From 961d2ec2f9075f30e9264ed2db6c394cfa5967f9 Mon Sep 17 00:00:00 2001
From: Jose Colon Rodriguez
Date: Mon, 25 Mar 2024 20:05:36 -0400
Subject: CaseData

---
 codegen/numeric.zig | 45 ++++++++++++++++++++-------------------------
 1 file changed, 20 insertions(+), 25 deletions(-)

(limited to 'codegen/numeric.zig')

diff --git a/codegen/numeric.zig b/codegen/numeric.zig
index 80fc7c2..ad8490c 100644
--- a/codegen/numeric.zig
+++ b/codegen/numeric.zig
@@ -1,5 +1,6 @@
 const std = @import("std");
 const builtin = @import("builtin");
+const mem = std.mem;
 
 const block_size = 256;
 const Block = [block_size]u8;
@@ -15,7 +16,7 @@ const BlockMap = std.HashMap(
         }
 
         pub fn eql(_: @This(), a: Block, b: Block) bool {
-            return std.mem.eql(u8, &a, &b);
+            return mem.eql(u8, &a, &b);
         }
     },
     std.hash_map.default_max_load_percentage,
@@ -31,17 +32,17 @@ pub fn main() !void {
 
     var line_buf: [4096]u8 = undefined;
 
-    // Process DerivedCombiningClass.txt
-    var num_file = try std.fs.cwd().openFile("data/unicode/extracted/DerivedNumericType.txt", .{});
-    defer num_file.close();
-    var num_buf = std.io.bufferedReader(num_file.reader());
-    const num_reader = num_buf.reader();
+    // Process DerivedNumericType.txt
+    var in_file = try std.fs.cwd().openFile("data/unicode/extracted/DerivedNumericType.txt", .{});
+    defer in_file.close();
+    var in_buf = std.io.bufferedReader(in_file.reader());
+    const in_reader = in_buf.reader();
 
-    while (try num_reader.readUntilDelimiterOrEof(&line_buf, '\n')) |line| {
+    while (try in_reader.readUntilDelimiterOrEof(&line_buf, '\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;
+        const no_comment = if (mem.indexOfScalar(u8, line, '#')) |octo| line[0..octo] else line;
 
-        var field_iter = std.mem.tokenizeAny(u8, no_comment, "; ");
+        var field_iter = mem.tokenizeAny(u8, no_comment, "; ");
         var current_code: [2]u21 = undefined;
 
         var i: usize = 0;
@@ -49,7 +50,7 @@ pub fn main() !void {
             switch (i) {
                 0 => {
                     // Code point(s)
-                    if (std.mem.indexOf(u8, field, "..")) |dots| {
+                    if (mem.indexOf(u8, field, "..")) |dots| {
                         current_code = .{
                             try std.fmt.parseInt(u21, field[0..dots], 16),
                             try std.fmt.parseInt(u21, field[dots + 2 ..], 16),
@@ -61,25 +62,19 @@ pub fn main() !void {
                 },
                 1 => {
                     // Numeric type
-                    if (std.mem.eql(u8, field, "Numeric")) {
-                        for (current_code[0]..current_code[1] + 1) |cp| {
-                            const gop = try flat_map.getOrPut(@intCast(cp));
-                            if (!gop.found_existing) gop.value_ptr.* = 0;
-                            gop.value_ptr.* |= 1;
-                        }
-                    } else if (std.mem.eql(u8, field, "Digit")) {
-                        for (current_code[0]..current_code[1] + 1) |cp| {
-                            const gop = try flat_map.getOrPut(@intCast(cp));
-                            if (!gop.found_existing) gop.value_ptr.* = 0;
-                            gop.value_ptr.* |= 2;
-                        }
-                    } else if (std.mem.eql(u8, field, "Decimal")) {
+                    var bit: u8 = 0;
+
+                    if (mem.eql(u8, field, "Numeric")) bit = 1;
+                    if (mem.eql(u8, field, "Digit")) bit = 2;
+                    if (mem.eql(u8, field, "Decimal")) bit = 4;
+
+                    if (bit != 0) {
                         for (current_code[0]..current_code[1] + 1) |cp| {
                             const gop = try flat_map.getOrPut(@intCast(cp));
                             if (!gop.found_existing) gop.value_ptr.* = 0;
-                            gop.value_ptr.* |= 4;
+                            gop.value_ptr.* |= bit;
                         }
-                    } else continue;
+                    }
                 },
                 else => {},
             }
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