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

1 files changed, 4 insertions, 9 deletions

diff --git a/codegen/fold.zig b/codegen/fold.zig
index cc381a8..d927795 100644
--- a/codegen/fold.zig
+++ b/codegen/fold.zig
@@ -7,16 +7,13 @@ pub fn main() anyerror!void {
     defer std.debug.assert(gpa.deinit() == .ok);
     const allocator = gpa.allocator();
 
-    var line_buf: [4096]u8 = undefined;
     // Process DerivedCoreProperties.txt
-    var props_file = try std.fs.cwd().openFile("data/unicode/DerivedCoreProperties.txt", .{});
-    defer props_file.close();
-    var props_reader = props_file.reader(&line_buf);
+    var props_reader = std.io.Reader.fixed(@embedFile("DerivedCoreProperties.txt"));
 
     var props_map = std.AutoHashMap(u21, void).init(allocator);
     defer props_map.deinit();
 
-    props_lines: while (props_reader.interface.takeDelimiterExclusive('\n')) |line| {
+    props_lines: while (props_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;
@@ -57,11 +54,9 @@ pub fn main() anyerror!void {
     defer codepoint_mapping.deinit();
 
     // Process CaseFolding.txt
-    var cp_file = try std.fs.cwd().openFile("data/unicode/CaseFolding.txt", .{});
-    defer cp_file.close();
-    var cp_reader = cp_file.reader(&line_buf);
 
-    while (cp_reader.interface.takeDelimiterExclusive('\n')) |line| {
+    var cp_reader = std.io.Reader.fixed(@embedFile("CaseFolding.txt"));
+    while (cp_reader.takeDelimiterExclusive('\n')) |line| {
         if (line.len == 0 or line[0] == '#') continue;
 
         var field_it = std.mem.splitScalar(u8, line, ';');