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| require 'review' | |
| require 'tmpdir' | |
| module ReVIEW | |
| class HTMLBuilder < Builder | |
| def image_ext | |
| 'svg' | |
| end | |
| end | |
| end | |
| # module ReVIEW | |
| # class Builder | |
| # def graph_blockdiag(id, file_path, _line, tf_path) | |
| # system_graph(id, 'blockdiag', '-a', '-T', 'svg', '-f', '../NotoSans-Medium.ttf', '-o', file_path, tf_path) | |
| # file_path | |
| # end | |
| # end | |
| # end | |
| module Jekyll | |
| class ReVIEWConverter < Converter | |
| safe true | |
| priority :low | |
| def matches(ext) | |
| ext =~ /^\.re$/i | |
| end | |
| def output_ext(ext) | |
| '.html' | |
| end | |
| def extract_content(data) | |
| ret = [] | |
| imgs = [] | |
| state = 0 | |
| data.lines.each do |line| | |
| case state | |
| when 0 | |
| if line.include? '<h1>' | |
| state = 1 | |
| else | |
| # skip <html> / <title> / .. header tags | |
| end | |
| when 1 | |
| if line.include? '</body>' | |
| state = 2 | |
| else | |
| if matches = line.match(/<img src="images\/([^"]+)" alt="([^"]*)" \/>/) | |
| imgpath = matches[1].sub(/^(html\/)*/, '') | |
| imgs.push(imgpath) | |
| ret.push("<img src=\"/images/%s\" alt=\"%s\" />\n" % [imgpath, matches[2]]) | |
| else | |
| ret.push(line) | |
| end | |
| end | |
| else | |
| end | |
| end | |
| return ret.join, imgs | |
| end | |
| def copy_images(workdir, destdir, imgs) | |
| # TODO: search subdirectories recursively | |
| candidate_dirs = [ | |
| File.join(workdir, 'images'), | |
| File.join(workdir, 'images', 'html') | |
| ] | |
| FileUtils.mkdir_p destdir | |
| imgs.each do |img| | |
| dir = candidate_dirs.detect {|dir| File.exist?(File.join(dir, img)) } | |
| if dir != nil | |
| FileUtils.cp(File.join(dir, img), File.join(destdir, img)) | |
| end | |
| end | |
| end | |
| def create_blockdiag_rc_file() | |
| fontpath = File.join(File.expand_path(File.dirname(__FILE__)), 'NotoSansJP-Regular.otf') | |
| content = "[blockdiag]\nfontpath = %s" % fontpath | |
| File.open(File.expand_path('~/.blockdiagrc'), 'w') { |file| file.puts(content) } | |
| end | |
| def convert(content) | |
| create_blockdiag_rc_file() | |
| workdir = File.join(@config['source'], '_posts') | |
| imgdestdir = File.join(@config['destination'], 'images') | |
| config = ReVIEW::Configure.values | |
| config['builder'] = 'html' | |
| config['secnolevel'] = 0 # 見出し採番しないとして | |
| ReVIEW::I18n.setup(config['language']) | |
| Dir.chdir(workdir) | |
| builder = ReVIEW::HTMLBuilder.new | |
| book = ReVIEW::Book::Base.new('.') | |
| book.config = config | |
| compiler = ReVIEW::Compiler.new(builder) | |
| chap = ReVIEW::Book::Chapter.new(book, '20191201', '-', nil, nil) | |
| chap.content = content # 書き出したのをFile.readでもいいとは思うけど | |
| location = ReVIEW::Location.new(nil, nil) | |
| builder.bind(compiler, chap, location) | |
| compiler.compile(chap) | |
| s = builder.result | |
| s, imgs = extract_content(s) | |
| copy_images(workdir, imgdestdir, imgs) | |
| # cleanup imgdir | |
| tmpimgdir = File.join(workdir, 'images', 'html') | |
| if Dir.exist?(tmpimgdir) | |
| #FileUtils.rm_rf(tmpimgdir) | |
| end | |
| s | |
| end | |
| end | |
| end |