Add previous table alias/referencing

strict-toml/src/main/kotlin/world/gregs/toml/read/TomlStream.kt

@@ -5,37 +5,39 @@ import java.io.BufferedInputStream
 class TomlStream {
 
     interface API {
-        fun table(address: Array<String>, addressSize: Int)
-        fun inlineTable(address: Array<String>, addressSize: Int)
-        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Double)
-        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Long)
-        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: String)
-        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Boolean)
-        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: List<Any>)
-        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Map<String, Any>)
-        fun mapEnd(address: Array<String>, addressSize: Int)
-
-        fun list(address: Array<String>, addressSize: Int)
-        fun appendList(address: Array<String>, addressSize: Int, value: Double)
-        fun appendList(address: Array<String>, addressSize: Int, value: Long)
-        fun appendList(address: Array<String>, addressSize: Int, value: String)
-        fun appendList(address: Array<String>, addressSize: Int, value: Boolean)
-        fun appendList(address: Array<String>, addressSize: Int, value: List<Any>)
-        fun appendList(address: Array<String>, addressSize: Int, value: Map<String, Any>)
-        fun listEnd(address: Array<String>, addressSize: Int)
+        fun table(address: Array<String>, addressSize: Int) {}
+        fun inlineTable(address: Array<String>, addressSize: Int) {}
+        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Double) {}
+        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Long) {}
+        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: String) {}
+        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Boolean) {}
+        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: List<Any>) {}
+        fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Map<String, Any>) {}
+        fun mapEnd(address: Array<String>, addressSize: Int) {}
+
+        fun list(address: Array<String>, addressSize: Int) {}
+        fun appendList(address: Array<String>, addressSize: Int, value: Double) {}
+        fun appendList(address: Array<String>, addressSize: Int, value: Long) {}
+        fun appendList(address: Array<String>, addressSize: Int, value: String) {}
+        fun appendList(address: Array<String>, addressSize: Int, value: Boolean) {}
+        fun appendList(address: Array<String>, addressSize: Int, value: List<Any>) {}
+        fun appendList(address: Array<String>, addressSize: Int, value: Map<String, Any>) {}
+        fun listEnd(address: Array<String>, addressSize: Int) {}
     }
 
     /**
      *  TODO
-     *      fix empty address for nested inline tables
-     *      remove address.copying(), replace with addressIndex-- once out of a scope
+     *      [x] fix empty address for nested inline tables
+     *      [x] remove address.copying(), replace with addressIndex-- once out of a scope
      *      remove keyName checks with an array and table version of each method?
+     *      [x] support custom alias syntax
      */
     fun read(input: BufferedInputStream, api: API) {
         val buffer = ByteArray(1024)
         var bufferIndex = 0
         val address = Array(10) { "" }
         var addressIndex = 0
+        var previousIndex = 0
         var byte = input.read()
 
         while (byte != EOF) {
@@ -65,11 +67,15 @@ class TomlStream {
                         byte = input.read()
                     }
 
-                    // Reset address index for new table context
-                    for (i in 0 until addressIndex) {
-                        address[i] = ""
+                    val absoluteAddress = byte != DOT
+                    if (absoluteAddress) {
+                        // Reset address index for new table context
+                        addressIndex = 0
+                    } else {
+                        addressIndex = previousIndex
+                        byte = input.read() // Skip dot
                     }
-                    addressIndex = 0
+
 
                     // Read table name
                     while (byte != CLOSE_BRACKET && byte != EOF) {
@@ -89,6 +95,10 @@ class TomlStream {
                         bufferIndex = 0
                     }
 
+                    if (absoluteAddress) {
+                        previousIndex = addressIndex
+                    }
+
                     // Handle array of tables close bracket
                     if (isArrayOfTables) {
                         byte = input.read()

strict-toml/src/test/kotlin/world/gregs/toml/read/TomlStreamTest.kt

@@ -88,57 +88,6 @@ class TomlStreamTest {
         val file = File("C:\\Users\\Greg\\AppData\\Roaming\\JetBrains\\IntelliJIdea2024.3\\scratches\\scratch.toml")
         val streaming = TomlStream()
         val api = object : TomlStream.API {
-            override fun table(address: Array<String>, addressSize: Int) {
-            }
-
-            override fun inlineTable(address: Array<String>, addressSize: Int) {
-            }
-
-            override fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Double) {
-            }
-
-            override fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Long) {
-            }
-
-            override fun appendMap(address: Array<String>, addressSize: Int, key: String, value: String) {
-            }
-
-            override fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Boolean) {
-            }
-
-            override fun appendMap(address: Array<String>, addressSize: Int, key: String, value: List<Any>) {
-            }
-
-            override fun appendMap(address: Array<String>, addressSize: Int, key: String, value: Map<String, Any>) {
-            }
-
-            override fun mapEnd(address: Array<String>, addressSize: Int) {
-            }
-
-            override fun list(address: Array<String>, addressSize: Int) {
-            }
-
-            override fun appendList(address: Array<String>, addressSize: Int, value: Double) {
-            }
-
-            override fun appendList(address: Array<String>, addressSize: Int, value: Long) {
-            }
-
-            override fun appendList(address: Array<String>, addressSize: Int, value: String) {
-            }
-
-            override fun appendList(address: Array<String>, addressSize: Int, value: Boolean) {
-            }
-
-            override fun appendList(address: Array<String>, addressSize: Int, value: List<Any>) {
-            }
-
-            override fun appendList(address: Array<String>, addressSize: Int, value: Map<String, Any>) {
-            }
-
-            override fun listEnd(address: Array<String>, addressSize: Int) {
-            }
-
         }
         var count = 10
         var start = System.nanoTime()