/* Parse the color name, or pair of color names, in combostr. */ bool parse_color_names(char *combostr, short *fg, short *bg, bool *bright) { bool no_fgcolor = FALSE; if (combostr == NULL) return FALSE; if (strchr(combostr, ',') != NULL) { char *bgcolorname; strtok(combostr, ","); bgcolorname = strtok(NULL, ","); if (bgcolorname == NULL) { /* If we have a background color without a foreground color, * parse it properly. */ bgcolorname = combostr + 1; no_fgcolor = TRUE; } if (strncasecmp(bgcolorname, "bright", 6) == 0) { rcfile_error(N_("Background color \"%s\" cannot be bright"), bgcolorname); return FALSE; } *bg = color_to_short(bgcolorname, bright); } else *bg = -1; if (!no_fgcolor) { *fg = color_to_short(combostr, bright); /* Don't try to parse screwed-up foreground colors. */ if (*fg == -1) return FALSE; } else *fg = -1; return TRUE; }
/* Parse the color string in the line at ptr, and add it to the current * file's associated colors. If icase is TRUE, treat the color string * as case insensitive. */ void parse_colors(char *ptr, bool icase) { short fg, bg; bool bright = FALSE, no_fgcolor = FALSE; char *fgstr; assert(ptr != NULL); if (syntaxes == NULL) { rcfile_error( N_("Cannot add a color command without a syntax command")); return; } if (*ptr == '\0') { rcfile_error(N_("Missing color name")); return; } fgstr = ptr; ptr = parse_next_word(ptr); if (strchr(fgstr, ',') != NULL) { char *bgcolorname; strtok(fgstr, ","); bgcolorname = strtok(NULL, ","); if (bgcolorname == NULL) { /* If we have a background color without a foreground color, * parse it properly. */ bgcolorname = fgstr + 1; no_fgcolor = TRUE; } if (strncasecmp(bgcolorname, "bright", 6) == 0) { rcfile_error( N_("Background color \"%s\" cannot be bright"), bgcolorname); return; } bg = color_to_short(bgcolorname, &bright); } else bg = -1; if (!no_fgcolor) { fg = color_to_short(fgstr, &bright); /* Don't try to parse screwed-up foreground colors. */ if (fg == -1) return; } else fg = -1; if (*ptr == '\0') { rcfile_error(N_("Missing regex string")); return; } /* Now for the fun part. Start adding regexes to individual strings * in the colorstrings array, woo! */ while (ptr != NULL && *ptr != '\0') { colortype *newcolor; /* The new color structure. */ bool cancelled = FALSE; /* The start expression was bad. */ bool expectend = FALSE; /* Do we expect an end= line? */ if (strncasecmp(ptr, "start=", 6) == 0) { ptr += 6; expectend = TRUE; } if (*ptr != '"') { rcfile_error( N_("Regex strings must begin and end with a \" character")); ptr = parse_next_regex(ptr); continue; } ptr++; fgstr = ptr; ptr = parse_next_regex(ptr); if (ptr == NULL) break; newcolor = (colortype *)nmalloc(sizeof(colortype)); /* Save the starting regex string if it's valid, and set up the * color information. */ if (nregcomp(fgstr, icase ? REG_ICASE : 0)) { newcolor->fg = fg; newcolor->bg = bg; newcolor->bright = bright; newcolor->icase = icase; newcolor->start_regex = mallocstrcpy(NULL, fgstr); newcolor->start = NULL; newcolor->end_regex = NULL; newcolor->end = NULL; newcolor->next = NULL; if (endcolor == NULL) { endsyntax->color = newcolor; #ifdef DEBUG fprintf(stderr, "Starting a new colorstring for fg %hd, bg %hd\n", fg, bg); #endif } else { #ifdef DEBUG fprintf(stderr, "Adding new entry for fg %hd, bg %hd\n", fg, bg); #endif endcolor->next = newcolor; } endcolor = newcolor; } else { free(newcolor); cancelled = TRUE; } if (expectend) { if (ptr == NULL || strncasecmp(ptr, "end=", 4) != 0) { rcfile_error( N_("\"start=\" requires a corresponding \"end=\"")); return; } ptr += 4; if (*ptr != '"') { rcfile_error( N_("Regex strings must begin and end with a \" character")); continue; } ptr++; fgstr = ptr; ptr = parse_next_regex(ptr); if (ptr == NULL) break; /* If the start regex was invalid, skip past the end regex to * stay in sync. */ if (cancelled) continue; /* Save the ending regex string if it's valid. */ newcolor->end_regex = (nregcomp(fgstr, icase ? REG_ICASE : 0)) ? mallocstrcpy(NULL, fgstr) : NULL; /* Lame way to skip another static counter */ newcolor->id = endsyntax->nmultis; endsyntax->nmultis++; } } }