| 17 |
#include "common.h" |
#include "common.h" |
| 18 |
#include "lml.h" |
#include "lml.h" |
| 19 |
#include "log.h" |
#include "log.h" |
| 20 |
|
#include "str_process.h" |
| 21 |
|
#include <ctype.h> |
| 22 |
#include <stdio.h> |
#include <stdio.h> |
| 23 |
#include <string.h> |
#include <string.h> |
| 24 |
#include <sys/param.h> |
#include <sys/param.h> |
| 180 |
} |
} |
| 181 |
} |
} |
| 182 |
|
|
| 183 |
int lml_render(const char *str_in, char *str_out, int buf_len, int quote_mode) |
#define CHECK_AND_APPEND_OUTPUT(out_buf, out_buf_len, out_buf_offset, tag_out, tag_out_len, line_width) \ |
| 184 |
|
{ \ |
| 185 |
|
if ((out_buf_offset) + (tag_out_len) >= (out_buf_len)) \ |
| 186 |
|
{ \ |
| 187 |
|
log_error("Buffer is not longer enough for output string %d >= %d\n", (out_buf_offset) + (tag_out_len), (out_buf_len)); \ |
| 188 |
|
out_buf[out_buf_offset] = '\0'; \ |
| 189 |
|
return (out_buf_offset); \ |
| 190 |
|
} \ |
| 191 |
|
memcpy((out_buf) + (out_buf_offset), (tag_out), (size_t)(tag_out_len)); \ |
| 192 |
|
*((out_buf) + (out_buf_offset) + (size_t)(tag_out_len)) = '\0'; \ |
| 193 |
|
(line_width) += str_length((out_buf) + (out_buf_offset), 1); \ |
| 194 |
|
(out_buf_offset) += (tag_out_len); \ |
| 195 |
|
} |
| 196 |
|
|
| 197 |
|
int lml_render(const char *str_in, char *str_out, int buf_len, int width, int quote_mode) |
| 198 |
{ |
{ |
| 199 |
char c; |
char c; |
| 200 |
char tag_param_buf[LML_TAG_PARAM_BUF_LEN]; |
char tag_param_buf[LML_TAG_PARAM_BUF_LEN]; |
| 210 |
int new_line = 1; |
int new_line = 1; |
| 211 |
int fb_quote_level = 0; |
int fb_quote_level = 0; |
| 212 |
int tag_name_found; |
int tag_name_found; |
| 213 |
|
int line_width = 0; |
| 214 |
|
|
| 215 |
lml_init(); |
lml_init(); |
| 216 |
|
|
| 217 |
lml_tag_disabled = 0; |
lml_tag_disabled = 0; |
| 218 |
lml_tag_quote_level = 0; |
lml_tag_quote_level = 0; |
| 219 |
|
|
| 220 |
|
if (width <= 0) |
| 221 |
|
{ |
| 222 |
|
width = INT_MAX; |
| 223 |
|
} |
| 224 |
|
|
| 225 |
for (i = 0; str_in[i] != '\0'; i++) |
for (i = 0; str_in[i] != '\0'; i++) |
| 226 |
{ |
{ |
| 227 |
if (!quote_mode && !lml_tag_disabled && new_line) |
if (!lml_tag_disabled && new_line) |
| 228 |
{ |
{ |
| 229 |
if (fb_quote_level > 0) |
while (str_in[i] == ':' && str_in[i + 1] == ' ') // FB2000 quote leading str |
|
{ |
|
|
lml_tag_quote_level -= fb_quote_level; |
|
|
|
|
|
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "%s", |
|
|
(lml_tag_quote_level > 0 ? lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP] : "\033[m")); |
|
|
if (j + tag_output_len >= buf_len) |
|
|
{ |
|
|
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
|
|
str_out[j] = '\0'; |
|
|
return j; |
|
|
} |
|
|
memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); |
|
|
j += tag_output_len; |
|
|
|
|
|
fb_quote_level = 0; |
|
|
} |
|
|
|
|
|
while (str_in[i + fb_quote_level * 2] == ':' && str_in[i + fb_quote_level * 2 + 1] == ' ') // FB2000 quote leading str |
|
| 230 |
{ |
{ |
| 231 |
fb_quote_level++; |
fb_quote_level++; |
| 232 |
|
lml_tag_quote_level++; |
| 233 |
|
i += 2; |
| 234 |
} |
} |
| 235 |
|
|
| 236 |
if (fb_quote_level > 0) |
if (!quote_mode && lml_tag_quote_level > 0) |
| 237 |
{ |
{ |
|
lml_tag_quote_level += fb_quote_level; |
|
|
|
|
| 238 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "%s", |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "%s", |
| 239 |
lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]); |
lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]); |
| 240 |
if (j + tag_output_len >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
| 241 |
{ |
} |
| 242 |
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
|
| 243 |
str_out[j] = '\0'; |
for (k = 0; k < fb_quote_level; k++) |
| 244 |
return j; |
{ |
| 245 |
} |
tag_output_buf[k * 2] = ':'; |
| 246 |
memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); |
tag_output_buf[k * 2 + 1] = ' '; |
|
j += tag_output_len; |
|
| 247 |
} |
} |
| 248 |
|
tag_output_buf[fb_quote_level * 2] = '\0'; |
| 249 |
|
tag_output_len = fb_quote_level * 2; |
| 250 |
|
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
| 251 |
|
|
| 252 |
new_line = 0; |
new_line = 0; |
| 253 |
} |
} |
| 254 |
|
|
| 255 |
if (str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence -- copy directly |
if (str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence |
| 256 |
{ |
{ |
| 257 |
for (k = i + 2; str_in[k] != '\0' && str_in[k] != 'm'; k++) |
for (k = i + 2; isdigit(str_in[k]) || str_in[k] == ';' || str_in[k] == '?'; k++) |
| 258 |
; |
; |
| 259 |
|
|
| 260 |
if (str_in[k] == 'm') // Valid |
if (str_in[k] == 'm') // valid -- copy directly |
| 261 |
{ |
{ |
| 262 |
if (j + (k - i + 1) >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, k - i + 1, line_width); |
| 263 |
{ |
} |
| 264 |
log_error("Buffer is not longer enough for output string %d >= %d\n", j + (k - i + 1), buf_len); |
else if (isalpha(str_in[k])) |
| 265 |
str_out[j] = '\0'; |
{ |
| 266 |
return j; |
// unsupported ANSI CSI command |
|
} |
|
|
memcpy(str_out + j, str_in + i, (size_t)(k - i + 1)); |
|
|
j += (k - i + 1); |
|
|
i = k; |
|
|
continue; |
|
| 267 |
} |
} |
| 268 |
else // reach end of string |
else |
| 269 |
{ |
{ |
| 270 |
break; |
k--; |
| 271 |
} |
} |
| 272 |
|
|
| 273 |
|
i = k; |
| 274 |
|
continue; |
| 275 |
} |
} |
| 276 |
|
|
| 277 |
if (str_in[i] == '\n') // jump out of tag at end of line |
if (str_in[i] == '\n') // jump out of tag at end of line |
| 280 |
{ |
{ |
| 281 |
tag_end_pos = i - 1; |
tag_end_pos = i - 1; |
| 282 |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 283 |
if (j + tag_output_len >= buf_len) |
|
| 284 |
|
if (line_width + tag_output_len > width) |
| 285 |
|
{ |
| 286 |
|
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); |
| 287 |
|
new_line = 1; |
| 288 |
|
line_width = 0; |
| 289 |
|
i--; // redo at current $i |
| 290 |
|
} |
| 291 |
|
else |
| 292 |
{ |
{ |
| 293 |
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + tag_output_len, buf_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
|
str_out[j] = '\0'; |
|
|
return j; |
|
| 294 |
} |
} |
| 295 |
|
} |
| 296 |
|
|
| 297 |
memcpy(str_out + j, str_in + tag_start_pos, (size_t)tag_output_len); |
if (fb_quote_level > 0) |
| 298 |
j += tag_output_len; |
{ |
| 299 |
|
lml_tag_quote_level -= fb_quote_level; |
| 300 |
|
|
| 301 |
|
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, (quote_mode ? "" : "\033[m")); |
| 302 |
|
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
| 303 |
|
|
| 304 |
|
fb_quote_level = 0; |
| 305 |
|
} |
| 306 |
|
|
| 307 |
|
if (new_line) |
| 308 |
|
{ |
| 309 |
|
continue; |
| 310 |
} |
} |
| 311 |
|
|
| 312 |
tag_start_pos = -1; |
tag_start_pos = -1; |
| 313 |
tag_name_pos = -1; |
tag_name_pos = -1; |
| 314 |
new_line = 1; |
new_line = 1; |
| 315 |
|
line_width = -1; |
| 316 |
} |
} |
| 317 |
else if (str_in[i] == '\r') |
else if (str_in[i] == '\r' || str_in[i] == '\7') |
| 318 |
{ |
{ |
| 319 |
continue; // ignore '\r' |
continue; // Skip special characters |
| 320 |
} |
} |
| 321 |
|
|
| 322 |
if (!lml_tag_disabled && str_in[i] == '[') |
if (!lml_tag_disabled && str_in[i] == '[') |
| 323 |
{ |
{ |
| 324 |
|
if (tag_start_pos != -1) // tag is not closed |
| 325 |
|
{ |
| 326 |
|
tag_end_pos = i - 1; |
| 327 |
|
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 328 |
|
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
| 329 |
|
} |
| 330 |
|
|
| 331 |
tag_start_pos = i; |
tag_start_pos = i; |
| 332 |
tag_name_pos = i + 1; |
tag_name_pos = i + 1; |
| 333 |
} |
} |
| 364 |
strncpy(tag_param_buf, lml_tag_def[k].default_param, LML_TAG_PARAM_BUF_LEN - 1); |
strncpy(tag_param_buf, lml_tag_def[k].default_param, LML_TAG_PARAM_BUF_LEN - 1); |
| 365 |
tag_param_buf[LML_TAG_PARAM_BUF_LEN - 1] = '\0'; |
tag_param_buf[LML_TAG_PARAM_BUF_LEN - 1] = '\0'; |
| 366 |
} |
} |
| 367 |
|
tag_output_len = 0; |
| 368 |
if (!quote_mode) |
if (!quote_mode) |
| 369 |
{ |
{ |
| 370 |
if (lml_tag_def[k].tag_output != NULL) |
if (lml_tag_def[k].tag_output != NULL) |
| 376 |
tag_output_len = lml_tag_def[k].tag_filter_cb( |
tag_output_len = lml_tag_def[k].tag_filter_cb( |
| 377 |
lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 0); |
lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 0); |
| 378 |
} |
} |
|
else |
|
|
{ |
|
|
tag_output_len = 0; |
|
|
} |
|
| 379 |
} |
} |
| 380 |
else // if (quote_mode) |
else // if (quote_mode) |
| 381 |
{ |
{ |
| 388 |
tag_output_len = lml_tag_def[k].tag_filter_cb( |
tag_output_len = lml_tag_def[k].tag_filter_cb( |
| 389 |
lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 1); |
lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 1); |
| 390 |
} |
} |
|
else |
|
|
{ |
|
|
tag_output_len = 0; |
|
|
} |
|
| 391 |
} |
} |
| 392 |
if (j + tag_output_len >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
|
{ |
|
|
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
|
|
str_out[j] = '\0'; |
|
|
return j; |
|
|
} |
|
|
memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); |
|
|
j += tag_output_len; |
|
| 393 |
break; |
break; |
| 394 |
default: // tag_name not match |
default: // tag_name not match |
| 395 |
continue; |
continue; |
| 401 |
if (!tag_name_found) |
if (!tag_name_found) |
| 402 |
{ |
{ |
| 403 |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 404 |
if (j + tag_output_len >= buf_len) |
|
| 405 |
|
if (line_width + tag_output_len > width) |
| 406 |
{ |
{ |
| 407 |
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + tag_output_len, buf_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); |
| 408 |
str_out[j] = '\0'; |
new_line = 1; |
| 409 |
return j; |
line_width = 0; |
| 410 |
|
i--; // redo at current $i |
| 411 |
|
continue; |
| 412 |
} |
} |
| 413 |
|
|
| 414 |
memcpy(str_out + j, str_in + tag_start_pos, (size_t)tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
|
j += tag_output_len; |
|
| 415 |
} |
} |
| 416 |
|
|
| 417 |
tag_start_pos = -1; |
tag_start_pos = -1; |
| 419 |
} |
} |
| 420 |
else if (lml_tag_disabled || tag_name_pos == -1) // not in LML tag |
else if (lml_tag_disabled || tag_name_pos == -1) // not in LML tag |
| 421 |
{ |
{ |
| 422 |
if (str_in[i] & 0x80) // head of multi-byte character |
if (line_width + (str_in[i] & 0x80 ? 2 : 1) > width) |
| 423 |
{ |
{ |
| 424 |
if (j + 4 >= buf_len) // Assuming UTF-8 CJK characters use 4 bytes, though most of them actually use 3 bytes |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); |
| 425 |
{ |
new_line = 1; |
| 426 |
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 4, buf_len); |
line_width = 0; |
| 427 |
str_out[j] = '\0'; |
i--; // redo at current $i |
| 428 |
return j; |
continue; |
| 429 |
} |
} |
| 430 |
|
|
| 431 |
|
tag_output_len = 1; |
| 432 |
|
if (str_in[i] & 0x80) // head of multi-byte character |
| 433 |
|
{ |
| 434 |
c = (str_in[i] & 0x70) << 1; |
c = (str_in[i] & 0x70) << 1; |
| 435 |
while (c & 0x80) |
while (c & 0x80) |
| 436 |
{ |
{ |
| 437 |
str_out[j++] = str_in[i++]; |
if (str_in[i + tag_output_len] == '\0') |
|
if (str_in[i] == '\0') |
|
| 438 |
{ |
{ |
| 439 |
str_out[j] = '\0'; |
break; |
|
return j; |
|
| 440 |
} |
} |
| 441 |
|
tag_output_len++; |
| 442 |
c = (c & 0x7f) << 1; |
c = (c & 0x7f) << 1; |
| 443 |
} |
} |
| 444 |
} |
} |
| 445 |
|
|
| 446 |
if (j + 1 >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, tag_output_len, line_width); |
| 447 |
{ |
i += (tag_output_len - 1); |
|
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 1, buf_len); |
|
|
str_out[j] = '\0'; |
|
|
return j; |
|
|
} |
|
|
str_out[j++] = str_in[i]; |
|
| 448 |
} |
} |
| 449 |
else // in LML tag |
else // in LML tag |
| 450 |
{ |
{ |
| 456 |
{ |
{ |
| 457 |
tag_end_pos = i - 1; |
tag_end_pos = i - 1; |
| 458 |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 459 |
if (j + tag_output_len >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
|
{ |
|
|
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + tag_output_len, buf_len); |
|
|
str_out[j] = '\0'; |
|
|
return j; |
|
|
} |
|
|
|
|
|
memcpy(str_out + j, str_in + tag_start_pos, (size_t)tag_output_len); |
|
|
j += tag_output_len; |
|
| 460 |
} |
} |
| 461 |
|
|
| 462 |
if (!quote_mode && !lml_tag_disabled && lml_tag_quote_level > 0) |
if (!quote_mode && !lml_tag_disabled && lml_tag_quote_level > 0) |
| 463 |
{ |
{ |
| 464 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "\033[m"); |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "\033[m"); |
| 465 |
if (j + tag_output_len >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
|
{ |
|
|
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
|
|
str_out[j] = '\0'; |
|
|
return j; |
|
|
} |
|
|
memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); |
|
|
j += tag_output_len; |
|
| 466 |
} |
} |
| 467 |
|
|
| 468 |
str_out[j] = '\0'; |
str_out[j] = '\0'; |