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authorLinnea Gräf <nea@nea.moe>2024-08-28 19:04:24 +0200
committerLinnea Gräf <nea@nea.moe>2024-08-28 19:04:24 +0200
commitd2f240ff0ca0d27f417f837e706c781a98c31311 (patch)
tree0db7aff6cc14deaf36eed83889d59fd6b3a6f599 /src/main/kotlin/features/texturepack/RarityMatcher.kt
parenta6906308163aa3b2d18fa1dc1aa71ac9bbcc83ab (diff)
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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.kt69
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
+ }
+ }
+
+}