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const std = @import("std");
const Allocator = std.mem.Allocator;
const Token = @import("lexer/Token.zig");
const Lexer = @import("lexer/Lexer.zig");
const Element = @import("eval/Element.zig");
const paragraph = @import("paragraph.zig");
const testing = @import("testing.zig");
const doTest = testing.do;
const doTestError = testing.doError;
pub const Error = paragraph.Error || Allocator.Error;
pub fn parseOrdored(alloc: Allocator, l: *Lexer) Error!Element {
const el = try Element.list.Ordored.init(alloc);
errdefer el.deinit(alloc);
try parse(alloc, &el.content, l, .list_ordored);
return el.element();
}
pub fn parseUnordored(alloc: Allocator, l: *Lexer) Error!Element {
const el = try Element.list.Unordored.init(alloc);
errdefer el.deinit(alloc);
try parse(alloc, &el.content, l, .list_unordored);
return el.element();
}
fn parse(alloc: Allocator, content: *std.ArrayList(Element), l: *Lexer, comptime kind: Token.Kind) !void {
while (l.peek()) |next| switch (next.kind) {
kind => {
l.consume();
continue;
},
.weak_delimiter => {
l.consume();
if (l.peek()) |it| if (it.kind != kind) return;
continue;
},
.strong_delimiter => return,
else => try content.append(alloc, try paragraph.parseLine(alloc, l)),
};
}
test "parse ordored list" {
const alloc = std.testing.allocator;
try doTest(parseOrdored, alloc,
\\. one
\\. two
, "<ol><li>one</li><li>two</li></ol>");
try doTest(parseOrdored, alloc,
\\. one
\\. two
\\no more
, "<ol><li>one</li><li>two</li></ol>");
try doTestError(parseOrdored, alloc, ".one :::", Error.IllegalPlacement);
}
test "parse unordored list" {
const alloc = std.testing.allocator;
try doTest(parseUnordored, alloc,
\\- one
\\- two
, "<ul><li>one</li><li>two</li></ul>");
try doTest(parseUnordored, alloc,
\\- one
\\- two
\\no more
, "<ul><li>one</li><li>two</li></ul>");
try doTestError(parseOrdored, alloc, "- one :::", Error.IllegalPlacement);
}
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