| 1 | /* CLI colorizing |
| 2 | |
| 3 | Copyright (C) 2018 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "cli/cli-cmds.h" |
| 22 | #include "cli/cli-style.h" |
| 23 | |
| 24 | /* True if styling is enabled. */ |
| 25 | |
| 26 | #if defined(_WIN32) || defined (__CYGWIN__) |
| 27 | int cli_styling = 0; |
| 28 | #else |
| 29 | int cli_styling = 1; |
| 30 | #endif |
| 31 | |
| 32 | /* Name of colors; must correspond to ui_file_style::basic_color. */ |
| 33 | static const char * const cli_colors[] = { |
| 34 | "none", |
| 35 | "black", |
| 36 | "red", |
| 37 | "green", |
| 38 | "yellow", |
| 39 | "blue", |
| 40 | "magenta", |
| 41 | "cyan", |
| 42 | "white", |
| 43 | nullptr |
| 44 | }; |
| 45 | |
| 46 | /* Names of intensities; must correspond to |
| 47 | ui_file_style::intensity. */ |
| 48 | static const char * const cli_intensities[] = { |
| 49 | "normal", |
| 50 | "bold", |
| 51 | "dim", |
| 52 | nullptr |
| 53 | }; |
| 54 | |
| 55 | /* See cli-style.h. */ |
| 56 | |
| 57 | cli_style_option file_name_style (ui_file_style::GREEN); |
| 58 | |
| 59 | /* See cli-style.h. */ |
| 60 | |
| 61 | cli_style_option function_name_style (ui_file_style::YELLOW); |
| 62 | |
| 63 | /* See cli-style.h. */ |
| 64 | |
| 65 | cli_style_option::cli_style_option (ui_file_style::basic_color fg) |
| 66 | : m_foreground (cli_colors[fg - ui_file_style::NONE]), |
| 67 | m_background (cli_colors[0]), |
| 68 | m_intensity (cli_intensities[ui_file_style::NORMAL]) |
| 69 | { |
| 70 | } |
| 71 | |
| 72 | /* Return the color number corresponding to COLOR. */ |
| 73 | |
| 74 | static int |
| 75 | color_number (const char *color) |
| 76 | { |
| 77 | for (int i = 0; i < ARRAY_SIZE (cli_colors); ++i) |
| 78 | { |
| 79 | if (color == cli_colors[i]) |
| 80 | return i - 1; |
| 81 | } |
| 82 | gdb_assert_not_reached ("color not found"); |
| 83 | } |
| 84 | |
| 85 | /* See cli-style.h. */ |
| 86 | |
| 87 | ui_file_style |
| 88 | cli_style_option::style () const |
| 89 | { |
| 90 | int fg = color_number (m_foreground); |
| 91 | int bg = color_number (m_background); |
| 92 | ui_file_style::intensity intensity = ui_file_style::NORMAL; |
| 93 | |
| 94 | for (int i = 0; i < ARRAY_SIZE (cli_intensities); ++i) |
| 95 | { |
| 96 | if (m_intensity == cli_intensities[i]) |
| 97 | { |
| 98 | intensity = (ui_file_style::intensity) i; |
| 99 | break; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | return ui_file_style (fg, bg, intensity); |
| 104 | } |
| 105 | |
| 106 | /* See cli-style.h. */ |
| 107 | |
| 108 | void |
| 109 | cli_style_option::do_set (const char *args, int from_tty) |
| 110 | { |
| 111 | } |
| 112 | |
| 113 | /* See cli-style.h. */ |
| 114 | |
| 115 | void |
| 116 | cli_style_option::do_show (const char *args, int from_tty) |
| 117 | { |
| 118 | } |
| 119 | |
| 120 | /* See cli-style.h. */ |
| 121 | |
| 122 | void |
| 123 | cli_style_option::do_show_foreground (struct ui_file *file, int from_tty, |
| 124 | struct cmd_list_element *cmd, |
| 125 | const char *value) |
| 126 | { |
| 127 | const char *name = (const char *) get_cmd_context (cmd); |
| 128 | fprintf_filtered (file, _("The \"%s\" foreground color is: %s\n"), |
| 129 | name, value); |
| 130 | } |
| 131 | |
| 132 | /* See cli-style.h. */ |
| 133 | |
| 134 | void |
| 135 | cli_style_option::do_show_background (struct ui_file *file, int from_tty, |
| 136 | struct cmd_list_element *cmd, |
| 137 | const char *value) |
| 138 | { |
| 139 | const char *name = (const char *) get_cmd_context (cmd); |
| 140 | fprintf_filtered (file, _("The \"%s\" background color is: %s\n"), |
| 141 | name, value); |
| 142 | } |
| 143 | |
| 144 | /* See cli-style.h. */ |
| 145 | |
| 146 | void |
| 147 | cli_style_option::do_show_intensity (struct ui_file *file, int from_tty, |
| 148 | struct cmd_list_element *cmd, |
| 149 | const char *value) |
| 150 | { |
| 151 | const char *name = (const char *) get_cmd_context (cmd); |
| 152 | fprintf_filtered (file, _("The \"%s\" display intensity is: %s\n"), |
| 153 | name, value); |
| 154 | } |
| 155 | |
| 156 | /* See cli-style.h. */ |
| 157 | |
| 158 | void |
| 159 | cli_style_option::add_setshow_commands (const char *name, |
| 160 | enum command_class theclass, |
| 161 | const char *prefix_doc, |
| 162 | const char *prefixname, |
| 163 | struct cmd_list_element **set_list, |
| 164 | struct cmd_list_element **show_list) |
| 165 | { |
| 166 | m_show_prefix = std::string ("set ") + prefixname + " "; |
| 167 | m_show_prefix = std::string ("show ") + prefixname + " "; |
| 168 | |
| 169 | add_prefix_cmd (name, no_class, do_set, prefix_doc, &m_set_list, |
| 170 | m_show_prefix.c_str (), 0, set_list); |
| 171 | add_prefix_cmd (name, no_class, do_show, prefix_doc, &m_show_list, |
| 172 | m_set_prefix.c_str (), 0, show_list); |
| 173 | |
| 174 | add_setshow_enum_cmd ("foreground", theclass, cli_colors, |
| 175 | &m_foreground, |
| 176 | _("Set the foreground color for this property"), |
| 177 | _("Show the foreground color for this property"), |
| 178 | nullptr, |
| 179 | nullptr, |
| 180 | do_show_foreground, |
| 181 | &m_set_list, &m_show_list, (void *) name); |
| 182 | add_setshow_enum_cmd ("background", theclass, cli_colors, |
| 183 | &m_background, |
| 184 | _("Set the background color for this property"), |
| 185 | _("Show the background color for this property"), |
| 186 | nullptr, |
| 187 | nullptr, |
| 188 | do_show_background, |
| 189 | &m_set_list, &m_show_list, (void *) name); |
| 190 | add_setshow_enum_cmd ("intensity", theclass, cli_intensities, |
| 191 | &m_intensity, |
| 192 | _("Set the display intensity color for this property"), |
| 193 | _("\ |
| 194 | Show the display intensity color for this property"), |
| 195 | nullptr, |
| 196 | nullptr, |
| 197 | do_show_intensity, |
| 198 | &m_set_list, &m_show_list, (void *) name); |
| 199 | } |
| 200 | |
| 201 | static void |
| 202 | set_style (const char *arg, int from_tty) |
| 203 | { |
| 204 | } |
| 205 | |
| 206 | static void |
| 207 | show_style (const char *arg, int from_tty) |
| 208 | { |
| 209 | } |
| 210 | |
| 211 | static void |
| 212 | show_style_enabled (struct ui_file *file, int from_tty, |
| 213 | struct cmd_list_element *c, const char *value) |
| 214 | { |
| 215 | if (cli_styling) |
| 216 | fprintf_filtered (file, _("CLI output styling is enabled.\n")); |
| 217 | else |
| 218 | fprintf_filtered (file, _("CLI output styling is disabled.\n")); |
| 219 | } |
| 220 | |
| 221 | void |
| 222 | _initialize_cli_style () |
| 223 | { |
| 224 | static cmd_list_element *style_set_list; |
| 225 | static cmd_list_element *style_show_list; |
| 226 | |
| 227 | add_prefix_cmd ("style", no_class, set_style, _("\ |
| 228 | Style-specific settings\n\ |
| 229 | Configure various style-related variables, such as colors"), |
| 230 | &style_set_list, "set style ", 0, &setlist); |
| 231 | add_prefix_cmd ("style", no_class, show_style, _("\ |
| 232 | Style-specific settings\n\ |
| 233 | Configure various style-related variables, such as colors"), |
| 234 | &style_show_list, "show style ", 0, &showlist); |
| 235 | |
| 236 | add_setshow_boolean_cmd ("enabled", no_class, &cli_styling, _("\ |
| 237 | Set whether CLI styling is enabled."), _("\ |
| 238 | Show whether CLI is enabled."), _("\ |
| 239 | If enabled, output to the terminal is styled."), |
| 240 | NULL, show_style_enabled, |
| 241 | &style_set_list, &style_show_list); |
| 242 | |
| 243 | file_name_style.add_setshow_commands ("filename", no_class, |
| 244 | _("\ |
| 245 | Filename display styling\n\ |
| 246 | Configure filename colors and display intensity."), |
| 247 | "style filename", |
| 248 | &style_set_list, |
| 249 | &style_show_list); |
| 250 | function_name_style.add_setshow_commands ("function", no_class, |
| 251 | _("\ |
| 252 | Function name display styling\n\ |
| 253 | Configure function name colors and display intensity"), |
| 254 | "style function", |
| 255 | &style_set_list, |
| 256 | &style_show_list); |
| 257 | } |