Import linenoise
This file is from commit 00c270663be940bee8876bf038b7a25b039c8989 from
https://github.com/yhirose/cpp-linenoise
Change-Id: I5b3b851cbb98666701483f4a4f89b2701cbec193
diff --git a/3rdparty/linenoise/linenoise.hpp b/3rdparty/linenoise/linenoise.hpp
new file mode 100644
index 0000000..72549d2
--- /dev/null
+++ b/3rdparty/linenoise/linenoise.hpp
@@ -0,0 +1,2413 @@
+/*
+ * 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 */
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..e4b2b4a
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,6 @@
+# Included third-party software
+
+Code which has been imported from third-party sources lives under the `3rdparty/` directory tree.
+
+- [cpp-linenoise](https://github.com/yhirose/cpp-linenoise) library. Copyright (c) 2015, yhirose. BSD-2 license.
+