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const std = @import("std");
const Allocator = std.mem.Allocator;
const Lexed = @import("lexer/Lexed.zig");
const Lexer = @import("lexer/Lexer.zig");
const Element = @import("dom/Element.zig");
const paragraph = @import("paragraph.zig");
pub const Error = error{InvalidTitleContent} || paragraph.Error || Lexer.Error;
pub fn parse(alloc: Allocator, l: *Lexer) Error!Element {
var v = (try l.next(alloc)).?;
var el = try Element.init(alloc, .content, switch (v.content.items.len) {
1 => "h1",
2 => "h2",
3 => "h3",
4 => "h4",
5 => "h5",
6 => "h6",
else => unreachable,
});
try el.appendContent(paragraph.parseLine(alloc, l) catch |err| switch (err) {
paragraph.Error.IllegalPlacement => return Error.InvalidTitleContent,
else => return err,
});
v = (try l.next(alloc)) orelse return el;
if (!v.kind.isDelimiter()) return Error.InvalidTitleContent;
v.deinit();
return el;
}
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