diff --git a/config.mk b/config.mk index 47e31cf..99420ee 100644 --- a/config.mk +++ b/config.mk @@ -13,7 +13,7 @@ VERSION := $(MAJOR).$(MINOR).$(PATCH)-dev+$(COMMIT) CXXFLAGS:=$(CXXFLAGS) -std=c++20 -Wall -Wextra -Werror=switch -Werror=return-type -Werror=unused-result CPPFLAGS:=$(CPPFLAGS) -DMusique_Version='"$(VERSION)"' \ - -Ilib/expected/ -I. -Ilib/bestline/ -Ilib/rtmidi/ -Ilib/link/include -Ilib/asio/include/ -Ilib/edit_distance.cc/ -Ilib/replxx/include -DREPLXX_STATIC + -Ilib/expected/ -I. -Ilib/rtmidi/ -Ilib/link/include -Ilib/asio/include/ -Ilib/edit_distance.cc/ -Ilib/replxx/include -DREPLXX_STATIC LDFLAGS=-flto LDLIBS= -lpthread diff --git a/lib/bestline/LICENSE b/lib/bestline/LICENSE deleted file mode 100644 index 3a4d06d..0000000 --- a/lib/bestline/LICENSE +++ /dev/null @@ -1,30 +0,0 @@ -Bestline is released under the 2-clause BSD license. - -Copyright (c) 2018-2021 Justine Tunney -Copyright (c) 2010-2016 Salvatore Sanfilippo -Copyright (c) 2010-2013 Pieter Noordhuis - -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. diff --git a/lib/bestline/bestline.c b/lib/bestline/bestline.c deleted file mode 100644 index 5677d7d..0000000 --- a/lib/bestline/bestline.c +++ /dev/null @@ -1,3578 +0,0 @@ -/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│ -│vi: set net 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, 中国人, 日本語, 한국인 │ -│ │ -│ 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 │ -│ 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-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 │ -│ Copyright 2010-2016 Salvatore Sanfilippo │ -│ Copyright 2010-2013 Pieter Noordhuis │ -│ │ -│ 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" - -#ifndef __COSMOPOLITAN__ -#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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#ifndef SIGWINCH -#define SIGWINCH 28 /* GNU/Systemd + XNU + FreeBSD + NetBSD + OpenBSD */ -#endif -#ifndef IUTF8 -#define IUTF8 0 -#endif -#endif - -__asm__(".ident\t\"\\n\\n\ -Bestline (BSD-2)\\n\ -Copyright 2018-2020 Justine Tunney \\n\ -Copyright 2010-2016 Salvatore Sanfilippo \\n\ -Copyright 2010-2013 Pieter Noordhuis \""); - -#ifndef BESTLINE_MAX_RING -#define BESTLINE_MAX_RING 8 -#endif - -#ifndef BESTLINE_MAX_HISTORY -#define BESTLINE_MAX_HISTORY 1024 -#endif - -#define BESTLINE_HISTORY_FIRST +BESTLINE_MAX_HISTORY -#define BESTLINE_HISTORY_PREV +1 -#define BESTLINE_HISTORY_NEXT -1 -#define BESTLINE_HISTORY_LAST -BESTLINE_MAX_HISTORY - -#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 */ -}; - -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 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); -} - -static int GetMonospaceCharacterWidth(unsigned c) { - return !IsControl(c) - + (c >= 0x1100 && - (c <= 0x115f || c == 0x2329 || c == 0x232a || - (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) || - (c >= 0xac00 && c <= 0xd7a3) || - (c >= 0xf900 && c <= 0xfaff) || - (c >= 0xfe10 && c <= 0xfe19) || - (c >= 0xfe30 && c <= 0xfe6f) || - (c >= 0xff00 && c <= 0xff60) || - (c >= 0xffe0 && c <= 0xffe6) || - (c >= 0x20000 && c <= 0x2fffd) || - (c >= 0x30000 && c <= 0x3fffd))); -} - -/** - * 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) { - m = (l + r) >> 1; - if (kGlyphs[m][1] < c) { - l = m + 1; - } else { - r = m; - } - } - return !(l < n && kGlyphs[l][0] <= c && c <= kGlyphs[l][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) { - m = (l + r) >> 1; - if (kAstralGlyphs[m][1] < c) { - l = m + 1; - } else { - r = m; - } - } - return !(l < n && kAstralGlyphs[l][0] <= c && c <= kAstralGlyphs[l][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 */ - {0x01b1, 0x01b2, +217}, /* 2x Ʊ ..Ʋ → ʊ ..ʋ Watin-B */ - {0x01b3, 0x01b3, +1}, /* 1x Ƴ ..Ƴ → ƴ ..ƴ Watin-B */ - {0x01b5, 0x01b5, +1}, /* 1x Ƶ ..Ƶ → ƶ ..ƶ Watin-B */ - {0x01b7, 0x01b7, +219}, /* 1x Ʒ ..Ʒ → ʒ ..ʒ Watin-B */ - {0x01b8, 0x01b8, +1}, /* 1x Ƹ ..Ƹ → ƹ ..ƹ Watin-B */ - {0x01bc, 0x01bc, +1}, /* 1x Ƽ ..Ƽ → ƽ ..ƽ Watin-B */ - {0x01c4, 0x01c4, +2}, /* 1x DŽ ..DŽ → dž ..dž Watin-B */ - {0x01c5, 0x01c5, +1}, /* 1x Dž ..Dž → dž ..dž Watin-B */ - {0x01c7, 0x01c7, +2}, /* 1x LJ ..LJ → lj ..lj Watin-B */ - {0x01c8, 0x01c8, +1}, /* 1x Lj ..Lj → lj ..lj Watin-B */ - {0x01ca, 0x01ca, +2}, /* 1x NJ ..NJ → nj ..nj Watin-B */ - {0x01cb, 0x01cb, +1}, /* 1x Nj ..Nj → nj ..nj Watin-B */ - {0x01cd, 0x01cd, +1}, /* 1x Ǎ ..Ǎ → ǎ ..ǎ Watin-B */ - {0x01f1, 0x01f1, +2}, /* 1x DZ ..DZ → dz ..dz Watin-B */ - {0x01f2, 0x01f2, +1}, /* 1x Dz ..Dz → dz ..dz Watin-B */ - {0x01f4, 0x01f4, +1}, /* 1x Ǵ ..Ǵ → ǵ ..ǵ Watin-B */ - {0x01f6, 0x01f6, -97}, /* 1x Ƕ ..Ƕ → ƕ ..ƕ Watin-B */ - {0x01f7, 0x01f7, -56}, /* 1x Ƿ ..Ƿ → ƿ ..ƿ Watin-B */ - {0x0220, 0x0220, -130}, /* 1x Ƞ ..Ƞ → ƞ ..ƞ Watin-B */ - {0x023b, 0x023b, +1}, /* 1x Ȼ ..Ȼ → ȼ ..ȼ Watin-B */ - {0x023d, 0x023d, -163}, /* 1x Ƚ ..Ƚ → ƚ ..ƚ Watin-B */ - {0x0241, 0x0241, +1}, /* 1x Ɂ ..Ɂ → ɂ ..ɂ Watin-B */ - {0x0243, 0x0243, -195}, /* 1x Ƀ ..Ƀ → ƀ ..ƀ Watin-B */ - {0x0244, 0x0244, +69}, /* 1x Ʉ ..Ʉ → ʉ ..ʉ Watin-B */ - {0x0245, 0x0245, +71}, /* 1x Ʌ ..Ʌ → ʌ ..ʌ Watin-B */ - {0x0246, 0x0246, +1}, /* 1x Ɇ ..Ɇ → ɇ ..ɇ Watin-B */ - {0x0248, 0x0248, +1}, /* 1x Ɉ ..Ɉ → ɉ ..ɉ Watin-B */ - {0x024a, 0x024a, +1}, /* 1x Ɋ ..Ɋ → ɋ ..ɋ Watin-B */ - {0x024c, 0x024c, +1}, /* 1x Ɍ ..Ɍ → ɍ ..ɍ Watin-B */ - {0x024e, 0x024e, +1}, /* 1x Ɏ ..Ɏ → ɏ ..ɏ Watin-B */ - {0x0386, 0x0386, +38}, /* 1x Ά ..Ά → ά ..ά Greek */ - {0x0388, 0x038a, +37}, /* 3x Έ ..Ί → έ ..ί Greek */ - {0x038c, 0x038c, +64}, /* 1x Ό ..Ό → ό ..ό Greek */ - {0x038e, 0x038f, +63}, /* 2x Ύ ..Ώ → ύ ..ώ Greek */ - {0x0391, 0x03a1, +32}, /* 17x Α ..Ρ → α ..ρ Greek */ - {0x03a3, 0x03ab, +32}, /* 9x Σ ..Ϋ → σ ..ϋ Greek */ - {0x03dc, 0x03dc, +1}, /* 1x Ϝ ..Ϝ → ϝ ..ϝ Greek */ - {0x03f4, 0x03f4, -60}, /* 1x ϴ ..ϴ → θ ..θ Greek */ - {0x0400, 0x040f, +80}, /* 16x Ѐ ..Џ → ѐ ..џ Cyrillic */ - {0x0410, 0x042f, +32}, /* 32x А ..Я → а ..я Cyrillic */ - {0x0460, 0x0460, +1}, /* 1x Ѡ ..Ѡ → ѡ ..ѡ Cyrillic */ - {0x0462, 0x0462, +1}, /* 1x Ѣ ..Ѣ → ѣ ..ѣ Cyrillic */ - {0x0464, 0x0464, +1}, /* 1x Ѥ ..Ѥ → ѥ ..ѥ Cyrillic */ - {0x0472, 0x0472, +1}, /* 1x Ѳ ..Ѳ → ѳ ..ѳ Cyrillic */ - {0x0490, 0x0490, +1}, /* 1x Ґ ..Ґ → ґ ..ґ Cyrillic */ - {0x0498, 0x0498, +1}, /* 1x Ҙ ..Ҙ → ҙ ..ҙ Cyrillic */ - {0x049a, 0x049a, +1}, /* 1x Қ ..Қ → қ ..қ Cyrillic */ - {0x0531, 0x0556, +48}, /* 38x Ա ..Ֆ → ա ..ֆ Armenian */ - {0x10a0, 0x10c5, +7264}, /* 38x Ⴀ ..Ⴥ → ⴀ ..ⴥ Georgian */ - {0x10c7, 0x10c7, +7264}, /* 1x Ⴧ ..Ⴧ → ⴧ ..ⴧ Georgian */ - {0x10cd, 0x10cd, +7264}, /* 1x Ⴭ ..Ⴭ → ⴭ ..ⴭ Georgian */ - {0x13f0, 0x13f5, +8}, /* 6x Ᏸ ..Ᏽ → ᏸ ..ᏽ Cherokee */ - {0x1c90, 0x1cba, -3008}, /* 43x Ა ..Ჺ → ა ..ჺ Georgian2 */ - {0x1cbd, 0x1cbf, -3008}, /* 3x Ჽ ..Ჿ → ჽ ..ჿ Georgian2 */ - {0x1f08, 0x1f0f, -8}, /* 8x Ἀ ..Ἇ → ἀ ..ἇ Greek2 */ - {0x1f18, 0x1f1d, -8}, /* 6x Ἐ ..Ἕ → ἐ ..ἕ Greek2 */ - {0x1f28, 0x1f2f, -8}, /* 8x Ἠ ..Ἧ → ἠ ..ἧ Greek2 */ - {0x1f38, 0x1f3f, -8}, /* 8x Ἰ ..Ἷ → ἰ ..ἷ Greek2 */ - {0x1f48, 0x1f4d, -8}, /* 6x Ὀ ..Ὅ → ὀ ..ὅ Greek2 */ - {0x1f59, 0x1f59, -8}, /* 1x Ὑ ..Ὑ → ὑ ..ὑ Greek2 */ - {0x1f5b, 0x1f5b, -8}, /* 1x Ὓ ..Ὓ → ὓ ..ὓ Greek2 */ - {0x1f5d, 0x1f5d, -8}, /* 1x Ὕ ..Ὕ → ὕ ..ὕ Greek2 */ - {0x1f5f, 0x1f5f, -8}, /* 1x Ὗ ..Ὗ → ὗ ..ὗ Greek2 */ - {0x1f68, 0x1f6f, -8}, /* 8x Ὠ ..Ὧ → ὠ ..ὧ Greek2 */ - {0x1f88, 0x1f8f, -8}, /* 8x ᾈ ..ᾏ → ᾀ ..ᾇ Greek2 */ - {0x1f98, 0x1f9f, -8}, /* 8x ᾘ ..ᾟ → ᾐ ..ᾗ Greek2 */ - {0x1fa8, 0x1faf, -8}, /* 8x ᾨ ..ᾯ → ᾠ ..ᾧ Greek2 */ - {0x1fb8, 0x1fb9, -8}, /* 2x Ᾰ ..Ᾱ → ᾰ ..ᾱ Greek2 */ - {0x1fba, 0x1fbb, -74}, /* 2x Ὰ ..Ά → ὰ ..ά Greek2 */ - {0x1fbc, 0x1fbc, -9}, /* 1x ᾼ ..ᾼ → ᾳ ..ᾳ Greek2 */ - {0x1fc8, 0x1fcb, -86}, /* 4x Ὲ ..Ή → ὲ ..ή Greek2 */ - {0x1fcc, 0x1fcc, -9}, /* 1x ῌ ..ῌ → ῃ ..ῃ Greek2 */ - {0x1fd8, 0x1fd9, -8}, /* 2x Ῐ ..Ῑ → ῐ ..ῑ Greek2 */ - {0x1fda, 0x1fdb, -100}, /* 2x Ὶ ..Ί → ὶ ..ί Greek2 */ - {0x1fe8, 0x1fe9, -8}, /* 2x Ῠ ..Ῡ → ῠ ..ῡ Greek2 */ - {0x1fea, 0x1feb, -112}, /* 2x Ὺ ..Ύ → ὺ ..ύ Greek2 */ - {0x1fec, 0x1fec, -7}, /* 1x Ῥ ..Ῥ → ῥ ..ῥ Greek2 */ - {0x1ff8, 0x1ff9, -128}, /* 2x Ὸ ..Ό → ὸ ..ό Greek2 */ - {0x1ffa, 0x1ffb, -126}, /* 2x Ὼ ..Ώ → ὼ ..ώ Greek2 */ - {0x1ffc, 0x1ffc, -9}, /* 1x ῼ ..ῼ → ῳ ..ῳ Greek2 */ - {0x2126, 0x2126, -7517}, /* 1x Ω ..Ω → ω ..ω Letterlike */ - {0x212a, 0x212a, -8383}, /* 1x K ..K → k ..k Letterlike */ - {0x212b, 0x212b, -8262}, /* 1x Å ..Å → å ..å Letterlike */ - {0x2132, 0x2132, +28}, /* 1x Ⅎ ..Ⅎ → ⅎ ..ⅎ Letterlike */ - {0x2160, 0x216f, +16}, /* 16x Ⅰ ..Ⅿ → ⅰ ..ⅿ Numbery */ - {0x2183, 0x2183, +1}, /* 1x Ↄ ..Ↄ → ↄ ..ↄ Numbery */ - {0x24b6, 0x24cf, +26}, /* 26x Ⓐ ..Ⓩ → ⓐ ..ⓩ Enclosed */ - {0x2c00, 0x2c2e, +48}, /* 47x Ⰰ ..Ⱞ → ⰰ ..ⱞ Glagolitic */ - {0xff21, 0xff3a, +32}, /* 26x A..Z → a..z Dubs */ - }; - l = 0; - r = n = sizeof(kLower) / sizeof(kLower[0]); - while (l < r) { - m = (l + r) >> 1; - if (kLower[m].b < c) { - l = m + 1; - } else { - r = m; - } - } - if (l < n && kLower[l].a <= c && c <= kLower[l].b) { - return c + kLower[l].d; - } else { - return c; - } - } - } else { - static struct { - unsigned a; - unsigned b; - short d; - } kAstralLower[] = { - {0x10400, 0x10427, +40}, /* 40x 𐐀 ..𐐧 → 𐐨 ..𐑏 Deseret */ - {0x104b0, 0x104d3, +40}, /* 36x 𐒰 ..𐓓 → 𐓘 ..𐓻 Osage */ - {0x1d400, 0x1d419, +26}, /* 26x 𝐀 ..𝐙 → 𝐚 ..𝐳 Math */ - {0x1d43c, 0x1d44d, +26}, /* 18x 𝐼 ..𝑍 → 𝑖 ..𝑧 Math */ - {0x1d468, 0x1d481, +26}, /* 26x 𝑨 ..𝒁 → 𝒂 ..𝒛 Math */ - {0x1d4ae, 0x1d4b5, +26}, /* 8x 𝒮 ..𝒵 → 𝓈 ..𝓏 Math */ - {0x1d4d0, 0x1d4e9, +26}, /* 26x 𝓐 ..𝓩 → 𝓪 ..𝔃 Math */ - {0x1d50d, 0x1d514, +26}, /* 8x 𝔍 ..𝔔 → 𝔧 ..𝔮 Math */ - {0x1d56c, 0x1d585, +26}, /* 26x 𝕬 ..𝖅 → 𝖆 ..𝖟 Math */ - {0x1d5a0, 0x1d5b9, +26}, /* 26x 𝖠 ..𝖹 → 𝖺 ..𝗓 Math */ - {0x1d5d4, 0x1d5ed, +26}, /* 26x 𝗔 ..𝗭 → 𝗮 ..𝘇 Math */ - {0x1d608, 0x1d621, +26}, /* 26x 𝘈 ..𝘡 → 𝘢 ..𝘻 Math */ - {0x1d63c, 0x1d655, -442}, /* 26x 𝘼 ..𝙕 → 𝒂 ..𝒛 Math */ - {0x1d670, 0x1d689, +26}, /* 26x 𝙰 ..𝚉 → 𝚊 ..𝚣 Math */ - {0x1d6a8, 0x1d6b8, +26}, /* 17x 𝚨 ..𝚸 → 𝛂 ..𝛒 Math */ - {0x1d6e2, 0x1d6f2, +26}, /* 17x 𝛢 ..𝛲 → 𝛼 ..𝜌 Math */ - {0x1d71c, 0x1d72c, +26}, /* 17x 𝜜 ..𝜬 → 𝜶 ..𝝆 Math */ - {0x1d756, 0x1d766, +26}, /* 17x 𝝖 ..𝝦 → 𝝰 ..𝞀 Math */ - {0x1d790, 0x1d7a0, -90}, /* 17x 𝞐 ..𝞠 → 𝜶 ..𝝆 Math */ - }; - l = 0; - r = n = sizeof(kAstralLower) / sizeof(kAstralLower[0]); - while (l < r) { - m = (l + r) >> 1; - if (kAstralLower[m].b < c) { - l = m + 1; - } else { - r = m; - } - } - if (l < n && kAstralLower[l].a <= c && c <= kAstralLower[l].b) { - return c + kAstralLower[l].d; - } else { - return c; - } - } -} - -unsigned bestlineUppercase(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 ((0x0101 <= c && c <= 0x0177) || /* 60x ā..ŵ → Ā..ā Watin-A */ - (0x01df <= c && c <= 0x01ef) || /* 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 */ - (0x1e01 <= c && c <= 0x1eff)) { /*256x ḁ..ỿ → Ḁ..Ỿ Watin-C */ - if (c == 0x0131) return c + 232; - if (c == 0x1e9e) return c; - return c - (c & 1); - } else if (0x01d0 <= c && c <= 0x01dc) { - return c - (~c & 1); /* 7x ǐ..ǜ → Ǐ..Ǜ Watin-B */ - } else if (0xab70 <= c && c <= 0xabbf) { - return c - 38864; /* 80x ꭰ ..ꮿ → Ꭰ ..Ꮿ Cherokee Supplement */ - } else { - static const struct { - unsigned short a; - unsigned short b; - short d; - } kUpper[] = { - {0x00b5, 0x00b5, +743}, /* 1x µ ..µ → Μ ..Μ Watin */ - {0x00e0, 0x00f6, -32}, /* 23x à ..ö → À ..Ö Watin */ - {0x00f8, 0x00fe, -32}, /* 7x ø ..þ → Ø ..Þ Watin */ - {0x00ff, 0x00ff, +121}, /* 1x ÿ ..ÿ → Ÿ ..Ÿ Watin */ - {0x017a, 0x017a, -1}, /* 1x ź ..ź → Ź ..Ź Watin-A */ - {0x017c, 0x017c, -1}, /* 1x ż ..ż → Ż ..Ż Watin-A */ - {0x017e, 0x017e, -1}, /* 1x ž ..ž → Ž ..Ž Watin-A */ - {0x017f, 0x017f, -300}, /* 1x ſ ..ſ → S ..S Watin-A */ - {0x0180, 0x0180, +195}, /* 1x ƀ ..ƀ → Ƀ ..Ƀ Watin-B */ - {0x0183, 0x0183, -1}, /* 1x ƃ ..ƃ → Ƃ ..Ƃ Watin-B */ - {0x0185, 0x0185, -1}, /* 1x ƅ ..ƅ → Ƅ ..Ƅ Watin-B */ - {0x0188, 0x0188, -1}, /* 1x ƈ ..ƈ → Ƈ ..Ƈ Watin-B */ - {0x018c, 0x018c, -1}, /* 1x ƌ ..ƌ → Ƌ ..Ƌ Watin-B */ - {0x0192, 0x0192, -1}, /* 1x ƒ ..ƒ → Ƒ ..Ƒ Watin-B */ - {0x0195, 0x0195, +97}, /* 1x ƕ ..ƕ → Ƕ ..Ƕ Watin-B */ - {0x0199, 0x0199, -1}, /* 1x ƙ ..ƙ → Ƙ ..Ƙ Watin-B */ - {0x019a, 0x019a, +163}, /* 1x ƚ ..ƚ → Ƚ ..Ƚ Watin-B */ - {0x019e, 0x019e, +130}, /* 1x ƞ ..ƞ → Ƞ ..Ƞ Watin-B */ - {0x01a1, 0x01a1, -1}, /* 1x ơ ..ơ → Ơ ..Ơ Watin-B */ - {0x01a3, 0x01a3, -1}, /* 1x ƣ ..ƣ → Ƣ ..Ƣ Watin-B */ - {0x01a5, 0x01a5, -1}, /* 1x ƥ ..ƥ → Ƥ ..Ƥ Watin-B */ - {0x01a8, 0x01a8, -1}, /* 1x ƨ ..ƨ → Ƨ ..Ƨ Watin-B */ - {0x01ad, 0x01ad, -1}, /* 1x ƭ ..ƭ → Ƭ ..Ƭ Watin-B */ - {0x01b0, 0x01b0, -1}, /* 1x ư ..ư → Ư ..Ư Watin-B */ - {0x01b4, 0x01b4, -1}, /* 1x ƴ ..ƴ → Ƴ ..Ƴ Watin-B */ - {0x01b6, 0x01b6, -1}, /* 1x ƶ ..ƶ → Ƶ ..Ƶ Watin-B */ - {0x01b9, 0x01b9, -1}, /* 1x ƹ ..ƹ → Ƹ ..Ƹ Watin-B */ - {0x01bd, 0x01bd, -1}, /* 1x ƽ ..ƽ → Ƽ ..Ƽ Watin-B */ - {0x01bf, 0x01bf, +56}, /* 1x ƿ ..ƿ → Ƿ ..Ƿ Watin-B */ - {0x01c5, 0x01c5, -1}, /* 1x Dž ..Dž → DŽ ..DŽ Watin-B */ - {0x01c6, 0x01c6, -2}, /* 1x dž ..dž → DŽ ..DŽ Watin-B */ - {0x01c8, 0x01c8, -1}, /* 1x Lj ..Lj → LJ ..LJ Watin-B */ - {0x01c9, 0x01c9, -2}, /* 1x lj ..lj → LJ ..LJ Watin-B */ - {0x01cb, 0x01cb, -1}, /* 1x Nj ..Nj → NJ ..NJ Watin-B */ - {0x01cc, 0x01cc, -2}, /* 1x nj ..nj → NJ ..NJ Watin-B */ - {0x01ce, 0x01ce, -1}, /* 1x ǎ ..ǎ → Ǎ ..Ǎ Watin-B */ - {0x01dd, 0x01dd, -79}, /* 1x ǝ ..ǝ → Ǝ ..Ǝ Watin-B */ - {0x01f2, 0x01f2, -1}, /* 1x Dz ..Dz → DZ ..DZ Watin-B */ - {0x01f3, 0x01f3, -2}, /* 1x dz ..dz → DZ ..DZ Watin-B */ - {0x01f5, 0x01f5, -1}, /* 1x ǵ ..ǵ → Ǵ ..Ǵ Watin-B */ - {0x023c, 0x023c, -1}, /* 1x ȼ ..ȼ → Ȼ ..Ȼ Watin-B */ - {0x023f, 0x0240,+10815}, /* 2x ȿ ..ɀ → Ȿ ..Ɀ Watin-B */ - {0x0242, 0x0242, -1}, /* 1x ɂ ..ɂ → Ɂ ..Ɂ Watin-B */ - {0x0247, 0x0247, -1}, /* 1x ɇ ..ɇ → Ɇ ..Ɇ Watin-B */ - {0x0249, 0x0249, -1}, /* 1x ɉ ..ɉ → Ɉ ..Ɉ Watin-B */ - {0x024b, 0x024b, -1}, /* 1x ɋ ..ɋ → Ɋ ..Ɋ Watin-B */ - {0x024d, 0x024d, -1}, /* 1x ɍ ..ɍ → Ɍ ..Ɍ Watin-B */ - {0x024f, 0x024f, -1}, /* 1x ɏ ..ɏ → Ɏ ..Ɏ Watin-B */ - {0x037b, 0x037d, +130}, /* 3x ͻ ..ͽ → Ͻ ..Ͽ Greek */ - {0x03ac, 0x03ac, -38}, /* 1x ά ..ά → Ά ..Ά Greek */ - {0x03ad, 0x03af, -37}, /* 3x έ ..ί → Έ ..Ί Greek */ - {0x03b1, 0x03c1, -32}, /* 17x α ..ρ → Α ..Ρ Greek */ - {0x03c2, 0x03c2, -31}, /* 1x ς ..ς → Σ ..Σ Greek */ - {0x03c3, 0x03cb, -32}, /* 9x σ ..ϋ → Σ ..Ϋ Greek */ - {0x03cc, 0x03cc, -64}, /* 1x ό ..ό → Ό ..Ό Greek */ - {0x03cd, 0x03ce, -63}, /* 2x ύ ..ώ → Ύ ..Ώ Greek */ - {0x03d0, 0x03d0, -62}, /* 1x ϐ ..ϐ → Β ..Β Greek */ - {0x03d1, 0x03d1, -57}, /* 1x ϑ ..ϑ → Θ ..Θ Greek */ - {0x03d5, 0x03d5, -47}, /* 1x ϕ ..ϕ → Φ ..Φ Greek */ - {0x03d6, 0x03d6, -54}, /* 1x ϖ ..ϖ → Π ..Π Greek */ - {0x03dd, 0x03dd, -1}, /* 1x ϝ ..ϝ → Ϝ ..Ϝ Greek */ - {0x03f0, 0x03f0, -86}, /* 1x ϰ ..ϰ → Κ ..Κ Greek */ - {0x03f1, 0x03f1, -80}, /* 1x ϱ ..ϱ → Ρ ..Ρ Greek */ - {0x03f5, 0x03f5, -96}, /* 1x ϵ ..ϵ → Ε ..Ε Greek */ - {0x0430, 0x044f, -32}, /* 32x а ..я → А ..Я Cyrillic */ - {0x0450, 0x045f, -80}, /* 16x ѐ ..џ → Ѐ ..Џ Cyrillic */ - {0x0461, 0x0461, -1}, /* 1x ѡ ..ѡ → Ѡ ..Ѡ Cyrillic */ - {0x0463, 0x0463, -1}, /* 1x ѣ ..ѣ → Ѣ ..Ѣ Cyrillic */ - {0x0465, 0x0465, -1}, /* 1x ѥ ..ѥ → Ѥ ..Ѥ Cyrillic */ - {0x0473, 0x0473, -1}, /* 1x ѳ ..ѳ → Ѳ ..Ѳ Cyrillic */ - {0x0491, 0x0491, -1}, /* 1x ґ ..ґ → Ґ ..Ґ Cyrillic */ - {0x0499, 0x0499, -1}, /* 1x ҙ ..ҙ → Ҙ ..Ҙ Cyrillic */ - {0x049b, 0x049b, -1}, /* 1x қ ..қ → Қ ..Қ Cyrillic */ - {0x0561, 0x0586, -48}, /* 38x ա ..ֆ → Ա ..Ֆ Armenian */ - {0x10d0, 0x10fa, +3008}, /* 43x ა ..ჺ → Ა ..Ჺ Georgian */ - {0x10fd, 0x10ff, +3008}, /* 3x ჽ ..ჿ → Ჽ ..Ჿ Georgian */ - {0x13f8, 0x13fd, -8}, /* 6x ᏸ ..ᏽ → Ᏸ ..Ᏽ Cherokee */ - {0x214e, 0x214e, -28}, /* 1x ⅎ ..ⅎ → Ⅎ ..Ⅎ Letterlike */ - {0x2170, 0x217f, -16}, /* 16x ⅰ ..ⅿ → Ⅰ ..Ⅿ Numbery */ - {0x2184, 0x2184, -1}, /* 1x ↄ ..ↄ → Ↄ ..Ↄ Numbery */ - {0x24d0, 0x24e9, -26}, /* 26x ⓐ ..ⓩ → Ⓐ ..Ⓩ Enclosed */ - {0x2c30, 0x2c5e, -48}, /* 47x ⰰ ..ⱞ → Ⰰ ..Ⱞ Glagolitic */ - {0x2d00, 0x2d25, -7264}, /* 38x ⴀ ..ⴥ → Ⴀ ..Ⴥ Georgian2 */ - {0x2d27, 0x2d27, -7264}, /* 1x ⴧ ..ⴧ → Ⴧ ..Ⴧ Georgian2 */ - {0x2d2d, 0x2d2d, -7264}, /* 1x ⴭ ..ⴭ → Ⴭ ..Ⴭ Georgian2 */ - {0xff41, 0xff5a, -32}, /* 26x a..z → A..Z Dubs */ - }; - l = 0; - r = n = sizeof(kUpper) / sizeof(kUpper[0]); - while (l < r) { - m = (l + r) >> 1; - if (kUpper[m].b < c) { - l = m + 1; - } else { - r = m; - } - } - if (l < n && kUpper[l].a <= c && c <= kUpper[l].b) { - return c + kUpper[l].d; - } else { - return c; - } - } - } else { - static const struct { - unsigned a; - unsigned b; - short d; - } kAstralUpper[] = { - {0x10428, 0x1044f, -40}, /* 40x 𐐨..𐑏 → 𐐀..𐐧 Deseret */ - {0x104d8, 0x104fb, -40}, /* 36x 𐓘..𐓻 → 𐒰..𐓓 Osage */ - {0x1d41a, 0x1d433, -26}, /* 26x 𝐚..𝐳 → 𝐀..𝐙 Math */ - {0x1d456, 0x1d467, -26}, /* 18x 𝑖..𝑧 → 𝐼..𝑍 Math */ - {0x1d482, 0x1d49b, -26}, /* 26x 𝒂..𝒛 → 𝑨..𝒁 Math */ - {0x1d4c8, 0x1d4cf, -26}, /* 8x 𝓈..𝓏 → 𝒮..𝒵 Math */ - {0x1d4ea, 0x1d503, -26}, /* 26x 𝓪..𝔃 → 𝓐..𝓩 Math */ - {0x1d527, 0x1d52e, -26}, /* 8x 𝔧..𝔮 → 𝔍..𝔔 Math */ - {0x1d586, 0x1d59f, -26}, /* 26x 𝖆..𝖟 → 𝕬..𝖅 Math */ - {0x1d5ba, 0x1d5d3, -26}, /* 26x 𝖺..𝗓 → 𝖠..𝖹 Math */ - {0x1d5ee, 0x1d607, -26}, /* 26x 𝗮..𝘇 → 𝗔..𝗭 Math */ - {0x1d622, 0x1d63b, -26}, /* 26x 𝘢..𝘻 → 𝘈..𝘡 Math */ - {0x1d68a, 0x1d6a3, +442}, /* 26x 𝒂..𝒛 → 𝘼..𝙕 Math */ - {0x1d6c2, 0x1d6d2, -26}, /* 26x 𝚊..𝚣 → 𝙰..𝚉 Math */ - {0x1d6fc, 0x1d70c, -26}, /* 17x 𝛂..𝛒 → 𝚨..𝚸 Math */ - {0x1d736, 0x1d746, -26}, /* 17x 𝛼..𝜌 → 𝛢..𝛲 Math */ - {0x1d770, 0x1d780, -26}, /* 17x 𝜶..𝝆 → 𝜜..𝜬 Math */ - {0x1d770, 0x1d756, -26}, /* 17x 𝝰..𝞀 → 𝝖..𝝦 Math */ - {0x1d736, 0x1d790, -90}, /* 17x 𝜶..𝝆 → 𝞐..𝞠 Math */ - }; - l = 0; - r = n = sizeof(kAstralUpper) / sizeof(kAstralUpper[0]); - while (l < r) { - m = (l + r) >> 1; - if (kAstralUpper[m].b < c) { - l = m + 1; - } else { - r = m; - } - } - if (l < n && kAstralUpper[l].a <= c && c <= kAstralUpper[l].b) { - return c + kAstralUpper[l].d; - } else { - return c; - } - } -} - -char bestlineNotSeparator(unsigned c) { - return !bestlineIsSeparator(c); -} - -static unsigned GetMirror(const unsigned short A[][2], size_t n, unsigned c) { - int l, m, r; - l = 0; - r = n - 1; - while (l <= r) { - m = (l + r) >> 1; - if (A[m][0] < c) { - l = m + 1; - } else if (A[m][0] > c) { - r = m - 1; - } else { - return A[m][1]; - } - } - return 0; -} - -unsigned bestlineMirrorLeft(unsigned c) { - static const unsigned short kMirrorRight[][2] = { - {L')', L'('}, {L']', L'['}, {L'}', L'{'}, {L'⁆', L'⁅'}, - {L'⁾', L'⁽'}, {L'₎', L'₍'}, {L'⌉', L'⌈'}, {L'⌋', L'⌊'}, - {L'〉', L'〈'}, {L'❩', L'❨'}, {L'❫', L'❪'}, {L'❭', L'❬'}, - {L'❯', L'❮'}, {L'❱', L'❰'}, {L'❳', L'❲'}, {L'❵', L'❴'}, - {L'⟆', L'⟅'}, {L'⟧', L'⟦'}, {L'⟩', L'⟨'}, {L'⟫', L'⟪'}, - {L'⟭', L'⟬'}, {L'⟯', L'⟮'}, {L'⦄', L'⦃'}, {L'⦆', L'⦅'}, - {L'⦈', L'⦇'}, {L'⦊', L'⦉'}, {L'⦌', L'⦋'}, {L'⦎', L'⦏'}, - {L'⦐', L'⦍'}, {L'⦒', L'⦑'}, {L'⦔', L'⦓'}, {L'⦘', L'⦗'}, - {L'⧙', L'⧘'}, {L'⧛', L'⧚'}, {L'⧽', L'⧼'}, {L'﹚', L'﹙'}, - {L'﹜', L'﹛'}, {L'﹞', L'﹝'}, {L')', L'('}, {L']', L'['}, - {L'}', L'{'}, {L'」', L'「'}, - }; - return GetMirror(kMirrorRight, - sizeof(kMirrorRight) / sizeof(kMirrorRight[0]), - c); -} - -unsigned bestlineMirrorRight(unsigned c) { - static const unsigned short kMirrorLeft[][2] = { - {L'(', L')'}, {L'[', L']'}, {L'{', L'}'}, {L'⁅', L'⁆'}, - {L'⁽', L'⁾'}, {L'₍', L'₎'}, {L'⌈', L'⌉'}, {L'⌊', L'⌋'}, - {L'〈', L'〉'}, {L'❨', L'❩'}, {L'❪', L'❫'}, {L'❬', L'❭'}, - {L'❮', L'❯'}, {L'❰', L'❱'}, {L'❲', L'❳'}, {L'❴', L'❵'}, - {L'⟅', L'⟆'}, {L'⟦', L'⟧'}, {L'⟨', L'⟩'}, {L'⟪', L'⟫'}, - {L'⟬', L'⟭'}, {L'⟮', L'⟯'}, {L'⦃', L'⦄'}, {L'⦅', L'⦆'}, - {L'⦇', L'⦈'}, {L'⦉', L'⦊'}, {L'⦋', L'⦌'}, {L'⦍', L'⦐'}, - {L'⦏', L'⦎'}, {L'⦑', L'⦒'}, {L'⦓', L'⦔'}, {L'⦗', L'⦘'}, - {L'⧘', L'⧙'}, {L'⧚', L'⧛'}, {L'⧼', L'⧽'}, {L'﹙', L'﹚'}, - {L'﹛', L'﹜'}, {L'﹝', L'﹞'}, {L'(', L')'}, {L'[', L']'}, - {L'{', L'}'}, {L'「', L'」'}, - }; - return GetMirror(kMirrorLeft, - sizeof(kMirrorLeft) / sizeof(kMirrorLeft[0]), - c); -} - -char bestlineIsXeparator(unsigned c) { - return (bestlineIsSeparator(c) && - !bestlineMirrorLeft(c) && - !bestlineMirrorRight(c)); -} - -static unsigned Capitalize(unsigned c) { - if (!iscapital) { - c = bestlineUppercase(c); - iscapital = 1; - } - return c; -} - -static inline int Bsr(unsigned long long x) { -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) - int b; - b = __builtin_clzll(x); - b ^= sizeof(unsigned long long) * CHAR_BIT - 1; - return b; -#else - static const char kDebruijn[64] = { - 0, 47, 1, 56, 48, 27, 2, 60, 57, 49, 41, 37, 28, 16, 3, 61, - 54, 58, 35, 52, 50, 42, 21, 44, 38, 32, 29, 23, 17, 11, 4, 62, - 46, 55, 26, 59, 40, 36, 15, 53, 34, 51, 20, 43, 31, 22, 10, 45, - 25, 39, 14, 33, 19, 30, 9, 24, 13, 18, 8, 12, 7, 6, 5, 63, - }; - x |= x >> 1; - x |= x >> 2; - x |= x >> 4; - x |= x >> 8; - x |= x >> 16; - x |= x >> 32; - return kDebruijn[(x * 0x03f79d71b4cb0a89) >> 58]; -#endif -} - -static struct rune DecodeUtf8(int c) { - struct rune r; - if (c < 252) { - r.n = Bsr(255 & ~c); - r.c = c & (((1 << r.n) - 1) | 3); - r.n = 6 - r.n; - } else { - r.c = c & 3; - r.n = 5; - } - return r; -} - -static unsigned long long EncodeUtf8(unsigned c) { - static const unsigned short kTpEnc[32 - 7] = { - 1|0300<<8, 1|0300<<8, 1|0300<<8, 1|0300<<8, 2|0340<<8, - 2|0340<<8, 2|0340<<8, 2|0340<<8, 2|0340<<8, 3|0360<<8, - 3|0360<<8, 3|0360<<8, 3|0360<<8, 3|0360<<8, 4|0370<<8, - 4|0370<<8, 4|0370<<8, 4|0370<<8, 4|0370<<8, 5|0374<<8, - 5|0374<<8, 5|0374<<8, 5|0374<<8, 5|0374<<8, 5|0374<<8, - }; - int e, n; - unsigned long long w; - if (c < 0200) return c; - e = kTpEnc[Bsr(c) - 7]; - n = e & 0xff; - w = 0; - do { - w |= 0200 | (c & 077); - w <<= 8; - c >>= 6; - } while (--n); - return c | w | e >> 8; -} - -static struct rune GetUtf8(const char *p, size_t n) { - struct rune r; - if ((r.n = r.c = 0) < n && (r.c = p[r.n++] & 255) >= 0300) { - r.c = DecodeUtf8(r.c).c; - while (r.n < n && (p[r.n] & 0300) == 0200) { - r.c = r.c << 6 | (p[r.n++] & 077); - } - } - return r; -} - -static char *FormatUnsigned(char *p, unsigned x) { - char t; - size_t i, a, b; - i = 0; - do { - p[i++] = x % 10 + '0'; - x = x / 10; - } while (x > 0); - p[i] = '\0'; - if (i) { - for (a = 0, b = i - 1; a < b; ++a, --b) { - t = p[a]; - p[a] = p[b]; - p[b] = t; - } - } - return p + i; -} - -static void abInit(struct abuf *a) { - a->len = 0; - a->cap = 16; - a->b = (char *)malloc(a->cap); - a->b[0] = 0; -} - -static char abGrow(struct abuf *a, int need) { - int cap; - char *b; - cap = a->cap; - do cap += cap / 2; - while (cap < need); - if (!(b = (char *)realloc(a->b, cap * sizeof(*a->b)))) return 0; - a->cap = cap; - a->b = b; - return 1; -} - -static void abAppendw(struct abuf *a, unsigned long long w) { - char *p; - if (a->len + 8 > a->cap && !abGrow(a, a->len + 8)) return; - p = a->b + a->len; - p[0] = (0x00000000000000FF & w) >> 000; - p[1] = (0x000000000000FF00 & w) >> 010; - p[2] = (0x0000000000FF0000 & w) >> 020; - p[3] = (0x00000000FF000000 & w) >> 030; - p[4] = (0x000000FF00000000 & w) >> 040; - p[5] = (0x0000FF0000000000 & w) >> 050; - p[6] = (0x00FF000000000000 & w) >> 060; - p[7] = (0xFF00000000000000 & w) >> 070; - a->len += w ? (Bsr(w) >> 3) + 1 : 1; -} - -static void abAppend(struct abuf *a, const char *s, int len) { - if (a->len + len + 1 > a->cap && !abGrow(a, a->len + len + 1)) return; - memcpy(a->b + a->len, s, len); - a->b[a->len + len] = 0; - a->len += len; -} - -static void abAppends(struct abuf *a, const char *s) { - abAppend(a, s, strlen(s)); -} - -static void abAppendu(struct abuf *a, unsigned u) { - char b[11]; - abAppend(a, b, FormatUnsigned(b, u) - b); -} - -static void abFree(struct abuf *a) { - free(a->b); - a->b = 0; -} - -static size_t GetFdSize(int fd) { - struct stat st; - st.st_size = 0; - fstat(fd, &st); - return st.st_size; -} - -static char IsCharDev(int fd) { - struct stat st; - st.st_mode = 0; - fstat(fd, &st); - return (st.st_mode & S_IFMT) == S_IFCHR; -} - -static int WaitUntilReady(int fd, int events) { - struct pollfd p[1]; - p[0].fd = fd; - p[0].events = events; - return poll(p, 1, -1); -} - -static char HasPendingInput(int fd) { - struct pollfd p[1]; - p[0].fd = fd; - p[0].events = POLLIN; - return poll(p, 1, 0) == 1; -} - -static char *GetLineBlock(FILE *f) { - ssize_t rc; - char *p = 0; - size_t n, c = 0; - if ((rc = getdelim(&p, &c, '\n', f)) != EOF) { - for (n = rc; n; --n) { - if (p[n - 1] == '\r' || p[n - 1] == '\n') { - p[n - 1] = 0; - } else { - break; - } - } - return p; - } else { - free(p); - return 0; - } -} - -long bestlineReadCharacter(int fd, char *p, unsigned long n) { - int e; - size_t i; - ssize_t rc; - struct rune r; - unsigned char c; - enum { kAscii, kUtf8, kEsc, kCsi1, kCsi2, kSs, kNf, kStr, kStr2, kDone } t; - i = 0; - r.c = 0; - r.n = 0; - e = errno; - t = kAscii; - if (n) p[0] = 0; - do { - for (;;) { - if (gotint) { - errno = EINTR; - return -1; - } - if (n) { - rc = read(fd,&c,1); - } else { - rc = read(fd,0,0); - } - if (rc == -1 && errno == EINTR) { - if (!i) { - return -1; - } - } else if (rc == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) { - if (WaitUntilReady(fd, POLLIN) == -1) { - if (rc == -1 && errno == EINTR) { - if (!i) { - return -1; - } - } else { - return -1; - } - } - } else if (rc == -1) { - return -1; - } else if (!rc) { - if (!i) { - errno = e; - return 0; - } else { - errno = EILSEQ; - return -1; - } - } else { - break; - } - } - if (i + 1 < n) { - p[i] = c; - p[i+1] = 0; - } else if (i < n) { - p[i] = 0; - } - ++i; - switch (t) { - Whoopsie: - if (n) p[0] = c; - t = kAscii; - i = 1; - /* fallthrough */ - case kAscii: - if (c < 0200) { - if (c == 033) { - t = kEsc; - } else { - t = kDone; - } - } else if (c >= 0300) { - t = kUtf8; - r = DecodeUtf8(c); - } else { - /* ignore overlong sequences */ - } - break; - case kUtf8: - if ((c & 0300) == 0200) { - r.c <<= 6; - r.c |= c & 077; - if (!--r.n) { - switch (r.c) { - case 033: - t = kEsc; /* parsed but not canonicalized */ - break; - case 0x9b: - t = kCsi1; /* unusual but legal */ - break; - case 0x8e: /* SS2 (Single Shift Two) */ - case 0x8f: /* SS3 (Single Shift Three) */ - t = kSs; - break; - case 0x90: /* DCS (Device Control String) */ - case 0x98: /* SOS (Start of String) */ - case 0x9d: /* OSC (Operating System Command) */ - case 0x9e: /* PM (Privacy Message) */ - case 0x9f: /* APC (Application Program Command) */ - t = kStr; - break; - default: - t = kDone; - break; - } - } - } else { - goto Whoopsie; /* ignore underlong sequences if not eof */ - } - break; - case kEsc: - if (0x20 <= c && c <= 0x2f) { /* Nf */ - /* - * Almost no one uses ANSI Nf sequences - * They overlaps with alt+graphic keystrokes - * We care more about being able to type alt-/ - */ - if (c == ' ' || c == '#') { - t = kNf; - } else { - t = kDone; - } - } else if (0x30 <= c && c <= 0x3f) { /* Fp */ - t = kDone; - } else if (0x20 <= c && c <= 0x5F) { /* Fe */ - switch (c) { - case '[': - t = kCsi1; - break; - case 'N': /* SS2 (Single Shift Two) */ - case 'O': /* SS3 (Single Shift Three) */ - t = kSs; - break; - case 'P': /* DCS (Device Control String) */ - case 'X': /* SOS (Start of String) */ - case ']': /* OSC (Operating System Command) */ - case '^': /* PM (Privacy Message) */ - case '_': /* APC (Application Program Command) */ - t = kStr; - break; - default: - t = kDone; - break; - } - } else if (0x60 <= c && c <= 0x7e) { /* Fs */ - t = kDone; - } else if (c == 033) { - if (i < 3) { - /* alt chording */ - } else { - t = kDone; /* esc mashing */ - i = 1; - } - } else { - t = kDone; - } - break; - case kSs: - t = kDone; - break; - case kNf: - if (0x30 <= c && c <= 0x7e) { - t = kDone; - } else if (!(0x20 <= c && c <= 0x2f)) { - goto Whoopsie; - } - break; - case kCsi1: - if (0x20 <= c && c <= 0x2f) { - t = kCsi2; - } else if (c == '[' && ((i == 3) || - (i == 4 && p[1] == 033))) { - /* linux function keys */ - } else if (0x40 <= c && c <= 0x7e) { - t = kDone; - } else if (!(0x30 <= c && c <= 0x3f)) { - goto Whoopsie; - } - break; - case kCsi2: - if (0x40 <= c && c <= 0x7e) { - t = kDone; - } else if (!(0x20 <= c && c <= 0x2f)) { - goto Whoopsie; - } - break; - case kStr: - switch (c) { - case '\a': - t = kDone; - break; - case 0033: /* ESC */ - case 0302: /* C1 (UTF-8) */ - t = kStr2; - break; - default: - break; - } - break; - case kStr2: - switch (c) { - case '\a': - case '\\': /* ST (ASCII) */ - case 0234: /* ST (UTF-8) */ - t = kDone; - break; - default: - t = kStr; - break; - } - break; - default: - assert(0); - } - } while (t != kDone); - errno = e; - return i; -} - -static char *GetLineChar(int fin, int fout) { - size_t got; - ssize_t rc; - char seq[16]; - struct abuf a; - struct sigaction sa[3]; - abInit(&a); - gotint = 0; - sigemptyset(&sa->sa_mask); - sa->sa_flags = 0; - sa->sa_handler = bestlineOnInt; - sigaction(SIGINT,sa,sa+1); - sigaction(SIGQUIT,sa,sa+2); - for (;;) { - if (gotint) { - rc = -1; - break; - } - if ((rc = bestlineReadCharacter(fin, seq, sizeof(seq))) == -1) { - if (errno == EAGAIN || errno == EWOULDBLOCK) { - if (WaitUntilReady(fin, POLLIN) > 0) { - continue; - } - } - if (errno == EINTR) { - continue; - } else { - break; - } - } - if (!(got = rc)) { - if (a.len) { - break; - } else { - rc = -1; - break; - } - } - if (seq[0] == '\r') { - if (HasPendingInput(fin)) { - if ((rc = bestlineReadCharacter(fin, seq + 1, sizeof(seq) - 1)) > 0) { - if (seq[0] == '\n') { - break; - } - } else { - rc = -1; - break; - } - } else { - (void)write(fout, "\n", 1); - break; - } - } else if (seq[0] == Ctrl('D')) { - break; - } else if (seq[0] == '\n') { - break; - } else if (seq[0] == '\b') { - while (a.len && (a.b[a.len - 1] & 0300) == 0200) --a.len; - if (a.len) --a.len; - } - if (!IsControl(seq[0])) { - abAppend(&a, seq, got); - } - } - sigaction(SIGQUIT,sa+2,0); - sigaction(SIGINT,sa+1,0); - if (gotint) { - abFree(&a); - raise(gotint); - errno = EINTR; - rc = -1; - } - if (rc != -1) { - return a.b; - } else { - abFree(&a); - return 0; - } -} - -static char *GetLine(FILE *in, FILE *out) { - if (!IsCharDev(fileno(in))) { - return GetLineBlock(in); - } else { - return GetLineChar(fileno(in), fileno(out)); - } -} - -static char *Copy(char *d, const char *s, size_t n) { - memcpy(d, s, n); - return d + n; -} - -static int CompareStrings(const char *a, const char *b) { - size_t i; - int x, y, c; - for (i = 0;; ++i) { - x = bestlineLowercase(a[i] & 255); - y = bestlineLowercase(b[i] & 255); - if ((c = x - y) || !x) { - return c; - } - } -} - -static const char *FindSubstringReverse(const char *p, size_t n, - const char *q, size_t m) { - size_t i; - if (m <= n) { - n -= m; - do { - for (i = 0; i < m; ++i) { - if (p[n + i] != q[i]) { - break; - } - } - if (i == m) { - return p + n; - } - } while (n--); - } - return 0; -} - -static int ParseUnsigned(const char *s, void *e) { - int c, x; - for (x = 0; (c = *s++);) { - if ('0' <= c && c <= '9') { - x = Min(c - '0' + x * 10, 32767); - } else { - break; - } - } - if (e) *(const char **)e = s; - return x; -} - -/** - * Returns UNICODE CJK Monospace Width of string. - * - * Control codes and ANSI sequences have a width of zero. We only parse - * a limited subset of ANSI here since we don't store ANSI codes in the - * linenoiseState::buf, but we do encourage CSI color codes in prompts. - */ -static size_t GetMonospaceWidth(const char *p, size_t n, char *out_haswides) { - int c, d; - size_t i, w; - struct rune r; - char haswides; - enum { kAscii, kUtf8, kEsc, kCsi1, kCsi2 } t; - for (haswides = r.c = r.n = w = i = 0, t = kAscii; i < n; ++i) { - c = p[i] & 255; - switch (t) { - Whoopsie: - t = kAscii; - /* fallthrough */ - case kAscii: - if (c < 0200) { - if (c == 033) { - t = kEsc; - } else { - ++w; - } - } else if (c >= 0300) { - t = kUtf8; - r = DecodeUtf8(c); - } - break; - case kUtf8: - if ((c & 0300) == 0200) { - r.c <<= 6; - r.c |= c & 077; - if (!--r.n) { - d = GetMonospaceCharacterWidth(r.c); - d = Max(0, d); - w += d; - haswides |= d > 1; - t = kAscii; - break; - } - } else { - goto Whoopsie; - } - break; - case kEsc: - if (c == '[') { - t = kCsi1; - } else { - t = kAscii; - } - break; - case kCsi1: - if (0x20 <= c && c <= 0x2f) { - t = kCsi2; - } else if (0x40 <= c && c <= 0x7e) { - t = kAscii; - } else if (!(0x30 <= c && c <= 0x3f)) { - goto Whoopsie; - } - break; - case kCsi2: - if (0x40 <= c && c <= 0x7e) { - t = kAscii; - } else if (!(0x20 <= c && c <= 0x2f)) { - goto Whoopsie; - } - break; - default: - assert(0); - } - } - if (out_haswides) { - *out_haswides = haswides; - } - return w; -} - -static int bestlineIsUnsupportedTerm(void) { - size_t i; - char *term; - static char once, res; - if (!once) { - if ((term = getenv("TERM"))) { - for (i = 0; i < sizeof(kUnsupported) / sizeof(*kUnsupported); i++) { - if (!CompareStrings(term,kUnsupported[i])) { - res = 1; - break; - } - } - } - once = 1; - } - return res; -} - -static int enableRawMode(int fd) { - struct termios raw; - struct sigaction sa; - if (tcgetattr(fd,&orig_termios) != -1) { - raw = orig_termios; - raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); - raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); - raw.c_oflag &= ~OPOST; - raw.c_iflag |= IUTF8; - raw.c_cflag |= CS8; - raw.c_cc[VMIN] = 1; - raw.c_cc[VTIME] = 0; - if (tcsetattr(fd,TCSANOW,&raw) != -1) { - sa.sa_flags = 0; - sa.sa_handler = bestlineOnCont; - sigemptyset(&sa.sa_mask); - sigaction(SIGCONT,&sa,&orig_cont); - sa.sa_handler = bestlineOnWinch; - sigaction(SIGWINCH,&sa,&orig_winch); - rawmode = fd; - gotwinch = 0; - gotcont = 0; - return 0; - } - } - errno = ENOTTY; - return -1; -} - -static void bestlineUnpause(int fd) { - if (ispaused) { - tcflow(fd, TCOON); - ispaused = 0; - } -} - -void bestlineDisableRawMode(void) { - if (rawmode != -1) { - bestlineUnpause(rawmode); - sigaction(SIGCONT,&orig_cont,0); - sigaction(SIGWINCH,&orig_winch,0); - tcsetattr(rawmode,TCSANOW,&orig_termios); - rawmode = -1; - } -} - -static int bestlineWrite(int fd, const void *p, size_t n) { - ssize_t rc; - size_t wrote; - do { - for (;;) { - if (gotint) { - errno = EINTR; - return -1; - } - if (ispaused) { - return 0; - } - rc = write(fd, p, n); - if (rc == -1 && errno == EINTR) { - continue; - } else if (rc == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) { - if (WaitUntilReady(fd, POLLOUT) == -1) { - if (errno == EINTR) { - continue; - } else { - return -1; - } - } - } else { - break; - } - } - if (rc != -1) { - wrote = rc; - n -= wrote; - p = (char *)p + wrote; - } else { - return -1; - } - } while (n); - return 0; -} - -static int bestlineWriteStr(int fd, const char *p) { - return bestlineWrite(fd, p, strlen(p)); -} - -static ssize_t bestlineRead(int fd, char *buf, size_t size, - struct bestlineState *l) { - size_t got; - ssize_t rc; - int refreshme; - do { - refreshme = 0; - if (gotint) { - errno = EINTR; - return -1; - } - if (gotcont && rawmode != -1) { - enableRawMode(rawmode); - if (l) refreshme = 1; - } - if (gotwinch && l) { - refreshme = 1; - } - if (refreshme) bestlineRefreshLine(l); - rc = bestlineReadCharacter(fd, buf, size); - } while (rc == -1 && errno == EINTR); - if (rc != -1) { - got = rc; - if (got > 0 && l) { - memcpy(l->seq[1], l->seq[0], sizeof(l->seq[0])); - memset(l->seq[0], 0, sizeof(l->seq[0])); - memcpy(l->seq[0], buf, Min(Min(size, got), sizeof(l->seq[0]) - 1)); - } - } - return rc; -} - -/** - * Returns number of columns in current terminal. - * - * 1. Checks COLUMNS environment variable (set by Emacs) - * 2. Tries asking termios (works for pseudoteletypewriters) - * 3. Falls back to inband signalling (works w/ pipe or serial) - * 4. Otherwise we conservatively assume 80 columns - * - * @param ws should be initialized by caller to zero before first call - * @param ifd is input file descriptor - * @param ofd is output file descriptor - * @return window size - */ -static struct winsize GetTerminalSize(struct winsize ws, int ifd, int ofd) { - int x; - ssize_t n; - char *p, *s, b[16]; - ioctl(ofd, TIOCGWINSZ, &ws); - if ((!ws.ws_row && - (s = getenv("ROWS")) && - (x = ParseUnsigned(s, 0)))) { - ws.ws_row = x; - } - if ((!ws.ws_col && - (s = getenv("COLUMNS")) && - (x = ParseUnsigned(s, 0)))) { - ws.ws_col = x; - } - if (((!ws.ws_col || !ws.ws_row) && - bestlineRead(ifd,0,0,0) != -1 && - bestlineWriteStr(ofd, - "\0337" /* save position */ - "\033[9979;9979H" /* move cursor to bottom right corner */ - "\033[6n" /* report position */ - "\0338") != -1 && /* restore position */ - (n = bestlineRead(ifd,b,sizeof(b),0)) != -1 && - n && b[0] == 033 && b[1] == '[' && b[n - 1] == 'R')) { - p = b+2; - if ((x = ParseUnsigned(p,&p))) ws.ws_row = x; - if (*p++ == ';' && (x = ParseUnsigned(p,0))) ws.ws_col = x; - } - if (!ws.ws_col) ws.ws_col = 80; - if (!ws.ws_row) ws.ws_row = 24; - return ws; -} - -/* Clear the screen. Used to handle ctrl+l */ -void bestlineClearScreen(int fd) { - bestlineWriteStr(fd, - "\033[H" /* move cursor to top left corner */ - "\033[2J"); /* erase display */ -} - -static void bestlineBeep(void) { - /* THE TERMINAL BELL IS DEAD - HISTORY HAS KILLED IT */ -} - -static char bestlineGrow(struct bestlineState *ls, size_t n) { - char *p; - size_t m; - m = ls->buflen; - if (m >= n) return 1; - do m += m >> 1; - while (m < n); - if (!(p = (char *)realloc(ls->buf, m * sizeof(*ls->buf)))) return 0; - ls->buf = p; - ls->buflen = m; - return 1; -} - -/* This is an helper function for bestlineEdit() and is called when the - * user types the key in order to complete the string currently in the - * input. - * - * The state of the editing is encapsulated into the pointed bestlineState - * structure as described in the structure definition. */ -static ssize_t bestlineCompleteLine(struct bestlineState *ls, char *seq, int size) { - ssize_t nread; - size_t i, n, stop; - bestlineCompletions lc; - struct bestlineState saved; - nread=0; - memset(&lc,0,sizeof(lc)); - completionCallback(ls->buf,&lc); - if (!lc.len) { - bestlineBeep(); - } else { - i = 0; - stop = 0; - while (!stop) { - /* Show completion or original buffer */ - if (i < lc.len) { - saved = *ls; - ls->len = ls->pos = strlen(lc.cvec[i]); - ls->buf = lc.cvec[i]; - bestlineRefreshLine(ls); - ls->len = saved.len; - ls->pos = saved.pos; - ls->buf = saved.buf; - } else { - bestlineRefreshLine(ls); - } - if ((nread = bestlineRead(ls->ifd,seq,size,ls)) <= 0) { - bestlineFreeCompletions(&lc); - return -1; - } - switch (seq[0]) { - case '\t': - i = (i+1) % (lc.len+1); - if (i == lc.len) { - bestlineBeep(); - } - break; - default: - if (i < lc.len) { - n = strlen(lc.cvec[i]); - if (bestlineGrow(ls, n + 1)) { - memcpy(ls->buf, lc.cvec[i], n + 1); - ls->len = ls->pos = n; - } - } - stop = 1; - break; - } - } - } - bestlineFreeCompletions(&lc); - return nread; -} - -static void bestlineEditHistoryGoto(struct bestlineState *l, unsigned i) { - size_t n; - if (historylen <= 1) return; - i = Max(Min(i,historylen-1),0); - free(history[historylen - 1 - l->hindex]); - history[historylen - 1 - l->hindex] = strdup(l->buf); - l->hindex = i; - n = strlen(history[historylen - 1 - l->hindex]); - bestlineGrow(l, n + 1); - n = Min(n, l->buflen - 1); - memcpy(l->buf, history[historylen - 1 - l->hindex], n); - l->buf[n] = 0; - l->len = l->pos = n; - bestlineRefreshLine(l); -} - -static void bestlineEditHistoryMove(struct bestlineState *l, int dx) { - bestlineEditHistoryGoto(l,l->hindex+dx); -} - -static char *bestlineMakeSearchPrompt(struct abuf *ab, int fail, const char *s, int n) { - ab->len=0; - abAppendw(ab,'('); - if (fail) abAppends(ab,"failed "); - abAppends(ab,"reverse-i-search `\033[4m"); - abAppend(ab,s,n); - abAppends(ab,"\033[24m"); - abAppends(ab,s+n); - abAppendw(ab,Read32le("') ")); - return ab->b; -} - -static int bestlineSearch(struct bestlineState *l, char *seq, int size) { - char *p; - char isstale; - struct abuf ab; - struct abuf prompt; - unsigned i, j, k, matlen; - const char *oldprompt, *q; - int rc, fail, added, oldpos, oldindex; - if (historylen <= 1) return 0; - abInit(&ab); - abInit(&prompt); - oldpos = l->pos; - oldprompt = l->prompt; - oldindex = l->hindex; - for (fail=matlen=0;;) { - l->prompt = bestlineMakeSearchPrompt(&prompt,fail,ab.b,matlen); - bestlineRefreshLine(l); - fail = 1; - added = 0; - j = l->pos; - i = l->hindex; - rc = bestlineRead(l->ifd,seq,size,l); - if (rc > 0) { - if (seq[0] == Ctrl('?') || seq[0] == Ctrl('H')) { - if (ab.len) { - --ab.len; - matlen = Min(matlen, ab.len); - } - } else if (seq[0] == Ctrl('R')) { - if (j) { - --j; - } else if (i + 1 < historylen) { - ++i; - j = strlen(history[historylen - 1 - i]); - } - } else if (seq[0] == Ctrl('G')) { - bestlineEditHistoryGoto(l,oldindex); - l->pos = oldpos; - rc = 0; - break; - } else if (IsControl(seq[0])) { /* only sees canonical c0 */ - break; - } else { - abAppend(&ab,seq,rc); - added = rc; - } - } else { - break; - } - isstale = 0; - while (i < historylen) { - p = history[historylen - 1 - i]; - k = strlen(p); - if (!isstale) { - j = Min(k, j + ab.len); - } else { - isstale = 0; - j = k; - } - if ((q = FindSubstringReverse(p, j, ab.b, ab.len))) { - bestlineEditHistoryGoto(l,i); - l->pos = q - p; - fail = 0; - if (added) { - matlen += added; - added = 0; - } - break; - } else { - isstale = 1; - ++i; - } - } - } - l->prompt = oldprompt; - bestlineRefreshLine(l); - abFree(&prompt); - abFree(&ab); - bestlineRefreshLine(l); - return rc; -} - -static void bestlineRingFree(void) { - size_t i; - for (i = 0; i < BESTLINE_MAX_RING; ++i) { - if (ring.p[i]) { - free(ring.p[i]); - ring.p[i] = 0; - } - } -} - -static void bestlineRingPush(const char *p, size_t n) { - char *q; - if (!n) return; - if (!(q = (char *)malloc(n + 1))) return; - ring.i = (ring.i + 1) % BESTLINE_MAX_RING; - free(ring.p[ring.i]); - ring.p[ring.i] = (char *)memcpy(q, p, n); - ring.p[ring.i][n] = 0; -} - -static void bestlineRingRotate(void) { - size_t i; - for (i = 0; i < BESTLINE_MAX_RING; ++i) { - ring.i = (ring.i - 1) % BESTLINE_MAX_RING; - if (ring.p[ring.i]) break; - } -} - -static char *bestlineRefreshHints(struct bestlineState *l) { - char *hint; - struct abuf ab; - const char *ansi1 = "\033[90m", *ansi2 = "\033[39m"; - if (!hintsCallback) return 0; - if (!(hint = hintsCallback(l->buf, &ansi1, &ansi2))) return 0; - abInit(&ab); - if (ansi1) abAppends(&ab, ansi1); - abAppends(&ab, hint); - if (ansi2) abAppends(&ab, ansi2); - if (freeHintsCallback) freeHintsCallback(hint); - return ab.b; -} - -static size_t Backward(struct bestlineState *l, size_t pos) { - if (pos) { - do --pos; - while (pos && (l->buf[pos] & 0300) == 0200); - } - return pos; -} - -static int bestlineEditMirrorLeft(struct bestlineState *l, int res[2]) { - unsigned c, pos, left, right, depth, index; - if ((pos = Backward(l, l->pos))) { - right = GetUtf8(l->buf + pos, l->len - pos).c; - if ((left = bestlineMirrorLeft(right))) { - depth = 0; - index = pos; - do { - pos = Backward(l, pos); - c = GetUtf8(l->buf + pos, l->len - pos).c; - if (c == right) { - ++depth; - } else if (c == left) { - if (depth) { - --depth; - } else { - res[0] = pos; - res[1] = index; - return 0; - } - } - } while (pos); - } - } - return -1; -} - -static int bestlineEditMirrorRight(struct bestlineState *l, int res[2]) { - struct rune rune; - unsigned pos, left, right, depth, index; - pos = l->pos; - rune = GetUtf8(l->buf + pos, l->len - pos); - left = rune.c; - if ((right = bestlineMirrorRight(left))) { - depth = 0; - index = pos; - do { - pos += rune.n; - rune = GetUtf8(l->buf + pos, l->len - pos); - if (rune.c == left) { - ++depth; - } else if (rune.c == right) { - if (depth) { - --depth; - } else { - res[0] = index; - res[1] = pos; - return 0; - } - } - } while (pos + rune.n < l->len); - } - return -1; -} - -static int bestlineEditMirror(struct bestlineState *l, int res[2]) { - int rc; - rc = bestlineEditMirrorLeft(l, res); - if (rc == -1) rc = bestlineEditMirrorRight(l, res); - return rc; -} - -static void bestlineRefreshLineImpl(struct bestlineState *l, int force) { - char *hint; - char flipit; - char hasflip; - char haswides; - struct abuf ab; - const char *buf; - struct rune rune; - struct winsize oldsize; - int fd, plen, rows, len, pos; - unsigned x, xn, yn, width, pwidth; - int i, t, cx, cy, tn, resized, flip[2]; - - /* - * synchonize the i/o state - */ - if (ispaused) { - if (force) { - bestlineUnpause(l->ofd); - } else { - return; - } - } - if (!force && HasPendingInput(l->ifd)) { - l->dirty = 1; - return; - } - oldsize = l->ws; - if ((resized = gotwinch) && rawmode != -1) { - gotwinch = 0; - l->ws = GetTerminalSize(l->ws, l->ifd, l->ofd); - } - hasflip = !l->final && !bestlineEditMirror(l, flip); - -StartOver: - fd = l->ofd; - buf = l->buf; - pos = l->pos; - len = l->len; - xn = l->ws.ws_col; - yn = l->ws.ws_row; - plen = strlen(l->prompt); - pwidth = GetMonospaceWidth(l->prompt, plen, 0); - width = GetMonospaceWidth(buf, len, &haswides); - - /* - * handle the case where the line is larger than the whole display - * gnu readline actually isn't able to deal with this situation!!! - * we kludge xn to address the edge case of wide chars on the edge - */ - for (tn = xn - haswides * 2;;) { - if (pwidth + width + 1 < tn * yn) break; /* we're fine */ - if (!len || width < 2) break; /* we can't do anything */ - if (pwidth + 2 > tn * yn) break; /* we can't do anything */ - if (pos > len / 2) { - /* hide content on the left if we're editing on the right */ - rune = GetUtf8(buf, len); - buf += rune.n; - len -= rune.n; - pos -= rune.n; - } else { - /* hide content on the right if we're editing on left */ - t = len; - while (len && (buf[len - 1] & 0300) == 0200) --len; - if (len) --len; - rune = GetUtf8(buf + len, t - len); - } - if ((t = GetMonospaceCharacterWidth(rune.c)) > 0) { - width -= t; - } - } - pos = Max(0, Min(pos, len)); - - /* - * now generate the terminal codes to update the line - * - * since we support unlimited lines it's important that we don't - * clear the screen before we draw the screen. doing that causes - * flickering. the key with terminals is to overwrite cells, and - * then use \e[K and \e[J to clear everything else. - * - * we make the assumption that prompts and hints may contain ansi - * sequences, but the buffer does not. - * - * we need to handle the edge case where a wide character like 度 - * might be at the edge of the window, when there's one cell left. - * so we can't use division based on string width to compute the - * coordinates and have to track it as we go. - */ - cy = -1; - cx = -1; - rows = 1; - abInit(&ab); - abAppendw(&ab, '\r'); /* start of line */ - if (l->rows - l->oldpos - 1 > 0) { - abAppends(&ab, "\033["); - abAppendu(&ab, l->rows - l->oldpos - 1); - abAppendw(&ab, 'A'); /* cursor up clamped */ - } - abAppends(&ab, l->prompt); - x = pwidth; - for (i = 0; i < len; i += rune.n) { - rune = GetUtf8(buf + i, len - i); - if (x && x + rune.n > xn) { - if (cy >= 0) ++cy; - if (x < xn) { - abAppends(&ab, "\033[K"); /* clear line forward */ - } - abAppends(&ab, "\r" /* start of line */ - "\n"); /* cursor down unclamped */ - ++rows; - x = 0; - } - if (i == pos) { - cy = 0; - cx = x; - } - if (maskmode) { - abAppendw(&ab, '*'); - } else { - flipit = hasflip && (i == flip[0] || i == flip[1]); - if (flipit) abAppends(&ab, "\033[1m"); - abAppendw(&ab, EncodeUtf8(rune.c)); - if (flipit) abAppends(&ab, "\033[22m"); - } - t = GetMonospaceCharacterWidth(rune.c); - t = Max(0, t); - x += t; - } - if (!l->final && (hint = bestlineRefreshHints(l))) { - if (GetMonospaceWidth(hint, strlen(hint), 0) < xn - x) { - if (cx < 0) { - cx = x; - } - abAppends(&ab, hint); - } - free(hint); - } - abAppendw(&ab, Read32le("\033[J")); /* erase display forwards */ - - /* - * if we are at the very end of the screen with our prompt, we need - * to emit a newline and move the prompt to the first column. - */ - if (pos && pos == len && x >= xn) { - abAppendw(&ab, Read32le("\n\r\0")); - ++rows; - } - - /* - * move cursor to right position - */ - if (cy > 0) { - abAppends(&ab, "\033["); - abAppendu(&ab, cy); - abAppendw(&ab, 'A'); /* cursor up */ - } - if (cx > 0) { - abAppendw(&ab, Read32le("\r\033[")); - abAppendu(&ab, cx); - abAppendw(&ab, 'C'); /* cursor right */ - } else if (!cx) { - abAppendw(&ab, '\r'); /* start */ - } - - /* - * now get ready to progress state - * we use a mostly correct kludge when the tty resizes - */ - l->rows = rows; - if (resized && oldsize.ws_col > l->ws.ws_col) { - resized = 0; - abFree(&ab); - goto StartOver; - } - l->dirty = 0; - l->oldpos = Max(0, cy); - - /* - * send codes to terminal - */ - bestlineWrite(fd, ab.b, ab.len); - abFree(&ab); -} - -static void bestlineRefreshLine(struct bestlineState *l) { - bestlineRefreshLineImpl(l, 0); -} - -static void bestlineRefreshLineForce(struct bestlineState *l) { - bestlineRefreshLineImpl(l, 1); -} - -static void bestlineEditInsert(struct bestlineState *l, - const char *p, size_t n) { - if (!bestlineGrow(l, l->len + n + 1)) return; - memmove(l->buf + l->pos + n, l->buf + l->pos, l->len - l->pos); - memcpy(l->buf + l->pos, p, n); - l->pos += n; - l->len += n; - l->buf[l->len] = 0; - bestlineRefreshLine(l); -} - -static void bestlineEditHome(struct bestlineState *l) { - l->pos = 0; - bestlineRefreshLine(l); -} - -static void bestlineEditEnd(struct bestlineState *l) { - l->pos = l->len; - bestlineRefreshLine(l); -} - -static void bestlineEditUp(struct bestlineState *l) { - bestlineEditHistoryMove(l,BESTLINE_HISTORY_PREV); -} - -static void bestlineEditDown(struct bestlineState *l) { - bestlineEditHistoryMove(l,BESTLINE_HISTORY_NEXT); -} - -static void bestlineEditBof(struct bestlineState *l) { - bestlineEditHistoryMove(l,BESTLINE_HISTORY_FIRST); -} - -static void bestlineEditEof(struct bestlineState *l) { - bestlineEditHistoryMove(l,BESTLINE_HISTORY_LAST); -} - -static void bestlineEditRefresh(struct bestlineState *l) { - bestlineClearScreen(l->ofd); - bestlineRefreshLine(l); -} - -static size_t Forward(struct bestlineState *l, size_t pos) { - return pos + GetUtf8(l->buf + pos, l->len - pos).n; -} - -static size_t Backwards(struct bestlineState *l, size_t pos, char pred(unsigned)) { - size_t i; - struct rune r; - while (pos) { - i = Backward(l, pos); - r = GetUtf8(l->buf + i, l->len - i); - if (pred(r.c)) { - pos = i; - } else { - break; - } - } - return pos; -} - -static size_t Forwards(struct bestlineState *l, size_t pos, char pred(unsigned)) { - struct rune r; - while (pos < l->len) { - r = GetUtf8(l->buf + pos, l->len - pos); - if (pred(r.c)) { - pos += r.n; - } else { - break; - } - } - return pos; -} - -static size_t ForwardWord(struct bestlineState *l, size_t pos) { - pos = Forwards(l, pos, bestlineIsSeparator); - pos = Forwards(l, pos, bestlineNotSeparator); - return pos; -} - -static size_t BackwardWord(struct bestlineState *l, size_t pos) { - pos = Backwards(l, pos, bestlineIsSeparator); - pos = Backwards(l, pos, bestlineNotSeparator); - return pos; -} - -static size_t EscapeWord(struct bestlineState *l, size_t i) { - size_t j; - struct rune r; - for (; i && i < l->len; i += r.n) { - if (i < l->len) { - r = GetUtf8(l->buf + i, l->len - i); - if (bestlineIsSeparator(r.c)) break; - } - if ((j = i)) { - do --j; - while (j && (l->buf[j] & 0300) == 0200); - r = GetUtf8(l->buf + j, l->len - j); - if (bestlineIsSeparator(r.c)) break; - } - } - return i; -} - -static void bestlineEditLeft(struct bestlineState *l) { - l->pos = Backward(l, l->pos); - bestlineRefreshLine(l); -} - -static void bestlineEditRight(struct bestlineState *l) { - if (l->pos == l->len) return; - do l->pos++; - while (l->pos < l->len && (l->buf[l->pos] & 0300) == 0200); - bestlineRefreshLine(l); -} - -static void bestlineEditLeftWord(struct bestlineState *l) { - l->pos = BackwardWord(l, l->pos); - bestlineRefreshLine(l); -} - -static void bestlineEditRightWord(struct bestlineState *l) { - l->pos = ForwardWord(l, l->pos); - bestlineRefreshLine(l); -} - -static void bestlineEditLeftExpr(struct bestlineState *l) { - int mark[2]; - l->pos = Backwards(l, l->pos, bestlineIsXeparator); - if (!bestlineEditMirrorLeft(l, mark)) { - l->pos = mark[0]; - } else { - l->pos = Backwards(l, l->pos, bestlineNotSeparator); - } - bestlineRefreshLine(l); -} - -static void bestlineEditRightExpr(struct bestlineState *l) { - int mark[2]; - l->pos = Forwards(l, l->pos, bestlineIsXeparator); - if (!bestlineEditMirrorRight(l, mark)) { - l->pos = Forward(l, mark[1]); - } else { - l->pos = Forwards(l, l->pos, bestlineNotSeparator); - } - bestlineRefreshLine(l); -} - -static void bestlineEditDelete(struct bestlineState *l) { - size_t i; - if (l->pos == l->len) return; - i = Forward(l, l->pos); - memmove(l->buf+l->pos, l->buf+i, l->len-i+1); - l->len -= i - l->pos; - bestlineRefreshLine(l); -} - -static void bestlineEditRubout(struct bestlineState *l) { - size_t i; - if (!l->pos) return; - i = Backward(l, l->pos); - memmove(l->buf+i, l->buf+l->pos, l->len-l->pos+1); - l->len -= l->pos - i; - l->pos = i; - bestlineRefreshLine(l); -} - -static void bestlineEditDeleteWord(struct bestlineState *l) { - size_t i; - if (l->pos == l->len) return; - i = ForwardWord(l, l->pos); - bestlineRingPush(l->buf + l->pos, i - l->pos); - memmove(l->buf + l->pos, l->buf + i, l->len - i + 1); - l->len -= i - l->pos; - bestlineRefreshLine(l); -} - -static void bestlineEditRuboutWord(struct bestlineState *l) { - size_t i; - if (!l->pos) return; - i = BackwardWord(l, l->pos); - bestlineRingPush(l->buf + i, l->pos - i); - memmove(l->buf + i, l->buf + l->pos, l->len - l->pos + 1); - l->len -= l->pos - i; - l->pos = i; - bestlineRefreshLine(l); -} - -static void bestlineEditXlatWord(struct bestlineState *l, unsigned xlat(unsigned)) { - unsigned c; - size_t i, j; - struct rune r; - struct abuf ab; - abInit(&ab); - i = Forwards(l, l->pos, bestlineIsSeparator); - for (j = i; j < l->len; j += r.n) { - r = GetUtf8(l->buf + j, l->len - j); - if (bestlineIsSeparator(r.c)) break; - if ((c = xlat(r.c)) != r.c) { - abAppendw(&ab, EncodeUtf8(c)); - } else { /* avoid canonicalization */ - abAppend(&ab, l->buf + j, r.n); - } - } - if (ab.len && bestlineGrow(l, i + ab.len + l->len - j + 1)) { - l->pos = i + ab.len; - abAppend(&ab, l->buf + j, l->len - j); - l->len = i + ab.len; - memcpy(l->buf + i, ab.b, ab.len + 1); - bestlineRefreshLine(l); - } - abFree(&ab); -} - -static void bestlineEditLowercaseWord(struct bestlineState *l) { - bestlineEditXlatWord(l, bestlineLowercase); -} - -static void bestlineEditUppercaseWord(struct bestlineState *l) { - bestlineEditXlatWord(l, bestlineUppercase); -} - -static void bestlineEditCapitalizeWord(struct bestlineState *l) { - iscapital = 0; - bestlineEditXlatWord(l, Capitalize); -} - -static void bestlineEditKillLeft(struct bestlineState *l) { - size_t diff, old_pos; - bestlineRingPush(l->buf, l->pos); - old_pos = l->pos; - l->pos = 0; - diff = old_pos - l->pos; - memmove(l->buf+l->pos,l->buf+old_pos,l->len-old_pos+1); - l->len -= diff; - bestlineRefreshLine(l); -} - -static void bestlineEditKillRight(struct bestlineState *l) { - bestlineRingPush(l->buf + l->pos, l->len - l->pos); - l->buf[l->pos] = '\0'; - l->len = l->pos; - bestlineRefreshLine(l); -} - -static void bestlineEditYank(struct bestlineState *l) { - char *p; - size_t n; - if (!ring.p[ring.i]) return; - n = strlen(ring.p[ring.i]); - if (!bestlineGrow(l, l->len + n + 1)) return; - if (!(p = (char *)malloc(l->len - l->pos + 1))) return; - memcpy(p, l->buf + l->pos, l->len - l->pos + 1); - memcpy(l->buf + l->pos, ring.p[ring.i], n); - memcpy(l->buf + l->pos + n, p, l->len - l->pos + 1); - free(p); - l->yi = l->pos; - l->yj = l->pos + n; - l->pos += n; - l->len += n; - bestlineRefreshLine(l); -} - -static void bestlineEditRotate(struct bestlineState *l) { - if ((l->seq[1][0] == Ctrl('Y') || - (l->seq[1][0] == 033 && l->seq[1][1] == 'y'))) { - if (l->yi < l->len && l->yj <= l->len) { - memmove(l->buf + l->yi, l->buf + l->yj, l->len - l->yj + 1); - l->len -= l->yj - l->yi; - l->pos -= l->yj - l->yi; - } - bestlineRingRotate(); - bestlineEditYank(l); - } -} - -static void bestlineEditTranspose(struct bestlineState *l) { - char *q, *p; - size_t a, b, c; - b = l->pos; - if (b == l->len) --b; - a = Backward(l, b); - c = Forward(l, b); - if (!(a < b && b < c)) return; - p = q = (char *)malloc(c - a); - p = Copy(p, l->buf + b, c - b); - p = Copy(p, l->buf + a, b - a); - assert((size_t)(p - q) == c - a); - memcpy(l->buf + a, q, p - q); - l->pos = c; - free(q); - bestlineRefreshLine(l); -} - -static void bestlineEditTransposeWords(struct bestlineState *l) { - char *q, *p; - size_t i, pi, xi, xj, yi, yj; - i = l->pos; - if (i == l->len) { - i = Backwards(l, i, bestlineIsSeparator); - i = Backwards(l, i, bestlineNotSeparator); - } - pi = EscapeWord(l, i); - xj = Backwards(l, pi, bestlineIsSeparator); - xi = Backwards(l, xj, bestlineNotSeparator); - yi = Forwards(l, pi, bestlineIsSeparator); - yj = Forwards(l, yi, bestlineNotSeparator); - if (!(xi < xj && xj < yi && yi < yj)) return; - p = q = (char *)malloc(yj - xi); - p = Copy(p, l->buf + yi, yj - yi); - p = Copy(p, l->buf + xj, yi - xj); - p = Copy(p, l->buf + xi, xj - xi); - assert((size_t)(p - q) == yj - xi); - memcpy(l->buf + xi, q, p - q); - l->pos = yj; - free(q); - bestlineRefreshLine(l); -} - -static void bestlineEditSqueeze(struct bestlineState *l) { - size_t i, j; - i = Backwards(l, l->pos, bestlineIsSeparator); - j = Forwards(l, l->pos, bestlineIsSeparator); - if (!(i < j)) return; - memmove(l->buf + i, l->buf + j, l->len - j + 1); - l->len -= j - i; - l->pos = i; - bestlineRefreshLine(l); -} - -static void bestlineEditMark(struct bestlineState *l) { - l->mark = l->pos; -} - -static void bestlineEditGoto(struct bestlineState *l) { - if (l->mark > l->len) return; - l->pos = Min(l->mark, l->len); - bestlineRefreshLine(l); -} - -static size_t bestlineEscape(char *d, const char *s, size_t n) { - char *p; - size_t i; - unsigned c, w, l; - for (p = d, l = i = 0; i < n; ++i) { - switch ((c = s[i] & 255)) { - Case('\a', w = Read16le("\\a")); - Case('\b', w = Read16le("\\b")); - Case('\t', w = Read16le("\\t")); - Case('\n', w = Read16le("\\n")); - Case('\v', w = Read16le("\\v")); - Case('\f', w = Read16le("\\f")); - Case('\r', w = Read16le("\\r")); - Case('"', w = Read16le("\\\"")); - Case('\'', w = Read16le("\\\'")); - Case('\\', w = Read16le("\\\\")); - default: - if (c <= 0x1F || c == 0x7F || - (c == '?' && l == '?')) { - w = Read16le("\\x"); - w |= "0123456789abcdef"[(c & 0xF0) >> 4] << 020; - w |= "0123456789abcdef"[(c & 0x0F) >> 0] << 030; - } else { - w = c; - } - break; - } - p[0] = (w & 0x000000ff) >> 000; - p[1] = (w & 0x0000ff00) >> 010; - p[2] = (w & 0x00ff0000) >> 020; - p[3] = (w & 0xff000000) >> 030; - p += (Bsr(w) >> 3) + 1; - l = w; - } - return p - d; -} - -static void bestlineEditInsertEscape(struct bestlineState *l) { - size_t m; - ssize_t n; - char seq[16]; - char esc[sizeof(seq) * 4]; - if ((n = bestlineRead(l->ifd, seq, sizeof(seq), l)) > 0) { - m = bestlineEscape(esc, seq, n); - bestlineEditInsert(l, esc, m); - } -} - -static void bestlineEditInterrupt(void) { - gotint = SIGINT; -} - -static void bestlineEditQuit(void) { - gotint = SIGQUIT; -} - -static void bestlineEditSuspend(void) { - raise(SIGSTOP); -} - -static void bestlineEditPause(struct bestlineState *l) { - tcflow(l->ofd, TCOOFF); - ispaused = 1; -} - -static void bestlineEditCtrlq(struct bestlineState *l) { - if (ispaused) { - bestlineUnpause(l->ofd); - bestlineRefreshLineForce(l); - } else { - bestlineEditInsertEscape(l); - } -} - -/** - * Moves last item inside current s-expression to outside, e.g. - * - * (a| b c) - * (a| b) c - * - * The cursor position changes only if a paren is moved before it: - * - * (a b c |) - * (a b) c | - * - * To accommodate non-LISP languages we connect unspaced outer symbols: - * - * f(a,| b, g()) - * f(a,| b), g() - * - * Our standard keybinding is ALT-SHIFT-B. - */ -static void bestlineEditBarf(struct bestlineState *l) { - struct rune r; - unsigned long w; - size_t i, pos, depth = 0; - unsigned lhs, rhs, end, *stack = 0; - /* go as far right within current s-expr as possible */ - for (pos = l->pos;; pos += r.n) { - if (pos == l->len) goto Finish; - r = GetUtf8(l->buf + pos, l->len - pos); - if (depth) { - if (r.c == stack[depth - 1]) { - --depth; - } - } else { - if ((rhs = bestlineMirrorRight(r.c))) { - stack = (unsigned *)realloc(stack, ++depth * sizeof(*stack)); - stack[depth - 1] = rhs; - } else if (bestlineMirrorLeft(r.c)) { - end = pos; - break; - } - } - } - /* go back one item */ - pos = Backwards(l, pos, bestlineIsXeparator); - for (;; pos = i) { - if (!pos) goto Finish; - i = Backward(l, pos); - r = GetUtf8(l->buf + i, l->len - i); - if (depth) { - if (r.c == stack[depth - 1]) { - --depth; - } - } else { - if ((lhs = bestlineMirrorLeft(r.c))) { - stack = (unsigned *)realloc(stack, ++depth * sizeof(*stack)); - stack[depth - 1] = lhs; - } else if (bestlineIsSeparator(r.c)) { - break; - } - } - } - pos = Backwards(l, pos, bestlineIsXeparator); - /* now move the text */ - r = GetUtf8(l->buf + end, l->len - end); - memmove(l->buf + pos + r.n, l->buf + pos, end - pos); - w = EncodeUtf8(r.c); - for (i = 0; i < r.n; ++i) { - l->buf[pos + i] = w; - w >>= 8; - } - if (l->pos > pos) { - l->pos += r.n; - } - bestlineRefreshLine(l); -Finish: - free(stack); -} - -/** - * Moves first item outside current s-expression to inside, e.g. - * - * (a| b) c d - * (a| b c) d - * - * To accommodate non-LISP languages we connect unspaced outer symbols: - * - * f(a,| b), g() - * f(a,| b, g()) - * - * Our standard keybinding is ALT-SHIFT-S. - */ -static void bestlineEditSlurp(struct bestlineState *l) { - char rp[6]; - struct rune r; - size_t pos, depth = 0; - unsigned rhs, point = 0, start = 0, *stack = 0; - /* go to outside edge of current s-expr */ - for (pos = l->pos; pos < l->len; pos += r.n) { - r = GetUtf8(l->buf + pos, l->len - pos); - if (depth) { - if (r.c == stack[depth - 1]) { - --depth; - } - } else { - if ((rhs = bestlineMirrorRight(r.c))) { - stack = (unsigned *)realloc(stack, ++depth * sizeof(*stack)); - stack[depth - 1] = rhs; - } else if (bestlineMirrorLeft(r.c)) { - point = pos; - pos += r.n; - start = pos; - break; - } - } - } - /* go forward one item */ - pos = Forwards(l, pos, bestlineIsXeparator); - for (; pos < l->len ; pos += r.n) { - r = GetUtf8(l->buf + pos, l->len - pos); - if (depth) { - if (r.c == stack[depth - 1]) { - --depth; - } - } else { - if ((rhs = bestlineMirrorRight(r.c))) { - stack = (unsigned *)realloc(stack, ++depth * sizeof(*stack)); - stack[depth - 1] = rhs; - } else if (bestlineIsSeparator(r.c)) { - break; - } - } - } - /* now move the text */ - memcpy(rp, l->buf + point, start - point); - memmove(l->buf + point, l->buf + start, pos - start); - memcpy(l->buf + pos - (start - point), rp, start - point); - bestlineRefreshLine(l); - free(stack); -} - -static void bestlineEditRaise(struct bestlineState *l) { - (void)l; -} - -/** - * Runs bestline engine. - * - * This function is the core of the line editing capability of bestline. - * It expects 'fd' to be already in "raw mode" so that every key pressed - * will be returned ASAP to read(). - * - * The resulting string is put into 'buf' when the user type enter, or - * when ctrl+d is typed. - * - * Returns chomped character count in buf >=0 or -1 on eof / error - */ -static ssize_t bestlineEdit(int stdin_fd, int stdout_fd, const char *prompt, - char **obuf) { - ssize_t rc; - size_t nread; - struct rune rune; - char *p, seq[16]; - unsigned long long w; - struct bestlineState l; - memset(&l,0,sizeof(l)); - if (!(l.buf = (char *)malloc((l.buflen = 32)))) return -1; - l.buf[0] = 0; - l.ifd = stdin_fd; - l.ofd = stdout_fd; - l.prompt = prompt ? prompt : ""; - l.ws = GetTerminalSize(l.ws,l.ifd,l.ofd); - bestlineHistoryAdd(""); - bestlineWriteStr(l.ofd,l.prompt); - while (1) { - if (l.dirty) bestlineRefreshLineForce(&l); - rc = bestlineRead(l.ifd,seq,sizeof(seq),&l); - if (rc > 0) { - if (seq[0] == Ctrl('R')) { - rc = bestlineSearch(&l,seq,sizeof(seq)); - if (!rc) continue; - } else if (seq[0] == '\t' && completionCallback) { - rc = bestlineCompleteLine(&l,seq,sizeof(seq)); - if (!rc) continue; - } - } - if (rc > 0) { - nread = rc; - } else if (!rc && l.len) { - nread = 1; - seq[0] = '\r'; - seq[1] = 0; - } else { - free(history[--historylen]); - history[historylen] = 0; - free(l.buf); - return -1; - } - switch (seq[0]) { - Case(Ctrl('P'), bestlineEditUp(&l)); - Case(Ctrl('E'), bestlineEditEnd(&l)); - Case(Ctrl('N'), bestlineEditDown(&l)); - Case(Ctrl('A'), bestlineEditHome(&l)); - Case(Ctrl('B'), bestlineEditLeft(&l)); - Case(Ctrl('@'), bestlineEditMark(&l)); - Case(Ctrl('Y'), bestlineEditYank(&l)); - Case(Ctrl('Q'), bestlineEditCtrlq(&l)); - Case(Ctrl('F'), bestlineEditRight(&l)); - Case(Ctrl('\\'), bestlineEditQuit()); - Case(Ctrl('S'), bestlineEditPause(&l)); - Case(Ctrl('?'), bestlineEditRubout(&l)); - Case(Ctrl('H'), bestlineEditRubout(&l)); - Case(Ctrl('L'), bestlineEditRefresh(&l)); - Case(Ctrl('Z'), bestlineEditSuspend()); - Case(Ctrl('U'), bestlineEditKillLeft(&l)); - Case(Ctrl('T'), bestlineEditTranspose(&l)); - Case(Ctrl('K'), bestlineEditKillRight(&l)); - Case(Ctrl('W'), bestlineEditRuboutWord(&l)); - case Ctrl('C'): - if (bestlineRead(l.ifd,seq,sizeof(seq),&l) != 1) break; - switch (seq[0]) { - Case(Ctrl('C'), bestlineEditInterrupt()); - Case(Ctrl('B'), bestlineEditBarf(&l)); - Case(Ctrl('S'), bestlineEditSlurp(&l)); - Case(Ctrl('R'), bestlineEditRaise(&l)); - default: - break; - } - break; - case Ctrl('X'): - if (l.seq[1][0] == Ctrl('X')) { - bestlineEditGoto(&l); - } - break; - case Ctrl('D'): - if (l.len) { - bestlineEditDelete(&l); - } else { - free(history[--historylen]); - history[historylen] = 0; - free(l.buf); - return -1; - } - break; - case '\r': - l.final = 1; - free(history[--historylen]); - history[historylen] = 0; - bestlineEditEnd(&l); - bestlineRefreshLineForce(&l); - if ((p = (char *)realloc(l.buf, l.len + 1))) l.buf = p; - *obuf = l.buf; - return l.len; - case 033: - if (nread < 2) break; - switch (seq[1]) { - Case('<', bestlineEditBof(&l)); - Case('>', bestlineEditEof(&l)); - Case('B', bestlineEditBarf(&l)); - Case('S', bestlineEditSlurp(&l)); - Case('R', bestlineEditRaise(&l)); - Case('y', bestlineEditRotate(&l)); - Case('\\', bestlineEditSqueeze(&l)); - Case('b', bestlineEditLeftWord(&l)); - Case('f', bestlineEditRightWord(&l)); - Case('h', bestlineEditRuboutWord(&l)); - Case('d', bestlineEditDeleteWord(&l)); - Case('l', bestlineEditLowercaseWord(&l)); - Case('u', bestlineEditUppercaseWord(&l)); - Case('c', bestlineEditCapitalizeWord(&l)); - Case('t', bestlineEditTransposeWords(&l)); - Case(Ctrl('B'), bestlineEditLeftExpr(&l)); - Case(Ctrl('F'), bestlineEditRightExpr(&l)); - Case(Ctrl('H'), bestlineEditRuboutWord(&l)); - case '[': - if (nread < 3) break; - if (seq[2] >= '0' && seq[2] <= '9') { - if (nread < 4) break; - if (seq[3] == '~') { - switch (seq[2]) { - Case('1', bestlineEditHome(&l)); /* \e[1~ */ - Case('3', bestlineEditDelete(&l)); /* \e[3~ */ - Case('4', bestlineEditEnd(&l)); /* \e[4~ */ - default: - break; - } - } - } else { - switch (seq[2]) { - Case('A', bestlineEditUp(&l)); - Case('B', bestlineEditDown(&l)); - Case('C', bestlineEditRight(&l)); - Case('D', bestlineEditLeft(&l)); - Case('H', bestlineEditHome(&l)); - Case('F', bestlineEditEnd(&l)); - default: - break; - } - } - break; - case 'O': - if (nread < 3) break; - switch (seq[2]) { - Case('A', bestlineEditUp(&l)); - Case('B', bestlineEditDown(&l)); - Case('C', bestlineEditRight(&l)); - Case('D', bestlineEditLeft(&l)); - Case('H', bestlineEditHome(&l)); - Case('F', bestlineEditEnd(&l)); - default: - break; - } - break; - case 033: - if (nread < 3) break; - switch (seq[2]) { - case '[': - if (nread < 4) break; - switch (seq[3]) { - Case('C', bestlineEditRightExpr(&l)); /* \e\e[C alt-right */ - Case('D', bestlineEditLeftExpr(&l)); /* \e\e[D alt-left */ - default: - break; - } - break; - case 'O': - if (nread < 4) break; - switch (seq[3]) { - Case('C', bestlineEditRightExpr(&l)); /* \e\eOC alt-right */ - Case('D', bestlineEditLeftExpr(&l)); /* \e\eOD alt-left */ - default: - break; - } - break; - default: - break; - } - break; - default: - break; - } - break; - default: - if (!IsControl(seq[0])) { /* only sees canonical c0 */ - if (xlatCallback) { - rune = GetUtf8(seq,nread); - w = EncodeUtf8(xlatCallback(rune.c)); - nread = 0; - do { - seq[nread++] = w; - } while ((w >>= 8)); - } - bestlineEditInsert(&l,seq,nread); - } - break; - } - } -} - -void bestlineFree(void *ptr) { - free(ptr); -} - -void bestlineHistoryFree(void) { - size_t i; - for (i = 0; i < BESTLINE_MAX_HISTORY; i++) { - if (history[i]) { - free(history[i]); - history[i] = 0; - } - } - historylen = 0; -} - -static void bestlineAtExit(void) { - bestlineDisableRawMode(); - bestlineHistoryFree(); - bestlineRingFree(); -} - -int bestlineHistoryAdd(const char *line) { - char *linecopy; - if (!BESTLINE_MAX_HISTORY) return 0; - if (historylen && !strcmp(history[historylen-1], line)) return 0; - if (!(linecopy = strdup(line))) return 0; - if (historylen == BESTLINE_MAX_HISTORY) { - free(history[0]); - memmove(history,history+1,sizeof(char*)*(BESTLINE_MAX_HISTORY-1)); - historylen--; - } - history[historylen++] = linecopy; - return 1; -} - -/** - * Saves line editing history to file. - * - * @return 0 on success, or -1 w/ errno - */ -int bestlineHistorySave(const char *filename) { - FILE *fp; - unsigned j; - mode_t old_umask; - old_umask = umask(S_IXUSR|S_IRWXG|S_IRWXO); - fp = fopen(filename,"w"); - umask(old_umask); - if (!fp) return -1; - chmod(filename,S_IRUSR|S_IWUSR); - for (j = 0; j < historylen; j++) { - fputs(history[j],fp); - fputc('\n',fp); - } - fclose(fp); - return 0; -} - -/** - * Loads history from the specified file. - * - * If the file doesn't exist, zero is returned and this will do nothing. - * If the file does exists and the operation succeeded zero is returned - * otherwise on error -1 is returned. - * - * @return 0 on success, or -1 w/ errno - */ -int bestlineHistoryLoad(const char *filename) { - char **h; - int rc, fd, err; - size_t i, j, k, n, t; - char *m, *e, *p, *q, *f, *s; - err = errno, rc = 0; - if (!BESTLINE_MAX_HISTORY) return 0; - if (!(h = (char**)calloc(2*BESTLINE_MAX_HISTORY,sizeof(char*)))) return -1; - if ((fd = open(filename,O_RDONLY)) != -1) { - if ((n = GetFdSize(fd))) { - if ((m = (char *)mmap(0,n,PROT_READ,MAP_SHARED,fd,0))!=MAP_FAILED) { - for (i = 0, e = (p = m) + n; p < e; p = f + 1) { - if (!(q = (char *)memchr(p, '\n', e - p))) q = e; - for (f = q; q > p; --q) { - if (q[-1] != '\n' && q[-1] != '\r') break; - } - if (q > p) { - h[i * 2 + 0] = p; - h[i * 2 + 1] = q; - i = (i + 1) % BESTLINE_MAX_HISTORY; - } - } - bestlineHistoryFree(); - for (j = 0; j < BESTLINE_MAX_HISTORY; ++j) { - if (h[(k = (i + j) % BESTLINE_MAX_HISTORY) * 2]) { - if ((s = (char *)malloc((t=h[k*2+1]-h[k*2])+1))) { - memcpy(s,h[k*2],t),s[t]=0; - history[historylen++] = s; - } - } - } - munmap(m,n); - } else { - rc = -1; - } - } - close(fd); - } else if (errno == ENOENT) { - errno = err; - } else { - rc = -1; - } - free(h); - return rc; -} - -/** - * Reads line interactively. - * - * This function can be used instead of bestline() in cases where we - * know for certain we're dealing with a terminal, which means we can - * avoid linking any stdio code. - * - * @return chomped allocated string of read line or null on eof/error - */ -char *bestlineRaw(const char *prompt, int infd, int outfd) { - char *buf; - ssize_t rc; - static char once; - struct sigaction sa[3]; - if (!once) atexit(bestlineAtExit), once = 1; - if (enableRawMode(infd) == -1) return 0; - buf = 0; - gotint = 0; - sigemptyset(&sa->sa_mask); - sa->sa_flags = 0; - sa->sa_handler = bestlineOnInt; - sigaction(SIGINT,sa,sa+1); - sigaction(SIGQUIT,sa,sa+2); - rc = bestlineEdit(infd,outfd,prompt,&buf); - bestlineDisableRawMode(); - sigaction(SIGQUIT,sa+2,0); - sigaction(SIGINT,sa+1,0); - if (gotint) { - free(buf); - buf = 0; - raise(gotint); - errno = EINTR; - rc = -1; - } - if (rc != -1) { - bestlineWriteStr(outfd,"\n"); - return buf; - } else { - free(buf); - return 0; - } -} - -/** - * Reads line intelligently. - * - * The high level function that is the main API of the bestline library. - * This function checks if the terminal has basic capabilities, just checking - * for a blacklist of inarticulate terminals, and later either calls the line - * editing function or uses dummy fgets() so that you will be able to type - * something even in the most desperate of the conditions. - * - * @param prompt is printed before asking for input if we have a term - * and this may be set to empty or null to disable and prompt may - * contain ansi escape sequences, color, utf8, etc. - * @return chomped allocated string of read line or null on eof/error - */ -char *bestline(const char *prompt) { - if (prompt && *prompt && - (strchr(prompt, '\n') || strchr(prompt, '\t') || - strchr(prompt + 1, '\r'))) { - errno = EINVAL; - return 0; - } - if ((!isatty(fileno(stdin)) || - !isatty(fileno(stdout)))) { - if (prompt && *prompt && (IsCharDev(fileno(stdin)) && - IsCharDev(fileno(stdout)))) { - fputs(prompt,stdout); - fflush(stdout); - } - return GetLine(stdin, stdout); - } else if (bestlineIsUnsupportedTerm()) { - if (prompt && *prompt) { - fputs(prompt,stdout); - fflush(stdout); - } - return GetLine(stdin, stdout); - } else { - fflush(stdout); - return bestlineRaw(prompt,fileno(stdin),fileno(stdout)); - } -} - -/** - * Reads line intelligently w/ history, e.g. - * - * // see ~/.foo_history - * main() { - * char *line; - * while ((line = bestlineWithHistory("IN> ", "foo"))) { - * printf("OUT> %s\n", line); - * free(line); - * } - * } - * - * @param prompt is printed before asking for input if we have a term - * and this may be set to empty or null to disable and prompt may - * contain ansi escape sequences, color, utf8, etc. - * @param prog is name of your app, used to generate history filename - * however if it contains a slash / dot then we'll assume prog is - * the history filename which as determined by the caller - * @return chomped allocated string of read line or null on eof/error - */ -char *bestlineWithHistory(const char *prompt, const char *prog) { - char *line; - struct abuf path; - const char *a, *b; - abInit(&path); - if (prog) { - if (strchr(prog, '/') || strchr(prog, '.')) { - abAppends(&path, prog); - } else { - b = ""; - if (!(a = getenv("HOME"))) { - if (!(a = getenv("HOMEDRIVE")) || - !(b = getenv("HOMEPATH"))) { - a = ""; - } - } - if (*a) { - abAppends(&path, a); - abAppends(&path, b); - abAppendw(&path, '/'); - } - abAppendw(&path, '.'); - abAppends(&path, prog); - abAppends(&path, "_history"); - } - } - if (path.len) { - bestlineHistoryLoad(path.b); - } - line = bestline(prompt); - if (path.len && line && *line) { - /* history here is inefficient but helpful when the user has multiple - * repls open at the same time, so history propagates between them */ - bestlineHistoryLoad(path.b); - bestlineHistoryAdd(line); - bestlineHistorySave(path.b); - } - abFree(&path); - return line; -} - -/** - * Registers tab completion callback. - */ -void bestlineSetCompletionCallback(bestlineCompletionCallback *fn) { - completionCallback = fn; -} - -/** - * Registers hints callback. - * - * Register a hits function to be called to show hits to the user at the - * right of the prompt. - */ -void bestlineSetHintsCallback(bestlineHintsCallback *fn) { - hintsCallback = fn; -} - -/** - * Sets free hints callback. - * - * This registers a function to free the hints returned by the hints - * callback registered with bestlineSetHintsCallback(). - */ -void bestlineSetFreeHintsCallback(bestlineFreeHintsCallback *fn) { - freeHintsCallback = fn; -} - -/** - * Sets character translation callback. - */ -void bestlineSetXlatCallback(bestlineXlatCallback *fn) { - xlatCallback = fn; -} - -/** - * Adds completion. - * - * This function is used by the callback function registered by the user - * in order to add completion options given the input string when the - * user typed . See the example.c source code for a very easy to - * understand example. - */ -void bestlineAddCompletion(bestlineCompletions *lc, const char *str) { - size_t len; - char *copy, **cvec; - if ((copy = (char *)malloc((len = strlen(str))+1))) { - memcpy(copy,str,len+1); - if ((cvec = (char **)realloc(lc->cvec,(lc->len+1)*sizeof(*lc->cvec)))) { - lc->cvec = cvec; - lc->cvec[lc->len++] = copy; - } else { - free(copy); - } - } -} - -/** - * Frees list of completion option populated by bestlineAddCompletion(). - */ -void bestlineFreeCompletions(bestlineCompletions *lc) { - size_t i; - for (i = 0; i < lc->len; i++) - free(lc->cvec[i]); - if (lc->cvec) - free(lc->cvec); -} - -/** - * Enables "mask mode". - * - * When it is enabled, instead of the input that the user is typing, the - * terminal will just display a corresponding number of asterisks, like - * "****". This is useful for passwords and other secrets that should - * not be displayed. - * - * @see bestlineMaskModeDisable() - */ -void bestlineMaskModeEnable(void) { - maskmode = 1; -} - -/** - * Disables "mask mode". - */ -void bestlineMaskModeDisable(void) { - maskmode = 0; -} diff --git a/lib/bestline/bestline.h b/lib/bestline/bestline.h deleted file mode 100644 index d8d01a1..0000000 --- a/lib/bestline/bestline.h +++ /dev/null @@ -1,39 +0,0 @@ -#pragma once - -typedef struct bestlineCompletions { - unsigned long len; - char **cvec; -} bestlineCompletions; - -typedef void(bestlineCompletionCallback)(const char *, bestlineCompletions *); -typedef char *(bestlineHintsCallback)(const char *, const char **, - const char **); -typedef void(bestlineFreeHintsCallback)(void *); -typedef unsigned(bestlineXlatCallback)(unsigned); - -void bestlineSetCompletionCallback(bestlineCompletionCallback *); -void bestlineSetHintsCallback(bestlineHintsCallback *); -void bestlineSetFreeHintsCallback(bestlineFreeHintsCallback *); -void bestlineAddCompletion(bestlineCompletions *, const char *); -void bestlineSetXlatCallback(bestlineXlatCallback *); - -char *bestline(const char *); -char *bestlineRaw(const char *, int, int); -char *bestlineWithHistory(const char *, const char *); -int bestlineHistoryAdd(const char *); -int bestlineHistorySave(const char *); -int bestlineHistoryLoad(const char *); -void bestlineFreeCompletions(bestlineCompletions *); -void bestlineHistoryFree(void); -void bestlineClearScreen(int); -void bestlineMaskModeEnable(void); -void bestlineMaskModeDisable(void); -void bestlineDisableRawMode(void); -void bestlineFree(void *); - -char bestlineIsSeparator(unsigned); -char bestlineNotSeparator(unsigned); -char bestlineIsXeparator(unsigned); -unsigned bestlineUppercase(unsigned); -unsigned bestlineLowercase(unsigned); -long bestlineReadCharacter(int, char *, unsigned long); diff --git a/lib/bestline/example.c b/lib/bestline/example.c deleted file mode 100644 index adce021..0000000 --- a/lib/bestline/example.c +++ /dev/null @@ -1,79 +0,0 @@ -#include "bestline.h" - -#ifndef __COSMOPOLITAN__ -#include -#include -#include -#endif - -#if 0 -// should be ~50kb statically linked -// will save history to ~/.foo_history -// cc -fno-jump-tables -Os -o foo foo.c bestline.c -int main() { - char *line; - while ((line = bestlineWithHistory("IN> ", "foo"))) { - fputs("OUT> ", stdout); - fputs(line, stdout); - fputs("\n", stdout); - free(line); - } -} -#endif - -void completion(const char *buf, bestlineCompletions *lc) { - if (buf[0] == 'h') { - bestlineAddCompletion(lc,"hello"); - bestlineAddCompletion(lc,"hello there"); - } -} - -char *hints(const char *buf, const char **ansi1, const char **ansi2) { - if (!strcmp(buf,"hello")) { - *ansi1 = "\033[35m"; /* magenta foreground */ - *ansi2 = "\033[39m"; /* reset foreground */ - return " World"; - } - return NULL; -} - -int main(int argc, char **argv) { - char *line; - - /* Set the completion callback. This will be called every time the - * user uses the key. */ - bestlineSetCompletionCallback(completion); - bestlineSetHintsCallback(hints); - - /* Load history from file. The history file is just a plain text file - * where entries are separated by newlines. */ - bestlineHistoryLoad("history.txt"); /* Load the history at startup */ - - /* Now this is the main loop of the typical bestline-based application. - * The call to bestline() will block as long as the user types something - * and presses enter. - * - * The typed string is returned as a malloc() allocated string by - * bestline, so the user needs to free() it. */ - - while((line = bestline("hello> ")) != NULL) { - /* Do something with the string. */ - if (line[0] != '\0' && line[0] != '/') { - fputs("echo: '", stdout); - fputs(line, stdout); - fputs("'\n", stdout); - bestlineHistoryAdd(line); /* Add to the history. */ - bestlineHistorySave("history.txt"); /* Save the history on disk. */ - } else if (!strncmp(line, "/mask", 5)) { - bestlineMaskModeEnable(); - } else if (!strncmp(line, "/unmask", 7)) { - bestlineMaskModeDisable(); - } else if (line[0] == '/') { - fputs("Unreconized command: ", stdout); - fputs(line, stdout); - fputs("\n", stdout); - } - free(line); - } - return 0; -} diff --git a/scripts/linux.mk b/scripts/linux.mk index 89a9b8c..a9b62b5 100644 --- a/scripts/linux.mk +++ b/scripts/linux.mk @@ -2,5 +2,4 @@ CC=gcc CXX=g++ CPPFLAGS:=$(CPPFLAGS) -D __LINUX_ALSA__ -D LINK_PLATFORM_LINUX LDLIBS:=-lasound $(LDLIBS) -static-libgcc -static-libstdc++ -Bestline=bin/$(os)/bestline.o Target=musique diff --git a/scripts/macos.mk b/scripts/macos.mk index b7d1699..dabe07b 100644 --- a/scripts/macos.mk +++ b/scripts/macos.mk @@ -3,5 +3,4 @@ CXX=clang++ CPPFLAGS:=$(CPPFLAGS) -D __MACOSX_CORE__ -D LINK_PLATFORM_MACOSX LDLIBS:=-framework CoreMIDI -framework CoreAudio -framework CoreFoundation $(LDLIBS) Release_Obj=$(addprefix bin/,$(Obj)) -Bestline=bin/$(os)/bestline.o Target=musique