dlg_query.c File Reference

Routines for querying an external address book. More...

#include "config.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "mutt.h"
#include "lib.h"
#include "editor/lib.h"
#include "history/lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "pattern/lib.h"
#include "send/lib.h"
#include "alias.h"
#include "format_flags.h"
#include "functions.h"
#include "globals.h"
#include "gui.h"
#include "mutt_logging.h"
#include "muttlib.h"

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Functions
bool	alias_to_addrlist (struct AddressList *al, struct Alias *alias)
	Turn an Alias into an AddressList.
static const char *	query_format_str (char *buf, size_t buflen, size_t col, int cols, char op, const char *src, const char *prec, const char *if_str, const char *else_str, intptr_t data, MuttFormatFlags flags)
	Format a string for the query menu - Implements format_t -.
static void	query_make_entry (struct Menu *menu, char *buf, size_t buflen, int line)
	Format a menu item for the query list - Implements Menu::make_entry() -.
static int	query_tag (struct Menu *menu, int sel, int act)
	Tag an entry in the Query Menu - Implements Menu::tag() -.
int	query_run (const char *s, bool verbose, struct AliasList *al, const struct ConfigSubset *sub)
	Run an external program to find Addresses.
static int	query_window_observer (struct NotifyCallback *nc)
	Notification that a Window has changed - Implements observer_t -.
static struct MuttWindow *	query_dialog_new (struct AliasMenuData *mdata, const char *query)
	Create an Query Selection Dialog.
static bool	dlg_query (struct Buffer *buf, struct AliasMenuData *mdata)
	Get the user to enter an Address Query -.
int	query_complete (struct Buffer *buf, struct ConfigSubset *sub)
	Perform auto-complete using an Address Query.
void	query_index (struct Mailbox *m, struct ConfigSubset *sub)
	Perform an Alias Query and display the results.

Variables
static const struct Mapping	QueryHelp []
	Help Bar for the Address Query dialog.

Detailed Description

Routines for querying an external address book.

Authors

• Michael R. Elkins
• Pietro Cerutti
• Richard Russon

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file dlg_query.c.

Function Documentation

alias_to_addrlist()

bool alias_to_addrlist	(	struct AddressList *	al,
		struct Alias *	alias
	)

Turn an Alias into an AddressList.

Parameters

al	AddressList to fill (must be empty)
alias	Alias to use

Return values

true

Success

Definition at line 120 of file dlg_query.c.

{
  if (!al || !TAILQ_EMPTY(al) || !alias)
    return false;
 
  mutt_addrlist_copy(al, &alias->addr, false);
  if (!TAILQ_EMPTY(al))
  {
    struct Address *first = TAILQ_FIRST(al);
    struct Address *second = TAILQ_NEXT(first, entries);
    if (!second && !first->personal)
    {
      first->personal = buf_new(alias->name);
    }
 
    mutt_addrlist_to_intl(al, NULL);
  }
 
  return true;
}

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query_run()

int query_run	(	const char *	s,
		bool	verbose,
		struct AliasList *	al,
		const struct ConfigSubset *	sub
	)

Run an external program to find Addresses.

Parameters

s	String to match
verbose	If true, print progress messages
al	Alias list to fill
sub	Config items

Return values

0	Success
-1	Error

Definition at line 260 of file dlg_query.c.

{
  FILE *fp = NULL;
  char *buf = NULL;
  size_t buflen;
  char *msg = NULL;
  size_t msglen = 0;
  char *p = NULL;
  struct Buffer *cmd = buf_pool_get();
 
  const char *const c_query_command = cs_subset_string(sub, "query_command");
  buf_file_expand_fmt_quote(cmd, c_query_command, s);
 
  pid_t pid = filter_create(buf_string(cmd), NULL, &fp, NULL, EnvList);
  if (pid < 0)
  {
    mutt_debug(LL_DEBUG1, "unable to fork command: %s\n", buf_string(cmd));
    buf_pool_release(&cmd);
    return -1;
  }
  buf_pool_release(&cmd);
 
  if (verbose)
    mutt_message(_("Waiting for response..."));
 
  /* The query protocol first reads one NL-terminated line. If an error
   * occurs, this is assumed to be an error message. Otherwise it's ignored. */
  msg = mutt_file_read_line(msg, &msglen, fp, NULL, MUTT_RL_NO_FLAGS);
  while ((buf = mutt_file_read_line(buf, &buflen, fp, NULL, MUTT_RL_NO_FLAGS)))
  {
    p = strtok(buf, "\t\n");
    if (p)
    {
      struct Alias *alias = alias_new();
 
      mutt_addrlist_parse(&alias->addr, p);
      p = strtok(NULL, "\t\n");
      if (p)
      {
        alias->name = mutt_str_dup(p);
        p = strtok(NULL, "\t\n");
        alias->comment = mutt_str_dup(p);
      }
      TAILQ_INSERT_TAIL(al, alias, entries);
    }
  }
  FREE(&buf);
  mutt_file_fclose(&fp);
  if (filter_wait(pid))
  {
    mutt_debug(LL_DEBUG1, "Error: %s\n", msg);
    if (verbose)
      mutt_error("%s", msg);
  }
  else
  {
    if (verbose)
      mutt_message("%s", msg);
  }
  FREE(&msg);
 
  return 0;
}

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query_dialog_new()

static struct MuttWindow * query_dialog_new ( struct AliasMenuData *  mdata, const char *  query  )

static

Create an Query Selection Dialog.

Parameters

mdata	Menu data holding Aliases
query	Initial query string

Return values

ptr	New Dialog

Definition at line 356 of file dlg_query.c.

{
  struct MuttWindow *dlg = simple_dialog_new(MENU_QUERY, WT_DLG_QUERY, QueryHelp);
 
  struct Menu *menu = dlg->wdata;
 
  menu->make_entry = query_make_entry;
  menu->tag = query_tag;
  menu->max = ARRAY_SIZE(&mdata->ava);
  mdata->title = mutt_str_dup(_("Query"));
  menu->mdata = mdata;
  menu->mdata_free = NULL; // Menu doesn't own the data
 
  struct MuttWindow *win_menu = menu->win;
 
  // Override the Simple Dialog's recalc()
  win_menu->recalc = alias_recalc;
 
  char title[256] = { 0 };
  snprintf(title, sizeof(title), "%s: %s", mdata->title, query);
  struct MuttWindow *sbar = window_find_child(dlg, WT_STATUS_BAR);
  sbar_set_title(sbar, title);
 
  // NT_COLOR is handled by the SimpleDialog
  notify_observer_add(NeoMutt->sub->notify, NT_CONFIG, alias_config_observer, menu);
  notify_observer_add(win_menu->notify, NT_WINDOW, query_window_observer, win_menu);
 
  return dlg;
}

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query_complete()

int query_complete	(	struct Buffer *	buf,
		struct ConfigSubset *	sub
	)

Perform auto-complete using an Address Query.

Parameters

buf	Buffer for completion
sub	Config item

Return values

0

Always

Definition at line 456 of file dlg_query.c.

{
  struct AliasMenuData mdata = { ARRAY_HEAD_INITIALIZER, NULL, sub };
  mdata.search_state = search_state_new();
 
  struct AliasList al = TAILQ_HEAD_INITIALIZER(al);
  const char *const c_query_command = cs_subset_string(sub, "query_command");
  if (!c_query_command)
  {
    mutt_warning(_("Query command not defined"));
    goto done;
  }
 
  query_run(buf_string(buf), true, &al, sub);
  if (TAILQ_EMPTY(&al))
    goto done;
 
  mdata.al = &al;
 
  struct Alias *a_first = TAILQ_FIRST(&al);
  if (!TAILQ_NEXT(a_first, entries)) // only one response?
  {
    struct AddressList addr = TAILQ_HEAD_INITIALIZER(addr);
    if (alias_to_addrlist(&addr, a_first))
    {
      mutt_addrlist_to_local(&addr);
      buf_reset(buf);
      mutt_addrlist_write(&addr, buf, false);
      mutt_addrlist_clear(&addr);
      mutt_clear_error();
    }
    goto done;
  }
 
  struct Alias *np = NULL;
  TAILQ_FOREACH(np, mdata.al, entries)
  {
    alias_array_alias_add(&mdata.ava, np);
  }
 
  /* multiple results, choose from query menu */
  if (!dlg_query(buf, &mdata))
    goto done;
 
  buf_reset(buf);
  buf_alloc(buf, 8192);
  bool first = true;
  struct AliasView *avp = NULL;
  ARRAY_FOREACH(avp, &mdata.ava)
  {
    if (!avp->is_tagged)
      continue;
 
    if (!first)
    {
      buf_addstr(buf, ", ");
    }
 
    first = false;
    struct AddressList al_copy = TAILQ_HEAD_INITIALIZER(al_copy);
    if (alias_to_addrlist(&al_copy, avp->alias))
    {
      mutt_addrlist_to_local(&al_copy);
      mutt_addrlist_write(&al_copy, buf, false);
      mutt_addrlist_clear(&al_copy);
    }
  }
 
done:
  ARRAY_FREE(&mdata.ava);
  FREE(&mdata.title);
  FREE(&mdata.limit);
  search_state_free(&mdata.search_state);
  aliaslist_free(&al);
  return 0;
}

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query_index()

void query_index	(	struct Mailbox *	m,
		struct ConfigSubset *	sub
	)

Perform an Alias Query and display the results.

Parameters

m	Mailbox
sub	Config item

Definition at line 538 of file dlg_query.c.

{
  const char *const c_query_command = cs_subset_string(sub, "query_command");
  if (!c_query_command)
  {
    mutt_warning(_("Query command not defined"));
    return;
  }
 
  struct AliasList al = TAILQ_HEAD_INITIALIZER(al);
  struct AliasMenuData mdata = { ARRAY_HEAD_INITIALIZER, NULL, sub };
  mdata.al = &al;
  mdata.search_state = search_state_new();
 
  struct Buffer *buf = buf_pool_get();
  if ((mw_get_field(_("Query: "), buf, MUTT_COMP_NO_FLAGS, HC_OTHER, NULL, NULL) != 0) ||
      buf_is_empty(buf))
  {
    goto done;
  }
 
  query_run(buf_string(buf), false, &al, sub);
  if (TAILQ_EMPTY(&al))
    goto done;
 
  struct Alias *np = NULL;
  TAILQ_FOREACH(np, mdata.al, entries)
  {
    alias_array_alias_add(&mdata.ava, np);
  }
 
  if (!dlg_query(buf, &mdata))
    goto done;
 
  // Prepare the "To:" field of a new email
  struct Email *e = email_new();
  e->env = mutt_env_new();
 
  struct AliasView *avp = NULL;
  ARRAY_FOREACH(avp, &mdata.ava)
  {
    if (!avp->is_tagged)
      continue;
 
    struct AddressList al_copy = TAILQ_HEAD_INITIALIZER(al_copy);
    if (alias_to_addrlist(&al_copy, avp->alias))
    {
      mutt_addrlist_copy(&e->env->to, &al_copy, false);
      mutt_addrlist_clear(&al_copy);
    }
  }
 
  mutt_send_message(SEND_REVIEW_TO, e, NULL, m, NULL, sub);
 
done:
  ARRAY_FREE(&mdata.ava);
  FREE(&mdata.title);
  FREE(&mdata.limit);
  search_state_free(&mdata.search_state);
  aliaslist_free(&al);
  buf_pool_release(&buf);
}

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Variable Documentation

QueryHelp

const struct Mapping QueryHelp[]

static

Initial value:

= {
  
  { N_("Exit"),       OP_EXIT },
  { N_("Mail"),       OP_MAIL },
  { N_("New Query"),  OP_QUERY },
  { N_("Make Alias"), OP_CREATE_ALIAS },
  { N_("Sort"),       OP_SORT },
  { N_("Rev-Sort"),   OP_SORT_REVERSE },
  { N_("Search"),     OP_SEARCH },
  { N_("Help"),       OP_HELP },
  { NULL, 0 },
  
}

Help Bar for the Address Query dialog.

Definition at line 100 of file dlg_query.c.