Add string transformer functions

JavierSegoviaCordoba · JavierSegoviaCordoba · commit bb6e2d04f32c · 2023-03-09T00:26:17.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,16 @@
 
 ### Added
 
+- `String.transformstring` function
+- `String.TRANSFORMSTRING` function
+- `String.transformString` function
+- `String.TransformString` function
+- `String.transform_string` function
+- `String.TRANSFORM_STRING` function
+- `String.transform_hyphen_string` function
+- `String.TRANSFORM_HYPHEN_STRING` function
+- `String.tRaNsFoRmStRiNg` function
+
 ### Changed
 
 - `@IgnoreDARWIN` to `@IgnoreAPPLE`
diff --git a/kotlin-stdlib/api/android/kotlin-stdlib.api b/kotlin-stdlib/api/android/kotlin-stdlib.api
@@ -176,3 +176,15 @@ public final class com/javiersc/kotlin/stdlib/StringsKt {
 	public static final fun replace (Ljava/lang/String;[Lkotlin/Pair;)Ljava/lang/String;
 }
 
+public final class com/javiersc/kotlin/stdlib/StringsTransformKt {
+	public static final fun TRANSFORMSTRING (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun TRANSFORM_HYPHEN_STRING (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun TRANSFORM_STRING (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun TransformString (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun tRaNsFoRmStRiNg (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transformString (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transform_hyphen_string (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transform_string (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transformstring (Ljava/lang/String;)Ljava/lang/String;
+}
+
diff --git a/kotlin-stdlib/api/jvm/kotlin-stdlib.api b/kotlin-stdlib/api/jvm/kotlin-stdlib.api
@@ -176,3 +176,15 @@ public final class com/javiersc/kotlin/stdlib/StringsKt {
 	public static final fun replace (Ljava/lang/String;[Lkotlin/Pair;)Ljava/lang/String;
 }
 
+public final class com/javiersc/kotlin/stdlib/StringsTransformKt {
+	public static final fun TRANSFORMSTRING (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun TRANSFORM_HYPHEN_STRING (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun TRANSFORM_STRING (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun TransformString (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun tRaNsFoRmStRiNg (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transformString (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transform_hyphen_string (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transform_string (Ljava/lang/String;)Ljava/lang/String;
+	public static final fun transformstring (Ljava/lang/String;)Ljava/lang/String;
+}
+
diff --git a/kotlin-stdlib/build.gradle.kts b/kotlin-stdlib/build.gradle.kts
@@ -17,13 +17,13 @@ hubdle {
         multiplatform {
             features {
                 extendedStdlib.isEnabled.set(false)
+                kotest.isEnabled.set(false)
             }
 
             common()
             android()
             apple {
                 ios {
-                    iosArm32()
                     iosArm64()
                     iosSimulatorArm64()
                     iosX64()
@@ -42,7 +42,6 @@ hubdle {
                     watchosArm64()
                     watchosSimulatorArm64()
                     watchosX64()
-                    watchosX86()
                 }
             }
             jvm()
@@ -52,14 +51,10 @@ hubdle {
                 nodejs()
             }
             linux {
-                linuxArm32Hfp()
                 linuxArm64()
-                linuxMips32()
-                linuxMipsel32()
                 linuxX64()
             }
             mingw {
-                mingwX86()
                 mingwX64()
             }
             native()
diff --git a/kotlin-stdlib/common/main/kotlin/com/javiersc/kotlin/stdlib/StringsTransform.kt b/kotlin-stdlib/common/main/kotlin/com/javiersc/kotlin/stdlib/StringsTransform.kt
@@ -0,0 +1,64 @@
+package com.javiersc.kotlin.stdlib
+
+// original idea source:
+// https://github.com/hsz/transform-string/
+
+public fun String.transformstring(): String = prepare("").lowercase()
+
+public fun String.TRANSFORMSTRING(): String = prepare("").uppercase()
+
+public fun String.transformString(): String {
+    val data = prepare(" ")
+    return data
+        .mapIndexed { index, char ->
+            val isAfterWhitespace = data.getOrNull(index - 1)?.isWhitespace() ?: false
+            when {
+                isAfterWhitespace -> char.uppercaseChar()
+                else -> char.lowercaseChar()
+            }
+        }
+        .filterNot(Char::isWhitespace)
+        .joinToString("")
+        .remove(" ")
+}
+
+public fun String.TransformString(): String {
+    val data = prepare(" ")
+    return data
+        .mapIndexed { index, char ->
+            val isAfterWhitespace = data.getOrNull(index - 1)?.isWhitespace() ?: false
+            when {
+                isAfterWhitespace -> char.uppercaseChar()
+                else -> char.lowercaseChar()
+            }
+        }
+        .filterNot(Char::isWhitespace)
+        .joinToString("")
+        .remove(" ")
+        .capitalize()
+}
+
+public fun String.transform_string(): String = prepare("_").lowercase()
+
+public fun String.TRANSFORM_STRING(): String = prepare("_").uppercase()
+
+public fun String.transform_hyphen_string(): String = prepare("-").lowercase()
+
+public fun String.TRANSFORM_HYPHEN_STRING(): String = prepare("-").uppercase()
+
+public fun String.tRaNsFoRmStRiNg(): String {
+    var newStr = ""
+    var shouldBeUpperCase = false
+    forEach { str ->
+        if (str.isLetter()) {
+            newStr += if (shouldBeUpperCase) str.uppercase() else str.lowercase()
+            shouldBeUpperCase = !shouldBeUpperCase
+        } else newStr += str
+    }
+    return newStr
+}
+
+private fun String.prepare(separator: String): String =
+    replace("""((?<=\p{Ll})\p{Lu}|\p{Lu}(?=\p{Ll}))""".toRegex(), "$separator$1")
+        .replace("""[\W_]""".toRegex(), separator)
+        .removePrefix(separator)
diff --git a/kotlin-stdlib/common/test/kotlin/com/javiersc/kotlin/stdlib/StringsTransform.kt b/kotlin-stdlib/common/test/kotlin/com/javiersc/kotlin/stdlib/StringsTransform.kt
@@ -0,0 +1,90 @@
+package com.javiersc.kotlin.stdlib
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+internal class StringsTransform {
+
+    @Test
+    fun lowerCase() {
+        assertEquals("foobar", "foo bar".transformstring())
+        assertEquals("foobar", "foo-bar".transformstring())
+        assertEquals("foobar", "foo_bar".transformstring())
+        assertEquals("foobar", "FOO_BAR".transformstring())
+        assertEquals("foobar", "FooBar".transformstring())
+    }
+
+    @Test
+    fun upperCase() {
+        assertEquals("FOOBAR", "foo bar".TRANSFORMSTRING())
+        assertEquals("FOOBAR", "foo-bar".TRANSFORMSTRING())
+        assertEquals("FOOBAR", "foo_bar".TRANSFORMSTRING())
+        assertEquals("FOOBAR", "FOO_BAR".TRANSFORMSTRING())
+        assertEquals("FOOBAR", "FooBar".TRANSFORMSTRING())
+    }
+
+    @Test
+    fun camelCase() {
+        assertEquals("fooBar", "foo bar".transformString())
+        assertEquals("fooBar", "foo-bar".transformString())
+        assertEquals("fooBar", "foo_bar".transformString())
+        assertEquals("fooBar", "FOO_BAR".transformString())
+        assertEquals("fooBar", "FooBar".transformString())
+    }
+
+    @Test
+    fun pascalCase() {
+        assertEquals("FooBar", "foo bar".TransformString())
+        assertEquals("FooBar", "foo-bar".TransformString())
+        assertEquals("FooBar", "foo_bar".TransformString())
+        assertEquals("FooBar", "FOO_BAR".TransformString())
+        assertEquals("FooBar", "FooBar".TransformString())
+    }
+
+    @Test
+    fun lowerSnakeCase() {
+        assertEquals("foo_bar", "foo bar".transform_string())
+        assertEquals("foo_bar", "foo-bar".transform_string())
+        assertEquals("foo_bar", "foo_bar".transform_string())
+        assertEquals("foo_bar", "FOO_BAR".transform_string())
+        assertEquals("foo_bar", "FooBar".transform_string())
+    }
+
+    @Test
+    fun upperSnakeCase() {
+        assertEquals("FOO_BAR", "foo bar".TRANSFORM_STRING())
+        assertEquals("FOO_BAR", "foo-bar".TRANSFORM_STRING())
+        assertEquals("FOO_BAR", "foo_bar".TRANSFORM_STRING())
+        assertEquals("FOO_BAR", "FOO_BAR".TRANSFORM_STRING())
+        assertEquals("FOO_BAR", "FooBar".TRANSFORM_STRING())
+    }
+
+    @Test
+    fun lowerKebabCase() {
+        assertEquals("foo-bar", "foo bar".transform_hyphen_string())
+        assertEquals("foo-bar", "foo-bar".transform_hyphen_string())
+        assertEquals("foo-bar", "foo_bar".transform_hyphen_string())
+        assertEquals("foo-bar", "FOO_BAR".transform_hyphen_string())
+        assertEquals("foo-bar", "FooBar".transform_hyphen_string())
+    }
+
+    @Test
+    fun upperKebabCase() {
+        assertEquals("FOO-BAR", "foo bar".TRANSFORM_HYPHEN_STRING())
+        assertEquals("FOO-BAR", "foo-bar".TRANSFORM_HYPHEN_STRING())
+        assertEquals("FOO-BAR", "foo_bar".TRANSFORM_HYPHEN_STRING())
+        assertEquals("FOO-BAR", "FOO_BAR".TRANSFORM_HYPHEN_STRING())
+        assertEquals("FOO-BAR", "FooBar".TRANSFORM_HYPHEN_STRING())
+    }
+
+    @Test
+    fun alternativeCase() {
+        assertEquals("fOo BaR", "foo bar".tRaNsFoRmStRiNg())
+        assertEquals("fOo-BaR", "foo-bar".tRaNsFoRmStRiNg())
+        assertEquals("fOo_BaR", "foo_bar".tRaNsFoRmStRiNg())
+        assertEquals("fOo_BaR", "FOO_BAR".tRaNsFoRmStRiNg())
+        assertEquals("fOoBaR", "FooBar".tRaNsFoRmStRiNg())
+        assertEquals("1fOo-BaR", "1foo-bar".tRaNsFoRmStRiNg())
+        assertEquals("fOo $ BaR", "foo $ bar".tRaNsFoRmStRiNg())
+    }
+}
diff --git a/kotlin-test-junit/build.gradle.kts b/kotlin-test-junit/build.gradle.kts
@@ -14,6 +14,7 @@ hubdle {
         multiplatform {
             features {
                 extendedStdlib.isEnabled.set(false)
+                kotest.isEnabled.set(false)
             }
 
             common {
@@ -27,7 +28,6 @@ hubdle {
             android()
             apple {
                 ios {
-                    iosArm32()
                     iosArm64()
                     iosSimulatorArm64()
                     iosX64()
@@ -46,7 +46,6 @@ hubdle {
                     watchosArm64()
                     watchosSimulatorArm64()
                     watchosX64()
-                    watchosX86()
                 }
             }
             jvm()
@@ -56,14 +55,10 @@ hubdle {
                 nodejs()
             }
             linux {
-                linuxArm32Hfp()
                 linuxArm64()
-                linuxMips32()
-                linuxMipsel32()
                 linuxX64()
             }
             mingw {
-                mingwX86()
                 mingwX64()
             }
             native()
diff --git a/kotlin-test-junit5/build.gradle.kts b/kotlin-test-junit5/build.gradle.kts
@@ -14,6 +14,7 @@ hubdle {
         multiplatform {
             features {
                 extendedStdlib.isEnabled.set(false)
+                kotest.isEnabled.set(false)
             }
 
             common {
@@ -35,7 +36,6 @@ hubdle {
 
             apple {
                 ios {
-                    iosArm32()
                     iosArm64()
                     iosSimulatorArm64()
                     iosX64()
@@ -54,7 +54,6 @@ hubdle {
                     watchosArm64()
                     watchosSimulatorArm64()
                     watchosX64()
-                    watchosX86()
                 }
             }
             jvm {
@@ -70,14 +69,10 @@ hubdle {
                 nodejs()
             }
             linux {
-                linuxArm32Hfp()
                 linuxArm64()
-                linuxMips32()
-                linuxMipsel32()
                 linuxX64()
             }
             mingw {
-                mingwX86()
                 mingwX64()
             }
             native()
diff --git a/kotlin-test-testng/build.gradle.kts b/kotlin-test-testng/build.gradle.kts
@@ -14,6 +14,7 @@ hubdle {
         multiplatform {
             features {
                 extendedStdlib.isEnabled.set(false)
+                kotest.isEnabled.set(false)
             }
 
             common {
@@ -35,7 +36,6 @@ hubdle {
 
             apple {
                 ios {
-                    iosArm32()
                     iosArm64()
                     iosSimulatorArm64()
                     iosX64()
@@ -54,7 +54,6 @@ hubdle {
                     watchosArm64()
                     watchosSimulatorArm64()
                     watchosX64()
-                    watchosX86()
                 }
             }
             jvm {
@@ -70,14 +69,10 @@ hubdle {
                 nodejs()
             }
             linux {
-                linuxArm32Hfp()
                 linuxArm64()
-                linuxMips32()
-                linuxMipsel32()
                 linuxX64()
             }
             mingw {
-                mingwX86()
                 mingwX64()
             }
             native()

Original file line number	Diff line number	Diff line change
`@@ -14,6 +14,7 @@ hubdle {`
`14`	`14`	`multiplatform {`
`15`	`15`	`features {`
`16`	`16`	`extendedStdlib.isEnabled.set(false)`
	`17`	`+ kotest.isEnabled.set(false)`
`17`	`18`	`}`
`18`	`19`
`19`	`20`	`common {`
`@@ -35,7 +36,6 @@ hubdle {`
`35`	`36`
`36`	`37`	`apple {`
`37`	`38`	`ios {`
`38`		`- iosArm32()`
`39`	`39`	`iosArm64()`
`40`	`40`	`iosSimulatorArm64()`
`41`	`41`	`iosX64()`
`@@ -54,7 +54,6 @@ hubdle {`
`54`	`54`	`watchosArm64()`
`55`	`55`	`watchosSimulatorArm64()`
`56`	`56`	`watchosX64()`
`57`		`- watchosX86()`
`58`	`57`	`}`
`59`	`58`	`}`
`60`	`59`	`jvm {`
`@@ -70,14 +69,10 @@ hubdle {`
`70`	`69`	`nodejs()`
`71`	`70`	`}`
`72`	`71`	`linux {`
`73`		`- linuxArm32Hfp()`
`74`	`72`	`linuxArm64()`
`75`		`- linuxMips32()`
`76`		`- linuxMipsel32()`
`77`	`73`	`linuxX64()`
`78`	`74`	`}`
`79`	`75`	`mingw {`
`80`		`- mingwX86()`
`81`	`76`	`mingwX64()`
`82`	`77`	`}`
`83`	`78`	`native()`