Cleanup classes from JDBC

src/commonMain/kotlin/ru/landgrafhomyak/db/raw_sql_skeleton/Namespace.kt

@@ -0,0 +1,24 @@
+package ru.landgrafhomyak.db.raw_sql_skeleton
+
+public class Namespace(
+    private val path: Array<String>
+) {
+    private val usedNames = HashSet<String>()
+
+    public fun subNamespace(name: String): Namespace {
+        if (name in this.usedNames)
+            throw IllegalArgumentException("Name is already used: $name")
+        this.usedNames.add(name)
+        return Namespace(this.path + name)
+    }
+
+    public fun table(name: String): TableName {
+        if (name in this.usedNames)
+            throw IllegalArgumentException("Name is already used: $name")
+        this.usedNames.add(name)
+
+        return TableName(this.formatTableName(name))
+    }
+
+    private fun formatTableName(name: String) = this.path.joinToString(prefix = "::", separator = "::", postfix = "::${name}")
+}

src/commonMain/kotlin/ru/landgrafhomyak/db/raw_sql_skeleton/TableName.kt

@@ -0,0 +1,7 @@
+package ru.landgrafhomyak.db.raw_sql_skeleton
+
+public class TableName(private val name: String) {
+    public val asSqlReference: String = "\"${this.name}\""
+    public val asSqlString: String = "\'${this.name}\'"
+    override fun toString(): String = this.asSqlReference
+}