closeLastBlock

fn closeLastBlock(p: *Parser) !void

File

Code

fn closeLastBlock(p: *Parser) !void {
    const b = p.pending_blocks.pop().?;
    const node = switch (b.tag) {
        .list => list: {
            assert(b.string_start == p.scratch_string.items.len);

            // Although tightness is parsed as a property of the list, it is
            // stored at the list item level to make it possible to render each
            // node without any context from its parents.
            const list_items = p.scratch_extra.items[b.extra_start..];
            const node_datas = p.nodes.items(.data);
            if (!b.data.list.tight) {
                for (list_items) |list_item| {
                    node_datas[list_item].list_item.tight = false;
                }
            }

            const children = try p.addExtraChildren(@ptrCast(list_items));
            break :list try p.addNode(.{
                .tag = .list,
                .data = .{ .list = .{
                    .start = switch (b.data.list.marker) {
                        .number_dot, .number_paren => @fromBackingInt(@intCast(b.data.list.start)),
                        .@"-", .@"*", .@"+" => .unordered,
                    },
                    .children = children,
                } },
            });
        },
        .list_item => list_item: {
            assert(b.string_start == p.scratch_string.items.len);
            const children = try p.addExtraChildren(@ptrCast(p.scratch_extra.items[b.extra_start..]));
            break :list_item try p.addNode(.{
                .tag = .list_item,
                .data = .{ .list_item = .{
                    .tight = true,
                    .children = children,
                } },
            });
        },
        .table => table: {
            assert(b.string_start == p.scratch_string.items.len);
            const children = try p.addExtraChildren(@ptrCast(p.scratch_extra.items[b.extra_start..]));
            break :table try p.addNode(.{
                .tag = .table,
                .data = .{ .container = .{
                    .children = children,
                } },
            });
        },
        .table_row => table_row: {
            assert(b.string_start == p.scratch_string.items.len);
            const children = try p.addExtraChildren(@ptrCast(p.scratch_extra.items[b.extra_start..]));
            break :table_row try p.addNode(.{
                .tag = .table_row,
                .data = .{ .container = .{
                    .children = children,
                } },
            });
        },
        .heading => heading: {
            const children = try p.parseInlines(p.scratch_string.items[b.string_start..]);
            break :heading try p.addNode(.{
                .tag = .heading,
                .data = .{ .heading = .{
                    .level = b.data.heading.level,
                    .children = children,
                } },
            });
        },
        .code_block => code_block: {
            const content = try p.addString(p.scratch_string.items[b.string_start..]);
            break :code_block try p.addNode(.{
                .tag = .code_block,
                .data = .{ .code_block = .{
                    .tag = b.data.code_block.tag,
                    .content = content,
                } },
            });
        },
        .blockquote => blockquote: {
            assert(b.string_start == p.scratch_string.items.len);
            const children = try p.addExtraChildren(@ptrCast(p.scratch_extra.items[b.extra_start..]));
            break :blockquote try p.addNode(.{
                .tag = .blockquote,
                .data = .{ .container = .{
                    .children = children,
                } },
            });
        },
        .paragraph => paragraph: {
            const children = try p.parseInlines(p.scratch_string.items[b.string_start..]);
            break :paragraph try p.addNode(.{
                .tag = .paragraph,
                .data = .{ .container = .{
                    .children = children,
                } },
            });
        },
        .thematic_break => try p.addNode(.{
            .tag = .thematic_break,
            .data = .{ .none = {} },
        }),
    };
    p.scratch_string.items.len = b.string_start;
    p.scratch_extra.items.len = b.extra_start;
    try p.addScratchExtraNode(node);
}