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Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.98

1.98    ! nicm        1: /* $OpenBSD: tty-term.c,v 1.97 2023/04/25 09:31:50 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.44      nicm        4:  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
1.3       nicm       21: #include <curses.h>
1.5       nicm       22: #include <fnmatch.h>
                     23: #include <stdlib.h>
1.1       nicm       24: #include <string.h>
                     25: #include <term.h>
1.5       nicm       26: #include <vis.h>
1.1       nicm       27:
                     28: #include "tmux.h"
                     29:
1.46      nicm       30: static char    *tty_term_strip(const char *);
1.1       nicm       31:
1.20      nicm       32: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1       nicm       33:
1.38      nicm       34: enum tty_code_type {
                     35:        TTYCODE_NONE = 0,
                     36:        TTYCODE_STRING,
                     37:        TTYCODE_NUMBER,
                     38:        TTYCODE_FLAG,
1.1       nicm       39: };
                     40:
1.38      nicm       41: struct tty_code {
                     42:        enum tty_code_type      type;
                     43:        union {
                     44:                char           *string;
                     45:                int             number;
                     46:                int             flag;
                     47:        } value;
                     48: };
                     49:
                     50: struct tty_term_code_entry {
                     51:        enum tty_code_type      type;
                     52:        const char             *name;
                     53: };
                     54:
1.46      nicm       55: static const struct tty_term_code_entry tty_term_codes[] = {
1.38      nicm       56:        [TTYC_ACSC] = { TTYCODE_STRING, "acsc" },
1.82      nicm       57:        [TTYC_AM] = { TTYCODE_FLAG, "am" },
1.38      nicm       58:        [TTYC_AX] = { TTYCODE_FLAG, "AX" },
                     59:        [TTYC_BCE] = { TTYCODE_FLAG, "bce" },
                     60:        [TTYC_BEL] = { TTYCODE_STRING, "bel" },
1.86      nicm       61:        [TTYC_BIDI] = { TTYCODE_STRING, "Bidi" },
1.38      nicm       62:        [TTYC_BLINK] = { TTYCODE_STRING, "blink" },
                     63:        [TTYC_BOLD] = { TTYCODE_STRING, "bold" },
                     64:        [TTYC_CIVIS] = { TTYCODE_STRING, "civis" },
                     65:        [TTYC_CLEAR] = { TTYCODE_STRING, "clear" },
1.77      nicm       66:        [TTYC_CLMG] = { TTYCODE_STRING, "Clmg" },
                     67:        [TTYC_CMG] = { TTYCODE_STRING, "Cmg" },
1.38      nicm       68:        [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
                     69:        [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
                     70:        [TTYC_CR] = { TTYCODE_STRING, "Cr" },
1.57      nicm       71:        [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38      nicm       72:        [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57      nicm       73:        [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38      nicm       74:        [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57      nicm       75:        [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38      nicm       76:        [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57      nicm       77:        [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38      nicm       78:        [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
                     79:        [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57      nicm       80:        [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38      nicm       81:        [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
                     82:        [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57      nicm       83:        [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38      nicm       84:        [TTYC_DCH] = { TTYCODE_STRING, "dch" },
                     85:        [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57      nicm       86:        [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38      nicm       87:        [TTYC_DL] = { TTYCODE_STRING, "dl" },
1.81      nicm       88:        [TTYC_DSEKS] = { TTYCODE_STRING, "Dseks" },
1.79      nicm       89:        [TTYC_DSFCS] = { TTYCODE_STRING, "Dsfcs" },
1.78      nicm       90:        [TTYC_DSBP] = { TTYCODE_STRING, "Dsbp" },
1.77      nicm       91:        [TTYC_DSMG] = { TTYCODE_STRING, "Dsmg" },
1.38      nicm       92:        [TTYC_E3] = { TTYCODE_STRING, "E3" },
                     93:        [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50      nicm       94:        [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57      nicm       95:        [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38      nicm       96:        [TTYC_EL] = { TTYCODE_STRING, "el" },
                     97:        [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
1.78      nicm       98:        [TTYC_ENBP] = { TTYCODE_STRING, "Enbp" },
1.81      nicm       99:        [TTYC_ENEKS] = { TTYCODE_STRING, "Eneks" },
1.79      nicm      100:        [TTYC_ENFCS] = { TTYCODE_STRING, "Enfcs" },
1.77      nicm      101:        [TTYC_ENMG] = { TTYCODE_STRING, "Enmg" },
1.38      nicm      102:        [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
1.93      nicm      103:        [TTYC_HLS] = { TTYCODE_STRING, "Hls" },
1.38      nicm      104:        [TTYC_HOME] = { TTYCODE_STRING, "home" },
                    105:        [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57      nicm      106:        [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38      nicm      107:        [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57      nicm      108:        [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38      nicm      109:        [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51      nicm      110:        [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38      nicm      111:        [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
                    112:        [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
                    113:        [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
                    114:        [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
                    115:        [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
                    116:        [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
                    117:        [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
                    118:        [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
                    119:        [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
                    120:        [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
                    121:        [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
                    122:        [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
                    123:        [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57      nicm      124:        [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38      nicm      125:        [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
                    126:        [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
                    127:        [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
                    128:        [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
                    129:        [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
                    130:        [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
                    131:        [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
                    132:        [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
                    133:        [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
                    134:        [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
                    135:        [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57      nicm      136:        [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38      nicm      137:        [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
                    138:        [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
                    139:        [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
                    140:        [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
                    141:        [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
                    142:        [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
                    143:        [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
                    144:        [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
                    145:        [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
                    146:        [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57      nicm      147:        [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38      nicm      148:        [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
                    149:        [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
                    150:        [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
                    151:        [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
                    152:        [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
                    153:        [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
                    154:        [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
                    155:        [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
                    156:        [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
                    157:        [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57      nicm      158:        [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38      nicm      159:        [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
                    160:        [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
                    161:        [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
                    162:        [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
                    163:        [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
                    164:        [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
                    165:        [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
                    166:        [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
                    167:        [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
                    168:        [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57      nicm      169:        [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38      nicm      170:        [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
                    171:        [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
                    172:        [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
                    173:        [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
                    174:        [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
                    175:        [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
                    176:        [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
                    177:        [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
                    178:        [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
                    179:        [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57      nicm      180:        [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38      nicm      181:        [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
                    182:        [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
                    183:        [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
                    184:        [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
                    185:        [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
                    186:        [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
                    187:        [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
                    188:        [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
                    189:        [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
                    190:        [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57      nicm      191:        [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38      nicm      192:        [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
                    193:        [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
                    194:        [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
                    195:        [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57      nicm      196:        [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38      nicm      197:        [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
                    198:        [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
                    199:        [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
                    200:        [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
                    201:        [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
                    202:        [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
                    203:        [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
                    204:        [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
                    205:        [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
                    206:        [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
                    207:        [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
                    208:        [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
                    209:        [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
                    210:        [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
                    211:        [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
                    212:        [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
                    213:        [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57      nicm      214:        [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38      nicm      215:        [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
                    216:        [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
                    217:        [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
                    218:        [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
                    219:        [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
                    220:        [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
                    221:        [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
                    222:        [TTYC_KNP] = { TTYCODE_STRING, "knp" },
                    223:        [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
                    224:        [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
                    225:        [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
                    226:        [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
                    227:        [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
                    228:        [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
                    229:        [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
                    230:        [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
                    231:        [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
                    232:        [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
                    233:        [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
                    234:        [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
                    235:        [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
                    236:        [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
                    237:        [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
                    238:        [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
                    239:        [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
                    240:        [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
                    241:        [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
1.57      nicm      242:        [TTYC_KRI] = { TTYCODE_STRING, "kri" },
                    243:        [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38      nicm      244:        [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
                    245:        [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
                    246:        [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
                    247:        [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
                    248:        [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
                    249:        [TTYC_MS] = { TTYCODE_STRING, "Ms" },
1.94      nicm      250:        [TTYC_NOBR] = { TTYCODE_STRING, "Nobr" },
1.84      nicm      251:        [TTYC_OL] = { TTYCODE_STRING, "ol" },
1.38      nicm      252:        [TTYC_OP] = { TTYCODE_STRING, "op" },
1.89      nicm      253:        [TTYC_RECT] = { TTYCODE_STRING, "Rect" },
1.38      nicm      254:        [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58      nicm      255:        [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.77      nicm      256:        [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38      nicm      257:        [TTYC_RI] = { TTYCODE_STRING, "ri" },
                    258:        [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
                    259:        [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
                    260:        [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
                    261:        [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
                    262:        [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.84      nicm      263:        [TTYC_SETAL] = { TTYCODE_STRING, "setal" },
1.55      nicm      264:        [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
                    265:        [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66      nicm      266:        [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57      nicm      267:        [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.95      nicm      268:        [TTYC_SXL] =  { TTYCODE_FLAG, "Sxl" },
1.38      nicm      269:        [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
                    270:        [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
                    271:        [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
                    272:        [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
                    273:        [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64      nicm      274:        [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38      nicm      275:        [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60      nicm      276:        [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38      nicm      277:        [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53      nicm      278:        [TTYC_SMXX] =  { TTYCODE_STRING, "smxx" },
1.38      nicm      279:        [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.92      nicm      280:        [TTYC_SWD] = { TTYCODE_STRING, "Swd" },
1.74      nicm      281:        [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45      nicm      282:        [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38      nicm      283:        [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57      nicm      284:        [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38      nicm      285:        [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
1.77      nicm      286:        [TTYC_XT] = { TTYCODE_FLAG, "XT" }
1.38      nicm      287: };
                    288:
                    289: u_int
                    290: tty_term_ncodes(void)
                    291: {
                    292:        return (nitems(tty_term_codes));
                    293: }
                    294:
1.46      nicm      295: static char *
1.1       nicm      296: tty_term_strip(const char *s)
                    297: {
                    298:        const char     *ptr;
1.68      nicm      299:        static char     buf[8192];
1.1       nicm      300:        size_t          len;
                    301:
                    302:        /* Ignore strings with no padding. */
                    303:        if (strchr(s, '$') == NULL)
                    304:                return (xstrdup(s));
                    305:
                    306:        len = 0;
                    307:        for (ptr = s; *ptr != '\0'; ptr++) {
                    308:                if (*ptr == '$' && *(ptr + 1) == '<') {
                    309:                        while (*ptr != '\0' && *ptr != '>')
                    310:                                ptr++;
                    311:                        if (*ptr == '>')
                    312:                                ptr++;
1.83      nicm      313:                        if (*ptr == '\0')
                    314:                                break;
1.1       nicm      315:                }
                    316:
                    317:                buf[len++] = *ptr;
                    318:                if (len == (sizeof buf) - 1)
                    319:                        break;
                    320:        }
                    321:        buf[len] = '\0';
                    322:
                    323:        return (xstrdup(buf));
                    324: }
                    325:
1.60      nicm      326: static char *
                    327: tty_term_override_next(const char *s, size_t *offset)
                    328: {
1.68      nicm      329:        static char     value[8192];
1.60      nicm      330:        size_t          n = 0, at = *offset;
                    331:
                    332:        if (s[at] == '\0')
                    333:                return (NULL);
                    334:
                    335:        while (s[at] != '\0') {
                    336:                if (s[at] == ':') {
                    337:                        if (s[at + 1] == ':') {
                    338:                                value[n++] = ':';
                    339:                                at += 2;
                    340:                        } else
                    341:                                break;
                    342:                } else {
                    343:                        value[n++] = s[at];
                    344:                        at++;
                    345:                }
                    346:                if (n == (sizeof value) - 1)
                    347:                        return (NULL);
                    348:        }
                    349:        if (s[at] != '\0')
                    350:                *offset = at + 1;
                    351:        else
                    352:                *offset = at;
                    353:        value[n] = '\0';
                    354:        return (value);
                    355: }
                    356:
1.73      nicm      357: void
                    358: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1       nicm      359: {
1.19      nicm      360:        const struct tty_term_code_entry        *ent;
                    361:        struct tty_code                         *code;
1.60      nicm      362:        size_t                                   offset = 0;
                    363:        char                                    *cp, *value, *s;
1.73      nicm      364:        const char                              *errstr, *name = term->name;
1.19      nicm      365:        u_int                                    i;
1.49      nicm      366:        int                                      n, remove;
1.5       nicm      367:
1.73      nicm      368:        while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49      nicm      369:                if (*s == '\0')
1.5       nicm      370:                        continue;
1.49      nicm      371:                value = NULL;
                    372:
                    373:                remove = 0;
                    374:                if ((cp = strchr(s, '=')) != NULL) {
                    375:                        *cp++ = '\0';
                    376:                        value = xstrdup(cp);
                    377:                        if (strunvis(value, cp) == -1) {
                    378:                                free(value);
                    379:                                value = xstrdup(cp);
                    380:                        }
                    381:                } else if (s[strlen(s) - 1] == '@') {
                    382:                        s[strlen(s) - 1] = '\0';
                    383:                        remove = 1;
                    384:                } else
                    385:                        value = xstrdup("");
                    386:
1.73      nicm      387:                if (!quiet) {
                    388:                        if (remove)
                    389:                                log_debug("%s override: %s@", name, s);
                    390:                        else if (*value == '\0')
                    391:                                log_debug("%s override: %s", name, s);
                    392:                        else
                    393:                                log_debug("%s override: %s=%s", name, s, value);
                    394:                }
1.49      nicm      395:
                    396:                for (i = 0; i < tty_term_ncodes(); i++) {
                    397:                        ent = &tty_term_codes[i];
                    398:                        if (strcmp(s, ent->name) != 0)
1.5       nicm      399:                                continue;
1.49      nicm      400:                        code = &term->codes[i];
1.5       nicm      401:
1.49      nicm      402:                        if (remove) {
                    403:                                code->type = TTYCODE_NONE;
                    404:                                continue;
                    405:                        }
                    406:                        switch (ent->type) {
                    407:                        case TTYCODE_NONE:
                    408:                                break;
                    409:                        case TTYCODE_STRING:
                    410:                                if (code->type == TTYCODE_STRING)
                    411:                                        free(code->value.string);
                    412:                                code->value.string = xstrdup(value);
                    413:                                code->type = ent->type;
                    414:                                break;
                    415:                        case TTYCODE_NUMBER:
                    416:                                n = strtonum(value, 0, INT_MAX, &errstr);
                    417:                                if (errstr != NULL)
1.5       nicm      418:                                        break;
1.49      nicm      419:                                code->value.number = n;
                    420:                                code->type = ent->type;
                    421:                                break;
                    422:                        case TTYCODE_FLAG:
                    423:                                code->value.flag = 1;
                    424:                                code->type = ent->type;
                    425:                                break;
1.5       nicm      426:                        }
1.49      nicm      427:                }
1.5       nicm      428:
1.49      nicm      429:                free(value);
1.1       nicm      430:        }
                    431: }
                    432:
1.75      nicm      433: void
                    434: tty_term_apply_overrides(struct tty_term *term)
                    435: {
                    436:        struct options_entry            *o;
                    437:        struct options_array_item       *a;
                    438:        union options_value             *ov;
1.89      nicm      439:        const char                      *s, *acs;
1.75      nicm      440:        size_t                           offset;
                    441:        char                            *first;
                    442:
1.89      nicm      443:        /* Update capabilities from the option. */
1.75      nicm      444:        o = options_get_only(global_options, "terminal-overrides");
                    445:        a = options_array_first(o);
                    446:        while (a != NULL) {
                    447:                ov = options_array_item_value(a);
                    448:                s = ov->string;
                    449:
                    450:                offset = 0;
                    451:                first = tty_term_override_next(s, &offset);
                    452:                if (first != NULL && fnmatch(first, term->name, 0) == 0)
                    453:                        tty_term_apply(term, s + offset, 0);
                    454:                a = options_array_next(a);
                    455:        }
1.96      nicm      456:
                    457:        /* Log the SIXEL flag. */
                    458:        log_debug("SIXEL flag is %d", !!(term->flags & TERM_SIXEL));
1.89      nicm      459:
                    460:        /* Update the RGB flag if the terminal has RGB colours. */
                    461:        if (tty_term_has(term, TTYC_SETRGBF) &&
                    462:            tty_term_has(term, TTYC_SETRGBB))
                    463:                term->flags |= TERM_RGBCOLOURS;
                    464:        else
                    465:                term->flags &= ~TERM_RGBCOLOURS;
                    466:        log_debug("RGBCOLOURS flag is %d", !!(term->flags & TERM_RGBCOLOURS));
                    467:
                    468:        /*
                    469:         * Set or clear the DECSLRM flag if the terminal has the margin
                    470:         * capabilities.
                    471:         */
                    472:        if (tty_term_has(term, TTYC_CMG) && tty_term_has(term, TTYC_CLMG))
                    473:                term->flags |= TERM_DECSLRM;
                    474:        else
                    475:                term->flags &= ~TERM_DECSLRM;
                    476:        log_debug("DECSLRM flag is %d", !!(term->flags & TERM_DECSLRM));
                    477:
                    478:        /*
                    479:         * Set or clear the DECFRA flag if the terminal has the rectangle
                    480:         * capability.
                    481:         */
                    482:        if (tty_term_has(term, TTYC_RECT))
                    483:                term->flags |= TERM_DECFRA;
                    484:        else
                    485:                term->flags &= ~TERM_DECFRA;
                    486:        log_debug("DECFRA flag is %d", !!(term->flags & TERM_DECFRA));
                    487:
                    488:        /*
                    489:         * Terminals without am (auto right margin) wrap at at $COLUMNS - 1
                    490:         * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
                    491:         *
                    492:         * Terminals without xenl (eat newline glitch) ignore a newline beyond
                    493:         * the right edge of the terminal, but tmux doesn't care about this -
                    494:         * it always uses absolute only moves the cursor with a newline when
                    495:         * also sending a linefeed.
                    496:         *
                    497:         * This is irritating, most notably because it is painful to write to
                    498:         * the very bottom-right of the screen without scrolling.
                    499:         *
                    500:         * Flag the terminal here and apply some workarounds in other places to
                    501:         * do the best possible.
                    502:         */
                    503:        if (!tty_term_flag(term, TTYC_AM))
                    504:                term->flags |= TERM_NOAM;
                    505:        else
                    506:                term->flags &= ~TERM_NOAM;
                    507:        log_debug("NOAM flag is %d", !!(term->flags & TERM_NOAM));
                    508:
                    509:        /* Generate ACS table. If none is present, use nearest ASCII. */
                    510:        memset(term->acs, 0, sizeof term->acs);
                    511:        if (tty_term_has(term, TTYC_ACSC))
                    512:                acs = tty_term_string(term, TTYC_ACSC);
                    513:        else
                    514:                acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
                    515:        for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
                    516:                term->acs[(u_char) acs[0]][0] = acs[1];
1.75      nicm      517: }
                    518:
1.1       nicm      519: struct tty_term *
1.87      nicm      520: tty_term_create(struct tty *tty, char *name, char **caps, u_int ncaps,
                    521:     int *feat, char **cause)
1.1       nicm      522: {
1.19      nicm      523:        struct tty_term                         *term;
                    524:        const struct tty_term_code_entry        *ent;
                    525:        struct tty_code                         *code;
1.49      nicm      526:        struct options_entry                    *o;
1.61      nicm      527:        struct options_array_item               *a;
1.62      nicm      528:        union options_value                     *ov;
1.87      nicm      529:        u_int                                    i, j;
1.89      nicm      530:        const char                              *s, *value;
1.87      nicm      531:        size_t                                   offset, namelen;
1.73      nicm      532:        char                                    *first;
1.1       nicm      533:
1.73      nicm      534:        log_debug("adding term %s", name);
1.1       nicm      535:
1.73      nicm      536:        term = xcalloc(1, sizeof *term);
                    537:        term->tty = tty;
1.1       nicm      538:        term->name = xstrdup(name);
1.47      nicm      539:        term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20      nicm      540:        LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1       nicm      541:
1.87      nicm      542:        /* Fill in codes. */
                    543:        for (i = 0; i < ncaps; i++) {
                    544:                namelen = strcspn(caps[i], "=");
                    545:                if (namelen == 0)
                    546:                        continue;
                    547:                value = caps[i] + namelen + 1;
1.1       nicm      548:
1.87      nicm      549:                for (j = 0; j < tty_term_ncodes(); j++) {
                    550:                        ent = &tty_term_codes[j];
                    551:                        if (strncmp(ent->name, caps[i], namelen) != 0)
                    552:                                continue;
                    553:                        if (ent->name[namelen] != '\0')
                    554:                                continue;
1.1       nicm      555:
1.87      nicm      556:                        code = &term->codes[j];
                    557:                        code->type = TTYCODE_NONE;
                    558:                        switch (ent->type) {
                    559:                        case TTYCODE_NONE:
                    560:                                break;
                    561:                        case TTYCODE_STRING:
                    562:                                code->type = TTYCODE_STRING;
                    563:                                code->value.string = tty_term_strip(value);
1.1       nicm      564:                                break;
1.87      nicm      565:                        case TTYCODE_NUMBER:
                    566:                                code->type = TTYCODE_NUMBER;
                    567:                                code->value.number = atoi(value);
1.1       nicm      568:                                break;
1.87      nicm      569:                        case TTYCODE_FLAG:
                    570:                                code->type = TTYCODE_FLAG;
                    571:                                code->value.flag = (*value == '1');
1.1       nicm      572:                                break;
1.87      nicm      573:                        }
1.1       nicm      574:                }
                    575:        }
1.33      nicm      576:
1.73      nicm      577:        /* Apply terminal features. */
                    578:        o = options_get_only(global_options, "terminal-features");
                    579:        a = options_array_first(o);
                    580:        while (a != NULL) {
                    581:                ov = options_array_item_value(a);
                    582:                s = ov->string;
                    583:
                    584:                offset = 0;
                    585:                first = tty_term_override_next(s, &offset);
                    586:                if (first != NULL && fnmatch(first, term->name, 0) == 0)
                    587:                        tty_add_features(feat, s + offset, ":");
                    588:                a = options_array_next(a);
                    589:        }
1.1       nicm      590:
1.76      nicm      591:        /* Apply overrides so any capabilities used for features are changed. */
                    592:        tty_term_apply_overrides(term);
                    593:
1.1       nicm      594:        /* These are always required. */
                    595:        if (!tty_term_has(term, TTYC_CLEAR)) {
                    596:                xasprintf(cause, "terminal does not support clear");
                    597:                goto error;
                    598:        }
                    599:        if (!tty_term_has(term, TTYC_CUP)) {
                    600:                xasprintf(cause, "terminal does not support cup");
                    601:                goto error;
                    602:        }
                    603:
1.80      nicm      604:        /*
                    605:         * If TERM has XT or clear starts with CSI then it is safe to assume
                    606:         * the terminal is derived from the VT100. This controls whether device
                    607:         * attributes requests are sent to get more information.
                    608:         *
                    609:         * This is a bit of a hack but there aren't that many alternatives.
                    610:         * Worst case tmux will just fall back to using whatever terminfo(5)
                    611:         * says without trying to correct anything that is missing.
                    612:         *
                    613:         * Also add few features that VT100-like terminals should either
                    614:         * support or safely ignore.
                    615:         */
                    616:        s = tty_term_string(term, TTYC_CLEAR);
                    617:        if (tty_term_flag(term, TTYC_XT) || strncmp(s, "\033[", 2) == 0) {
                    618:                term->flags |= TERM_VT100LIKE;
                    619:                tty_add_features(feat, "bpaste,focus,title", ",");
1.1       nicm      620:        }
                    621:
1.73      nicm      622:        /* Add RGB feature if terminal has RGB colours. */
                    623:        if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
                    624:            (!tty_term_has(term, TTYC_SETRGBF) ||
                    625:            !tty_term_has(term, TTYC_SETRGBB)))
1.78      nicm      626:                tty_add_features(feat, "RGB", ",");
1.73      nicm      627:
1.76      nicm      628:        /* Apply the features and overrides again. */
1.89      nicm      629:        if (tty_apply_features(term, *feat))
                    630:                tty_term_apply_overrides(term);
1.22      nicm      631:
1.71      nicm      632:        /* Log the capabilities. */
1.56      nicm      633:        for (i = 0; i < tty_term_ncodes(); i++)
                    634:                log_debug("%s%s", name, tty_term_describe(term, i));
1.55      nicm      635:
1.1       nicm      636:        return (term);
                    637:
                    638: error:
                    639:        tty_term_free(term);
                    640:        return (NULL);
                    641: }
                    642:
                    643: void
                    644: tty_term_free(struct tty_term *term)
                    645: {
                    646:        u_int   i;
                    647:
1.73      nicm      648:        log_debug("removing term %s", term->name);
1.1       nicm      649:
1.38      nicm      650:        for (i = 0; i < tty_term_ncodes(); i++) {
1.1       nicm      651:                if (term->codes[i].type == TTYCODE_STRING)
1.29      nicm      652:                        free(term->codes[i].value.string);
1.1       nicm      653:        }
1.38      nicm      654:        free(term->codes);
                    655:
1.73      nicm      656:        LIST_REMOVE(term, entry);
1.29      nicm      657:        free(term->name);
                    658:        free(term);
1.87      nicm      659: }
                    660:
                    661: int
                    662: tty_term_read_list(const char *name, int fd, char ***caps, u_int *ncaps,
                    663:     char **cause)
                    664: {
                    665:        const struct tty_term_code_entry        *ent;
                    666:        int                                      error, n;
                    667:        u_int                                    i;
                    668:        const char                              *s;
                    669:        char                                     tmp[11];
                    670:
1.91      nicm      671:        if (setupterm((char *)name, fd, &error) != OK) {
1.87      nicm      672:                switch (error) {
                    673:                case 1:
                    674:                        xasprintf(cause, "can't use hardcopy terminal: %s",
                    675:                            name);
                    676:                        break;
                    677:                case 0:
                    678:                        xasprintf(cause, "missing or unsuitable terminal: %s",
                    679:                            name);
                    680:                        break;
                    681:                case -1:
                    682:                        xasprintf(cause, "can't find terminfo database");
                    683:                        break;
                    684:                default:
                    685:                        xasprintf(cause, "unknown error");
                    686:                        break;
                    687:                }
                    688:                return (-1);
                    689:        }
                    690:
                    691:        *ncaps = 0;
                    692:        *caps = NULL;
                    693:
                    694:        for (i = 0; i < tty_term_ncodes(); i++) {
                    695:                ent = &tty_term_codes[i];
                    696:                switch (ent->type) {
                    697:                case TTYCODE_NONE:
1.90      nicm      698:                        continue;
1.87      nicm      699:                case TTYCODE_STRING:
                    700:                        s = tigetstr((char *)ent->name);
                    701:                        if (s == NULL || s == (char *)-1)
                    702:                                continue;
                    703:                        break;
                    704:                case TTYCODE_NUMBER:
                    705:                        n = tigetnum((char *)ent->name);
                    706:                        if (n == -1 || n == -2)
                    707:                                continue;
                    708:                        xsnprintf(tmp, sizeof tmp, "%d", n);
                    709:                        s = tmp;
                    710:                        break;
                    711:                case TTYCODE_FLAG:
                    712:                        n = tigetflag((char *) ent->name);
                    713:                        if (n == -1)
                    714:                                continue;
                    715:                        if (n)
                    716:                                s = "1";
                    717:                        else
                    718:                                s = "0";
                    719:                        break;
                    720:                }
                    721:                *caps = xreallocarray(*caps, (*ncaps) + 1, sizeof **caps);
                    722:                xasprintf(&(*caps)[*ncaps], "%s=%s", ent->name, s);
                    723:                (*ncaps)++;
                    724:        }
                    725:
                    726:        del_curterm(cur_term);
                    727:        return (0);
                    728: }
                    729:
                    730: void
                    731: tty_term_free_list(char **caps, u_int ncaps)
                    732: {
                    733:        u_int   i;
                    734:
                    735:        for (i = 0; i < ncaps; i++)
                    736:                free(caps[i]);
                    737:        free(caps);
1.1       nicm      738: }
                    739:
                    740: int
                    741: tty_term_has(struct tty_term *term, enum tty_code_code code)
                    742: {
                    743:        return (term->codes[code].type != TTYCODE_NONE);
                    744: }
                    745:
                    746: const char *
                    747: tty_term_string(struct tty_term *term, enum tty_code_code code)
                    748: {
                    749:        if (!tty_term_has(term, code))
                    750:                return ("");
                    751:        if (term->codes[code].type != TTYCODE_STRING)
1.42      nicm      752:                fatalx("not a string: %d", code);
1.1       nicm      753:        return (term->codes[code].value.string);
                    754: }
                    755:
                    756: const char *
1.97      nicm      757: tty_term_string_i(struct tty_term *term, enum tty_code_code code, int a)
1.1       nicm      758: {
1.97      nicm      759:        const char      *x = tty_term_string(term, code), *s;
                    760:
                    761:        s = tparm((char *)x, a);
1.98    ! nicm      762:        if (s == NULL) {
        !           763:                log_debug("could not expand %s", tty_term_codes[code].name);
        !           764:                return ("");
        !           765:        }
1.97      nicm      766:        return (s);
1.1       nicm      767: }
                    768:
                    769: const char *
1.97      nicm      770: tty_term_string_ii(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23      nicm      771: {
1.97      nicm      772:        const char      *x = tty_term_string(term, code), *s;
                    773:
                    774:        s = tparm((char *)x, a, b);
1.98    ! nicm      775:        if (s == NULL) {
        !           776:                log_debug("could not expand %s", tty_term_codes[code].name);
        !           777:                return ("");
        !           778:        }
1.97      nicm      779:        return (s);
1.55      nicm      780: }
                    781:
                    782: const char *
1.98    ! nicm      783: tty_term_string_iii(struct tty_term *term, enum tty_code_code code, int a,
        !           784:     int b, int c)
1.55      nicm      785: {
1.97      nicm      786:        const char      *x = tty_term_string(term, code), *s;
                    787:
                    788:        s = tparm((char *)x, a, b, c);
1.98    ! nicm      789:        if (s == NULL) {
        !           790:                log_debug("could not expand %s", tty_term_codes[code].name);
        !           791:                return ("");
        !           792:        }
1.97      nicm      793:        return (s);
1.24      nicm      794: }
                    795:
                    796: const char *
1.97      nicm      797: tty_term_string_s(struct tty_term *term, enum tty_code_code code, const char *a)
1.24      nicm      798: {
1.97      nicm      799:        const char      *x = tty_term_string(term, code), *s;
                    800:
                    801:        s = tparm((char *)x, (long)a);
1.98    ! nicm      802:        if (s == NULL) {
        !           803:                log_debug("could not expand %s", tty_term_codes[code].name);
        !           804:                return ("");
        !           805:        }
1.97      nicm      806:        return (s);
1.23      nicm      807: }
                    808:
                    809: const char *
1.98    ! nicm      810: tty_term_string_ss(struct tty_term *term, enum tty_code_code code,
        !           811:     const char *a, const char *b)
1.1       nicm      812: {
1.97      nicm      813:        const char      *x = tty_term_string(term, code), *s;
                    814:
                    815:        s = tparm((char *)x, (long)a, (long)b);
1.98    ! nicm      816:        if (s == NULL) {
        !           817:                log_debug("could not expand %s", tty_term_codes[code].name);
        !           818:                return ("");
        !           819:        }
1.97      nicm      820:        return (s);
1.1       nicm      821: }
                    822:
                    823: int
                    824: tty_term_number(struct tty_term *term, enum tty_code_code code)
                    825: {
                    826:        if (!tty_term_has(term, code))
                    827:                return (0);
                    828:        if (term->codes[code].type != TTYCODE_NUMBER)
1.42      nicm      829:                fatalx("not a number: %d", code);
1.1       nicm      830:        return (term->codes[code].value.number);
                    831: }
                    832:
                    833: int
                    834: tty_term_flag(struct tty_term *term, enum tty_code_code code)
                    835: {
                    836:        if (!tty_term_has(term, code))
                    837:                return (0);
                    838:        if (term->codes[code].type != TTYCODE_FLAG)
1.42      nicm      839:                fatalx("not a flag: %d", code);
1.1       nicm      840:        return (term->codes[code].value.flag);
1.38      nicm      841: }
                    842:
                    843: const char *
                    844: tty_term_describe(struct tty_term *term, enum tty_code_code code)
                    845: {
                    846:        static char      s[256];
                    847:        char             out[128];
                    848:
                    849:        switch (term->codes[code].type) {
                    850:        case TTYCODE_NONE:
                    851:                xsnprintf(s, sizeof s, "%4u: %s: [missing]",
                    852:                    code, tty_term_codes[code].name);
                    853:                break;
                    854:        case TTYCODE_STRING:
                    855:                strnvis(out, term->codes[code].value.string, sizeof out,
1.65      nicm      856:                    VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38      nicm      857:                xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
                    858:                    code, tty_term_codes[code].name,
                    859:                    out);
                    860:                break;
                    861:        case TTYCODE_NUMBER:
                    862:                xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
                    863:                    code, tty_term_codes[code].name,
                    864:                    term->codes[code].value.number);
                    865:                break;
                    866:        case TTYCODE_FLAG:
                    867:                xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
                    868:                    code, tty_term_codes[code].name,
                    869:                    term->codes[code].value.flag ? "true" : "false");
                    870:                break;
                    871:        }
                    872:        return (s);
1.1       nicm      873: }