ansi.c

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#include "config.h"
#include <stdbool.h>
#include "mutt/lib.h"
#include "gui/lib.h"
#include "ansi.h"
#include "attr.h"
#include "color.h"
#include "curses2.h"
#include "parse_ansi.h"
#include "simple2.h"
 
color_t color_xterm256_to_24bit(const color_t color);
 
static void ansi_color_list_add(struct AttrColorList *acl, struct AnsiColor *ansi)
{
  if (!acl || !ansi)
    return;
 
  if ((ansi->fg.color == COLOR_DEFAULT) && (ansi->bg.color == COLOR_DEFAULT))
  {
    switch (ansi->attrs)
    {
      case A_NORMAL:
        return;
      case A_BOLD:
        ansi->attr_color = simple_color_get(MT_COLOR_BOLD);
        return;
#ifdef A_ITALIC_DEFINED
      case A_ITALIC:
        ansi->attr_color = simple_color_get(MT_COLOR_ITALIC);
        return;
#endif
      case A_UNDERLINE:
        ansi->attr_color = simple_color_get(MT_COLOR_UNDERLINE);
        return;
    }
  }
 
  color_t fg = ansi->fg.color;
  color_t bg = ansi->bg.color;
 
#ifdef NEOMUTT_DIRECT_COLORS
  if ((ansi->fg.type == CT_SIMPLE) || (ansi->fg.type == CT_PALETTE))
    fg = color_xterm256_to_24bit(fg);
  else if (fg < 8)
    fg = 8;
  if ((ansi->bg.type == CT_SIMPLE) || (ansi->bg.type == CT_PALETTE))
    bg = color_xterm256_to_24bit(bg);
  else if (bg < 8)
    bg = 8;
#endif
 
  struct AttrColor *ac = attr_color_list_find(acl, fg, bg, ansi->attrs);
  if (ac)
  {
    ansi->attr_color = ac;
    return;
  }
 
  ac = attr_color_new();
  ac->attrs = ansi->attrs;
  ac->fg = ansi->fg;
  ac->bg = ansi->bg;
 
  struct CursesColor *cc = curses_color_new(fg, bg);
  ac->curses_color = cc;
  ansi->attr_color = ac;
 
  TAILQ_INSERT_TAIL(acl, ac, entries);
}
 
int ansi_color_parse(const char *str, struct AnsiColor *ansi,
                     struct AttrColorList *acl, bool dry_run)
{
  int seq_len = 0;
  int total_len = 0;
 
  while ((seq_len = ansi_color_parse_single(str + total_len, ansi, dry_run)) != 0)
  {
    total_len += seq_len;
  }
 
  ansi_color_list_add(acl, ansi);
 
  return total_len;
}