| /* Color and styling handling. |
| Copyright (C) 2006, 2019 Free Software Foundation, Inc. |
| Written by Bruno Haible <bruno@clisp.org>, 2006. |
| |
| This program 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. |
| |
| This program 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 <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef _COLOR_H |
| #define _COLOR_H |
| |
| #include <stdbool.h> |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* Whether to output a test page. */ |
| extern LIBTEXTSTYLE_DLL_VARIABLE bool color_test_mode; |
| |
| /* Color option. */ |
| enum color_option { color_no, color_tty, color_yes, color_html }; |
| extern LIBTEXTSTYLE_DLL_VARIABLE enum color_option color_mode; |
| |
| /* Style to use when coloring. */ |
| extern LIBTEXTSTYLE_DLL_VARIABLE const char *style_file_name; |
| |
| /* --color argument handling. Return an error indicator. */ |
| extern bool handle_color_option (const char *option); |
| |
| /* --style argument handling. */ |
| extern void handle_style_option (const char *option); |
| |
| /* Print a color test page. */ |
| extern void print_color_test (void); |
| |
| /* Assign a default value to style_file_name if necessary. |
| STYLE_FILE_ENVVAR is an environment variable that, when set to a non-empty |
| value, specifies the style file to use. This environment variable is meant |
| to be set by the user. |
| STYLESDIR_ENVVAR is an environment variable that, when set to a non-empty |
| value, specifies the directory with the style files, or NULL. This is |
| necessary for running the testsuite before "make install". |
| STYLESDIR_AFTER_INSTALL is the directory with the style files after |
| "make install". |
| DEFAULT_STYLE_FILE is the file name of the default style file, relative to |
| STYLESDIR. */ |
| extern void style_file_prepare (const char *style_file_envvar, |
| const char *stylesdir_envvar, |
| const char *stylesdir_after_install, |
| const char *default_style_file); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* _COLOR_H */ |