| /* |
| * linenoise.hpp -- Multi-platfrom C++ header-only linenoise library. |
| * |
| * All credits and commendations have to go to the authors of the |
| * following excellent libraries. |
| * |
| * - linenoise.h and linenose.c (https://github.com/antirez/linenoise) |
| * - ANSI.c (https://github.com/adoxa/ansicon) |
| * - Win32_ANSI.h and Win32_ANSI.c (https://github.com/MSOpenTech/redis) |
| * |
| * ------------------------------------------------------------------------ |
| * |
| * Copyright (c) 2015 yhirose |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * 2. 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 OWNER 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. |
| */ |
| |
| /* linenoise.h -- guerrilla line editing library against the idea that a |
| * line editing lib needs to be 20,000 lines of C code. |
| * |
| * See linenoise.c for more information. |
| * |
| * ------------------------------------------------------------------------ |
| * |
| * Copyright (c) 2010, Salvatore Sanfilippo <antirez at gmail dot com> |
| * Copyright (c) 2010, Pieter Noordhuis <pcnoordhuis at gmail dot com> |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /* |
| * ANSI.c - ANSI escape sequence console driver. |
| * |
| * Copyright (C) 2005-2014 Jason Hood |
| * This software is provided 'as-is', without any express or implied |
| * warranty. In no event will the author be held liable for any damages |
| * arising from the use of this software. |
| * |
| * Permission is granted to anyone to use this software for any purpose, |
| * including commercial applications, and to alter it and redistribute it |
| * freely, subject to the following restrictions: |
| * |
| * 1. The origin of this software must not be misrepresented; you must not |
| * claim that you wrote the original software. If you use this software |
| * in a product, an acknowledgment in the product documentation would be |
| * appreciated but is not required. |
| * 2. Altered source versions must be plainly marked as such, and must not be |
| * misrepresented as being the original software. |
| * 3. This notice may not be removed or altered from any source distribution. |
| * |
| * Jason Hood |
| * jadoxa@yahoo.com.au |
| */ |
| |
| /* |
| * Win32_ANSI.h and Win32_ANSI.c |
| * |
| * Derived from ANSI.c by Jason Hood, from his ansicon project (https://github.com/adoxa/ansicon), with modifications. |
| * |
| * Copyright (c), Microsoft Open Technologies, Inc. |
| * 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. |
| */ |
| |
| #ifndef LINENOISE_HPP |
| #define LINENOISE_HPP |
| |
| #ifndef _WIN32 |
| #include <termios.h> |
| #include <unistd.h> |
| #include <sys/ioctl.h> |
| #else |
| #ifndef NOMINMAX |
| #define NOMINMAX |
| #endif |
| #include <Windows.h> |
| #include <io.h> |
| #ifndef STDIN_FILENO |
| #define STDIN_FILENO (_fileno(stdin)) |
| #endif |
| #ifndef STDOUT_FILENO |
| #define STDOUT_FILENO 1 |
| #endif |
| #define isatty _isatty |
| #define write win32_write |
| #define read _read |
| #endif |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <ctype.h> |
| #include <sys/types.h> |
| #include <string> |
| #include <fstream> |
| #include <functional> |
| #include <vector> |
| #include <iostream> |
| |
| namespace linenoise { |
| |
| typedef std::function<void (const char*, std::vector<std::string>&)> CompletionCallback; |
| |
| #ifdef _WIN32 |
| |
| namespace ansi { |
| |
| #define lenof(array) (sizeof(array)/sizeof(*(array))) |
| |
| typedef struct |
| { |
| BYTE foreground; // ANSI base color (0 to 7; add 30) |
| BYTE background; // ANSI base color (0 to 7; add 40) |
| BYTE bold; // console FOREGROUND_INTENSITY bit |
| BYTE underline; // console BACKGROUND_INTENSITY bit |
| BYTE rvideo; // swap foreground/bold & background/underline |
| BYTE concealed; // set foreground/bold to background/underline |
| BYTE reverse; // swap console foreground & background attributes |
| } GRM, *PGRM; // Graphic Rendition Mode |
| |
| |
| inline bool is_digit(char c) { return '0' <= c && c <= '9'; } |
| |
| // ========== Global variables and constants |
| |
| HANDLE hConOut; // handle to CONOUT$ |
| |
| const char ESC = '\x1B'; // ESCape character |
| const char BEL = '\x07'; |
| const char SO = '\x0E'; // Shift Out |
| const char SI = '\x0F'; // Shift In |
| |
| const int MAX_ARG = 16; // max number of args in an escape sequence |
| int state; // automata state |
| WCHAR prefix; // escape sequence prefix ( '[', ']' or '(' ); |
| WCHAR prefix2; // secondary prefix ( '?' or '>' ); |
| WCHAR suffix; // escape sequence suffix |
| int es_argc; // escape sequence args count |
| int es_argv[MAX_ARG]; // escape sequence args |
| WCHAR Pt_arg[MAX_PATH * 2]; // text parameter for Operating System Command |
| int Pt_len; |
| BOOL shifted; |
| |
| |
| // DEC Special Graphics Character Set from |
| // http://vt100.net/docs/vt220-rm/table2-4.html |
| // Some of these may not look right, depending on the font and code page (in |
| // particular, the Control Pictures probably won't work at all). |
| const WCHAR G1[] = |
| { |
| ' ', // _ - blank |
| L'\x2666', // ` - Black Diamond Suit |
| L'\x2592', // a - Medium Shade |
| L'\x2409', // b - HT |
| L'\x240c', // c - FF |
| L'\x240d', // d - CR |
| L'\x240a', // e - LF |
| L'\x00b0', // f - Degree Sign |
| L'\x00b1', // g - Plus-Minus Sign |
| L'\x2424', // h - NL |
| L'\x240b', // i - VT |
| L'\x2518', // j - Box Drawings Light Up And Left |
| L'\x2510', // k - Box Drawings Light Down And Left |
| L'\x250c', // l - Box Drawings Light Down And Right |
| L'\x2514', // m - Box Drawings Light Up And Right |
| L'\x253c', // n - Box Drawings Light Vertical And Horizontal |
| L'\x00af', // o - SCAN 1 - Macron |
| L'\x25ac', // p - SCAN 3 - Black Rectangle |
| L'\x2500', // q - SCAN 5 - Box Drawings Light Horizontal |
| L'_', // r - SCAN 7 - Low Line |
| L'_', // s - SCAN 9 - Low Line |
| L'\x251c', // t - Box Drawings Light Vertical And Right |
| L'\x2524', // u - Box Drawings Light Vertical And Left |
| L'\x2534', // v - Box Drawings Light Up And Horizontal |
| L'\x252c', // w - Box Drawings Light Down And Horizontal |
| L'\x2502', // x - Box Drawings Light Vertical |
| L'\x2264', // y - Less-Than Or Equal To |
| L'\x2265', // z - Greater-Than Or Equal To |
| L'\x03c0', // { - Greek Small Letter Pi |
| L'\x2260', // | - Not Equal To |
| L'\x00a3', // } - Pound Sign |
| L'\x00b7', // ~ - Middle Dot |
| }; |
| |
| #define FIRST_G1 '_' |
| #define LAST_G1 '~' |
| |
| |
| // color constants |
| |
| #define FOREGROUND_BLACK 0 |
| #define FOREGROUND_WHITE FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_BLUE |
| |
| #define BACKGROUND_BLACK 0 |
| #define BACKGROUND_WHITE BACKGROUND_RED|BACKGROUND_GREEN|BACKGROUND_BLUE |
| |
| const BYTE foregroundcolor[8] = |
| { |
| FOREGROUND_BLACK, // black foreground |
| FOREGROUND_RED, // red foreground |
| FOREGROUND_GREEN, // green foreground |
| FOREGROUND_RED | FOREGROUND_GREEN, // yellow foreground |
| FOREGROUND_BLUE, // blue foreground |
| FOREGROUND_BLUE | FOREGROUND_RED, // magenta foreground |
| FOREGROUND_BLUE | FOREGROUND_GREEN, // cyan foreground |
| FOREGROUND_WHITE // white foreground |
| }; |
| |
| const BYTE backgroundcolor[8] = |
| { |
| BACKGROUND_BLACK, // black background |
| BACKGROUND_RED, // red background |
| BACKGROUND_GREEN, // green background |
| BACKGROUND_RED | BACKGROUND_GREEN, // yellow background |
| BACKGROUND_BLUE, // blue background |
| BACKGROUND_BLUE | BACKGROUND_RED, // magenta background |
| BACKGROUND_BLUE | BACKGROUND_GREEN, // cyan background |
| BACKGROUND_WHITE, // white background |
| }; |
| |
| const BYTE attr2ansi[8] = // map console attribute to ANSI number |
| { |
| 0, // black |
| 4, // blue |
| 2, // green |
| 6, // cyan |
| 1, // red |
| 5, // magenta |
| 3, // yellow |
| 7 // white |
| }; |
| |
| GRM grm; |
| |
| // saved cursor position |
| COORD SavePos; |
| |
| // ========== Print Buffer functions |
| |
| #define BUFFER_SIZE 2048 |
| |
| int nCharInBuffer; |
| WCHAR ChBuffer[BUFFER_SIZE]; |
| |
| //----------------------------------------------------------------------------- |
| // FlushBuffer() |
| // Writes the buffer to the console and empties it. |
| //----------------------------------------------------------------------------- |
| |
| inline void FlushBuffer(void) |
| { |
| DWORD nWritten; |
| if (nCharInBuffer <= 0) return; |
| WriteConsoleW(hConOut, ChBuffer, nCharInBuffer, &nWritten, NULL); |
| nCharInBuffer = 0; |
| } |
| |
| //----------------------------------------------------------------------------- |
| // PushBuffer( WCHAR c ) |
| // Adds a character in the buffer. |
| //----------------------------------------------------------------------------- |
| |
| inline void PushBuffer(WCHAR c) |
| { |
| if (shifted && c >= FIRST_G1 && c <= LAST_G1) |
| c = G1[c - FIRST_G1]; |
| ChBuffer[nCharInBuffer] = c; |
| if (++nCharInBuffer == BUFFER_SIZE) |
| FlushBuffer(); |
| } |
| |
| //----------------------------------------------------------------------------- |
| // SendSequence( LPCWSTR seq ) |
| // Send the string to the input buffer. |
| //----------------------------------------------------------------------------- |
| |
| inline void SendSequence(LPCWSTR seq) |
| { |
| DWORD out; |
| INPUT_RECORD in; |
| HANDLE hStdIn = GetStdHandle(STD_INPUT_HANDLE); |
| |
| in.EventType = KEY_EVENT; |
| in.Event.KeyEvent.bKeyDown = TRUE; |
| in.Event.KeyEvent.wRepeatCount = 1; |
| in.Event.KeyEvent.wVirtualKeyCode = 0; |
| in.Event.KeyEvent.wVirtualScanCode = 0; |
| in.Event.KeyEvent.dwControlKeyState = 0; |
| for (; *seq; ++seq) |
| { |
| in.Event.KeyEvent.uChar.UnicodeChar = *seq; |
| WriteConsoleInput(hStdIn, &in, 1, &out); |
| } |
| } |
| |
| // ========== Print functions |
| |
| //----------------------------------------------------------------------------- |
| // InterpretEscSeq() |
| // Interprets the last escape sequence scanned by ParseAndPrintANSIString |
| // prefix escape sequence prefix |
| // es_argc escape sequence args count |
| // es_argv[] escape sequence args array |
| // suffix escape sequence suffix |
| // |
| // for instance, with \e[33;45;1m we have |
| // prefix = '[', |
| // es_argc = 3, es_argv[0] = 33, es_argv[1] = 45, es_argv[2] = 1 |
| // suffix = 'm' |
| //----------------------------------------------------------------------------- |
| |
| inline void InterpretEscSeq(void) |
| { |
| int i; |
| WORD attribut; |
| CONSOLE_SCREEN_BUFFER_INFO Info; |
| CONSOLE_CURSOR_INFO CursInfo; |
| DWORD len, NumberOfCharsWritten; |
| COORD Pos; |
| SMALL_RECT Rect; |
| CHAR_INFO CharInfo; |
| |
| if (prefix == '[') |
| { |
| if (prefix2 == '?' && (suffix == 'h' || suffix == 'l')) |
| { |
| if (es_argc == 1 && es_argv[0] == 25) |
| { |
| GetConsoleCursorInfo(hConOut, &CursInfo); |
| CursInfo.bVisible = (suffix == 'h'); |
| SetConsoleCursorInfo(hConOut, &CursInfo); |
| return; |
| } |
| } |
| // Ignore any other \e[? or \e[> sequences. |
| if (prefix2 != 0) |
| return; |
| |
| GetConsoleScreenBufferInfo(hConOut, &Info); |
| switch (suffix) |
| { |
| case 'm': |
| if (es_argc == 0) es_argv[es_argc++] = 0; |
| for (i = 0; i < es_argc; i++) |
| { |
| if (30 <= es_argv[i] && es_argv[i] <= 37) |
| grm.foreground = es_argv[i] - 30; |
| else if (40 <= es_argv[i] && es_argv[i] <= 47) |
| grm.background = es_argv[i] - 40; |
| else switch (es_argv[i]) |
| { |
| case 0: |
| case 39: |
| case 49: |
| { |
| WCHAR def[4]; |
| int a; |
| *def = '7'; def[1] = '\0'; |
| GetEnvironmentVariableW(L"ANSICON_DEF", def, lenof(def)); |
| a = wcstol(def, NULL, 16); |
| grm.reverse = FALSE; |
| if (a < 0) |
| { |
| grm.reverse = TRUE; |
| a = -a; |
| } |
| if (es_argv[i] != 49) |
| grm.foreground = attr2ansi[a & 7]; |
| if (es_argv[i] != 39) |
| grm.background = attr2ansi[(a >> 4) & 7]; |
| if (es_argv[i] == 0) |
| { |
| if (es_argc == 1) |
| { |
| grm.bold = a & FOREGROUND_INTENSITY; |
| grm.underline = a & BACKGROUND_INTENSITY; |
| } |
| else |
| { |
| grm.bold = 0; |
| grm.underline = 0; |
| } |
| grm.rvideo = 0; |
| grm.concealed = 0; |
| } |
| } |
| break; |
| |
| case 1: grm.bold = FOREGROUND_INTENSITY; break; |
| case 5: // blink |
| case 4: grm.underline = BACKGROUND_INTENSITY; break; |
| case 7: grm.rvideo = 1; break; |
| case 8: grm.concealed = 1; break; |
| case 21: // oops, this actually turns on double underline |
| case 22: grm.bold = 0; break; |
| case 25: |
| case 24: grm.underline = 0; break; |
| case 27: grm.rvideo = 0; break; |
| case 28: grm.concealed = 0; break; |
| } |
| } |
| if (grm.concealed) |
| { |
| if (grm.rvideo) |
| { |
| attribut = foregroundcolor[grm.foreground] |
| | backgroundcolor[grm.foreground]; |
| if (grm.bold) |
| attribut |= FOREGROUND_INTENSITY | BACKGROUND_INTENSITY; |
| } |
| else |
| { |
| attribut = foregroundcolor[grm.background] |
| | backgroundcolor[grm.background]; |
| if (grm.underline) |
| attribut |= FOREGROUND_INTENSITY | BACKGROUND_INTENSITY; |
| } |
| } |
| else if (grm.rvideo) |
| { |
| attribut = foregroundcolor[grm.background] |
| | backgroundcolor[grm.foreground]; |
| if (grm.bold) |
| attribut |= BACKGROUND_INTENSITY; |
| if (grm.underline) |
| attribut |= FOREGROUND_INTENSITY; |
| } |
| else |
| attribut = foregroundcolor[grm.foreground] | grm.bold |
| | backgroundcolor[grm.background] | grm.underline; |
| if (grm.reverse) |
| attribut = ((attribut >> 4) & 15) | ((attribut & 15) << 4); |
| SetConsoleTextAttribute(hConOut, attribut); |
| return; |
| |
| case 'J': |
| if (es_argc == 0) es_argv[es_argc++] = 0; // ESC[J == ESC[0J |
| if (es_argc != 1) return; |
| switch (es_argv[0]) |
| { |
| case 0: // ESC[0J erase from cursor to end of display |
| len = (Info.dwSize.Y - Info.dwCursorPosition.Y - 1) * Info.dwSize.X |
| + Info.dwSize.X - Info.dwCursorPosition.X - 1; |
| FillConsoleOutputCharacter(hConOut, ' ', len, |
| Info.dwCursorPosition, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, len, |
| Info.dwCursorPosition, |
| &NumberOfCharsWritten); |
| return; |
| |
| case 1: // ESC[1J erase from start to cursor. |
| Pos.X = 0; |
| Pos.Y = 0; |
| len = Info.dwCursorPosition.Y * Info.dwSize.X |
| + Info.dwCursorPosition.X + 1; |
| FillConsoleOutputCharacter(hConOut, ' ', len, Pos, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, len, Pos, |
| &NumberOfCharsWritten); |
| return; |
| |
| case 2: // ESC[2J Clear screen and home cursor |
| Pos.X = 0; |
| Pos.Y = 0; |
| len = Info.dwSize.X * Info.dwSize.Y; |
| FillConsoleOutputCharacter(hConOut, ' ', len, Pos, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, len, Pos, |
| &NumberOfCharsWritten); |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| default: |
| return; |
| } |
| |
| case 'K': |
| if (es_argc == 0) es_argv[es_argc++] = 0; // ESC[K == ESC[0K |
| if (es_argc != 1) return; |
| switch (es_argv[0]) |
| { |
| case 0: // ESC[0K Clear to end of line |
| len = Info.dwSize.X - Info.dwCursorPosition.X + 1; |
| FillConsoleOutputCharacter(hConOut, ' ', len, |
| Info.dwCursorPosition, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, len, |
| Info.dwCursorPosition, |
| &NumberOfCharsWritten); |
| return; |
| |
| case 1: // ESC[1K Clear from start of line to cursor |
| Pos.X = 0; |
| Pos.Y = Info.dwCursorPosition.Y; |
| FillConsoleOutputCharacter(hConOut, ' ', |
| Info.dwCursorPosition.X + 1, Pos, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, |
| Info.dwCursorPosition.X + 1, Pos, |
| &NumberOfCharsWritten); |
| return; |
| |
| case 2: // ESC[2K Clear whole line. |
| Pos.X = 0; |
| Pos.Y = Info.dwCursorPosition.Y; |
| FillConsoleOutputCharacter(hConOut, ' ', Info.dwSize.X, Pos, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, |
| Info.dwSize.X, Pos, |
| &NumberOfCharsWritten); |
| return; |
| |
| default: |
| return; |
| } |
| |
| case 'X': // ESC[#X Erase # characters. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[X == ESC[1X |
| if (es_argc != 1) return; |
| FillConsoleOutputCharacter(hConOut, ' ', es_argv[0], |
| Info.dwCursorPosition, |
| &NumberOfCharsWritten); |
| FillConsoleOutputAttribute(hConOut, Info.wAttributes, es_argv[0], |
| Info.dwCursorPosition, |
| &NumberOfCharsWritten); |
| return; |
| |
| case 'L': // ESC[#L Insert # blank lines. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[L == ESC[1L |
| if (es_argc != 1) return; |
| Rect.Left = 0; |
| Rect.Top = Info.dwCursorPosition.Y; |
| Rect.Right = Info.dwSize.X - 1; |
| Rect.Bottom = Info.dwSize.Y - 1; |
| Pos.X = 0; |
| Pos.Y = Info.dwCursorPosition.Y + es_argv[0]; |
| CharInfo.Char.UnicodeChar = ' '; |
| CharInfo.Attributes = Info.wAttributes; |
| ScrollConsoleScreenBuffer(hConOut, &Rect, NULL, Pos, &CharInfo); |
| return; |
| |
| case 'M': // ESC[#M Delete # lines. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[M == ESC[1M |
| if (es_argc != 1) return; |
| if (es_argv[0] > Info.dwSize.Y - Info.dwCursorPosition.Y) |
| es_argv[0] = Info.dwSize.Y - Info.dwCursorPosition.Y; |
| Rect.Left = 0; |
| Rect.Top = Info.dwCursorPosition.Y + es_argv[0]; |
| Rect.Right = Info.dwSize.X - 1; |
| Rect.Bottom = Info.dwSize.Y - 1; |
| Pos.X = 0; |
| Pos.Y = Info.dwCursorPosition.Y; |
| CharInfo.Char.UnicodeChar = ' '; |
| CharInfo.Attributes = Info.wAttributes; |
| ScrollConsoleScreenBuffer(hConOut, &Rect, NULL, Pos, &CharInfo); |
| return; |
| |
| case 'P': // ESC[#P Delete # characters. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[P == ESC[1P |
| if (es_argc != 1) return; |
| if (Info.dwCursorPosition.X + es_argv[0] > Info.dwSize.X - 1) |
| es_argv[0] = Info.dwSize.X - Info.dwCursorPosition.X; |
| Rect.Left = Info.dwCursorPosition.X + es_argv[0]; |
| Rect.Top = Info.dwCursorPosition.Y; |
| Rect.Right = Info.dwSize.X - 1; |
| Rect.Bottom = Info.dwCursorPosition.Y; |
| CharInfo.Char.UnicodeChar = ' '; |
| CharInfo.Attributes = Info.wAttributes; |
| ScrollConsoleScreenBuffer(hConOut, &Rect, NULL, Info.dwCursorPosition, |
| &CharInfo); |
| return; |
| |
| case '@': // ESC[#@ Insert # blank characters. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[@ == ESC[1@ |
| if (es_argc != 1) return; |
| if (Info.dwCursorPosition.X + es_argv[0] > Info.dwSize.X - 1) |
| es_argv[0] = Info.dwSize.X - Info.dwCursorPosition.X; |
| Rect.Left = Info.dwCursorPosition.X; |
| Rect.Top = Info.dwCursorPosition.Y; |
| Rect.Right = Info.dwSize.X - 1 - es_argv[0]; |
| Rect.Bottom = Info.dwCursorPosition.Y; |
| Pos.X = Info.dwCursorPosition.X + es_argv[0]; |
| Pos.Y = Info.dwCursorPosition.Y; |
| CharInfo.Char.UnicodeChar = ' '; |
| CharInfo.Attributes = Info.wAttributes; |
| ScrollConsoleScreenBuffer(hConOut, &Rect, NULL, Pos, &CharInfo); |
| return; |
| |
| case 'k': // ESC[#k |
| case 'A': // ESC[#A Moves cursor up # lines |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[A == ESC[1A |
| if (es_argc != 1) return; |
| Pos.Y = Info.dwCursorPosition.Y - es_argv[0]; |
| if (Pos.Y < 0) Pos.Y = 0; |
| Pos.X = Info.dwCursorPosition.X; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'e': // ESC[#e |
| case 'B': // ESC[#B Moves cursor down # lines |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[B == ESC[1B |
| if (es_argc != 1) return; |
| Pos.Y = Info.dwCursorPosition.Y + es_argv[0]; |
| if (Pos.Y >= Info.dwSize.Y) Pos.Y = Info.dwSize.Y - 1; |
| Pos.X = Info.dwCursorPosition.X; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'a': // ESC[#a |
| case 'C': // ESC[#C Moves cursor forward # spaces |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[C == ESC[1C |
| if (es_argc != 1) return; |
| Pos.X = Info.dwCursorPosition.X + es_argv[0]; |
| if (Pos.X >= Info.dwSize.X) Pos.X = Info.dwSize.X - 1; |
| Pos.Y = Info.dwCursorPosition.Y; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'j': // ESC[#j |
| case 'D': // ESC[#D Moves cursor back # spaces |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[D == ESC[1D |
| if (es_argc != 1) return; |
| Pos.X = Info.dwCursorPosition.X - es_argv[0]; |
| if (Pos.X < 0) Pos.X = 0; |
| Pos.Y = Info.dwCursorPosition.Y; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'E': // ESC[#E Moves cursor down # lines, column 1. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[E == ESC[1E |
| if (es_argc != 1) return; |
| Pos.Y = Info.dwCursorPosition.Y + es_argv[0]; |
| if (Pos.Y >= Info.dwSize.Y) Pos.Y = Info.dwSize.Y - 1; |
| Pos.X = 0; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'F': // ESC[#F Moves cursor up # lines, column 1. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[F == ESC[1F |
| if (es_argc != 1) return; |
| Pos.Y = Info.dwCursorPosition.Y - es_argv[0]; |
| if (Pos.Y < 0) Pos.Y = 0; |
| Pos.X = 0; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case '`': // ESC[#` |
| case 'G': // ESC[#G Moves cursor column # in current row. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[G == ESC[1G |
| if (es_argc != 1) return; |
| Pos.X = es_argv[0] - 1; |
| if (Pos.X >= Info.dwSize.X) Pos.X = Info.dwSize.X - 1; |
| if (Pos.X < 0) Pos.X = 0; |
| Pos.Y = Info.dwCursorPosition.Y; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'd': // ESC[#d Moves cursor row #, current column. |
| if (es_argc == 0) es_argv[es_argc++] = 1; // ESC[d == ESC[1d |
| if (es_argc != 1) return; |
| Pos.Y = es_argv[0] - 1; |
| if (Pos.Y < 0) Pos.Y = 0; |
| if (Pos.Y >= Info.dwSize.Y) Pos.Y = Info.dwSize.Y - 1; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 'f': // ESC[#;#f |
| case 'H': // ESC[#;#H Moves cursor to line #, column # |
| if (es_argc == 0) |
| es_argv[es_argc++] = 1; // ESC[H == ESC[1;1H |
| if (es_argc == 1) |
| es_argv[es_argc++] = 1; // ESC[#H == ESC[#;1H |
| if (es_argc > 2) return; |
| Pos.X = es_argv[1] - 1; |
| if (Pos.X < 0) Pos.X = 0; |
| if (Pos.X >= Info.dwSize.X) Pos.X = Info.dwSize.X - 1; |
| Pos.Y = es_argv[0] - 1; |
| if (Pos.Y < 0) Pos.Y = 0; |
| if (Pos.Y >= Info.dwSize.Y) Pos.Y = Info.dwSize.Y - 1; |
| SetConsoleCursorPosition(hConOut, Pos); |
| return; |
| |
| case 's': // ESC[s Saves cursor position for recall later |
| if (es_argc != 0) return; |
| SavePos = Info.dwCursorPosition; |
| return; |
| |
| case 'u': // ESC[u Return to saved cursor position |
| if (es_argc != 0) return; |
| SetConsoleCursorPosition(hConOut, SavePos); |
| return; |
| |
| case 'n': // ESC[#n Device status report |
| if (es_argc != 1) return; // ESC[n == ESC[0n -> ignored |
| switch (es_argv[0]) |
| { |
| case 5: // ESC[5n Report status |
| SendSequence(L"\33[0n"); // "OK" |
| return; |
| |
| case 6: // ESC[6n Report cursor position |
| { |
| WCHAR buf[32]; |
| swprintf(buf, 32, L"\33[%d;%dR", Info.dwCursorPosition.Y + 1, |
| Info.dwCursorPosition.X + 1); |
| SendSequence(buf); |
| } |
| return; |
| |
| default: |
| return; |
| } |
| |
| case 't': // ESC[#t Window manipulation |
| if (es_argc != 1) return; |
| if (es_argv[0] == 21) // ESC[21t Report xterm window's title |
| { |
| WCHAR buf[MAX_PATH * 2]; |
| DWORD len = GetConsoleTitleW(buf + 3, lenof(buf) - 3 - 2); |
| // Too bad if it's too big or fails. |
| buf[0] = ESC; |
| buf[1] = ']'; |
| buf[2] = 'l'; |
| buf[3 + len] = ESC; |
| buf[3 + len + 1] = '\\'; |
| buf[3 + len + 2] = '\0'; |
| SendSequence(buf); |
| } |
| return; |
| |
| default: |
| return; |
| } |
| } |
| else // (prefix == ']') |
| { |
| // Ignore any \e]? or \e]> sequences. |
| if (prefix2 != 0) |
| return; |
| |
| if (es_argc == 1 && es_argv[0] == 0) // ESC]0;titleST |
| { |
| SetConsoleTitleW(Pt_arg); |
| } |
| } |
| } |
| |
| //----------------------------------------------------------------------------- |
| // ParseAndPrintANSIString(hDev, lpBuffer, nNumberOfBytesToWrite) |
| // Parses the string lpBuffer, interprets the escapes sequences and prints the |
| // characters in the device hDev (console). |
| // The lexer is a three states automata. |
| // If the number of arguments es_argc > MAX_ARG, only the MAX_ARG-1 firsts and |
| // the last arguments are processed (no es_argv[] overflow). |
| //----------------------------------------------------------------------------- |
| |
| inline BOOL ParseAndPrintANSIString(HANDLE hDev, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten) |
| { |
| DWORD i; |
| LPCSTR s; |
| |
| if (hDev != hConOut) // reinit if device has changed |
| { |
| hConOut = hDev; |
| state = 1; |
| shifted = FALSE; |
| } |
| for (i = nNumberOfBytesToWrite, s = (LPCSTR)lpBuffer; i > 0; i--, s++) |
| { |
| if (state == 1) |
| { |
| if (*s == ESC) state = 2; |
| else if (*s == SO) shifted = TRUE; |
| else if (*s == SI) shifted = FALSE; |
| else PushBuffer(*s); |
| } |
| else if (state == 2) |
| { |
| if (*s == ESC); // \e\e...\e == \e |
| else if ((*s == '[') || (*s == ']')) |
| { |
| FlushBuffer(); |
| prefix = *s; |
| prefix2 = 0; |
| state = 3; |
| Pt_len = 0; |
| *Pt_arg = '\0'; |
| } |
| else if (*s == ')' || *s == '(') state = 6; |
| else state = 1; |
| } |
| else if (state == 3) |
| { |
| if (is_digit(*s)) |
| { |
| es_argc = 0; |
| es_argv[0] = *s - '0'; |
| state = 4; |
| } |
| else if (*s == ';') |
| { |
| es_argc = 1; |
| es_argv[0] = 0; |
| es_argv[1] = 0; |
| state = 4; |
| } |
| else if (*s == '?' || *s == '>') |
| { |
| prefix2 = *s; |
| } |
| else |
| { |
| es_argc = 0; |
| suffix = *s; |
| InterpretEscSeq(); |
| state = 1; |
| } |
| } |
| else if (state == 4) |
| { |
| if (is_digit(*s)) |
| { |
| es_argv[es_argc] = 10 * es_argv[es_argc] + (*s - '0'); |
| } |
| else if (*s == ';') |
| { |
| if (es_argc < MAX_ARG - 1) es_argc++; |
| es_argv[es_argc] = 0; |
| if (prefix == ']') |
| state = 5; |
| } |
| else |
| { |
| es_argc++; |
| suffix = *s; |
| InterpretEscSeq(); |
| state = 1; |
| } |
| } |
| else if (state == 5) |
| { |
| if (*s == BEL) |
| { |
| Pt_arg[Pt_len] = '\0'; |
| InterpretEscSeq(); |
| state = 1; |
| } |
| else if (*s == '\\' && Pt_len > 0 && Pt_arg[Pt_len - 1] == ESC) |
| { |
| Pt_arg[--Pt_len] = '\0'; |
| InterpretEscSeq(); |
| state = 1; |
| } |
| else if (Pt_len < lenof(Pt_arg) - 1) |
| Pt_arg[Pt_len++] = *s; |
| } |
| else if (state == 6) |
| { |
| // Ignore it (ESC ) 0 is implicit; nothing else is supported). |
| state = 1; |
| } |
| } |
| FlushBuffer(); |
| if (lpNumberOfBytesWritten != NULL) |
| *lpNumberOfBytesWritten = nNumberOfBytesToWrite - i; |
| return (i == 0); |
| } |
| |
| } // namespace ansi |
| |
| HANDLE hOut; |
| HANDLE hIn; |
| DWORD consolemodeIn = 0; |
| |
| inline int win32read(int *c) { |
| DWORD foo; |
| INPUT_RECORD b; |
| KEY_EVENT_RECORD e; |
| BOOL altgr; |
| |
| while (1) { |
| if (!ReadConsoleInput(hIn, &b, 1, &foo)) return 0; |
| if (!foo) return 0; |
| |
| if (b.EventType == KEY_EVENT && b.Event.KeyEvent.bKeyDown) { |
| |
| e = b.Event.KeyEvent; |
| *c = b.Event.KeyEvent.uChar.AsciiChar; |
| |
| altgr = e.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_ALT_PRESSED); |
| |
| if (e.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED) && !altgr) { |
| |
| /* Ctrl+Key */ |
| switch (*c) { |
| case 'D': |
| *c = 4; |
| return 1; |
| case 'C': |
| *c = 3; |
| return 1; |
| case 'H': |
| *c = 8; |
| return 1; |
| case 'T': |
| *c = 20; |
| return 1; |
| case 'B': /* ctrl-b, left_arrow */ |
| *c = 2; |
| return 1; |
| case 'F': /* ctrl-f right_arrow*/ |
| *c = 6; |
| return 1; |
| case 'P': /* ctrl-p up_arrow*/ |
| *c = 16; |
| return 1; |
| case 'N': /* ctrl-n down_arrow*/ |
| *c = 14; |
| return 1; |
| case 'U': /* Ctrl+u, delete the whole line. */ |
| *c = 21; |
| return 1; |
| case 'K': /* Ctrl+k, delete from current to end of line. */ |
| *c = 11; |
| return 1; |
| case 'A': /* Ctrl+a, go to the start of the line */ |
| *c = 1; |
| return 1; |
| case 'E': /* ctrl+e, go to the end of the line */ |
| *c = 5; |
| return 1; |
| } |
| |
| /* Other Ctrl+KEYs ignored */ |
| } else { |
| |
| switch (e.wVirtualKeyCode) { |
| |
| case VK_ESCAPE: /* ignore - send ctrl-c, will return -1 */ |
| *c = 3; |
| return 1; |
| case VK_RETURN: /* enter */ |
| *c = 13; |
| return 1; |
| case VK_LEFT: /* left */ |
| *c = 2; |
| return 1; |
| case VK_RIGHT: /* right */ |
| *c = 6; |
| return 1; |
| case VK_UP: /* up */ |
| *c = 16; |
| return 1; |
| case VK_DOWN: /* down */ |
| *c = 14; |
| return 1; |
| case VK_HOME: |
| *c = 1; |
| return 1; |
| case VK_END: |
| *c = 5; |
| return 1; |
| case VK_BACK: |
| *c = 8; |
| return 1; |
| case VK_DELETE: |
| *c = 127; |
| return 1; |
| default: |
| if (*c) return 1; |
| } |
| } |
| } |
| } |
| |
| return -1; /* Makes compiler happy */ |
| } |
| |
| inline int win32_write(int fd, const void *buffer, unsigned int count) { |
| if (fd == _fileno(stdout)) { |
| DWORD bytesWritten = 0; |
| if (FALSE != ansi::ParseAndPrintANSIString(GetStdHandle(STD_OUTPUT_HANDLE), buffer, (DWORD)count, &bytesWritten)) { |
| return (int)bytesWritten; |
| } else { |
| errno = GetLastError(); |
| return 0; |
| } |
| } else if (fd == _fileno(stderr)) { |
| DWORD bytesWritten = 0; |
| if (FALSE != ansi::ParseAndPrintANSIString(GetStdHandle(STD_ERROR_HANDLE), buffer, (DWORD)count, &bytesWritten)) { |
| return (int)bytesWritten; |
| } else { |
| errno = GetLastError(); |
| return 0; |
| } |
| } else { |
| return _write(fd, buffer, count); |
| } |
| } |
| #endif // _WIN32 |
| |
| #define LINENOISE_DEFAULT_HISTORY_MAX_LEN 100 |
| #define LINENOISE_MAX_LINE 4096 |
| static const char *unsupported_term[] = {"dumb","cons25","emacs",NULL}; |
| static CompletionCallback completionCallback; |
| |
| #ifndef _WIN32 |
| static struct termios orig_termios; /* In order to restore at exit.*/ |
| #endif |
| static bool rawmode = false; /* For atexit() function to check if restore is needed*/ |
| static bool mlmode = false; /* Multi line mode. Default is single line. */ |
| static bool atexit_registered = false; /* Register atexit just 1 time. */ |
| static size_t history_max_len = LINENOISE_DEFAULT_HISTORY_MAX_LEN; |
| static std::vector<std::string> history; |
| |
| /* The linenoiseState structure represents the state during line editing. |
| * We pass this state to functions implementing specific editing |
| * functionalities. */ |
| struct linenoiseState { |
| int ifd; /* Terminal stdin file descriptor. */ |
| int ofd; /* Terminal stdout file descriptor. */ |
| char *buf; /* Edited line buffer. */ |
| int buflen; /* Edited line buffer size. */ |
| std::string prompt; /* Prompt to display. */ |
| int pos; /* Current cursor position. */ |
| int oldcolpos; /* Previous refresh cursor column position. */ |
| int len; /* Current edited line length. */ |
| int cols; /* Number of columns in terminal. */ |
| int maxrows; /* Maximum num of rows used so far (multiline mode) */ |
| int history_index; /* The history index we are currently editing. */ |
| }; |
| |
| enum KEY_ACTION { |
| KEY_NULL = 0, /* NULL */ |
| CTRL_A = 1, /* Ctrl+a */ |
| CTRL_B = 2, /* Ctrl-b */ |
| CTRL_C = 3, /* Ctrl-c */ |
| CTRL_D = 4, /* Ctrl-d */ |
| CTRL_E = 5, /* Ctrl-e */ |
| CTRL_F = 6, /* Ctrl-f */ |
| CTRL_H = 8, /* Ctrl-h */ |
| TAB = 9, /* Tab */ |
| CTRL_K = 11, /* Ctrl+k */ |
| CTRL_L = 12, /* Ctrl+l */ |
| ENTER = 13, /* Enter */ |
| CTRL_N = 14, /* Ctrl-n */ |
| CTRL_P = 16, /* Ctrl-p */ |
| CTRL_T = 20, /* Ctrl-t */ |
| CTRL_U = 21, /* Ctrl+u */ |
| CTRL_W = 23, /* Ctrl+w */ |
| ESC = 27, /* Escape */ |
| BACKSPACE = 127 /* Backspace */ |
| }; |
| |
| void linenoiseAtExit(void); |
| bool AddHistory(const char *line); |
| void refreshLine(struct linenoiseState *l); |
| |
| /* ============================ UTF8 utilities ============================== */ |
| |
| static unsigned long unicodeWideCharTable[][2] = { |
| { 0x1100, 0x115F }, { 0x2329, 0x232A }, { 0x2E80, 0x2E99, }, { 0x2E9B, 0x2EF3, }, |
| { 0x2F00, 0x2FD5, }, { 0x2FF0, 0x2FFB, }, { 0x3000, 0x303E, }, { 0x3041, 0x3096, }, |
| { 0x3099, 0x30FF, }, { 0x3105, 0x312D, }, { 0x3131, 0x318E, }, { 0x3190, 0x31BA, }, |
| { 0x31C0, 0x31E3, }, { 0x31F0, 0x321E, }, { 0x3220, 0x3247, }, { 0x3250, 0x4DBF, }, |
| { 0x4E00, 0xA48C, }, { 0xA490, 0xA4C6, }, { 0xA960, 0xA97C, }, { 0xAC00, 0xD7A3, }, |
| { 0xF900, 0xFAFF, }, { 0xFE10, 0xFE19, }, { 0xFE30, 0xFE52, }, { 0xFE54, 0xFE66, }, |
| { 0xFE68, 0xFE6B, }, { 0xFF01, 0xFFE6, }, |
| { 0x1B000, 0x1B001, }, { 0x1F200, 0x1F202, }, { 0x1F210, 0x1F23A, }, |
| { 0x1F240, 0x1F248, }, { 0x1F250, 0x1F251, }, { 0x20000, 0x3FFFD, }, |
| }; |
| |
| static int unicodeWideCharTableSize = sizeof(unicodeWideCharTable) / sizeof(unicodeWideCharTable[0]); |
| |
| static int unicodeIsWideChar(unsigned long cp) |
| { |
| int i; |
| for (i = 0; i < unicodeWideCharTableSize; i++) { |
| if (unicodeWideCharTable[i][0] <= cp && cp <= unicodeWideCharTable[i][1]) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| static unsigned long unicodeCombiningCharTable[] = { |
| 0x0300,0x0301,0x0302,0x0303,0x0304,0x0305,0x0306,0x0307, |
| 0x0308,0x0309,0x030A,0x030B,0x030C,0x030D,0x030E,0x030F, |
| 0x0310,0x0311,0x0312,0x0313,0x0314,0x0315,0x0316,0x0317, |
| 0x0318,0x0319,0x031A,0x031B,0x031C,0x031D,0x031E,0x031F, |
| 0x0320,0x0321,0x0322,0x0323,0x0324,0x0325,0x0326,0x0327, |
| 0x0328,0x0329,0x032A,0x032B,0x032C,0x032D,0x032E,0x032F, |
| 0x0330,0x0331,0x0332,0x0333,0x0334,0x0335,0x0336,0x0337, |
| 0x0338,0x0339,0x033A,0x033B,0x033C,0x033D,0x033E,0x033F, |
| 0x0340,0x0341,0x0342,0x0343,0x0344,0x0345,0x0346,0x0347, |
| 0x0348,0x0349,0x034A,0x034B,0x034C,0x034D,0x034E,0x034F, |
| 0x0350,0x0351,0x0352,0x0353,0x0354,0x0355,0x0356,0x0357, |
| 0x0358,0x0359,0x035A,0x035B,0x035C,0x035D,0x035E,0x035F, |
| 0x0360,0x0361,0x0362,0x0363,0x0364,0x0365,0x0366,0x0367, |
| 0x0368,0x0369,0x036A,0x036B,0x036C,0x036D,0x036E,0x036F, |
| 0x0483,0x0484,0x0485,0x0486,0x0487,0x0591,0x0592,0x0593, |
| 0x0594,0x0595,0x0596,0x0597,0x0598,0x0599,0x059A,0x059B, |
| 0x059C,0x059D,0x059E,0x059F,0x05A0,0x05A1,0x05A2,0x05A3, |
| 0x05A4,0x05A5,0x05A6,0x05A7,0x05A8,0x05A9,0x05AA,0x05AB, |
| 0x05AC,0x05AD,0x05AE,0x05AF,0x05B0,0x05B1,0x05B2,0x05B3, |
| 0x05B4,0x05B5,0x05B6,0x05B7,0x05B8,0x05B9,0x05BA,0x05BB, |
| 0x05BC,0x05BD,0x05BF,0x05C1,0x05C2,0x05C4,0x05C5,0x05C7, |
| 0x0610,0x0611,0x0612,0x0613,0x0614,0x0615,0x0616,0x0617, |
| 0x0618,0x0619,0x061A,0x064B,0x064C,0x064D,0x064E,0x064F, |
| 0x0650,0x0651,0x0652,0x0653,0x0654,0x0655,0x0656,0x0657, |
| 0x0658,0x0659,0x065A,0x065B,0x065C,0x065D,0x065E,0x065F, |
| 0x0670,0x06D6,0x06D7,0x06D8,0x06D9,0x06DA,0x06DB,0x06DC, |
| 0x06DF,0x06E0,0x06E1,0x06E2,0x06E3,0x06E4,0x06E7,0x06E8, |
| 0x06EA,0x06EB,0x06EC,0x06ED,0x0711,0x0730,0x0731,0x0732, |
| 0x0733,0x0734,0x0735,0x0736,0x0737,0x0738,0x0739,0x073A, |
| 0x073B,0x073C,0x073D,0x073E,0x073F,0x0740,0x0741,0x0742, |
| 0x0743,0x0744,0x0745,0x0746,0x0747,0x0748,0x0749,0x074A, |
| 0x07A6,0x07A7,0x07A8,0x07A9,0x07AA,0x07AB,0x07AC,0x07AD, |
| 0x07AE,0x07AF,0x07B0,0x07EB,0x07EC,0x07ED,0x07EE,0x07EF, |
| 0x07F0,0x07F1,0x07F2,0x07F3,0x0816,0x0817,0x0818,0x0819, |
| 0x081B,0x081C,0x081D,0x081E,0x081F,0x0820,0x0821,0x0822, |
| 0x0823,0x0825,0x0826,0x0827,0x0829,0x082A,0x082B,0x082C, |
| 0x082D,0x0859,0x085A,0x085B,0x08E3,0x08E4,0x08E5,0x08E6, |
| 0x08E7,0x08E8,0x08E9,0x08EA,0x08EB,0x08EC,0x08ED,0x08EE, |
| 0x08EF,0x08F0,0x08F1,0x08F2,0x08F3,0x08F4,0x08F5,0x08F6, |
| 0x08F7,0x08F8,0x08F9,0x08FA,0x08FB,0x08FC,0x08FD,0x08FE, |
| 0x08FF,0x0900,0x0901,0x0902,0x093A,0x093C,0x0941,0x0942, |
| 0x0943,0x0944,0x0945,0x0946,0x0947,0x0948,0x094D,0x0951, |
| 0x0952,0x0953,0x0954,0x0955,0x0956,0x0957,0x0962,0x0963, |
| 0x0981,0x09BC,0x09C1,0x09C2,0x09C3,0x09C4,0x09CD,0x09E2, |
| 0x09E3,0x0A01,0x0A02,0x0A3C,0x0A41,0x0A42,0x0A47,0x0A48, |
| 0x0A4B,0x0A4C,0x0A4D,0x0A51,0x0A70,0x0A71,0x0A75,0x0A81, |
| 0x0A82,0x0ABC,0x0AC1,0x0AC2,0x0AC3,0x0AC4,0x0AC5,0x0AC7, |
| 0x0AC8,0x0ACD,0x0AE2,0x0AE3,0x0B01,0x0B3C,0x0B3F,0x0B41, |
| 0x0B42,0x0B43,0x0B44,0x0B4D,0x0B56,0x0B62,0x0B63,0x0B82, |
| 0x0BC0,0x0BCD,0x0C00,0x0C3E,0x0C3F,0x0C40,0x0C46,0x0C47, |
| 0x0C48,0x0C4A,0x0C4B,0x0C4C,0x0C4D,0x0C55,0x0C56,0x0C62, |
| 0x0C63,0x0C81,0x0CBC,0x0CBF,0x0CC6,0x0CCC,0x0CCD,0x0CE2, |
| 0x0CE3,0x0D01,0x0D41,0x0D42,0x0D43,0x0D44,0x0D4D,0x0D62, |
| 0x0D63,0x0DCA,0x0DD2,0x0DD3,0x0DD4,0x0DD6,0x0E31,0x0E34, |
| 0x0E35,0x0E36,0x0E37,0x0E38,0x0E39,0x0E3A,0x0E47,0x0E48, |
| 0x0E49,0x0E4A,0x0E4B,0x0E4C,0x0E4D,0x0E4E,0x0EB1,0x0EB4, |
| 0x0EB5,0x0EB6,0x0EB7,0x0EB8,0x0EB9,0x0EBB,0x0EBC,0x0EC8, |
| 0x0EC9,0x0ECA,0x0ECB,0x0ECC,0x0ECD,0x0F18,0x0F19,0x0F35, |
| 0x0F37,0x0F39,0x0F71,0x0F72,0x0F73,0x0F74,0x0F75,0x0F76, |
| 0x0F77,0x0F78,0x0F79,0x0F7A,0x0F7B,0x0F7C,0x0F7D,0x0F7E, |
| 0x0F80,0x0F81,0x0F82,0x0F83,0x0F84,0x0F86,0x0F87,0x0F8D, |
| 0x0F8E,0x0F8F,0x0F90,0x0F91,0x0F92,0x0F93,0x0F94,0x0F95, |
| 0x0F96,0x0F97,0x0F99,0x0F9A,0x0F9B,0x0F9C,0x0F9D,0x0F9E, |
| 0x0F9F,0x0FA0,0x0FA1,0x0FA2,0x0FA3,0x0FA4,0x0FA5,0x0FA6, |
| 0x0FA7,0x0FA8,0x0FA9,0x0FAA,0x0FAB,0x0FAC,0x0FAD,0x0FAE, |
| 0x0FAF,0x0FB0,0x0FB1,0x0FB2,0x0FB3,0x0FB4,0x0FB5,0x0FB6, |
| 0x0FB7,0x0FB8,0x0FB9,0x0FBA,0x0FBB,0x0FBC,0x0FC6,0x102D, |
| 0x102E,0x102F,0x1030,0x1032,0x1033,0x1034,0x1035,0x1036, |
| 0x1037,0x1039,0x103A,0x103D,0x103E,0x1058,0x1059,0x105E, |
| 0x105F,0x1060,0x1071,0x1072,0x1073,0x1074,0x1082,0x1085, |
| 0x1086,0x108D,0x109D,0x135D,0x135E,0x135F,0x1712,0x1713, |
| 0x1714,0x1732,0x1733,0x1734,0x1752,0x1753,0x1772,0x1773, |
| 0x17B4,0x17B5,0x17B7,0x17B8,0x17B9,0x17BA,0x17BB,0x17BC, |
| 0x17BD,0x17C6,0x17C9,0x17CA,0x17CB,0x17CC,0x17CD,0x17CE, |
| 0x17CF,0x17D0,0x17D1,0x17D2,0x17D3,0x17DD,0x180B,0x180C, |
| 0x180D,0x18A9,0x1920,0x1921,0x1922,0x1927,0x1928,0x1932, |
| 0x1939,0x193A,0x193B,0x1A17,0x1A18,0x1A1B,0x1A56,0x1A58, |
| 0x1A59,0x1A5A,0x1A5B,0x1A5C,0x1A5D,0x1A5E,0x1A60,0x1A62, |
| 0x1A65,0x1A66,0x1A67,0x1A68,0x1A69,0x1A6A,0x1A6B,0x1A6C, |
| 0x1A73,0x1A74,0x1A75,0x1A76,0x1A77,0x1A78,0x1A79,0x1A7A, |
| 0x1A7B,0x1A7C,0x1A7F,0x1AB0,0x1AB1,0x1AB2,0x1AB3,0x1AB4, |
| 0x1AB5,0x1AB6,0x1AB7,0x1AB8,0x1AB9,0x1ABA,0x1ABB,0x1ABC, |
| 0x1ABD,0x1B00,0x1B01,0x1B02,0x1B03,0x1B34,0x1B36,0x1B37, |
| 0x1B38,0x1B39,0x1B3A,0x1B3C,0x1B42,0x1B6B,0x1B6C,0x1B6D, |
| 0x1B6E,0x1B6F,0x1B70,0x1B71,0x1B72,0x1B73,0x1B80,0x1B81, |
| 0x1BA2,0x1BA3,0x1BA4,0x1BA5,0x1BA8,0x1BA9,0x1BAB,0x1BAC, |
| 0x1BAD,0x1BE6,0x1BE8,0x1BE9,0x1BED,0x1BEF,0x1BF0,0x1BF1, |
| 0x1C2C,0x1C2D,0x1C2E,0x1C2F,0x1C30,0x1C31,0x1C32,0x1C33, |
| 0x1C36,0x1C37,0x1CD0,0x1CD1,0x1CD2,0x1CD4,0x1CD5,0x1CD6, |
| 0x1CD7,0x1CD8,0x1CD9,0x1CDA,0x1CDB,0x1CDC,0x1CDD,0x1CDE, |
| 0x1CDF,0x1CE0,0x1CE2,0x1CE3,0x1CE4,0x1CE5,0x1CE6,0x1CE7, |
| 0x1CE8,0x1CED,0x1CF4,0x1CF8,0x1CF9,0x1DC0,0x1DC1,0x1DC2, |
| 0x1DC3,0x1DC4,0x1DC5,0x1DC6,0x1DC7,0x1DC8,0x1DC9,0x1DCA, |
| 0x1DCB,0x1DCC,0x1DCD,0x1DCE,0x1DCF,0x1DD0,0x1DD1,0x1DD2, |
| 0x1DD3,0x1DD4,0x1DD5,0x1DD6,0x1DD7,0x1DD8,0x1DD9,0x1DDA, |
| 0x1DDB,0x1DDC,0x1DDD,0x1DDE,0x1DDF,0x1DE0,0x1DE1,0x1DE2, |
| 0x1DE3,0x1DE4,0x1DE5,0x1DE6,0x1DE7,0x1DE8,0x1DE9,0x1DEA, |
| 0x1DEB,0x1DEC,0x1DED,0x1DEE,0x1DEF,0x1DF0,0x1DF1,0x1DF2, |
| 0x1DF3,0x1DF4,0x1DF5,0x1DFC,0x1DFD,0x1DFE,0x1DFF,0x20D0, |
| 0x20D1,0x20D2,0x20D3,0x20D4,0x20D5,0x20D6,0x20D7,0x20D8, |
| 0x20D9,0x20DA,0x20DB,0x20DC,0x20E1,0x20E5,0x20E6,0x20E7, |
| 0x20E8,0x20E9,0x20EA,0x20EB,0x20EC,0x20ED,0x20EE,0x20EF, |
| 0x20F0,0x2CEF,0x2CF0,0x2CF1,0x2D7F,0x2DE0,0x2DE1,0x2DE2, |
| 0x2DE3,0x2DE4,0x2DE5,0x2DE6,0x2DE7,0x2DE8,0x2DE9,0x2DEA, |
| 0x2DEB,0x2DEC,0x2DED,0x2DEE,0x2DEF,0x2DF0,0x2DF1,0x2DF2, |
| 0x2DF3,0x2DF4,0x2DF5,0x2DF6,0x2DF7,0x2DF8,0x2DF9,0x2DFA, |
| 0x2DFB,0x2DFC,0x2DFD,0x2DFE,0x2DFF,0x302A,0x302B,0x302C, |
| 0x302D,0x3099,0x309A,0xA66F,0xA674,0xA675,0xA676,0xA677, |
| 0xA678,0xA679,0xA67A,0xA67B,0xA67C,0xA67D,0xA69E,0xA69F, |
| 0xA6F0,0xA6F1,0xA802,0xA806,0xA80B,0xA825,0xA826,0xA8C4, |
| 0xA8E0,0xA8E1,0xA8E2,0xA8E3,0xA8E4,0xA8E5,0xA8E6,0xA8E7, |
| 0xA8E8,0xA8E9,0xA8EA,0xA8EB,0xA8EC,0xA8ED,0xA8EE,0xA8EF, |
| 0xA8F0,0xA8F1,0xA926,0xA927,0xA928,0xA929,0xA92A,0xA92B, |
| 0xA92C,0xA92D,0xA947,0xA948,0xA949,0xA94A,0xA94B,0xA94C, |
| 0xA94D,0xA94E,0xA94F,0xA950,0xA951,0xA980,0xA981,0xA982, |
| 0xA9B3,0xA9B6,0xA9B7,0xA9B8,0xA9B9,0xA9BC,0xA9E5,0xAA29, |
| 0xAA2A,0xAA2B,0xAA2C,0xAA2D,0xAA2E,0xAA31,0xAA32,0xAA35, |
| 0xAA36,0xAA43,0xAA4C,0xAA7C,0xAAB0,0xAAB2,0xAAB3,0xAAB4, |
| 0xAAB7,0xAAB8,0xAABE,0xAABF,0xAAC1,0xAAEC,0xAAED,0xAAF6, |
| 0xABE5,0xABE8,0xABED,0xFB1E,0xFE00,0xFE01,0xFE02,0xFE03, |
| 0xFE04,0xFE05,0xFE06,0xFE07,0xFE08,0xFE09,0xFE0A,0xFE0B, |
| 0xFE0C,0xFE0D,0xFE0E,0xFE0F,0xFE20,0xFE21,0xFE22,0xFE23, |
| 0xFE24,0xFE25,0xFE26,0xFE27,0xFE28,0xFE29,0xFE2A,0xFE2B, |
| 0xFE2C,0xFE2D,0xFE2E,0xFE2F, |
| 0x101FD,0x102E0,0x10376,0x10377,0x10378,0x10379,0x1037A,0x10A01, |
| 0x10A02,0x10A03,0x10A05,0x10A06,0x10A0C,0x10A0D,0x10A0E,0x10A0F, |
| 0x10A38,0x10A39,0x10A3A,0x10A3F,0x10AE5,0x10AE6,0x11001,0x11038, |
| 0x11039,0x1103A,0x1103B,0x1103C,0x1103D,0x1103E,0x1103F,0x11040, |
| 0x11041,0x11042,0x11043,0x11044,0x11045,0x11046,0x1107F,0x11080, |
| 0x11081,0x110B3,0x110B4,0x110B5,0x110B6,0x110B9,0x110BA,0x11100, |
| 0x11101,0x11102,0x11127,0x11128,0x11129,0x1112A,0x1112B,0x1112D, |
| 0x1112E,0x1112F,0x11130,0x11131,0x11132,0x11133,0x11134,0x11173, |
| 0x11180,0x11181,0x111B6,0x111B7,0x111B8,0x111B9,0x111BA,0x111BB, |
| 0x111BC,0x111BD,0x111BE,0x111CA,0x111CB,0x111CC,0x1122F,0x11230, |
| 0x11231,0x11234,0x11236,0x11237,0x112DF,0x112E3,0x112E4,0x112E5, |
| 0x112E6,0x112E7,0x112E8,0x112E9,0x112EA,0x11300,0x11301,0x1133C, |
| 0x11340,0x11366,0x11367,0x11368,0x11369,0x1136A,0x1136B,0x1136C, |
| 0x11370,0x11371,0x11372,0x11373,0x11374,0x114B3,0x114B4,0x114B5, |
| 0x114B6,0x114B7,0x114B8,0x114BA,0x114BF,0x114C0,0x114C2,0x114C3, |
| 0x115B2,0x115B3,0x115B4,0x115B5,0x115BC,0x115BD,0x115BF,0x115C0, |
| 0x115DC,0x115DD,0x11633,0x11634,0x11635,0x11636,0x11637,0x11638, |
| 0x11639,0x1163A,0x1163D,0x1163F,0x11640,0x116AB,0x116AD,0x116B0, |
| 0x116B1,0x116B2,0x116B3,0x116B4,0x116B5,0x116B7,0x1171D,0x1171E, |
| 0x1171F,0x11722,0x11723,0x11724,0x11725,0x11727,0x11728,0x11729, |
| 0x1172A,0x1172B,0x16AF0,0x16AF1,0x16AF2,0x16AF3,0x16AF4,0x16B30, |
| 0x16B31,0x16B32,0x16B33,0x16B34,0x16B35,0x16B36,0x16F8F,0x16F90, |
| 0x16F91,0x16F92,0x1BC9D,0x1BC9E,0x1D167,0x1D168,0x1D169,0x1D17B, |
| 0x1D17C,0x1D17D,0x1D17E,0x1D17F,0x1D180,0x1D181,0x1D182,0x1D185, |
| 0x1D186,0x1D187,0x1D188,0x1D189,0x1D18A,0x1D18B,0x1D1AA,0x1D1AB, |
| 0x1D1AC,0x1D1AD,0x1D242,0x1D243,0x1D244,0x1DA00,0x1DA01,0x1DA02, |
| 0x1DA03,0x1DA04,0x1DA05,0x1DA06,0x1DA07,0x1DA08,0x1DA09,0x1DA0A, |
| 0x1DA0B,0x1DA0C,0x1DA0D,0x1DA0E,0x1DA0F,0x1DA10,0x1DA11,0x1DA12, |
| 0x1DA13,0x1DA14,0x1DA15,0x1DA16,0x1DA17,0x1DA18,0x1DA19,0x1DA1A, |
| 0x1DA1B,0x1DA1C,0x1DA1D,0x1DA1E,0x1DA1F,0x1DA20,0x1DA21,0x1DA22, |
| 0x1DA23,0x1DA24,0x1DA25,0x1DA26,0x1DA27,0x1DA28,0x1DA29,0x1DA2A, |
| 0x1DA2B,0x1DA2C,0x1DA2D,0x1DA2E,0x1DA2F,0x1DA30,0x1DA31,0x1DA32, |
| 0x1DA33,0x1DA34,0x1DA35,0x1DA36,0x1DA3B,0x1DA3C,0x1DA3D,0x1DA3E, |
| 0x1DA3F,0x1DA40,0x1DA41,0x1DA42,0x1DA43,0x1DA44,0x1DA45,0x1DA46, |
| 0x1DA47,0x1DA48,0x1DA49,0x1DA4A,0x1DA4B,0x1DA4C,0x1DA4D,0x1DA4E, |
| 0x1DA4F,0x1DA50,0x1DA51,0x1DA52,0x1DA53,0x1DA54,0x1DA55,0x1DA56, |
| 0x1DA57,0x1DA58,0x1DA59,0x1DA5A,0x1DA5B,0x1DA5C,0x1DA5D,0x1DA5E, |
| 0x1DA5F,0x1DA60,0x1DA61,0x1DA62,0x1DA63,0x1DA64,0x1DA65,0x1DA66, |
| 0x1DA67,0x1DA68,0x1DA69,0x1DA6A,0x1DA6B,0x1DA6C,0x1DA75,0x1DA84, |
| 0x1DA9B,0x1DA9C,0x1DA9D,0x1DA9E,0x1DA9F,0x1DAA1,0x1DAA2,0x1DAA3, |
| 0x1DAA4,0x1DAA5,0x1DAA6,0x1DAA7,0x1DAA8,0x1DAA9,0x1DAAA,0x1DAAB, |
| 0x1DAAC,0x1DAAD,0x1DAAE,0x1DAAF,0x1E8D0,0x1E8D1,0x1E8D2,0x1E8D3, |
| 0x1E8D4,0x1E8D5,0x1E8D6,0xE0100,0xE0101,0xE0102,0xE0103,0xE0104, |
| 0xE0105,0xE0106,0xE0107,0xE0108,0xE0109,0xE010A,0xE010B,0xE010C, |
| 0xE010D,0xE010E,0xE010F,0xE0110,0xE0111,0xE0112,0xE0113,0xE0114, |
| 0xE0115,0xE0116,0xE0117,0xE0118,0xE0119,0xE011A,0xE011B,0xE011C, |
| 0xE011D,0xE011E,0xE011F,0xE0120,0xE0121,0xE0122,0xE0123,0xE0124, |
| 0xE0125,0xE0126,0xE0127,0xE0128,0xE0129,0xE012A,0xE012B,0xE012C, |
| 0xE012D,0xE012E,0xE012F,0xE0130,0xE0131,0xE0132,0xE0133,0xE0134, |
| 0xE0135,0xE0136,0xE0137,0xE0138,0xE0139,0xE013A,0xE013B,0xE013C, |
| 0xE013D,0xE013E,0xE013F,0xE0140,0xE0141,0xE0142,0xE0143,0xE0144, |
| 0xE0145,0xE0146,0xE0147,0xE0148,0xE0149,0xE014A,0xE014B,0xE014C, |
| 0xE014D,0xE014E,0xE014F,0xE0150,0xE0151,0xE0152,0xE0153,0xE0154, |
| 0xE0155,0xE0156,0xE0157,0xE0158,0xE0159,0xE015A,0xE015B,0xE015C, |
| 0xE015D,0xE015E,0xE015F,0xE0160,0xE0161,0xE0162,0xE0163,0xE0164, |
| 0xE0165,0xE0166,0xE0167,0xE0168,0xE0169,0xE016A,0xE016B,0xE016C, |
| 0xE016D,0xE016E,0xE016F,0xE0170,0xE0171,0xE0172,0xE0173,0xE0174, |
| 0xE0175,0xE0176,0xE0177,0xE0178,0xE0179,0xE017A,0xE017B,0xE017C, |
| 0xE017D,0xE017E,0xE017F,0xE0180,0xE0181,0xE0182,0xE0183,0xE0184, |
| 0xE0185,0xE0186,0xE0187,0xE0188,0xE0189,0xE018A,0xE018B,0xE018C, |
| 0xE018D,0xE018E,0xE018F,0xE0190,0xE0191,0xE0192,0xE0193,0xE0194, |
| 0xE0195,0xE0196,0xE0197,0xE0198,0xE0199,0xE019A,0xE019B,0xE019C, |
| 0xE019D,0xE019E,0xE019F,0xE01A0,0xE01A1,0xE01A2,0xE01A3,0xE01A4, |
| 0xE01A5,0xE01A6,0xE01A7,0xE01A8,0xE01A9,0xE01AA,0xE01AB,0xE01AC, |
| 0xE01AD,0xE01AE,0xE01AF,0xE01B0,0xE01B1,0xE01B2,0xE01B3,0xE01B4, |
| 0xE01B5,0xE01B6,0xE01B7,0xE01B8,0xE01B9,0xE01BA,0xE01BB,0xE01BC, |
| 0xE01BD,0xE01BE,0xE01BF,0xE01C0,0xE01C1,0xE01C2,0xE01C3,0xE01C4, |
| 0xE01C5,0xE01C6,0xE01C7,0xE01C8,0xE01C9,0xE01CA,0xE01CB,0xE01CC, |
| 0xE01CD,0xE01CE,0xE01CF,0xE01D0,0xE01D1,0xE01D2,0xE01D3,0xE01D4, |
| 0xE01D5,0xE01D6,0xE01D7,0xE01D8,0xE01D9,0xE01DA,0xE01DB,0xE01DC, |
| 0xE01DD,0xE01DE,0xE01DF,0xE01E0,0xE01E1,0xE01E2,0xE01E3,0xE01E4, |
| 0xE01E5,0xE01E6,0xE01E7,0xE01E8,0xE01E9,0xE01EA,0xE01EB,0xE01EC, |
| 0xE01ED,0xE01EE,0xE01EF, |
| }; |
| |
| static int unicodeCombiningCharTableSize = sizeof(unicodeCombiningCharTable) / sizeof(unicodeCombiningCharTable[0]); |
| |
| inline int unicodeIsCombiningChar(unsigned long cp) |
| { |
| int i; |
| for (i = 0; i < unicodeCombiningCharTableSize; i++) { |
| if (unicodeCombiningCharTable[i] == cp) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| /* Get length of previous UTF8 character |
| */ |
| inline int unicodePrevUTF8CharLen(char* buf, int pos) |
| { |
| int end = pos--; |
| while (pos >= 0 && ((unsigned char)buf[pos] & 0xC0) == 0x80) { |
| pos--; |
| } |
| return end - pos; |
| } |
| |
| /* Get length of previous UTF8 character |
| */ |
| inline int unicodeUTF8CharLen(char* buf, int buf_len, int pos) |
| { |
| if (pos == buf_len) { return 0; } |
| unsigned char ch = buf[pos]; |
| if (ch < 0x80) { return 1; } |
| else if (ch < 0xE0) { return 2; } |
| else if (ch < 0xF0) { return 3; } |
| else { return 4; } |
| } |
| |
| /* Convert UTF8 to Unicode code point |
| */ |
| inline int unicodeUTF8CharToCodePoint( |
| const char* buf, |
| int len, |
| int* cp) |
| { |
| if (len) { |
| unsigned char byte = buf[0]; |
| if ((byte & 0x80) == 0) { |
| *cp = byte; |
| return 1; |
| } else if ((byte & 0xE0) == 0xC0) { |
| if (len >= 2) { |
| *cp = (((unsigned long)(buf[0] & 0x1F)) << 6) | |
| ((unsigned long)(buf[1] & 0x3F)); |
| return 2; |
| } |
| } else if ((byte & 0xF0) == 0xE0) { |
| if (len >= 3) { |
| *cp = (((unsigned long)(buf[0] & 0x0F)) << 12) | |
| (((unsigned long)(buf[1] & 0x3F)) << 6) | |
| ((unsigned long)(buf[2] & 0x3F)); |
| return 3; |
| } |
| } else if ((byte & 0xF8) == 0xF0) { |
| if (len >= 4) { |
| *cp = (((unsigned long)(buf[0] & 0x07)) << 18) | |
| (((unsigned long)(buf[1] & 0x3F)) << 12) | |
| (((unsigned long)(buf[2] & 0x3F)) << 6) | |
| ((unsigned long)(buf[3] & 0x3F)); |
| return 4; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| /* Get length of grapheme |
| */ |
| inline int unicodeGraphemeLen(char* buf, int buf_len, int pos) |
| { |
| if (pos == buf_len) { |
| return 0; |
| } |
| int beg = pos; |
| pos += unicodeUTF8CharLen(buf, buf_len, pos); |
| while (pos < buf_len) { |
| int len = unicodeUTF8CharLen(buf, buf_len, pos); |
| int cp = 0; |
| unicodeUTF8CharToCodePoint(buf + pos, len, &cp); |
| if (!unicodeIsCombiningChar(cp)) { |
| return pos - beg; |
| } |
| pos += len; |
| } |
| return pos - beg; |
| } |
| |
| /* Get length of previous grapheme |
| */ |
| inline int unicodePrevGraphemeLen(char* buf, int pos) |
| { |
| if (pos == 0) { |
| return 0; |
| } |
| int end = pos; |
| while (pos > 0) { |
| int len = unicodePrevUTF8CharLen(buf, pos); |
| pos -= len; |
| int cp = 0; |
| unicodeUTF8CharToCodePoint(buf + pos, len, &cp); |
| if (!unicodeIsCombiningChar(cp)) { |
| return end - pos; |
| } |
| } |
| return 0; |
| } |
| |
| inline int isAnsiEscape(const char* buf, int buf_len, int* len) |
| { |
| if (buf_len > 2 && !memcmp("\033[", buf, 2)) { |
| int off = 2; |
| while (off < buf_len) { |
| switch (buf[off++]) { |
| case 'A': case 'B': case 'C': case 'D': |
| case 'E': case 'F': case 'G': case 'H': |
| case 'J': case 'K': case 'S': case 'T': |
| case 'f': case 'm': |
| *len = off; |
| return 1; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| /* Get column position for the single line mode. |
| */ |
| inline int unicodeColumnPos(const char* buf, int buf_len) |
| { |
| int ret = 0; |
| |
| int off = 0; |
| while (off < buf_len) { |
| int len; |
| if (isAnsiEscape(buf + off, buf_len - off, &len)) { |
| off += len; |
| continue; |
| } |
| |
| int cp = 0; |
| len = unicodeUTF8CharToCodePoint(buf + off, buf_len - off, &cp); |
| |
| if (!unicodeIsCombiningChar(cp)) { |
| ret += unicodeIsWideChar(cp) ? 2 : 1; |
| } |
| |
| off += len; |
| } |
| |
| return ret; |
| } |
| |
| /* Get column position for the multi line mode. |
| */ |
| inline int unicodeColumnPosForMultiLine(char* buf, int buf_len, int pos, int cols, int ini_pos) |
| { |
| int ret = 0; |
| int colwid = ini_pos; |
| |
| int off = 0; |
| while (off < buf_len) { |
| int cp = 0; |
| int len = unicodeUTF8CharToCodePoint(buf + off, buf_len - off, &cp); |
| |
| int wid = 0; |
| if (!unicodeIsCombiningChar(cp)) { |
| wid = unicodeIsWideChar(cp) ? 2 : 1; |
| } |
| |
| int dif = (int)(colwid + wid) - (int)cols; |
| if (dif > 0) { |
| ret += dif; |
| colwid = wid; |
| } else if (dif == 0) { |
| colwid = 0; |
| } else { |
| colwid += wid; |
| } |
| |
| if (off >= pos) { |
| break; |
| } |
| |
| off += len; |
| ret += wid; |
| } |
| |
| return ret; |
| } |
| |
| /* Read UTF8 character from file. |
| */ |
| inline int unicodeReadUTF8Char(int fd, char* buf, int* cp) |
| { |
| int nread = read(fd,&buf[0],1); |
| |
| if (nread <= 0) { return nread; } |
| |
| unsigned char byte = buf[0]; |
| |
| if ((byte & 0x80) == 0) { |
| ; |
| } else if ((byte & 0xE0) == 0xC0) { |
| nread = read(fd,&buf[1],1); |
| if (nread <= 0) { return nread; } |
| } else if ((byte & 0xF0) == 0xE0) { |
| nread = read(fd,&buf[1],2); |
| if (nread <= 0) { return nread; } |
| } else if ((byte & 0xF8) == 0xF0) { |
| nread = read(fd,&buf[1],3); |
| if (nread <= 0) { return nread; } |
| } else { |
| return -1; |
| } |
| |
| return unicodeUTF8CharToCodePoint(buf, 4, cp); |
| } |
| |
| /* ======================= Low level terminal handling ====================== */ |
| |
| /* Set if to use or not the multi line mode. */ |
| inline void SetMultiLine(bool ml) { |
| mlmode = ml; |
| } |
| |
| /* Return true if the terminal name is in the list of terminals we know are |
| * not able to understand basic escape sequences. */ |
| inline bool isUnsupportedTerm(void) { |
| #ifndef _WIN32 |
| char *term = getenv("TERM"); |
| int j; |
| |
| if (term == NULL) return false; |
| for (j = 0; unsupported_term[j]; j++) |
| if (!strcasecmp(term,unsupported_term[j])) return true; |
| #endif |
| return false; |
| } |
| |
| /* Raw mode: 1960 magic shit. */ |
| inline bool enableRawMode(int fd) { |
| #ifndef _WIN32 |
| struct termios raw; |
| |
| if (!isatty(STDIN_FILENO)) goto fatal; |
| if (!atexit_registered) { |
| atexit(linenoiseAtExit); |
| atexit_registered = true; |
| } |
| if (tcgetattr(fd,&orig_termios) == -1) goto fatal; |
| |
| raw = orig_termios; /* modify the original mode */ |
| /* input modes: no break, no CR to NL, no parity check, no strip char, |
| * no start/stop output control. */ |
| raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); |
| /* output modes - disable post processing */ |
| // NOTE: Multithreaded issue #20 (https://github.com/yhirose/cpp-linenoise/issues/20) |
| // raw.c_oflag &= ~(OPOST); |
| /* control modes - set 8 bit chars */ |
| raw.c_cflag |= (CS8); |
| /* local modes - choing off, canonical off, no extended functions, |
| * no signal chars (^Z,^C) */ |
| raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); |
| /* control chars - set return condition: min number of bytes and timer. |
| * We want read to return every single byte, without timeout. */ |
| raw.c_cc[VMIN] = 1; raw.c_cc[VTIME] = 0; /* 1 byte, no timer */ |
| |
| /* put terminal in raw mode after flushing */ |
| if (tcsetattr(fd,TCSAFLUSH,&raw) < 0) goto fatal; |
| rawmode = true; |
| #else |
| if (!atexit_registered) { |
| /* Cleanup them at exit */ |
| atexit(linenoiseAtExit); |
| atexit_registered = true; |
| |
| /* Init windows console handles only once */ |
| hOut = GetStdHandle(STD_OUTPUT_HANDLE); |
| if (hOut==INVALID_HANDLE_VALUE) goto fatal; |
| } |
| |
| DWORD consolemodeOut; |
| if (!GetConsoleMode(hOut, &consolemodeOut)) { |
| CloseHandle(hOut); |
| errno = ENOTTY; |
| return false; |
| }; |
| |
| hIn = GetStdHandle(STD_INPUT_HANDLE); |
| if (hIn == INVALID_HANDLE_VALUE) { |
| CloseHandle(hOut); |
| errno = ENOTTY; |
| return false; |
| } |
| |
| GetConsoleMode(hIn, &consolemodeIn); |
| DWORD consolemodeInWithRaw = consolemodeIn & ~ENABLE_PROCESSED_INPUT; |
| SetConsoleMode(hIn, consolemodeInWithRaw); |
| |
| rawmode = true; |
| #endif |
| return true; |
| |
| fatal: |
| errno = ENOTTY; |
| return false; |
| } |
| |
| inline void disableRawMode(int fd) { |
| #ifdef _WIN32 |
| if (consolemodeIn) { |
| SetConsoleMode(hIn, consolemodeIn); |
| consolemodeIn = 0; |
| } |
| rawmode = false; |
| #else |
| /* Don't even check the return value as it's too late. */ |
| if (rawmode && tcsetattr(fd,TCSAFLUSH,&orig_termios) != -1) |
| rawmode = false; |
| #endif |
| } |
| |
| /* Use the ESC [6n escape sequence to query the horizontal cursor position |
| * and return it. On error -1 is returned, on success the position of the |
| * cursor. */ |
| inline int getCursorPosition(int ifd, int ofd) { |
| char buf[32]; |
| int cols, rows; |
| unsigned int i = 0; |
| |
| /* Report cursor location */ |
| if (write(ofd, "\x1b[6n", 4) != 4) return -1; |
| |
| /* Read the response: ESC [ rows ; cols R */ |
| while (i < sizeof(buf)-1) { |
| if (read(ifd,buf+i,1) != 1) break; |
| if (buf[i] == 'R') break; |
| i++; |
| } |
| buf[i] = '\0'; |
| |
| /* Parse it. */ |
| if (buf[0] != ESC || buf[1] != '[') return -1; |
| if (sscanf(buf+2,"%d;%d",&rows,&cols) != 2) return -1; |
| return cols; |
| } |
| |
| /* Try to get the number of columns in the current terminal, or assume 80 |
| * if it fails. */ |
| inline int getColumns(int ifd, int ofd) { |
| #ifdef _WIN32 |
| CONSOLE_SCREEN_BUFFER_INFO b; |
| |
| if (!GetConsoleScreenBufferInfo(hOut, &b)) return 80; |
| return b.srWindow.Right - b.srWindow.Left; |
| #else |
| struct winsize ws; |
| |
| if (ioctl(1, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0) { |
| /* ioctl() failed. Try to query the terminal itself. */ |
| int start, cols; |
| |
| /* Get the initial position so we can restore it later. */ |
| start = getCursorPosition(ifd,ofd); |
| if (start == -1) goto failed; |
| |
| /* Go to right margin and get position. */ |
| if (write(ofd,"\x1b[999C",6) != 6) goto failed; |
| cols = getCursorPosition(ifd,ofd); |
| if (cols == -1) goto failed; |
| |
| /* Restore position. */ |
| if (cols > start) { |
| char seq[32]; |
| snprintf(seq,32,"\x1b[%dD",cols-start); |
| if (write(ofd,seq,strlen(seq)) == -1) { |
| /* Can't recover... */ |
| } |
| } |
| return cols; |
| } else { |
| return ws.ws_col; |
| } |
| |
| failed: |
| return 80; |
| #endif |
| } |
| |
| /* Clear the screen. Used to handle ctrl+l */ |
| inline void linenoiseClearScreen(void) { |
| if (write(STDOUT_FILENO,"\x1b[H\x1b[2J",7) <= 0) { |
| /* nothing to do, just to avoid warning. */ |
| } |
| } |
| |
| /* Beep, used for completion when there is nothing to complete or when all |
| * the choices were already shown. */ |
| inline void linenoiseBeep(void) { |
| fprintf(stderr, "\x7"); |
| fflush(stderr); |
| } |
| |
| /* ============================== Completion ================================ */ |
| |
| /* This is an helper function for linenoiseEdit() and is called when the |
| * user types the <tab> key in order to complete the string currently in the |
| * input. |
| * |
| * The state of the editing is encapsulated into the pointed linenoiseState |
| * structure as described in the structure definition. */ |
| inline int completeLine(struct linenoiseState *ls, char *cbuf, int *c) { |
| std::vector<std::string> lc; |
| int nread = 0, nwritten; |
| *c = 0; |
| |
| completionCallback(ls->buf,lc); |
| if (lc.empty()) { |
| linenoiseBeep(); |
| } else { |
| int stop = 0, i = 0; |
| |
| while(!stop) { |
| /* Show completion or original buffer */ |
| if (i < static_cast<int>(lc.size())) { |
| struct linenoiseState saved = *ls; |
| |
| ls->len = ls->pos = static_cast<int>(lc[i].size()); |
| ls->buf = &lc[i][0]; |
| refreshLine(ls); |
| ls->len = saved.len; |
| ls->pos = saved.pos; |
| ls->buf = saved.buf; |
| } else { |
| refreshLine(ls); |
| } |
| |
| //nread = read(ls->ifd,&c,1); |
| #ifdef _WIN32 |
| nread = win32read(c); |
| if (nread == 1) { |
| cbuf[0] = *c; |
| } |
| #else |
| nread = unicodeReadUTF8Char(ls->ifd,cbuf,c); |
| #endif |
| if (nread <= 0) { |
| *c = -1; |
| return nread; |
| } |
| |
| switch(*c) { |
| case 9: /* tab */ |
| i = (i+1) % (lc.size()+1); |
| if (i == static_cast<int>(lc.size())) linenoiseBeep(); |
| break; |
| case 27: /* escape */ |
| /* Re-show original buffer */ |
| if (i < static_cast<int>(lc.size())) refreshLine(ls); |
| stop = 1; |
| break; |
| default: |
| /* Update buffer and return */ |
| if (i < static_cast<int>(lc.size())) { |
| nwritten = snprintf(ls->buf,ls->buflen,"%s",&lc[i][0]); |
| ls->len = ls->pos = nwritten; |
| } |
| stop = 1; |
| break; |
| } |
| } |
| } |
| |
| return nread; |
| } |
| |
| /* Register a callback function to be called for tab-completion. */ |
| inline void SetCompletionCallback(CompletionCallback fn) { |
| completionCallback = fn; |
| } |
| |
| /* =========================== Line editing ================================= */ |
| |
| /* Single line low level line refresh. |
| * |
| * Rewrite the currently edited line accordingly to the buffer content, |
| * cursor position, and number of columns of the terminal. */ |
| inline void refreshSingleLine(struct linenoiseState *l) { |
| char seq[64]; |
| int pcolwid = unicodeColumnPos(l->prompt.c_str(), static_cast<int>(l->prompt.length())); |
| int fd = l->ofd; |
| char *buf = l->buf; |
| int len = l->len; |
| int pos = l->pos; |
| std::string ab; |
| |
| while((pcolwid+unicodeColumnPos(buf, pos)) >= l->cols) { |
| int glen = unicodeGraphemeLen(buf, len, 0); |
| buf += glen; |
| len -= glen; |
| pos -= glen; |
| } |
| while (pcolwid+unicodeColumnPos(buf, len) > l->cols) { |
| len -= unicodePrevGraphemeLen(buf, len); |
| } |
| |
| /* Cursor to left edge */ |
| snprintf(seq,64,"\r"); |
| ab += seq; |
| /* Write the prompt and the current buffer content */ |
| ab += l->prompt; |
| ab.append(buf, len); |
| /* Erase to right */ |
| snprintf(seq,64,"\x1b[0K"); |
| ab += seq; |
| /* Move cursor to original position. */ |
| snprintf(seq,64,"\r\x1b[%dC", (int)(unicodeColumnPos(buf, pos)+pcolwid)); |
| ab += seq; |
| if (write(fd,ab.c_str(), static_cast<int>(ab.length())) == -1) {} /* Can't recover from write error. */ |
| } |
| |
| /* Multi line low level line refresh. |
| * |
| * Rewrite the currently edited line accordingly to the buffer content, |
| * cursor position, and number of columns of the terminal. */ |
| inline void refreshMultiLine(struct linenoiseState *l) { |
| char seq[64]; |
| int pcolwid = unicodeColumnPos(l->prompt.c_str(), static_cast<int>(l->prompt.length())); |
| int colpos = unicodeColumnPosForMultiLine(l->buf, l->len, l->len, l->cols, pcolwid); |
| int colpos2; /* cursor column position. */ |
| int rows = (pcolwid+colpos+l->cols-1)/l->cols; /* rows used by current buf. */ |
| int rpos = (pcolwid+l->oldcolpos+l->cols)/l->cols; /* cursor relative row. */ |
| int rpos2; /* rpos after refresh. */ |
| int col; /* colum position, zero-based. */ |
| int old_rows = (int)l->maxrows; |
| int fd = l->ofd, j; |
| std::string ab; |
| |
| /* Update maxrows if needed. */ |
| if (rows > (int)l->maxrows) l->maxrows = rows; |
| |
| /* First step: clear all the lines used before. To do so start by |
| * going to the last row. */ |
| if (old_rows-rpos > 0) { |
| snprintf(seq,64,"\x1b[%dB", old_rows-rpos); |
| ab += seq; |
| } |
| |
| /* Now for every row clear it, go up. */ |
| for (j = 0; j < old_rows-1; j++) { |
| snprintf(seq,64,"\r\x1b[0K\x1b[1A"); |
| ab += seq; |
| } |
| |
| /* Clean the top line. */ |
| snprintf(seq,64,"\r\x1b[0K"); |
| ab += seq; |
| |
| /* Write the prompt and the current buffer content */ |
| ab += l->prompt; |
| ab.append(l->buf, l->len); |
| |
| /* Get text width to cursor position */ |
| colpos2 = unicodeColumnPosForMultiLine(l->buf, l->len, l->pos, l->cols, pcolwid); |
| |
| /* 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 (l->pos && |
| l->pos == l->len && |
| (colpos2+pcolwid) % l->cols == 0) |
| { |
| ab += "\n"; |
| snprintf(seq,64,"\r"); |
| ab += seq; |
| rows++; |
| if (rows > (int)l->maxrows) l->maxrows = rows; |
| } |
| |
| /* Move cursor to right position. */ |
| rpos2 = (pcolwid+colpos2+l->cols)/l->cols; /* current cursor relative row. */ |
| |
| /* Go up till we reach the expected positon. */ |
| if (rows-rpos2 > 0) { |
| snprintf(seq,64,"\x1b[%dA", rows-rpos2); |
| ab += seq; |
| } |
| |
| /* Set column. */ |
| col = (pcolwid + colpos2) % l->cols; |
| if (col) |
| snprintf(seq,64,"\r\x1b[%dC", col); |
| else |
| snprintf(seq,64,"\r"); |
| ab += seq; |
| |
| l->oldcolpos = colpos2; |
| |
| if (write(fd,ab.c_str(), static_cast<int>(ab.length())) == -1) {} /* Can't recover from write error. */ |
| } |
| |
| /* Calls the two low level functions refreshSingleLine() or |
| * refreshMultiLine() according to the selected mode. */ |
| inline void refreshLine(struct linenoiseState *l) { |
| if (mlmode) |
| refreshMultiLine(l); |
| else |
| refreshSingleLine(l); |
| } |
| |
| /* Insert the character 'c' at cursor current position. |
| * |
| * On error writing to the terminal -1 is returned, otherwise 0. */ |
| inline int linenoiseEditInsert(struct linenoiseState *l, const char* cbuf, int clen) { |
| if (l->len < l->buflen) { |
| if (l->len == l->pos) { |
| memcpy(&l->buf[l->pos],cbuf,clen); |
| l->pos+=clen; |
| l->len+=clen;; |
| l->buf[l->len] = '\0'; |
| if ((!mlmode && unicodeColumnPos(l->prompt.c_str(), static_cast<int>(l->prompt.length()))+unicodeColumnPos(l->buf,l->len) < l->cols) /* || mlmode */) { |
| /* Avoid a full update of the line in the |
| * trivial case. */ |
| if (write(l->ofd,cbuf,clen) == -1) return -1; |
| } else { |
| refreshLine(l); |
| } |
| } else { |
| memmove(l->buf+l->pos+clen,l->buf+l->pos,l->len-l->pos); |
| memcpy(&l->buf[l->pos],cbuf,clen); |
| l->pos+=clen; |
| l->len+=clen; |
| l->buf[l->len] = '\0'; |
| refreshLine(l); |
| } |
| } |
| return 0; |
| } |
| |
| /* Move cursor on the left. */ |
| inline void linenoiseEditMoveLeft(struct linenoiseState *l) { |
| if (l->pos > 0) { |
| l->pos -= unicodePrevGraphemeLen(l->buf, l->pos); |
| refreshLine(l); |
| } |
| } |
| |
| /* Move cursor on the right. */ |
| inline void linenoiseEditMoveRight(struct linenoiseState *l) { |
| if (l->pos != l->len) { |
| l->pos += unicodeGraphemeLen(l->buf, l->len, l->pos); |
| refreshLine(l); |
| } |
| } |
| |
| /* Move cursor to the start of the line. */ |
| inline void linenoiseEditMoveHome(struct linenoiseState *l) { |
| if (l->pos != 0) { |
| l->pos = 0; |
| refreshLine(l); |
| } |
| } |
| |
| /* Move cursor to the end of the line. */ |
| inline void linenoiseEditMoveEnd(struct linenoiseState *l) { |
| if (l->pos != l->len) { |
| l->pos = l->len; |
| refreshLine(l); |
| } |
| } |
| |
| /* Substitute the currently edited line with the next or previous history |
| * entry as specified by 'dir'. */ |
| #define LINENOISE_HISTORY_NEXT 0 |
| #define LINENOISE_HISTORY_PREV 1 |
| inline void linenoiseEditHistoryNext(struct linenoiseState *l, int dir) { |
| if (history.size() > 1) { |
| /* Update the current history entry before to |
| * overwrite it with the next one. */ |
| history[history.size() - 1 - l->history_index] = l->buf; |
| /* Show the new entry */ |
| l->history_index += (dir == LINENOISE_HISTORY_PREV) ? 1 : -1; |
| if (l->history_index < 0) { |
| l->history_index = 0; |
| return; |
| } else if (l->history_index >= (int)history.size()) { |
| l->history_index = static_cast<int>(history.size())-1; |
| return; |
| } |
| memset(l->buf, 0, l->buflen); |
| strcpy(l->buf,history[history.size() - 1 - l->history_index].c_str()); |
| l->len = l->pos = static_cast<int>(strlen(l->buf)); |
| refreshLine(l); |
| } |
| } |
| |
| /* Delete the character at the right of the cursor without altering the cursor |
| * position. Basically this is what happens with the "Delete" keyboard key. */ |
| inline void linenoiseEditDelete(struct linenoiseState *l) { |
| if (l->len > 0 && l->pos < l->len) { |
| int glen = unicodeGraphemeLen(l->buf,l->len,l->pos); |
| memmove(l->buf+l->pos,l->buf+l->pos+glen,l->len-l->pos-glen); |
| l->len-=glen; |
| l->buf[l->len] = '\0'; |
| refreshLine(l); |
| } |
| } |
| |
| /* Backspace implementation. */ |
| inline void linenoiseEditBackspace(struct linenoiseState *l) { |
| if (l->pos > 0 && l->len > 0) { |
| int glen = unicodePrevGraphemeLen(l->buf,l->pos); |
| memmove(l->buf+l->pos-glen,l->buf+l->pos,l->len-l->pos); |
| l->pos-=glen; |
| l->len-=glen; |
| l->buf[l->len] = '\0'; |
| refreshLine(l); |
| } |
| } |
| |
| /* Delete the previosu word, maintaining the cursor at the start of the |
| * current word. */ |
| inline void linenoiseEditDeletePrevWord(struct linenoiseState *l) { |
| int old_pos = l->pos; |
| int diff; |
| |
| while (l->pos > 0 && l->buf[l->pos-1] == ' ') |
| l->pos--; |
| while (l->pos > 0 && l->buf[l->pos-1] != ' ') |
| l->pos--; |
| diff = old_pos - l->pos; |
| memmove(l->buf+l->pos,l->buf+old_pos,l->len-old_pos+1); |
| l->len -= diff; |
| refreshLine(l); |
| } |
| |
| /* This function is the core of the line editing capability of linenoise. |
| * 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. |
| * |
| * The function returns the length of the current buffer. */ |
| inline int linenoiseEdit(int stdin_fd, int stdout_fd, char *buf, int buflen, const char *prompt) |
| { |
| struct linenoiseState l; |
| |
| /* Populate the linenoise state that we pass to functions implementing |
| * specific editing functionalities. */ |
| l.ifd = stdin_fd; |
| l.ofd = stdout_fd; |
| l.buf = buf; |
| l.buflen = buflen; |
| l.prompt = prompt; |
| l.oldcolpos = l.pos = 0; |
| l.len = 0; |
| l.cols = getColumns(stdin_fd, stdout_fd); |
| l.maxrows = 0; |
| l.history_index = 0; |
| |
| /* Buffer starts empty. */ |
| l.buf[0] = '\0'; |
| l.buflen--; /* Make sure there is always space for the nulterm */ |
| |
| /* The latest history entry is always our current buffer, that |
| * initially is just an empty string. */ |
| AddHistory(""); |
| |
| if (write(l.ofd,prompt, static_cast<int>(l.prompt.length())) == -1) return -1; |
| while(1) { |
| int c; |
| char cbuf[4]; |
| int nread; |
| char seq[3]; |
| |
| #ifdef _WIN32 |
| nread = win32read(&c); |
| if (nread == 1) { |
| cbuf[0] = c; |
| } |
| #else |
| nread = unicodeReadUTF8Char(l.ifd,cbuf,&c); |
| #endif |
| if (nread <= 0) return (int)l.len; |
| |
| /* Only autocomplete when the callback is set. It returns < 0 when |
| * there was an error reading from fd. Otherwise it will return the |
| * character that should be handled next. */ |
| if (c == 9 && completionCallback != NULL) { |
| nread = completeLine(&l,cbuf,&c); |
| /* Return on errors */ |
| if (c < 0) return l.len; |
| /* Read next character when 0 */ |
| if (c == 0) continue; |
| } |
| |
| switch(c) { |
| case ENTER: /* enter */ |
| if (!history.empty()) history.pop_back(); |
| if (mlmode) linenoiseEditMoveEnd(&l); |
| return (int)l.len; |
| case CTRL_C: /* ctrl-c */ |
| errno = EAGAIN; |
| return -1; |
| case BACKSPACE: /* backspace */ |
| case 8: /* ctrl-h */ |
| linenoiseEditBackspace(&l); |
| break; |
| case CTRL_D: /* ctrl-d, remove char at right of cursor, or if the |
| line is empty, act as end-of-file. */ |
| if (l.len > 0) { |
| linenoiseEditDelete(&l); |
| } else { |
| history.pop_back(); |
| return -1; |
| } |
| break; |
| case CTRL_T: /* ctrl-t, swaps current character with previous. */ |
| if (l.pos > 0 && l.pos < l.len) { |
| char aux = buf[l.pos-1]; |
| buf[l.pos-1] = buf[l.pos]; |
| buf[l.pos] = aux; |
| if (l.pos != l.len-1) l.pos++; |
| refreshLine(&l); |
| } |
| break; |
| case CTRL_B: /* ctrl-b */ |
| linenoiseEditMoveLeft(&l); |
| break; |
| case CTRL_F: /* ctrl-f */ |
| linenoiseEditMoveRight(&l); |
| break; |
| case CTRL_P: /* ctrl-p */ |
| linenoiseEditHistoryNext(&l, LINENOISE_HISTORY_PREV); |
| break; |
| case CTRL_N: /* ctrl-n */ |
| linenoiseEditHistoryNext(&l, LINENOISE_HISTORY_NEXT); |
| break; |
| case ESC: /* escape sequence */ |
| /* Read the next two bytes representing the escape sequence. |
| * Use two calls to handle slow terminals returning the two |
| * chars at different times. */ |
| if (read(l.ifd,seq,1) == -1) break; |
| if (read(l.ifd,seq+1,1) == -1) break; |
| |
| /* ESC [ sequences. */ |
| if (seq[0] == '[') { |
| if (seq[1] >= '0' && seq[1] <= '9') { |
| /* Extended escape, read additional byte. */ |
| if (read(l.ifd,seq+2,1) == -1) break; |
| if (seq[2] == '~') { |
| switch(seq[1]) { |
| case '3': /* Delete key. */ |
| linenoiseEditDelete(&l); |
| break; |
| } |
| } |
| } else { |
| switch(seq[1]) { |
| case 'A': /* Up */ |
| linenoiseEditHistoryNext(&l, LINENOISE_HISTORY_PREV); |
| break; |
| case 'B': /* Down */ |
| linenoiseEditHistoryNext(&l, LINENOISE_HISTORY_NEXT); |
| break; |
| case 'C': /* Right */ |
| linenoiseEditMoveRight(&l); |
| break; |
| case 'D': /* Left */ |
| linenoiseEditMoveLeft(&l); |
| break; |
| case 'H': /* Home */ |
| linenoiseEditMoveHome(&l); |
| break; |
| case 'F': /* End*/ |
| linenoiseEditMoveEnd(&l); |
| break; |
| } |
| } |
| } |
| |
| /* ESC O sequences. */ |
| else if (seq[0] == 'O') { |
| switch(seq[1]) { |
| case 'H': /* Home */ |
| linenoiseEditMoveHome(&l); |
| break; |
| case 'F': /* End*/ |
| linenoiseEditMoveEnd(&l); |
| break; |
| } |
| } |
| break; |
| default: |
| if (linenoiseEditInsert(&l,cbuf,nread)) return -1; |
| break; |
| case CTRL_U: /* Ctrl+u, delete the whole line. */ |
| buf[0] = '\0'; |
| l.pos = l.len = 0; |
| refreshLine(&l); |
| break; |
| case CTRL_K: /* Ctrl+k, delete from current to end of line. */ |
| buf[l.pos] = '\0'; |
| l.len = l.pos; |
| refreshLine(&l); |
| break; |
| case CTRL_A: /* Ctrl+a, go to the start of the line */ |
| linenoiseEditMoveHome(&l); |
| break; |
| case CTRL_E: /* ctrl+e, go to the end of the line */ |
| linenoiseEditMoveEnd(&l); |
| break; |
| case CTRL_L: /* ctrl+l, clear screen */ |
| linenoiseClearScreen(); |
| refreshLine(&l); |
| break; |
| case CTRL_W: /* ctrl+w, delete previous word */ |
| linenoiseEditDeletePrevWord(&l); |
| break; |
| } |
| } |
| return l.len; |
| } |
| |
| /* This function calls the line editing function linenoiseEdit() using |
| * the STDIN file descriptor set in raw mode. */ |
| inline bool linenoiseRaw(const char *prompt, std::string& line) { |
| bool quit = false; |
| |
| if (!isatty(STDIN_FILENO)) { |
| /* Not a tty: read from file / pipe. */ |
| std::getline(std::cin, line); |
| } else { |
| /* Interactive editing. */ |
| if (enableRawMode(STDIN_FILENO) == false) { |
| return quit; |
| } |
| |
| char buf[LINENOISE_MAX_LINE]; |
| auto count = linenoiseEdit(STDIN_FILENO, STDOUT_FILENO, buf, LINENOISE_MAX_LINE, prompt); |
| if (count == -1) { |
| quit = true; |
| } else { |
| line.assign(buf, count); |
| } |
| |
| disableRawMode(STDIN_FILENO); |
| printf("\n"); |
| } |
| return quit; |
| } |
| |
| /* The high level function that is the main API of the linenoise library. |
| * This function checks if the terminal has basic capabilities, just checking |
| * for a blacklist of stupid 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. */ |
| inline bool Readline(const char *prompt, std::string& line) { |
| if (isUnsupportedTerm()) { |
| printf("%s",prompt); |
| fflush(stdout); |
| std::getline(std::cin, line); |
| return false; |
| } else { |
| return linenoiseRaw(prompt, line); |
| } |
| } |
| |
| inline std::string Readline(const char *prompt, bool& quit) { |
| std::string line; |
| quit = Readline(prompt, line); |
| return line; |
| } |
| |
| inline std::string Readline(const char *prompt) { |
| bool quit; // dummy |
| return Readline(prompt, quit); |
| } |
| |
| /* ================================ History ================================= */ |
| |
| /* At exit we'll try to fix the terminal to the initial conditions. */ |
| inline void linenoiseAtExit(void) { |
| disableRawMode(STDIN_FILENO); |
| } |
| |
| /* This is the API call to add a new entry in the linenoise history. |
| * It uses a fixed array of char pointers that are shifted (memmoved) |
| * when the history max length is reached in order to remove the older |
| * entry and make room for the new one, so it is not exactly suitable for huge |
| * histories, but will work well for a few hundred of entries. |
| * |
| * Using a circular buffer is smarter, but a bit more complex to handle. */ |
| inline bool AddHistory(const char* line) { |
| if (history_max_len == 0) return false; |
| |
| /* Don't add duplicated lines. */ |
| if (!history.empty() && history.back() == line) return false; |
| |
| /* If we reached the max length, remove the older line. */ |
| if (history.size() == history_max_len) { |
| history.erase(history.begin()); |
| } |
| history.push_back(line); |
| |
| return true; |
| } |
| |
| /* Set the maximum length for the history. This function can be called even |
| * if there is already some history, the function will make sure to retain |
| * just the latest 'len' elements if the new history length value is smaller |
| * than the amount of items already inside the history. */ |
| inline bool SetHistoryMaxLen(size_t len) { |
| if (len < 1) return false; |
| history_max_len = len; |
| if (len < history.size()) { |
| history.resize(len); |
| } |
| return true; |
| } |
| |
| /* Save the history in the specified file. On success *true* is returned |
| * otherwise *false* is returned. */ |
| inline bool SaveHistory(const char* path) { |
| std::ofstream f(path); // TODO: need 'std::ios::binary'? |
| if (!f) return false; |
| for (const auto& h: history) { |
| f << h << std::endl; |
| } |
| return true; |
| } |
| |
| /* Load the history from the specified file. If the file does not exist |
| * zero is returned and no operation is performed. |
| * |
| * If the file exists and the operation succeeded *true* is returned, otherwise |
| * on error *false* is returned. */ |
| inline bool LoadHistory(const char* path) { |
| std::ifstream f(path); |
| if (!f) return false; |
| std::string line; |
| while (std::getline(f, line)) { |
| AddHistory(line.c_str()); |
| } |
| return true; |
| } |
| |
| inline const std::vector<std::string>& GetHistory() { |
| return history; |
| } |
| |
| } // namespace linenoise |
| |
| #ifdef _WIN32 |
| #undef isatty |
| #undef write |
| #undef read |
| #endif |
| |
| #endif /* __LINENOISE_HPP */ |