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Improves name conversions

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This commit is contained in:
Mason Remaley 2025-11-12 01:34:27 -08:00
parent efaf12e47f
commit 76e41b87cd
1 changed files with 24 additions and 12 deletions
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36
src/generate.zig
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@ -919,10 +919,24 @@ fn writeTypeName(writer: anytype, raw: []const u8) !void {
if (escaped) try writer.writeByte('"');
}
const Case = enum {
upper,
lower,
none,
pub fn get(c: u8) Case {
return switch (c) {
'a'...'z' => .lower,
'A'...'Z' => .upper,
else => .none,
};
}
};
// Convert a cimgui field name to a Zig field name
fn writeFieldName(writer: anytype, name: []const u8) !void {
var escape = false;
var prev_underscore = false;
var prev_case: Case = .none;
for (name, 0..) |c, i| {
switch (c) {
'0'...'9' => {
@ -930,20 +944,18 @@ fn writeFieldName(writer: anytype, name: []const u8) !void {
escape = true;
try writer.writeAll("@\"");
}
try writer.writeByte(c);
},
'a'...'z' => try writer.writeByte(c),
'A'...'Z' => {
if (i > 0 and i < name.len - 1) switch (name[i + 1]) {
'A'...'Z', '_' => {},
else => if (!prev_underscore) try writer.writeByte('_'),
};
try writer.writeByte(c + 32);
},
'_' => if (i != name.len - 1) try writer.writeByte('_'),
'a'...'z', 'A'...'Z', '_' => {},
else => std.debug.panic("unexpected char in name: {c}", .{c}),
}
if (c == '_') prev_underscore = true;
const case: Case = .get(c);
if (prev_case == .lower and case == .upper) {
try writer.writeByte('_');
} else if (case == .upper and prev_case == .upper and i < name.len - 1 and std.ascii.isLower(name[i + 1])) {
try writer.writeByte('_');
}
try writer.writeByte(std.ascii.toLower(c));
prev_case = case;
}
if (escape) try writer.writeAll("\"");
}