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// color names and functions for dealing with colors
#include "ted.h"
typedef struct {
ColorSetting setting;
const char *name;
} ColorName;
static ColorName color_names[] = {
{COLOR_UNKNOWN, "unknown"},
{COLOR_TEXT, "text"},
{COLOR_TEXT_SECONDARY, "text-secondary"},
{COLOR_BG, "bg"},
{COLOR_HL, "hl"},
{COLOR_CURSOR, "cursor"},
{COLOR_CURSOR_ERROR, "cursor-error"},
{COLOR_CURSOR_LINE_BG, "cursor-line-bg"},
{COLOR_VIEW_ONLY_CURSOR, "view-only-cursor"},
{COLOR_VIEW_ONLY_SELECTION_BG, "view-only-selection-bg"},
{COLOR_MATCHING_BRACKET_HL, "matching-bracket-hl"},
{COLOR_BORDER, "border"},
{COLOR_TEXT_FOLDER, "text-folder"},
{COLOR_TEXT_OTHER, "text-other"},
{COLOR_SELECTION_BG, "selection-bg"},
{COLOR_MENU_BACKDROP, "menu-backdrop"},
{COLOR_MENU_BG, "menu-bg"},
{COLOR_MENU_HL, "menu-hl"},
{COLOR_ERROR_BG, "error-bg"},
{COLOR_ERROR_BORDER, "error-border"},
{COLOR_INFO_BG, "info-bg"},
{COLOR_INFO_BORDER, "info-border"},
{COLOR_WARNING_BG, "warning-bg"},
{COLOR_WARNING_BORDER, "warning-border"},
{COLOR_ACTIVE_TAB_HL, "active-tab-hl"},
{COLOR_SELECTED_TAB_HL, "selected-tab-hl"},
{COLOR_FIND_HL, "find-hl"},
{COLOR_KEYWORD, "keyword"},
{COLOR_BUILTIN, "builtin"},
{COLOR_COMMENT, "comment"},
{COLOR_PREPROCESSOR, "preprocessor"},
{COLOR_STRING, "string"},
{COLOR_CHARACTER, "character"},
{COLOR_CONSTANT, "constant"},
{COLOR_AUTOCOMPLETE_BG, "autocomplete-bg"},
{COLOR_AUTOCOMPLETE_HL, "autocomplete-hl"},
{COLOR_AUTOCOMPLETE_BORDER, "autocomplete-border"},
{COLOR_AUTOCOMPLETE_VARIABLE, "autocomplete-variable"},
{COLOR_AUTOCOMPLETE_FUNCTION, "autocomplete-function"},
{COLOR_AUTOCOMPLETE_TYPE, "autocomplete-type"},
{COLOR_HOVER_BORDER, "hover-border"},
{COLOR_HOVER_BG, "hover-bg"},
{COLOR_HOVER_TEXT, "hover-text"},
{COLOR_HOVER_HL, "hover-hl"},
{COLOR_YES, "yes"},
{COLOR_NO, "no"},
{COLOR_CANCEL, "cancel"},
{COLOR_LINE_NUMBERS, "line-numbers"},
{COLOR_CURSOR_LINE_NUMBER, "cursor-line-number"},
{COLOR_LINE_NUMBERS_SEPARATOR, "line-numbers-separator"},
};
static_assert_if_possible(arr_count(color_names) == COLOR_COUNT)
int color_name_cmp(const void *av, const void *bv) {
const ColorName *a = av, *b = bv;
return strcmp(a->name, b->name);
}
void color_init(void) {
qsort(color_names, arr_count(color_names), sizeof *color_names, color_name_cmp);
}
ColorSetting color_setting_from_str(const char *str) {
int lo = 0;
int hi = COLOR_COUNT;
while (lo < hi) {
int mid = (lo + hi) / 2;
int cmp = strcmp(color_names[mid].name, str);
if (cmp < 0) {
lo = mid + 1;
} else if (cmp > 0) {
hi = mid;
} else {
return color_names[mid].setting;
}
}
return COLOR_UNKNOWN;
}
const char *color_setting_to_str(ColorSetting s) {
for (int i = 0; i < COLOR_COUNT; ++i) {
ColorName const *n = &color_names[i];
if (n->setting == s)
return n->name;
}
return "???";
}
// converts #rrggbb/#rrggbbaa to a color. returns false if it's not in the right format.
Status color_from_str(const char *str, u32 *color) {
uint r = 0, g = 0, b = 0, a = 0xff;
bool success = false;
switch (strlen(str)) {
case 4:
success = sscanf(str, "#%01x%01x%01x", &r, &g, &b) == 3;
// extend single hex digit to double hex digit
r |= r << 4;
g |= g << 4;
b |= b << 4;
break;
case 5:
success = sscanf(str, "#%01x%01x%01x%01x", &r, &g, &b, &a) == 4;
r |= r << 4;
g |= g << 4;
b |= b << 4;
a |= a << 4;
break;
case 7:
success = sscanf(str, "#%02x%02x%02x", &r, &g, &b) == 3;
break;
case 9:
success = sscanf(str, "#%02x%02x%02x%02x", &r, &g, &b, &a) == 4;
break;
}
if (!success || r > 0xff || g > 0xff || b > 0xff || a > 0xff)
return false;
if (color)
*color = (u32)r << 24 | (u32)g << 16 | (u32)b << 8 | (u32)a;
return true;
}
ColorSetting color_for_symbol_kind(SymbolKind kind) {
switch (kind) {
case SYMBOL_CONSTANT:
return COLOR_CONSTANT;
case SYMBOL_TYPE:
return COLOR_AUTOCOMPLETE_TYPE;
case SYMBOL_FIELD:
case SYMBOL_VARIABLE:
return COLOR_AUTOCOMPLETE_VARIABLE;
case SYMBOL_FUNCTION:
return COLOR_AUTOCOMPLETE_FUNCTION;
case SYMBOL_OTHER:
return COLOR_TEXT;
case SYMBOL_KEYWORD:
return COLOR_KEYWORD;
}
return COLOR_TEXT;
}
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