gdb/cli/cli-style.h

   1 /* CLI stylizing
   2
   3    Copyright (C) 2018-2019 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 #ifndef CLI_CLI_STYLE_H
  21 #define CLI_CLI_STYLE_H
  22
  23 #include "ui-file.h"
  24
  25 /* A single CLI style option.  */
  26 class cli_style_option
  27 {
  28 public:
  29
  30   /* Construct a CLI style option with a foreground color.  */
  31   cli_style_option (ui_file_style::basic_color fg);
  32
  33   /* Return a ui_file_style corresponding to the settings in this CLI
  34      style.  */
  35   ui_file_style style () const;
  36
  37   /* Call once to register this CLI style with the CLI engine.  */
  38   void add_setshow_commands (const char *name,
  39                              enum command_class theclass,
  40                              const char *prefix_doc,
  41                              struct cmd_list_element **set_list,
  42                              void (*do_set) (const char *args, int from_tty),
  43                              struct cmd_list_element **show_list,
  44                              void (*do_show) (const char *args, int from_tty));
  45
  46   /* Return the 'set style NAME' command list, that can be used
  47      to build a lambda DO_SET to call add_setshow_commands.  */
  48   struct cmd_list_element *set_list () { return m_set_list; };
  49
  50   /* Same as SET_LIST but for the show command list.  */
  51   struct cmd_list_element *show_list () { return m_show_list; };
  52
  53 private:
  54
  55   /* The foreground.  */
  56   const char *m_foreground;
  57   /* The background.  */
  58   const char *m_background;
  59   /* The intensity.  */
  60   const char *m_intensity;
  61
  62   /* Storage for prefixes needed when registering the commands.  */
  63   std::string m_show_prefix;
  64   std::string m_set_prefix;
  65   /* Storage for command lists needed when registering
  66      subcommands.  */
  67   struct cmd_list_element *m_set_list = nullptr;
  68   struct cmd_list_element *m_show_list = nullptr;
  69
  70   /* Callback to show the foreground.  */
  71   static void do_show_foreground (struct ui_file *file, int from_tty,
  72                                   struct cmd_list_element *cmd,
  73                                   const char *value);
  74   /* Callback to show the background.  */
  75   static void do_show_background (struct ui_file *file, int from_tty,
  76                                   struct cmd_list_element *cmd,
  77                                   const char *value);
  78   /* Callback to show the intensity.  */
  79   static void do_show_intensity (struct ui_file *file, int from_tty,
  80                                  struct cmd_list_element *cmd,
  81                                  const char *value);
  82 };
  83
  84 /* The file name style.  */
  85 extern cli_style_option file_name_style;
  86
  87 /* The function name style.  */
  88 extern cli_style_option function_name_style;
  89
  90 /* The variable name style.  */
  91 extern cli_style_option variable_name_style;
  92
  93 /* The address style.  */
  94 extern cli_style_option address_style;
  95
  96 /* True if styling is enabled.  */
  97 extern int cli_styling;
  98
  99 #endif /* CLI_CLI_STYLE_H */