*
* DSR (Device Status Report)
* Sequence: ESC [ 6 n
- * Effect: reports the current cusor position as ESC [ n ; m R
+ * Effect: reports the current cursor position as ESC [ n ; m R
* where n is the row and m is the column
*
* When multi line mode is enabled, we also use an additional escape
# include <ctype.h>
# include <errno.h>
+# include <poll.h>
# include <stdio.h>
# include <string.h>
# include <sys/file.h>
int fd = -1;
};
-__attribute__((format(printf, 1, 2)))
-/* Debugging function. */
#if 0
+/* Debugging function. */
+__attribute__((format(printf, 1, 2)))
static void lndebug(const char *fmt, ...) {
static File file;
if (file.file == nullptr) {
fflush(file.file);
}
}
-#else
-static void lndebug(const char *, ...) {
-}
#endif
+/* ========================== Encoding functions ============================= */
+
+/* Get length of previous UTF8 codepoint */
+static size_t prevUtf8CodePointLen(const char * buf, int pos) {
+ int end = pos--;
+ while (pos >= 0 && ((unsigned char) buf[pos] & 0xC0) == 0x80) {
+ pos--;
+ }
+ return end - pos;
+}
+
+/* Convert UTF8 to Unicode code point */
+static size_t utf8BytesToCodePoint(const char * buf, size_t 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;
+}
+
+/* Check if the code is a wide character */
+static const unsigned long wideCharTable[][2] = {
+ /* BEGIN: WIDE CHAR TABLE */
+ { 0x1100, 0x115F },
+ { 0x231A, 0x231B },
+ { 0x2329, 0x232A },
+ { 0x23E9, 0x23EC },
+ { 0x23F0, 0x23F0 },
+ { 0x23F3, 0x23F3 },
+ { 0x25FD, 0x25FE },
+ { 0x2614, 0x2615 },
+ { 0x2630, 0x2637 },
+ { 0x2648, 0x2653 },
+ { 0x267F, 0x267F },
+ { 0x268A, 0x268F },
+ { 0x2693, 0x2693 },
+ { 0x26A1, 0x26A1 },
+ { 0x26AA, 0x26AB },
+ { 0x26BD, 0x26BE },
+ { 0x26C4, 0x26C5 },
+ { 0x26CE, 0x26CE },
+ { 0x26D4, 0x26D4 },
+ { 0x26EA, 0x26EA },
+ { 0x26F2, 0x26F3 },
+ { 0x26F5, 0x26F5 },
+ { 0x26FA, 0x26FA },
+ { 0x26FD, 0x26FD },
+ { 0x2705, 0x2705 },
+ { 0x270A, 0x270B },
+ { 0x2728, 0x2728 },
+ { 0x274C, 0x274C },
+ { 0x274E, 0x274E },
+ { 0x2753, 0x2755 },
+ { 0x2757, 0x2757 },
+ { 0x2795, 0x2797 },
+ { 0x27B0, 0x27B0 },
+ { 0x27BF, 0x27BF },
+ { 0x2B1B, 0x2B1C },
+ { 0x2B50, 0x2B50 },
+ { 0x2B55, 0x2B55 },
+ { 0x2E80, 0x2E99 },
+ { 0x2E9B, 0x2EF3 },
+ { 0x2F00, 0x2FD5 },
+ { 0x2FF0, 0x303E },
+ { 0x3041, 0x3096 },
+ { 0x3099, 0x30FF },
+ { 0x3105, 0x312F },
+ { 0x3131, 0x318E },
+ { 0x3190, 0x31E5 },
+ { 0x31EF, 0x321E },
+ { 0x3220, 0x3247 },
+ { 0x3250, 0xA48C },
+ { 0xA490, 0xA4C6 },
+ { 0xA960, 0xA97C },
+ { 0xAC00, 0xD7A3 },
+ { 0xF900, 0xFAFF },
+ { 0xFE10, 0xFE19 },
+ { 0xFE30, 0xFE52 },
+ { 0xFE54, 0xFE66 },
+ { 0xFE68, 0xFE6B },
+ { 0xFF01, 0xFF60 },
+ { 0xFFE0, 0xFFE6 },
+ { 0x16FE0, 0x16FE4 },
+ { 0x16FF0, 0x16FF1 },
+ { 0x17000, 0x187F7 },
+ { 0x18800, 0x18CD5 },
+ { 0x18CFF, 0x18D08 },
+ { 0x1AFF0, 0x1AFF3 },
+ { 0x1AFF5, 0x1AFFB },
+ { 0x1AFFD, 0x1AFFE },
+ { 0x1B000, 0x1B122 },
+ { 0x1B132, 0x1B132 },
+ { 0x1B150, 0x1B152 },
+ { 0x1B155, 0x1B155 },
+ { 0x1B164, 0x1B167 },
+ { 0x1B170, 0x1B2FB },
+ { 0x1D300, 0x1D356 },
+ { 0x1D360, 0x1D376 },
+ { 0x1F004, 0x1F004 },
+ { 0x1F0CF, 0x1F0CF },
+ { 0x1F18E, 0x1F18E },
+ { 0x1F191, 0x1F19A },
+ { 0x1F200, 0x1F202 },
+ { 0x1F210, 0x1F23B },
+ { 0x1F240, 0x1F248 },
+ { 0x1F250, 0x1F251 },
+ { 0x1F260, 0x1F265 },
+ { 0x1F300, 0x1F320 },
+ { 0x1F32D, 0x1F335 },
+ { 0x1F337, 0x1F37C },
+ { 0x1F37E, 0x1F393 },
+ { 0x1F3A0, 0x1F3CA },
+ { 0x1F3CF, 0x1F3D3 },
+ { 0x1F3E0, 0x1F3F0 },
+ { 0x1F3F4, 0x1F3F4 },
+ { 0x1F3F8, 0x1F43E },
+ { 0x1F440, 0x1F440 },
+ { 0x1F442, 0x1F4FC },
+ { 0x1F4FF, 0x1F53D },
+ { 0x1F54B, 0x1F54E },
+ { 0x1F550, 0x1F567 },
+ { 0x1F57A, 0x1F57A },
+ { 0x1F595, 0x1F596 },
+ { 0x1F5A4, 0x1F5A4 },
+ { 0x1F5FB, 0x1F64F },
+ { 0x1F680, 0x1F6C5 },
+ { 0x1F6CC, 0x1F6CC },
+ { 0x1F6D0, 0x1F6D2 },
+ { 0x1F6D5, 0x1F6D7 },
+ { 0x1F6DC, 0x1F6DF },
+ { 0x1F6EB, 0x1F6EC },
+ { 0x1F6F4, 0x1F6FC },
+ { 0x1F7E0, 0x1F7EB },
+ { 0x1F7F0, 0x1F7F0 },
+ { 0x1F90C, 0x1F93A },
+ { 0x1F93C, 0x1F945 },
+ { 0x1F947, 0x1F9FF },
+ { 0x1FA70, 0x1FA7C },
+ { 0x1FA80, 0x1FA89 },
+ { 0x1FA8F, 0x1FAC6 },
+ { 0x1FACE, 0x1FADC },
+ { 0x1FADF, 0x1FAE9 },
+ { 0x1FAF0, 0x1FAF8 },
+ { 0x20000, 0x2FFFD },
+ { 0x30000, 0x3FFFD }
+ /* END: WIDE CHAR TABLE */
+};
+
+static const size_t wideCharTableSize = sizeof(wideCharTable) / sizeof(wideCharTable[0]);
+
+static bool isWideChar(unsigned long cp) {
+ for (size_t i = 0; i < wideCharTableSize; i++) {
+ auto first_code = wideCharTable[i][0];
+ auto last_code = wideCharTable[i][1];
+ if (first_code > cp) {
+ return false;
+ }
+ if (first_code <= cp && cp <= last_code) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/* Check if the code is a combining character */
+static const unsigned long combiningCharTable[] = {
+ /* BEGIN: COMBINING CHAR TABLE */
+ 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, 0x07FD, 0x0816, 0x0817, 0x0818, 0x0819,
+ 0x081B, 0x081C, 0x081D, 0x081E, 0x081F, 0x0820, 0x0821, 0x0822, 0x0823, 0x0825, 0x0826, 0x0827, 0x0829,
+ 0x082A, 0x082B, 0x082C, 0x082D, 0x0859, 0x085A, 0x085B, 0x0897, 0x0898, 0x0899, 0x089A, 0x089B, 0x089C,
+ 0x089D, 0x089E, 0x089F, 0x08CA, 0x08CB, 0x08CC, 0x08CD, 0x08CE, 0x08CF, 0x08D0, 0x08D1, 0x08D2, 0x08D3,
+ 0x08D4, 0x08D5, 0x08D6, 0x08D7, 0x08D8, 0x08D9, 0x08DA, 0x08DB, 0x08DC, 0x08DD, 0x08DE, 0x08DF, 0x08E0,
+ 0x08E1, 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, 0x09FE, 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, 0x0AFA,
+ 0x0AFB, 0x0AFC, 0x0AFD, 0x0AFE, 0x0AFF, 0x0B01, 0x0B3C, 0x0B3F, 0x0B41, 0x0B42, 0x0B43, 0x0B44, 0x0B4D,
+ 0x0B55, 0x0B56, 0x0B62, 0x0B63, 0x0B82, 0x0BC0, 0x0BCD, 0x0C00, 0x0C04, 0x0C3C, 0x0C3E, 0x0C3F, 0x0C40,
+ 0x0C46, 0x0C47, 0x0C48, 0x0C4A, 0x0C4B, 0x0C4C, 0x0C4D, 0x0C55, 0x0C56, 0x0C62, 0x0C63, 0x0C81, 0x0CBC,
+ 0x0CBF, 0x0CC6, 0x0CCC, 0x0CCD, 0x0CE2, 0x0CE3, 0x0D00, 0x0D01, 0x0D3B, 0x0D3C, 0x0D41, 0x0D42, 0x0D43,
+ 0x0D44, 0x0D4D, 0x0D62, 0x0D63, 0x0D81, 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, 0x0EBA, 0x0EBB, 0x0EBC, 0x0EC8, 0x0EC9, 0x0ECA,
+ 0x0ECB, 0x0ECC, 0x0ECD, 0x0ECE, 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, 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,
+ 0x180F, 0x1885, 0x1886, 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, 0x1ABF, 0x1AC0, 0x1AC1, 0x1AC2, 0x1AC3, 0x1AC4,
+ 0x1AC5, 0x1AC6, 0x1AC7, 0x1AC8, 0x1AC9, 0x1ACA, 0x1ACB, 0x1ACC, 0x1ACD, 0x1ACE, 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, 0x1DF6, 0x1DF7, 0x1DF8,
+ 0x1DF9, 0x1DFA, 0x1DFB, 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, 0xA82C, 0xA8C4, 0xA8C5, 0xA8E0, 0xA8E1, 0xA8E2, 0xA8E3, 0xA8E4, 0xA8E5,
+ 0xA8E6, 0xA8E7, 0xA8E8, 0xA8E9, 0xA8EA, 0xA8EB, 0xA8EC, 0xA8ED, 0xA8EE, 0xA8EF, 0xA8F0, 0xA8F1, 0xA8FF,
+ 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, 0xA9BD, 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, 0x10D24, 0x10D25, 0x10D26, 0x10D27,
+ 0x10D69, 0x10D6A, 0x10D6B, 0x10D6C, 0x10D6D, 0x10EAB, 0x10EAC, 0x10EFC, 0x10EFD, 0x10EFE, 0x10EFF, 0x10F46, 0x10F47,
+ 0x10F48, 0x10F49, 0x10F4A, 0x10F4B, 0x10F4C, 0x10F4D, 0x10F4E, 0x10F4F, 0x10F50, 0x10F82, 0x10F83, 0x10F84, 0x10F85,
+ 0x11001, 0x11038, 0x11039, 0x1103A, 0x1103B, 0x1103C, 0x1103D, 0x1103E, 0x1103F, 0x11040, 0x11041, 0x11042, 0x11043,
+ 0x11044, 0x11045, 0x11046, 0x11070, 0x11073, 0x11074, 0x1107F, 0x11080, 0x11081, 0x110B3, 0x110B4, 0x110B5, 0x110B6,
+ 0x110B9, 0x110BA, 0x110C2, 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, 0x111C9, 0x111CA, 0x111CB, 0x111CC, 0x111CF, 0x1122F, 0x11230, 0x11231,
+ 0x11234, 0x11236, 0x11237, 0x1123E, 0x11241, 0x112DF, 0x112E3, 0x112E4, 0x112E5, 0x112E6, 0x112E7, 0x112E8, 0x112E9,
+ 0x112EA, 0x11300, 0x11301, 0x1133B, 0x1133C, 0x11340, 0x11366, 0x11367, 0x11368, 0x11369, 0x1136A, 0x1136B, 0x1136C,
+ 0x11370, 0x11371, 0x11372, 0x11373, 0x11374, 0x113BB, 0x113BC, 0x113BD, 0x113BE, 0x113BF, 0x113C0, 0x113CE, 0x113D0,
+ 0x113D2, 0x113E1, 0x113E2, 0x11438, 0x11439, 0x1143A, 0x1143B, 0x1143C, 0x1143D, 0x1143E, 0x1143F, 0x11442, 0x11443,
+ 0x11444, 0x11446, 0x1145E, 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, 0x1171F, 0x11722, 0x11723, 0x11724, 0x11725, 0x11727, 0x11728,
+ 0x11729, 0x1172A, 0x1172B, 0x1182F, 0x11830, 0x11831, 0x11832, 0x11833, 0x11834, 0x11835, 0x11836, 0x11837, 0x11839,
+ 0x1183A, 0x1193B, 0x1193C, 0x1193E, 0x11943, 0x119D4, 0x119D5, 0x119D6, 0x119D7, 0x119DA, 0x119DB, 0x119E0, 0x11A01,
+ 0x11A02, 0x11A03, 0x11A04, 0x11A05, 0x11A06, 0x11A07, 0x11A08, 0x11A09, 0x11A0A, 0x11A33, 0x11A34, 0x11A35, 0x11A36,
+ 0x11A37, 0x11A38, 0x11A3B, 0x11A3C, 0x11A3D, 0x11A3E, 0x11A47, 0x11A51, 0x11A52, 0x11A53, 0x11A54, 0x11A55, 0x11A56,
+ 0x11A59, 0x11A5A, 0x11A5B, 0x11A8A, 0x11A8B, 0x11A8C, 0x11A8D, 0x11A8E, 0x11A8F, 0x11A90, 0x11A91, 0x11A92, 0x11A93,
+ 0x11A94, 0x11A95, 0x11A96, 0x11A98, 0x11A99, 0x11C30, 0x11C31, 0x11C32, 0x11C33, 0x11C34, 0x11C35, 0x11C36, 0x11C38,
+ 0x11C39, 0x11C3A, 0x11C3B, 0x11C3C, 0x11C3D, 0x11C3F, 0x11C92, 0x11C93, 0x11C94, 0x11C95, 0x11C96, 0x11C97, 0x11C98,
+ 0x11C99, 0x11C9A, 0x11C9B, 0x11C9C, 0x11C9D, 0x11C9E, 0x11C9F, 0x11CA0, 0x11CA1, 0x11CA2, 0x11CA3, 0x11CA4, 0x11CA5,
+ 0x11CA6, 0x11CA7, 0x11CAA, 0x11CAB, 0x11CAC, 0x11CAD, 0x11CAE, 0x11CAF, 0x11CB0, 0x11CB2, 0x11CB3, 0x11CB5, 0x11CB6,
+ 0x11D31, 0x11D32, 0x11D33, 0x11D34, 0x11D35, 0x11D36, 0x11D3A, 0x11D3C, 0x11D3D, 0x11D3F, 0x11D40, 0x11D41, 0x11D42,
+ 0x11D43, 0x11D44, 0x11D45, 0x11D47, 0x11D90, 0x11D91, 0x11D95, 0x11D97, 0x11EF3, 0x11EF4, 0x11F00, 0x11F01, 0x11F36,
+ 0x11F37, 0x11F38, 0x11F39, 0x11F3A, 0x11F40, 0x11F42, 0x11F5A, 0x13440, 0x13447, 0x13448, 0x13449, 0x1344A, 0x1344B,
+ 0x1344C, 0x1344D, 0x1344E, 0x1344F, 0x13450, 0x13451, 0x13452, 0x13453, 0x13454, 0x13455, 0x1611E, 0x1611F, 0x16120,
+ 0x16121, 0x16122, 0x16123, 0x16124, 0x16125, 0x16126, 0x16127, 0x16128, 0x16129, 0x1612D, 0x1612E, 0x1612F, 0x16AF0,
+ 0x16AF1, 0x16AF2, 0x16AF3, 0x16AF4, 0x16B30, 0x16B31, 0x16B32, 0x16B33, 0x16B34, 0x16B35, 0x16B36, 0x16F4F, 0x16F8F,
+ 0x16F90, 0x16F91, 0x16F92, 0x16FE4, 0x1BC9D, 0x1BC9E, 0x1CF00, 0x1CF01, 0x1CF02, 0x1CF03, 0x1CF04, 0x1CF05, 0x1CF06,
+ 0x1CF07, 0x1CF08, 0x1CF09, 0x1CF0A, 0x1CF0B, 0x1CF0C, 0x1CF0D, 0x1CF0E, 0x1CF0F, 0x1CF10, 0x1CF11, 0x1CF12, 0x1CF13,
+ 0x1CF14, 0x1CF15, 0x1CF16, 0x1CF17, 0x1CF18, 0x1CF19, 0x1CF1A, 0x1CF1B, 0x1CF1C, 0x1CF1D, 0x1CF1E, 0x1CF1F, 0x1CF20,
+ 0x1CF21, 0x1CF22, 0x1CF23, 0x1CF24, 0x1CF25, 0x1CF26, 0x1CF27, 0x1CF28, 0x1CF29, 0x1CF2A, 0x1CF2B, 0x1CF2C, 0x1CF2D,
+ 0x1CF30, 0x1CF31, 0x1CF32, 0x1CF33, 0x1CF34, 0x1CF35, 0x1CF36, 0x1CF37, 0x1CF38, 0x1CF39, 0x1CF3A, 0x1CF3B, 0x1CF3C,
+ 0x1CF3D, 0x1CF3E, 0x1CF3F, 0x1CF40, 0x1CF41, 0x1CF42, 0x1CF43, 0x1CF44, 0x1CF45, 0x1CF46, 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, 0x1E000, 0x1E001, 0x1E002, 0x1E003, 0x1E004, 0x1E005, 0x1E006,
+ 0x1E008, 0x1E009, 0x1E00A, 0x1E00B, 0x1E00C, 0x1E00D, 0x1E00E, 0x1E00F, 0x1E010, 0x1E011, 0x1E012, 0x1E013, 0x1E014,
+ 0x1E015, 0x1E016, 0x1E017, 0x1E018, 0x1E01B, 0x1E01C, 0x1E01D, 0x1E01E, 0x1E01F, 0x1E020, 0x1E021, 0x1E023, 0x1E024,
+ 0x1E026, 0x1E027, 0x1E028, 0x1E029, 0x1E02A, 0x1E08F, 0x1E130, 0x1E131, 0x1E132, 0x1E133, 0x1E134, 0x1E135, 0x1E136,
+ 0x1E2AE, 0x1E2EC, 0x1E2ED, 0x1E2EE, 0x1E2EF, 0x1E4EC, 0x1E4ED, 0x1E4EE, 0x1E4EF, 0x1E5EE, 0x1E5EF, 0x1E8D0, 0x1E8D1,
+ 0x1E8D2, 0x1E8D3, 0x1E8D4, 0x1E8D5, 0x1E8D6, 0x1E944, 0x1E945, 0x1E946, 0x1E947, 0x1E948, 0x1E949, 0x1E94A, 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
+ /* END: COMBINING CHAR TABLE */
+};
+
+static const unsigned long combiningCharTableSize = sizeof(combiningCharTable) / sizeof(combiningCharTable[0]);
+
+static bool isCombiningChar(unsigned long cp) {
+ for (size_t i = 0; i < combiningCharTableSize; i++) {
+ auto code = combiningCharTable[i];
+ if (code > cp) {
+ return false;
+ }
+ if (code == cp) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/* Get length of previous grapheme */
+static size_t defaultPrevCharLen(const char * buf, size_t /*buf_len*/, size_t pos, size_t * col_len) {
+ size_t end = pos;
+ while (pos > 0) {
+ size_t len = prevUtf8CodePointLen(buf, pos);
+ pos -= len;
+ int cp;
+ utf8BytesToCodePoint(buf + pos, len, &cp);
+ if (!isCombiningChar(cp)) {
+ if (col_len != NULL) {
+ *col_len = isWideChar(cp) ? 2 : 1;
+ }
+ return end - pos;
+ }
+ }
+ /* NOTREACHED */
+ return 0;
+}
+
+/* Get length of next grapheme */
+static size_t defaultNextCharLen(const char * buf, size_t buf_len, size_t pos, size_t * col_len) {
+ size_t beg = pos;
+ int cp;
+ size_t len = utf8BytesToCodePoint(buf + pos, buf_len - pos, &cp);
+ if (isCombiningChar(cp)) {
+ /* NOTREACHED */
+ return 0;
+ }
+ if (col_len != NULL) {
+ *col_len = isWideChar(cp) ? 2 : 1;
+ }
+ pos += len;
+ while (pos < buf_len) {
+ int cp;
+ len = utf8BytesToCodePoint(buf + pos, buf_len - pos, &cp);
+ if (!isCombiningChar(cp)) {
+ return pos - beg;
+ }
+ pos += len;
+ }
+ return pos - beg;
+}
+
+/* Read a Unicode from file. */
+static size_t defaultReadCode(int fd, char * buf, size_t buf_len, int * cp) {
+ if (buf_len < 1) {
+ return -1;
+ }
+ size_t 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) {
+ if (buf_len < 2) {
+ return -1;
+ }
+ nread = read(fd, &buf[1], 1);
+ if (nread <= 0) {
+ return nread;
+ }
+ } else if ((byte & 0xF0) == 0xE0) {
+ if (buf_len < 3) {
+ return -1;
+ }
+ nread = read(fd, &buf[1], 2);
+ if (nread <= 0) {
+ return nread;
+ }
+ } else if ((byte & 0xF8) == 0xF0) {
+ if (buf_len < 3) {
+ return -1;
+ }
+ nread = read(fd, &buf[1], 3);
+ if (nread <= 0) {
+ return nread;
+ }
+ } else {
+ return -1;
+ }
+
+ return utf8BytesToCodePoint(buf, buf_len, cp);
+}
+
+/* Set default encoding functions */
+static linenoisePrevCharLen * prevCharLen = defaultPrevCharLen;
+static linenoiseNextCharLen * nextCharLen = defaultNextCharLen;
+static linenoiseReadCode * readCode = defaultReadCode;
+
+/* Set used defined encoding functions */
+void linenoiseSetEncodingFunctions(linenoisePrevCharLen * prevCharLenFunc, linenoiseNextCharLen * nextCharLenFunc,
+ linenoiseReadCode * readCodeFunc) {
+ prevCharLen = prevCharLenFunc;
+ nextCharLen = nextCharLenFunc;
+ readCode = readCodeFunc;
+}
+
/* ======================= Low level terminal handling ====================== */
/* Enable "mask mode". When it is enabled, instead of the input that
}
}
+enum ESC_TYPE { ESC_NULL = 0, ESC_DELETE, ESC_UP, ESC_DOWN, ESC_RIGHT, ESC_LEFT, ESC_HOME, ESC_END };
+
+static ESC_TYPE readEscapeSequence(struct linenoiseState * l) {
+ /* Check if the file input has additional data. */
+ struct pollfd pfd;
+ pfd.fd = l->ifd;
+ pfd.events = POLLIN;
+
+ auto ret = poll(&pfd, 1, 1); // 1 millisecond timeout
+ if (ret <= 0) { // -1: error, 0: timeout
+ return ESC_NULL;
+ }
+
+ /* Read the next two bytes representing the escape sequence.
+ * Use two calls to handle slow terminals returning the two
+ * chars at different times. */
+ char seq[3];
+ if (read(l->ifd, seq, 1) == -1) {
+ return ESC_NULL;
+ }
+ if (read(l->ifd, seq + 1, 1) == -1) {
+ return ESC_NULL;
+ }
+
+ /* 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) {
+ return ESC_NULL;
+ }
+ if (seq[2] == '~') {
+ switch (seq[1]) {
+ case '3':
+ return ESC_DELETE;
+ }
+ }
+ } else {
+ switch (seq[1]) {
+ case 'A':
+ return ESC_UP;
+ case 'B':
+ return ESC_DOWN;
+ case 'C':
+ return ESC_RIGHT;
+ case 'D':
+ return ESC_LEFT;
+ case 'H':
+ return ESC_HOME;
+ case 'F':
+ return ESC_END;
+ }
+ }
+ }
+
+ /* ESC O sequences. */
+ else if (seq[0] == 'O') {
+ switch (seq[1]) {
+ case 'H':
+ return ESC_HOME;
+ case 'F':
+ return ESC_END;
+ }
+ }
+ return ESC_NULL;
+}
+
/* 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.
* If the function returns non-zero, the caller should handle the
* returned value as a byte read from the standard input, and process
* it as usually: this basically means that the function may return a byte
- * read from the termianl but not processed. Otherwise, if zero is returned,
+ * read from the terminal but not processed. Otherwise, if zero is returned,
* the input was consumed by the completeLine() function to navigate the
* possible completions, and the caller should read for the next characters
* from stdin. */
-static int completeLine(struct linenoiseState *ls, int keypressed) {
+static int completeLine(struct linenoiseState * ls, int keypressed, ESC_TYPE esc_type) {
linenoiseCompletions lc;
int nwritten;
char c = keypressed;
linenoiseBeep();
ls->in_completion = 0;
} else {
- switch(c) {
- case 9: /* tab */
- if (ls->in_completion == 0) {
- ls->in_completion = 1;
- ls->completion_idx = 0;
- } else {
- ls->completion_idx = (ls->completion_idx + 1) % (lc.len + 1);
- if (ls->completion_idx == lc.len) linenoiseBeep();
- }
- c = 0;
- break;
- case 27: /* escape */
- /* Re-show original buffer */
- if (ls->completion_idx < lc.len) refreshLine(ls);
- ls->in_completion = 0;
- c = 0;
- break;
- default:
- /* Update buffer and return */
- if (ls->completion_idx < lc.len) {
- nwritten = snprintf(ls->buf, ls->buflen, "%s", lc.cvec[ls->completion_idx]);
- ls->len = ls->pos = nwritten;
+ if (c == TAB) {
+ if (ls->in_completion == 0) {
+ ls->in_completion = 1;
+ ls->completion_idx = 0;
+ } else {
+ ls->completion_idx = (ls->completion_idx + 1) % (lc.len + 1);
+ if (ls->completion_idx == lc.len) {
+ linenoiseBeep();
}
- ls->in_completion = 0;
- break;
+ }
+ c = 0;
+ } else if (c == ESC && esc_type == ESC_NULL) {
+ /* Re-show original buffer */
+ if (ls->completion_idx < lc.len) {
+ refreshLine(ls);
+ }
+ ls->in_completion = 0;
+ c = 0;
+ } else {
+ /* Update buffer and return */
+ if (ls->completion_idx < lc.len) {
+ nwritten = snprintf(ls->buf, ls->buflen, "%s", lc.cvec[ls->completion_idx]);
+ ls->len = ls->pos = nwritten;
+ }
+ ls->in_completion = 0;
}
/* Show completion or original buffer */
lc->cvec[lc->len++] = copy.release();
}
+/* Get column length from begining of buffer to current byte position */
+static size_t columnPos(const char * buf, size_t buf_len, size_t pos) {
+ size_t ret = 0;
+ size_t off = 0;
+ while (off < pos) {
+ size_t col_len;
+ size_t len = nextCharLen(buf, buf_len, off, &col_len);
+ off += len;
+ ret += col_len;
+ }
+ return ret;
+}
+
/* Helper of refreshSingleLine() and refreshMultiLine() to show hints
* to the right of the prompt. */
-static void refreshShowHints(std::string & ab, struct linenoiseState * l, int plen) {
+static void refreshShowHints(std::string & ab, struct linenoiseState * l, int pcollen) {
char seq[64];
- if (hintsCallback && plen+l->len < l->cols) {
+ size_t collen = pcollen + columnPos(l->buf, l->len, l->len);
+ if (hintsCallback && collen < l->cols) {
int color = -1, bold = 0;
const char *hint = hintsCallback(l->buf,&color,&bold);
if (hint) {
int hintlen = strlen(hint);
- int hintmaxlen = l->cols-(plen+l->len);
+ int hintmaxlen = l->cols - collen;
if (hintlen > hintmaxlen) hintlen = hintmaxlen;
if (bold == 1 && color == -1) color = 37;
if (color != -1 || bold != 0)
}
}
+/* Check if text is an ANSI escape sequence */
+static int isAnsiEscape(const char * buf, size_t buf_len, size_t * len) {
+ if (buf_len > 2 && !memcmp("\033[", buf, 2)) {
+ size_t 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 length of prompt text */
+static size_t promptTextColumnLen(const char * prompt, size_t plen) {
+ char buf[LINENOISE_MAX_LINE];
+ size_t buf_len = 0;
+ size_t off = 0;
+ while (off < plen) {
+ size_t len;
+ if (isAnsiEscape(prompt + off, plen - off, &len)) {
+ off += len;
+ continue;
+ }
+ buf[buf_len++] = prompt[off++];
+ }
+ return columnPos(buf, buf_len, buf_len);
+}
+
/* Single line low level line refresh.
*
* Rewrite the currently edited line accordingly to the buffer content,
* prompt, just write it, or both. */
static void refreshSingleLine(struct linenoiseState *l, int flags) {
char seq[64];
- size_t plen = strlen(l->prompt);
+ size_t pcollen = promptTextColumnLen(l->prompt, strlen(l->prompt));
int fd = l->ofd;
char *buf = l->buf;
size_t len = l->len;
size_t pos = l->pos;
std::string ab;
- while((plen+pos) >= l->cols) {
- buf++;
- len--;
- pos--;
+
+ while ((pcollen + columnPos(buf, len, pos)) >= l->cols) {
+ int chlen = nextCharLen(buf, len, 0, NULL);
+ buf += chlen;
+ len -= chlen;
+ pos -= chlen;
}
- while (plen+len > l->cols) {
- len--;
+ while (pcollen + columnPos(buf, len, len) > l->cols) {
+ len -= prevCharLen(buf, len, len, NULL);
}
/* Cursor to left edge */
ab.append(buf, len);
}
/* Show hits if any. */
- refreshShowHints(ab, l, plen);
+ refreshShowHints(ab, l, pcollen);
}
/* Erase to right */
ab.append(seq);
if (flags & REFRESH_WRITE) {
/* Move cursor to original position. */
- snprintf(seq,sizeof(seq),"\r\x1b[%dC", (int)(pos+plen));
+ snprintf(seq, sizeof(seq), "\r\x1b[%dC", (int) (columnPos(buf, len, pos) + pcollen));
ab.append(seq);
}
(void) !write(fd, ab.c_str(), ab.size()); /* Can't recover from write error. */
}
+/* Get column length from begining of buffer to current byte position for multiline mode*/
+static size_t columnPosForMultiLine(const char * buf, size_t buf_len, size_t pos, size_t cols, size_t ini_pos) {
+ size_t ret = 0;
+ size_t colwid = ini_pos;
+
+ size_t off = 0;
+ while (off < buf_len) {
+ size_t col_len;
+ size_t len = nextCharLen(buf, buf_len, off, &col_len);
+
+ int dif = (int) (colwid + col_len) - (int) cols;
+ if (dif > 0) {
+ ret += dif;
+ colwid = col_len;
+ } else if (dif == 0) {
+ colwid = 0;
+ } else {
+ colwid += col_len;
+ }
+
+ if (off >= pos) {
+ break;
+ }
+ off += len;
+ ret += col_len;
+ }
+
+ return ret;
+}
+
/* Multi line low level line refresh.
*
* Rewrite the currently edited line accordingly to the buffer content,
* prompt, just write it, or both. */
static void refreshMultiLine(struct linenoiseState *l, int flags) {
char seq[64];
- int plen = strlen(l->prompt);
- int rows = (plen+l->len+l->cols-1)/l->cols; /* rows used by current buf. */
- int rpos = (plen+l->oldpos+l->cols)/l->cols; /* cursor relative row. */
+ size_t pcollen = promptTextColumnLen(l->prompt, strlen(l->prompt));
+ int colpos = columnPosForMultiLine(l->buf, l->len, l->len, l->cols, pcollen);
+ int colpos2; /* cursor column position. */
+ int rows = (pcollen + colpos + l->cols - 1) / l->cols; /* rows used by current buf. */
+ int rpos = (pcollen + l->oldcolpos + l->cols) / l->cols; /* cursor relative row. */
int rpos2; /* rpos after refresh. */
- int col; /* colum position, zero-based. */
+ int col; /* column position, zero-based. */
int old_rows = l->oldrows;
int fd = l->ofd, j;
std::string ab;
/* First step: clear all the lines used before. To do so start by
* going to the last row. */
if (flags & REFRESH_CLEAN) {
- if (old_rows-rpos > 0) {
- lndebug("go down %d", old_rows-rpos);
+ if (old_rows - rpos > 0) {
snprintf(seq,64,"\x1b[%dB", old_rows-rpos);
ab.append(seq);
}
/* Now for every row clear it, go up. */
- for (j = 0; j < old_rows-1; j++) {
- lndebug("clear+up");
+ for (j = 0; j < old_rows - 1; j++) {
snprintf(seq,64,"\r\x1b[0K\x1b[1A");
ab.append(seq);
}
if (flags & REFRESH_ALL) {
/* Clean the top line. */
- lndebug("clear");
snprintf(seq,64,"\r\x1b[0K");
ab.append(seq);
}
+ /* Get column length to cursor position */
+ colpos2 = columnPosForMultiLine(l->buf, l->len, l->pos, l->cols, pcollen);
+
if (flags & REFRESH_WRITE) {
/* Write the prompt and the current buffer content */
ab.append(l->prompt);
}
/* Show hits if any. */
- refreshShowHints(ab, l, plen);
+ refreshShowHints(ab, l, pcollen);
/* 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 &&
- (l->pos+plen) % l->cols == 0)
- {
- lndebug("<newline>");
+ if (l->pos && l->pos == l->len && (colpos2 + pcollen) % l->cols == 0) {
ab.append("\n");
snprintf(seq,64,"\r");
ab.append(seq);
}
/* Move cursor to right position. */
- rpos2 = (plen+l->pos+l->cols)/l->cols; /* Current cursor relative row */
- lndebug("rpos2 %d", rpos2);
+ rpos2 = (pcollen + colpos2 + l->cols) / l->cols; /* Current cursor relative row */
- /* Go up till we reach the expected positon. */
- if (rows-rpos2 > 0) {
- lndebug("go-up %d", rows-rpos2);
+ /* Go up till we reach the expected position. */
+ if (rows - rpos2 > 0) {
snprintf(seq,64,"\x1b[%dA", rows-rpos2);
ab.append(seq);
}
/* Set column. */
- col = (plen+(int)l->pos) % (int)l->cols;
- lndebug("set col %d", 1+col);
+ col = (pcollen + colpos2) % l->cols;
if (col)
snprintf(seq,64,"\r\x1b[%dC", col);
else
ab.append(seq);
}
- lndebug("\n");
- l->oldpos = l->pos;
+ l->oldcolpos = colpos2;
+
(void) !write(fd, ab.c_str(), ab.size()); /* Can't recover from write error. */
}
/* Insert the character 'c' at cursor current position.
*
* On error writing to the terminal -1 is returned, otherwise 0. */
-static int linenoiseEditInsert(struct linenoiseState * l, char c) {
- if (l->len < l->buflen) {
+static int linenoiseEditInsert(struct linenoiseState * l, const char * cbuf, int clen) {
+ if (l->len + clen <= l->buflen) {
if (l->len == l->pos) {
- l->buf[l->pos] = c;
- l->pos++;
- l->len++;
+ memcpy(&l->buf[l->pos], cbuf, clen);
+ l->pos += clen;
+ l->len += clen;
+ ;
l->buf[l->len] = '\0';
- if ((!mlmode && l->plen+l->len < l->cols && !hintsCallback)) {
+ if ((!mlmode && promptTextColumnLen(l->prompt, l->plen) + columnPos(l->buf, l->len, l->len) < l->cols &&
+ !hintsCallback)) {
/* Avoid a full update of the line in the
* trivial case. */
- char d = (maskmode==1) ? '*' : c;
- if (write(l->ofd,&d,1) == -1) return -1;
+ if (maskmode == 1) {
+ static const char d = '*';
+ if (write(l->ofd, &d, 1) == -1) {
+ return -1;
+ }
+ } else {
+ if (write(l->ofd, cbuf, clen) == -1) {
+ return -1;
+ }
+ }
} else {
refreshLine(l);
}
} else {
- memmove(l->buf+l->pos+1,l->buf+l->pos,l->len-l->pos);
- l->buf[l->pos] = c;
- l->len++;
- l->pos++;
+ 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);
}
/* Move cursor on the left. */
static void linenoiseEditMoveLeft(struct linenoiseState * l) {
if (l->pos > 0) {
- l->pos--;
+ l->pos -= prevCharLen(l->buf, l->len, l->pos, NULL);
refreshLine(l);
}
}
/* Move cursor on the right. */
static void linenoiseEditMoveRight(struct linenoiseState * l) {
if (l->pos != l->len) {
- l->pos++;
+ l->pos += nextCharLen(l->buf, l->len, l->pos, NULL);
refreshLine(l);
}
}
* position. Basically this is what happens with the "Delete" keyboard key. */
static void linenoiseEditDelete(struct linenoiseState * l) {
if (l->len > 0 && l->pos < l->len) {
- memmove(l->buf+l->pos,l->buf+l->pos+1,l->len-l->pos-1);
- l->len--;
+ int chlen = nextCharLen(l->buf, l->len, l->pos, NULL);
+ memmove(l->buf + l->pos, l->buf + l->pos + chlen, l->len - l->pos - chlen);
+ l->len -= chlen;
l->buf[l->len] = '\0';
refreshLine(l);
}
/* Backspace implementation. */
static void linenoiseEditBackspace(struct linenoiseState * l) {
if (l->pos > 0 && l->len > 0) {
- memmove(l->buf+l->pos-1,l->buf+l->pos,l->len-l->pos);
- l->pos--;
- l->len--;
+ int chlen = prevCharLen(l->buf, l->len, l->pos, NULL);
+ memmove(l->buf + l->pos - chlen, l->buf + l->pos, l->len - l->pos);
+ l->pos -= chlen;
+ l->len -= chlen;
l->buf[l->len] = '\0';
refreshLine(l);
}
}
-/* Delete the previosu word, maintaining the cursor at the start of the
+/* Delete the previous word, maintaining the cursor at the start of the
* current word. */
static void linenoiseEditDeletePrevWord(struct linenoiseState * l) {
size_t old_pos = l->pos;
* each time there is some data arriving in the standard input.
*
* The user can also call linenoiseEditHide() and linenoiseEditShow() if it
- * is required to show some input arriving asyncronously, without mixing
+ * is required to show some input arriving asynchronously, without mixing
* it with the currently edited line.
*
* When linenoiseEditFeed() returns non-NULL, the user finished with the
l->buflen = buflen;
l->prompt = prompt;
l->plen = strlen(prompt);
- l->oldpos = l->pos = 0;
+ l->oldcolpos = l->pos = 0;
l->len = 0;
/* Enter raw mode. */
/* Buffer starts empty. */
l->buf[0] = '\0';
- l->buflen--; /* Make sure there is always space for the nulterm */
+ l->buflen--; /* Make sure there is always space for the nullterm */
/* If stdin is not a tty, stop here with the initialization. We
* will actually just read a line from standard input in blocking
const char* linenoiseEditMore = "If you see this, you are misusing the API: when linenoiseEditFeed() is called, if it returns linenoiseEditMore the user is yet editing the line. See the README file for more information.";
+static const char * handleEnterKey(struct linenoiseState * l) {
+ --history_len;
+ free(history[history_len]);
+ if (mlmode) {
+ linenoiseEditMoveEnd(l);
+ }
+ if (hintsCallback) {
+ /* Force a refresh without hints to leave the previous
+ * line as the user typed it after a newline. */
+ linenoiseHintsCallback * hc = hintsCallback;
+ hintsCallback = NULL;
+ refreshLine(l);
+ hintsCallback = hc;
+ }
+
+ return strdup(l->buf);
+}
+
+static const char * handleCtrlCKey() {
+ errno = EAGAIN;
+ return NULL;
+}
+
+static const char * handleCtrlDKey(struct linenoiseState * l) {
+ if (l->len > 0) {
+ linenoiseEditDelete(l);
+ return linenoiseEditMore;
+ }
+
+ --history_len;
+ free(history[history_len]);
+ errno = ENOENT;
+ return NULL;
+}
+
+static void handleCtrlTKey(struct linenoiseState * l) {
+ if (l->pos > 0 && l->pos < l->len) {
+ auto prev_chlen = prevCharLen(l->buf, l->len, l->pos, NULL);
+ auto curr_chlen = nextCharLen(l->buf, l->len, l->pos, NULL);
+
+ std::string prev_char(prev_chlen, 0);
+ memcpy(prev_char.data(), l->buf + l->pos - prev_chlen, prev_chlen);
+ memmove(l->buf + l->pos - prev_chlen, l->buf + l->pos, curr_chlen);
+ memmove(l->buf + l->pos - prev_chlen + curr_chlen, prev_char.data(), prev_chlen);
+
+ l->pos = l->pos - prev_chlen + curr_chlen;
+ if (l->pos + prev_chlen != l->len) {
+ l->pos += prev_chlen;
+ }
+
+ refreshLine(l);
+ }
+}
+
+static void handleEscapeSequence(struct linenoiseState * l, int esc_type) {
+ switch (esc_type) {
+ case ESC_NULL:
+ break;
+ case ESC_DELETE:
+ linenoiseEditDelete(l);
+ break;
+ case ESC_UP:
+ linenoiseEditHistoryNext(l, LINENOISE_HISTORY_PREV);
+ break;
+ case ESC_DOWN:
+ linenoiseEditHistoryNext(l, LINENOISE_HISTORY_NEXT);
+ break;
+ case ESC_RIGHT:
+ linenoiseEditMoveRight(l);
+ break;
+ case ESC_LEFT:
+ linenoiseEditMoveLeft(l);
+ break;
+ case ESC_HOME:
+ linenoiseEditMoveHome(l);
+ break;
+ case ESC_END:
+ linenoiseEditMoveEnd(l);
+ break;
+ }
+}
+
+static void handleCtrlUKey(struct linenoiseState * l) {
+ l->buf[0] = '\0';
+ l->pos = l->len = 0;
+ refreshLine(l);
+}
+
+static void handleCtrlKKey(struct linenoiseState * l) {
+ l->buf[l->pos] = '\0';
+ l->len = l->pos;
+ refreshLine(l);
+}
+
+static const char * processInputCharacter(struct linenoiseState * l, int c, char * cbuf, int nread, int esc_type) {
+ switch (c) {
+ case ENTER:
+ return handleEnterKey(l);
+ case CTRL_C:
+ return handleCtrlCKey();
+ case BACKSPACE:
+ case 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. */
+ return handleCtrlDKey(l);
+ case CTRL_T:
+ handleCtrlTKey(l);
+ break;
+ case CTRL_B:
+ linenoiseEditMoveLeft(l);
+ break;
+ case CTRL_F:
+ linenoiseEditMoveRight(l);
+ break;
+ case CTRL_P:
+ linenoiseEditHistoryNext(l, LINENOISE_HISTORY_PREV);
+ break;
+ case CTRL_N:
+ linenoiseEditHistoryNext(l, LINENOISE_HISTORY_NEXT);
+ break;
+ case ESC:
+ handleEscapeSequence(l, esc_type);
+ break;
+ default:
+ if (linenoiseEditInsert(l, cbuf, nread)) {
+ return NULL;
+ }
+ break;
+ case CTRL_U: /* Ctrl+u, delete the whole line. */
+ handleCtrlUKey(l);
+ break;
+ case CTRL_K: /* Ctrl+k, delete from current to end of line. */
+ handleCtrlKKey(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 linenoiseEditMore;
+}
+
/* This function is part of the multiplexed API of linenoise, see the top
* comment on linenoiseEditStart() for more information. Call this function
* each time there is some data to read from the standard input file
*
* Some other errno: I/O error.
*/
-const char *linenoiseEditFeed(struct linenoiseState *l) {
- /* Not a TTY, pass control to line reading without character
- * count limits. */
+const char * linenoiseEditFeed(struct linenoiseState * l) {
+ /* Not a TTY, pass control to line reading without character count
+ * limits. */
if (!isatty(l->ifd)) return linenoiseNoTTY();
- char c;
+ int c;
int nread;
- char seq[3];
+ char cbuf[32];
- nread = read(l->ifd,&c,1);
+ nread = readCode(l->ifd, cbuf, sizeof(cbuf), &c);
if (nread <= 0) return NULL;
+ auto esc_type = ESC_NULL;
+ if (c == ESC) {
+ esc_type = readEscapeSequence(l);
+ }
+
/* 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 ((l->in_completion || c == 9) && completionCallback != NULL) {
- c = completeLine(l,c);
+ c = completeLine(l, c, esc_type);
/* Read next character when 0 */
if (c == 0) return linenoiseEditMore;
}
- switch(c) {
- case ENTER: /* enter */
- history_len--;
- free(history[history_len]);
- if (mlmode) linenoiseEditMoveEnd(l);
- if (hintsCallback) {
- /* Force a refresh without hints to leave the previous
- * line as the user typed it after a newline. */
- linenoiseHintsCallback *hc = hintsCallback;
- hintsCallback = NULL;
- refreshLine(l);
- hintsCallback = hc;
- }
- return strdup(l->buf);
- case CTRL_C: /* ctrl-c */
- errno = EAGAIN;
- return NULL;
- 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_len--;
- free(history[history_len]);
- errno = ENOENT;
- return NULL;
- }
- break;
- case CTRL_T: /* ctrl-t, swaps current character with previous. */
- if (l->pos > 0 && l->pos < l->len) {
- int aux = l->buf[l->pos-1];
- l->buf[l->pos-1] = l->buf[l->pos];
- l->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,c)) return NULL;
- break;
- case CTRL_U: /* Ctrl+u, delete the whole line. */
- l->buf[0] = '\0';
- l->pos = l->len = 0;
- refreshLine(l);
- break;
- case CTRL_K: /* Ctrl+k, delete from current to end of line. */
- l->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 linenoiseEditMore;
+ return processInputCharacter(l, c, cbuf, nread, esc_type);
}
/* This is part of the multiplexed linenoise API. See linenoiseEditStart()
}
/* This just implements a blocking loop for the multiplexed API.
- * In many applications that are not event-drivern, we can just call
+ * In many applications that are not event-driven, we can just call
* the blocking linenoise API, wait for the user to complete the editing
* and return the buffer. */
static const char *linenoiseBlockingEdit(int stdin_fd, int stdout_fd, char *buf, size_t buflen, const char *prompt)
quit[sizeof(quit)-1] = c; /* Insert current char on the right. */
if (memcmp(quit,"quit",sizeof(quit)) == 0) break;
- printf("'%c' %02x (%d) (type quit to exit)\n",
- isprint(c) ? c : '?', (int)c, (int)c);
+ printf("'%c' %02x (%d) (type quit to exit)\n", isprint((int) c) ? c : '?', (int) c, (int) c);
printf("\r"); /* Go left edge manually, we are in raw mode. */
fflush(stdout);
}