module.c

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#include "config.h"
#include <stdbool.h>
#include <stddef.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "module_data.h"
#include "tags.h"
 
extern struct ConfigDef EmailVars[];
 
extern const struct Command EmailCommands[];

static bool email_init(struct NeoMutt *n)
{
  struct EmailModuleData *md = MUTT_MEM_CALLOC(1, struct EmailModuleData);
  neomutt_set_module_data(n, MODULE_ID_EMAIL, md);
 
  md->auto_subscribe_cache = NULL;
 
  STAILQ_INIT(&md->alternative_order);
  STAILQ_INIT(&md->auto_view);
  STAILQ_INIT(&md->header_order);
  STAILQ_INIT(&md->ignore);
  STAILQ_INIT(&md->mail);
  STAILQ_INIT(&md->mail_to_allow);
  STAILQ_INIT(&md->no_spam);
  STAILQ_INIT(&md->spam);
  STAILQ_INIT(&md->subscribed);
  STAILQ_INIT(&md->unignore);
  STAILQ_INIT(&md->unmail);
  STAILQ_INIT(&md->unsubscribed);
 
  /* RFC2368, "4. Unsafe headers"
   * The creator of a mailto URL can't expect the resolver of a URL to
   * understand more than the "subject" and "body" headers. Clients that
   * resolve mailto URLs into mail messages should be able to correctly create
   * RFC822-compliant mail messages using the "subject" and "body" headers. */
  add_to_stailq(&md->mail_to_allow, "body");
  add_to_stailq(&md->mail_to_allow, "subject");
  // Cc, In-Reply-To, and References help with not breaking threading on mailing lists
  add_to_stailq(&md->mail_to_allow, "cc");
  add_to_stailq(&md->mail_to_allow, "in-reply-to");
  add_to_stailq(&md->mail_to_allow, "references");
 
  driver_tags_init(md);
 
  return true;
}

static bool email_config_define_variables(struct NeoMutt *n, struct ConfigSet *cs)
{
  return cs_register_variables(cs, EmailVars);
}

static bool email_commands_register(struct NeoMutt *n, struct CommandArray *ca)
{
  return commands_register(ca, EmailCommands);
}

static bool email_cleanup(struct NeoMutt *n)
{
  struct EmailModuleData *md = neomutt_get_module_data(n, MODULE_ID_EMAIL);
  ASSERT(md);
 
  mutt_hash_free(&md->auto_subscribe_cache);
 
  mutt_list_free(&md->alternative_order);
  mutt_list_free(&md->auto_view);
  mutt_list_free(&md->header_order);
  mutt_list_free(&md->ignore);
  mutt_list_free(&md->mail_to_allow);
  mutt_list_free(&md->unignore);
 
  mutt_regexlist_free(&md->mail);
  mutt_regexlist_free(&md->no_spam);
  mutt_regexlist_free(&md->subscribed);
  mutt_regexlist_free(&md->unmail);
  mutt_regexlist_free(&md->unsubscribed);
 
  mutt_replacelist_free(&md->spam);
 
  driver_tags_cleanup(md);
 
  FREE(&md);
  return true;
}

const struct Module ModuleEmail = {
  MODULE_ID_EMAIL,
  "email",
  email_init,
  NULL, // config_define_types
  email_config_define_variables,
  email_commands_register,
  NULL, // gui_init
  NULL, // gui_cleanup
  email_cleanup,
};