private void preprocessDOM_misc_inner()

in freemarker-docgen-core/src/main/java/org/freemarker/docgen/core/Transform.java [1494:1649]

• 134 lines of code
• 38 McCabe index (conditional complexity)

    private void preprocessDOM_misc_inner(
            Node node,
            PreprocessDOMMisc_GlobalState globalState,
            PreprocessDOMMisc_ParentSectState parentSectState)
            throws SAXException, DocgenException {
        if (node instanceof Element) {
            Element elem = (Element) node;

            // xml:id -> id:
            String id = XMLUtil.getAttribute(elem, "xml:id");
            if (id != null) {
                if (id.startsWith(AUTO_ID_PREFIX)) {
                    throw new DocgenException(
                            XMLUtil.theSomethingElement(elem, true)
                            + " uses a reserved xml:id, "
                            + TextUtil.jQuote(id) + ". All ID-s starting with "
                            + "\"" + AUTO_ID_PREFIX + "\" are reserved for "
                            + "Docgen.");
                }
                if (id.startsWith(DOCGEN_ID_PREFIX)) {
                    throw new DocgenException(
                            XMLUtil.theSomethingElement(elem, true)
                            + " uses a reserved xml:id, "
                            + TextUtil.jQuote(id) + ". All ID-s starting with "
                            + "\"" + DOCGEN_ID_PREFIX + "\" are reserved for "
                            + "Docgen.");
                }
                elem.setAttribute("id", id);
            }

            final String elemName = node.getNodeName();

            // Add auto id-s:
            if (id == null && GUARANTEED_ID_ELEMENTS.contains(elemName)) {
                globalState.lastId++;
                id = AUTO_ID_PREFIX + globalState.lastId;
                elem.setAttribute("id", id);
            }
            if (id != null) {
                elementsById.put(id, elem);
            }

            // Add default titles:
            if (elemName.equals(E_PREFACE)
                    || elemName.equals(E_GLOSSARY)
                    || elemName.equals(E_INDEX)) {
                ensureTitleExists(
                        elem,
                        Character.toUpperCase(elemName.charAt(0))
                        + elemName.substring(1));

            // Simplify tables:
            } else if (
                    (elemName.equals(E_INFORMALTABLE)
                            || elemName.equals(E_TABLE))
                    && elem.getNamespaceURI().equals(XMLNS_DOCBOOK5)) {
                TableSimplifier.simplify(elem);
            // Collect index terms:
            } else if (elemName.equals(E_INDEXTERM)) {
                addIndexTerm(node);
            } else if (elemName.equals(E_IMAGEDATA)) {
                String ref = XMLUtil.getAttribute(elem, A_FILEREF);
                String loRef = ref.toLowerCase();
                if (!loRef.startsWith("http://")
                        && !loRef.startsWith("https://")
                        && !ref.startsWith("/")) {
                    if (!new File(contentDir, ref.replace('/', File.separatorChar)).isFile()) {
                        throw new DocgenException(
                                XMLUtil.theSomethingElement(elem) + " refers "
                                + "to a missing file: \""
                                + ref.replace("\"", """) + "\"");
                    }
                }
                if (loRef.endsWith(".svg")) {
                    String pngRef = ref.substring(0, ref.length() - 4) + ".png";
                    if (!new File(contentDir, pngRef.replace('/', File.separatorChar)).isFile()) {
                        throw new DocgenException(
                                XMLUtil.theSomethingElement(elem)
                                + " refers to an SVG file for which the fallback PNG file is missing: \""
                                + pngRef.replace("\"", """) + "\"");
                    }
                }
            }

            // Adding title prefixes to document structure elements:
            if (DOCUMENT_STRUCTURE_ELEMENTS.contains(elemName)) {
                final String prefix;
                if (elem.getParentNode() instanceof Document) {
                    // The document element is never prefixed
                    prefix = null;
                } else if (hasPrefaceLikeParent(elem)) {
                    prefix = null;
                } else if (numberedSections
                        && elemName.equals(E_SECTION)) {
                    prefix = String.valueOf(
                            parentSectState.arabicNumber++);
                } else if (elemName.equals(E_CHAPTER)) {
                    prefix = String.valueOf(
                            parentSectState.arabicNumber++);
                } else if (elemName.equals(E_PART)) {
                    prefix = TextUtil.toUpperRomanNumber(
                            parentSectState.upperRomanNumber++);
                } else if (elemName.equals(E_APPENDIX)) {
                    prefix = TextUtil.toUpperLatinNumber(
                            parentSectState.upperLatinNumber++);
                } else if (elemName.equals(E_ARTICLE)) {
                    prefix = TextUtil.toLowerRomanNumber(
                            parentSectState.lowerRomanNumber++);
                } else {
                    prefix = null;
                }

                if (prefix != null) {
                    final String fullPrefix;
                    final Node parent = elem.getParentNode();
                    if (parent instanceof Element
                            // Don't inherit prefix from "part" rank:
                            && !parent.getLocalName().equals(E_PART)
                            // Don't inherit prefix from "article":
                            && !parent.getLocalName().equals(E_ARTICLE)) {
                        String inhPrefix = XMLUtil.getAttribute(
                                (Element) parent, A_DOCGEN_TITLE_PREFIX);
                        if (inhPrefix != null) {
                            if (inhPrefix.endsWith(".")) {
                                fullPrefix = inhPrefix + prefix;
                            } else {
                                fullPrefix = inhPrefix + "." + prefix;
                            }
                        } else {
                            fullPrefix = prefix;
                        }
                    } else {
                        fullPrefix = prefix;
                    }

                    elem.setAttribute(A_DOCGEN_TITLE_PREFIX, fullPrefix);
                } // if prefix != null

                elem.setAttribute(
                        A_DOCGEN_UNITED_NUMBERING,
                        String.valueOf(parentSectState.unitedNumber++));

                // We will be the parent document structure element of the soon
                // processed children:
                parentSectState = new PreprocessDOMMisc_ParentSectState();
            } // if document structure element
        } // if element

        NodeList children = node.getChildNodes();
        int ln = children.getLength();
        for (int i = 0; i < ln; i++) {
            preprocessDOM_misc_inner(
                    children.item(i),
                    globalState, parentSectState);
        }
    }