Examples with ByteArray com.android.dx.util.ByteArray used on opensource projects

Example 31 with ByteArray

use of com.android.dx.util.ByteArray in project buck by facebook.

the class StdAttributeFactory method constantValue.

/**
     * Parses a {@code ConstantValue} attribute.
     */
private Attribute constantValue(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    if (length != 2) {
        return throwBadLength(2);
    }
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    int idx = bytes.getUnsignedShort(offset);
    TypedConstant cst = (TypedConstant) pool.get(idx);
    Attribute result = new AttConstantValue(cst);
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "value: " + cst);
    }
    return result;
}

Example 32 with ByteArray

use of com.android.dx.util.ByteArray in project buck by facebook.

the class DotDumper method run.

private void run() {
    ByteArray ba = new ByteArray(bytes);
    /*
         * First, parse the file completely, so we can safely refer to
         * attributes, etc.
         */
    classFile = new DirectClassFile(ba, filePath, strictParse);
    classFile.setAttributeFactory(StdAttributeFactory.THE_ONE);
    // Force parsing to happen.
    classFile.getMagic();
    // Next, reparse it and observe the process.
    DirectClassFile liveCf = new DirectClassFile(ba, filePath, strictParse);
    liveCf.setAttributeFactory(StdAttributeFactory.THE_ONE);
    liveCf.setObserver(this);
    // Force parsing to happen.
    liveCf.getMagic();
}

Example 33 with ByteArray

use of com.android.dx.util.ByteArray in project buck by facebook.

the class ConstantPoolParser method parseUtf8.

/**
     * Parses a utf8 constant.
     *
     * @param at offset to the start of the constant (where the tag byte is)
     * @return {@code non-null;} the parsed value
     */
private CstString parseUtf8(int at) {
    int length = bytes.getUnsignedShort(at + 1);
    // Skip to the data.
    at += 3;
    ByteArray ubytes = bytes.slice(at, at + length);
    try {
        return new CstString(ubytes);
    } catch (IllegalArgumentException ex) {
        // Translate the exception
        throw new ParseException(ex);
    }
}

Example 34 with ByteArray

use of com.android.dx.util.ByteArray in project buck by facebook.

the class StringDataItem method writeTo0.

/** {@inheritDoc} */
@Override
public void writeTo0(DexFile file, AnnotatedOutput out) {
    ByteArray bytes = value.getBytes();
    int utf16Size = value.getUtf16Size();
    if (out.annotates()) {
        out.annotate(Leb128.unsignedLeb128Size(utf16Size), "utf16_size: " + Hex.u4(utf16Size));
        out.annotate(bytes.size() + 1, value.toQuoted());
    }
    out.writeUleb128(utf16Size);
    out.write(bytes);
    out.writeByte(0);
}

Example 35 with ByteArray

use of com.android.dx.util.ByteArray in project J2ME-Loader by nikita36078.

the class AttributeListParser method parse.

/**
 * Does the actual parsing.
 */
private void parse() {
    int sz = list.size();
    // Skip the count.
    int at = offset + 2;
    ByteArray bytes = cf.getBytes();
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "attributes_count: " + Hex.u2(sz));
    }
    for (int i = 0; i < sz; i++) {
        try {
            if (observer != null) {
                observer.parsed(bytes, at, 0, "\nattributes[" + i + "]:\n");
                observer.changeIndent(1);
            }
            Attribute attrib = attributeFactory.parse(cf, context, at, observer);
            at += attrib.byteLength();
            list.set(i, attrib);
            if (observer != null) {
                observer.changeIndent(-1);
                observer.parsed(bytes, at, 0, "end attributes[" + i + "]\n");
            }
        } catch (ParseException ex) {
            ex.addContext("...while parsing attributes[" + i + "]");
            throw ex;
        } catch (RuntimeException ex) {
            ParseException pe = new ParseException(ex);
            pe.addContext("...while parsing attributes[" + i + "]");
            throw pe;
        }
    }
    endOffset = at;
}