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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=4 sts=4 sw=4 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ │
│ Bestline ── Library for interactive pseudoteletypewriter command │
│ sessions using ANSI Standard X3.64 control sequences │
│ │
│ OVERVIEW │
│ │
│ Bestline is a fork of linenoise (a popular readline alternative) │
│ that fixes its bugs and adds the missing features while reducing │
│ binary footprint (surprisingly) by removing bloated dependencies │
│ which means you can finally have a permissively-licensed command │
│ prompt w/ a 30kb footprint that's nearly as good as gnu readline │
│ │
│ EXAMPLE │
│ │
│ main() { │
│ char *line; │
│ while ((line = bestlineWithHistory("IN> ", "foo"))) { │
│ fputs("OUT> ", stdout); │
│ fputs(line, stdout); │
│ fputs("\n", stdout); │
│ free(line); │
│ } │
│ } │
│ │
│ CHANGES │
│ │
│ - Remove bell │
│ - Add kill ring │
│ - Fix flickering │
│ - Add UTF-8 editing │
│ - Add CTRL-R search │
│ - Support unlimited lines │
│ - Add parentheses awareness │
│ - React to terminal resizing │
│ - Don't generate .data section │
│ - Support terminal flow control │
│ - Make history loading 10x faster │
│ - Make multiline mode the only mode │
│ - Accommodate O_NONBLOCK file descriptors │
│ - Restore raw mode on process foregrounding │
│ - Make source code compatible with C++ compilers │
│ - Fix corruption issues by using generalized parsing │
│ - Implement nearly all GNU readline editing shortcuts │
│ - Remove heavyweight dependencies like printf/sprintf │
│ - Remove ISIG→^C→EAGAIN hack and use ephemeral handlers │
│ - Support running on Windows in MinTTY or CMD.EXE on Win10+ │
│ - Support diacratics, русский, Ελληνικά, 漢字, 仮名, 한글 │
│ │
│ SHORTCUTS │
│ │
│ CTRL-E END │
│ CTRL-A START │
│ CTRL-B BACK │
│ CTRL-F FORWARD │
│ CTRL-L CLEAR │
│ CTRL-H BACKSPACE │
│ CTRL-D DELETE │
│ CTRL-Y YANK │
│ CTRL-D EOF (IF EMPTY) │
│ CTRL-N NEXT HISTORY │
│ CTRL-P PREVIOUS HISTORY │
│ CTRL-R SEARCH HISTORY │
│ CTRL-G CANCEL SEARCH │
│ CTRL-J INSERT NEWLINE │
│ ALT-< BEGINNING OF HISTORY │
│ ALT-> END OF HISTORY │
│ ALT-F FORWARD WORD │
│ ALT-B BACKWARD WORD │
│ CTRL-ALT-F FORWARD EXPR │
│ CTRL-ALT-B BACKWARD EXPR │
│ ALT-RIGHT FORWARD EXPR │
│ ALT-LEFT BACKWARD EXPR │
│ ALT-SHIFT-B BARF EXPR │
│ ALT-SHIFT-S SLURP EXPR │
│ ALT-SHIFT-R RAISE EXPR │
│ CTRL-K KILL LINE FORWARDS │
│ CTRL-U KILL LINE BACKWARDS │
│ ALT-H KILL WORD BACKWARDS │
│ CTRL-W KILL WORD BACKWARDS │
│ CTRL-ALT-H KILL WORD BACKWARDS │
│ ALT-D KILL WORD FORWARDS │
│ ALT-Y ROTATE KILL RING AND YANK AGAIN │
│ ALT-\ SQUEEZE ADJACENT WHITESPACE │
│ CTRL-T TRANSPOSE │
│ ALT-T TRANSPOSE WORD │
│ ALT-U UPPERCASE WORD │
│ ALT-L LOWERCASE WORD │
│ ALT-C CAPITALIZE WORD │
│ CTRL-C CTRL-C INTERRUPT PROCESS │
│ CTRL-Z SUSPEND PROCESS │
│ CTRL-\ QUIT PROCESS │
│ CTRL-S PAUSE OUTPUT │
│ CTRL-Q UNPAUSE OUTPUT (IF PAUSED) │
│ CTRL-Q ESCAPED INSERT │
│ CTRL-SPACE SET MARK │
│ CTRL-X CTRL-X GOTO MARK │
│ PROTIP REMAP CAPS LOCK TO CTRL │
│ │
╞══════════════════════════════════════════════════════════════════════════════╡
│ │
│ Copyright 2018-2021 Justine Tunney <jtunney@gmail.com> │
│ Copyright 2010-2016 Salvatore Sanfilippo <antirez@gmail.com> │
│ Copyright 2010-2013 Pieter Noordhuis <pcnoordhuis@gmail.com> │
│ │
│ All rights reserved. │
│ │
│ Redistribution and use in source and binary forms, with or without │
│ modification, are permitted provided that the following conditions are │
│ met: │
│ │
│ * Redistributions of source code must retain the above copyright │
│ notice, this list of conditions and the following disclaimer. │
│ │
│ * Redistributions in binary form must reproduce the above copyright │
│ notice, this list of conditions and the following disclaimer in the │
│ documentation and/or other materials provided with the distribution. │
│ │
│ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS │
│ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT │
│ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR │
│ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT │
│ HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, │
│ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT │
│ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, │
│ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY │
│ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT │
│ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE │
│ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. │
│ │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "bestline.h"
#define _POSIX_C_SOURCE 1 /* so GCC builds in ANSI mode */
#define _XOPEN_SOURCE 700 /* so GCC builds in ANSI mode */
#define _DARWIN_C_SOURCE 1 /* so SIGWINCH / IUTF8 on XNU */
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <poll.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <termios.h>
#include <unistd.h>
#ifndef SIGWINCH
#define SIGWINCH 28 /* GNU/Systemd + XNU + FreeBSD + NetBSD + OpenBSD */
#endif
#ifndef IUTF8
#define IUTF8 0
#endif
__asm__(".ident\t\"\\n\\n\
Bestline (BSD-2)\\n\
Copyright 2018-2020 Justine Tunney <jtunney@gmail.com>\\n\
Copyright 2010-2016 Salvatore Sanfilippo <antirez@gmail.com>\\n\
Copyright 2010-2013 Pieter Noordhuis <pcnoordhuis@gmail.com>\"");
#ifndef BESTLINE_MAX_RING
#define BESTLINE_MAX_RING 8
#endif
#ifndef BESTLINE_MAX_HISTORY
#define BESTLINE_MAX_HISTORY 1024
#endif
#define BESTLINE_HISTORY_PREV +1
#define BESTLINE_HISTORY_NEXT -1
#define Ctrl(C) ((C) ^ 0100)
#define Min(X, Y) ((Y) > (X) ? (X) : (Y))
#define Max(X, Y) ((Y) < (X) ? (X) : (Y))
#define Case(X, Y) \
case X: \
Y; \
break
#define Read16le(X) ((255 & (X)[0]) << 000 | (255 & (X)[1]) << 010)
#define Read32le(X) \
((unsigned)(255 & (X)[0]) << 000 | (unsigned)(255 & (X)[1]) << 010 | \
(unsigned)(255 & (X)[2]) << 020 | (unsigned)(255 & (X)[3]) << 030)
struct abuf {
char *b;
unsigned len;
unsigned cap;
};
struct rune {
unsigned c;
unsigned n;
};
struct bestlineRing {
unsigned i;
char *p[BESTLINE_MAX_RING];
};
/* The bestlineState structure represents the state during line editing.
* We pass this state to functions implementing specific editing
* functionalities. */
struct bestlineState {
int ifd; /* terminal stdin file descriptor */
int ofd; /* terminal stdout file descriptor */
struct winsize ws; /* rows and columns in terminal */
char *buf; /* edited line buffer */
const char *prompt; /* prompt to display */
int hindex; /* history index */
int rows; /* rows being used */
int oldpos; /* previous refresh cursor position */
unsigned buflen; /* edited line buffer size */
unsigned pos; /* current buffer index */
unsigned len; /* current edited line length */
unsigned mark; /* saved cursor position */
unsigned yi, yj; /* boundaries of last yank */
char seq[2][16]; /* keystroke history for yanking code */
char final; /* set to true on last update */
char dirty; /* if an update was squashed */
struct abuf full; /* used for multiline mode */
};
static const char *const kUnsupported[] = {"dumb", "cons25", "emacs"};
static int gotint;
static int gotcont;
static int gotwinch;
static signed char rawmode;
static char maskmode;
static char emacsmode;
static char llamamode;
static char balancemode;
static char ispaused;
static char iscapital;
static unsigned historylen;
static struct bestlineRing ring;
static struct sigaction orig_cont;
static struct sigaction orig_winch;
static struct termios orig_termios;
static char *history[BESTLINE_MAX_HISTORY];
static bestlineXlatCallback *xlatCallback;
static bestlineHintsCallback *hintsCallback;
static bestlineFreeHintsCallback *freeHintsCallback;
static bestlineCompletionCallback *completionCallback;
static void bestlineAtExit(void);
static void bestlineRefreshLine(struct bestlineState *);
static void bestlineOnInt(int sig) {
gotint = sig;
}
static void bestlineOnCont(int sig) {
gotcont = sig;
}
static void bestlineOnWinch(int sig) {
gotwinch = sig;
}
static char IsControl(unsigned c) {
return c <= 0x1F || (0x7F <= c && c <= 0x9F);
}
/**
* Returns monospace character width.
*
* This will be zero for control characters, combining marks, etc.
* Chinese, Korean, Japanese, Emoji, etc. will have a width of 2, and
* all other characters will be 1.
*
* This implementation is consistent with wcwidth() on Linux, except
* that this won't return -1 for various character ranges.
*/
int bestlineCharacterWidth(int c) {
if ((0x000 <= c && c <= 0x01F) || (0x07F <= c && c <= 0x09F) ||
(0x300 <= c && c <= 0x36f) || (0x483 <= c && c <= 0x489) ||
(0x591 <= c && c <= 0x5bd) || (0x5bf <= c && c <= 0x5bf) ||
(0x5c1 <= c && c <= 0x5c2) || (0x5c4 <= c && c <= 0x5c5) ||
(0x5c7 <= c && c <= 0x5c7) || (0x610 <= c && c <= 0x61a) ||
(0x61c <= c && c <= 0x61c) || (0x64b <= c && c <= 0x65f) ||
(0x670 <= c && c <= 0x670) || (0x6d6 <= c && c <= 0x6dc) ||
(0x6df <= c && c <= 0x6e4) || (0x6e7 <= c && c <= 0x6e8) ||
(0x6ea <= c && c <= 0x6ed) || (0x711 <= c && c <= 0x711) ||
(0x730 <= c && c <= 0x74a) || (0x7a6 <= c && c <= 0x7b0) ||
(0x7eb <= c && c <= 0x7f3) || (0x7fd <= c && c <= 0x7fd) ||
(0x816 <= c && c <= 0x819) || (0x81b <= c && c <= 0x823) ||
(0x825 <= c && c <= 0x827) || (0x829 <= c && c <= 0x82d) ||
(0x859 <= c && c <= 0x85b) || (0x898 <= c && c <= 0x89f) ||
(0x8ca <= c && c <= 0x8e1) || (0x8e3 <= c && c <= 0x902) ||
(0x93a <= c && c <= 0x93a) || (0x93c <= c && c <= 0x93c) ||
(0x941 <= c && c <= 0x948) || (0x94d <= c && c <= 0x94d) ||
(0x951 <= c && c <= 0x957) || (0x962 <= c && c <= 0x963) ||
(0x981 <= c && c <= 0x981) || (0x9bc <= c && c <= 0x9bc) ||
(0x9c1 <= c && c <= 0x9c4) || (0x9cd <= c && c <= 0x9cd) ||
(0x9e2 <= c && c <= 0x9e3) || (0x9fe <= c && c <= 0x9fe) ||
(0xa01 <= c && c <= 0xa02) || (0xa3c <= c && c <= 0xa3c) ||
(0xa41 <= c && c <= 0xa42) || (0xa47 <= c && c <= 0xa48) ||
(0xa4b <= c && c <= 0xa4d) || (0xa51 <= c && c <= 0xa51) ||
(0xa70 <= c && c <= 0xa71) || (0xa75 <= c && c <= 0xa75) ||
(0xa81 <= c && c <= 0xa82) || (0xabc <= c && c <= 0xabc) ||
(0xac1 <= c && c <= 0xac5) || (0xac7 <= c && c <= 0xac8) ||
(0xacd <= c && c <= 0xacd) || (0xae2 <= c && c <= 0xae3) ||
(0xafa <= c && c <= 0xaff) || (0xb01 <= c && c <= 0xb01) ||
(0xb3c <= c && c <= 0xb3c) || (0xb3f <= c && c <= 0xb3f) ||
(0xb41 <= c && c <= 0xb44) || (0xb4d <= c && c <= 0xb4d) ||
(0xb55 <= c && c <= 0xb56) || (0xb62 <= c && c <= 0xb63) ||
(0xb82 <= c && c <= 0xb82) || (0xbc0 <= c && c <= 0xbc0) ||
(0xbcd <= c && c <= 0xbcd) || (0xc00 <= c && c <= 0xc00) ||
(0xc04 <= c && c <= 0xc04) || (0xc3c <= c && c <= 0xc3c) ||
(0xc3e <= c && c <= 0xc40) || (0xc46 <= c && c <= 0xc48) ||
(0xc4a <= c && c <= 0xc4d) || (0xc55 <= c && c <= 0xc56) ||
(0xc62 <= c && c <= 0xc63) || (0xc81 <= c && c <= 0xc81) ||
(0xcbc <= c && c <= 0xcbc) || (0xcbf <= c && c <= 0xcbf) ||
(0xcc6 <= c && c <= 0xcc6) || (0xccc <= c && c <= 0xccd) ||
(0xce2 <= c && c <= 0xce3) || (0xd00 <= c && c <= 0xd01) ||
(0xd3b <= c && c <= 0xd3c) || (0xd41 <= c && c <= 0xd44) ||
(0xd4d <= c && c <= 0xd4d) || (0xd62 <= c && c <= 0xd63) ||
(0xd81 <= c && c <= 0xd81) || (0xdca <= c && c <= 0xdca) ||
(0xdd2 <= c && c <= 0xdd4) || (0xdd6 <= c && c <= 0xdd6) ||
(0xe31 <= c && c <= 0xe31) || (0xe34 <= c && c <= 0xe3a) ||
(0xe47 <= c && c <= 0xe4e) || (0xeb1 <= c && c <= 0xeb1) ||
(0xeb4 <= c && c <= 0xebc) || (0xec8 <= c && c <= 0xece) ||
(0xf18 <= c && c <= 0xf19) || (0xf35 <= c && c <= 0xf35) ||
(0xf37 <= c && c <= 0xf37) || (0xf39 <= c && c <= 0xf39) ||
(0xf71 <= c && c <= 0xf7e) || (0xf80 <= c && c <= 0xf84) ||
(0xf86 <= c && c <= 0xf87) || (0xf8d <= c && c <= 0xf97) ||
(0xf99 <= c && c <= 0xfbc) || (0xfc6 <= c && c <= 0xfc6) ||
(0x102d <= c && c <= 0x1030) || (0x1032 <= c && c <= 0x1037) ||
(0x1039 <= c && c <= 0x103a) || (0x103d <= c && c <= 0x103e) ||
(0x1058 <= c && c <= 0x1059) || (0x105e <= c && c <= 0x1060) ||
(0x1071 <= c && c <= 0x1074) || (0x1082 <= c && c <= 0x1082) ||
(0x1085 <= c && c <= 0x1086) || (0x108d <= c && c <= 0x108d) ||
(0x109d <= c && c <= 0x109d) || (0x1160 <= c && c <= 0x11ff) ||
(0x135d <= c && c <= 0x135f) || (0x1712 <= c && c <= 0x1714) ||
(0x1732 <= c && c <= 0x1733) || (0x1752 <= c && c <= 0x1753) ||
(0x1772 <= c && c <= 0x1773) || (0x17b4 <= c && c <= 0x17b5) ||
(0x17b7 <= c && c <= 0x17bd) || (0x17c6 <= c && c <= 0x17c6) ||
(0x17c9 <= c && c <= 0x17d3) || (0x17dd <= c && c <= 0x17dd) ||
(0x180b <= c && c <= 0x180f) || (0x1885 <= c && c <= 0x1886) ||
(0x18a9 <= c && c <= 0x18a9) || (0x1920 <= c && c <= 0x1922) ||
(0x1927 <= c && c <= 0x1928) || (0x1932 <= c && c <= 0x1932) ||
(0x1939 <= c && c <= 0x193b) || (0x1a17 <= c && c <= 0x1a18) ||
(0x1a1b <= c && c <= 0x1a1b) || (0x1a56 <= c && c <= 0x1a56) ||
(0x1a58 <= c && c <= 0x1a5e) || (0x1a60 <= c && c <= 0x1a60) ||
(0x1a62 <= c && c <= 0x1a62) || (0x1a65 <= c && c <= 0x1a6c) ||
(0x1a73 <= c && c <= 0x1a7c) || (0x1a7f <= c && c <= 0x1a7f) ||
(0x1ab0 <= c && c <= 0x1ace) || (0x1b00 <= c && c <= 0x1b03) ||
(0x1b34 <= c && c <= 0x1b34) || (0x1b36 <= c && c <= 0x1b3a) ||
(0x1b3c <= c && c <= 0x1b3c) || (0x1b42 <= c && c <= 0x1b42) ||
(0x1b6b <= c && c <= 0x1b73) || (0x1b80 <= c && c <= 0x1b81) ||
(0x1ba2 <= c && c <= 0x1ba5) || (0x1ba8 <= c && c <= 0x1ba9) ||
(0x1bab <= c && c <= 0x1bad) || (0x1be6 <= c && c <= 0x1be6) ||
(0x1be8 <= c && c <= 0x1be9) || (0x1bed <= c && c <= 0x1bed) ||
(0x1bef <= c && c <= 0x1bf1) || (0x1c2c <= c && c <= 0x1c33) ||
(0x1c36 <= c && c <= 0x1c37) || (0x1cd0 <= c && c <= 0x1cd2) ||
(0x1cd4 <= c && c <= 0x1ce0) || (0x1ce2 <= c && c <= 0x1ce8) ||
(0x1ced <= c && c <= 0x1ced) || (0x1cf4 <= c && c <= 0x1cf4) ||
(0x1cf8 <= c && c <= 0x1cf9) || (0x1dc0 <= c && c <= 0x1dff) ||
(0x200b <= c && c <= 0x200f) || (0x202a <= c && c <= 0x202e) ||
(0x2060 <= c && c <= 0x2064) || (0x2066 <= c && c <= 0x206f) ||
(0x20d0 <= c && c <= 0x20f0) || (0x2cef <= c && c <= 0x2cf1) ||
(0x2d7f <= c && c <= 0x2d7f) || (0x2de0 <= c && c <= 0x2dff) ||
(0x302a <= c && c <= 0x302d) || (0x3099 <= c && c <= 0x309a) ||
(0xa66f <= c && c <= 0xa672) || (0xa674 <= c && c <= 0xa67d) ||
(0xa69e <= c && c <= 0xa69f) || (0xa6f0 <= c && c <= 0xa6f1) ||
(0xa802 <= c && c <= 0xa802) || (0xa806 <= c && c <= 0xa806) ||
(0xa80b <= c && c <= 0xa80b) || (0xa825 <= c && c <= 0xa826) ||
(0xa82c <= c && c <= 0xa82c) || (0xa8c4 <= c && c <= 0xa8c5) ||
(0xa8e0 <= c && c <= 0xa8f1) || (0xa8ff <= c && c <= 0xa8ff) ||
(0xa926 <= c && c <= 0xa92d) || (0xa947 <= c && c <= 0xa951) ||
(0xa980 <= c && c <= 0xa982) || (0xa9b3 <= c && c <= 0xa9b3) ||
(0xa9b6 <= c && c <= 0xa9b9) || (0xa9bc <= c && c <= 0xa9bd) ||
(0xa9e5 <= c && c <= 0xa9e5) || (0xaa29 <= c && c <= 0xaa2e) ||
(0xaa31 <= c && c <= 0xaa32) || (0xaa35 <= c && c <= 0xaa36) ||
(0xaa43 <= c && c <= 0xaa43) || (0xaa4c <= c && c <= 0xaa4c) ||
(0xaa7c <= c && c <= 0xaa7c) || (0xaab0 <= c && c <= 0xaab0) ||
(0xaab2 <= c && c <= 0xaab4) || (0xaab7 <= c && c <= 0xaab8) ||
(0xaabe <= c && c <= 0xaabf) || (0xaac1 <= c && c <= 0xaac1) ||
(0xaaec <= c && c <= 0xaaed) || (0xaaf6 <= c && c <= 0xaaf6) ||
(0xabe5 <= c && c <= 0xabe5) || (0xabe8 <= c && c <= 0xabe8) ||
(0xabed <= c && c <= 0xabed) || (0xd7b0 <= c && c <= 0xd7c6) ||
(0xd7cb <= c && c <= 0xd7fb) || (0xfb1e <= c && c <= 0xfb1e) ||
(0xfe00 <= c && c <= 0xfe0f) || (0xfe20 <= c && c <= 0xfe2f) ||
(0xfeff <= c && c <= 0xfeff) || (0xfff9 <= c && c <= 0xfffb) ||
(0x101fd <= c && c <= 0x101fd) || (0x102e0 <= c && c <= 0x102e0) ||
(0x10376 <= c && c <= 0x1037a) || (0x10a01 <= c && c <= 0x10a03) ||
(0x10a05 <= c && c <= 0x10a06) || (0x10a0c <= c && c <= 0x10a0f) ||
(0x10a38 <= c && c <= 0x10a3a) || (0x10a3f <= c && c <= 0x10a3f) ||
(0x10ae5 <= c && c <= 0x10ae6) || (0x10d24 <= c && c <= 0x10d27) ||
(0x10eab <= c && c <= 0x10eac) || (0x10efd <= c && c <= 0x10eff) ||
(0x10f46 <= c && c <= 0x10f50) || (0x10f82 <= c && c <= 0x10f85) ||
(0x11001 <= c && c <= 0x11001) || (0x11038 <= c && c <= 0x11046) ||
(0x11070 <= c && c <= 0x11070) || (0x11073 <= c && c <= 0x11074) ||
(0x1107f <= c && c <= 0x11081) || (0x110b3 <= c && c <= 0x110b6) ||
(0x110b9 <= c && c <= 0x110ba) || (0x110c2 <= c && c <= 0x110c2) ||
(0x11100 <= c && c <= 0x11102) || (0x11127 <= c && c <= 0x1112b) ||
(0x1112d <= c && c <= 0x11134) || (0x11173 <= c && c <= 0x11173) ||
(0x11180 <= c && c <= 0x11181) || (0x111b6 <= c && c <= 0x111be) ||
(0x111c9 <= c && c <= 0x111cc) || (0x111cf <= c && c <= 0x111cf) ||
(0x1122f <= c && c <= 0x11231) || (0x11234 <= c && c <= 0x11234) ||
(0x11236 <= c && c <= 0x11237) || (0x1123e <= c && c <= 0x1123e) ||
(0x11241 <= c && c <= 0x11241) || (0x112df <= c && c <= 0x112df) ||
(0x112e3 <= c && c <= 0x112ea) || (0x11300 <= c && c <= 0x11301) ||
(0x1133b <= c && c <= 0x1133c) || (0x11340 <= c && c <= 0x11340) ||
(0x11366 <= c && c <= 0x1136c) || (0x11370 <= c && c <= 0x11374) ||
(0x11438 <= c && c <= 0x1143f) || (0x11442 <= c && c <= 0x11444) ||
(0x11446 <= c && c <= 0x11446) || (0x1145e <= c && c <= 0x1145e) ||
(0x114b3 <= c && c <= 0x114b8) || (0x114ba <= c && c <= 0x114ba) ||
(0x114bf <= c && c <= 0x114c0) || (0x114c2 <= c && c <= 0x114c3) ||
(0x115b2 <= c && c <= 0x115b5) || (0x115bc <= c && c <= 0x115bd) ||
(0x115bf <= c && c <= 0x115c0) || (0x115dc <= c && c <= 0x115dd) ||
(0x11633 <= c && c <= 0x1163a) || (0x1163d <= c && c <= 0x1163d) ||
(0x1163f <= c && c <= 0x11640) || (0x116ab <= c && c <= 0x116ab) ||
(0x116ad <= c && c <= 0x116ad) || (0x116b0 <= c && c <= 0x116b5) ||
(0x116b7 <= c && c <= 0x116b7) || (0x1171d <= c && c <= 0x1171f) ||
(0x11722 <= c && c <= 0x11725) || (0x11727 <= c && c <= 0x1172b) ||
(0x1182f <= c && c <= 0x11837) || (0x11839 <= c && c <= 0x1183a) ||
(0x1193b <= c && c <= 0x1193c) || (0x1193e <= c && c <= 0x1193e) ||
(0x11943 <= c && c <= 0x11943) || (0x119d4 <= c && c <= 0x119d7) ||
(0x119da <= c && c <= 0x119db) || (0x119e0 <= c && c <= 0x119e0) ||
(0x11a01 <= c && c <= 0x11a0a) || (0x11a33 <= c && c <= 0x11a38) ||
(0x11a3b <= c && c <= 0x11a3e) || (0x11a47 <= c && c <= 0x11a47) ||
(0x11a51 <= c && c <= 0x11a56) || (0x11a59 <= c && c <= 0x11a5b) ||
(0x11a8a <= c && c <= 0x11a96) || (0x11a98 <= c && c <= 0x11a99) ||
(0x11c30 <= c && c <= 0x11c36) || (0x11c38 <= c && c <= 0x11c3d) ||
(0x11c3f <= c && c <= 0x11c3f) || (0x11c92 <= c && c <= 0x11ca7) ||
(0x11caa <= c && c <= 0x11cb0) || (0x11cb2 <= c && c <= 0x11cb3) ||
(0x11cb5 <= c && c <= 0x11cb6) || (0x11d31 <= c && c <= 0x11d36) ||
(0x11d3a <= c && c <= 0x11d3a) || (0x11d3c <= c && c <= 0x11d3d) ||
(0x11d3f <= c && c <= 0x11d45) || (0x11d47 <= c && c <= 0x11d47) ||
(0x11d90 <= c && c <= 0x11d91) || (0x11d95 <= c && c <= 0x11d95) ||
(0x11d97 <= c && c <= 0x11d97) || (0x11ef3 <= c && c <= 0x11ef4) ||
(0x11f00 <= c && c <= 0x11f01) || (0x11f36 <= c && c <= 0x11f3a) ||
(0x11f40 <= c && c <= 0x11f40) || (0x11f42 <= c && c <= 0x11f42) ||
(0x13430 <= c && c <= 0x13440) || (0x13447 <= c && c <= 0x13455) ||
(0x16af0 <= c && c <= 0x16af4) || (0x16b30 <= c && c <= 0x16b36) ||
(0x16f4f <= c && c <= 0x16f4f) || (0x16f8f <= c && c <= 0x16f92) ||
(0x16fe4 <= c && c <= 0x16fe4) || (0x1bc9d <= c && c <= 0x1bc9e) ||
(0x1bca0 <= c && c <= 0x1bca3) || (0x1cf00 <= c && c <= 0x1cf2d) ||
(0x1cf30 <= c && c <= 0x1cf46) || (0x1d167 <= c && c <= 0x1d169) ||
(0x1d173 <= c && c <= 0x1d182) || (0x1d185 <= c && c <= 0x1d18b) ||
(0x1d1aa <= c && c <= 0x1d1ad) || (0x1d242 <= c && c <= 0x1d244) ||
(0x1da00 <= c && c <= 0x1da36) || (0x1da3b <= c && c <= 0x1da6c) ||
(0x1da75 <= c && c <= 0x1da75) || (0x1da84 <= c && c <= 0x1da84) ||
(0x1da9b <= c && c <= 0x1da9f) || (0x1daa1 <= c && c <= 0x1daaf) ||
(0x1e000 <= c && c <= 0x1e006) || (0x1e008 <= c && c <= 0x1e018) ||
(0x1e01b <= c && c <= 0x1e021) || (0x1e023 <= c && c <= 0x1e024) ||
(0x1e026 <= c && c <= 0x1e02a) || (0x1e08f <= c && c <= 0x1e08f) ||
(0x1e130 <= c && c <= 0x1e136) || (0x1e2ae <= c && c <= 0x1e2ae) ||
(0x1e2ec <= c && c <= 0x1e2ef) || (0x1e4ec <= c && c <= 0x1e4ef) ||
(0x1e8d0 <= c && c <= 0x1e8d6) || (0x1e944 <= c && c <= 0x1e94a) ||
(0xe0001 <= c && c <= 0xe0001) || (0xe0020 <= c && c <= 0xe007f) ||
(0xe0100 <= c && c <= 0xe01ef))
return 0;
if ((0x1100 <= c && c <= 0x115f) || (0x231a <= c && c <= 0x231b) ||
(0x2329 <= c && c <= 0x232a) || (0x23e9 <= c && c <= 0x23ec) ||
(0x23f0 <= c && c <= 0x23f0) || (0x23f3 <= c && c <= 0x23f3) ||
(0x25fd <= c && c <= 0x25fe) || (0x2614 <= c && c <= 0x2615) ||
(0x2648 <= c && c <= 0x2653) || (0x267f <= c && c <= 0x267f) ||
(0x2693 <= c && c <= 0x2693) || (0x26a1 <= c && c <= 0x26a1) ||
(0x26aa <= c && c <= 0x26ab) || (0x26bd <= c && c <= 0x26be) ||
(0x26c4 <= c && c <= 0x26c5) || (0x26ce <= c && c <= 0x26ce) ||
(0x26d4 <= c && c <= 0x26d4) || (0x26ea <= c && c <= 0x26ea) ||
(0x26f2 <= c && c <= 0x26f3) || (0x26f5 <= c && c <= 0x26f5) ||
(0x26fa <= c && c <= 0x26fa) || (0x26fd <= c && c <= 0x26fd) ||
(0x2705 <= c && c <= 0x2705) || (0x270a <= c && c <= 0x270b) ||
(0x2728 <= c && c <= 0x2728) || (0x274c <= c && c <= 0x274c) ||
(0x274e <= c && c <= 0x274e) || (0x2753 <= c && c <= 0x2755) ||
(0x2757 <= c && c <= 0x2757) || (0x2795 <= c && c <= 0x2797) ||
(0x27b0 <= c && c <= 0x27b0) || (0x27bf <= c && c <= 0x27bf) ||
(0x2b1b <= c && c <= 0x2b1c) || (0x2b50 <= c && c <= 0x2b50) ||
(0x2b55 <= c && c <= 0x2b55) || (0x2e80 <= c && c <= 0x2e99) ||
(0x2e9b <= c && c <= 0x2ef3) || (0x2f00 <= c && c <= 0x2fd5) ||
(0x2ff0 <= c && c <= 0x3029) || (0x302e <= c && c <= 0x303e) ||
(0x3041 <= c && c <= 0x3096) || (0x309b <= c && c <= 0x30ff) ||
(0x3105 <= c && c <= 0x312f) || (0x3131 <= c && c <= 0x318e) ||
(0x3190 <= c && c <= 0x31e3) || (0x31ef <= c && c <= 0x321e) ||
(0x3220 <= c && c <= 0xa48c) || (0xa490 <= c && c <= 0xa4c6) ||
(0xa960 <= c && c <= 0xa97c) || (0xac00 <= c && c <= 0xd7a3) ||
(0xf900 <= c && c <= 0xfa6d) || (0xfa70 <= c && c <= 0xfad9) ||
(0xfe10 <= c && c <= 0xfe19) || (0xfe30 <= c && c <= 0xfe52) ||
(0xfe54 <= c && c <= 0xfe66) || (0xfe68 <= c && c <= 0xfe6b) ||
(0xff01 <= c && c <= 0xff60) || (0xffe0 <= c && c <= 0xffe6) ||
(0x16fe0 <= c && c <= 0x16fe3) || (0x16ff0 <= c && c <= 0x16ff1) ||
(0x17000 <= c && c <= 0x187f7) || (0x18800 <= c && c <= 0x18cd5) ||
(0x18d00 <= c && c <= 0x18d08) || (0x1aff0 <= c && c <= 0x1aff3) ||
(0x1aff5 <= c && c <= 0x1affb) || (0x1affd <= c && c <= 0x1affe) ||
(0x1b000 <= c && c <= 0x1b122) || (0x1b132 <= c && c <= 0x1b132) ||
(0x1b150 <= c && c <= 0x1b152) || (0x1b155 <= c && c <= 0x1b155) ||
(0x1b164 <= c && c <= 0x1b167) || (0x1b170 <= c && c <= 0x1b2fb) ||
(0x1f004 <= c && c <= 0x1f004) || (0x1f0cf <= c && c <= 0x1f0cf) ||
(0x1f18e <= c && c <= 0x1f18e) || (0x1f191 <= c && c <= 0x1f19a) ||
(0x1f200 <= c && c <= 0x1f202) || (0x1f210 <= c && c <= 0x1f23b) ||
(0x1f240 <= c && c <= 0x1f248) || (0x1f250 <= c && c <= 0x1f251) ||
(0x1f260 <= c && c <= 0x1f265) || (0x1f300 <= c && c <= 0x1f320) ||
(0x1f32d <= c && c <= 0x1f335) || (0x1f337 <= c && c <= 0x1f37c) ||
(0x1f37e <= c && c <= 0x1f393) || (0x1f3a0 <= c && c <= 0x1f3ca) ||
(0x1f3cf <= c && c <= 0x1f3d3) || (0x1f3e0 <= c && c <= 0x1f3f0) ||
(0x1f3f4 <= c && c <= 0x1f3f4) || (0x1f3f8 <= c && c <= 0x1f43e) ||
(0x1f440 <= c && c <= 0x1f440) || (0x1f442 <= c && c <= 0x1f4fc) ||
(0x1f4ff <= c && c <= 0x1f53d) || (0x1f54b <= c && c <= 0x1f54e) ||
(0x1f550 <= c && c <= 0x1f567) || (0x1f57a <= c && c <= 0x1f57a) ||
(0x1f595 <= c && c <= 0x1f596) || (0x1f5a4 <= c && c <= 0x1f5a4) ||
(0x1f5fb <= c && c <= 0x1f64f) || (0x1f680 <= c && c <= 0x1f6c5) ||
(0x1f6cc <= c && c <= 0x1f6cc) || (0x1f6d0 <= c && c <= 0x1f6d2) ||
(0x1f6d5 <= c && c <= 0x1f6d7) || (0x1f6dc <= c && c <= 0x1f6df) ||
(0x1f6eb <= c && c <= 0x1f6ec) || (0x1f6f4 <= c && c <= 0x1f6fc) ||
(0x1f7e0 <= c && c <= 0x1f7eb) || (0x1f7f0 <= c && c <= 0x1f7f0) ||
(0x1f90c <= c && c <= 0x1f93a) || (0x1f93c <= c && c <= 0x1f945) ||
(0x1f947 <= c && c <= 0x1f9ff) || (0x1fa70 <= c && c <= 0x1fa7c) ||
(0x1fa80 <= c && c <= 0x1fa88) || (0x1fa90 <= c && c <= 0x1fabd) ||
(0x1fabf <= c && c <= 0x1fac5) || (0x1face <= c && c <= 0x1fadb) ||
(0x1fae0 <= c && c <= 0x1fae8) || (0x1faf0 <= c && c <= 0x1faf8) ||
(0x20000 <= c && c <= 0x2a6df) || (0x2a700 <= c && c <= 0x2b739) ||
(0x2b740 <= c && c <= 0x2b81d) || (0x2b820 <= c && c <= 0x2cea1) ||
(0x2ceb0 <= c && c <= 0x2ebe0) || (0x2ebf0 <= c && c <= 0x2ee5d) ||
(0x2f800 <= c && c <= 0x2fa1d) || (0x30000 <= c && c <= 0x3134a) ||
(0x31350 <= c && c <= 0x323af))
return 2;
return 1;
}
/**
* Returns nonzero if 𝑐 isn't alphanumeric.
*
* Line reading interfaces generally define this operation as UNICODE
* characters that aren't in the letter category (Lu, Ll, Lt, Lm, Lo)
* and aren't in the number categorie (Nd, Nl, No). We also add a few
* other things like blocks and emoji (So).
*/
char bestlineIsSeparator(unsigned c) {
int m, l, r, n;
if (c < 0200) {
return !(('0' <= c && c <= '9') || ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
}
if (c <= 0xffff) {
static const unsigned short kGlyphs[][2] = {
{0x00aa, 0x00aa}, /* 1x English */
{0x00b2, 0x00b3}, /* 2x English Arabic */
{0x00b5, 0x00b5}, /* 1x Greek */
{0x00b9, 0x00ba}, /* 2x English Arabic */
{0x00bc, 0x00be}, /* 3x Vulgar English Arabic */
{0x00c0, 0x00d6}, /* 23x Watin */
{0x00d8, 0x00f6}, /* 31x Watin */
{0x0100, 0x02c1}, /* 450x Watin-AB,IPA,Spacemod */
{0x02c6, 0x02d1}, /* 12x Spacemod */
{0x02e0, 0x02e4}, /* 5x Spacemod */
{0x02ec, 0x02ec}, /* 1x Spacemod */
{0x02ee, 0x02ee}, /* 1x Spacemod */
{0x0370, 0x0374}, /* 5x Greek */
{0x0376, 0x0377}, /* 2x Greek */
{0x037a, 0x037d}, /* 4x Greek */
{0x037f, 0x037f}, /* 1x Greek */
{0x0386, 0x0386}, /* 1x Greek */
{0x0388, 0x038a}, /* 3x Greek */
{0x038c, 0x038c}, /* 1x Greek */
{0x038e, 0x03a1}, /* 20x Greek */
{0x03a3, 0x03f5}, /* 83x Greek */
{0x03f7, 0x0481}, /* 139x Greek */
{0x048a, 0x052f}, /* 166x Cyrillic */
{0x0531, 0x0556}, /* 38x Armenian */
{0x0560, 0x0588}, /* 41x Armenian */
{0x05d0, 0x05ea}, /* 27x Hebrew */
{0x0620, 0x064a}, /* 43x Arabic */
{0x0660, 0x0669}, /* 10x Arabic */
{0x0671, 0x06d3}, /* 99x Arabic */
{0x06ee, 0x06fc}, /* 15x Arabic */
{0x0712, 0x072f}, /* 30x Syriac */
{0x074d, 0x07a5}, /* 89x Syriac,Arabic2,Thaana */
{0x07c0, 0x07ea}, /* 43x NKo */
{0x0800, 0x0815}, /* 22x Samaritan */
{0x0840, 0x0858}, /* 25x Mandaic */
{0x0904, 0x0939}, /* 54x Devanagari */
{0x0993, 0x09a8}, /* 22x Bengali */
{0x09e6, 0x09f1}, /* 12x Bengali */
{0x0a13, 0x0a28}, /* 22x Gurmukhi */
{0x0a66, 0x0a6f}, /* 10x Gurmukhi */
{0x0a93, 0x0aa8}, /* 22x Gujarati */
{0x0b13, 0x0b28}, /* 22x Oriya */
{0x0c92, 0x0ca8}, /* 23x Kannada */
{0x0caa, 0x0cb3}, /* 10x Kannada */
{0x0ce6, 0x0cef}, /* 10x Kannada */
{0x0d12, 0x0d3a}, /* 41x Malayalam */
{0x0d85, 0x0d96}, /* 18x Sinhala */
{0x0d9a, 0x0db1}, /* 24x Sinhala */
{0x0de6, 0x0def}, /* 10x Sinhala */
{0x0e01, 0x0e30}, /* 48x Thai */
{0x0e8c, 0x0ea3}, /* 24x Lao */
{0x0f20, 0x0f33}, /* 20x Tibetan */
{0x0f49, 0x0f6c}, /* 36x Tibetan */
{0x109e, 0x10c5}, /* 40x Myanmar,Georgian */
{0x10d0, 0x10fa}, /* 43x Georgian */
{0x10fc, 0x1248}, /* 333x Georgian,Hangul,Ethiopic */
{0x13a0, 0x13f5}, /* 86x Cherokee */
{0x1401, 0x166d}, /* 621x Aboriginal */
{0x16a0, 0x16ea}, /* 75x Runic */
{0x1700, 0x170c}, /* 13x Tagalog */
{0x1780, 0x17b3}, /* 52x Khmer */
{0x1820, 0x1878}, /* 89x Mongolian */
{0x1a00, 0x1a16}, /* 23x Buginese */
{0x1a20, 0x1a54}, /* 53x Tai Tham */
{0x1a80, 0x1a89}, /* 10x Tai Tham */
{0x1a90, 0x1a99}, /* 10x Tai Tham */
{0x1b05, 0x1b33}, /* 47x Balinese */
{0x1b50, 0x1b59}, /* 10x Balinese */
{0x1b83, 0x1ba0}, /* 30x Sundanese */
{0x1bae, 0x1be5}, /* 56x Sundanese */
{0x1c90, 0x1cba}, /* 43x Georgian2 */
{0x1cbd, 0x1cbf}, /* 3x Georgian2 */
{0x1e00, 0x1f15}, /* 278x Watin-C,Greek2 */
{0x2070, 0x2071}, /* 2x Supersub */
{0x2074, 0x2079}, /* 6x Supersub */
{0x207f, 0x2089}, /* 11x Supersub */
{0x2090, 0x209c}, /* 13x Supersub */
{0x2100, 0x2117}, /* 24x Letterlike */
{0x2119, 0x213f}, /* 39x Letterlike */
{0x2145, 0x214a}, /* 6x Letterlike */
{0x214c, 0x218b}, /* 64x Letterlike,Numbery */
{0x21af, 0x21cd}, /* 31x Arrows */
{0x21d5, 0x21f3}, /* 31x Arrows */
{0x230c, 0x231f}, /* 20x Technical */
{0x232b, 0x237b}, /* 81x Technical */
{0x237d, 0x239a}, /* 30x Technical */
{0x23b4, 0x23db}, /* 40x Technical */
{0x23e2, 0x2426}, /* 69x Technical,ControlPictures */
{0x2460, 0x25b6}, /* 343x Enclosed,Boxes,Blocks,Shapes */
{0x25c2, 0x25f7}, /* 54x Shapes */
{0x2600, 0x266e}, /* 111x Symbols */
{0x2670, 0x2767}, /* 248x Symbols,Dingbats */
{0x2776, 0x27bf}, /* 74x Dingbats */
{0x2800, 0x28ff}, /* 256x Braille */
{0x2c00, 0x2c2e}, /* 47x Glagolitic */
{0x2c30, 0x2c5e}, /* 47x Glagolitic */
{0x2c60, 0x2ce4}, /* 133x Watin-D */
{0x2d00, 0x2d25}, /* 38x Georgian2 */
{0x2d30, 0x2d67}, /* 56x Tifinagh */
{0x2d80, 0x2d96}, /* 23x Ethiopic2 */
{0x2e2f, 0x2e2f}, /* 1x Punctuation2 */
{0x3005, 0x3007}, /* 3x CJK Symbols & Punctuation */
{0x3021, 0x3029}, /* 9x CJK Symbols & Punctuation */
{0x3031, 0x3035}, /* 5x CJK Symbols & Punctuation */
{0x3038, 0x303c}, /* 5x CJK Symbols & Punctuation */
{0x3041, 0x3096}, /* 86x Hiragana */
{0x30a1, 0x30fa}, /* 90x Katakana */
{0x3105, 0x312f}, /* 43x Bopomofo */
{0x3131, 0x318e}, /* 94x Hangul Compatibility Jamo */
{0x31a0, 0x31ba}, /* 27x Bopomofo Extended */
{0x31f0, 0x31ff}, /* 16x Katakana Phonetic Extensions */
{0x3220, 0x3229}, /* 10x Enclosed CJK Letters & Months */
{0x3248, 0x324f}, /* 8x Enclosed CJK Letters & Months */
{0x3251, 0x325f}, /* 15x Enclosed CJK Letters & Months */
{0x3280, 0x3289}, /* 10x Enclosed CJK Letters & Months */
{0x32b1, 0x32bf}, /* 15x Enclosed CJK Letters & Months */
{0x3400, 0x4db5}, /* 6582x CJK Unified Ideographs Extension A */
{0x4dc0, 0x9fef}, /* 21040x Yijing Hexagram, CJK Unified Ideographs */
{0xa000, 0xa48c}, /* 1165x Yi Syllables */
{0xa4d0, 0xa4fd}, /* 46x Lisu */
{0xa500, 0xa60c}, /* 269x Vai */
{0xa610, 0xa62b}, /* 28x Vai */
{0xa6a0, 0xa6ef}, /* 80x Bamum */
{0xa80c, 0xa822}, /* 23x Syloti Nagri */
{0xa840, 0xa873}, /* 52x Phags-pa */
{0xa882, 0xa8b3}, /* 50x Saurashtra */
{0xa8d0, 0xa8d9}, /* 10x Saurashtra */
{0xa900, 0xa925}, /* 38x Kayah Li */
{0xa930, 0xa946}, /* 23x Rejang */
{0xa960, 0xa97c}, /* 29x Hangul Jamo Extended-A */
{0xa984, 0xa9b2}, /* 47x Javanese */
{0xa9cf, 0xa9d9}, /* 11x Javanese */
{0xaa00, 0xaa28}, /* 41x Cham */
{0xaa50, 0xaa59}, /* 10x Cham */
{0xabf0, 0xabf9}, /* 10x Meetei Mayek */
{0xac00, 0xd7a3}, /* 11172x Hangul Syllables */
{0xf900, 0xfa6d}, /* 366x CJK Compatibility Ideographs */
{0xfa70, 0xfad9}, /* 106x CJK Compatibility Ideographs */
{0xfb1f, 0xfb28}, /* 10x Alphabetic Presentation Forms */
{0xfb2a, 0xfb36}, /* 13x Alphabetic Presentation Forms */
{0xfb46, 0xfbb1}, /* 108x Alphabetic Presentation Forms */
{0xfbd3, 0xfd3d}, /* 363x Arabic Presentation Forms-A */
{0xfe76, 0xfefc}, /* 135x Arabic Presentation Forms-B */
{0xff10, 0xff19}, /* 10x Dubs */
{0xff21, 0xff3a}, /* 26x Dubs */
{0xff41, 0xff5a}, /* 26x Dubs */
{0xff66, 0xffbe}, /* 89x Dubs */
{0xffc2, 0xffc7}, /* 6x Dubs */
{0xffca, 0xffcf}, /* 6x Dubs */
{0xffd2, 0xffd7}, /* 6x Dubs */
{0xffda, 0xffdc}, /* 3x Dubs */
};
l = 0;
r = n = sizeof(kGlyphs) / sizeof(kGlyphs[0]);
while (l < r) {
unsigned m = (l & r) + ((l ^ r) >> 1);
if (c < kGlyphs[m][0]) {
r = m;
} else if (c > kGlyphs[m][1]) {
l = m + 1;
} else {
return 0;
}
}
return 1;
} else {
static const unsigned kAstralGlyphs[][2] = {
{0x10107, 0x10133}, /* 45x Aegean */
{0x10140, 0x10178}, /* 57x Ancient Greek Numbers */
{0x1018a, 0x1018b}, /* 2x Ancient Greek Numbers */
{0x10280, 0x1029c}, /* 29x Lycian */
{0x102a0, 0x102d0}, /* 49x Carian */
{0x102e1, 0x102fb}, /* 27x Coptic Epact Numbers */
{0x10300, 0x10323}, /* 36x Old Italic */
{0x1032d, 0x1034a}, /* 30x Old Italic, Gothic */
{0x10350, 0x10375}, /* 38x Old Permic */
{0x10380, 0x1039d}, /* 30x Ugaritic */
{0x103a0, 0x103c3}, /* 36x Old Persian */
{0x103c8, 0x103cf}, /* 8x Old Persian */
{0x103d1, 0x103d5}, /* 5x Old Persian */
{0x10400, 0x1049d}, /* 158x Deseret, Shavian, Osmanya */
{0x104b0, 0x104d3}, /* 36x Osage */
{0x104d8, 0x104fb}, /* 36x Osage */
{0x10500, 0x10527}, /* 40x Elbasan */
{0x10530, 0x10563}, /* 52x Caucasian Albanian */
{0x10600, 0x10736}, /* 311x Linear A */
{0x10800, 0x10805}, /* 6x Cypriot Syllabary */
{0x1080a, 0x10835}, /* 44x Cypriot Syllabary */
{0x10837, 0x10838}, /* 2x Cypriot Syllabary */
{0x1083f, 0x1089e}, /* 86x Cypriot,ImperialAramaic,Palmyrene,Nabataean */
{0x108e0, 0x108f2}, /* 19x Hatran */
{0x108f4, 0x108f5}, /* 2x Hatran */
{0x108fb, 0x1091b}, /* 33x Hatran */
{0x10920, 0x10939}, /* 26x Lydian */
{0x10980, 0x109b7}, /* 56x Meroitic Hieroglyphs */
{0x109bc, 0x109cf}, /* 20x Meroitic Cursive */
{0x109d2, 0x10a00}, /* 47x Meroitic Cursive */
{0x10a10, 0x10a13}, /* 4x Kharoshthi */
{0x10a15, 0x10a17}, /* 3x Kharoshthi */
{0x10a19, 0x10a35}, /* 29x Kharoshthi */
{0x10a40, 0x10a48}, /* 9x Kharoshthi */
{0x10a60, 0x10a7e}, /* 31x Old South Arabian */
{0x10a80, 0x10a9f}, /* 32x Old North Arabian */
{0x10ac0, 0x10ac7}, /* 8x Manichaean */
{0x10ac9, 0x10ae4}, /* 28x Manichaean */
{0x10aeb, 0x10aef}, /* 5x Manichaean */
{0x10b00, 0x10b35}, /* 54x Avestan */
{0x10b40, 0x10b55}, /* 22x Inscriptional Parthian */
{0x10b58, 0x10b72}, /* 27x Inscriptional Parthian and Pahlavi */
{0x10b78, 0x10b91}, /* 26x Inscriptional Pahlavi, Psalter Pahlavi */
{0x10c00, 0x10c48}, /* 73x Old Turkic */
{0x10c80, 0x10cb2}, /* 51x Old Hungarian */
{0x10cc0, 0x10cf2}, /* 51x Old Hungarian */
{0x10cfa, 0x10d23}, /* 42x Old Hungarian, Hanifi Rohingya */
{0x10d30, 0x10d39}, /* 10x Hanifi Rohingya */
{0x10e60, 0x10e7e}, /* 31x Rumi Numeral Symbols */
{0x10f00, 0x10f27}, /* 40x Old Sogdian */
{0x10f30, 0x10f45}, /* 22x Sogdian */
{0x10f51, 0x10f54}, /* 4x Sogdian */
{0x10fe0, 0x10ff6}, /* 23x Elymaic */
{0x11003, 0x11037}, /* 53x Brahmi */
{0x11052, 0x1106f}, /* 30x Brahmi */
{0x11083, 0x110af}, /* 45x Kaithi */
{0x110d0, 0x110e8}, /* 25x Sora Sompeng */
{0x110f0, 0x110f9}, /* 10x Sora Sompeng */
{0x11103, 0x11126}, /* 36x Chakma */
{0x11136, 0x1113f}, /* 10x Chakma */
{0x11144, 0x11144}, /* 1x Chakma */
{0x11150, 0x11172}, /* 35x Mahajani */
{0x11176, 0x11176}, /* 1x Mahajani */
{0x11183, 0x111b2}, /* 48x Sharada */
{0x111c1, 0x111c4}, /* 4x Sharada */
{0x111d0, 0x111da}, /* 11x Sharada */
{0x111dc, 0x111dc}, /* 1x Sharada */
{0x111e1, 0x111f4}, /* 20x Sinhala Archaic Numbers */
{0x11200, 0x11211}, /* 18x Khojki */
{0x11213, 0x1122b}, /* 25x Khojki */
{0x11280, 0x11286}, /* 7x Multani */
{0x11288, 0x11288}, /* 1x Multani */
{0x1128a, 0x1128d}, /* 4x Multani */
{0x1128f, 0x1129d}, /* 15x Multani */
{0x1129f, 0x112a8}, /* 10x Multani */
{0x112b0, 0x112de}, /* 47x Khudawadi */
{0x112f0, 0x112f9}, /* 10x Khudawadi */
{0x11305, 0x1130c}, /* 8x Grantha */
{0x1130f, 0x11310}, /* 2x Grantha */
{0x11313, 0x11328}, /* 22x Grantha */
{0x1132a, 0x11330}, /* 7x Grantha */
{0x11332, 0x11333}, /* 2x Grantha */
{0x11335, 0x11339}, /* 5x Grantha */
{0x1133d, 0x1133d}, /* 1x Grantha */
{0x11350, 0x11350}, /* 1x Grantha */
{0x1135d, 0x11361}, /* 5x Grantha */
{0x11400, 0x11434}, /* 53x Newa */
{0x11447, 0x1144a}, /* 4x Newa */
{0x11450, 0x11459}, /* 10x Newa */
{0x1145f, 0x1145f}, /* 1x Newa */
{0x11480, 0x114af}, /* 48x Tirhuta */
{0x114c4, 0x114c5}, /* 2x Tirhuta */
{0x114c7, 0x114c7}, /* 1x Tirhuta */
{0x114d0, 0x114d9}, /* 10x Tirhuta */
{0x11580, 0x115ae}, /* 47x Siddham */
{0x115d8, 0x115db}, /* 4x Siddham */
{0x11600, 0x1162f}, /* 48x Modi */
{0x11644, 0x11644}, /* 1x Modi */
{0x11650, 0x11659}, /* 10x Modi */
{0x11680, 0x116aa}, /* 43x Takri */
{0x116b8, 0x116b8}, /* 1x Takri */
{0x116c0, 0x116c9}, /* 10x Takri */
{0x11700, 0x1171a}, /* 27x Ahom */
{0x11730, 0x1173b}, /* 12x Ahom */
{0x11800, 0x1182b}, /* 44x Dogra */
{0x118a0, 0x118f2}, /* 83x Warang Citi */
{0x118ff, 0x118ff}, /* 1x Warang Citi */
{0x119a0, 0x119a7}, /* 8x Nandinagari */
{0x119aa, 0x119d0}, /* 39x Nandinagari */
{0x119e1, 0x119e1}, /* 1x Nandinagari */
{0x119e3, 0x119e3}, /* 1x Nandinagari */
{0x11a00, 0x11a00}, /* 1x Zanabazar Square */
{0x11a0b, 0x11a32}, /* 40x Zanabazar Square */
{0x11a3a, 0x11a3a}, /* 1x Zanabazar Square */
{0x11a50, 0x11a50}, /* 1x Soyombo */
{0x11a5c, 0x11a89}, /* 46x Soyombo */
{0x11a9d, 0x11a9d}, /* 1x Soyombo */
{0x11ac0, 0x11af8}, /* 57x Pau Cin Hau */
{0x11c00, 0x11c08}, /* 9x Bhaiksuki */
{0x11c0a, 0x11c2e}, /* 37x Bhaiksuki */
{0x11c40, 0x11c40}, /* 1x Bhaiksuki */
{0x11c50, 0x11c6c}, /* 29x Bhaiksuki */
{0x11c72, 0x11c8f}, /* 30x Marchen */
{0x11d00, 0x11d06}, /* 7x Masaram Gondi */
{0x11d08, 0x11d09}, /* 2x Masaram Gondi */
{0x11d0b, 0x11d30}, /* 38x Masaram Gondi */
{0x11d46, 0x11d46}, /* 1x Masaram Gondi */
{0x11d50, 0x11d59}, /* 10x Masaram Gondi */
{0x11d60, 0x11d65}, /* 6x Gunjala Gondi */
{0x11d67, 0x11d68}, /* 2x Gunjala Gondi */
{0x11d6a, 0x11d89}, /* 32x Gunjala Gondi */
{0x11d98, 0x11d98}, /* 1x Gunjala Gondi */
{0x11da0, 0x11da9}, /* 10x Gunjala Gondi */
{0x11ee0, 0x11ef2}, /* 19x Makasar */
{0x11fc0, 0x11fd4}, /* 21x Tamil Supplement */
{0x12000, 0x12399}, /* 922x Cuneiform */
{0x12400, 0x1246e}, /* 111x Cuneiform Numbers & Punctuation */
{0x12480, 0x12543}, /* 196x Early Dynastic Cuneiform */
{0x13000, 0x1342e}, /* 1071x Egyptian Hieroglyphs */
{0x14400, 0x14646}, /* 583x Anatolian Hieroglyphs */
{0x16800, 0x16a38}, /* 569x Bamum Supplement */
{0x16a40, 0x16a5e}, /* 31x Mro */
{0x16a60, 0x16a69}, /* 10x Mro */
{0x16ad0, 0x16aed}, /* 30x Bassa Vah */
{0x16b00, 0x16b2f}, /* 48x Pahawh Hmong */
{0x16b40, 0x16b43}, /* 4x Pahawh Hmong */
{0x16b50, 0x16b59}, /* 10x Pahawh Hmong */
{0x16b5b, 0x16b61}, /* 7x Pahawh Hmong */
{0x16b63, 0x16b77}, /* 21x Pahawh Hmong */
{0x16b7d, 0x16b8f}, /* 19x Pahawh Hmong */
{0x16e40, 0x16e96}, /* 87x Medefaidrin */
{0x16f00, 0x16f4a}, /* 75x Miao */
{0x16f50, 0x16f50}, /* 1x Miao */
{0x16f93, 0x16f9f}, /* 13x Miao */
{0x16fe0, 0x16fe1}, /* 2x Ideographic Symbols & Punctuation */
{0x16fe3, 0x16fe3}, /* 1x Ideographic Symbols & Punctuation */
{0x17000, 0x187f7}, /* 6136x Tangut */
{0x18800, 0x18af2}, /* 755x Tangut Components */
{0x1b000, 0x1b11e}, /* 287x Kana Supplement */
{0x1b150, 0x1b152}, /* 3x Small Kana Extension */
{0x1b164, 0x1b167}, /* 4x Small Kana Extension */
{0x1b170, 0x1b2fb}, /* 396x Nushu */
{0x1bc00, 0x1bc6a}, /* 107x Duployan */
{0x1bc70, 0x1bc7c}, /* 13x Duployan */
{0x1bc80, 0x1bc88}, /* 9x Duployan */
{0x1bc90, 0x1bc99}, /* 10x Duployan */
{0x1d2e0, 0x1d2f3}, /* 20x Mayan Numerals */
{0x1d360, 0x1d378}, /* 25x Counting Rod Numerals */
{0x1d400, 0x1d454}, /* 85x 𝐀..𝑔 Math */
{0x1d456, 0x1d49c}, /* 71x 𝑖..𝒜 Math */
{0x1d49e, 0x1d49f}, /* 2x 𝒞..𝒟 Math */
{0x1d4a2, 0x1d4a2}, /* 1x 𝒢..𝒢 Math */
{0x1d4a5, 0x1d4a6}, /* 2x 𝒥..𝒦 Math */
{0x1d4a9, 0x1d4ac}, /* 4x 𝒩..𝒬 Math */
{0x1d4ae, 0x1d4b9}, /* 12x 𝒮..𝒹 Math */
{0x1d4bb, 0x1d4bb}, /* 1x 𝒻..𝒻 Math */
{0x1d4bd, 0x1d4c3}, /* 7x 𝒽..𝓃 Math */
{0x1d4c5, 0x1d505}, /* 65x 𝓅..𝔅 Math */
{0x1d507, 0x1d50a}, /* 4x 𝔇..𝔊 Math */
{0x1d50d, 0x1d514}, /* 8x 𝔍..𝔔 Math */
{0x1d516, 0x1d51c}, /* 7x 𝔖..𝔜 Math */
{0x1d51e, 0x1d539}, /* 28x 𝔞..𝔹 Math */
{0x1d53b, 0x1d53e}, /* 4x 𝔻..𝔾 Math */
{0x1d540, 0x1d544}, /* 5x 𝕀..𝕄 Math */
{0x1d546, 0x1d546}, /* 1x 𝕆..𝕆 Math */
{0x1d54a, 0x1d550}, /* 7x 𝕊..𝕐 Math */
{0x1d552, 0x1d6a5}, /* 340x 𝕒..𝚥 Math */
{0x1d6a8, 0x1d6c0}, /* 25x 𝚨..𝛀 Math */
{0x1d6c2, 0x1d6da}, /* 25x 𝛂..𝛚 Math */
{0x1d6dc, 0x1d6fa}, /* 31x 𝛜..𝛺 Math */
{0x1d6fc, 0x1d714}, /* 25x 𝛼..𝜔 Math */
{0x1d716, 0x1d734}, /* 31x 𝜖..𝜴 Math */
{0x1d736, 0x1d74e}, /* 25x 𝜶..𝝎 Math */
{0x1d750, 0x1d76e}, /* 31x 𝝐..𝝮 Math */
{0x1d770, 0x1d788}, /* 25x 𝝰..𝞈 Math */
{0x1d78a, 0x1d7a8}, /* 31x 𝞊..𝞨 Math */
{0x1d7aa, 0x1d7c2}, /* 25x 𝞪..𝟂 Math */
{0x1d7c4, 0x1d7cb}, /* 8x 𝟄..𝟋 Math */
{0x1d7ce, 0x1d9ff}, /* 562x Math, Sutton SignWriting */
{0x1f100, 0x1f10c}, /* 13x Enclosed Alphanumeric Supplement */
{0x20000, 0x2a6d6}, /* 42711x CJK Unified Ideographs Extension B */
{0x2a700, 0x2b734}, /* 4149x CJK Unified Ideographs Extension C */
{0x2b740, 0x2b81d}, /* 222x CJK Unified Ideographs Extension D */
{0x2b820, 0x2cea1}, /* 5762x CJK Unified Ideographs Extension E */
{0x2ceb0, 0x2ebe0}, /* 7473x CJK Unified Ideographs Extension F */
{0x2f800, 0x2fa1d}, /* 542x CJK Compatibility Ideographs Supplement */
};
l = 0;
r = n = sizeof(kAstralGlyphs) / sizeof(kAstralGlyphs[0]);
while (l < r) {
unsigned m = (l & r) + ((l ^ r) >> 1);
if (c < kAstralGlyphs[m][0]) {
r = m;
} else if (c > kAstralGlyphs[m][1]) {
l = m + 1;
} else {
return 0;
}
}
return 1;
}
}
unsigned bestlineLowercase(unsigned c) {
int m, l, r, n;
if (c < 0200) {
if ('A' <= c && c <= 'Z') {
return c + 32;
} else {
return c;
}
} else if (c <= 0xffff) {
if ((0x0100 <= c && c <= 0x0176) || /* 60x Ā..ā → ā..ŵ Watin-A */
(0x01de <= c && c <= 0x01ee) || /* 9x Ǟ..Ǯ → ǟ..ǯ Watin-B */
(0x01f8 <= c && c <= 0x021e) || /* 20x Ǹ..Ȟ → ǹ..ȟ Watin-B */
(0x0222 <= c && c <= 0x0232) || /* 9x Ȣ..Ȳ → ȣ..ȳ Watin-B */
(0x1e00 <= c && c <= 0x1eff)) { /*256x Ḁ..Ỿ → ḁ..ỿ Watin-C */
if (c == 0x0130)
return c - 199;
if (c == 0x1e9e)
return c;
return c + (~c & 1);
} else if (0x01cf <= c && c <= 0x01db) {
return c + (c & 1); /* 7x Ǐ..Ǜ → ǐ..ǜ Watin-B */
} else if (0x13a0 <= c && c <= 0x13ef) {
return c + 38864; /* 80x Ꭰ ..Ꮿ → ꭰ ..ꮿ Cherokee */
} else {
static const struct {
unsigned short a;
unsigned short b;
short d;
} kLower[] = {
{0x00c0, 0x00d6, +32}, /* 23x À ..Ö → à ..ö Watin */
{0x00d8, 0x00de, +32}, /* 7x Ø ..Þ → ø ..þ Watin */
{0x0178, 0x0178, -121}, /* 1x Ÿ ..Ÿ → ÿ ..ÿ Watin-A */
{0x0179, 0x0179, +1}, /* 1x Ź ..Ź → ź ..ź Watin-A */
{0x017b, 0x017b, +1}, /* 1x Ż ..Ż → ż ..ż Watin-A */
{0x017d, 0x017d, +1}, /* 1x Ž ..Ž → ž ..ž Watin-A */
{0x0181, 0x0181, +210}, /* 1x Ɓ ..Ɓ → ɓ ..ɓ Watin-B */
{0x0182, 0x0182, +1}, /* 1x Ƃ ..Ƃ → ƃ ..ƃ Watin-B */
{0x0184, 0x0184, +1}, /* 1x Ƅ ..Ƅ → ƅ ..ƅ Watin-B */
{0x0186, 0x0186, +206}, /* 1x Ɔ ..Ɔ → ɔ ..ɔ Watin-B */
{0x0187, 0x0187, +1}, /* 1x Ƈ ..Ƈ → ƈ ..ƈ Watin-B */
{0x0189, 0x018a, +205}, /* 2x Ɖ ..Ɗ → ɖ ..ɗ Watin-B */
{0x018b, 0x018b, +1}, /* 1x Ƌ ..Ƌ → ƌ ..ƌ Watin-B */
{0x018e, 0x018e, +79}, /* 1x Ǝ ..Ǝ → ǝ ..ǝ Watin-B */
{0x018f, 0x018f, +202}, /* 1x Ə ..Ə → ə ..ə Watin-B */
{0x0190, 0x0190, +203}, /* 1x Ɛ ..Ɛ → ɛ ..ɛ Watin-B */
{0x0191, 0x0191, +1}, /* 1x Ƒ ..Ƒ → ƒ ..ƒ Watin-B */
{0x0193, 0x0193, +205}, /* 1x Ɠ ..Ɠ → ɠ ..ɠ Watin-B */
{0x0194, 0x0194, +207}, /* 1x Ɣ ..Ɣ → ɣ ..ɣ Watin-B */
{0x0196, 0x0196, +211}, /* 1x Ɩ ..Ɩ → ɩ ..ɩ Watin-B */
{0x0197, 0x0197, +209}, /* 1x Ɨ ..Ɨ → ɨ ..ɨ Watin-B */
{0x0198, 0x0198, +1}, /* 1x Ƙ ..Ƙ → ƙ ..ƙ Watin-B */
{0x019c, 0x019c, +211}, /* 1x Ɯ ..Ɯ → ɯ ..ɯ Watin-B */
{0x019d, 0x019d, +213}, /* 1x Ɲ ..Ɲ → ɲ ..ɲ Watin-B */
{0x019f, 0x019f, +214}, /* 1x Ɵ ..Ɵ → ɵ ..ɵ Watin-B */
{0x01a0, 0x01a0, +1}, /* 1x Ơ ..Ơ → ơ ..ơ Watin-B */
{0x01a2, 0x01a2, +1}, /* 1x Ƣ ..Ƣ → ƣ ..ƣ Watin-B */
{0x01a4, 0x01a4, +1}, /* 1x Ƥ ..Ƥ → ƥ ..ƥ Watin-B */
{0x01a6, 0x01a6, +218}, /* 1x Ʀ ..Ʀ → ʀ ..ʀ Watin-B */
{0x01a7, 0x01a7, +1}, /* 1x Ƨ ..Ƨ → ƨ ..ƨ Watin-B */
{0x01a9, 0x01a9, +218}, /* 1x Ʃ ..Ʃ → ʃ ..ʃ Watin-B */
{0x01ac, 0x01ac, +1}, /* 1x Ƭ ..Ƭ → ƭ ..ƭ Watin-B */
{0x01ae, 0x01ae, +218}, /* 1x Ʈ ..Ʈ → ʈ ..ʈ Watin-B */
{0x01af, 0x01af, +1}, /* 1x Ư ..Ư → ư ..ư Watin-B */