| 17 |
#include "common.h" |
#include "common.h" |
| 18 |
#include "lml.h" |
#include "lml.h" |
| 19 |
#include "log.h" |
#include "log.h" |
| 20 |
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#include "str_process.h" |
| 21 |
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#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 |
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| 183 |
#define CHECK_AND_APPEND_OUTPUT(out_buf, out_buf_len, out_buf_offset, tag_out, tag_out_len) \ |
#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)) \ |
if ((out_buf_offset) + (tag_out_len) >= (out_buf_len)) \ |
| 186 |
{ \ |
{ \ |
| 189 |
return (out_buf_offset); \ |
return (out_buf_offset); \ |
| 190 |
} \ |
} \ |
| 191 |
memcpy((out_buf) + (out_buf_offset), (tag_out), (size_t)(tag_out_len)); \ |
memcpy((out_buf) + (out_buf_offset), (tag_out), (size_t)(tag_out_len)); \ |
| 192 |
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*((out_buf) + (out_buf_offset) + (size_t)(tag_out_len)) = '\0'; \ |
| 193 |
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(line_width) += str_length((out_buf) + (out_buf_offset), 1); \ |
| 194 |
(out_buf_offset) += (tag_out_len); \ |
(out_buf_offset) += (tag_out_len); \ |
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} |
} |
| 196 |
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|
| 197 |
int lml_render(const char *str_in, char *str_out, int buf_len, int quote_mode) |
int lml_render(const char *str_in, char *str_out, int buf_len, int width, int quote_mode) |
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{ |
{ |
| 199 |
char c; |
char c; |
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char tag_param_buf[LML_TAG_PARAM_BUF_LEN]; |
char tag_param_buf[LML_TAG_PARAM_BUF_LEN]; |
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int new_line = 1; |
int new_line = 1; |
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int fb_quote_level = 0; |
int fb_quote_level = 0; |
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int tag_name_found; |
int tag_name_found; |
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int line_width = 0; |
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|
| 215 |
lml_init(); |
lml_init(); |
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|
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lml_tag_disabled = 0; |
lml_tag_disabled = 0; |
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lml_tag_quote_level = 0; |
lml_tag_quote_level = 0; |
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|
| 220 |
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if (width <= 0) |
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{ |
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width = INT_MAX; |
| 223 |
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} |
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|
| 225 |
for (i = 0; str_in[i] != '\0'; i++) |
for (i = 0; str_in[i] != '\0'; i++) |
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{ |
{ |
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if (!quote_mode && !lml_tag_disabled && new_line) |
if (!lml_tag_disabled && new_line) |
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{ |
{ |
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fb_quote_level = 0; |
while (str_in[i] == ':' && str_in[i + 1] == ' ') // FB2000 quote leading str |
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while (str_in[i + fb_quote_level * 2] == ':' && str_in[i + fb_quote_level * 2 + 1] == ' ') // FB2000 quote leading str |
|
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{ |
{ |
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fb_quote_level++; |
fb_quote_level++; |
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lml_tag_quote_level++; |
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i += 2; |
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} |
} |
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lml_tag_quote_level += fb_quote_level; |
if (!quote_mode && lml_tag_quote_level > 0) |
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if (lml_tag_quote_level > 0) |
|
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{ |
{ |
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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", |
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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]); |
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CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
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} |
} |
| 242 |
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|
| 243 |
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for (k = 0; k < fb_quote_level; k++) |
| 244 |
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{ |
| 245 |
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tag_output_buf[k * 2] = ':'; |
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tag_output_buf[k * 2 + 1] = ' '; |
| 247 |
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} |
| 248 |
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tag_output_buf[fb_quote_level * 2] = '\0'; |
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tag_output_len = fb_quote_level * 2; |
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CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
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| 252 |
new_line = 0; |
new_line = 0; |
| 253 |
} |
} |
| 254 |
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if (str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence -- copy directly |
if (str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence |
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{ |
{ |
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for (k = i + 2; str_in[k] != '\0' && str_in[k] != 'm' && str_in[k] != '\033'; k++) |
for (k = i + 2; isdigit(str_in[k]) || str_in[k] == ';' || str_in[k] == '?'; k++) |
| 258 |
; |
; |
| 259 |
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|
| 260 |
if (str_in[k] != 'm') // invalid |
if (str_in[k] == 'm') // valid -- copy directly |
| 261 |
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{ |
| 262 |
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CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, k - i + 1, line_width); |
| 263 |
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} |
| 264 |
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else if (isalpha(str_in[k])) |
| 265 |
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{ |
| 266 |
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// unsupported ANSI CSI command |
| 267 |
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} |
| 268 |
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else |
| 269 |
{ |
{ |
| 270 |
k--; |
k--; |
| 271 |
} |
} |
| 272 |
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CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, k - i + 1); |
|
| 273 |
i = k; |
i = k; |
| 274 |
continue; |
continue; |
| 275 |
} |
} |
| 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 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
| 284 |
} |
} |
| 285 |
|
|
| 286 |
if (fb_quote_level > 0) |
if (fb_quote_level > 0) |
| 287 |
{ |
{ |
| 288 |
lml_tag_quote_level -= fb_quote_level; |
lml_tag_quote_level -= fb_quote_level; |
| 289 |
|
|
| 290 |
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, (quote_mode ? "" : "\033[m")); |
| 291 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
| 292 |
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|
| 293 |
|
fb_quote_level = 0; |
| 294 |
} |
} |
| 295 |
|
|
| 296 |
tag_start_pos = -1; |
tag_start_pos = -1; |
| 297 |
tag_name_pos = -1; |
tag_name_pos = -1; |
| 298 |
new_line = 1; |
new_line = 1; |
| 299 |
|
line_width = 0; |
| 300 |
} |
} |
| 301 |
else if (str_in[i] == '\r') |
else if (str_in[i] == '\r' || str_in[i] == '\7') |
| 302 |
{ |
{ |
| 303 |
continue; // ignore '\r' |
continue; // Skip special characters |
| 304 |
} |
} |
| 305 |
|
|
| 306 |
if (!lml_tag_disabled && str_in[i] == '[') |
if (!lml_tag_disabled && str_in[i] == '[') |
| 309 |
{ |
{ |
| 310 |
tag_end_pos = i - 1; |
tag_end_pos = i - 1; |
| 311 |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 312 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
| 313 |
} |
} |
| 314 |
|
|
| 315 |
tag_start_pos = i; |
tag_start_pos = i; |
| 373 |
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); |
| 374 |
} |
} |
| 375 |
} |
} |
| 376 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
| 377 |
break; |
break; |
| 378 |
default: // tag_name not match |
default: // tag_name not match |
| 379 |
continue; |
continue; |
| 385 |
if (!tag_name_found) |
if (!tag_name_found) |
| 386 |
{ |
{ |
| 387 |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 388 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
| 389 |
} |
} |
| 390 |
|
|
| 391 |
tag_start_pos = -1; |
tag_start_pos = -1; |
| 393 |
} |
} |
| 394 |
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 |
| 395 |
{ |
{ |
| 396 |
if (str_in[i] & 0x80) // head of multi-byte character |
if (line_width + (str_in[i] & 0x80 ? 2 : 1) > width) |
| 397 |
{ |
{ |
| 398 |
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); |
| 399 |
{ |
new_line = 1; |
| 400 |
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 4, buf_len); |
line_width = 0; |
| 401 |
str_out[j] = '\0'; |
i--; // redo at current $i |
| 402 |
return j; |
continue; |
| 403 |
} |
} |
| 404 |
|
|
| 405 |
|
tag_output_len = 1; |
| 406 |
|
if (str_in[i] & 0x80) // head of multi-byte character |
| 407 |
|
{ |
| 408 |
c = (str_in[i] & 0x70) << 1; |
c = (str_in[i] & 0x70) << 1; |
| 409 |
while (c & 0x80) |
while (c & 0x80) |
| 410 |
{ |
{ |
| 411 |
str_out[j++] = str_in[i++]; |
if (str_in[i + tag_output_len] == '\0') |
|
if (str_in[i] == '\0') |
|
| 412 |
{ |
{ |
| 413 |
str_out[j] = '\0'; |
break; |
|
return j; |
|
| 414 |
} |
} |
| 415 |
|
tag_output_len++; |
| 416 |
c = (c & 0x7f) << 1; |
c = (c & 0x7f) << 1; |
| 417 |
} |
} |
| 418 |
} |
} |
| 419 |
|
|
| 420 |
if (j + 1 >= buf_len) |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, tag_output_len, line_width); |
| 421 |
{ |
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]; |
|
| 422 |
} |
} |
| 423 |
else // in LML tag |
else // in LML tag |
| 424 |
{ |
{ |
| 430 |
{ |
{ |
| 431 |
tag_end_pos = i - 1; |
tag_end_pos = i - 1; |
| 432 |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
tag_output_len = tag_end_pos - tag_start_pos + 1; |
| 433 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); |
| 434 |
} |
} |
| 435 |
|
|
| 436 |
if (!quote_mode && !lml_tag_disabled && lml_tag_quote_level > 0) |
if (!quote_mode && !lml_tag_disabled && lml_tag_quote_level > 0) |
| 437 |
{ |
{ |
| 438 |
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"); |
| 439 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len); |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); |
| 440 |
} |
} |
| 441 |
|
|
| 442 |
str_out[j] = '\0'; |
str_out[j] = '\0'; |