Added documentation

EpcQrCode/src/commonMain/kotlin/net/codinux/banking/epcqrcode/EpcQrCodeConfig.kt

@@ -3,8 +3,16 @@ package net.codinux.banking.epcqrcode
 
 open class EpcQrCodeConfig(
 
+    /**
+     * Name of the Receiver. Mandatory.
+     * Max. 70 characters
+     */
     open val receiverName: String = "",
 
+    /**
+     * Receiver's IBAN. Mandatory.
+     * Max. 34 bytes.
+     */
     open val iban: String = "",
 
     open val bic: String? = null,

EpcQrCode/src/commonMain/kotlin/net/codinux/banking/epcqrcode/EpcQrCodeValues.kt

@@ -1,6 +1,11 @@
 package net.codinux.banking.epcqrcode
 
 
+/**
+ * The values of a EPC QR code use two different charsets:
+ * - byte = printable ASCII characters from range 32 (white space) to 126 (tilde) (most fields)
+ * - characters = all allowed characters according to encoding in line 3 'coding' (only for receiver name, remittance and information for user)
+ */
 open class EpcQrCodeValues(
 
     /**
@@ -36,13 +41,13 @@ open class EpcQrCodeValues(
     open val bic: String?,
 
     /**
-     * Receiver name.
-     * Max. 70 characters
+     * Name of the Receiver. Mandatory.
+     * Max. 70 characters in encoding of line 3 'coding'.
      */
     open val receiverName: String,
 
     /**
-     * Receiver's IBAN.
+     * Receiver's IBAN. Mandatory.
      * Max. 34 bytes.
      */
     open val iban: String,
@@ -66,8 +71,24 @@ open class EpcQrCodeValues(
      */
     open val purposeCode: String?,
 
+    /**
+     * Structured Remittance Information.
+     *
+     * Creditor Reference (ISO 11649 RF Creditor Reference may be used).
+     *
+     * May only be set if line 11 (unstructured remittanceText) is empty.
+     *
+     * Max. 35 bytes
+     */
     open val remittanceReference: String?,
 
+    /**
+     * Unstructured remittance information (Verwendungstext).
+     *
+     * May only be set if line 10 (structured remittanceReference) is empty.
+     *
+     * Max. 140 characters in encoding of line 3 'coding'
+     */
     open val remittanceText: String?,
 
     /**
@@ -76,6 +97,8 @@ open class EpcQrCodeValues(
      * The text contained in Display must be shown to the user after decoding and serves a
      * short textual description of what the user is going to initiate.
      * This text must not be forwarded with the data handed over to the payment system.
+     *
+     * Max. 70 characters in encoding of line 3 'coding'
      */
     open val informationForUser: String?