Example usage for io.netty.buffer ByteBuf readerIndex

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readerIndex.

Prototype

public abstract int readerIndex();

Source Link

Document

Returns the readerIndex of this buffer.

Usage

From source file:com.couchbase.client.core.endpoint.util.ByteBufJsonHelper.java

License:Apache License

/**
 * Finds the position of the correct closing character, taking into account the fact that before the correct one,
 * other sub section with same opening and closing characters can be encountered.
 *
 * This implementation starts for the current {@link ByteBuf#readerIndex() readerIndex} + startOffset.
 *
 * @param buf the {@link ByteBuf} where to search for the end of a section enclosed in openingChar and closingChar.
 * @param startOffset the offset at which to start reading (from buffer's readerIndex).
 * @param openingChar the section opening char, used to detect a sub-section.
 * @param closingChar the section closing char, used to detect the end of a sub-section / this section.
 * @return the section closing position or -1 if not found.
 *//*from   w  w w. j a  v  a 2  s  .  com*/
public static int findSectionClosingPosition(ByteBuf buf, int startOffset, char openingChar, char closingChar) {
    int from = buf.readerIndex() + startOffset;
    int length = buf.writerIndex() - from;
    if (length < 0) {
        throw new IllegalArgumentException(
                "startOffset must not go beyond the readable byte length of the buffer");
    }

    return buf.forEachByte(from, length, new ClosingPositionBufProcessor(openingChar, closingChar, true));
}

From source file:com.couchbase.client.core.endpoint.util.ByteBufJsonHelperTest.java

License:Apache License

@Test
public void testFindNextChar() throws Exception {
    ByteBuf source = Unpooled.copiedBuffer("ABCDEF", CharsetUtil.UTF_8);

    assertEquals(3, ByteBufJsonHelper.findNextChar(source, 'D'));
    assertEquals(-1, ByteBufJsonHelper.findNextChar(source, 'G'));
    assertEquals(0, source.readerIndex());

}

From source file:com.couchbase.client.core.endpoint.util.ByteBufJsonHelperTest.java

License:Apache License

@Test
public void testFindNextCharNotPrefixedBy() throws Exception {
    ByteBuf source = Unpooled.copiedBuffer("the \\\"end\\\" of a string\"", CharsetUtil.UTF_8);

    assertEquals(5, ByteBufJsonHelper.findNextCharNotPrefixedBy(source, '\"', 'a'));
    assertEquals(23, ByteBufJsonHelper.findNextCharNotPrefixedBy(source, '\"', '\\'));
    assertEquals(-1, ByteBufJsonHelper.findNextCharNotPrefixedBy(source, 'a', ' '));
    assertEquals(-1, ByteBufJsonHelper.findNextCharNotPrefixedBy(source, 'z', ' '));
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ByteBufJsonHelperTest.java

License:Apache License

@Test
public void shouldFindSectionClosingPositionIfAtStartSection() throws Exception {
    ByteBuf source = Unpooled.copiedBuffer("{123}", CharsetUtil.UTF_8);

    assertEquals(4, ByteBufJsonHelper.findSectionClosingPosition(source, '{', '}'));
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ByteBufJsonHelperTest.java

License:Apache License

@Test
public void shouldNotFindSectionClosingPositionIfAfterStartSection() throws Exception {
    ByteBuf source = Unpooled.copiedBuffer("123}", CharsetUtil.UTF_8);

    assertEquals(-1, ByteBufJsonHelper.findSectionClosingPosition(source, '{', '}'));
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ByteBufJsonHelperTest.java

License:Apache License

@Test
public void shouldFindSectionClosingPositionWithOffset() throws Exception {
    ByteBuf source = Unpooled.copiedBuffer("{{{}{123}", CharsetUtil.UTF_8);

    assertEquals(8, ByteBufJsonHelper.findSectionClosingPosition(source, 4, '{', '}'));
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ClosingPositionBufProcessorTest.java

License:Apache License

@Test
public void shouldFindClosingInSimpleSection() {
    ByteBuf source = Unpooled.copiedBuffer("{ this is simple }", CharsetUtil.UTF_8);
    int closingPos = source.forEachByte(new ClosingPositionBufProcessor('{', '}'));
    assertEquals(17, closingPos);/* w w  w  .ja  v  a2  s.  c o m*/
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ClosingPositionBufProcessorTest.java

License:Apache License

@Test
public void shouldNotFindClosingInBrokenSection() {
    ByteBuf source = Unpooled.copiedBuffer("{ this is simple", CharsetUtil.UTF_8);
    int closingPos = source.forEachByte(new ClosingPositionBufProcessor('{', '}'));
    assertEquals(-1, closingPos);/*from www.ja v a  2 s.c  o m*/
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ClosingPositionBufProcessorTest.java

License:Apache License

@Test
public void shouldFindClosingInSectionWithSubsection() {
    ByteBuf source = Unpooled.copiedBuffer("{ this is { simple } }", CharsetUtil.UTF_8);
    int closingPos = source.forEachByte(new ClosingPositionBufProcessor('{', '}'));
    assertEquals(21, closingPos);/* w  w  w  . j  a  va2  s . c  o m*/
    assertEquals(0, source.readerIndex());
}

From source file:com.couchbase.client.core.endpoint.util.ClosingPositionBufProcessorTest.java

License:Apache License

@Test
public void shouldNotFindClosingInBrokenSectionWithCompleteSubSection() {
    ByteBuf source = Unpooled.copiedBuffer("{ this is { complex } oups", CharsetUtil.UTF_8);
    int closingPos = source.forEachByte(new ClosingPositionBufProcessor('{', '}'));
    assertEquals(-1, closingPos);//from w ww.j a v a  2 s . c  o m
    assertEquals(0, source.readerIndex());
}