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author | Linnea Gräf <nea@nea.moe> | 2024-08-28 19:04:24 +0200 |
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committer | Linnea Gräf <nea@nea.moe> | 2024-08-28 19:04:24 +0200 |
commit | d2f240ff0ca0d27f417f837e706c781a98c31311 (patch) | |
tree | 0db7aff6cc14deaf36eed83889d59fd6b3a6f599 /src/main/kotlin/features/texturepack/RarityMatcher.kt | |
parent | a6906308163aa3b2d18fa1dc1aa71ac9bbcc83ab (diff) | |
download | firmament-d2f240ff0ca0d27f417f837e706c781a98c31311.tar.gz firmament-d2f240ff0ca0d27f417f837e706c781a98c31311.tar.bz2 firmament-d2f240ff0ca0d27f417f837e706c781a98c31311.zip |
Refactor source layout
Introduce compat source sets and move all kotlin sources to the main directory
[no changelog]
Diffstat (limited to 'src/main/kotlin/features/texturepack/RarityMatcher.kt')
-rw-r--r-- | src/main/kotlin/features/texturepack/RarityMatcher.kt | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/main/kotlin/features/texturepack/RarityMatcher.kt b/src/main/kotlin/features/texturepack/RarityMatcher.kt new file mode 100644 index 0000000..634a171 --- /dev/null +++ b/src/main/kotlin/features/texturepack/RarityMatcher.kt @@ -0,0 +1,69 @@ + +package moe.nea.firmament.features.texturepack + +import com.google.gson.JsonElement +import io.github.moulberry.repo.data.Rarity +import moe.nea.firmament.util.useMatch + +abstract class RarityMatcher { + abstract fun match(rarity: Rarity): Boolean + + companion object { + fun parse(jsonElement: JsonElement): RarityMatcher { + val string = jsonElement.asString + val range = parseRange(string) + if (range != null) return range + return Exact(Rarity.valueOf(string)) + } + + private val allRarities = Rarity.entries.joinToString("|", "(?:", ")") + private val intervalSpec = + "(?<beginningOpen>[\\[\\(])(?<beginning>$allRarities)?,(?<ending>$allRarities)?(?<endingOpen>[\\]\\)])" + .toPattern() + + fun parseRange(string: String): RangeMatcher? { + intervalSpec.useMatch<Nothing>(string) { + // Open in the set-theory sense, meaning does not include its end. + val beginningOpen = group("beginningOpen") == "(" + val endingOpen = group("endingOpen") == ")" + val beginning = group("beginning")?.let(Rarity::valueOf) + val ending = group("ending")?.let(Rarity::valueOf) + return RangeMatcher(beginning, !beginningOpen, ending, !endingOpen) + } + return null + } + + } + + data class Exact(val expected: Rarity) : RarityMatcher() { + override fun match(rarity: Rarity): Boolean { + return rarity == expected + } + } + + data class RangeMatcher( + val beginning: Rarity?, + val beginningInclusive: Boolean, + val ending: Rarity?, + val endingInclusive: Boolean, + ) : RarityMatcher() { + override fun match(rarity: Rarity): Boolean { + if (beginning != null) { + if (beginningInclusive) { + if (rarity < beginning) return false + } else { + if (rarity <= beginning) return false + } + } + if (ending != null) { + if (endingInclusive) { + if (rarity > ending) return false + } else { + if (rarity >= ending) return false + } + } + return true + } + } + +} |