Add Utils for parsing path parts to a directory

1 files changed, 32 insertions, 0 deletions

diff --git a/app/src/main/java/org/the_jk/cleversync/StringUtils.kt b/app/src/main/java/org/the_jk/cleversync/StringUtils.kt
new file mode 100644
index 0000000..6adea24
--- /dev/null
+++ b/app/src/main/java/org/the_jk/cleversync/StringUtils.kt
@@ -0,0 +1,32 @@
+package org.the_jk.cleversync
+
+object StringUtils {
+    fun split(input: String, delimiter: Char, keepEmpty: Boolean = true, limit: Int = 0): List<String> {
+        return buildList {
+            var offset = 0
+            var count = 0
+            while (true) {
+                val next = input.indexOf(delimiter, offset)
+                if (next == -1) {
+                    if (keepEmpty || offset < input.length) {
+                        if (limit > 0 && count == limit) {
+                            add("${removeLast()}${delimiter}${input.substring(offset)}")
+                            break
+                        }
+                        add(input.substring(offset))
+                    }
+                    break
+                }
+                if (keepEmpty || offset < next) {
+                    if (limit > 0 && count == limit) {
+                        add("${removeLast()}${delimiter}${input.substring(offset)}")
+                        break
+                    }
+                    add(input.substring(offset, next))
+                    count++
+                }
+                offset = next + 1
+            }
+        }
+    }
+}