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const std = @import("std");
pub fn File(comptime tag: ?[]const u8, Iterator: type) type {
const opening = if (tag) |t| "<" ++ t ++ ">" else "";
const closing = if (tag) |t| "</" ++ t ++ ">" else "";
return struct {
file: []const u8,
do_minify: bool,
pub fn path(comptime p: []const u8) @This() {
return .{
.file = p,
.do_minify = false,
};
}
pub fn minify(comptime p: []const u8) @This() {
return .{
.file = p,
.do_minify = true,
};
}
fn content(comptime self: @This()) []const u8 {
return opening ++ @embedFile(self.file) ++ closing;
}
fn content_minified(comptime self: @This()) []const u8 {
var minified: []const u8 = "";
var iterator: Iterator = .init(@embedFile(self.file));
while (iterator.next()) |segment| {
minified = minified ++ segment;
}
return opening ++ minified ++ closing;
}
pub fn to_html_string(comptime self: @This()) []const u8 {
return if (self.do_minify) self.content_minified() else self.content();
}
};
}
fn StringIterator(comptime quotes: []const u8) type {
return struct {
content: []const u8,
pub fn init(content: []const u8) @This() {
return .{ .content = content };
}
pub fn next(self: *@This()) ?[]const u8 {
@setEvalBranchQuota(self.content.len * 20);
self.content = std.mem.trimStart(u8, self.content, &std.ascii.whitespace);
if (self.content.len == 0) return null;
var index: usize = 0;
while (self.content.len > index) {
const char = self.content[index];
if (std.mem.indexOfScalar(u8, quotes, char) != null) {
index += 1;
while (self.content.len > index) {
if (self.content[index] == char) {
index += 1;
break;
}
index += 1;
}
} else if (std.ascii.isWhitespace(char)) {
break;
}
index += 1;
}
const block = self.content[0..index];
self.content = self.content[index..];
return block ++ " ";
}
};
}
pub const Style = File("style", StringIterator("\"'"));
pub const Script = File("script", StringIterator("\"'`"));
pub const Html = File(null, StringIterator("\"'"));
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