| teken.c (197116) | teken.c (197117) |
|---|---|
| 1/*- 2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/teken/teken.c 197116 2009-09-12 10:41:32Z ed $ | 26 * $FreeBSD: head/sys/teken/teken.c 197117 2009-09-12 12:44:21Z ed $ |
| 27 */ 28 29#include <sys/cdefs.h> 30#if defined(__FreeBSD__) && defined(_KERNEL) 31#include <sys/param.h> 32#include <sys/lock.h> 33#include <sys/systm.h> 34#define teken_assert(x) MPASS(x) --- 10 unchanged lines hidden (view full) --- 45 fprintf(df, x, ## __VA_ARGS__); \ 46} while (0) 47/* debug messages */ 48static FILE *df; 49#endif /* __FreeBSD__ && _KERNEL */ 50 51#include "teken.h" 52#include "teken_wcwidth.h" | 27 */ 28 29#include <sys/cdefs.h> 30#if defined(__FreeBSD__) && defined(_KERNEL) 31#include <sys/param.h> 32#include <sys/lock.h> 33#include <sys/systm.h> 34#define teken_assert(x) MPASS(x) --- 10 unchanged lines hidden (view full) --- 45 fprintf(df, x, ## __VA_ARGS__); \ 46} while (0) 47/* debug messages */ 48static FILE *df; 49#endif /* __FreeBSD__ && _KERNEL */ 50 51#include "teken.h" 52#include "teken_wcwidth.h" |
| 53 54#ifdef TEKEN_XTERM | |
| 55#include "teken_scs.h" | 53#include "teken_scs.h" |
| 56#else /* !TEKEN_XTERM */ 57#define teken_scs_process(t, c) (c) 58#define teken_scs_restore(t) 59#define teken_scs_save(t) 60#define teken_scs_set(t, g, ts) 61#define teken_scs_switch(t, g) 62#endif /* TEKEN_XTERM */ | |
| 63 64/* Private flags for t_stateflags. */ 65#define TS_FIRSTDIGIT 0x01 /* First numeric digit in escape sequence. */ 66#define TS_INSERT 0x02 /* Insert mode. */ 67#define TS_AUTOWRAP 0x04 /* Autowrap. */ 68#define TS_ORIGIN 0x08 /* Origin mode. */ | 54 55/* Private flags for t_stateflags. */ 56#define TS_FIRSTDIGIT 0x01 /* First numeric digit in escape sequence. */ 57#define TS_INSERT 0x02 /* Insert mode. */ 58#define TS_AUTOWRAP 0x04 /* Autowrap. */ 59#define TS_ORIGIN 0x08 /* Origin mode. */ |
| 69#ifdef TEKEN_XTERM | |
| 70#define TS_WRAPPED 0x10 /* Next character should be printed on col 0. */ | 60#define TS_WRAPPED 0x10 /* Next character should be printed on col 0. */ |
| 71#else /* !TEKEN_XTERM */ 72#define TS_WRAPPED 0x00 /* Simple line wrapping. */ 73#endif /* TEKEN_XTERM */ | 61#define TS_8BIT 0x20 /* UTF-8 disabled. */ 62#define TS_CONS25 0x40 /* cons25 emulation. */ |
| 74 75/* Character that blanks a cell. */ 76#define BLANK ' ' 77 78static teken_state_t teken_state_init; 79 80/* 81 * Wrappers for hooks. --- 85 unchanged lines hidden (view full) --- 167 if (df != NULL) 168 setvbuf(df, NULL, _IOLBF, BUFSIZ); 169#endif /* !(__FreeBSD__ && _KERNEL) */ 170 171 t->t_funcs = tf; 172 t->t_softc = softc; 173 174 t->t_nextstate = teken_state_init; | 63 64/* Character that blanks a cell. */ 65#define BLANK ' ' 66 67static teken_state_t teken_state_init; 68 69/* 70 * Wrappers for hooks. --- 85 unchanged lines hidden (view full) --- 156 if (df != NULL) 157 setvbuf(df, NULL, _IOLBF, BUFSIZ); 158#endif /* !(__FreeBSD__ && _KERNEL) */ 159 160 t->t_funcs = tf; 161 t->t_softc = softc; 162 163 t->t_nextstate = teken_state_init; |
| 164 t->t_stateflags = 0; 165 t->t_utf8_left = 0; |
|
| 175 176 t->t_defattr.ta_format = 0; 177 t->t_defattr.ta_fgcolor = TC_WHITE; 178 t->t_defattr.ta_bgcolor = TC_BLACK; 179 teken_subr_do_reset(t); 180 | 166 167 t->t_defattr.ta_format = 0; 168 t->t_defattr.ta_fgcolor = TC_WHITE; 169 t->t_defattr.ta_bgcolor = TC_BLACK; 170 teken_subr_do_reset(t); 171 |
| 181 t->t_utf8_left = 0; 182 | |
| 183 teken_set_winsize(t, &tp); 184} 185 186static void 187teken_input_char(teken_t *t, teken_char_t c) 188{ 189 190 switch (c) { --- 7 unchanged lines hidden (view full) --- 198 break; 199 case '\n': 200 case '\x0B': 201 teken_subr_newline(t); 202 break; 203 case '\x0C': 204 teken_subr_newpage(t); 205 break; | 172 teken_set_winsize(t, &tp); 173} 174 175static void 176teken_input_char(teken_t *t, teken_char_t c) 177{ 178 179 switch (c) { --- 7 unchanged lines hidden (view full) --- 187 break; 188 case '\n': 189 case '\x0B': 190 teken_subr_newline(t); 191 break; 192 case '\x0C': 193 teken_subr_newpage(t); 194 break; |
| 206#ifdef TEKEN_XTERM | |
| 207 case '\x0E': | 195 case '\x0E': |
| 208 teken_scs_switch(t, 1); | 196 if (t->t_stateflags & TS_CONS25) 197 t->t_nextstate(t, c); 198 else 199 teken_scs_switch(t, 1); |
| 209 break; 210 case '\x0F': | 200 break; 201 case '\x0F': |
| 211 teken_scs_switch(t, 0); | 202 if (t->t_stateflags & TS_CONS25) 203 t->t_nextstate(t, c); 204 else 205 teken_scs_switch(t, 0); |
| 212 break; | 206 break; |
| 213#endif /* TEKEN_XTERM */ | |
| 214 case '\r': 215 teken_subr_carriage_return(t); 216 break; 217 case '\t': 218 teken_subr_horizontal_tab(t); 219 break; 220 default: 221 t->t_nextstate(t, c); --- 18 unchanged lines hidden (view full) --- 240 241static void 242teken_input_byte(teken_t *t, unsigned char c) 243{ 244 245 /* 246 * UTF-8 handling. 247 */ | 207 case '\r': 208 teken_subr_carriage_return(t); 209 break; 210 case '\t': 211 teken_subr_horizontal_tab(t); 212 break; 213 default: 214 t->t_nextstate(t, c); --- 18 unchanged lines hidden (view full) --- 233 234static void 235teken_input_byte(teken_t *t, unsigned char c) 236{ 237 238 /* 239 * UTF-8 handling. 240 */ |
| 248 if (t->t_utf8_left == -1) { 249 /* UTF-8 disabled. */ 250 teken_input_char(t, c); 251 } else if ((c & 0x80) == 0x00) { | 241 if ((c & 0x80) == 0x00 || t->t_stateflags & TS_8BIT) { |
| 252 /* One-byte sequence. */ 253 t->t_utf8_left = 0; 254 teken_input_char(t, c); 255 } else if ((c & 0xe0) == 0xc0) { 256 /* Two-byte sequence. */ 257 t->t_utf8_left = 1; 258 t->t_utf8_partial = c & 0x1f; 259 } else if ((c & 0xf0) == 0xe0) { --- 20 unchanged lines hidden (view full) --- 280teken_input(teken_t *t, const void *buf, size_t len) 281{ 282 const char *c = buf; 283 284 while (len-- > 0) 285 teken_input_byte(t, *c++); 286} 287 | 242 /* One-byte sequence. */ 243 t->t_utf8_left = 0; 244 teken_input_char(t, c); 245 } else if ((c & 0xe0) == 0xc0) { 246 /* Two-byte sequence. */ 247 t->t_utf8_left = 1; 248 t->t_utf8_partial = c & 0x1f; 249 } else if ((c & 0xf0) == 0xe0) { --- 20 unchanged lines hidden (view full) --- 270teken_input(teken_t *t, const void *buf, size_t len) 271{ 272 const char *c = buf; 273 274 while (len-- > 0) 275 teken_input_byte(t, *c++); 276} 277 |
| 278const teken_pos_t * 279teken_get_cursor(teken_t *t) 280{ 281 282 return (&t->t_cursor); 283} 284 |
|
| 288void 289teken_set_cursor(teken_t *t, const teken_pos_t *p) 290{ 291 292 /* XXX: bounds checking with originreg! */ 293 teken_assert(p->tp_row < t->t_winsize.tp_row); 294 teken_assert(p->tp_col < t->t_winsize.tp_col); 295 --- 23 unchanged lines hidden (view full) --- 319 320void 321teken_set_defattr(teken_t *t, const teken_attr_t *a) 322{ 323 324 t->t_curattr = t->t_saved_curattr = t->t_defattr = *a; 325} 326 | 285void 286teken_set_cursor(teken_t *t, const teken_pos_t *p) 287{ 288 289 /* XXX: bounds checking with originreg! */ 290 teken_assert(p->tp_row < t->t_winsize.tp_row); 291 teken_assert(p->tp_col < t->t_winsize.tp_col); 292 --- 23 unchanged lines hidden (view full) --- 316 317void 318teken_set_defattr(teken_t *t, const teken_attr_t *a) 319{ 320 321 t->t_curattr = t->t_saved_curattr = t->t_defattr = *a; 322} 323 |
| 324const teken_pos_t * 325teken_get_winsize(teken_t *t) 326{ 327 328 return (&t->t_winsize); 329} 330 |
|
| 327void 328teken_set_winsize(teken_t *t, const teken_pos_t *p) 329{ 330 331 t->t_winsize = *p; 332 teken_subr_do_reset(t); 333} 334 335void 336teken_set_8bit(teken_t *t) 337{ 338 | 331void 332teken_set_winsize(teken_t *t, const teken_pos_t *p) 333{ 334 335 t->t_winsize = *p; 336 teken_subr_do_reset(t); 337} 338 339void 340teken_set_8bit(teken_t *t) 341{ 342 |
| 339 t->t_utf8_left = -1; | 343 t->t_stateflags |= TS_8BIT; |
| 340} 341 | 344} 345 |
| 346void 347teken_set_cons25(teken_t *t) 348{ 349 350 t->t_stateflags |= TS_CONS25; 351} 352 |
|
| 342/* 343 * State machine. 344 */ 345 346static void 347teken_state_switch(teken_t *t, teken_state_t *s) 348{ 349 --- 52 unchanged lines hidden --- | 353/* 354 * State machine. 355 */ 356 357static void 358teken_state_switch(teken_t *t, teken_state_t *s) 359{ 360 --- 52 unchanged lines hidden --- |