ariadne
/
smol
2
1
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
smol/src/definitions.h

648 lines
18 KiB
C
Raw Blame History

/**************************************************************************
* definitions.h -- This file is part of GNU nano. *
* *
* Copyright (C) 1999-2011, 2013-2021 Free Software Foundation, Inc. *
* Copyright (C) 2014-2017 Benno Schulenberg *
* *
* GNU nano 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. *
* *
* GNU nano 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 http://www.gnu.org/licenses/. *
* *
**************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef NEED_XOPEN_SOURCE_EXTENDED
#ifndef _XOPEN_SOURCE_EXTENDED
#define _XOPEN_SOURCE_EXTENDED 1
#endif
#endif
#if defined(__HAIKU__) && !defined(_DEFAULT_SOURCE)
#define _DEFAULT_SOURCE 1
#endif
#ifdef __TANDEM
/* Tandem NonStop Kernel support. */
#include <floss.h>
#define ROOT_UID 65535
#else
#define ROOT_UID 0
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
/* Set a default value for PATH_MAX if there isn't one. */
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <dirent.h>
#include <regex.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/stat.h>
/* Prefer wide ncurses over normal ncurses over curses. */
#if defined(HAVE_NCURSESW_NCURSES_H)
#include <ncursesw/ncurses.h>
#elif defined(HAVE_NCURSES_H)
#include <ncurses.h>
#else
#include <curses.h>
#endif
/* Native language support. */
#ifdef ENABLE_NLS
#ifdef HAVE_LIBINTL_H
#include <libintl.h>
#endif
#define _(string) gettext(string)
#define P_(singular, plural, number) ngettext(singular, plural, number)
#else
#define _(string) (string)
#define P_(singular, plural, number) (number == 1 ? singular : plural)
#endif
/* For marking a string on which gettext() will be called later. */
#define gettext_noop(string) (string)
#define N_(string) gettext_noop(string)
/* If we aren't using an ncurses with mouse support, then
* exclude the mouse routines, as they are useless then. */
#ifndef NCURSES_MOUSE_VERSION
#undef ENABLE_MOUSE
#endif
#if defined(ENABLE_WRAPPING) || defined(ENABLE_JUSTIFY)
#define ENABLED_WRAPORJUSTIFY 1
#endif
/* Suppress warnings for __attribute__((warn_unused_result)). */
#define IGNORE_CALL_RESULT(call) do { if (call) {} } while(0)
/* Macros for flags, indexing each bit in a small array. */
#define FLAGS(flag) flags[((flag) / (sizeof(unsigned) * 8))]
#define FLAGMASK(flag) ((unsigned)1 << ((flag) % (sizeof(unsigned) * 8)))
#define SET(flag) FLAGS(flag) |= FLAGMASK(flag)
#define UNSET(flag) FLAGS(flag) &= ~FLAGMASK(flag)
#define ISSET(flag) ((FLAGS(flag) & FLAGMASK(flag)) != 0)
#define TOGGLE(flag) FLAGS(flag) ^= FLAGMASK(flag)
#define BACKWARD FALSE
#define FORWARD TRUE
#define BLIND FALSE
#define VISIBLE TRUE
#define JUSTFIND 0
#define REPLACING 1
#define INREGION 2
#define NORMAL TRUE
#define SPECIAL FALSE
#define TEMPORARY FALSE
#define ANNOTATE TRUE
#define NONOTES FALSE
#define PRUNE_DUPLICATE TRUE
#define IGNORE_DUPLICATES FALSE
#ifdef ENABLE_UTF8
/* In UTF-8 a valid character is at most four bytes long. */
#define MAXCHARLEN 4
#else
#define MAXCHARLEN 1
#endif
/* The default width of a tab in spaces. */
#define WIDTH_OF_TAB 8
/* The default number of columns from end of line where wrapping occurs. */
#define COLUMNS_FROM_EOL 8
/* The default comment character when a syntax does not specify any. */
#define GENERAL_COMMENT_CHARACTER "#"
/* The maximum number of search/replace history strings saved. */
#define MAX_SEARCH_HISTORY 100
/* The largest size_t number that doesn't have the high bit set. */
#define HIGHEST_POSITIVE ((~(size_t)0) >> 1)
#ifdef ENABLE_COLOR
#define THE_DEFAULT -1
#define BAD_COLOR -2
/* Flags for indicating how a multiline regex pair apply to a line. */
#define NOTHING (1<<1)
/* The start/end regexes don't cover this line at all. */
#define STARTSHERE (1<<2)
/* The start regex matches on this line, the end regex on a later one. */
#define WHOLELINE (1<<3)
/* The start regex matches on an earlier line, the end regex on a later one. */
#define ENDSHERE (1<<4)
/* The start regex matches on an earlier line, the end regex on this one. */
#define JUSTONTHIS (1<<5)
/* Both the start and end regexes match within this line. */
#define WOULDBE (1<<6)
/* An unpaired start match is on or before this line. */
#endif
/* Basic control codes. */
#define ESC_CODE 0x1B
#define DEL_CODE 0x7F
/* Codes for "modified" Arrow keys, beyond KEY_MAX of ncurses. */
#define CONTROL_LEFT 0x401
#define CONTROL_RIGHT 0x402
#define CONTROL_UP 0x403
#define CONTROL_DOWN 0x404
#define CONTROL_HOME 0x405
#define CONTROL_END 0x406
#define CONTROL_DELETE 0x40D
#define SHIFT_CONTROL_LEFT 0x411
#define SHIFT_CONTROL_RIGHT 0x412
#define SHIFT_CONTROL_UP 0x413
#define SHIFT_CONTROL_DOWN 0x414
#define SHIFT_CONTROL_HOME 0x415
#define SHIFT_CONTROL_END 0x416
#define CONTROL_SHIFT_DELETE 0x41D
#define ALT_LEFT 0x421
#define ALT_RIGHT 0x422
#define ALT_UP 0x423
#define ALT_DOWN 0x424
#define ALT_PAGEUP 0x427
#define ALT_PAGEDOWN 0x428
#define ALT_INSERT 0x42C
#define ALT_DELETE 0x42D
#define SHIFT_ALT_LEFT 0x431
#define SHIFT_ALT_RIGHT 0x432
#define SHIFT_ALT_UP 0x433
#define SHIFT_ALT_DOWN 0x434
//#define SHIFT_LEFT 0x451
//#define SHIFT_RIGHT 0x452
#define SHIFT_UP 0x453
#define SHIFT_DOWN 0x454
#define SHIFT_HOME 0x455
#define SHIFT_END 0x456
#define SHIFT_PAGEUP 0x457
#define SHIFT_PAGEDOWN 0x458
#define SHIFT_DELETE 0x45D
#define SHIFT_TAB 0x45F
/* A special keycode for when <Tab> is pressed while the mark is on. */
#define INDENT_KEY 0x4F1
/* A special keycode to signal the beginning and end of a bracketed paste. */
#define BRACKETED_PASTE_MARKER 0x4FB
/* A special keycode for when a key produces an unknown escape sequence. */
#define FOREIGN_SEQUENCE 0x4FC
/* A special keycode for plugging into the input stream after a suspension. */
#define KEY_FLUSH KEY_F0
#ifndef NANO_TINY
/* A special keycode for when we get a SIGWINCH (a window resize). */
#define KEY_WINCH -2
/* Some extra flags for the undo function. */
#define WAS_BACKSPACE_AT_EOF (1<<1)
#define WAS_WHOLE_LINE (1<<2)
#define INCLUDED_LAST_LINE (1<<3)
#define MARK_WAS_SET (1<<4)
#define CURSOR_WAS_AT_HEAD (1<<5)
#define HAD_ANCHOR_AT_START (1<<6)
#endif /* !NANO_TINY */
/* Identifiers for the different menus. */
#define MMAIN (1<<0)
#define MWHEREIS (1<<1)
#define MREPLACE (1<<2)
#define MREPLACEWITH (1<<3)
#define MGOTOLINE (1<<4)
#define MWRITEFILE (1<<5)
#define MINSERTFILE (1<<6)
#define MEXECUTE (1<<7)
#define MHELP (1<<8)
#define MSPELL (1<<9)
#define MBROWSER (1<<10)
#define MWHEREISFILE (1<<11)
#define MGOTODIR (1<<12)
#define MYESNO (1<<13)
#define MLINTER (1<<14)
#define MFINDINHELP (1<<15)
/* This is an abbreviation for all menus except Help and Browser and YesNo. */
#define MMOST (MMAIN|MWHEREIS|MREPLACE|MREPLACEWITH|MGOTOLINE|MWRITEFILE|MINSERTFILE|\
MEXECUTE|MWHEREISFILE|MGOTODIR|MFINDINHELP|MSPELL|MLINTER)
#ifndef NANO_TINY
#define MSOME MMOST|MBROWSER
#else
#define MSOME MMAIN|MBROWSER
#endif
/* Enumeration types. */
typedef enum {
UNSPECIFIED, NIX_FILE, DOS_FILE, MAC_FILE
} format_type;
typedef enum {
VACUUM, HUSH, REMARK, INFO, NOTICE, AHEM, MILD, ALERT
} message_type;
typedef enum {
OVERWRITE, APPEND, PREPEND
} kind_of_writing_type;
typedef enum {
CENTERING, FLOWING, STATIONARY
} update_type;
/* The kinds of undo actions. ADD...REPLACE must come first. */
typedef enum {
ADD, ENTER, BACK, DEL, JOIN, REPLACE,
#ifdef ENABLE_WRAPPING
SPLIT_BEGIN, SPLIT_END,
#endif
INDENT, UNINDENT,
#ifdef ENABLE_COMMENT
COMMENT, UNCOMMENT, PREFLIGHT,
#endif
ZAP, CUT, CUT_TO_EOF, COPY, PASTE, INSERT,
COUPLE_BEGIN, COUPLE_END, OTHER
} undo_type;
/* The elements of the interface that can be colored differently. */
enum {
TITLE_BAR = 0,
LINE_NUMBER,
GUIDE_STRIPE,
SCROLL_BAR,
SELECTED_TEXT,
SPOTLIGHTED,
MINI_INFOBAR,
PROMPT_BAR,
STATUS_BAR,
ERROR_MESSAGE,
KEY_COMBO,
FUNCTION_TAG,
NUMBER_OF_ELEMENTS
};
/* Enumeration used in the flags array. See the definition of FLAGMASK. */
enum {
DONTUSE = 0,
CASE_SENSITIVE,
CONSTANT_SHOW,
NO_HELP,
SUSPENDABLE,
NO_WRAP,
AUTOINDENT,
VIEW_MODE,
USE_MOUSE,
USE_REGEXP,
SAVE_ON_EXIT,
CUT_FROM_CURSOR,
BACKWARDS_SEARCH,
MULTIBUFFER,
REBIND_DELETE,
RAW_SEQUENCES,
NO_CONVERT,
MAKE_BACKUP,
INSECURE_BACKUP,
NO_SYNTAX,
PRESERVE,
HISTORYLOG,
RESTRICTED,
SMART_HOME,
WHITESPACE_DISPLAY,
TABS_TO_SPACES,
QUICK_BLANK,
WORD_BOUNDS,
NO_NEWLINES,
BOLD_TEXT,
SOFTWRAP,
POSITIONLOG,
LOCKING,
NOREAD_MODE,
MAKE_IT_UNIX,
TRIM_BLANKS,
SHOW_CURSOR,
LINE_NUMBERS,
AT_BLANKS,
AFTER_ENDS,
LET_THEM_ZAP,
BREAK_LONG_LINES,
JUMPY_SCROLLING,
EMPTY_LINE,
INDICATOR,
BOOKSTYLE,
STATEFLAGS,
USE_MAGIC,
MINIBAR,
ZERO
};
/* Structure types. */
#ifdef ENABLE_COLOR
typedef struct colortype {
short id;
/* An ordinal number (if this color combo is for a multiline regex). */
short fg;
/* This combo's foreground color. */
short bg;
/* This combo's background color. */
short pairnum;
/* The pair number for this foreground/background color combination. */
int attributes;
/* Pair number and brightness composed into ready-to-use attributes. */
regex_t *start;
/* The compiled regular expression for 'start=', or the only one. */
regex_t *end;
/* The compiled regular expression for 'end=', if any. */
struct colortype *next;
/* Next color combination. */
} colortype;
typedef struct regexlisttype {
regex_t *one_rgx;
/* A regex to match things that imply a certain syntax. */
struct regexlisttype *next;
/* The next regex. */
} regexlisttype;
typedef struct augmentstruct {
char *filename;
/* The file where the syntax is extended. */
ssize_t lineno;
/* The number of the line of the extendsyntax command. */
char *data;
/* The text of the line. */
struct augmentstruct *next;
/* Next node. */
} augmentstruct;
typedef struct syntaxtype {
char *name;
/* The name of this syntax. */
char *filename;
/* File where the syntax is defined, or NULL if not an included file. */
size_t lineno;
/* The line number where the 'syntax' command was found. */
augmentstruct *augmentations;
/* List of extendsyntax commands to apply when loaded. */
regexlisttype *extensions;
/* The list of extensions that this syntax applies to. */
regexlisttype *headers;
/* The list of headerlines that this syntax applies to. */
regexlisttype *magics;
/* The list of libmagic results that this syntax applies to. */
char *linter;
/* The command with which to lint this type of file. */
char *formatter;
/* The command with which to format/modify/arrange this type of file. */
char *tab;
/* What the Tab key should produce; NULL for default behavior. */
#ifdef ENABLE_COMMENT
char *comment;
/* The line comment prefix (and postfix) for this type of file. */
#endif
colortype *color;
/* The colors and their regexes used in this syntax. */
short nmultis;
/* How many multiline regex strings this syntax has. */
struct syntaxtype *next;
/* Next syntax. */
} syntaxtype;
typedef struct lintstruct {
ssize_t lineno;
/* Line number of the error. */
ssize_t colno;
/* Column # of the error. */
char *msg;
/* Error message text. */
char *filename;
/* Filename. */
struct lintstruct *next;
/* Next error. */
struct lintstruct *prev;
/* Previous error. */
} lintstruct;
#endif /* ENABLE_COLOR */
/* More structure types. */
typedef struct linestruct {
char *data;
/* The text of this line. */
ssize_t lineno;
/* The number of this line. */
struct linestruct *next;
/* Next node. */
struct linestruct *prev;
/* Previous node. */
#ifdef ENABLE_COLOR
short *multidata;
/* Array of which multi-line regexes apply to this line. */
#endif
#ifndef NANO_TINY
bool has_anchor;
/* Whether the user has placed an anchor at this line. */
#endif
} linestruct;
#ifndef NANO_TINY
typedef struct groupstruct {
ssize_t top_line;
/* First line of group. */
ssize_t bottom_line;
/* Last line of group. */
char **indentations;
/* String data used to restore the affected lines; one per line. */
struct groupstruct *next;
/* The next group, if any. */
} groupstruct;
typedef struct undostruct {
undo_type type;
/* The operation type that this undo item is for. */
int xflags;
/* Some flag data to mark certain corner cases. */
ssize_t head_lineno;
/* The line number where the operation began or ended. */
size_t head_x;
/* The x position where the operation began or ended. */
char *strdata;
/* String data to help restore the affected line. */
size_t wassize;
/* The file size before the action. */
size_t newsize;
/* The file size after the action. */
groupstruct *grouping;
/* Undo info specific to groups of lines. */
linestruct *cutbuffer;
/* A copy of the cutbuffer. */
ssize_t tail_lineno;
/* Mostly the line number of the current line; sometimes something else. */
size_t tail_x;
/* The x position corresponding to the above line number. */
struct undostruct *next;
/* A pointer to the undo item of the preceding action. */
} undostruct;
#endif /* !NANO_TINY */
#ifdef ENABLE_HISTORIES
typedef struct poshiststruct {
char *filename;
/* The full path plus name of the file. */
ssize_t linenumber;
/* The line where the cursor was when we closed the file. */
ssize_t columnnumber;
/* The column where the cursor was. */
struct poshiststruct *next;
/* The next item of position history. */
} poshiststruct;
#endif
typedef struct openfilestruct {
char *filename;
/* The file's name. */
linestruct *filetop;
/* The file's first line. */
linestruct *filebot;
/* The file's last line. */
linestruct *edittop;
/* The current top of the edit window for this file. */
linestruct *current;
/* The current line for this file. */
size_t totsize;
/* The file's total number of characters. */
size_t firstcolumn;
/* The starting column of the top line of the edit window.
* When not in softwrap mode, it's always zero. */
size_t current_x;
/* The file's x-coordinate position. */
size_t placewewant;
/* The file's x position we would like. */
ssize_t current_y;
/* The file's y-coordinate position. */
struct stat *statinfo;
/* The file's stat information from when it was opened or last saved. */
#ifdef ENABLE_WRAPPING
linestruct *spillage_line;
/* The line for prepending stuff to during automatic hard-wrapping. */
#endif
#ifndef NANO_TINY
linestruct *mark;
/* The line in the file where the mark is set; NULL if not set. */
size_t mark_x;
/* The mark's x position in the above line. */
bool softmark;
/* Whether a marked region was made by holding Shift. */
format_type fmt;
/* The file's format -- Unix or DOS or Mac. */
char *lock_filename;
/* The path of the lockfile, if we created one. */
undostruct *undotop;
/* The top of the undo list. */
undostruct *current_undo;
/* The current (i.e. next) level of undo. */
undostruct *last_saved;
/* The undo item at which the file was last saved. */
undo_type last_action;
/* The type of the last action the user performed. */
#endif
bool modified;
/* Whether the file has been modified. */
#ifdef ENABLE_COLOR
syntaxtype *syntax;
/* The syntax that applies to this file, if any. */
#endif
#ifdef ENABLE_MULTIBUFFER
char *errormessage;
/* The ALERT message (if any) that occurred when opening the file. */
struct openfilestruct *next;
/* The next open file, if any. */
struct openfilestruct *prev;
/* The preceding open file, if any. */
#endif
} openfilestruct;
#ifdef ENABLE_NANORC
typedef struct rcoption {
const char *name;
/* The name of the rcfile option. */
long flag;
/* The flag associated with it, if any. */
} rcoption;
#endif
typedef struct keystruct {
const char *keystr;
/* The string that describes the keystroke, like "^C" or "M-R". */
int keycode;
/* The integer that, together with meta, identifies the keystroke. */
int menus;
/* The menus in which this keystroke is bound. */
void (*func)(void);
/* The function to which this keystroke is bound. */
#ifndef NANO_TINY
int toggle;
/* If a toggle, what we're toggling. */
int ordinal;
/* The how-manieth toggle this is, in order to be able to
* keep them in sequence. */
#endif
#ifdef ENABLE_NANORC
char *expansion;
/* The string of keycodes to which this shortcut is expanded. */
#endif
struct keystruct *next;
/* Next in the list. */
} keystruct;
typedef struct funcstruct {
void (*func)(void);
/* The actual function to call. */
const char *desc;
/* The function's short description, for example "Where Is". */
#ifdef ENABLE_HELP
const char *help;
/* The help-screen text for this function. */
bool blank_after;
/* Whether there should be a blank line after the help text
* for this function. */
#endif
bool viewok;
/* Is this function allowed when in view mode? */
int menus;
/* In what menus this function applies. */
struct funcstruct *next;
/* Next item in the list. */
} funcstruct;
#ifdef ENABLE_WORDCOMPLETION
typedef struct completionstruct {
char *word;
struct completionstruct *next;
} completionstruct;
#endif
Reference in New Issue View Git Blame Copy Permalink