1 /* $OpenBSD: attributes.c,v 1.8 2018/10/18 07:57:57 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <string.h> 22 23 #include "tmux.h" 24 25 const char * 26 attributes_tostring(int attr) 27 { 28 static char buf[512]; 29 size_t len; 30 31 if (attr == 0) 32 return ("none"); 33 34 len = xsnprintf(buf, sizeof buf, "%s%s%s%s%s%s%s%s%s%s%s%s", 35 (attr & GRID_ATTR_BRIGHT) ? "bright," : "", 36 (attr & GRID_ATTR_DIM) ? "dim," : "", 37 (attr & GRID_ATTR_UNDERSCORE) ? "underscore," : "", 38 (attr & GRID_ATTR_BLINK)? "blink," : "", 39 (attr & GRID_ATTR_REVERSE) ? "reverse," : "", 40 (attr & GRID_ATTR_HIDDEN) ? "hidden," : "", 41 (attr & GRID_ATTR_ITALICS) ? "italics," : "", 42 (attr & GRID_ATTR_STRIKETHROUGH) ? "strikethrough," : "", 43 (attr & GRID_ATTR_UNDERSCORE_2) ? "double-underscore," : "", 44 (attr & GRID_ATTR_UNDERSCORE_3) ? "curly-underscore," : "", 45 (attr & GRID_ATTR_UNDERSCORE_4) ? "dotted-underscore," : "", 46 (attr & GRID_ATTR_UNDERSCORE_5) ? "dashed-underscore," : ""); 47 if (len > 0) 48 buf[len - 1] = '\0'; 49 50 return (buf); 51 } 52 53 int 54 attributes_fromstring(const char *str) 55 { 56 const char delimiters[] = " ,|"; 57 int attr; 58 size_t end; 59 u_int i; 60 struct { 61 const char* name; 62 int attr; 63 } table[] = { 64 { "bright", GRID_ATTR_BRIGHT }, 65 { "bold", GRID_ATTR_BRIGHT }, 66 { "dim", GRID_ATTR_DIM }, 67 { "underscore", GRID_ATTR_UNDERSCORE }, 68 { "blink", GRID_ATTR_BLINK }, 69 { "reverse", GRID_ATTR_REVERSE }, 70 { "hidden", GRID_ATTR_HIDDEN }, 71 { "italics", GRID_ATTR_ITALICS }, 72 { "strikethrough", GRID_ATTR_STRIKETHROUGH }, 73 { "double-underscore", GRID_ATTR_UNDERSCORE_2 }, 74 { "curly-underscore", GRID_ATTR_UNDERSCORE_3 }, 75 { "dotted-underscore", GRID_ATTR_UNDERSCORE_4 }, 76 { "dashed-underscore", GRID_ATTR_UNDERSCORE_5 } 77 }; 78 79 if (*str == '\0' || strcspn(str, delimiters) == 0) 80 return (-1); 81 if (strchr(delimiters, str[strlen(str) - 1]) != NULL) 82 return (-1); 83 84 if (strcasecmp(str, "default") == 0 || strcasecmp(str, "none") == 0) 85 return (0); 86 87 attr = 0; 88 do { 89 end = strcspn(str, delimiters); 90 for (i = 0; i < nitems(table); i++) { 91 if (end != strlen(table[i].name)) 92 continue; 93 if (strncasecmp(str, table[i].name, end) == 0) { 94 attr |= table[i].attr; 95 break; 96 } 97 } 98 if (i == nitems(table)) 99 return (-1); 100 str += end + strspn(str + end, delimiters); 101 } while (*str != '\0'); 102 103 return (attr); 104 } 105