From 05498860e8f7b1e8bb27880bc7526de026694804 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Fri, 26 Mar 2021 21:55:50 +0100
Subject: Renamed libs

Cleaner and more flexible.
---
 libs/libtxt/keymap.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 libs/libtxt/keymap.c

(limited to 'libs/libtxt/keymap.c')

diff --git a/libs/libtxt/keymap.c b/libs/libtxt/keymap.c
new file mode 100644
index 0000000..67054f6
--- /dev/null
+++ b/libs/libtxt/keymap.c
@@ -0,0 +1,89 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#include <def.h>
+#include <libtxt/keymap.h>
+#include <mem.h>
+#include <print.h>
+#include <sys.h>
+
+static void map(struct keymap *keymap, int line, char ch, int index)
+{
+	switch (line) {
+	case 0:
+		keymap->map[index] = ch;
+		break;
+	case 1:
+		keymap->shift_map[index] = ch;
+		break;
+	case 2:
+		keymap->alt_map[index] = ch;
+		break;
+	default:
+		break;
+	}
+}
+
+// Very ugly code but it should work for now
+struct keymap *keymap_parse(const char *path)
+{
+	char *keymap_src = sread(path);
+	if (!keymap_src)
+		return NULL;
+	struct keymap *keymap = malloc(sizeof(*keymap));
+
+	int index = 0;
+	int ch_index = 0;
+	char ch;
+	int escaped = 0;
+	int line = 0;
+	int skip = 0;
+	while ((ch = keymap_src[index]) != '\0' || escaped) {
+		if (ch == ' ' && !skip) {
+			skip = 1;
+			index++;
+			continue;
+		} else if (ch == '\n') {
+			ch_index = 0;
+			index++;
+			line++;
+			continue;
+		} else if (ch == '\\' && !escaped) {
+			escaped = 1;
+			index++;
+			continue;
+		}
+		skip = 0;
+
+		if (ch == ' ' && !escaped)
+			ch = 0;
+
+		ch_index++;
+		if (escaped) {
+			switch (ch) {
+			case 'b':
+				ch = '\b';
+				break;
+			case 't':
+				ch = '\t';
+				break;
+			case 'n':
+				ch = '\n';
+				break;
+			case '\\':
+				ch = '\\';
+				break;
+			case ' ':
+				ch = ' ';
+				break;
+			default:
+				print("Unknown escape!\n");
+			}
+			escaped = 0;
+		}
+
+		map(keymap, line, ch, ch_index);
+		index++;
+	}
+
+	return keymap;
+}
-- 
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