diff options
Diffstat (limited to 'libs/utils/src/main/java')
| -rw-r--r-- | libs/utils/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt | 14 | ||||
| -rw-r--r-- | libs/utils/src/main/java/org/the_jk/cleversync/StringUtils.kt | 32 |
2 files changed, 46 insertions, 0 deletions
diff --git a/libs/utils/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt b/libs/utils/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt new file mode 100644 index 0000000..7f6ab1f --- /dev/null +++ b/libs/utils/src/main/java/org/the_jk/cleversync/LiveDataUtils.kt @@ -0,0 +1,14 @@ +package org.the_jk.cleversync + +import androidx.lifecycle.LiveData +import androidx.lifecycle.Observer + +fun <T> LiveData<T>.safeValue(): T? { + if (this.hasActiveObservers()) + return value + var ret: T? = null + val observer = Observer<T> { value -> ret = value } + this.observeForever(observer) + this.removeObserver(observer) + return ret +} diff --git a/libs/utils/src/main/java/org/the_jk/cleversync/StringUtils.kt b/libs/utils/src/main/java/org/the_jk/cleversync/StringUtils.kt new file mode 100644 index 0000000..6adea24 --- /dev/null +++ b/libs/utils/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 + } + } + } +} |
