public int codeToGID()

in pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/PDTrueTypeFont.java [607:710]
85 lines of code
23 McCabe index (conditional complexity)

    public int codeToGID(int code) throws IOException
    {
        extractCmapTable();
        int gid = 0;

        if (!isSymbolic()) // non-symbolic
        {
            String name = encoding.getName(code);
            if (".notdef".equals(name))
            {
                return 0;
            }
            else
            {
                // (3, 1) - (Windows, Unicode)
                if (cmapWinUnicode != null)
                {
                    String unicode = GlyphList.getAdobeGlyphList().toUnicode(name);
                    if (unicode != null)
                    {
                        int uni = unicode.codePointAt(0);
                        gid = cmapWinUnicode.getGlyphId(uni);
                    }
                }

                // (1, 0) - (Macintosh, Roman)
                if (gid == 0 && cmapMacRoman != null)
                {
                    Integer macCode = INVERTED_MACOS_ROMAN.get(name);
                    if (macCode != null)
                    {
                        gid = cmapMacRoman.getGlyphId(macCode);
                    }
                }

                // 'post' table
                if (gid == 0)
                {
                    gid = ttf.nameToGID(name);
                }
            }
        }
        else // symbolic
        {
            // PDFBOX-4755 / PDF.js #5501
            // PDFBOX-3965: fallback for font has that the symbol flag but isn't
            if (cmapWinUnicode != null)
            {
                if (encoding instanceof WinAnsiEncoding || encoding instanceof MacRomanEncoding)
                {
                    String name = encoding.getName(code);
                    if (".notdef".equals(name))
                    {
                        return 0;
                    }
                    String unicode = GlyphList.getAdobeGlyphList().toUnicode(name);
                    if (unicode != null)
                    {
                        int uni = unicode.codePointAt(0);
                        gid = cmapWinUnicode.getGlyphId(uni);
                    }
                }
                else
                {
                    gid = cmapWinUnicode.getGlyphId(code);
                }
            }

            // (3, 0) - (Windows, Symbol)
            if (gid == 0 && cmapWinSymbol != null)
            {
                gid = cmapWinSymbol.getGlyphId(code);
                if (code >= 0 && code <= 0xFF)
                {
                    // the CMap may use one of the following code ranges,
                    // so that we have to add the high byte to get the
                    // mapped value
                    if (gid == 0)
                    {
                        // F000 - F0FF
                        gid = cmapWinSymbol.getGlyphId(code + START_RANGE_F000);
                    }
                    if (gid == 0)
                    {
                        // F100 - F1FF
                        gid = cmapWinSymbol.getGlyphId(code + START_RANGE_F100);
                    }
                    if (gid == 0)
                    {
                        // F200 - F2FF
                        gid = cmapWinSymbol.getGlyphId(code + START_RANGE_F200);
                    }
                }
            }

            // (1, 0) - (Mac, Roman)
            if (gid == 0 && cmapMacRoman != null)
            {
                gid = cmapMacRoman.getGlyphId(code);
            }
        }

        return gid;
    }