not highlight)
return info == null return info == null