sort.c

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#include "config.h"
#include <stdbool.h>
#include <stddef.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "sort.h"
#include "alias.h"
#include "gui.h"
 
static int alias_sort_name(const void *a, const void *b, void *sdata)
{
  const struct AliasView *av_a = a;
  const struct AliasView *av_b = b;
  const bool sort_reverse = *(bool *) sdata;
 
  if (av_a->is_visible != av_b->is_visible)
    return av_a->is_visible ? -1 : 1;
 
  if (!av_a->is_visible)
    return 0;
 
  int rc = mutt_str_coll(av_a->alias->name, av_b->alias->name);
  return sort_reverse ? -rc : rc;
}
 
static int alias_sort_address(const void *a, const void *b, void *sdata)
{
  const struct AliasView *av_a = a;
  const struct AliasView *av_b = b;
  const bool sort_reverse = *(bool *) sdata;
 
  const struct AddressList *al_a = &av_a->alias->addr;
  const struct AddressList *al_b = &av_b->alias->addr;
 
  if (av_a->is_visible != av_b->is_visible)
    return av_a->is_visible ? -1 : 1;
 
  if (!av_a->is_visible)
    return 0;
 
  int rc;
  if (al_a == al_b)
  {
    rc = 0;
  }
  else if (!al_a)
  {
    rc = -1;
  }
  else if (!al_b)
  {
    rc = 1;
  }
  else
  {
    const struct Address *addr_a = TAILQ_FIRST(al_a);
    const struct Address *addr_b = TAILQ_FIRST(al_b);
    if (addr_a && addr_a->personal)
    {
      if (addr_b && addr_b->personal)
        rc = buf_coll(addr_a->personal, addr_b->personal);
      else
        rc = 1;
    }
    else if (addr_b && addr_b->personal)
    {
      rc = -1;
    }
    else if (addr_a && addr_b)
    {
      rc = buf_coll(addr_a->mailbox, addr_b->mailbox);
    }
    else
    {
      rc = 0;
    }
  }
 
  return sort_reverse ? -rc : rc;
}
 
static int alias_sort_unsort(const void *a, const void *b, void *sdata)
{
  const struct AliasView *av_a = a;
  const struct AliasView *av_b = b;
  const bool sort_reverse = *(bool *) sdata;
 
  if (av_a->is_visible != av_b->is_visible)
    return av_a->is_visible ? -1 : 1;
 
  if (!av_a->is_visible)
    return 0;
 
  int rc = mutt_numeric_cmp(av_a->orig_seq, av_b->orig_seq);
  return sort_reverse ? -rc : rc;
}
 
static sort_t alias_get_sort_function(short sort)
{
  switch ((sort & SORT_MASK))
  {
    case SORT_ALIAS:
      return alias_sort_name;
    case SORT_ADDRESS:
      return alias_sort_address;
    case SORT_ORDER:
      return alias_sort_unsort;
    default:
      return alias_sort_name;
  }
}
 
void alias_array_sort(struct AliasViewArray *ava, const struct ConfigSubset *sub)
{
  if (!ava || ARRAY_EMPTY(ava))
    return;
 
  const short c_sort_alias = cs_subset_sort(sub, "sort_alias");
  bool sort_reverse = (c_sort_alias & SORT_REVERSE);
  ARRAY_SORT(ava, alias_get_sort_function(c_sort_alias), &sort_reverse);
 
  struct AliasView *avp = NULL;
  ARRAY_FOREACH(avp, ava)
  {
    avp->num = ARRAY_FOREACH_IDX;
  }
}