terminal colors, multi-line strings; bump to 0.8

2024-03-28 22:44:15 +01:00
parent bd60bf5b27
commit e8d4fb16b1
9 changed files with 230 additions and 34 deletions
--- a/src/main/kotlin/blitz/term/Terminal.kt
+++ b/src/main/kotlin/blitz/term/Terminal.kt
@@ -0,0 +1,70 @@
+package blitz.term
+
+object Terminal {
+    object COLORS {
+        val BLACK = Color(AnsiiMode(30), AnsiiMode(40))
+        val RED = Color(AnsiiMode(31), AnsiiMode(41))
+        val GREEN = Color(AnsiiMode(32), AnsiiMode(42))
+        val YELLOW = Color(AnsiiMode(33), AnsiiMode(43))
+        val BLUE = Color(AnsiiMode(34), AnsiiMode(44))
+        val MAGENTA = Color(AnsiiMode(35), AnsiiMode(45))
+        val CYAN = Color(AnsiiMode(36), AnsiiMode(46))
+        val WHITE = Color(AnsiiMode(37), AnsiiMode(47))
+    }
+
+    object STYLES {
+        val BOLD = AnsiiMode(1)
+        val DIM = AnsiiMode(2)
+        val UNDERLINE = AnsiiMode(4)
+        val BLINK = AnsiiMode(5)
+    }
+
+    class Color(
+        val fg: AnsiiMode,
+        val bg: AnsiiMode,
+        brighterIn: Color? = null,
+        darkerIn: Color? = null
+    ) {
+        private fun ch(mode: AnsiiMode): Int =
+            mode.values[0]
+
+        private fun brighterChannel(va: Int): Int =
+            if (va <= 50) va + 60 else va
+
+        private fun darkerChannel(va: Int): Int =
+            if (va >= 50) va - 60 else va
+
+        val brighter by lazy { Color(AnsiiMode(brighterChannel(ch(fg))), AnsiiMode(brighterChannel(ch(bg)))) }
+        val darker by lazy { Color(AnsiiMode(darkerChannel(ch(fg))), AnsiiMode(darkerChannel(ch(bg)))) }
+    }
+
+    fun encodeString(str: String, vararg modes: AnsiiMode) =
+        ansiiStr(str, *modes)
+
+    fun print(str: String, vararg modes: AnsiiMode) {
+        kotlin.io.print(encodeString(str, *modes))
+    }
+
+    fun println(str: String, vararg modes: AnsiiMode) {
+        kotlin.io.println(encodeString(str, *modes))
+    }
+
+    fun err(str: String, vararg modes: AnsiiMode) {
+        System.err.print(encodeString(str, *modes))
+    }
+
+    fun errln(str: String, vararg modes: AnsiiMode) {
+        System.err.println(encodeString(str, *modes))
+    }
+
+    @Deprecated(
+        "Use errln instead!",
+        ReplaceWith(
+            "errln(str, *modes)",
+            "blitz.term.Terminal.errln"
+        )
+    )
+    fun warn(str: String, vararg modes: AnsiiMode) {
+        errln(str, *modes)
+    }
+}