Serenity Operating System
1/*
2 * Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/StringBuilder.h>
28#include <LibMarkdown/MDHeading.h>
29
30String MDHeading::render_to_html() const
31{
32 StringBuilder builder;
33 builder.appendf("<h%d>", m_level);
34 builder.append(m_text.render_to_html());
35 builder.appendf("</h%d>\n", m_level);
36 return builder.build();
37}
38
39String MDHeading::render_for_terminal() const
40{
41 StringBuilder builder;
42
43 switch (m_level) {
44 case 1:
45 case 2:
46 builder.append("\n\033[1m");
47 builder.append(m_text.render_for_terminal().to_uppercase());
48 builder.append("\033[0m\n");
49 break;
50 default:
51 builder.append("\n\033[1m");
52 builder.append(m_text.render_for_terminal());
53 builder.append("\033[0m\n");
54 break;
55 }
56
57 return builder.build();
58}
59
60bool MDHeading::parse(Vector<StringView>::ConstIterator& lines)
61{
62 if (lines.is_end())
63 return false;
64
65 const StringView& line = *lines;
66
67 for (m_level = 0; m_level < (int)line.length(); m_level++)
68 if (line[(size_t)m_level] != '#')
69 break;
70
71 if (m_level >= (int)line.length() || line[(size_t)m_level] != ' ')
72 return false;
73
74 StringView title_view = line.substring_view((size_t)m_level + 1, line.length() - (size_t)m_level - 1);
75 bool success = m_text.parse(title_view);
76 ASSERT(success);
77
78 ++lines;
79 return true;
80}