| 1 |
/* SPDX-License-Identifier: GPL-3.0-or-later */
|
| 2 |
/*
|
| 3 |
* lml
|
| 4 |
* - LML render
|
| 5 |
*
|
| 6 |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
|
| 7 |
*/
|
| 8 |
|
| 9 |
#ifdef HAVE_CONFIG_H
|
| 10 |
#include "config.h"
|
| 11 |
#endif
|
| 12 |
|
| 13 |
#include "common.h"
|
| 14 |
#include "lml.h"
|
| 15 |
#include "log.h"
|
| 16 |
#include "str_process.h"
|
| 17 |
#include "trie_dict.h"
|
| 18 |
#include <ctype.h>
|
| 19 |
#include <stdio.h>
|
| 20 |
#include <string.h>
|
| 21 |
#include <sys/param.h>
|
| 22 |
|
| 23 |
enum _lml_constant_t
|
| 24 |
{
|
| 25 |
LML_TAG_NAME_BUF_LEN = 21,
|
| 26 |
LML_TAG_PARAM_BUF_LEN = 256,
|
| 27 |
LML_TAG_OUTPUT_BUF_LEN = 1024,
|
| 28 |
LML_TAG_QUOTE_MAX_LEVEL = 10,
|
| 29 |
};
|
| 30 |
|
| 31 |
clock_t lml_total_exec_duration = 0;
|
| 32 |
|
| 33 |
typedef int (*lml_tag_filter_cb)(const char *tag_name, const char *tag_param_buf, char *tag_output_buf, size_t tag_output_buf_len, int quote_mode);
|
| 34 |
|
| 35 |
static int lml_tag_color_filter(const char *tag_name, const char *tag_param_buf, char *tag_output_buf, size_t tag_output_buf_len, int quote_mode)
|
| 36 |
{
|
| 37 |
if (strcasecmp(tag_name, "color") == 0)
|
| 38 |
{
|
| 39 |
if (strcasecmp(tag_param_buf, "red") == 0)
|
| 40 |
{
|
| 41 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;31m");
|
| 42 |
}
|
| 43 |
else if (strcasecmp(tag_param_buf, "green") == 0)
|
| 44 |
{
|
| 45 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;32m");
|
| 46 |
}
|
| 47 |
else if (strcasecmp(tag_param_buf, "yellow") == 0)
|
| 48 |
{
|
| 49 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;33m");
|
| 50 |
}
|
| 51 |
else if (strcasecmp(tag_param_buf, "blue") == 0)
|
| 52 |
{
|
| 53 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;34m");
|
| 54 |
}
|
| 55 |
else if (strcasecmp(tag_param_buf, "magenta") == 0)
|
| 56 |
{
|
| 57 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;35m");
|
| 58 |
}
|
| 59 |
else if (strcasecmp(tag_param_buf, "cyan") == 0)
|
| 60 |
{
|
| 61 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;36m");
|
| 62 |
}
|
| 63 |
else if (strcasecmp(tag_param_buf, "black") == 0)
|
| 64 |
{
|
| 65 |
return snprintf(tag_output_buf, tag_output_buf_len, "\033[1;30;47m");
|
| 66 |
}
|
| 67 |
}
|
| 68 |
return 0;
|
| 69 |
}
|
| 70 |
|
| 71 |
static const char *lml_tag_quote_color[] = {
|
| 72 |
"\033[33m", // yellow
|
| 73 |
"\033[32m", // green
|
| 74 |
"\033[35m", // magenta
|
| 75 |
};
|
| 76 |
|
| 77 |
static const int LML_TAG_QUOTE_LEVEL_LOOP = (int)(sizeof(lml_tag_quote_color) / sizeof(const char *));
|
| 78 |
|
| 79 |
static int lml_tag_quote_level = 0;
|
| 80 |
|
| 81 |
static int lml_tag_quote_filter(const char *tag_name, const char *tag_param_buf, char *tag_output_buf, size_t tag_output_buf_len, int quote_mode)
|
| 82 |
{
|
| 83 |
if (strcasecmp(tag_name, "quote") == 0)
|
| 84 |
{
|
| 85 |
if (lml_tag_quote_level <= LML_TAG_QUOTE_MAX_LEVEL)
|
| 86 |
{
|
| 87 |
lml_tag_quote_level++;
|
| 88 |
}
|
| 89 |
return snprintf(tag_output_buf, tag_output_buf_len, "%s",
|
| 90 |
lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]);
|
| 91 |
}
|
| 92 |
else if (strcasecmp(tag_name, "/quote") == 0)
|
| 93 |
{
|
| 94 |
if (lml_tag_quote_level > 0)
|
| 95 |
{
|
| 96 |
lml_tag_quote_level--;
|
| 97 |
}
|
| 98 |
return snprintf(tag_output_buf, tag_output_buf_len, "%s",
|
| 99 |
(lml_tag_quote_level > 0 ? lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP] : "\033[m"));
|
| 100 |
}
|
| 101 |
|
| 102 |
return 0;
|
| 103 |
}
|
| 104 |
|
| 105 |
static int lml_tag_disabled = 0;
|
| 106 |
|
| 107 |
static int lml_tag_disable_filter(const char *tag_name, const char *tag_param_buf, char *tag_output_buf, size_t tag_output_buf_len, int quote_mode)
|
| 108 |
{
|
| 109 |
lml_tag_disabled = 1;
|
| 110 |
|
| 111 |
return snprintf(tag_output_buf, tag_output_buf_len, "%s", (quote_mode ? "[plain]" : ""));
|
| 112 |
}
|
| 113 |
|
| 114 |
typedef struct lml_tag_def_t
|
| 115 |
{
|
| 116 |
const char *tag_name; // tag name
|
| 117 |
const char *tag_output; // output string
|
| 118 |
const char *default_param; // default param string
|
| 119 |
const char *quote_mode_output; // output string in quote mode
|
| 120 |
lml_tag_filter_cb tag_filter_cb; // tag filter callback
|
| 121 |
} LML_TAG_DEF;
|
| 122 |
|
| 123 |
const LML_TAG_DEF lml_tag_def[] = {
|
| 124 |
// Definition of tuple: {lml_tag, lml_output, default_param, quote_mode_output, lml_filter_cb}
|
| 125 |
{"plain", NULL, NULL, NULL, lml_tag_disable_filter},
|
| 126 |
{"nolml", "", NULL, "", NULL}, // deprecated
|
| 127 |
{"lml", "", NULL, "", NULL}, // deprecated
|
| 128 |
{"align", "", "", "", NULL}, // N/A
|
| 129 |
{"/align", "", "", "", NULL}, // N/A
|
| 130 |
{"size", "", "", "", NULL}, // N/A
|
| 131 |
{"/size", "", "", "", NULL}, // N/A
|
| 132 |
{"left", "[", "", "[left]", NULL},
|
| 133 |
{"right", "]", "", "[right]", NULL},
|
| 134 |
{"bold", "\033[1m", "", "", NULL}, // does not work in Fterm
|
| 135 |
{"/bold", "\033[22m", NULL, "", NULL},
|
| 136 |
{"b", "\033[1m", "", "", NULL},
|
| 137 |
{"/b", "\033[22m", NULL, "", NULL},
|
| 138 |
{"italic", "\033[5m", "", "", NULL}, // use blink instead
|
| 139 |
{"/italic", "\033[m", NULL, "", NULL}, // \033[25m does not work in Fterm
|
| 140 |
{"i", "\033[5m", "", "", NULL},
|
| 141 |
{"/i", "\033[m", NULL, "", NULL},
|
| 142 |
{"underline", "\033[4m", "", "", NULL},
|
| 143 |
{"/underline", "\033[m", NULL, "", NULL}, // \033[24m does not work in Fterm
|
| 144 |
{"u", "\033[4m", "", "", NULL},
|
| 145 |
{"/u", "\033[m", NULL, "", NULL},
|
| 146 |
{"color", NULL, NULL, "", lml_tag_color_filter},
|
| 147 |
{"/color", "\033[m", NULL, "", NULL},
|
| 148 |
{"quote", NULL, NULL, "", lml_tag_quote_filter},
|
| 149 |
{"/quote", NULL, NULL, "", lml_tag_quote_filter},
|
| 150 |
{"url", "", "", "", NULL},
|
| 151 |
{"/url", "（链接: %s）", NULL, "", NULL},
|
| 152 |
{"link", "", "", "", NULL},
|
| 153 |
{"/link", "（链接: %s）", NULL, "", NULL},
|
| 154 |
{"email", "", "", "", NULL},
|
| 155 |
{"/email", "（Email: %s）", NULL, "", NULL},
|
| 156 |
{"user", "", "", "", NULL},
|
| 157 |
{"/user", "（用户: %s）", NULL, "", NULL},
|
| 158 |
{"article", "", "", "", NULL},
|
| 159 |
{"/article", "（文章: %s）", NULL, "", NULL},
|
| 160 |
{"image", "（图片: %s）", "", "%s", NULL},
|
| 161 |
{"flash", "（Flash: %s）", "", "", NULL},
|
| 162 |
{"bwf", "\033[1;31m****\033[m", "", "****", NULL},
|
| 163 |
};
|
| 164 |
|
| 165 |
static const int lml_tag_count = sizeof(lml_tag_def) / sizeof(LML_TAG_DEF);
|
| 166 |
static int lml_tag_name_len[sizeof(lml_tag_def) / sizeof(LML_TAG_DEF)];
|
| 167 |
static TRIE_NODE *p_lml_tag_dict;
|
| 168 |
static int lml_ready = 0;
|
| 169 |
|
| 170 |
int lml_init(void)
|
| 171 |
{
|
| 172 |
char tag_name_buf[LML_TAG_NAME_BUF_LEN];
|
| 173 |
int i;
|
| 174 |
int j;
|
| 175 |
|
| 176 |
if (lml_ready)
|
| 177 |
{
|
| 178 |
lml_cleanup();
|
| 179 |
}
|
| 180 |
|
| 181 |
p_lml_tag_dict = trie_dict_create();
|
| 182 |
if (p_lml_tag_dict == NULL)
|
| 183 |
{
|
| 184 |
log_error("trie_dict_create(lml_tag_dict) error");
|
| 185 |
return -1;
|
| 186 |
}
|
| 187 |
|
| 188 |
for (i = 0; i < lml_tag_count; i++)
|
| 189 |
{
|
| 190 |
for (j = 0; j < sizeof(tag_name_buf) - 1 && lml_tag_def[i].tag_name[j] != '\0'; j++)
|
| 191 |
{
|
| 192 |
tag_name_buf[j] = (char)tolower(lml_tag_def[i].tag_name[j]);
|
| 193 |
}
|
| 194 |
tag_name_buf[j] = '\0';
|
| 195 |
lml_tag_name_len[i] = j;
|
| 196 |
|
| 197 |
if (trie_dict_set(p_lml_tag_dict, tag_name_buf, (int64_t)i) != 1)
|
| 198 |
{
|
| 199 |
log_error("trie_dict_set(lml_tag_dict, %s, %d) error", tag_name_buf, i);
|
| 200 |
lml_cleanup();
|
| 201 |
return -1;
|
| 202 |
}
|
| 203 |
}
|
| 204 |
|
| 205 |
lml_ready = 1;
|
| 206 |
|
| 207 |
return 0;
|
| 208 |
}
|
| 209 |
|
| 210 |
void lml_cleanup(void)
|
| 211 |
{
|
| 212 |
if (p_lml_tag_dict != NULL)
|
| 213 |
{
|
| 214 |
trie_dict_destroy(p_lml_tag_dict);
|
| 215 |
p_lml_tag_dict = NULL;
|
| 216 |
}
|
| 217 |
|
| 218 |
lml_ready = 0;
|
| 219 |
}
|
| 220 |
|
| 221 |
#define CHECK_AND_APPEND_OUTPUT(out_buf, out_buf_len, out_buf_offset, tag_out, tag_out_len, line_width) \
|
| 222 |
if ((tag_out_len) > 0) \
|
| 223 |
{ \
|
| 224 |
if ((out_buf_offset) + (tag_out_len) >= (out_buf_len)) \
|
| 225 |
{ \
|
| 226 |
log_error("Buffer is not longer enough for output string %d >= %d", (out_buf_offset) + (tag_out_len), (out_buf_len)); \
|
| 227 |
out_buf[out_buf_offset] = '\0'; \
|
| 228 |
return (out_buf_offset); \
|
| 229 |
} \
|
| 230 |
memcpy((out_buf) + (out_buf_offset), (tag_out), (size_t)(tag_out_len)); \
|
| 231 |
*((out_buf) + (out_buf_offset) + (size_t)(tag_out_len)) = '\0'; \
|
| 232 |
(line_width) += str_length((out_buf) + (out_buf_offset), 1); \
|
| 233 |
(out_buf_offset) += (tag_out_len); \
|
| 234 |
}
|
| 235 |
|
| 236 |
int lml_render(const char *str_in, char *str_out, int buf_len, int width, int quote_mode)
|
| 237 |
{
|
| 238 |
clock_t clock_begin;
|
| 239 |
clock_t clock_end;
|
| 240 |
|
| 241 |
char c;
|
| 242 |
char tag_name_buf[LML_TAG_NAME_BUF_LEN];
|
| 243 |
char tag_param_buf[LML_TAG_PARAM_BUF_LEN];
|
| 244 |
char tag_output_buf[LML_TAG_OUTPUT_BUF_LEN];
|
| 245 |
int i;
|
| 246 |
int j = 0;
|
| 247 |
int k;
|
| 248 |
int last_i = -1;
|
| 249 |
int64_t tag_index;
|
| 250 |
int tag_start_pos = -1;
|
| 251 |
int tag_name_pos = -1;
|
| 252 |
int tag_end_pos = -1;
|
| 253 |
int tag_param_pos = -1;
|
| 254 |
int tag_output_len;
|
| 255 |
int new_line = 1;
|
| 256 |
int fb_quote_level = 0;
|
| 257 |
int line_width = 0;
|
| 258 |
char tab_spaces[TAB_SIZE + 1];
|
| 259 |
int tab_width = 0;
|
| 260 |
|
| 261 |
clock_begin = clock();
|
| 262 |
|
| 263 |
#ifdef _DEBUG
|
| 264 |
size_t str_in_len = strlen(str_in);
|
| 265 |
#endif
|
| 266 |
|
| 267 |
if (!lml_ready)
|
| 268 |
{
|
| 269 |
log_error("LML module is not initialized");
|
| 270 |
return -1;
|
| 271 |
}
|
| 272 |
|
| 273 |
lml_tag_disabled = 0;
|
| 274 |
lml_tag_quote_level = 0;
|
| 275 |
|
| 276 |
if (width <= 0)
|
| 277 |
{
|
| 278 |
width = INT_MAX;
|
| 279 |
}
|
| 280 |
|
| 281 |
for (i = 0; str_in[i] != '\0'; i++)
|
| 282 |
{
|
| 283 |
#ifdef _DEBUG
|
| 284 |
if (i >= str_in_len)
|
| 285 |
{
|
| 286 |
log_error("Bug: i(%d) >= str_in_len(%d)", i, str_in_len);
|
| 287 |
break;
|
| 288 |
}
|
| 289 |
#endif
|
| 290 |
|
| 291 |
if (!lml_tag_disabled && new_line)
|
| 292 |
{
|
| 293 |
while (str_in[i] == ':' && str_in[i + 1] == ' ') // FB2000 quote leading str
|
| 294 |
{
|
| 295 |
fb_quote_level++;
|
| 296 |
lml_tag_quote_level++;
|
| 297 |
i += 2;
|
| 298 |
}
|
| 299 |
|
| 300 |
if (!quote_mode && lml_tag_quote_level > 0)
|
| 301 |
{
|
| 302 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "%s",
|
| 303 |
lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]);
|
| 304 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width);
|
| 305 |
}
|
| 306 |
|
| 307 |
for (k = 0; k < fb_quote_level; k++)
|
| 308 |
{
|
| 309 |
tag_output_buf[k * 2] = ':';
|
| 310 |
tag_output_buf[k * 2 + 1] = ' ';
|
| 311 |
}
|
| 312 |
tag_output_buf[fb_quote_level * 2] = '\0';
|
| 313 |
tag_output_len = fb_quote_level * 2;
|
| 314 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width);
|
| 315 |
|
| 316 |
new_line = 0;
|
| 317 |
i--; // redo at current i
|
| 318 |
continue;
|
| 319 |
}
|
| 320 |
|
| 321 |
if (lml_tag_disabled && new_line)
|
| 322 |
{
|
| 323 |
new_line = 0;
|
| 324 |
}
|
| 325 |
|
| 326 |
if (!quote_mode && !lml_tag_disabled && str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence
|
| 327 |
{
|
| 328 |
for (k = i + 2; isdigit((int)str_in[k]) || str_in[k] == ';' || str_in[k] == '?'; k++)
|
| 329 |
;
|
| 330 |
|
| 331 |
if (str_in[k] == 'm') // valid -- copy directly
|
| 332 |
{
|
| 333 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, k - i + 1, line_width);
|
| 334 |
}
|
| 335 |
else if (isalpha((int)str_in[k]))
|
| 336 |
{
|
| 337 |
// unsupported ANSI CSI command
|
| 338 |
}
|
| 339 |
else
|
| 340 |
{
|
| 341 |
k--;
|
| 342 |
}
|
| 343 |
|
| 344 |
i = k;
|
| 345 |
continue;
|
| 346 |
}
|
| 347 |
|
| 348 |
if (str_in[i] == '\n') // jump out of tag at end of line
|
| 349 |
{
|
| 350 |
if (!lml_tag_disabled && tag_start_pos != -1) // tag is not closed
|
| 351 |
{
|
| 352 |
if (line_width + 1 > width)
|
| 353 |
{
|
| 354 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width);
|
| 355 |
new_line = 1;
|
| 356 |
line_width = 0;
|
| 357 |
i--; // redo at current i
|
| 358 |
continue;
|
| 359 |
}
|
| 360 |
|
| 361 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "[", 1, line_width);
|
| 362 |
i = tag_start_pos; // restart from tag_start_pos + 1
|
| 363 |
tag_start_pos = -1;
|
| 364 |
tag_name_pos = -1;
|
| 365 |
continue;
|
| 366 |
}
|
| 367 |
|
| 368 |
if (!lml_tag_disabled && fb_quote_level > 0)
|
| 369 |
{
|
| 370 |
lml_tag_quote_level -= fb_quote_level;
|
| 371 |
|
| 372 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, (quote_mode ? "" : "\033[m"));
|
| 373 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width);
|
| 374 |
|
| 375 |
fb_quote_level = 0;
|
| 376 |
}
|
| 377 |
|
| 378 |
if (new_line)
|
| 379 |
{
|
| 380 |
continue;
|
| 381 |
}
|
| 382 |
|
| 383 |
tag_start_pos = -1;
|
| 384 |
tag_name_pos = -1;
|
| 385 |
new_line = 1;
|
| 386 |
line_width = -1;
|
| 387 |
}
|
| 388 |
else if (str_in[i] == '\r' || str_in[i] == '\7')
|
| 389 |
{
|
| 390 |
continue; // Skip special characters
|
| 391 |
}
|
| 392 |
else if (str_in[i] == '\t')
|
| 393 |
{
|
| 394 |
tab_width = TAB_SIZE - (line_width % TAB_SIZE);
|
| 395 |
if (line_width + tab_width > width)
|
| 396 |
{
|
| 397 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width);
|
| 398 |
new_line = 1;
|
| 399 |
line_width = 0;
|
| 400 |
// skip current Tab
|
| 401 |
continue;
|
| 402 |
}
|
| 403 |
|
| 404 |
for (k = 0; k < tab_width; k++)
|
| 405 |
{
|
| 406 |
tab_spaces[k] = ' ';
|
| 407 |
}
|
| 408 |
tab_spaces[tab_width] = '\0';
|
| 409 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tab_spaces, tab_width, line_width);
|
| 410 |
continue;
|
| 411 |
}
|
| 412 |
|
| 413 |
if (!lml_tag_disabled && str_in[i] == '[')
|
| 414 |
{
|
| 415 |
if (tag_start_pos != -1) // tag is not closed
|
| 416 |
{
|
| 417 |
if (line_width + 1 > width)
|
| 418 |
{
|
| 419 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width);
|
| 420 |
new_line = 1;
|
| 421 |
line_width = 0;
|
| 422 |
i--; // redo at current i
|
| 423 |
continue;
|
| 424 |
}
|
| 425 |
|
| 426 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "[", 1, line_width);
|
| 427 |
i = tag_start_pos; // restart from tag_start_pos + 1
|
| 428 |
tag_start_pos = -1;
|
| 429 |
tag_name_pos = -1;
|
| 430 |
continue;
|
| 431 |
}
|
| 432 |
|
| 433 |
tag_start_pos = i;
|
| 434 |
tag_name_pos = i + 1;
|
| 435 |
}
|
| 436 |
else if (!lml_tag_disabled && str_in[i] == ']' && tag_name_pos >= 0)
|
| 437 |
{
|
| 438 |
tag_end_pos = i;
|
| 439 |
|
| 440 |
// Skip space characters
|
| 441 |
while (str_in[tag_name_pos] == ' ')
|
| 442 |
{
|
| 443 |
tag_name_pos++;
|
| 444 |
}
|
| 445 |
|
| 446 |
for (k = 0; k < sizeof(tag_name_buf) - 1 && tag_name_pos + k < tag_end_pos; k++)
|
| 447 |
{
|
| 448 |
if (str_in[tag_name_pos + k] == ' ' || str_in[tag_name_pos + k] == ']')
|
| 449 |
{
|
| 450 |
break;
|
| 451 |
}
|
| 452 |
tag_name_buf[k] = (char)tolower(str_in[tag_name_pos + k]);
|
| 453 |
}
|
| 454 |
tag_name_buf[k] = '\0';
|
| 455 |
|
| 456 |
k = -1;
|
| 457 |
if (tag_name_buf[0] != '\0')
|
| 458 |
{
|
| 459 |
tag_index = -1;
|
| 460 |
if (trie_dict_get(p_lml_tag_dict, tag_name_buf, (int64_t *)&tag_index) < 0)
|
| 461 |
{
|
| 462 |
log_error("trie_dict_get(lml_tag_dict, %s) error", tag_name_buf);
|
| 463 |
}
|
| 464 |
else
|
| 465 |
{
|
| 466 |
k = (int)tag_index;
|
| 467 |
}
|
| 468 |
}
|
| 469 |
|
| 470 |
if (k != -1)
|
| 471 |
{
|
| 472 |
tag_param_pos = -1;
|
| 473 |
switch (str_in[tag_name_pos + lml_tag_name_len[k]])
|
| 474 |
{
|
| 475 |
case ' ':
|
| 476 |
tag_param_pos = tag_name_pos + lml_tag_name_len[k] + 1;
|
| 477 |
while (str_in[tag_param_pos] == ' ')
|
| 478 |
{
|
| 479 |
tag_param_pos++;
|
| 480 |
}
|
| 481 |
strncpy(tag_param_buf, str_in + tag_param_pos, (size_t)MIN(tag_end_pos - tag_param_pos, LML_TAG_PARAM_BUF_LEN));
|
| 482 |
tag_param_buf[MIN(tag_end_pos - tag_param_pos, LML_TAG_PARAM_BUF_LEN)] = '\0';
|
| 483 |
case ']':
|
| 484 |
if (tag_param_pos == -1 && lml_tag_def[k].tag_output != NULL && lml_tag_def[k].default_param != NULL) // Apply default param if not defined
|
| 485 |
{
|
| 486 |
strncpy(tag_param_buf, lml_tag_def[k].default_param, LML_TAG_PARAM_BUF_LEN - 1);
|
| 487 |
tag_param_buf[LML_TAG_PARAM_BUF_LEN - 1] = '\0';
|
| 488 |
}
|
| 489 |
tag_output_len = 0;
|
| 490 |
if (!quote_mode)
|
| 491 |
{
|
| 492 |
if (lml_tag_def[k].tag_output != NULL)
|
| 493 |
{
|
| 494 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, lml_tag_def[k].tag_output, tag_param_buf);
|
| 495 |
}
|
| 496 |
else if (lml_tag_def[k].tag_filter_cb != NULL)
|
| 497 |
{
|
| 498 |
tag_output_len = lml_tag_def[k].tag_filter_cb(
|
| 499 |
lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 0);
|
| 500 |
}
|
| 501 |
}
|
| 502 |
else // if (quote_mode)
|
| 503 |
{
|
| 504 |
if (lml_tag_def[k].quote_mode_output != NULL)
|
| 505 |
{
|
| 506 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, lml_tag_def[k].quote_mode_output, tag_param_buf);
|
| 507 |
}
|
| 508 |
else if (lml_tag_def[k].tag_filter_cb != NULL)
|
| 509 |
{
|
| 510 |
tag_output_len = lml_tag_def[k].tag_filter_cb(
|
| 511 |
lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 1);
|
| 512 |
}
|
| 513 |
}
|
| 514 |
|
| 515 |
if (line_width + tag_output_len > width)
|
| 516 |
{
|
| 517 |
if (i > last_i)
|
| 518 |
{
|
| 519 |
last_i = i;
|
| 520 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width);
|
| 521 |
new_line = 1;
|
| 522 |
line_width = 0;
|
| 523 |
i--; // redo at current i
|
| 524 |
continue;
|
| 525 |
}
|
| 526 |
else
|
| 527 |
{
|
| 528 |
continue; // Output current tag in plain text if line width exceeded
|
| 529 |
}
|
| 530 |
}
|
| 531 |
|
| 532 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width);
|
| 533 |
break;
|
| 534 |
default:
|
| 535 |
log_error("Bug: tag name not match");
|
| 536 |
}
|
| 537 |
}
|
| 538 |
else // tag_name not found
|
| 539 |
{
|
| 540 |
if (line_width + 1 > width)
|
| 541 |
{
|
| 542 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width);
|
| 543 |
new_line = 1;
|
| 544 |
line_width = 0;
|
| 545 |
i--; // redo at current i
|
| 546 |
continue;
|
| 547 |
}
|
| 548 |
|
| 549 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "[", 1, line_width);
|
| 550 |
i = tag_start_pos; // restart from tag_start_pos + 1
|
| 551 |
tag_start_pos = -1;
|
| 552 |
tag_name_pos = -1;
|
| 553 |
continue;
|
| 554 |
}
|
| 555 |
|
| 556 |
tag_start_pos = -1;
|
| 557 |
tag_name_pos = -1;
|
| 558 |
}
|
| 559 |
else if (lml_tag_disabled || tag_name_pos == -1) // not in LML tag
|
| 560 |
{
|
| 561 |
if (line_width + (str_in[i] & 0x80 ? 2 : 1) > width)
|
| 562 |
{
|
| 563 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width);
|
| 564 |
new_line = 1;
|
| 565 |
line_width = 0;
|
| 566 |
i--; // redo at current i
|
| 567 |
continue;
|
| 568 |
}
|
| 569 |
|
| 570 |
tag_output_len = 1;
|
| 571 |
if (str_in[i] & 0x80) // head of multi-byte character
|
| 572 |
{
|
| 573 |
c = (str_in[i] & 0x70) << 1;
|
| 574 |
while (c & 0x80)
|
| 575 |
{
|
| 576 |
if (str_in[i + tag_output_len] == '\0')
|
| 577 |
{
|
| 578 |
break;
|
| 579 |
}
|
| 580 |
tag_output_len++;
|
| 581 |
c = (c & 0x7f) << 1;
|
| 582 |
}
|
| 583 |
}
|
| 584 |
|
| 585 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, tag_output_len, line_width);
|
| 586 |
i += (tag_output_len - 1);
|
| 587 |
}
|
| 588 |
else // in LML tag
|
| 589 |
{
|
| 590 |
// Do nothing
|
| 591 |
}
|
| 592 |
}
|
| 593 |
|
| 594 |
if (!lml_tag_disabled && tag_start_pos != -1) // tag is not closed
|
| 595 |
{
|
| 596 |
tag_end_pos = i - 1;
|
| 597 |
tag_output_len = tag_end_pos - tag_start_pos + 1;
|
| 598 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width);
|
| 599 |
}
|
| 600 |
|
| 601 |
if (!quote_mode && !lml_tag_disabled && lml_tag_quote_level > 0)
|
| 602 |
{
|
| 603 |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "\033[m");
|
| 604 |
CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width);
|
| 605 |
}
|
| 606 |
|
| 607 |
str_out[j] = '\0';
|
| 608 |
|
| 609 |
clock_end = clock();
|
| 610 |
lml_total_exec_duration += (clock_end - clock_begin);
|
| 611 |
|
| 612 |
return j;
|
| 613 |
}
|
Parent Directory
| 
Revision Log