Review

15

com/itextpdf/text/pdf/SimpleBookmark.java

iterateOutlines(PdfWriter, PdfIndirectReference, List, boolean)

class SimpleBookmark {
    @SuppressWarnings("unchecked")
    public static Object[] iterateOutlines(PdfWriter writer, PdfIndirectReference parent, List<HashMap<String, Object>> kids, boolean namedAsNames) throws IOException {
        PdfIndirectReference refs[] = new PdfIndirectReference[kids.size()];
        for (int k = 0; k < refs.length; ++k)
            refs[k] = writer.getPdfIndirectReference();
        int ptr = 0;
        int count = 0;
        for (Iterator<HashMap<String, Object>> it = kids.listIterator(); it.hasNext(); ++ptr) {
            HashMap<String, Object> map = it.next();
            Object lower[] = null;
            List<HashMap<String, Object>> subKid = (List<HashMap<String, Object>>)map.get("Kids");
            if (subKid != null && !subKid.isEmpty())
                lower = iterateOutlines(writer, refs[ptr], subKid, namedAsNames);
            PdfDictionary outline = new PdfDictionary();
            ++count;
            if (lower != null) {
                outline.put(PdfName.FIRST, (PdfIndirectReference)lower[0]);
                outline.put(PdfName.LAST, (PdfIndirectReference)lower[1]);
                int n = ((Integer)lower[2]).intValue();
                if ("false".equals(map.get("Open"))) {
                    outline.put(PdfName.COUNT, new PdfNumber(-n));
                }
                else {
                    outline.put(PdfName.COUNT, new PdfNumber(n));
                    count += n;
                }
            }
            outline.put(PdfName.PARENT, parent);
            if (ptr > 0)
                outline.put(PdfName.PREV, refs[ptr - 1]);
            if (ptr < refs.length - 1)
                outline.put(PdfName.NEXT, refs[ptr + 1]);
            outline.put(PdfName.TITLE, new PdfString((String)map.get("Title"), PdfObject.TEXT_UNICODE));
            String color = (String)map.get("Color");
            if (color != null) {
                try {
                    PdfArray arr = new PdfArray();
                    StringTokenizer tk = new StringTokenizer(color);
                    for (int k = 0; k < 3; ++k) {
                        float f = Float.parseFloat(tk.nextToken());
                        if (f < 0) f = 0;
                        if (f > 1) f = 1;
                        arr.add(new PdfNumber(f));
                    }
                    outline.put(PdfName.C, arr);
                } catch(Exception e){} //in case it's malformed
            }
            String style = (String)map.get("Style");
            if (style != null) {
                style = style.toLowerCase();
                int bits = 0;
                if (style.indexOf("italic") >= 0)
                    bits |= 1;
                if (style.indexOf("bold") >= 0)
                    bits |= 2;
                if (bits != 0)
                    outline.put(PdfName.F, new PdfNumber(bits));
            }
            createOutlineAction(outline, map, writer, namedAsNames);
            writer.addToBody(outline, refs[ptr]);
        }
        return new Object[]{refs[0], refs[refs.length - 1], Integer.valueOf(count)};
    }

}