diff options
Diffstat (limited to 'src/support/lombok/website/CompileChangelog.java')
| -rw-r--r-- | src/support/lombok/website/CompileChangelog.java | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/support/lombok/website/CompileChangelog.java b/src/support/lombok/website/CompileChangelog.java new file mode 100644 index 00000000..8912434e --- /dev/null +++ b/src/support/lombok/website/CompileChangelog.java @@ -0,0 +1,147 @@ +package lombok.website; + +import java.io.BufferedReader; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.StringReader; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import com.petebevin.markdown.MarkdownProcessor; + +public class CompileChangelog { + public static void main(String[] args) { + String fileIn = args[0]; + String fileOut = args[1]; + boolean edge = args.length > 3 && "-edge".equals(args[2]); + boolean latest = args.length > 3 && "-latest".equals(args[2]); + String version = args.length > 3 ? args[3] : null; + + try { + FileInputStream in = new FileInputStream(fileIn); + ByteArrayOutputStream out = new ByteArrayOutputStream(); + + byte[] b = new byte[65536]; + while (true) { + int r = in.read(b); + if ( r == -1 ) break; + out.write(b, 0, r); + } + in.close(); + String markdown = new String(out.toByteArray(), "UTF-8"); + + String result; + if (edge) { + result = buildEdge(sectionByVersion(markdown, version)); + } else if (latest) { + result = buildLatest(sectionByVersion(markdown, version)); + } else { + result = markdownToHtml(sectionStartingAt(markdown, version)); + } + + FileOutputStream file = new FileOutputStream(fileOut); + file.write(result.getBytes("UTF-8")); + file.close(); + System.exit(0); + } catch (Throwable e) { + e.printStackTrace(); + System.exit(1); + } + } + + public static String getHtmlForEdge(File root, String edgeVersion) throws IOException { + File f = new File(root, "doc/changelog.markdown"); + String raw = readFile(f); + return buildEdge(sectionByVersion(raw, edgeVersion)); + } + + public static String getHtmlForLatest(File root, String latestVersion) throws IOException { + File f = new File(root, "doc/changelog.markdown"); + String raw = readFile(f); + return buildLatest(sectionByVersion(raw, latestVersion)); + } + + public static String getHtml(File root) throws IOException { + File f = new File(root, "doc/changelog.markdown"); + String raw = readFile(f); + return markdownToHtml(raw); + } + + public static String getHtmlStartingAtSection(File root, String version) throws IOException { + File f = new File(root, "doc/changelog.markdown"); + String raw = readFile(f); + return markdownToHtml(sectionStartingAt(raw, version)); + } + + private static String readFile(File f) throws IOException { + byte[] b = new byte[65536]; + FileInputStream in = new FileInputStream(f); + try { + ByteArrayOutputStream out = new ByteArrayOutputStream(); + while (true) { + int r = in.read(b); + if ( r == -1 ) break; + out.write(b, 0, r); + } + in.close(); + return new String(out.toByteArray(), "UTF-8"); + } finally { + in.close(); + } + } + + private static String markdownToHtml(String markdown) { + return new MarkdownProcessor().markdown(markdown); + } + + private static String buildEdge(String section) { + String latest = section != null ? section : "* No changelog records for this edge release."; + return markdownToHtml(latest); + } + + private static String buildLatest(String section) { + String latest = section != null ? section : "* No changelog records for this release."; + String noIssueLinks = latest.replaceAll("\\[[^]]*[Ii]ssue[^]]*\\]\\([^)]*\\)", ""); + String noLinks = noIssueLinks.replaceAll("\\[([^]]*)\\]\\([^)]*\\)", "$1"); + return markdownToHtml(noLinks); + } + + private static String sectionStartingAt(String markdown, String version) { + if (version.toUpperCase().endsWith("-HEAD") || version.toUpperCase().endsWith("-EDGE")) { + version = version.substring(0, version.length() - 5); + } + + Pattern p = Pattern.compile("^.*###\\s*v(.*)$"); + BufferedReader br = new BufferedReader(new StringReader(markdown)); + StringBuilder out = new StringBuilder(); + int state = 0; + try { + for (String line = br.readLine(); line != null; line = br.readLine()) { + if (state < 2) { + Matcher m = p.matcher(line); + if (m.matches()) state = m.group(1).startsWith(version) ? 2 : 1; + } + if (state != 1) { + out.append(line); + out.append("\n"); + } + } + return out.toString(); + } catch (IOException e) { + throw new RuntimeException(e); + } + } + + private static String sectionByVersion(String markdown, String version) { + if (version.toUpperCase().endsWith("-HEAD") || version.toUpperCase().endsWith("-EDGE")) { + version = version.substring(0, version.length() - 5); + } + + Pattern p = Pattern.compile("(?is-m)^.*###\\s*v" + version + ".*?\n(.*?)(?:###\\s*v.*)?$"); + Matcher m = p.matcher(markdown); + return m.matches() ? m.group(1) : null; + } +}
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