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
  20 /*
  21  * Option variables.
  22  */
  23
  24 #define OPTION_INFO(_) \
  25         _(blame_options,                const char **,          VIEW_BLAME_LIKE) \
  26         _(blame_view,                   const char **,          VIEW_NO_FLAGS) \
  27         _(blob_view,                    const char **,          VIEW_NO_FLAGS) \
  28         _(commit_order,                 enum commit_order,      VIEW_LOG_LIKE) \
  29         _(diff_context,                 int,                    VIEW_DIFF_LIKE) \
  30         _(diff_options,                 const char **,          VIEW_DIFF_LIKE) \
  31         _(diff_view,                    const char **,          VIEW_NO_FLAGS) \
  32         _(editor_line_number,           bool,                   VIEW_NO_FLAGS) \
  33         _(file_filter,                  bool,                   VIEW_DIFF_LIKE | VIEW_LOG_LIKE) \
  34         _(focus_child,                  bool,                   VIEW_NO_FLAGS) \
  35         _(grep_view,                    const char **,          VIEW_NO_FLAGS) \
  36         _(horizontal_scroll,            double,                 VIEW_NO_FLAGS) \
  37         _(id_width,                     int,                    VIEW_NO_FLAGS) \
  38         _(ignore_case,                  bool,                   VIEW_NO_FLAGS) \
  39         _(ignore_space,                 enum ignore_space,      VIEW_DIFF_LIKE) \
  40         _(line_graphics,                enum graphic,           VIEW_NO_FLAGS) \
  41         _(log_view,                     const char **,          VIEW_NO_FLAGS) \
  42         _(main_view,                    const char **,          VIEW_NO_FLAGS) \
  43         _(mouse,                        bool,                   VIEW_NO_FLAGS) \
  44         _(mouse_scroll,                 int,                    VIEW_NO_FLAGS) \
  45         _(pager_view,                   const char **,          VIEW_NO_FLAGS) \
  46         _(read_git_colors,              bool,                   VIEW_NO_FLAGS) \
  47         _(refs_view,                    const char **,          VIEW_NO_FLAGS) \
  48         _(show_changes,                 bool,                   VIEW_NO_FLAGS) \
  49         _(show_notes,                   bool,                   VIEW_NO_FLAGS) \
  50         _(split_view_height,            double,                 VIEW_RESET_DISPLAY) \
  51         _(stage_view,                   const char **,          VIEW_NO_FLAGS) \
  52         _(status_untracked_dirs,        bool,                   VIEW_STATUS_LIKE) \
  53         _(stash_view,                   const char **,          VIEW_NO_FLAGS) \
  54         _(tab_size,                     int,                    VIEW_NO_FLAGS) \
  55         _(tree_view,                    const char **,          VIEW_NO_FLAGS) \
  56         _(vertical_split,               enum vertical_split,    VIEW_RESET_DISPLAY | VIEW_DIFF_LIKE) \
  57         _(wrap_lines,                   bool,                   VIEW_NO_FLAGS) \
  58
  59 #define DEFINE_OPTION_EXTERNS(name, type, flags) extern type opt_##name;
  60 OPTION_INFO(DEFINE_OPTION_EXTERNS);
  61
  62 /*
  63  * View column options.
  64  */
  65
  66 #define AUTHOR_COLUMN_OPTIONS(_) \
  67         _(show,                         enum author,            VIEW_NO_FLAGS) \
  68         _(width,                        int,                    VIEW_NO_FLAGS) \
  69
  70 #define COMMIT_TITLE_COLUMN_OPTIONS(_) \
  71         _(show,                         bool,                   VIEW_NO_FLAGS) \
  72         _(graph,                        bool,                   VIEW_LOG_LIKE) \
  73         _(refs,                         bool,                   VIEW_NO_FLAGS) \
  74         _(overflow,                     int,                    VIEW_NO_FLAGS) \
  75         _(width,                        int,                    VIEW_NO_FLAGS) \
  76
  77 #define DATE_COLUMN_OPTIONS(_) \
  78         _(show,                         enum date,              VIEW_NO_FLAGS) \
  79         _(width,                        int,                    VIEW_NO_FLAGS) \
  80
  81 #define FILE_NAME_COLUMN_OPTIONS(_) \
  82         _(show,                         enum filename,          VIEW_GREP_LIKE) \
  83         _(width,                        int,                    VIEW_NO_FLAGS) \
  84
  85 #define FILE_SIZE_COLUMN_OPTIONS(_) \
  86         _(show,                         enum file_size,         VIEW_NO_FLAGS) \
  87         _(width,                        int,                    VIEW_NO_FLAGS) \
  88
  89 #define ID_COLUMN_OPTIONS(_) \
  90         _(show,                         bool,                   VIEW_NO_FLAGS) \
  91         _(color,                        bool,                   VIEW_NO_FLAGS) \
  92         _(width,                        int,                    VIEW_NO_FLAGS) \
  93
  94 #define LINE_NUMBER_COLUMN_OPTIONS(_) \
  95         _(show,                         bool,                   VIEW_NO_FLAGS) \
  96         _(interval,                     int,                    VIEW_NO_FLAGS) \
  97         _(width,                        int,                    VIEW_NO_FLAGS) \
  98
  99 #define MODE_COLUMN_OPTIONS(_) \
 100         _(show,                         bool,                   VIEW_NO_FLAGS) \
 101         _(width,                        int,                    VIEW_NO_FLAGS) \
 102
 103 #define REF_COLUMN_OPTIONS(_) \
 104         _(show,                         bool,                   VIEW_NO_FLAGS) \
 105         _(width,                        int,                    VIEW_NO_FLAGS) \
 106
 107 #define TEXT_COLUMN_OPTIONS(_) \
 108         _(show,                         bool,                   VIEW_NO_FLAGS) \
 109         _(commit_title_overflow,        int,                    VIEW_NO_FLAGS) \
 110         _(width,                        int,                    VIEW_NO_FLAGS) \
 111
 112 #define COLUMN_OPTIONS(_) \
 113         _(author, AUTHOR, AUTHOR_COLUMN_OPTIONS) \
 114         _(commit_title, COMMIT_TITLE, COMMIT_TITLE_COLUMN_OPTIONS) \
 115         _(date, DATE, DATE_COLUMN_OPTIONS) \
 116         _(file_name, FILE_NAME, FILE_NAME_COLUMN_OPTIONS) \
 117         _(file_size, FILE_SIZE, FILE_SIZE_COLUMN_OPTIONS) \
 118         _(id, ID, ID_COLUMN_OPTIONS) \
 119         _(line_number, LINE_NUMBER, LINE_NUMBER_COLUMN_OPTIONS) \
 120         _(mode, MODE, MODE_COLUMN_OPTIONS) \
 121         _(ref, REF, REF_COLUMN_OPTIONS) \
 122         _(text, TEXT, TEXT_COLUMN_OPTIONS) \
 123
 124 #define DEFINE_COLUMN_OPTIONS_STRUCT_VALUE(name, type, flags) type name;
 125
 126 #define DEFINE_COLUMN_OPTIONS_STRUCT(name, id, options) \
 127         struct name##_options { \
 128                 options(DEFINE_COLUMN_OPTIONS_STRUCT_VALUE) \
 129         } name;
 130
 131 union view_column_options {
 132         COLUMN_OPTIONS(DEFINE_COLUMN_OPTIONS_STRUCT);
 133 };
 134
 135 /*
 136  * Global state variables.
 137  */
 138
 139 extern iconv_t opt_iconv_out;
 140 extern char opt_editor[SIZEOF_STR];
 141 extern const char **opt_cmdline_argv;
 142 extern const char **opt_rev_argv;
 143 extern const char **opt_file_argv;
 144 extern char opt_env_lines[64];
 145 extern char opt_env_columns[64];
 146 extern char *opt_env[];
 147
 148 /*
 149  * Mapping between options and command argument mapping.
 150  */
 151
 152 void update_options_from_argv(const char *argv[]);
 153
 154 const char *ignore_space_arg();
 155 const char *commit_order_arg();
 156 const char *diff_context_arg();
 157 const char *show_notes_arg();
 158
 159 /*
 160  * Option loading and parsing.
 161  */
 162
 163 struct option_info {
 164         const char *name;
 165         size_t namelen;
 166         const char *type;
 167         void *value;
 168         bool seen;
 169 };
 170
 171 struct option_info *find_option_info(struct option_info *option, size_t options, const char *name);
 172 enum status_code parse_option(struct option_info *option, const char *arg);
 173 enum status_code parse_int(int *opt, const char *arg, int min, int max);
 174 enum status_code parse_step(double *opt, const char *arg);
 175 enum status_code set_option(const char *opt, int argc, const char *argv[]);
 176 int load_options(void);
 177 int load_git_config(void);
 178
 179 #endif
 180 /* vim: set ts=8 sw=8 noexpandtab: */