Embed data files in scripts rather than relying on filesystem access for easier packaging

1 files changed, 4 insertions, 10 deletions

diff --git a/codegen/dwp.zig b/codegen/dwp.zig
index fad08d1..8189ad8 100644
--- a/codegen/dwp.zig
+++ b/codegen/dwp.zig
@@ -31,14 +31,10 @@ pub fn main() anyerror!void {
     var flat_map = std.AutoHashMap(u21, i4).init(allocator);
     defer flat_map.deinit();
 
-    var line_buf: [4096]u8 = undefined;
-
     // Process DerivedEastAsianWidth.txt
-    var deaw_file = try std.fs.cwd().openFile("data/unicode/extracted/DerivedEastAsianWidth.txt", .{});
-    defer deaw_file.close();
-    var deaw_reader = deaw_file.reader(&line_buf);
+    var deaw_reader = std.io.Reader.fixed(@embedFile("DerivedEastAsianWidth.txt"));
 
-    while (deaw_reader.interface.takeDelimiterExclusive('\n')) |line| {
+    while (deaw_reader.takeDelimiterExclusive('\n')) |line| {
         if (line.len == 0) continue;
 
         // @missing ranges
@@ -94,11 +90,9 @@ pub fn main() anyerror!void {
         },
     }
     // Process DerivedGeneralCategory.txt
-    var dgc_file = try std.fs.cwd().openFile("data/unicode/extracted/DerivedGeneralCategory.txt", .{});
-    defer dgc_file.close();
-    var dgc_reader = dgc_file.reader(&line_buf);
+    var dgc_reader = std.io.Reader.fixed(@embedFile("DerivedGeneralCategory.txt"));
 
-    while (dgc_reader.interface.takeDelimiterExclusive('\n')) |line| {
+    while (dgc_reader.takeDelimiterExclusive('\n')) |line| {
         if (line.len == 0 or line[0] == '#') continue;
         const no_comment = if (std.mem.indexOfScalar(u8, line, '#')) |octo| line[0..octo] else line;