[7d4fbcd] | 1 | #include "owl.h" |
---|
| 2 | #include <stdlib.h> |
---|
| 3 | #include <string.h> |
---|
| 4 | |
---|
[b2b0773] | 5 | /* initialize an fmtext with no data */ |
---|
[5789230] | 6 | void owl_fmtext_init_null(owl_fmtext *f) |
---|
| 7 | { |
---|
[9866c3a] | 8 | f->textlen = 0; |
---|
| 9 | f->bufflen = 5; |
---|
| 10 | f->textbuff = owl_malloc(5); |
---|
| 11 | f->textbuff[0] = 0; |
---|
| 12 | f->default_attrs = OWL_FMTEXT_ATTR_NONE; |
---|
| 13 | f->default_fgcolor = OWL_COLOR_DEFAULT; |
---|
[c55ad84] | 14 | f->default_bgcolor = OWL_COLOR_DEFAULT; |
---|
[7d4fbcd] | 15 | } |
---|
| 16 | |
---|
[a387d12e] | 17 | /* Clear the data from an fmtext, but don't deallocate memory. This |
---|
| 18 | fmtext can then be appended to again. */ |
---|
| 19 | void owl_fmtext_clear(owl_fmtext *f) |
---|
| 20 | { |
---|
[9866c3a] | 21 | f->textlen = 0; |
---|
| 22 | f->textbuff[0] = 0; |
---|
| 23 | f->default_attrs = OWL_FMTEXT_ATTR_NONE; |
---|
| 24 | f->default_fgcolor = OWL_COLOR_DEFAULT; |
---|
[c55ad84] | 25 | f->default_bgcolor = OWL_COLOR_DEFAULT; |
---|
[7d4fbcd] | 26 | } |
---|
| 27 | |
---|
[e9c6fc8] | 28 | static void _owl_fmtext_realloc(owl_fmtext *f, int newlen) |
---|
[a387d12e] | 29 | { |
---|
| 30 | if(newlen + 1 > f->bufflen) { |
---|
[9866c3a] | 31 | f->textbuff = owl_realloc(f->textbuff, newlen + 1); |
---|
[a387d12e] | 32 | f->bufflen = newlen+1; |
---|
| 33 | } |
---|
| 34 | } |
---|
| 35 | |
---|
[c1522ec] | 36 | int owl_fmtext_is_format_char(gunichar c) |
---|
[9866c3a] | 37 | { |
---|
| 38 | if ((c & ~OWL_FMTEXT_UC_ATTR_MASK) == OWL_FMTEXT_UC_ATTR) return 1; |
---|
| 39 | if ((c & ~(OWL_FMTEXT_UC_ALLCOLOR_MASK)) == OWL_FMTEXT_UC_COLOR_BASE) return 1; |
---|
| 40 | return 0; |
---|
| 41 | } |
---|
[b2b0773] | 42 | /* append text to the end of 'f' with attribute 'attr' and color |
---|
| 43 | * 'color' |
---|
| 44 | */ |
---|
[e19eb97] | 45 | void owl_fmtext_append_attr(owl_fmtext *f, const char *text, char attr, short fgcolor, short bgcolor) |
---|
[5789230] | 46 | { |
---|
[9866c3a] | 47 | char attrbuff[6]; |
---|
| 48 | int newlen, a = 0, fg = 0, bg = 0; |
---|
| 49 | |
---|
| 50 | if (attr != OWL_FMTEXT_ATTR_NONE) a=1; |
---|
| 51 | if (fgcolor != OWL_COLOR_DEFAULT) fg=1; |
---|
| 52 | if (bgcolor != OWL_COLOR_DEFAULT) bg=1; |
---|
| 53 | |
---|
| 54 | /* Plane-16 characters in UTF-8 are 4 bytes long. */ |
---|
| 55 | newlen = strlen(f->textbuff) + strlen(text) + (8 * (a + fg + bg)); |
---|
[a387d12e] | 56 | _owl_fmtext_realloc(f, newlen); |
---|
[9866c3a] | 57 | |
---|
| 58 | /* Set attributes */ |
---|
[6c171f1] | 59 | if (a) |
---|
| 60 | strncat(f->textbuff, attrbuff, |
---|
| 61 | g_unichar_to_utf8(OWL_FMTEXT_UC_ATTR | attr, attrbuff)); |
---|
| 62 | if (fg) |
---|
| 63 | strncat(f->textbuff, attrbuff, |
---|
| 64 | g_unichar_to_utf8(OWL_FMTEXT_UC_FGCOLOR | fgcolor, attrbuff)); |
---|
| 65 | if (bg) |
---|
| 66 | strncat(f->textbuff, attrbuff, |
---|
| 67 | g_unichar_to_utf8(OWL_FMTEXT_UC_BGCOLOR | bgcolor, attrbuff)); |
---|
[a387d12e] | 68 | |
---|
[7d4fbcd] | 69 | strcat(f->textbuff, text); |
---|
[9866c3a] | 70 | |
---|
| 71 | /* Reset attributes */ |
---|
| 72 | if (bg) strcat(f->textbuff, OWL_FMTEXT_UTF8_BGDEFAULT); |
---|
| 73 | if (fg) strcat(f->textbuff, OWL_FMTEXT_UTF8_FGDEFAULT); |
---|
| 74 | if (a) strcat(f->textbuff, OWL_FMTEXT_UTF8_ATTR_NONE); |
---|
[7d4fbcd] | 75 | f->textlen=newlen; |
---|
| 76 | } |
---|
| 77 | |
---|
[b2b0773] | 78 | /* Append normal, uncolored text 'text' to 'f' */ |
---|
[e19eb97] | 79 | void owl_fmtext_append_normal(owl_fmtext *f, const char *text) |
---|
[5789230] | 80 | { |
---|
[8fa9562] | 81 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
---|
[7d4fbcd] | 82 | } |
---|
| 83 | |
---|
[1490327] | 84 | /* Append normal, uncolored text specified by format string to 'f' */ |
---|
[e19eb97] | 85 | void owl_fmtext_appendf_normal(owl_fmtext *f, const char *fmt, ...) |
---|
[1490327] | 86 | { |
---|
| 87 | va_list ap; |
---|
| 88 | char *buff; |
---|
| 89 | |
---|
| 90 | va_start(ap, fmt); |
---|
| 91 | buff = g_strdup_vprintf(fmt, ap); |
---|
| 92 | va_end(ap); |
---|
| 93 | if (!buff) |
---|
| 94 | return; |
---|
| 95 | owl_fmtext_append_attr(f, buff, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
---|
[1a01720] | 96 | owl_free(buff); |
---|
[1490327] | 97 | } |
---|
| 98 | |
---|
[b2b0773] | 99 | /* Append normal text 'text' to 'f' with color 'color' */ |
---|
[e19eb97] | 100 | void owl_fmtext_append_normal_color(owl_fmtext *f, const char *text, int fgcolor, int bgcolor) |
---|
[5789230] | 101 | { |
---|
[8fa9562] | 102 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, fgcolor, bgcolor); |
---|
[7d4fbcd] | 103 | } |
---|
| 104 | |
---|
[b2b0773] | 105 | /* Append bold text 'text' to 'f' */ |
---|
[e19eb97] | 106 | void owl_fmtext_append_bold(owl_fmtext *f, const char *text) |
---|
[5789230] | 107 | { |
---|
[8fa9562] | 108 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
---|
[7d4fbcd] | 109 | } |
---|
| 110 | |
---|
[b2b0773] | 111 | /* Append reverse video text 'text' to 'f' */ |
---|
[e19eb97] | 112 | void owl_fmtext_append_reverse(owl_fmtext *f, const char *text) |
---|
[5789230] | 113 | { |
---|
[8fa9562] | 114 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
---|
[7d4fbcd] | 115 | } |
---|
| 116 | |
---|
[b2b0773] | 117 | /* Append reversed and bold, uncolored text 'text' to 'f' */ |
---|
[e19eb97] | 118 | void owl_fmtext_append_reversebold(owl_fmtext *f, const char *text) |
---|
[5789230] | 119 | { |
---|
[8fa9562] | 120 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE | OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
---|
[7d4fbcd] | 121 | } |
---|
| 122 | |
---|
[9866c3a] | 123 | /* Add the attribute 'attr' to the default atts for the text in 'f' */ |
---|
| 124 | void owl_fmtext_addattr(owl_fmtext *f, char attr) |
---|
[5789230] | 125 | { |
---|
[7d4fbcd] | 126 | /* add the attribute to all text */ |
---|
[9866c3a] | 127 | f->default_attrs |= attr; |
---|
[7d4fbcd] | 128 | } |
---|
| 129 | |
---|
[9866c3a] | 130 | /* Set the default foreground color for this fmtext to 'color'. |
---|
| 131 | * Only affects text that is colored default. |
---|
[b2b0773] | 132 | */ |
---|
[5789230] | 133 | void owl_fmtext_colorize(owl_fmtext *f, int color) |
---|
| 134 | { |
---|
[9866c3a] | 135 | f->default_fgcolor = color; |
---|
[8fa9562] | 136 | } |
---|
| 137 | |
---|
[9866c3a] | 138 | /* Set the default foreground color for this fmtext to 'color'. |
---|
| 139 | * Only affects text that is colored default. |
---|
| 140 | */ |
---|
[8fa9562] | 141 | void owl_fmtext_colorizebg(owl_fmtext *f, int color) |
---|
| 142 | { |
---|
[9866c3a] | 143 | f->default_bgcolor = color; |
---|
| 144 | } |
---|
[7d4fbcd] | 145 | |
---|
[9866c3a] | 146 | /* Internal function. Parse attrbute character. */ |
---|
[e9c6fc8] | 147 | static void _owl_fmtext_update_attributes(gunichar c, char *attr, short *fgcolor, short *bgcolor) |
---|
[9866c3a] | 148 | { |
---|
| 149 | if ((c & OWL_FMTEXT_UC_ATTR) == OWL_FMTEXT_UC_ATTR) { |
---|
| 150 | *attr = c & OWL_FMTEXT_UC_ATTR_MASK; |
---|
| 151 | } |
---|
[6f6330b] | 152 | else if ((c & OWL_FMTEXT_UC_COLOR_BASE) == OWL_FMTEXT_UC_COLOR_BASE) { |
---|
| 153 | if ((c & OWL_FMTEXT_UC_BGCOLOR) == OWL_FMTEXT_UC_BGCOLOR) { |
---|
| 154 | *bgcolor = (c == OWL_FMTEXT_UC_BGDEFAULT |
---|
| 155 | ? OWL_COLOR_DEFAULT |
---|
| 156 | : c & OWL_FMTEXT_UC_COLOR_MASK); |
---|
| 157 | } |
---|
| 158 | else if ((c & OWL_FMTEXT_UC_FGCOLOR) == OWL_FMTEXT_UC_FGCOLOR) { |
---|
| 159 | *fgcolor = (c == OWL_FMTEXT_UC_FGDEFAULT |
---|
| 160 | ? OWL_COLOR_DEFAULT |
---|
| 161 | : c & OWL_FMTEXT_UC_COLOR_MASK); |
---|
| 162 | } |
---|
[7d4fbcd] | 163 | } |
---|
| 164 | } |
---|
| 165 | |
---|
[9866c3a] | 166 | /* Internal function. Scan for attribute characters. */ |
---|
[e9c6fc8] | 167 | static void _owl_fmtext_scan_attributes(const owl_fmtext *f, int start, char *attr, short *fgcolor, short *bgcolor) |
---|
[9866c3a] | 168 | { |
---|
[e19eb97] | 169 | const char *p; |
---|
[9866c3a] | 170 | p = strchr(f->textbuff, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
---|
| 171 | while (p && p < f->textbuff + start) { |
---|
| 172 | _owl_fmtext_update_attributes(g_utf8_get_char(p), attr, fgcolor, bgcolor); |
---|
| 173 | p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
---|
| 174 | } |
---|
| 175 | } |
---|
| 176 | |
---|
[e0e0e5a] | 177 | /* Internal function. Append text from 'in' between index 'start' |
---|
| 178 | * inclusive and 'stop' exclusive, to the end of 'f'. This function |
---|
| 179 | * works with bytes. |
---|
[b2b0773] | 180 | */ |
---|
[e9c6fc8] | 181 | static void _owl_fmtext_append_fmtext(owl_fmtext *f, const owl_fmtext *in, int start, int stop) |
---|
[9866c3a] | 182 | { |
---|
| 183 | char attrbuff[6]; |
---|
| 184 | int newlen, a = 0, fg = 0, bg = 0; |
---|
| 185 | char attr = 0; |
---|
| 186 | short fgcolor = OWL_COLOR_DEFAULT; |
---|
| 187 | short bgcolor = OWL_COLOR_DEFAULT; |
---|
| 188 | |
---|
| 189 | _owl_fmtext_scan_attributes(in, start, &attr, &fgcolor, &bgcolor); |
---|
| 190 | if (attr != OWL_FMTEXT_ATTR_NONE) a=1; |
---|
| 191 | if (fgcolor != OWL_COLOR_DEFAULT) fg=1; |
---|
| 192 | if (bgcolor != OWL_COLOR_DEFAULT) bg=1; |
---|
| 193 | |
---|
| 194 | /* We will reset to defaults after appending the text. We may need |
---|
| 195 | to set initial attributes. */ |
---|
[e0e0e5a] | 196 | newlen=strlen(f->textbuff)+(stop-start) + (4 * (a + fg + bg)) + 12; |
---|
[a387d12e] | 197 | _owl_fmtext_realloc(f, newlen); |
---|
[7d4fbcd] | 198 | |
---|
[6c171f1] | 199 | if (a) |
---|
| 200 | strncat(f->textbuff, attrbuff, |
---|
| 201 | g_unichar_to_utf8(OWL_FMTEXT_UC_ATTR | attr, attrbuff)); |
---|
| 202 | if (fg) |
---|
| 203 | strncat(f->textbuff, attrbuff, |
---|
| 204 | g_unichar_to_utf8(OWL_FMTEXT_UC_FGCOLOR | fgcolor, attrbuff)); |
---|
| 205 | if (bg) |
---|
| 206 | strncat(f->textbuff, attrbuff, |
---|
| 207 | g_unichar_to_utf8(OWL_FMTEXT_UC_BGCOLOR | bgcolor, attrbuff)); |
---|
[9866c3a] | 208 | |
---|
[e0e0e5a] | 209 | strncat(f->textbuff, in->textbuff+start, stop-start); |
---|
[9866c3a] | 210 | |
---|
| 211 | /* Reset attributes */ |
---|
| 212 | strcat(f->textbuff, OWL_FMTEXT_UTF8_BGDEFAULT); |
---|
| 213 | strcat(f->textbuff, OWL_FMTEXT_UTF8_FGDEFAULT); |
---|
| 214 | strcat(f->textbuff, OWL_FMTEXT_UTF8_ATTR_NONE); |
---|
| 215 | |
---|
[7d4fbcd] | 216 | f->textbuff[newlen]='\0'; |
---|
| 217 | f->textlen=newlen; |
---|
| 218 | } |
---|
| 219 | |
---|
[b2b0773] | 220 | /* append fmtext 'in' to 'f' */ |
---|
[075ba92] | 221 | void owl_fmtext_append_fmtext(owl_fmtext *f, const owl_fmtext *in) |
---|
[5789230] | 222 | { |
---|
| 223 | _owl_fmtext_append_fmtext(f, in, 0, in->textlen); |
---|
| 224 | |
---|
| 225 | } |
---|
| 226 | |
---|
[b2b0773] | 227 | /* Append 'nspaces' number of spaces to the end of 'f' */ |
---|
[5789230] | 228 | void owl_fmtext_append_spaces(owl_fmtext *f, int nspaces) |
---|
| 229 | { |
---|
[7d4fbcd] | 230 | int i; |
---|
| 231 | for (i=0; i<nspaces; i++) { |
---|
| 232 | owl_fmtext_append_normal(f, " "); |
---|
| 233 | } |
---|
| 234 | } |
---|
| 235 | |
---|
[b2b0773] | 236 | /* Return a plain version of the fmtext. Caller is responsible for |
---|
| 237 | * freeing the return |
---|
| 238 | */ |
---|
[075ba92] | 239 | char *owl_fmtext_print_plain(const owl_fmtext *f) |
---|
[5789230] | 240 | { |
---|
[5376a95] | 241 | return owl_strip_format_chars(f->textbuff); |
---|
[e1c4636] | 242 | } |
---|
| 243 | |
---|
[e9c6fc8] | 244 | static void _owl_fmtext_wattrset(WINDOW *w, int attrs) |
---|
[9866c3a] | 245 | { |
---|
| 246 | wattrset(w, A_NORMAL); |
---|
| 247 | if (attrs & OWL_FMTEXT_ATTR_BOLD) wattron(w, A_BOLD); |
---|
| 248 | if (attrs & OWL_FMTEXT_ATTR_REVERSE) wattron(w, A_REVERSE); |
---|
| 249 | if (attrs & OWL_FMTEXT_ATTR_UNDERLINE) wattron(w, A_UNDERLINE); |
---|
| 250 | } |
---|
[16c6cca] | 251 | |
---|
[e9c6fc8] | 252 | static void _owl_fmtext_update_colorpair(short fg, short bg, short *pair) |
---|
[16c6cca] | 253 | { |
---|
| 254 | if (owl_global_get_hascolors(&g)) { |
---|
| 255 | *pair = owl_fmtext_get_colorpair(fg, bg); |
---|
| 256 | } |
---|
| 257 | } |
---|
| 258 | |
---|
[e9c6fc8] | 259 | static void _owl_fmtext_wcolor_set(WINDOW *w, short pair) |
---|
[16c6cca] | 260 | { |
---|
| 261 | if (owl_global_get_hascolors(&g)) { |
---|
| 262 | wcolor_set(w,pair,NULL); |
---|
[39cff48] | 263 | wbkgdset(w, COLOR_PAIR(pair)); |
---|
[16c6cca] | 264 | } |
---|
| 265 | } |
---|
| 266 | |
---|
[b2b0773] | 267 | /* add the formatted text to the curses window 'w'. The window 'w' |
---|
| 268 | * must already be initiatlized with curses |
---|
| 269 | */ |
---|
[e9c6fc8] | 270 | static void _owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w, int do_search) |
---|
[9866c3a] | 271 | { |
---|
| 272 | /* char *tmpbuff; */ |
---|
| 273 | /* int position, trans1, trans2, trans3, len, lastsame; */ |
---|
| 274 | char *s, *p; |
---|
| 275 | char attr; |
---|
[18fb86ee] | 276 | short fg, bg, pair = 0; |
---|
[9866c3a] | 277 | |
---|
[f2f9314] | 278 | if (w==NULL) { |
---|
| 279 | owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr."); |
---|
| 280 | return; |
---|
| 281 | } |
---|
| 282 | |
---|
[9866c3a] | 283 | s = f->textbuff; |
---|
| 284 | /* Set default attributes. */ |
---|
| 285 | attr = f->default_attrs; |
---|
| 286 | fg = f->default_fgcolor; |
---|
| 287 | bg = f->default_bgcolor; |
---|
| 288 | _owl_fmtext_wattrset(w, attr); |
---|
[16c6cca] | 289 | _owl_fmtext_update_colorpair(fg, bg, &pair); |
---|
| 290 | _owl_fmtext_wcolor_set(w, pair); |
---|
[7d4fbcd] | 291 | |
---|
[9866c3a] | 292 | /* Find next possible format character. */ |
---|
| 293 | p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
---|
| 294 | while(p) { |
---|
[c1522ec] | 295 | if (owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
---|
[9866c3a] | 296 | /* Deal with all text from last insert to here. */ |
---|
| 297 | char tmp; |
---|
| 298 | |
---|
| 299 | tmp = p[0]; |
---|
| 300 | p[0] = '\0'; |
---|
[449c682] | 301 | if (do_search && owl_global_is_search_active(&g)) { |
---|
[9866c3a] | 302 | /* Search is active, so highlight search results. */ |
---|
[41c9a96] | 303 | char tmp2; |
---|
| 304 | int start, end; |
---|
| 305 | while (owl_regex_compare(owl_global_get_search_re(&g), s, &start, &end) == 0) { |
---|
[0ed5c57] | 306 | /* Prevent an infinite loop matching the empty string. */ |
---|
| 307 | if (end == 0) |
---|
| 308 | break; |
---|
| 309 | |
---|
[9866c3a] | 310 | /* Found search string, highlight it. */ |
---|
| 311 | |
---|
[41c9a96] | 312 | tmp2 = s[start]; |
---|
| 313 | s[start] = '\0'; |
---|
[9866c3a] | 314 | waddstr(w, s); |
---|
[41c9a96] | 315 | s[start] = tmp2; |
---|
[9866c3a] | 316 | |
---|
[987a93c] | 317 | _owl_fmtext_wattrset(w, attr ^ OWL_FMTEXT_ATTR_REVERSE); |
---|
[16c6cca] | 318 | _owl_fmtext_wcolor_set(w, pair); |
---|
| 319 | |
---|
[41c9a96] | 320 | tmp2 = s[end]; |
---|
| 321 | s[end] = '\0'; |
---|
| 322 | waddstr(w, s + start); |
---|
| 323 | s[end] = tmp2; |
---|
[9866c3a] | 324 | |
---|
[16c6cca] | 325 | _owl_fmtext_wattrset(w, attr); |
---|
| 326 | _owl_fmtext_wcolor_set(w, pair); |
---|
[9866c3a] | 327 | |
---|
[41c9a96] | 328 | s += end; |
---|
[9866c3a] | 329 | } |
---|
| 330 | } |
---|
| 331 | /* Deal with remaining part of string. */ |
---|
| 332 | waddstr(w, s); |
---|
| 333 | p[0] = tmp; |
---|
| 334 | |
---|
| 335 | /* Deal with new attributes. Initialize to defaults, then |
---|
| 336 | process all consecutive formatting characters. */ |
---|
| 337 | attr = f->default_attrs; |
---|
| 338 | fg = f->default_fgcolor; |
---|
| 339 | bg = f->default_bgcolor; |
---|
[f119757] | 340 | while (owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
---|
[9866c3a] | 341 | _owl_fmtext_update_attributes(g_utf8_get_char(p), &attr, &fg, &bg); |
---|
| 342 | p = g_utf8_next_char(p); |
---|
[7d4fbcd] | 343 | } |
---|
[9866c3a] | 344 | _owl_fmtext_wattrset(w, attr | f->default_attrs); |
---|
[16c6cca] | 345 | if (fg == OWL_COLOR_DEFAULT) fg = f->default_fgcolor; |
---|
| 346 | if (bg == OWL_COLOR_DEFAULT) bg = f->default_bgcolor; |
---|
| 347 | _owl_fmtext_update_colorpair(fg, bg, &pair); |
---|
| 348 | _owl_fmtext_wcolor_set(w, pair); |
---|
| 349 | |
---|
[9866c3a] | 350 | /* Advance to next non-formatting character. */ |
---|
| 351 | s = p; |
---|
| 352 | p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
---|
| 353 | } |
---|
| 354 | else { |
---|
| 355 | p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
---|
[7d4fbcd] | 356 | } |
---|
| 357 | } |
---|
[9866c3a] | 358 | if (s) { |
---|
| 359 | waddstr(w, s); |
---|
| 360 | } |
---|
[39cff48] | 361 | wbkgdset(w, 0); |
---|
[7d4fbcd] | 362 | } |
---|
| 363 | |
---|
[075ba92] | 364 | void owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w) |
---|
[47519e1b] | 365 | { |
---|
[449c682] | 366 | _owl_fmtext_curs_waddstr(f, w, 1); |
---|
[47519e1b] | 367 | } |
---|
| 368 | |
---|
[075ba92] | 369 | void owl_fmtext_curs_waddstr_without_search(const owl_fmtext *f, WINDOW *w) |
---|
[47519e1b] | 370 | { |
---|
| 371 | _owl_fmtext_curs_waddstr(f, w, 0); |
---|
| 372 | } |
---|
[7d4fbcd] | 373 | |
---|
[2b83ad6] | 374 | /* Expands tabs. Tabs are expanded as if given an initial indent of start. */ |
---|
| 375 | void owl_fmtext_expand_tabs(const owl_fmtext *in, owl_fmtext *out, int start) { |
---|
| 376 | int col = start, numcopied = 0; |
---|
| 377 | char *ptr; |
---|
| 378 | |
---|
| 379 | /* Copy the default attributes. */ |
---|
| 380 | out->default_attrs = in->default_attrs; |
---|
| 381 | out->default_fgcolor = in->default_fgcolor; |
---|
| 382 | out->default_bgcolor = in->default_bgcolor; |
---|
| 383 | |
---|
| 384 | for (ptr = in->textbuff; |
---|
| 385 | ptr < in->textbuff + in->textlen; |
---|
| 386 | ptr = g_utf8_next_char(ptr)) { |
---|
| 387 | gunichar c = g_utf8_get_char(ptr); |
---|
| 388 | int chwidth; |
---|
| 389 | if (c == '\t') { |
---|
| 390 | /* Copy up to this tab */ |
---|
[30da473] | 391 | _owl_fmtext_append_fmtext(out, in, numcopied, ptr - in->textbuff); |
---|
[2b83ad6] | 392 | /* and then copy spaces for the tab. */ |
---|
| 393 | chwidth = OWL_TAB_WIDTH - (col % OWL_TAB_WIDTH); |
---|
| 394 | owl_fmtext_append_spaces(out, chwidth); |
---|
| 395 | col += chwidth; |
---|
| 396 | numcopied = g_utf8_next_char(ptr) - in->textbuff; |
---|
| 397 | } else { |
---|
| 398 | /* Just update col. We'll append later. */ |
---|
| 399 | if (c == '\n') { |
---|
| 400 | col = start; |
---|
| 401 | } else if (!owl_fmtext_is_format_char(c)) { |
---|
| 402 | col += mk_wcwidth(c); |
---|
| 403 | } |
---|
| 404 | } |
---|
| 405 | } |
---|
| 406 | /* Append anything we've missed. */ |
---|
| 407 | if (numcopied < in->textlen) |
---|
[30da473] | 408 | _owl_fmtext_append_fmtext(out, in, numcopied, in->textlen); |
---|
[2b83ad6] | 409 | } |
---|
| 410 | |
---|
[b2b0773] | 411 | /* start with line 'aline' (where the first line is 0) and print |
---|
| 412 | * 'lines' number of lines into 'out' |
---|
| 413 | */ |
---|
[075ba92] | 414 | int owl_fmtext_truncate_lines(const owl_fmtext *in, int aline, int lines, owl_fmtext *out) |
---|
[5789230] | 415 | { |
---|
[e19eb97] | 416 | const char *ptr1, *ptr2; |
---|
[7d4fbcd] | 417 | int i, offset; |
---|
| 418 | |
---|
| 419 | /* find the starting line */ |
---|
[9866c3a] | 420 | ptr1 = in->textbuff; |
---|
| 421 | for (i = 0; i < aline; i++) { |
---|
| 422 | ptr1 = strchr(ptr1, '\n'); |
---|
| 423 | if (!ptr1) return(-1); |
---|
| 424 | ptr1++; |
---|
[7d4fbcd] | 425 | } |
---|
[9866c3a] | 426 | |
---|
[7d4fbcd] | 427 | /* ptr1 now holds the starting point */ |
---|
| 428 | |
---|
[c55ad84] | 429 | /* copy the default attributes */ |
---|
| 430 | out->default_attrs = in->default_attrs; |
---|
| 431 | out->default_fgcolor = in->default_fgcolor; |
---|
| 432 | out->default_bgcolor = in->default_bgcolor; |
---|
| 433 | |
---|
[7d4fbcd] | 434 | /* copy in the next 'lines' lines */ |
---|
[9866c3a] | 435 | if (lines < 1) return(-1); |
---|
[7d4fbcd] | 436 | |
---|
[9866c3a] | 437 | for (i = 0; i < lines; i++) { |
---|
| 438 | offset = ptr1 - in->textbuff; |
---|
| 439 | ptr2 = strchr(ptr1, '\n'); |
---|
[7d4fbcd] | 440 | if (!ptr2) { |
---|
[e0e0e5a] | 441 | /* Copy to the end of the buffer. */ |
---|
| 442 | _owl_fmtext_append_fmtext(out, in, offset, in->textlen); |
---|
[7d4fbcd] | 443 | return(-1); |
---|
| 444 | } |
---|
[e0e0e5a] | 445 | /* Copy up to, and including, the new line. */ |
---|
| 446 | _owl_fmtext_append_fmtext(out, in, offset, (ptr2 - ptr1) + offset + 1); |
---|
[9866c3a] | 447 | ptr1 = ptr2 + 1; |
---|
[7d4fbcd] | 448 | } |
---|
| 449 | return(0); |
---|
| 450 | } |
---|
| 451 | |
---|
[e0022d2] | 452 | /* Implementation of owl_fmtext_truncate_cols. Does not support tabs in input. */ |
---|
| 453 | void _owl_fmtext_truncate_cols_internal(const owl_fmtext *in, int acol, int bcol, owl_fmtext *out) |
---|
[5789230] | 454 | { |
---|
[e19eb97] | 455 | const char *ptr_s, *ptr_e, *ptr_c, *last; |
---|
[9866c3a] | 456 | int col, st, padding, chwidth; |
---|
[7d4fbcd] | 457 | |
---|
[c55ad84] | 458 | /* copy the default attributes */ |
---|
| 459 | out->default_attrs = in->default_attrs; |
---|
| 460 | out->default_fgcolor = in->default_fgcolor; |
---|
| 461 | out->default_bgcolor = in->default_bgcolor; |
---|
| 462 | |
---|
[7d4fbcd] | 463 | last=in->textbuff+in->textlen-1; |
---|
[28ee32b] | 464 | ptr_s=in->textbuff; |
---|
[9866c3a] | 465 | while (ptr_s <= last) { |
---|
[28ee32b] | 466 | ptr_e=strchr(ptr_s, '\n'); |
---|
| 467 | if (!ptr_e) { |
---|
[dd6af02] | 468 | /* but this shouldn't happen if we end in a \n */ |
---|
| 469 | break; |
---|
[7d4fbcd] | 470 | } |
---|
| 471 | |
---|
[9866c3a] | 472 | if (ptr_e == ptr_s) { |
---|
[7d4fbcd] | 473 | owl_fmtext_append_normal(out, "\n"); |
---|
[9866c3a] | 474 | ++ptr_s; |
---|
[7d4fbcd] | 475 | continue; |
---|
| 476 | } |
---|
| 477 | |
---|
[28ee32b] | 478 | col = 0; |
---|
[9866c3a] | 479 | st = 0; |
---|
[dd24b6a] | 480 | padding = 0; |
---|
[47519e1b] | 481 | chwidth = 0; |
---|
[28ee32b] | 482 | ptr_c = ptr_s; |
---|
[3a7cf49] | 483 | while(ptr_c < ptr_e) { |
---|
[28ee32b] | 484 | gunichar c = g_utf8_get_char(ptr_c); |
---|
[c1522ec] | 485 | if (!owl_fmtext_is_format_char(c)) { |
---|
[47519e1b] | 486 | chwidth = mk_wcwidth(c); |
---|
[3a7cf49] | 487 | if (col + chwidth > bcol) break; |
---|
| 488 | |
---|
[9866c3a] | 489 | if (col >= acol) { |
---|
| 490 | if (st == 0) { |
---|
| 491 | ptr_s = ptr_c; |
---|
| 492 | padding = col - acol; |
---|
| 493 | ++st; |
---|
| 494 | } |
---|
[dd24b6a] | 495 | } |
---|
[9866c3a] | 496 | col += chwidth; |
---|
| 497 | chwidth = 0; |
---|
[28ee32b] | 498 | } |
---|
[9866c3a] | 499 | ptr_c = g_utf8_next_char(ptr_c); |
---|
[dd24b6a] | 500 | } |
---|
[9866c3a] | 501 | if (st) { |
---|
| 502 | /* lead padding */ |
---|
| 503 | owl_fmtext_append_spaces(out, padding); |
---|
[3a7cf49] | 504 | if (ptr_c == ptr_e) { |
---|
[e0e0e5a] | 505 | /* We made it to the newline. Append up to, and including it. */ |
---|
| 506 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff + 1); |
---|
[9866c3a] | 507 | } |
---|
[db1af5f] | 508 | else if (chwidth > 1) { |
---|
| 509 | /* Last char is wide, truncate. */ |
---|
[e0e0e5a] | 510 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff); |
---|
[db1af5f] | 511 | owl_fmtext_append_normal(out, "\n"); |
---|
| 512 | } |
---|
[9866c3a] | 513 | else { |
---|
[e0e0e5a] | 514 | /* Last char fits perfectly, We stop at the next char to make |
---|
| 515 | * sure we get it all. */ |
---|
[db1af5f] | 516 | ptr_c = g_utf8_next_char(ptr_c); |
---|
[e0e0e5a] | 517 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff); |
---|
[28ee32b] | 518 | } |
---|
[dd24b6a] | 519 | } |
---|
| 520 | else { |
---|
| 521 | owl_fmtext_append_normal(out, "\n"); |
---|
[28ee32b] | 522 | } |
---|
[dd6af02] | 523 | ptr_s = g_utf8_next_char(ptr_e); |
---|
[7d4fbcd] | 524 | } |
---|
| 525 | } |
---|
| 526 | |
---|
[e0022d2] | 527 | /* Truncate the message so that each line begins at column 'acol' and |
---|
| 528 | * ends at 'bcol' or sooner. The first column is number 0. The new |
---|
| 529 | * message is placed in 'out'. The message is expected to end in a |
---|
| 530 | * new line for now. |
---|
| 531 | * |
---|
| 532 | * NOTE: This needs to be modified to deal with backing up if we find |
---|
| 533 | * a SPACING COMBINING MARK at the end of a line. If that happens, we |
---|
| 534 | * should back up to the last non-mark character and stop there. |
---|
| 535 | * |
---|
| 536 | * NOTE: If a line ends at bcol, we omit the newline. This is so printing |
---|
| 537 | * to ncurses works. |
---|
| 538 | */ |
---|
| 539 | void owl_fmtext_truncate_cols(const owl_fmtext *in, int acol, int bcol, owl_fmtext *out) |
---|
| 540 | { |
---|
| 541 | owl_fmtext notabs; |
---|
| 542 | |
---|
| 543 | /* _owl_fmtext_truncate_cols_internal cannot handle tabs. */ |
---|
| 544 | if (strchr(in->textbuff, '\t')) { |
---|
| 545 | owl_fmtext_init_null(¬abs); |
---|
| 546 | owl_fmtext_expand_tabs(in, ¬abs, 0); |
---|
| 547 | _owl_fmtext_truncate_cols_internal(¬abs, acol, bcol, out); |
---|
| 548 | owl_fmtext_cleanup(¬abs); |
---|
| 549 | } else { |
---|
| 550 | _owl_fmtext_truncate_cols_internal(in, acol, bcol, out); |
---|
| 551 | } |
---|
| 552 | } |
---|
| 553 | |
---|
[b2b0773] | 554 | /* Return the number of lines in 'f' */ |
---|
[075ba92] | 555 | int owl_fmtext_num_lines(const owl_fmtext *f) |
---|
[5789230] | 556 | { |
---|
[7d4fbcd] | 557 | int lines, i; |
---|
[c93b8b5] | 558 | char *lastbreak, *p; |
---|
[7d4fbcd] | 559 | |
---|
| 560 | lines=0; |
---|
[c93b8b5] | 561 | lastbreak = f->textbuff; |
---|
[af2ca19] | 562 | for (i=0; i<f->textlen; i++) { |
---|
[c93b8b5] | 563 | if (f->textbuff[i]=='\n') { |
---|
| 564 | lastbreak = f->textbuff + i; |
---|
| 565 | lines++; |
---|
| 566 | } |
---|
[7d4fbcd] | 567 | } |
---|
| 568 | |
---|
[c93b8b5] | 569 | /* Check if there's a trailing line; formatting characters don't count. */ |
---|
| 570 | for (p = g_utf8_next_char(lastbreak); |
---|
| 571 | p < f->textbuff + f->textlen; |
---|
| 572 | p = g_utf8_next_char(p)) { |
---|
| 573 | if (!owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
---|
| 574 | lines++; |
---|
| 575 | break; |
---|
| 576 | } |
---|
| 577 | } |
---|
[7d4fbcd] | 578 | |
---|
| 579 | return(lines); |
---|
| 580 | } |
---|
| 581 | |
---|
[f7456bc] | 582 | /* Returns the line number, starting at 0, of the character which |
---|
| 583 | * contains the byte at 'offset'. Note that a trailing newline is part |
---|
| 584 | * of the line it ends. Also, while a trailing line of formatting |
---|
| 585 | * characters does not contribute to owl_fmtext_num_lines, those |
---|
| 586 | * characters are considered on a new line. */ |
---|
| 587 | int owl_fmtext_line_number(const owl_fmtext *f, int offset) |
---|
| 588 | { |
---|
| 589 | int i, lineno = 0; |
---|
| 590 | if (offset >= f->textlen) |
---|
| 591 | offset = f->textlen - 1; |
---|
| 592 | for (i = 0; i < offset; i++) { |
---|
| 593 | if (f->textbuff[i] == '\n') |
---|
| 594 | lineno++; |
---|
| 595 | } |
---|
| 596 | return lineno; |
---|
| 597 | } |
---|
| 598 | |
---|
[7ba2ad4] | 599 | /* Searches for line 'lineno' in 'f'. The returned range, [start, |
---|
| 600 | * end), forms a half-open interval for the extent of the line. */ |
---|
| 601 | void owl_fmtext_line_extents(const owl_fmtext *f, int lineno, int *o_start, int *o_end) |
---|
| 602 | { |
---|
| 603 | int start, end; |
---|
| 604 | char *newline; |
---|
| 605 | for (start = 0; lineno > 0 && start < f->textlen; start++) { |
---|
| 606 | if (f->textbuff[start] == '\n') |
---|
| 607 | lineno--; |
---|
| 608 | } |
---|
| 609 | newline = strchr(f->textbuff + start, '\n'); |
---|
| 610 | /* Include the newline, if it is there. */ |
---|
| 611 | end = newline ? newline - f->textbuff + 1 : f->textlen; |
---|
| 612 | if (o_start) *o_start = start; |
---|
| 613 | if (o_end) *o_end = end; |
---|
| 614 | } |
---|
| 615 | |
---|
[075ba92] | 616 | const char *owl_fmtext_get_text(const owl_fmtext *f) |
---|
[5789230] | 617 | { |
---|
[7d4fbcd] | 618 | return(f->textbuff); |
---|
| 619 | } |
---|
| 620 | |
---|
[6772d19] | 621 | int owl_fmtext_num_bytes(const owl_fmtext *f) |
---|
| 622 | { |
---|
| 623 | return(f->textlen); |
---|
| 624 | } |
---|
| 625 | |
---|
[a0a5179] | 626 | /* set the charater at 'index' to be 'char'. If index is out of |
---|
[9866c3a] | 627 | * bounds don't do anything. If c or char at index is not ASCII, don't |
---|
| 628 | * do anything because it's not UTF-8 safe. */ |
---|
| 629 | void owl_fmtext_set_char(owl_fmtext *f, int index, char ch) |
---|
[5789230] | 630 | { |
---|
[4b464a4] | 631 | if ((index < 0) || (index > f->textlen-1)) return; |
---|
[9866c3a] | 632 | /* NOT ASCII*/ |
---|
| 633 | if (f->textbuff[index] & 0x80 || ch & 0x80) return; |
---|
[4b464a4] | 634 | f->textbuff[index]=ch; |
---|
| 635 | } |
---|
| 636 | |
---|
[b2b0773] | 637 | /* Make a copy of the fmtext 'src' into 'dst' */ |
---|
[075ba92] | 638 | void owl_fmtext_copy(owl_fmtext *dst, const owl_fmtext *src) |
---|
[5789230] | 639 | { |
---|
[b2b0773] | 640 | int mallocsize; |
---|
| 641 | |
---|
| 642 | if (src->textlen==0) { |
---|
| 643 | mallocsize=5; |
---|
| 644 | } else { |
---|
| 645 | mallocsize=src->textlen+2; |
---|
| 646 | } |
---|
[7d4fbcd] | 647 | dst->textlen=src->textlen; |
---|
[005fc22] | 648 | dst->bufflen=mallocsize; |
---|
[bd3f232] | 649 | dst->textbuff=owl_malloc(mallocsize); |
---|
[6bf73ce] | 650 | memcpy(dst->textbuff, src->textbuff, src->textlen+1); |
---|
[9866c3a] | 651 | dst->default_attrs = src->default_attrs; |
---|
| 652 | dst->default_fgcolor = src->default_fgcolor; |
---|
| 653 | dst->default_bgcolor = src->default_bgcolor; |
---|
[1fd0b25] | 654 | } |
---|
| 655 | |
---|
[72f613a] | 656 | /* Search 'f' for the regex 're' for matches starting at |
---|
| 657 | * 'start'. Returns the offset of the first match, -1 if not |
---|
| 658 | * found. This is a case-insensitive search. |
---|
[5789230] | 659 | */ |
---|
[72f613a] | 660 | int owl_fmtext_search(const owl_fmtext *f, const owl_regex *re, int start) |
---|
[5789230] | 661 | { |
---|
[72f613a] | 662 | int offset; |
---|
| 663 | if (start > f->textlen || |
---|
| 664 | owl_regex_compare(re, f->textbuff + start, &offset, NULL) != 0) |
---|
| 665 | return -1; |
---|
| 666 | return offset + start; |
---|
[1fd0b25] | 667 | } |
---|
[12c35df] | 668 | |
---|
| 669 | |
---|
| 670 | /* Append the text 'text' to 'f' and interpret the zephyr style |
---|
| 671 | * formatting syntax to set appropriate attributes. |
---|
| 672 | */ |
---|
[e19eb97] | 673 | void owl_fmtext_append_ztext(owl_fmtext *f, const char *text) |
---|
[12c35df] | 674 | { |
---|
| 675 | int stacksize, curattrs, curcolor; |
---|
[e19eb97] | 676 | const char *ptr, *txtptr, *tmpptr; |
---|
[65b2173] | 677 | char *buff; |
---|
[d754b0a] | 678 | int attrstack[32], chrstack[32], colorstack[32]; |
---|
[12c35df] | 679 | |
---|
| 680 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
| 681 | curcolor=OWL_COLOR_DEFAULT; |
---|
| 682 | stacksize=0; |
---|
| 683 | txtptr=text; |
---|
| 684 | while (1) { |
---|
| 685 | ptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 686 | if (!ptr) { |
---|
| 687 | /* add all the rest of the text and exit */ |
---|
[8fa9562] | 688 | owl_fmtext_append_attr(f, txtptr, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 689 | return; |
---|
| 690 | } else if (ptr[0]=='@') { |
---|
| 691 | /* add the text up to this point then deal with the stack */ |
---|
| 692 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 693 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 694 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 695 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 696 | owl_free(buff); |
---|
| 697 | |
---|
| 698 | /* update pointer to point at the @ */ |
---|
| 699 | txtptr=ptr; |
---|
| 700 | |
---|
| 701 | /* now the stack */ |
---|
| 702 | |
---|
| 703 | /* if we've hit our max stack depth, print the @ and move on */ |
---|
| 704 | if (stacksize==32) { |
---|
[1bdffcb] | 705 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 706 | txtptr++; |
---|
| 707 | continue; |
---|
[12c35df] | 708 | } |
---|
| 709 | |
---|
| 710 | /* if it's an @@, print an @ and continue */ |
---|
| 711 | if (txtptr[1]=='@') { |
---|
[1bdffcb] | 712 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 713 | txtptr+=2; |
---|
| 714 | continue; |
---|
[12c35df] | 715 | } |
---|
[1bdffcb] | 716 | |
---|
[12c35df] | 717 | /* if there's no opener, print the @ and continue */ |
---|
| 718 | tmpptr=strpbrk(txtptr, "(<[{ "); |
---|
| 719 | if (!tmpptr || tmpptr[0]==' ') { |
---|
[1bdffcb] | 720 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 721 | txtptr++; |
---|
| 722 | continue; |
---|
[12c35df] | 723 | } |
---|
| 724 | |
---|
| 725 | /* check what command we've got, push it on the stack, start |
---|
[1bdffcb] | 726 | using it, and continue ... unless it's a color command */ |
---|
[12c35df] | 727 | buff=owl_malloc(tmpptr-ptr+20); |
---|
| 728 | strncpy(buff, ptr, tmpptr-ptr); |
---|
| 729 | buff[tmpptr-ptr]='\0'; |
---|
| 730 | if (!strcasecmp(buff, "@bold")) { |
---|
[1bdffcb] | 731 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 732 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 733 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 734 | stacksize++; |
---|
| 735 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 736 | txtptr+=6; |
---|
| 737 | owl_free(buff); |
---|
| 738 | continue; |
---|
[12c35df] | 739 | } else if (!strcasecmp(buff, "@b")) { |
---|
[1bdffcb] | 740 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 741 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 742 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 743 | stacksize++; |
---|
| 744 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 745 | txtptr+=3; |
---|
| 746 | owl_free(buff); |
---|
| 747 | continue; |
---|
[12c35df] | 748 | } else if (!strcasecmp(buff, "@i")) { |
---|
[1bdffcb] | 749 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 750 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 751 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 752 | stacksize++; |
---|
| 753 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 754 | txtptr+=3; |
---|
| 755 | owl_free(buff); |
---|
| 756 | continue; |
---|
[12c35df] | 757 | } else if (!strcasecmp(buff, "@italic")) { |
---|
[1bdffcb] | 758 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 759 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 760 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 761 | stacksize++; |
---|
| 762 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 763 | txtptr+=8; |
---|
| 764 | owl_free(buff); |
---|
| 765 | continue; |
---|
[d754b0a] | 766 | } else if (!strcasecmp(buff, "@")) { |
---|
| 767 | attrstack[stacksize]=OWL_FMTEXT_ATTR_NONE; |
---|
| 768 | chrstack[stacksize]=tmpptr[0]; |
---|
| 769 | colorstack[stacksize]=curcolor; |
---|
| 770 | stacksize++; |
---|
| 771 | txtptr+=2; |
---|
| 772 | owl_free(buff); |
---|
| 773 | continue; |
---|
[1bdffcb] | 774 | |
---|
| 775 | /* if it's a color read the color, set the current color and |
---|
[12c35df] | 776 | continue */ |
---|
| 777 | } else if (!strcasecmp(buff, "@color") |
---|
[1bdffcb] | 778 | && owl_global_get_hascolors(&g) |
---|
| 779 | && owl_global_is_colorztext(&g)) { |
---|
| 780 | owl_free(buff); |
---|
| 781 | txtptr+=7; |
---|
| 782 | tmpptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 783 | if (tmpptr && |
---|
| 784 | ((txtptr[-1]=='(' && tmpptr[0]==')') || |
---|
| 785 | (txtptr[-1]=='<' && tmpptr[0]=='>') || |
---|
| 786 | (txtptr[-1]=='[' && tmpptr[0]==']') || |
---|
| 787 | (txtptr[-1]=='{' && tmpptr[0]=='}'))) { |
---|
| 788 | |
---|
| 789 | /* grab the color name */ |
---|
| 790 | buff=owl_malloc(tmpptr-txtptr+20); |
---|
| 791 | strncpy(buff, txtptr, tmpptr-txtptr); |
---|
| 792 | buff[tmpptr-txtptr]='\0'; |
---|
| 793 | |
---|
| 794 | /* set it as the current color */ |
---|
| 795 | curcolor=owl_util_string_to_color(buff); |
---|
[1ee5c79] | 796 | if (curcolor == OWL_COLOR_INVALID) |
---|
| 797 | curcolor = OWL_COLOR_DEFAULT; |
---|
[1bdffcb] | 798 | owl_free(buff); |
---|
| 799 | txtptr=tmpptr+1; |
---|
| 800 | continue; |
---|
| 801 | |
---|
| 802 | } else { |
---|
| 803 | |
---|
| 804 | } |
---|
[12c35df] | 805 | |
---|
| 806 | } else { |
---|
[1bdffcb] | 807 | /* if we didn't understand it, we'll print it. This is different from zwgc |
---|
| 808 | * but zwgc seems to be smarter about some screw cases than I am |
---|
| 809 | */ |
---|
| 810 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 811 | txtptr++; |
---|
| 812 | continue; |
---|
[12c35df] | 813 | } |
---|
| 814 | |
---|
| 815 | } else if (ptr[0]=='}' || ptr[0]==']' || ptr[0]==')' || ptr[0]=='>') { |
---|
| 816 | /* add the text up to this point first */ |
---|
| 817 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 818 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 819 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 820 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 821 | owl_free(buff); |
---|
| 822 | |
---|
| 823 | /* now deal with the closer */ |
---|
| 824 | txtptr=ptr; |
---|
| 825 | |
---|
| 826 | /* first, if the stack is empty we must bail (just print and go) */ |
---|
| 827 | if (stacksize==0) { |
---|
[1bdffcb] | 828 | buff=owl_malloc(5); |
---|
| 829 | buff[0]=ptr[0]; |
---|
| 830 | buff[1]='\0'; |
---|
| 831 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 832 | owl_free(buff); |
---|
| 833 | txtptr++; |
---|
| 834 | continue; |
---|
[12c35df] | 835 | } |
---|
| 836 | |
---|
| 837 | /* if the closing char is what's on the stack, turn off the |
---|
| 838 | attribue and pop the stack */ |
---|
| 839 | if ((ptr[0]==')' && chrstack[stacksize-1]=='(') || |
---|
[1bdffcb] | 840 | (ptr[0]=='>' && chrstack[stacksize-1]=='<') || |
---|
| 841 | (ptr[0]==']' && chrstack[stacksize-1]=='[') || |
---|
| 842 | (ptr[0]=='}' && chrstack[stacksize-1]=='{')) { |
---|
| 843 | int i; |
---|
| 844 | stacksize--; |
---|
| 845 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
[d754b0a] | 846 | curcolor = colorstack[stacksize]; |
---|
[1bdffcb] | 847 | for (i=0; i<stacksize; i++) { |
---|
| 848 | curattrs|=attrstack[i]; |
---|
| 849 | } |
---|
| 850 | txtptr+=1; |
---|
| 851 | continue; |
---|
[12c35df] | 852 | } else { |
---|
[1bdffcb] | 853 | /* otherwise print and continue */ |
---|
| 854 | buff=owl_malloc(5); |
---|
| 855 | buff[0]=ptr[0]; |
---|
| 856 | buff[1]='\0'; |
---|
| 857 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 858 | owl_free(buff); |
---|
| 859 | txtptr++; |
---|
| 860 | continue; |
---|
[12c35df] | 861 | } |
---|
| 862 | } else { |
---|
| 863 | /* we've found an unattached opener, print everything and move on */ |
---|
| 864 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 865 | strncpy(buff, txtptr, ptr-txtptr+1); |
---|
| 866 | buff[ptr-txtptr+1]='\0'; |
---|
[8fa9562] | 867 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 868 | owl_free(buff); |
---|
| 869 | txtptr=ptr+1; |
---|
| 870 | continue; |
---|
| 871 | } |
---|
| 872 | } |
---|
| 873 | } |
---|
[a0a5179] | 874 | |
---|
| 875 | /* requires that the list values are strings or NULL. |
---|
| 876 | * joins the elements together with join_with. |
---|
| 877 | * If format_fn is specified, passes it the list element value |
---|
| 878 | * and it will return a string which this needs to free. */ |
---|
[77bced3] | 879 | void owl_fmtext_append_list(owl_fmtext *f, const owl_list *l, const char *join_with, char *(format_fn)(const char *)) |
---|
[a0a5179] | 880 | { |
---|
| 881 | int i, size; |
---|
[e19eb97] | 882 | const char *elem; |
---|
[a0a5179] | 883 | char *text; |
---|
| 884 | |
---|
| 885 | size = owl_list_get_size(l); |
---|
| 886 | for (i=0; i<size; i++) { |
---|
[4d86e06] | 887 | elem = owl_list_get_element(l,i); |
---|
[a0a5179] | 888 | if (elem && format_fn) { |
---|
| 889 | text = format_fn(elem); |
---|
| 890 | if (text) { |
---|
[1bdffcb] | 891 | owl_fmtext_append_normal(f, text); |
---|
| 892 | owl_free(text); |
---|
[a0a5179] | 893 | } |
---|
| 894 | } else if (elem) { |
---|
| 895 | owl_fmtext_append_normal(f, elem); |
---|
| 896 | } |
---|
| 897 | if ((i < size-1) && join_with) { |
---|
| 898 | owl_fmtext_append_normal(f, join_with); |
---|
| 899 | } |
---|
| 900 | } |
---|
| 901 | } |
---|
| 902 | |
---|
| 903 | /* Free all memory allocated by the object */ |
---|
[7ab0020] | 904 | void owl_fmtext_cleanup(owl_fmtext *f) |
---|
[a0a5179] | 905 | { |
---|
| 906 | if (f->textbuff) owl_free(f->textbuff); |
---|
[8fa9562] | 907 | } |
---|
| 908 | |
---|
| 909 | /*** Color Pair manager ***/ |
---|
| 910 | void owl_fmtext_init_colorpair_mgr(owl_colorpair_mgr *cpmgr) |
---|
| 911 | { |
---|
[af1920fd] | 912 | /* This could be a bitarray if we wanted to save memory. */ |
---|
[c2c5c77] | 913 | short i, j; |
---|
| 914 | cpmgr->next = 8; |
---|
| 915 | |
---|
[af1920fd] | 916 | /* The test is <= because we allocate COLORS+1 entries. */ |
---|
[c2c5c77] | 917 | cpmgr->pairs = owl_malloc((COLORS+1) * sizeof(short*)); |
---|
| 918 | for(i = 0; i <= COLORS; i++) { |
---|
| 919 | cpmgr->pairs[i] = owl_malloc((COLORS+1) * sizeof(short)); |
---|
| 920 | for(j = 0; j <= COLORS; j++) { |
---|
[8fa9562] | 921 | cpmgr->pairs[i][j] = -1; |
---|
| 922 | } |
---|
| 923 | } |
---|
[fa3290d] | 924 | if (owl_global_get_hascolors(&g)) { |
---|
| 925 | for(i = 0; i < 8; i++) { |
---|
| 926 | short fg, bg; |
---|
| 927 | if (i >= COLORS) continue; |
---|
| 928 | pair_content(i, &fg, &bg); |
---|
| 929 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
| 930 | } |
---|
[c2c5c77] | 931 | } |
---|
[a0a5179] | 932 | } |
---|
| 933 | |
---|
[8fa9562] | 934 | /* Reset used list */ |
---|
[c79a047] | 935 | void owl_fmtext_reset_colorpairs(void) |
---|
[8fa9562] | 936 | { |
---|
[fa3290d] | 937 | if (owl_global_get_hascolors(&g)) { |
---|
| 938 | short i, j; |
---|
| 939 | owl_colorpair_mgr *cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 940 | cpmgr->next = 8; |
---|
| 941 | |
---|
[af1920fd] | 942 | /* The test is <= because we allocated COLORS+1 entries. */ |
---|
[fa3290d] | 943 | for(i = 0; i <= COLORS; i++) { |
---|
| 944 | for(j = 0; j <= COLORS; j++) { |
---|
| 945 | cpmgr->pairs[i][j] = -1; |
---|
| 946 | } |
---|
| 947 | } |
---|
| 948 | for(i = 0; i < 8; i++) { |
---|
| 949 | short fg, bg; |
---|
| 950 | if (i >= COLORS) continue; |
---|
| 951 | pair_content(i, &fg, &bg); |
---|
| 952 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
[eeeef20] | 953 | } |
---|
[c2c5c77] | 954 | } |
---|
[8fa9562] | 955 | } |
---|
| 956 | |
---|
| 957 | /* Assign pairs by request */ |
---|
[1bdffcb] | 958 | short owl_fmtext_get_colorpair(int fg, int bg) |
---|
[8fa9562] | 959 | { |
---|
| 960 | owl_colorpair_mgr *cpmgr; |
---|
[423adcb] | 961 | short pair; |
---|
[1bdffcb] | 962 | |
---|
[1b737a1] | 963 | /* Sanity (Bounds) Check */ |
---|
| 964 | if (fg > COLORS || fg < OWL_COLOR_DEFAULT) fg = OWL_COLOR_DEFAULT; |
---|
| 965 | if (bg > COLORS || bg < OWL_COLOR_DEFAULT) bg = OWL_COLOR_DEFAULT; |
---|
| 966 | |
---|
[1bdffcb] | 967 | #ifdef HAVE_USE_DEFAULT_COLORS |
---|
[8fa9562] | 968 | if (fg == OWL_COLOR_DEFAULT) fg = -1; |
---|
[1bdffcb] | 969 | #else |
---|
| 970 | if (fg == OWL_COLOR_DEFAULT) fg = 0; |
---|
| 971 | if (bg == OWL_COLOR_DEFAULT) bg = 0; |
---|
| 972 | #endif |
---|
| 973 | |
---|
[af1920fd] | 974 | /* looking for a pair we already set up for this draw. */ |
---|
[c2c5c77] | 975 | cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 976 | pair = cpmgr->pairs[fg+1][bg+1]; |
---|
| 977 | if (!(pair != -1 && pair < cpmgr->next)) { |
---|
[af1920fd] | 978 | /* If we didn't find a pair, search for a free one to assign. */ |
---|
[c2c5c77] | 979 | pair = (cpmgr->next < COLOR_PAIRS) ? cpmgr->next : -1; |
---|
| 980 | if (pair != -1) { |
---|
[af1920fd] | 981 | /* We found a free pair, initialize it. */ |
---|
[c2c5c77] | 982 | init_pair(pair, fg, bg); |
---|
| 983 | cpmgr->pairs[fg+1][bg+1] = pair; |
---|
| 984 | cpmgr->next++; |
---|
| 985 | } |
---|
| 986 | else if (bg != OWL_COLOR_DEFAULT) { |
---|
[af1920fd] | 987 | /* We still don't have a pair, drop the background color. Too bad. */ |
---|
[c2c5c77] | 988 | owl_function_debugmsg("colorpairs: color shortage - dropping background color."); |
---|
| 989 | pair = owl_fmtext_get_colorpair(fg, OWL_COLOR_DEFAULT); |
---|
| 990 | } |
---|
| 991 | else { |
---|
[af1920fd] | 992 | /* We still don't have a pair, defaults all around. */ |
---|
[c2c5c77] | 993 | owl_function_debugmsg("colorpairs: color shortage - dropping foreground and background color."); |
---|
| 994 | pair = 0; |
---|
[8fa9562] | 995 | } |
---|
| 996 | } |
---|
| 997 | return pair; |
---|
| 998 | } |
---|