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/*
File highlight plugin.
Interface functions. get color pair index for highlighted file.
Copyright (C) 2009-2025
Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2009.
This file is part of the Midnight Commander.
The Midnight Commander 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 3 of the License,
or (at your option) any later version.
The Midnight Commander 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/>.
*/
#include <config.h>
#include <string.h>
#include "lib/global.h"
#include "lib/skin.h"
#include "lib/util.h" /* is_exe() */
#include "lib/filehighlight.h"
#include "internal.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** forward declarations (file scope functions) *************************************************/
/*** file scope variables ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*inline functions */
inline static gboolean
mc_fhl_is_file (const file_entry_t *fe)
{
#if HAVE_S_ISREG == 0
(void) fe;
#endif
return S_ISREG (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_file_exec (const file_entry_t *fe)
{
return is_exe (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_dir (const file_entry_t *fe)
{
#if HAVE_S_ISDIR == 0
(void) fe;
#endif
return S_ISDIR (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_link (const file_entry_t *fe)
{
#if HAVE_S_ISLNK == 0
(void) fe;
#endif
return S_ISLNK (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_hlink (const file_entry_t *fe)
{
return (fe->st.st_nlink > 1);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_link_to_dir (const file_entry_t *fe)
{
return mc_fhl_is_link (fe) && fe->f.link_to_dir != 0;
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_stale_link (const file_entry_t *fe)
{
return mc_fhl_is_link (fe) ? (fe->f.stale_link != 0) : !mc_fhl_is_file (fe);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_device_char (const file_entry_t *fe)
{
#if HAVE_S_ISCHR == 0
(void) fe;
#endif
return S_ISCHR (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_device_block (const file_entry_t *fe)
{
#if HAVE_S_ISBLK == 0
(void) fe;
#endif
return S_ISBLK (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_special_socket (const file_entry_t *fe)
{
#if HAVE_S_ISSOCK == 0
(void) fe;
#endif
return S_ISSOCK (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_special_fifo (const file_entry_t *fe)
{
#if HAVE_S_ISFIFO == 0
(void) fe;
#endif
return S_ISFIFO (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_special_door (const file_entry_t *fe)
{
#if HAVE_S_ISDOOR == 0
(void) fe;
#endif
return S_ISDOOR (fe->st.st_mode);
}
/* --------------------------------------------------------------------------------------------- */
inline static gboolean
mc_fhl_is_special (const file_entry_t *fe)
{
return
(mc_fhl_is_special_socket (fe) || mc_fhl_is_special_fifo (fe)
|| mc_fhl_is_special_door (fe));
}
/* --------------------------------------------------------------------------------------------- */
static int
mc_fhl_get_color_filetype (const mc_fhl_filter_t *mc_filter, const mc_fhl_t *fhl,
const file_entry_t *fe)
{
gboolean my_color = FALSE;
(void) fhl;
switch (mc_filter->file_type)
{
case MC_FLHGH_FTYPE_T_FILE:
if (mc_fhl_is_file (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_FILE_EXE:
if (mc_fhl_is_file (fe) && mc_fhl_is_file_exec (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_DIR:
if (mc_fhl_is_dir (fe) || mc_fhl_is_link_to_dir (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_LINK_DIR:
if (mc_fhl_is_link_to_dir (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_LINK:
if (mc_fhl_is_link (fe) || mc_fhl_is_hlink (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_HARDLINK:
if (mc_fhl_is_hlink (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_SYMLINK:
if (mc_fhl_is_link (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_STALE_LINK:
if (mc_fhl_is_stale_link (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_DEVICE:
if (mc_fhl_is_device_char (fe) || mc_fhl_is_device_block (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_DEVICE_BLOCK:
if (mc_fhl_is_device_block (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_DEVICE_CHAR:
if (mc_fhl_is_device_char (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_SPECIAL:
if (mc_fhl_is_special (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_SPECIAL_SOCKET:
if (mc_fhl_is_special_socket (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_SPECIAL_FIFO:
if (mc_fhl_is_special_fifo (fe))
my_color = TRUE;
break;
case MC_FLHGH_FTYPE_T_SPECIAL_DOOR:
if (mc_fhl_is_special_door (fe))
my_color = TRUE;
break;
default:
break;
}
return my_color ? mc_filter->color_pair_index : -1;
}
/* --------------------------------------------------------------------------------------------- */
static int
mc_fhl_get_color_regexp (const mc_fhl_filter_t *mc_filter, const mc_fhl_t *fhl,
const file_entry_t *fe)
{
(void) fhl;
if (mc_filter->search_condition == NULL)
return -1;
if (mc_search_run (mc_filter->search_condition, fe->fname->str, 0, fe->fname->len, NULL))
return mc_filter->color_pair_index;
return -1;
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
int
mc_fhl_get_color (const mc_fhl_t *fhl, const file_entry_t *fe)
{
guint i;
int ret;
if (fhl == NULL)
return NORMAL_COLOR;
for (i = 0; i < fhl->filters->len; i++)
{
mc_fhl_filter_t *mc_filter;
mc_filter = (mc_fhl_filter_t *) g_ptr_array_index (fhl->filters, i);
switch (mc_filter->type)
{
case MC_FLHGH_T_FTYPE:
ret = mc_fhl_get_color_filetype (mc_filter, fhl, fe);
if (ret > 0)
return -ret;
break;
case MC_FLHGH_T_EXT:
case MC_FLHGH_T_FREGEXP:
ret = mc_fhl_get_color_regexp (mc_filter, fhl, fe);
if (ret > 0)
return -ret;
break;
default:
break;
}
}
return NORMAL_COLOR;
}
/* --------------------------------------------------------------------------------------------- */
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