tag.c

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#include "config.h"
#include <stddef.h>
#include <ctype.h>
#include "mutt/lib.h"
#include "tag.h"
 
void nm_tag_array_free(struct NmTags *tags)
{
  ARRAY_FREE(&tags->tags);
  FREE(&tags->tag_str);
}
 
struct NmTags nm_tag_str_to_tags(const char *tag_str)
{
  char *buf = mutt_str_dup(tag_str);
 
  struct NmTags tags = { ARRAY_HEAD_INITIALIZER, buf };
 
  char *end = NULL;
  char *tag = NULL;
 
  for (char *p = buf; p && (p[0] != '\0'); p++)
  {
    if (!tag && isspace(*p))
      continue;
    if (!tag)
      tag = p; /* begin of the tag */
    if ((p[0] == ',') || (p[0] == ' '))
      end = p; /* terminate the tag */
    else if (p[1] == '\0')
      end = p + 1; /* end of optstr */
    if (!tag || !end)
      continue;
    if (tag >= end)
      break;
    *end = '\0';
 
    ARRAY_ADD(&tags.tags, tag);
 
    end = NULL;
    tag = NULL;
  }
 
  return tags;
}