[gmime] Added accessor functions for the Resent-* address headers

[Rico Tzschichholz <ricotz src gnome org>]

commit 3c9b83d41220522e2937a885a16cea9e47bd6de0
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Wed Nov 21 23:07:53 2018 -0500

    Added accessor functions for the Resent-* address headers
    
    Fixes issue #51

 docs/reference/gmime-sections.txt |   6 ++
 gmime/gmime-message.c             | 209 ++++++++++++++++++++++++++++++++++++--
 gmime/gmime-message.h             |  21 +++-
 3 files changed, 229 insertions(+), 7 deletions(-)
---
diff --git a/docs/reference/gmime-sections.txt b/docs/reference/gmime-sections.txt
index fed53402..bcb104fb 100644
--- a/docs/reference/gmime-sections.txt
+++ b/docs/reference/gmime-sections.txt
@@ -1018,6 +1018,12 @@ g_mime_message_get_reply_to
 g_mime_message_get_to
 g_mime_message_get_cc
 g_mime_message_get_bcc
+g_mime_message_get_resent_sender
+g_mime_message_get_resent_from
+g_mime_message_get_resent_reply_to
+g_mime_message_get_resent_to
+g_mime_message_get_resent_cc
+g_mime_message_get_resent_bcc
 g_mime_message_add_mailbox
 g_mime_message_get_addresses
 g_mime_message_get_all_recipients
diff --git a/gmime/gmime-message.c b/gmime/gmime-message.c
index 34543594..2dac6381 100644
--- a/gmime/gmime-message.c
+++ b/gmime/gmime-message.c
@@ -72,6 +72,12 @@ static void to_list_changed (InternetAddressList *list, gpointer args, GMimeMess
 static void cc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
 static void bcc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
 
+static void resent_sender_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
+static void resent_from_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
+static void resent_reply_to_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
+static void resent_to_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
+static void resent_cc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
+static void resent_bcc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message);
 
 static GMimeObjectClass *parent_class = NULL;
 
@@ -79,12 +85,18 @@ static struct {
        const char *name;
        GMimeEventCallback changed_cb;
 } address_types[] = {
-       { "Sender",   (GMimeEventCallback) sender_changed   },
-       { "From",     (GMimeEventCallback) from_changed     },
-       { "Reply-To", (GMimeEventCallback) reply_to_changed },
-       { "To",       (GMimeEventCallback) to_list_changed  },
-       { "Cc",       (GMimeEventCallback) cc_list_changed  },
-       { "Bcc",      (GMimeEventCallback) bcc_list_changed }
+       { "Sender",          (GMimeEventCallback) sender_changed          },
+       { "From",            (GMimeEventCallback) from_changed            },
+       { "Reply-To",        (GMimeEventCallback) reply_to_changed        },
+       { "To",              (GMimeEventCallback) to_list_changed         },
+       { "Cc",              (GMimeEventCallback) cc_list_changed         },
+       { "Bcc",             (GMimeEventCallback) bcc_list_changed        },
+       { "Resent-Sender",   (GMimeEventCallback) resent_sender_changed   },
+       { "Resent-From",     (GMimeEventCallback) resent_from_changed     },
+       { "Resent-Reply-To", (GMimeEventCallback) resent_reply_to_changed },
+       { "Resent-To",       (GMimeEventCallback) resent_to_list_changed  },
+       { "Resent-Cc",       (GMimeEventCallback) resent_cc_list_changed  },
+       { "Resent-Bcc",      (GMimeEventCallback) resent_bcc_list_changed }
 };
 
 #define N_ADDRESS_TYPES G_N_ELEMENTS (address_types)
@@ -244,6 +256,12 @@ enum {
        HEADER_DATE,
        HEADER_MESSAGE_ID,
        HEADER_MIME_VERSION,
+       HEADER_RESENT_SENDER,
+       HEADER_RESENT_FROM,
+       HEADER_RESENT_REPLY_TO,
+       HEADER_RESENT_TO,
+       HEADER_RESENT_CC,
+       HEADER_RESENT_BCC,
        HEADER_UNKNOWN
 };
 
@@ -258,6 +276,12 @@ static const char *message_headers[] = {
        "Date",
        "Message-Id",
        "MIME-Version",
+       "Resent-Sender",
+       "Resent-From",
+       "Resent-Reply-To",
+       "Resent-To",
+       "Resent-Cc",
+       "Resent-Bcc",
 };
 
 static void
@@ -328,6 +352,24 @@ process_header (GMimeObject *object, GMimeHeader *header)
        case HEADER_BCC:
                message_update_addresses (message, options, GMIME_ADDRESS_TYPE_BCC);
                break;
+       case HEADER_RESENT_SENDER:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_SENDER);
+               break;
+       case HEADER_RESENT_FROM:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_FROM);
+               break;
+       case HEADER_RESENT_REPLY_TO:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_REPLY_TO);
+               break;
+       case HEADER_RESENT_TO:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_TO);
+               break;
+       case HEADER_RESENT_CC:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_CC);
+               break;
+       case HEADER_RESENT_BCC:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_BCC);
+               break;
        case HEADER_SUBJECT:
                g_free (message->subject);
                
@@ -405,6 +447,24 @@ message_header_removed (GMimeObject *object, GMimeHeader *header)
        case HEADER_BCC:
                message_update_addresses (message, options, GMIME_ADDRESS_TYPE_BCC);
                break;
+       case HEADER_RESENT_SENDER:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_SENDER);
+               break;
+       case HEADER_RESENT_FROM:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_FROM);
+               break;
+       case HEADER_RESENT_REPLY_TO:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_REPLY_TO);
+               break;
+       case HEADER_RESENT_TO:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_TO);
+               break;
+       case HEADER_RESENT_CC:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_CC);
+               break;
+       case HEADER_RESENT_BCC:
+               message_update_addresses (message, options, GMIME_ADDRESS_TYPE_RESENT_BCC);
+               break;
        case HEADER_SUBJECT:
                g_free (message->subject);
                message->subject = NULL;
@@ -747,6 +807,108 @@ g_mime_message_get_bcc (GMimeMessage *message)
 }
 
 
+/**
+ * g_mime_message_get_resent_sender:
+ * @message: A #GMimeMessage
+ *
+ * Gets the parsed list of addresses in the Resent-Sender header.
+ *
+ * Returns: (transfer none): the parsed list of addresses in the Resent-Sender header.
+ **/
+InternetAddressList *
+g_mime_message_get_resent_sender (GMimeMessage *message)
+{
+       g_return_val_if_fail (GMIME_IS_MESSAGE (message), NULL);
+       
+       return message->addrlists[GMIME_ADDRESS_TYPE_RESENT_SENDER];
+}
+
+
+/**
+ * g_mime_message_get_resent_from:
+ * @message: A #GMimeMessage
+ *
+ * Gets the parsed list of addresses in the Resent-From header.
+ *
+ * Returns: (transfer none): the parsed list of addresses in the Resent-From header.
+ **/
+InternetAddressList *
+g_mime_message_get_resent_from (GMimeMessage *message)
+{
+       g_return_val_if_fail (GMIME_IS_MESSAGE (message), NULL);
+       
+       return message->addrlists[GMIME_ADDRESS_TYPE_RESENT_FROM];
+}
+
+
+/**
+ * g_mime_message_get_resent_reply_to:
+ * @message: A #GMimeMessage
+ *
+ * Gets the parsed list of addresses in the Resent-Reply-To header.
+ *
+ * Returns: (transfer none): the parsed list of addresses in the Resent-Reply-To header.
+ **/
+InternetAddressList *
+g_mime_message_get_resent_reply_to (GMimeMessage *message)
+{
+       g_return_val_if_fail (GMIME_IS_MESSAGE (message), NULL);
+       
+       return message->addrlists[GMIME_ADDRESS_TYPE_RESENT_REPLY_TO];
+}
+
+
+/**
+ * g_mime_message_get_resent_to:
+ * @message: A #GMimeMessage
+ *
+ * Gets combined list of parsed addresses in the Resent-To header(s).
+ *
+ * Returns: (transfer none): the parsed list of addresses in the resent-To header(s).
+ **/
+InternetAddressList *
+g_mime_message_get_resent_to (GMimeMessage *message)
+{
+       g_return_val_if_fail (GMIME_IS_MESSAGE (message), NULL);
+       
+       return message->addrlists[GMIME_ADDRESS_TYPE_RESENT_TO];
+}
+
+
+/**
+ * g_mime_message_get_resent_cc:
+ * @message: A #GMimeMessage
+ *
+ * Gets combined list of parsed addresses in the Resent-Cc header(s).
+ *
+ * Returns: (transfer none): the parsed list of addresses in the Resent-Cc header(s).
+ **/
+InternetAddressList *
+g_mime_message_get_resent_cc (GMimeMessage *message)
+{
+       g_return_val_if_fail (GMIME_IS_MESSAGE (message), NULL);
+       
+       return message->addrlists[GMIME_ADDRESS_TYPE_RESENT_CC];
+}
+
+
+/**
+ * g_mime_message_get_resent_bcc:
+ * @message: A #GMimeMessage
+ *
+ * Gets combined list of parsed addresses in the Resent-Bcc header(s).
+ *
+ * Returns: (transfer none): the parsed list of addresses in the Resent-Bcc header(s).
+ **/
+InternetAddressList *
+g_mime_message_get_resent_bcc (GMimeMessage *message)
+{
+       g_return_val_if_fail (GMIME_IS_MESSAGE (message), NULL);
+       
+       return message->addrlists[GMIME_ADDRESS_TYPE_RESENT_BCC];
+}
+
+
 static void
 sync_internet_address_list (InternetAddressList *list, GMimeMessage *message, const char *name)
 {
@@ -813,6 +975,41 @@ bcc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *messag
        sync_address_header (message, GMIME_ADDRESS_TYPE_BCC);
 }
 
+static void
+resent_sender_changed (InternetAddressList *list, gpointer args, GMimeMessage *message)
+{
+       sync_address_header (message, GMIME_ADDRESS_TYPE_RESENT_SENDER);
+}
+
+static void
+resent_from_changed (InternetAddressList *list, gpointer args, GMimeMessage *message)
+{
+       sync_address_header (message, GMIME_ADDRESS_TYPE_RESENT_FROM);
+}
+
+static void
+resent_reply_to_changed (InternetAddressList *list, gpointer args, GMimeMessage *message)
+{
+       sync_address_header (message, GMIME_ADDRESS_TYPE_RESENT_REPLY_TO);
+}
+
+static void
+resent_to_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message)
+{
+       sync_address_header (message, GMIME_ADDRESS_TYPE_RESENT_TO);
+}
+
+static void
+resent_cc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message)
+{
+       sync_address_header (message, GMIME_ADDRESS_TYPE_RESENT_CC);
+}
+
+static void
+resent_bcc_list_changed (InternetAddressList *list, gpointer args, GMimeMessage *message)
+{
+       sync_address_header (message, GMIME_ADDRESS_TYPE_RESENT_BCC);
+}
 
 /**
  * g_mime_message_add_mailbox:
diff --git a/gmime/gmime-message.h b/gmime/gmime-message.h
index 217065f1..fba233f1 100644
--- a/gmime/gmime-message.h
+++ b/gmime/gmime-message.h
@@ -54,6 +54,12 @@ typedef struct _GMimeMessageClass GMimeMessageClass;
  * @GMIME_ADDRESS_TYPE_TO: Represents the recipients in the To header.
  * @GMIME_ADDRESS_TYPE_CC: Represents the recipients in the Cc header.
  * @GMIME_ADDRESS_TYPE_BCC: Represents the recipients in the Bcc header.
+ * @GMIME_ADDRESS_TYPE_RESENT_SENDER: Represents the addresses in the Resent-Sender header.
+ * @GMIME_ADDRESS_TYPE_RESENT_FROM: Represents the addresses in the Resent-From header.
+ * @GMIME_ADDRESS_TYPE_RESENT_REPLY_TO: Represents the addresses in the Resent-Reply-To header.
+ * @GMIME_ADDRESS_TYPE_RESENT_TO: Represents the recipients in the Resent-To header.
+ * @GMIME_ADDRESS_TYPE_RESENT_CC: Represents the recipients in the Resent-Cc header.
+ * @GMIME_ADDRESS_TYPE_RESENT_BCC: Represents the recipients in the Resent-Bcc header.
  *
  * An address type.
  **/
@@ -63,7 +69,13 @@ typedef enum _GMimeAddressType {
        GMIME_ADDRESS_TYPE_REPLY_TO,
        GMIME_ADDRESS_TYPE_TO,
        GMIME_ADDRESS_TYPE_CC,
-       GMIME_ADDRESS_TYPE_BCC
+       GMIME_ADDRESS_TYPE_BCC,
+       GMIME_ADDRESS_TYPE_RESENT_SENDER,
+       GMIME_ADDRESS_TYPE_RESENT_FROM,
+       GMIME_ADDRESS_TYPE_RESENT_REPLY_TO,
+       GMIME_ADDRESS_TYPE_RESENT_TO,
+       GMIME_ADDRESS_TYPE_RESENT_CC,
+       GMIME_ADDRESS_TYPE_RESENT_BCC
 } GMimeAddressType;
 
 
@@ -108,6 +120,13 @@ InternetAddressList *g_mime_message_get_to (GMimeMessage *message);
 InternetAddressList *g_mime_message_get_cc (GMimeMessage *message);
 InternetAddressList *g_mime_message_get_bcc (GMimeMessage *message);
 
+InternetAddressList *g_mime_message_get_resent_from (GMimeMessage *message);
+InternetAddressList *g_mime_message_get_resent_sender (GMimeMessage *message);
+InternetAddressList *g_mime_message_get_resent_reply_to (GMimeMessage *message);
+InternetAddressList *g_mime_message_get_resent_to (GMimeMessage *message);
+InternetAddressList *g_mime_message_get_resent_cc (GMimeMessage *message);
+InternetAddressList *g_mime_message_get_resent_bcc (GMimeMessage *message);
+
 void g_mime_message_add_mailbox (GMimeMessage *message, GMimeAddressType type, const char *name, const char 
*addr);
 InternetAddressList *g_mime_message_get_addresses (GMimeMessage *message, GMimeAddressType type);
 InternetAddressList *g_mime_message_get_all_recipients (GMimeMessage *message);