diff options
Diffstat (limited to 'lib/filehighlight/get-color.c')
| -rw-r--r-- | lib/filehighlight/get-color.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/lib/filehighlight/get-color.c b/lib/filehighlight/get-color.c new file mode 100644 index 0000000..cdca7e4 --- /dev/null +++ b/lib/filehighlight/get-color.c @@ -0,0 +1,313 @@ +/* + File highlight plugin. + Interface functions. get color pair index for highlighted file. + + Copyright (C) 2009-2023 + 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; +} + +/* --------------------------------------------------------------------------------------------- */ |