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42 changes: 19 additions & 23 deletions
42
server-core/src/main/kotlin/com/lightningkite/lightningserver/casingUtils.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,29 +1,25 @@ | ||
| package com.lightningkite.lightningserver | ||
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| import java.util.* | ||
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| private val camelRegex = "[a-z][A-Z]".toRegex() | ||
| private val snakeRegex = "_[a-zA-Z]".toRegex() | ||
| private val kabobRegex = "-[a-zA-Z]".toRegex() | ||
| internal fun String.humanize(): String = camelRegex.replace(this) { | ||
| "${it.value[0]} ${it.value[1].uppercase()}" | ||
| }.let { | ||
| snakeRegex.replace(it) { | ||
| " " + it.value[1].uppercase() | ||
| } | ||
| }.replaceFirstChar { it.uppercaseChar() }.trim() | ||
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| internal fun String.kabobCase(): String = camelRegex.replace(this) { | ||
| "${it.value[0]}-${it.value[1]}" | ||
| }.let { | ||
| snakeRegex.replace(it) { | ||
| "-" + it.value[1] | ||
| val `casing separator regex` = Regex("([-_\\s]+([A-Z]*[a-z0-9]+))|([-_\\s]*[A-Z]+)") | ||
| inline fun String.caseAlter(crossinline update: (after: String) -> String): String = | ||
| `casing separator regex`.replace(this) { | ||
| update(it.value.filter { !(it == '-' || it == '_' || it.isWhitespace()) }) | ||
| } | ||
| }.lowercase().trim() | ||
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| internal fun String.camelCase(): String = snakeRegex.replace(this) { | ||
| "${it.value[0]}${it.value[1].uppercase()}" | ||
| }.let { | ||
| kabobRegex.replace(it) { | ||
| it.value[1].uppercase() | ||
| } | ||
| }.lowercase().trim() | ||
| private fun String.capitalize(): String = replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() } | ||
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| fun String.titleCase() = | ||
| caseAlter { " " + it.capitalize() }.capitalize() | ||
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| fun String.kabobCase() = caseAlter { "-$it" }.lowercase() | ||
| fun String.snakeCase() = caseAlter { "_$it" }.lowercase() | ||
| fun String.screamingSnakeCase() = caseAlter { "_$it" }.uppercase() | ||
| fun String.camelCase() = caseAlter { it.capitalize() } | ||
| fun String.pascalCase() = caseAlter { it.capitalize() }.replaceFirstChar { | ||
| if (it.isLowerCase()) it.titlecase( | ||
| Locale.getDefault() | ||
| ) else it.toString() | ||
| } |
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16 changes: 16 additions & 0 deletions
16
server-core/src/test/kotlin/com/lightningkite/lightningserver/CasingUtilsKtTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| package com.lightningkite.lightningserver | ||
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| import org.junit.Assert.* | ||
| import org.junit.Test | ||
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| class CasingUtilsKtTest { | ||
| @Test fun testQuick() { | ||
| val dumb = "as--d_f-_ XdcCase ID" | ||
| assertEquals("As D F Xdc Case ID", dumb.titleCase()) | ||
| assertEquals("as-d-f-xdc-case-id", dumb.kabobCase()) | ||
| assertEquals("as_d_f_xdc_case_id", dumb.snakeCase()) | ||
| assertEquals("AS_D_F_XDC_CASE_ID", dumb.screamingSnakeCase()) | ||
| assertEquals("asDFXdcCaseID", dumb.camelCase()) | ||
| assertEquals("AsDFXdcCaseID", dumb.pascalCase()) | ||
| } | ||
| } |