public void readFont()

in src/java/org/apache/fop/render/pdf/pdfbox/MergeCFFFonts.java [67:131]
60 lines of code
18 McCabe index (conditional complexity)

    public void readFont(InputStream is, String name, FontContainer fontContainer,
                         Map<Integer, Integer> subsetGlyphs, boolean cid) throws IOException {
        this.embeddedName = name;
        FontFileReader fontFile = new FontFileReader(is);
        CFFParser p = new CFFParser();
        CFFFont ff = p.parse(fontFile.getAllBytes()).get(0);

        Map<String, byte[]> stringsMap = getStrings(ff);
        if (used.containsAll(stringsMap.keySet())) {
            return;
        }
        fontFileSize += fontFile.getFileSize();
        this.fontFile = fontFile;
        used.addAll(stringsMap.keySet());
        if (fileFont == null) {
            fileFont = ff;
        }
        Map<Integer, Integer> sg = new LinkedHashMap<Integer, Integer>();
        for (int i = 0; i < ff.getNumCharStrings() + 1; i++) {
            sg.put(i, i);
        }
        subsetGlyphsList.add(sg);
        cffReader = new CFFDataReader(fontFile);

        for (int sid : getSids(ff.getCharset())) {
            if (sid >= NUM_STANDARD_STRINGS) {
                int index = sid - NUM_STANDARD_STRINGS;
                if (index <= cffReader.getStringIndex().getNumObjects()) {
                    String data = new String(cffReader.getStringIndex().getValue(index), "US-ASCII");
                    if (!strings.contains(data)) {
                        strings.add(data);
                    }
                }
            }
        }

        if (ff instanceof CFFType1Font) {
            encoding = ((CFFType1Font)ff).getEncoding();
            if (!(encoding instanceof CFFStandardEncoding)) {
                for (int c : encoding.getCodeToNameMap().keySet()) {
                    if (!chars.contains(c) && c != 0) {
                        chars.add(c);
                    }
                }
            }
        }
        setupMapping(ff.getCharset(), sg);

        for (Map.Entry<String, byte[]> s : stringsMap.entrySet()) {
            if (!added.contains(s.getKey())) {
                subsetCharStringsIndex.add(s.getValue());
                added.add(s.getKey());
            }
        }

        CFFCharset cSet = ff.getCharset();
        String cClass = cSet.getClass().getName();
        if (cClass.equals("org.apache.fontbox.cff.CFFParser$Format1Charset")
                || cClass.equals("org.apache.fontbox.cff.CFFParser$Format0Charset")) {
            for (int sid : getSids(cSet)) {
                range.put(sid, 0);
            }
        }
        noOfFonts++;
    }