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differentiate subchapters denoted by an alpha prefix

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This commit is contained in:
Robin Appelman 2016-02-09 20:57:26 +01:00
parent fa4a8204a4
commit 1611a274b9
2 changed files with 26 additions and 0 deletions
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16
app/src/main/java/eu/kanade/tachiyomi/util/ChapterRecognition.java
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@ -12,6 +12,7 @@ public class ChapterRecognition {
private static final Pattern cleanWithToken = Pattern.compile("ch[^0-9]?\\s*(\\d+[\\.,]?\\d+)($|\\b)");
private static final Pattern uncleanWithToken = Pattern.compile("ch[^0-9]?\\s*(\\d+[\\.,]?\\d*)");
private static final Pattern withAlphaPostfix = Pattern.compile("(\\d+[\\.,]?\\d*\\s*)([a-z])($|\\b)");
private static final Pattern cleanNumber = Pattern.compile("(\\d+[\\.,]?\\d+)($|\\b)");
private static final Pattern uncleanNumber = Pattern.compile("(\\d+[\\.,]?\\d*)");
private static final Pattern withColon = Pattern.compile("(\\d+[\\.,]?\\d*\\s*:)");
@ -33,6 +34,13 @@ public class ChapterRecognition {
return;
}
// a number with a single alpha prefix is parsed as sub-chapter
matcher = withAlphaPostfix.matcher(name);
if (matcher.find()) {
chapter.chapter_number = Float.parseFloat(matcher.group(1)) + parseAlphaPostFix(matcher.group(2));
return;
}
// the chapter has a token prepended and something at the end of the number
matcher = uncleanWithToken.matcher(name);
if (matcher.find()) {
@ -88,6 +96,14 @@ public class ChapterRecognition {
}
/**
* x.a -> x.1, x.b -> x.2, etc
*/
private static float parseAlphaPostFix(String postfix) {
char alpha = postfix.charAt(0);
return Float.parseFloat("0." + Integer.toString((int)alpha - 96));
}
public static List<Float> getAllOccurrences(Matcher matcher) {
List<Float> occurences = new ArrayList<>();
while (matcher.find()) {

10
app/src/test/java/eu/kanade/tachiyomi/ChapterRecognitionTest.java
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@ -148,4 +148,14 @@ public class ChapterRecognitionTest {
ChapterRecognition.parseChapterNumber(c, randomManga);
assertThat(c.chapter_number).isEqualTo(99f);
}
@Test
public void testAlphaSubChapters() {
Chapter c = createChapter("Asu No Yoichi 19a");
ChapterRecognition.parseChapterNumber(c, randomManga);
assertThat(c.chapter_number).isEqualTo(19.1f);
c = createChapter("Asu No Yoichi 19b");
ChapterRecognition.parseChapterNumber(c, randomManga);
assertThat(c.chapter_number).isEqualTo(19.2f);
}
}