Examples with SyntaxException uk.me.parabola.mkgmap.scan.SyntaxException used on opensource projects

Example 16 with SyntaxException

use of uk.me.parabola.mkgmap.scan.SyntaxException in project mkgmap by openstreetmap.

the class SrtTextReader method initialState.

/**
 * The initial state, looking for a variable to set or a command to change
 * the state.
 * @param scanner The scanner for more tokens.
 * @param tok The first token to process.
 */
private void initialState(TokenScanner scanner, Token tok) {
    String val = tok.getValue();
    TokType type = tok.getType();
    if (type == TokType.TEXT) {
        switch(val) {
            case "codepage":
                int codepage = scanner.nextInt();
                sort.setCodepage(codepage);
                encoder = sort.getCharset().newEncoder();
                break;
            case "description":
                sort.setDescription(scanner.nextWord());
                break;
            case "id1":
                sort.setId1(scanner.nextInt());
                break;
            case "id2":
                sort.setId2(scanner.nextInt());
                break;
            case "multi":
                sort.setMulti(true);
                break;
            // The old name; use characters
            case "code":
            case "characters":
                if (encoder == null)
                    throw new SyntaxException(scanner, "Missing codepage declaration before code");
                state = IN_CHARACTER;
                scanner.skipSpace();
                break;
            case "expand":
                state = IN_EXPAND;
                scanner.skipSpace();
                break;
            default:
                throw new SyntaxException(scanner, "Unrecognised command " + val);
        }
    }
}

Example 17 with SyntaxException

use of uk.me.parabola.mkgmap.scan.SyntaxException in project mkgmap by openstreetmap.

the class CommonSection method parseXpmHeader.

/**
 * Parse the XPM header in a typ file.
 *
 * There are extensions compared to a regular XPM file.
 *
 * @param scanner Only for reporting syntax errors.
 * @param info Information read from the string is stored here.
 * @param header The string containing the xpm header and other extended data provided on the
 * same line.
 */
private void parseXpmHeader(TokenScanner scanner, ColourInfo info, String header) {
    TokenScanner s2 = new TokenScanner("string", new StringReader(header));
    if (s2.checkToken("\""))
        s2.nextToken();
    try {
        info.setWidth(s2.nextInt());
        info.setHeight(s2.nextInt());
        info.setNumberOfColours(s2.nextInt());
        info.setCharsPerPixel(s2.nextInt());
    } catch (NumberFormatException e) {
        throw new SyntaxException(scanner, "Bad number in XPM header " + header);
    }
}

Example 18 with SyntaxException

use of uk.me.parabola.mkgmap.scan.SyntaxException in project mkgmap by openstreetmap.

the class CommonSection method readTrueImageLine.

/**
 * Read a single line of pixel colours.
 *
 * There can be one or more colours on the line and the colours are surrounded
 * by quotes.  The can be trailing attribute that sets the opacity of
 * the final pixel.
 */
private int readTrueImageLine(TokenScanner scanner, final int[] image, int count) {
    do {
        scanner.validateNext("#");
        String col = scanner.nextValue();
        try {
            int val = (int) Long.parseLong(col, 16);
            if (col.length() <= 6)
                val = (val << 8) + 0xff;
            image[count++] = val;
        } catch (NumberFormatException e) {
            throw new SyntaxException(scanner, "Not a valid colour value ");
        }
    } while (scanner.checkToken("#"));
    scanner.validateNext("\"");
    // Look for any trailing alpha=N stuff.
    final int lastColourIndex = count - 1;
    readExtraColourInfo(scanner, new AlphaAdder() {

        /**
         * Add the alpha value to the last colour that was read in.
         *
         * @param alpha A true alpha value ie 0 is transparent, 255 opaque.
         */
        public void addAlpha(int alpha) {
            image[lastColourIndex] = (image[lastColourIndex] & ~0xff) | (alpha & 0xff);
        }
    });
    return count;
}

Example 19 with SyntaxException

use of uk.me.parabola.mkgmap.scan.SyntaxException in project mkgmap by openstreetmap.

the class CommonSection method readXpm.

/**
 * Read an XMP image from the input scanner.
 *
 * Note that this is sometimes used just for colours so need to deal with
 * different cases.
 */
protected Xpm readXpm(TokenScanner scanner, String header, boolean simple) {
    ColourInfo colourInfo = readColourInfo(scanner, header);
    String msg = colourInfo.analyseColours(simple);
    if (msg != null)
        throw new SyntaxException(scanner, msg);
    Xpm xpm = new Xpm();
    xpm.setColourInfo(colourInfo);
    int height = colourInfo.getHeight();
    int width = colourInfo.getWidth();
    if (height > 0 && width > 0) {
        colourInfo.setHasBitmap(true);
        Image image;
        if (colourInfo.getNumberOfColours() == 0)
            image = readTrueImage(scanner, colourInfo);
        else
            image = readImage(scanner, colourInfo);
        xpm.setImage(image);
    }
    hasXpm = true;
    return xpm;
}

Example 20 with SyntaxException

use of uk.me.parabola.mkgmap.scan.SyntaxException in project mkgmap by openstreetmap.

the class CommonSection method readExtraColourInfo.

/**
 * Get any keywords that are on the end of the colour line. Must not step
 * over the new line boundary.
 */
private void readExtraColourInfo(TokenScanner scanner, AlphaAdder colour) {
    while (!scanner.isEndOfFile()) {
        Token tok = scanner.nextRawToken();
        if (tok.isEol())
            break;
        String word = tok.getValue();
        // TypWiz uses alpha, TypViewer uses "canalalpha"
        if (word.endsWith("alpha")) {
            scanner.validateNext("=");
            String aval = scanner.nextValue();
            try {
                // Convert to rgba format
                int alpha = Integer.decode(aval);
                alpha = 255 - ((alpha << 4) + alpha);
                colour.addAlpha(alpha);
            } catch (NumberFormatException e) {
                throw new SyntaxException(scanner, "Bad number for alpha value " + aval);
            }
        }
    // ignore everything we don't recognise.
    }
}