/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.room.vo
import androidx.room.compiler.codegen.CodeLanguage
import androidx.room.compiler.codegen.XCodeBlock
import androidx.room.compiler.processing.XType
import androidx.room.ext.capitalize
import androidx.room.solver.CodeGenScope
import androidx.room.solver.types.CursorValueReader
import java.util.Locale
data class FieldSetter(
val fieldName: String,
val jvmName: String,
val type: XType,
val callType: CallType
) {
fun writeSet(ownerVar: String, inVar: String, builder: XCodeBlock.Builder) {
if (callType == CallType.CONSTRUCTOR) {
return
}
when (builder.language) {
CodeLanguage.JAVA -> {
val stmt = when (callType) {
CallType.FIELD -> "%L.%L = %L"
CallType.METHOD, CallType.SYNTHETIC_METHOD -> "%L.%L(%L)"
else -> error("Unknown call type: $callType")
}
builder.addStatement(stmt, ownerVar, jvmName, inVar)
}
CodeLanguage.KOTLIN -> {
builder.addStatement("%L.%L = %L", ownerVar, fieldName, inVar)
}
}
}
fun writeSetFromCursor(
ownerVar: String,
cursorVar: String,
indexVar: String,
reader: CursorValueReader,
scope: CodeGenScope
) {
when (scope.language) {
CodeLanguage.JAVA -> when (callType) {
CallType.FIELD -> {
val outFieldName = "$ownerVar.$jvmName"
reader.readFromCursor(outFieldName, cursorVar, indexVar, scope)
}
CallType.METHOD, CallType.SYNTHETIC_METHOD -> {
val tmpField = scope.getTmpVar("_tmp${fieldName.capitalize(Locale.US)}")
scope.builder.apply {
addLocalVariable(tmpField, type.asTypeName())
reader.readFromCursor(tmpField, cursorVar, indexVar, scope)
addStatement("%L.%L(%L)", ownerVar, jvmName, tmpField)
}
}
CallType.CONSTRUCTOR -> {
// no code, field is set via constructor
}
}
CodeLanguage.KOTLIN -> when (callType) {
CallType.FIELD, CallType.SYNTHETIC_METHOD -> {
val outFieldName = "$ownerVar.$fieldName"
reader.readFromCursor(outFieldName, cursorVar, indexVar, scope)
}
CallType.METHOD -> {
val tmpField = scope.getTmpVar("_tmp${fieldName.capitalize(Locale.US)}")
scope.builder.apply {
addLocalVariable(tmpField, type.asTypeName())
reader.readFromCursor(tmpField, cursorVar, indexVar, scope)
addStatement("%L.%L(%L)", ownerVar, jvmName, tmpField)
}
}
CallType.CONSTRUCTOR -> {
// no code, field is set via constructor
}
}
}
}
}