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Annotation of src/usr.bin/tmux/attributes.c, Revision 1.11

1.11    ! nicm        1: /* $OpenBSD: attributes.c,v 1.10 2019/12/03 10:47:22 nicm Exp $ */
1.1       nicm        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 *
1.7       nicm       26: attributes_tostring(int attr)
1.1       nicm       27: {
1.8       nicm       28:        static char     buf[512];
1.5       nicm       29:        size_t          len;
1.1       nicm       30:
1.3       nicm       31:        if (attr == 0)
1.4       nicm       32:                return ("none");
1.1       nicm       33:
1.11    ! nicm       34:        len = xsnprintf(buf, sizeof buf, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
        !            35:            (attr & GRID_ATTR_CHARSET) ? "acs," : "",
1.6       nicm       36:            (attr & GRID_ATTR_BRIGHT) ? "bright," : "",
                     37:            (attr & GRID_ATTR_DIM) ? "dim," : "",
                     38:            (attr & GRID_ATTR_UNDERSCORE) ? "underscore," : "",
                     39:            (attr & GRID_ATTR_BLINK)? "blink," : "",
                     40:            (attr & GRID_ATTR_REVERSE) ? "reverse," : "",
                     41:            (attr & GRID_ATTR_HIDDEN) ? "hidden," : "",
1.7       nicm       42:            (attr & GRID_ATTR_ITALICS) ? "italics," : "",
1.8       nicm       43:            (attr & GRID_ATTR_STRIKETHROUGH) ? "strikethrough," : "",
                     44:            (attr & GRID_ATTR_UNDERSCORE_2) ? "double-underscore," : "",
                     45:            (attr & GRID_ATTR_UNDERSCORE_3) ? "curly-underscore," : "",
                     46:            (attr & GRID_ATTR_UNDERSCORE_4) ? "dotted-underscore," : "",
1.9       nicm       47:            (attr & GRID_ATTR_UNDERSCORE_5) ? "dashed-underscore," : "",
                     48:            (attr & GRID_ATTR_OVERLINE) ? "overline," : "");
1.5       nicm       49:        if (len > 0)
                     50:                buf[len - 1] = '\0';
1.1       nicm       51:
                     52:        return (buf);
                     53: }
                     54:
                     55: int
                     56: attributes_fromstring(const char *str)
                     57: {
                     58:        const char      delimiters[] = " ,|";
1.7       nicm       59:        int             attr;
1.1       nicm       60:        size_t          end;
1.8       nicm       61:        u_int           i;
                     62:        struct {
1.10      nicm       63:                const char      *name;
                     64:                int              attr;
1.8       nicm       65:        } table[] = {
1.11    ! nicm       66:                { "acs", GRID_ATTR_CHARSET },
1.8       nicm       67:                { "bright", GRID_ATTR_BRIGHT },
                     68:                { "bold", GRID_ATTR_BRIGHT },
                     69:                { "dim", GRID_ATTR_DIM },
                     70:                { "underscore", GRID_ATTR_UNDERSCORE },
                     71:                { "blink", GRID_ATTR_BLINK },
                     72:                { "reverse", GRID_ATTR_REVERSE },
                     73:                { "hidden", GRID_ATTR_HIDDEN },
                     74:                { "italics", GRID_ATTR_ITALICS },
                     75:                { "strikethrough", GRID_ATTR_STRIKETHROUGH },
                     76:                { "double-underscore", GRID_ATTR_UNDERSCORE_2 },
                     77:                { "curly-underscore", GRID_ATTR_UNDERSCORE_3 },
                     78:                { "dotted-underscore", GRID_ATTR_UNDERSCORE_4 },
1.9       nicm       79:                { "dashed-underscore", GRID_ATTR_UNDERSCORE_5 },
                     80:                { "overline", GRID_ATTR_OVERLINE }
1.8       nicm       81:        };
1.1       nicm       82:
                     83:        if (*str == '\0' || strcspn(str, delimiters) == 0)
                     84:                return (-1);
                     85:        if (strchr(delimiters, str[strlen(str) - 1]) != NULL)
                     86:                return (-1);
                     87:
1.4       nicm       88:        if (strcasecmp(str, "default") == 0 || strcasecmp(str, "none") == 0)
1.1       nicm       89:                return (0);
                     90:
1.3       nicm       91:        attr = 0;
1.1       nicm       92:        do {
                     93:                end = strcspn(str, delimiters);
1.8       nicm       94:                for (i = 0; i < nitems(table); i++) {
                     95:                        if (end != strlen(table[i].name))
                     96:                                continue;
                     97:                        if (strncasecmp(str, table[i].name, end) == 0) {
                     98:                                attr |= table[i].attr;
                     99:                                break;
                    100:                        }
                    101:                }
                    102:                if (i == nitems(table))
1.1       nicm      103:                        return (-1);
                    104:                str += end + strspn(str + end, delimiters);
                    105:        } while (*str != '\0');
                    106:
1.3       nicm      107:        return (attr);
1.1       nicm      108: }