--- lbbs/src/lml.c 2025/06/14 02:59:34 1.7 +++ lbbs/src/lml.c 2025/12/19 14:08:44 1.53 @@ -1,32 +1,38 @@ -/*************************************************************************** - lml.h - description - ------------------- - Copyright : (C) 2004-2025 by Leaflet - Email : leaflet@leafok.com - ***************************************************************************/ - -/*************************************************************************** - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 3 of the License, or * - * (at your option) any later version. * - * * - ***************************************************************************/ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * lml + * - LML render + * + * Copyright (C) 2004-2025 Leaflet + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "common.h" #include "lml.h" #include "log.h" -#include "common.h" +#include "str_process.h" +#include "trie_dict.h" +#include #include #include #include -#define LML_TAG_PARAM_BUF_LEN 256 -#define LML_TAG_OUTPUT_BUF_LEN 1024 +enum _lml_constant_t +{ + LML_TAG_NAME_BUF_LEN = 21, + LML_TAG_PARAM_BUF_LEN = 256, + LML_TAG_OUTPUT_BUF_LEN = 1024, + LML_TAG_QUOTE_MAX_LEVEL = 10, +}; + +clock_t lml_total_exec_duration = 0; -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); +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); -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) +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) { if (strcasecmp(tag_name, "color") == 0) { @@ -62,18 +68,17 @@ static int lml_tag_color_filter(const ch return 0; } -#define LML_TAG_QUOTE_MAX_LEVEL 10 -#define LML_TAG_QUOTE_LEVEL_LOOP 3 - static const char *lml_tag_quote_color[] = { "\033[33m", // yellow "\033[32m", // green "\033[35m", // magenta }; +static const int LML_TAG_QUOTE_LEVEL_LOOP = (int)(sizeof(lml_tag_quote_color) / sizeof(const char *)); + static int lml_tag_quote_level = 0; -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) +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) { if (strcasecmp(tag_name, "quote") == 0) { @@ -81,7 +86,8 @@ static int lml_tag_quote_filter(const ch { lml_tag_quote_level++; } - return snprintf(tag_output_buf, tag_output_buf_len, lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]); + return snprintf(tag_output_buf, tag_output_buf_len, "%s", + lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]); } else if (strcasecmp(tag_name, "/quote") == 0) { @@ -89,231 +95,495 @@ static int lml_tag_quote_filter(const ch { lml_tag_quote_level--; } - return snprintf(tag_output_buf, tag_output_buf_len, + return snprintf(tag_output_buf, 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")); } return 0; } -const static char *LML_tag_def[][3] = { - {"left", "[", ""}, - {"right", "]", NULL}, - {"bold", "\033[1m", ""}, // does not work in Fterm - {"/bold", "\033[22m", NULL}, - {"b", "\033[1m", ""}, - {"/b", "\033[22m", NULL}, - {"italic", "\033[5m", ""}, // use blink instead - {"/italic", "\033[m", NULL}, // \033[25m does not work in Fterm - {"i", "\033[5m", ""}, - {"/i", "\033[m", NULL}, - {"underline", "\033[4m", ""}, - {"/underline", "\033[m", NULL}, // \033[24m does not work in Fterm - {"u", "\033[4m", ""}, - {"/u", "\033[m", NULL}, - {"color", NULL, (const char *)lml_tag_color_filter}, - {"/color", "\033[m", NULL}, - {"quote", NULL, (const char *)lml_tag_quote_filter}, - {"/quote", NULL, (const char *)lml_tag_quote_filter}, - {"url", "", ""}, - {"/url", "(Á´½Ó: %s)", NULL}, - {"link", "", ""}, - {"/link", "(Á´½Ó: %s)", NULL}, - {"email", "", ""}, - {"/email", "(Email: %s)", NULL}, - {"user", "", ""}, - {"/user", "(Óû§: %s)", NULL}, - {"article", "", ""}, - {"/article", "(ÎÄÕÂ: %s)", NULL}, - {"image", "(ͼƬ: %s)", ""}, - {"flash", "(Flash: %s)", ""}, - {"bwf", "\033[1;31m****\033[m", ""}, -}; +static int lml_tag_disabled = 0; + +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) +{ + lml_tag_disabled = 1; -#define LML_TAG_COUNT 31 + return snprintf(tag_output_buf, tag_output_buf_len, "%s", (quote_mode ? "[plain]" : "")); +} -static int LML_tag_name_len[LML_TAG_COUNT]; -static int LML_init = 0; +typedef struct lml_tag_def_t +{ + const char *tag_name; // tag name + const char *tag_output; // output string + const char *default_param; // default param string + const char *quote_mode_output; // output string in quote mode + lml_tag_filter_cb tag_filter_cb; // tag filter callback +} LML_TAG_DEF; + +const LML_TAG_DEF lml_tag_def[] = { + // Definition of tuple: {lml_tag, lml_output, default_param, quote_mode_output, lml_filter_cb} + {"plain", NULL, NULL, NULL, lml_tag_disable_filter}, + {"nolml", "", NULL, "", NULL}, // deprecated + {"lml", "", NULL, "", NULL}, // deprecated + {"align", "", "", "", NULL}, // N/A + {"/align", "", "", "", NULL}, // N/A + {"size", "", "", "", NULL}, // N/A + {"/size", "", "", "", NULL}, // N/A + {"left", "[", "", "[left]", NULL}, + {"right", "]", "", "[right]", NULL}, + {"bold", "\033[1m", "", "", NULL}, // does not work in Fterm + {"/bold", "\033[22m", NULL, "", NULL}, + {"b", "\033[1m", "", "", NULL}, + {"/b", "\033[22m", NULL, "", NULL}, + {"italic", "\033[5m", "", "", NULL}, // use blink instead + {"/italic", "\033[m", NULL, "", NULL}, // \033[25m does not work in Fterm + {"i", "\033[5m", "", "", NULL}, + {"/i", "\033[m", NULL, "", NULL}, + {"underline", "\033[4m", "", "", NULL}, + {"/underline", "\033[m", NULL, "", NULL}, // \033[24m does not work in Fterm + {"u", "\033[4m", "", "", NULL}, + {"/u", "\033[m", NULL, "", NULL}, + {"color", NULL, NULL, "", lml_tag_color_filter}, + {"/color", "\033[m", NULL, "", NULL}, + {"quote", NULL, NULL, "", lml_tag_quote_filter}, + {"/quote", NULL, NULL, "", lml_tag_quote_filter}, + {"url", "", "", "", NULL}, + {"/url", "（链接: %s）", NULL, "", NULL}, + {"link", "", "", "", NULL}, + {"/link", "（链接: %s）", NULL, "", NULL}, + {"email", "", "", "", NULL}, + {"/email", "（Email: %s）", NULL, "", NULL}, + {"user", "", "", "", NULL}, + {"/user", "（用户: %s）", NULL, "", NULL}, + {"article", "", "", "", NULL}, + {"/article", "（文章: %s）", NULL, "", NULL}, + {"image", "（图片: %s）", "", "%s", NULL}, + {"flash", "（Flash: %s）", "", "", NULL}, + {"bwf", "\033[1;31m****\033[m", "", "****", NULL}, +}; -inline static void lml_init(void) +static const int lml_tag_count = sizeof(lml_tag_def) / sizeof(LML_TAG_DEF); +static int lml_tag_name_len[sizeof(lml_tag_def) / sizeof(LML_TAG_DEF)]; +static TRIE_NODE *p_lml_tag_dict; +static int lml_ready = 0; + +int lml_init(void) { + char tag_name_buf[LML_TAG_NAME_BUF_LEN]; int i; + int j; + + if (lml_ready) + { + lml_cleanup(); + } + + p_lml_tag_dict = trie_dict_create(); + if (p_lml_tag_dict == NULL) + { + log_error("trie_dict_create(lml_tag_dict) error"); + return -1; + } - if (!LML_init) + for (i = 0; i < lml_tag_count; i++) { - for (i = 0; i < LML_TAG_COUNT; i++) + for (j = 0; j < LML_TAG_NAME_BUF_LEN - 1 && lml_tag_def[i].tag_name[j] != '\0'; j++) { - LML_tag_name_len[i] = (int)strlen(LML_tag_def[i][0]); + tag_name_buf[j] = (char)tolower(lml_tag_def[i].tag_name[j]); } + tag_name_buf[j] = '\0'; + lml_tag_name_len[i] = j; - LML_init = 1; + if (trie_dict_set(p_lml_tag_dict, tag_name_buf, (int64_t)i) != 1) + { + log_error("trie_dict_set(lml_tag_dict, %s, %d) error", tag_name_buf, i); + lml_cleanup(); + return -1; + } } + + lml_ready = 1; + + return 0; } -int lml_plain(const char *str_in, char *str_out, int buf_len) +void lml_cleanup(void) { + if (p_lml_tag_dict != NULL) + { + trie_dict_destroy(p_lml_tag_dict); + p_lml_tag_dict = NULL; + } + + lml_ready = 0; +} + +#define CHECK_AND_APPEND_OUTPUT(out_buf, out_buf_len, out_buf_offset, tag_out, tag_out_len, line_width) \ + if ((tag_out_len) > 0) \ + { \ + if ((out_buf_offset) + (tag_out_len) >= (out_buf_len)) \ + { \ + log_error("Buffer is not longer enough for output string %d >= %d", (out_buf_offset) + (tag_out_len), (out_buf_len)); \ + out_buf[out_buf_offset] = '\0'; \ + return (out_buf_offset); \ + } \ + memcpy((out_buf) + (out_buf_offset), (tag_out), (size_t)(tag_out_len)); \ + *((out_buf) + (out_buf_offset) + (size_t)(tag_out_len)) = '\0'; \ + (line_width) += str_length((out_buf) + (out_buf_offset), 1); \ + (out_buf_offset) += (tag_out_len); \ + } + +int lml_render(const char *str_in, char *str_out, int buf_len, int width, int quote_mode) +{ + clock_t clock_begin; + clock_t clock_end; + + char c; + char tag_name_buf[LML_TAG_NAME_BUF_LEN]; char tag_param_buf[LML_TAG_PARAM_BUF_LEN]; char tag_output_buf[LML_TAG_OUTPUT_BUF_LEN]; int i; int j = 0; int k; + int last_i = -1; + int64_t tag_index; int tag_start_pos = -1; + int tag_name_pos = -1; int tag_end_pos = -1; int tag_param_pos = -1; int tag_output_len; int new_line = 1; int fb_quote_level = 0; + int line_width = 0; + char tab_spaces[TAB_SIZE + 1]; + int tab_width = 0; + + clock_begin = clock(); - lml_init(); +#ifdef _DEBUG + size_t str_in_len = strlen(str_in); +#endif + if (!lml_ready) + { + log_error("LML module is not initialized"); + return -1; + } + + lml_tag_disabled = 0; lml_tag_quote_level = 0; + if (width <= 0) + { + width = INT_MAX; + } + for (i = 0; str_in[i] != '\0'; i++) { - if (new_line) +#ifdef _DEBUG + if (i >= str_in_len) { - if (fb_quote_level > 0) - { - lml_tag_quote_level -= fb_quote_level; + log_error("Bug: i(%d) >= str_in_len(%d)", i, str_in_len); + break; + } +#endif - tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, - (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 - 1) - { - log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); - str_out[j] = '\0'; - return j; - } - memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); - j += tag_output_len; + if (!lml_tag_disabled && new_line) + { + while (str_in[i] == ':' && str_in[i + 1] == ' ') // FB2000 quote leading str + { + fb_quote_level++; + lml_tag_quote_level++; + i += 2; + } - fb_quote_level = 0; + if (!quote_mode && lml_tag_quote_level > 0) + { + tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "%s", + lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP]); + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); } - while (str_in[i + fb_quote_level * 2] == ':' && str_in[i + fb_quote_level * 2 + 1] == ' ') // FB2000 quote leading str + for (k = 0; k < fb_quote_level; k++) { - fb_quote_level++; + tag_output_buf[k * 2] = ':'; + tag_output_buf[k * 2 + 1] = ' '; } + tag_output_buf[fb_quote_level * 2] = '\0'; + tag_output_len = fb_quote_level * 2; + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); + + new_line = 0; + i--; // redo at current i + continue; + } + + if (lml_tag_disabled && new_line) + { + new_line = 0; + } - if (fb_quote_level > 0) + if (!quote_mode && !lml_tag_disabled && str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence + { + for (k = i + 2; isdigit((int)str_in[k]) || str_in[k] == ';' || str_in[k] == '?'; k++) + ; + + if (str_in[k] == 'm') // valid -- copy directly + { + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, k - i + 1, line_width); + } + else if (isalpha((int)str_in[k])) + { + // unsupported ANSI CSI command + } + else { - lml_tag_quote_level += fb_quote_level; + k--; + } - tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, - lml_tag_quote_color[(lml_tag_quote_level) % LML_TAG_QUOTE_LEVEL_LOOP]); - if (j + tag_output_len >= buf_len - 1) + i = k; + continue; + } + + if (str_in[i] == '\n') // jump out of tag at end of line + { + if (!lml_tag_disabled && tag_start_pos != -1) // tag is not closed + { + if (line_width + 1 > width) { - log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); - str_out[j] = '\0'; - return j; + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); + new_line = 1; + line_width = 0; + i--; // redo at current i + continue; } - memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); - j += tag_output_len; + + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "[", 1, line_width); + i = tag_start_pos; // restart from tag_start_pos + 1 + tag_start_pos = -1; + tag_name_pos = -1; + continue; } - new_line = 0; - } + if (!lml_tag_disabled && fb_quote_level > 0) + { + lml_tag_quote_level -= fb_quote_level; - if (str_in[i] == '\n') - { - tag_start_pos = -1; // jump out of tag at end of line + tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, (quote_mode ? "" : "\033[m")); + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); + + fb_quote_level = 0; + } + + if (new_line) + { + continue; + } + + tag_start_pos = -1; + tag_name_pos = -1; new_line = 1; + line_width = -1; } - else if (str_in[i] == '\r') + else if (str_in[i] == '\r' || str_in[i] == '\7') { - continue; // ignore '\r' + continue; // Skip special characters + } + else if (str_in[i] == '\t') + { + tab_width = TAB_SIZE - (line_width % TAB_SIZE); + if (line_width + tab_width > width) + { + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); + new_line = 1; + line_width = 0; + // skip current Tab + continue; + } + + for (k = 0; k < tab_width; k++) + { + tab_spaces[k] = ' '; + } + tab_spaces[tab_width] = '\0'; + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tab_spaces, tab_width, line_width); + continue; } - if (str_in[i] == '[') + if (!lml_tag_disabled && str_in[i] == '[') { - tag_start_pos = i + 1; + if (tag_start_pos != -1) // tag is not closed + { + if (line_width + 1 > width) + { + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); + new_line = 1; + line_width = 0; + i--; // redo at current i + continue; + } + + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "[", 1, line_width); + i = tag_start_pos; // restart from tag_start_pos + 1 + tag_start_pos = -1; + tag_name_pos = -1; + continue; + } + + tag_start_pos = i; + tag_name_pos = i + 1; } - else if (str_in[i] == ']') + else if (!lml_tag_disabled && str_in[i] == ']' && tag_name_pos >= 0) { - if (tag_start_pos >= 0) + tag_end_pos = i; + + // Skip space characters + while (str_in[tag_name_pos] == ' ') { - tag_end_pos = i; + tag_name_pos++; + } - // Skip space characters - while (str_in[tag_start_pos] == ' ') + for (k = 0; k < LML_TAG_NAME_BUF_LEN - 1 && tag_name_pos + k < tag_end_pos; k++) + { + if (str_in[tag_name_pos + k] == ' ' || str_in[tag_name_pos + k] == ']') { - tag_start_pos++; + break; } + tag_name_buf[k] = (char)tolower(str_in[tag_name_pos + k]); + } + tag_name_buf[k] = '\0'; - for (k = 0; k < LML_TAG_COUNT; k++) + k = -1; + if (tag_name_buf[0] != '\0') + { + tag_index = -1; + if (trie_dict_get(p_lml_tag_dict, tag_name_buf, (int64_t *)&tag_index) < 0) + { + log_error("trie_dict_get(lml_tag_dict, %s) error", tag_name_buf); + } + else { - if (strncasecmp(LML_tag_def[k][0], str_in + tag_start_pos, (size_t)LML_tag_name_len[k]) == 0) + k = (int)tag_index; + } + } + + if (k != -1) + { + tag_param_pos = -1; + switch (str_in[tag_name_pos + lml_tag_name_len[k]]) + { + case ' ': + tag_param_pos = tag_name_pos + lml_tag_name_len[k] + 1; + while (str_in[tag_param_pos] == ' ') + { + tag_param_pos++; + } + strncpy(tag_param_buf, str_in + tag_param_pos, (size_t)MIN(tag_end_pos - tag_param_pos, LML_TAG_PARAM_BUF_LEN)); + tag_param_buf[MIN(tag_end_pos - tag_param_pos, LML_TAG_PARAM_BUF_LEN)] = '\0'; + case ']': + 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 + { + strncpy(tag_param_buf, lml_tag_def[k].default_param, LML_TAG_PARAM_BUF_LEN - 1); + tag_param_buf[LML_TAG_PARAM_BUF_LEN - 1] = '\0'; + } + tag_output_len = 0; + if (!quote_mode) { - tag_param_pos = -1; - switch (str_in[tag_start_pos + LML_tag_name_len[k]]) + if (lml_tag_def[k].tag_output != NULL) { - case ' ': - tag_param_pos = tag_start_pos + LML_tag_name_len[k] + 1; - while (str_in[tag_param_pos] == ' ') - { - tag_param_pos++; - } - strncpy(tag_param_buf, str_in + tag_param_pos, (size_t)MIN(tag_end_pos - tag_param_pos, LML_TAG_PARAM_BUF_LEN)); - tag_param_buf[MIN(tag_end_pos - tag_param_pos, LML_TAG_PARAM_BUF_LEN)] = '\0'; - case ']': - if (tag_param_pos == -1 && LML_tag_def[k][1] != NULL && LML_tag_def[k][2] != NULL) // Apply default param if not defined - { - strncpy(tag_param_buf, LML_tag_def[k][2], LML_TAG_PARAM_BUF_LEN - 1); - tag_param_buf[LML_TAG_PARAM_BUF_LEN - 1] = '\0'; - } - if (LML_tag_def[k][1] != NULL) - { - tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, LML_tag_def[k][1], tag_param_buf); - } - else - { - tag_output_len = ((lml_tag_filter_cb)LML_tag_def[k][2])( - LML_tag_def[k][0], tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN); - } - if (j + tag_output_len >= buf_len - 1) - { - log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); - str_out[j] = '\0'; - return j; - } - memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); - j += tag_output_len; - break; - default: // tag_name not match + tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, lml_tag_def[k].tag_output, tag_param_buf); + } + else if (lml_tag_def[k].tag_filter_cb != NULL) + { + tag_output_len = lml_tag_def[k].tag_filter_cb( + lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 0); + } + } + else // if (quote_mode) + { + if (lml_tag_def[k].quote_mode_output != NULL) + { + tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, lml_tag_def[k].quote_mode_output, tag_param_buf); + } + else if (lml_tag_def[k].tag_filter_cb != NULL) + { + tag_output_len = lml_tag_def[k].tag_filter_cb( + lml_tag_def[k].tag_name, tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, 1); + } + } + + if (line_width + tag_output_len > width) + { + if (i > last_i) + { + last_i = i; + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); + new_line = 1; + line_width = 0; + i--; // redo at current i continue; } - break; + else + { + continue; // Output current tag in plain text if line width exceeded + } } + + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); + break; + default: + log_error("Bug: tag name not match"); + } + } + else // tag_name not found + { + if (line_width + 1 > width) + { + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); + new_line = 1; + line_width = 0; + i--; // redo at current i + continue; } + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "[", 1, line_width); + i = tag_start_pos; // restart from tag_start_pos + 1 tag_start_pos = -1; + tag_name_pos = -1; + continue; } + + tag_start_pos = -1; + tag_name_pos = -1; } - else if (tag_start_pos == -1) // not in LML tag + else if (lml_tag_disabled || tag_name_pos == -1) // not in LML tag { - if (str_in[i] < 0 || str_in[i] > 127) // GBK chinese character + if (line_width + (str_in[i] & 0x80 ? 2 : 1) > width) { - if (j + 2 >= buf_len - 1) - { - log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 2, buf_len - 1); - str_out[j] = '\0'; - return j; - } - str_out[j++] = str_in[i++]; - if (str_in[i] == '\0') - { - str_out[j] = '\0'; - return j; - } + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, "\n", 1, line_width); + new_line = 1; + line_width = 0; + i--; // redo at current i + continue; } - if (j + 1 >= buf_len - 1) + tag_output_len = 1; + if (str_in[i] & 0x80) // head of multi-byte character { - log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 1, buf_len - 1); - str_out[j] = '\0'; - return j; + c = (str_in[i] & 0x70) << 1; + while (c & 0x80) + { + if (str_in[i + tag_output_len] == '\0') + { + break; + } + tag_output_len++; + c = (c & 0x7f) << 1; + } } - str_out[j++] = str_in[i]; + + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + i, tag_output_len, line_width); + i += (tag_output_len - 1); } else // in LML tag { @@ -321,20 +591,23 @@ int lml_plain(const char *str_in, char * } } - if (lml_tag_quote_level > 0) + if (!lml_tag_disabled && tag_start_pos != -1) // tag is not closed + { + tag_end_pos = i - 1; + tag_output_len = tag_end_pos - tag_start_pos + 1; + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, str_in + tag_start_pos, tag_output_len, line_width); + } + + if (!quote_mode && !lml_tag_disabled && lml_tag_quote_level > 0) { tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "\033[m"); - if (j + tag_output_len >= buf_len - 1) - { - log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); - str_out[j] = '\0'; - return j; - } - memcpy(str_out + j, tag_output_buf, (size_t)tag_output_len); - j += tag_output_len; + CHECK_AND_APPEND_OUTPUT(str_out, buf_len, j, tag_output_buf, tag_output_len, line_width); } str_out[j] = '\0'; + clock_end = clock(); + lml_total_exec_duration += (clock_end - clock_begin); + return j; }