public static String unescapeHTML()

in doxia-core/src/main/java/org/apache/maven/doxia/util/HtmlTools.java [307:346]

• 33 lines of code
• 8 McCabe index (conditional complexity)

    public static String unescapeHTML(String text, boolean xmlMode) {
        if (text == null) {
            return null;
        }

        String unescaped;
        if (xmlMode) {
            unescaped = StringEscapeUtils.unescapeXml(text);
        } else {
            // StringEscapeUtils.unescapeHtml4 returns entities it doesn't recognize unchanged
            unescaped = StringEscapeUtils.unescapeHtml4(text);
        }

        String tmp = unescaped;
        List<String> entities = new ArrayList<>();
        while (true) {
            int i = tmp.indexOf("&#x");
            if (i == -1) {
                break;
            }

            tmp = tmp.substring(i + 3);
            if (tmp.indexOf(';') != -1) {
                String entity = tmp.substring(0, tmp.indexOf(';'));
                try {
                    Integer.parseInt(entity, 16);
                    entities.add(entity);
                } catch (NumberFormatException e) {
                    // nop
                }
            }
        }

        for (String entity : entities) {
            int codePoint = Integer.parseInt(entity, 16);
            unescaped = StringUtils.replace(unescaped, "&#x" + entity + ";", new String(toChars(codePoint)));
        }

        return unescaped;
    }