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Convert JsonScope to Kotlin (#1484)

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* Rename .java to .kt

* Convert JsonScope to Kotlin

* Use buildString
This commit is contained in:
Zac Sweers
2022-01-10 11:08:36 -05:00
committed by GitHub
parent 2daf78337d
commit 6f8d690e6e
1 changed files with 27 additions and 37 deletions
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64
moshi/src/main/java/com/squareup/moshi/JsonScope.java → moshi/src/main/java/com/squareup/moshi/JsonScope.kt
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@@ -13,71 +13,61 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.squareup.moshi;
package com.squareup.moshi
/** Lexical scoping elements within a JSON reader or writer. */
final class JsonScope {
private JsonScope() {}
internal object JsonScope {
/** An array with no elements requires no separators or newlines before it is closed. */
static final int EMPTY_ARRAY = 1;
const val EMPTY_ARRAY = 1
/** A array with at least one value requires a comma and newline before the next element. */
static final int NONEMPTY_ARRAY = 2;
/** An array with at least one value requires a comma and newline before the next element. */
const val NONEMPTY_ARRAY = 2
/** An object with no name/value pairs requires no separators or newlines before it is closed. */
static final int EMPTY_OBJECT = 3;
const val EMPTY_OBJECT = 3
/** An object whose most recent element is a key. The next element must be a value. */
static final int DANGLING_NAME = 4;
const val DANGLING_NAME = 4
/** An object with at least one name/value pair requires a separator before the next element. */
static final int NONEMPTY_OBJECT = 5;
const val NONEMPTY_OBJECT = 5
/** No object or array has been started. */
static final int EMPTY_DOCUMENT = 6;
const val EMPTY_DOCUMENT = 6
/** A document with at an array or object. */
static final int NONEMPTY_DOCUMENT = 7;
const val NONEMPTY_DOCUMENT = 7
/** A document that's been closed and cannot be accessed. */
static final int CLOSED = 8;
const val CLOSED = 8
/** Sits above the actual state to indicate that a value is currently being streamed in. */
static final int STREAMING_VALUE = 9;
const val STREAMING_VALUE = 9
/**
* Renders the path in a JSON document to a string. The {@code pathNames} and {@code pathIndices}
* Renders the path in a JSON document to a string. The `pathNames` and `pathIndices`
* parameters corresponds directly to stack: At indices where the stack contains an object
* (EMPTY_OBJECT, DANGLING_NAME or NONEMPTY_OBJECT), pathNames contains the name at this scope.
* Where it contains an array (EMPTY_ARRAY, NONEMPTY_ARRAY) pathIndices contains the current index
* in that array. Otherwise the value is undefined, and we take advantage of that by incrementing
* pathIndices when doing so isn't useful.
*/
static String getPath(int stackSize, int[] stack, String[] pathNames, int[] pathIndices) {
StringBuilder result = new StringBuilder().append('$');
for (int i = 0; i < stackSize; i++) {
switch (stack[i]) {
case EMPTY_ARRAY:
case NONEMPTY_ARRAY:
result.append('[').append(pathIndices[i]).append(']');
break;
case EMPTY_OBJECT:
case DANGLING_NAME:
case NONEMPTY_OBJECT:
result.append('.');
if (pathNames[i] != null) {
result.append(pathNames[i]);
@JvmStatic
fun getPath(stackSize: Int, stack: IntArray, pathNames: Array<String?>, pathIndices: IntArray): String {
return buildString {
append('$')
for (i in 0 until stackSize) {
when (stack[i]) {
EMPTY_ARRAY, NONEMPTY_ARRAY -> append('[').append(pathIndices[i]).append(']')
EMPTY_OBJECT, DANGLING_NAME, NONEMPTY_OBJECT -> {
append('.')
if (pathNames[i] != null) {
append(pathNames[i])
}
}
break;
case NONEMPTY_DOCUMENT:
case EMPTY_DOCUMENT:
case CLOSED:
break;
NONEMPTY_DOCUMENT, EMPTY_DOCUMENT, CLOSED -> {}
}
}
}
return result.toString();
}
}