/* * Copyright (c) 2019-2020, Sergey Bugaev * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include namespace Markdown { String Document::render_to_html() const { StringBuilder builder; builder.append("\n"); builder.append("\n"); builder.append("\n"); builder.append("\n"); for (auto& block : m_blocks) { auto s = block.render_to_html(); builder.append(s); } builder.append("\n"); builder.append("\n"); return builder.build(); } String Document::render_for_terminal() const { StringBuilder builder; for (auto& block : m_blocks) { auto s = block.render_for_terminal(); builder.append(s); } return builder.build(); } template static bool helper(Vector::ConstIterator& lines, NonnullOwnPtrVector& blocks) { OwnPtr block = BlockType::parse(lines); if (!block) return false; blocks.append(block.release_nonnull()); return true; } OwnPtr Document::parse(const StringView& str) { const Vector lines_vec = str.lines(); auto lines = lines_vec.begin(); auto document = make(); auto& blocks = document->m_blocks; while (true) { if (lines.is_end()) break; if ((*lines).is_empty()) { ++lines; continue; } bool any = helper(lines, blocks) || helper(lines, blocks) || helper(lines, blocks) || helper(lines, blocks); if (!any) return nullptr; } return document; } }