cleanup

src/unescape.zig

@@ -0,0 +1,46 @@
+const std = @import("std");
+
+/// Process escape sequences in a raw string literal.
+pub fn unescapeString(allocator: std.mem.Allocator, raw: []const u8) ![]u8 {
+    var result = try allocator.alloc(u8, raw.len);
+    var i: usize = 0;
+    var j: usize = 0;
+    while (i < raw.len) {
+        if (raw[i] == '\\' and i + 1 < raw.len) {
+            i += 1;
+            switch (raw[i]) {
+                'n' => {
+                    result[j] = '\n';
+                },
+                't' => {
+                    result[j] = '\t';
+                },
+                'r' => {
+                    result[j] = '\r';
+                },
+                '\\' => {
+                    result[j] = '\\';
+                },
+                '"' => {
+                    result[j] = '"';
+                },
+                '0' => {
+                    result[j] = 0;
+                },
+                '`' => {
+                    result[j] = '`';
+                },
+                else => {
+                    result[j] = raw[i];
+                },
+            }
+            j += 1;
+            i += 1;
+        } else {
+            result[j] = raw[i];
+            j += 1;
+            i += 1;
+        }
+    }
+    return result[0..j];
+}