include/tig/options.h

   1 /* Copyright (c) 2006-2014 Jonas Fonseca <jonas.fonseca@gmail.com>
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License as
   5  * published by the Free Software Foundation; either version 2 of
   6  * the License, or (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef TIG_OPTIONS_H
  15 #define TIG_OPTIONS_H
  16
  17 #include "tig/tig.h"
  18 #include "tig/util.h"
  19 #include "tig/line.h"
  20
  21 /*
  22  * Option variables.
  23  */
  24
  25 #define OPTION_INFO(_) \
  26         _(blame_options,                const char **,          VIEW_BLAME_LIKE) \
  27         _(blame_view,                   const char **,          VIEW_NO_FLAGS) \
  28         _(blob_view,                    const char **,          VIEW_NO_FLAGS) \
  29         _(cmdline_args,                 const char **,          VIEW_NO_FLAGS) \
  30         _(commit_order,                 enum commit_order,      VIEW_LOG_LIKE) \
  31         _(diff_context,                 int,                    VIEW_DIFF_LIKE) \
  32         _(diff_options,                 const char **,          VIEW_DIFF_LIKE) \
  33         _(diff_view,                    const char **,          VIEW_NO_FLAGS) \
  34         _(editor_line_number,           bool,                   VIEW_NO_FLAGS) \
  35         _(file_args,                    const char **,          VIEW_NO_FLAGS) \
  36         _(file_filter,                  bool,                   VIEW_DIFF_LIKE | VIEW_LOG_LIKE) \
  37         _(focus_child,                  bool,                   VIEW_NO_FLAGS) \
  38         _(git_colors,                   const char **,          VIEW_NO_FLAGS) \
  39         _(grep_view,                    const char **,          VIEW_NO_FLAGS) \
  40         _(horizontal_scroll,            double,                 VIEW_NO_FLAGS) \
  41         _(id_width,                     int,                    VIEW_NO_FLAGS) \
  42         _(ignore_case,                  bool,                   VIEW_NO_FLAGS) \
  43         _(ignore_space,                 enum ignore_space,      VIEW_DIFF_LIKE) \
  44         _(line_graphics,                enum graphic,           VIEW_NO_FLAGS) \
  45         _(log_options,                  const char **,          VIEW_LOG_LIKE) \
  46         _(log_view,                     const char **,          VIEW_NO_FLAGS) \
  47         _(main_view,                    const char **,          VIEW_NO_FLAGS) \
  48         _(mouse,                        bool,                   VIEW_NO_FLAGS) \
  49         _(mouse_scroll,                 int,                    VIEW_NO_FLAGS) \
  50         _(pager_view,                   const char **,          VIEW_NO_FLAGS) \
  51         _(refresh_interval,             int,                    VIEW_NO_FLAGS) \
  52         _(refresh_mode,                 enum refresh_mode,      VIEW_NO_FLAGS) \
  53         _(refs_view,                    const char **,          VIEW_NO_FLAGS) \
  54         _(rev_args,                     const char **,          VIEW_NO_FLAGS) \
  55         _(show_changes,                 bool,                   VIEW_NO_FLAGS) \
  56         _(show_notes,                   bool,                   VIEW_NO_FLAGS) \
  57         _(split_view_height,            double,                 VIEW_RESET_DISPLAY) \
  58         _(split_view_width,             double,                 VIEW_RESET_DISPLAY) \
  59         _(stage_view,                   const char **,          VIEW_NO_FLAGS) \
  60         _(stash_view,                   const char **,          VIEW_NO_FLAGS) \
  61         _(status_untracked_dirs,        bool,                   VIEW_STATUS_LIKE) \
  62         _(status_view,                  const char **,          VIEW_NO_FLAGS) \
  63         _(tab_size,                     int,                    VIEW_NO_FLAGS) \
  64         _(tree_view,                    const char **,          VIEW_NO_FLAGS) \
  65         _(vertical_split,               enum vertical_split,    VIEW_RESET_DISPLAY | VIEW_DIFF_LIKE) \
  66         _(wrap_lines,                   bool,                   VIEW_NO_FLAGS) \
  67
  68 #define DEFINE_OPTION_EXTERNS(name, type, flags) extern type opt_##name;
  69 OPTION_INFO(DEFINE_OPTION_EXTERNS);
  70
  71 /*
  72  * View column options.
  73  */
  74
  75 #define AUTHOR_COLUMN_OPTIONS(_) \
  76         _(display,                      enum author,            VIEW_NO_FLAGS) \
  77         _(width,                        int,                    VIEW_NO_FLAGS) \
  78
  79 #define COMMIT_TITLE_COLUMN_OPTIONS(_) \
  80         _(display,                      bool,                   VIEW_NO_FLAGS) \
  81         _(graph,                        enum graph_display,     VIEW_LOG_LIKE) \
  82         _(refs,                         bool,                   VIEW_NO_FLAGS) \
  83         _(overflow,                     int,                    VIEW_NO_FLAGS) \
  84         _(width,                        int,                    VIEW_NO_FLAGS) \
  85
  86 #define DATE_COLUMN_OPTIONS(_) \
  87         _(display,                      enum date,              VIEW_NO_FLAGS) \
  88         _(width,                        int,                    VIEW_NO_FLAGS) \
  89
  90 #define FILE_NAME_COLUMN_OPTIONS(_) \
  91         _(display,                      enum filename,          VIEW_GREP_LIKE) \
  92         _(width,                        int,                    VIEW_NO_FLAGS) \
  93
  94 #define FILE_SIZE_COLUMN_OPTIONS(_) \
  95         _(display,                      enum file_size,         VIEW_NO_FLAGS) \
  96         _(width,                        int,                    VIEW_NO_FLAGS) \
  97
  98 #define ID_COLUMN_OPTIONS(_) \
  99         _(display,                      bool,                   VIEW_NO_FLAGS) \
 100         _(color,                        bool,                   VIEW_NO_FLAGS) \
 101         _(width,                        int,                    VIEW_NO_FLAGS) \
 102
 103 #define LINE_NUMBER_COLUMN_OPTIONS(_) \
 104         _(display,                      bool,                   VIEW_NO_FLAGS) \
 105         _(interval,                     int,                    VIEW_NO_FLAGS) \
 106         _(width,                        int,                    VIEW_NO_FLAGS) \
 107
 108 #define MODE_COLUMN_OPTIONS(_) \
 109         _(display,                      bool,                   VIEW_NO_FLAGS) \
 110         _(width,                        int,                    VIEW_NO_FLAGS) \
 111
 112 #define REF_COLUMN_OPTIONS(_) \
 113         _(display,                      bool,                   VIEW_NO_FLAGS) \
 114         _(width,                        int,                    VIEW_NO_FLAGS) \
 115
 116 #define SECTION_COLUMN_OPTIONS(_) \
 117         _(type,                         enum line_type,         VIEW_NO_FLAGS) \
 118         _(text,                         const char *,           VIEW_NO_FLAGS) \
 119
 120 #define STATUS_COLUMN_OPTIONS(_) \
 121         _(display,                      enum status_label,      VIEW_NO_FLAGS) \
 122         _(width,                        int,                    VIEW_NO_FLAGS) \
 123
 124 #define TEXT_COLUMN_OPTIONS(_) \
 125         _(display,                      bool,                   VIEW_NO_FLAGS) \
 126         _(commit_title_overflow,        int,                    VIEW_NO_FLAGS) \
 127         _(width,                        int,                    VIEW_NO_FLAGS) \
 128
 129 #define COLUMN_OPTIONS(_) \
 130         _(author, AUTHOR, AUTHOR_COLUMN_OPTIONS) \
 131         _(commit_title, COMMIT_TITLE, COMMIT_TITLE_COLUMN_OPTIONS) \
 132         _(date, DATE, DATE_COLUMN_OPTIONS) \
 133         _(file_name, FILE_NAME, FILE_NAME_COLUMN_OPTIONS) \
 134         _(file_size, FILE_SIZE, FILE_SIZE_COLUMN_OPTIONS) \
 135         _(id, ID, ID_COLUMN_OPTIONS) \
 136         _(line_number, LINE_NUMBER, LINE_NUMBER_COLUMN_OPTIONS) \
 137         _(mode, MODE, MODE_COLUMN_OPTIONS) \
 138         _(ref, REF, REF_COLUMN_OPTIONS) \
 139         _(section, SECTION, SECTION_COLUMN_OPTIONS) \
 140         _(status, STATUS, STATUS_COLUMN_OPTIONS) \
 141         _(text, TEXT, TEXT_COLUMN_OPTIONS) \
 142
 143 #define DEFINE_COLUMN_OPTIONS_STRUCT_VALUE(name, type, flags) type name;
 144
 145 #define DEFINE_COLUMN_OPTIONS_STRUCT(name, id, options) \
 146         struct name##_options { \
 147                 options(DEFINE_COLUMN_OPTIONS_STRUCT_VALUE) \
 148         } name;
 149
 150 union view_column_options {
 151         COLUMN_OPTIONS(DEFINE_COLUMN_OPTIONS_STRUCT);
 152 };
 153
 154 /*
 155  * Global state variables.
 156  */
 157
 158 extern iconv_t opt_iconv_out;
 159 extern char opt_editor[SIZEOF_STR];
 160 extern char opt_env_lines[64];
 161 extern char opt_env_columns[64];
 162 extern char *opt_env[];
 163
 164 /*
 165  * Mapping between options and command argument mapping.
 166  */
 167
 168 void update_options_from_argv(const char *argv[]);
 169
 170 const char *ignore_space_arg();
 171 const char *commit_order_arg();
 172 const char *commit_order_arg_with_graph(enum graph_display graph_display);
 173 const char *diff_context_arg();
 174 const char *show_notes_arg();
 175
 176 /*
 177  * Option loading and parsing.
 178  */
 179
 180 struct option_info {
 181         const char *name;
 182         size_t namelen;
 183         const char *type;
 184         void *value;
 185         bool seen;
 186 };
 187
 188 struct option_info *find_option_info(struct option_info *option, size_t options, const char *name);
 189 enum status_code parse_option(struct option_info *option, const char *prefix, const char *arg);
 190 enum status_code parse_int(int *opt, const char *arg, int min, int max);
 191 enum status_code parse_step(double *opt, const char *arg);
 192 enum status_code set_option(const char *opt, int argc, const char *argv[]);
 193 int load_options(void);
 194 int load_git_config(void);
 195
 196 #endif
 197 /* vim: set ts=8 sw=8 noexpandtab: */