make it simple, but not simpler

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/ansi.php b/lib/ansi.php
new file mode 100644
index 0000000..9e0a425
--- /dev/null
+++ b/lib/ansi.php
@@ -0,0 +1,32 @@
+<?php
+
+enum AnsiColor: int {
+    case BLACK   = 0;
+    case RED     = 1;
+    case GREEN   = 2;
+    case YELLOW  = 3;
+    case BLUE    = 4;
+    case MAGENTA = 5;
+    case CYAN    = 6;
+    case WHITE   = 7;
+}
+
+function ansi(string $text,
+              ?AnsiColor $fg = null,
+              ?AnsiColor $bg = null,
+              bool $bold = false,
+              bool $fg_bright = false,
+              bool $bg_bright = false): string {
+    $codes = [];
+    if (!is_null($fg))
+        $codes[] = $fg->value + ($fg_bright ? 90 : 30);
+    if (!is_null($bg))
+        $codes[] = $bg->value + ($bg_bright ? 100 : 40);
+    if ($bold)
+        $codes[] = 1;
+
+    if (empty($codes))
+        return $text;
+
+    return "\033[".implode(';', $codes)."m".$text."\033[0m";
+}
\ No newline at end of file