Java Code Examples for com.fasterxml.jackson.core.io.CharTypes#charToHex()

The following examples show how to use com.fasterxml.jackson.core.io.CharTypes#charToHex() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: UTF8StreamJsonParser.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
protected char _decodeEscaped() throws IOException
{
    if (_inputPtr >= _inputEnd) {
        if (!_loadMore()) {
            _reportInvalidEOF(" in character escape sequence", JsonToken.VALUE_STRING);
        }
    }
    int c = (int) _inputBuffer[_inputPtr++];

    switch (c) {
        // First, ones that are mapped
    case 'b':
        return '\b';
    case 't':
        return '\t';
    case 'n':
        return '\n';
    case 'f':
        return '\f';
    case 'r':
        return '\r';

        // And these are to be returned as they are
    case '"':
    case '/':
    case '\\':
        return (char) c;

    case 'u': // and finally hex-escaped
        break;

    default:
        return _handleUnrecognizedCharacterEscape((char) _decodeCharForError(c));
    }

    // Ok, a hex escape. Need 4 characters
    int value = 0;
    for (int i = 0; i < 4; ++i) {
        if (_inputPtr >= _inputEnd) {
            if (!_loadMore()) {
                _reportInvalidEOF(" in character escape sequence", JsonToken.VALUE_STRING);
            }
        }
        int ch = (int) _inputBuffer[_inputPtr++];
        int digit = CharTypes.charToHex(ch);
        if (digit < 0) {
            _reportUnexpectedChar(ch, "expected a hex-digit for character escape sequence");
        }
        value = (value << 4) | digit;
    }
    return (char) value;
}
Example 2
Source File: UTF8DataInputJsonParser.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
protected char _decodeEscaped() throws IOException
{
    int c = _inputData.readUnsignedByte();

    switch (c) {
        // First, ones that are mapped
    case 'b':
        return '\b';
    case 't':
        return '\t';
    case 'n':
        return '\n';
    case 'f':
        return '\f';
    case 'r':
        return '\r';

        // And these are to be returned as they are
    case '"':
    case '/':
    case '\\':
        return (char) c;

    case 'u': // and finally hex-escaped
        break;

    default:
        return _handleUnrecognizedCharacterEscape((char) _decodeCharForError(c));
    }

    // Ok, a hex escape. Need 4 characters
    int value = 0;
    for (int i = 0; i < 4; ++i) {
        int ch = _inputData.readUnsignedByte();
        int digit = CharTypes.charToHex(ch);
        if (digit < 0) {
            _reportUnexpectedChar(ch, "expected a hex-digit for character escape sequence");
        }
        value = (value << 4) | digit;
    }
    return (char) value;
}
Example 3
Source File: ReaderBasedJsonParser.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
protected char _decodeEscaped() throws IOException
{
    if (_inputPtr >= _inputEnd) {
        if (!_loadMore()) {
            _reportInvalidEOF(" in character escape sequence", JsonToken.VALUE_STRING);
        }
    }
    char c = _inputBuffer[_inputPtr++];

    switch ((int) c) {
        // First, ones that are mapped
    case 'b':
        return '\b';
    case 't':
        return '\t';
    case 'n':
        return '\n';
    case 'f':
        return '\f';
    case 'r':
        return '\r';

        // And these are to be returned as they are
    case '"':
    case '/':
    case '\\':
        return c;

    case 'u': // and finally hex-escaped
        break;

    default:
        return _handleUnrecognizedCharacterEscape(c);
    }

    // Ok, a hex escape. Need 4 characters
    int value = 0;
    for (int i = 0; i < 4; ++i) {
        if (_inputPtr >= _inputEnd) {
            if (!_loadMore()) {
                _reportInvalidEOF(" in character escape sequence", JsonToken.VALUE_STRING);
            }
        }
        int ch = (int) _inputBuffer[_inputPtr++];
        int digit = CharTypes.charToHex(ch);
        if (digit < 0) {
            _reportUnexpectedChar(ch, "expected a hex-digit for character escape sequence");
        }
        value = (value << 4) | digit;
    }
    return (char) value;
}
Example 4
Source File: NonBlockingJsonParser.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
private int _decodeSplitEscaped(int value, int bytesRead) throws IOException
{
    if (_inputPtr >= _inputEnd) {
        _quoted32 = value;
        _quotedDigits = bytesRead;
        return -1;
    }
    int c = _inputBuffer[_inputPtr++];
    if (bytesRead == -1) { // expecting first char after backslash
        switch (c) {
            // First, ones that are mapped
        case 'b':
            return '\b';
        case 't':
            return '\t';
        case 'n':
            return '\n';
        case 'f':
            return '\f';
        case 'r':
            return '\r';

            // And these are to be returned as they are
        case '"':
        case '/':
        case '\\':
            return c;

        case 'u': // and finally hex-escaped
            break;

        default:
            {
             // !!! TODO: Decode UTF-8 characters properly...
//              char ch = (char) _decodeCharForError(c);
                char ch = (char) c;
                return _handleUnrecognizedCharacterEscape(ch);
            }
        }
        if (_inputPtr >= _inputEnd) {
            _quotedDigits = 0;
            _quoted32 = 0;
            return -1;
        }
        c = _inputBuffer[_inputPtr++];
        bytesRead = 0;
    }
    c &= 0xFF;
    while (true) {
        int digit = CharTypes.charToHex(c);
        if (digit < 0) {
            _reportUnexpectedChar(c, "expected a hex-digit for character escape sequence");
        }
        value = (value << 4) | digit;
        if (++bytesRead == 4) {
            return value;
        }
        if (_inputPtr >= _inputEnd) {
            _quotedDigits = bytesRead;
            _quoted32 = value;
            return -1;
        }
        c = _inputBuffer[_inputPtr++] & 0xFF;
    }
}
Example 5
Source File: UTF8StreamJsonParser.java    From openbd-core with GNU General Public License v3.0 4 votes vote down vote up 
@Override
protected char _decodeEscaped() throws IOException
{
    if (_inputPtr >= _inputEnd) {
        if (!loadMore()) {
            _reportInvalidEOF(" in character escape sequence");
        }
    }
    int c = (int) _inputBuffer[_inputPtr++];

    switch (c) {
        // First, ones that are mapped
    case 'b':
        return '\b';
    case 't':
        return '\t';
    case 'n':
        return '\n';
    case 'f':
        return '\f';
    case 'r':
        return '\r';

        // And these are to be returned as they are
    case '"':
    case '/':
    case '\\':
        return (char) c;

    case 'u': // and finally hex-escaped
        break;

    default:
        return _handleUnrecognizedCharacterEscape((char) _decodeCharForError(c));
    }

    // Ok, a hex escape. Need 4 characters
    int value = 0;
    for (int i = 0; i < 4; ++i) {
        if (_inputPtr >= _inputEnd) {
            if (!loadMore()) {
                _reportInvalidEOF(" in character escape sequence");
            }
        }
        int ch = (int) _inputBuffer[_inputPtr++];
        int digit = CharTypes.charToHex(ch);
        if (digit < 0) {
            _reportUnexpectedChar(ch, "expected a hex-digit for character escape sequence");
        }
        value = (value << 4) | digit;
    }
    return (char) value;
}
Example 6
Source File: ReaderBasedJsonParser.java    From openbd-core with GNU General Public License v3.0 4 votes vote down vote up 
@Override
protected char _decodeEscaped() throws IOException
{
    if (_inputPtr >= _inputEnd) {
        if (!loadMore()) {
            _reportInvalidEOF(" in character escape sequence");
        }
    }
    char c = _inputBuffer[_inputPtr++];

    switch ((int) c) {
        // First, ones that are mapped
    case 'b':
        return '\b';
    case 't':
        return '\t';
    case 'n':
        return '\n';
    case 'f':
        return '\f';
    case 'r':
        return '\r';

        // And these are to be returned as they are
    case '"':
    case '/':
    case '\\':
        return c;

    case 'u': // and finally hex-escaped
        break;

    default:
        return _handleUnrecognizedCharacterEscape(c);
    }

    // Ok, a hex escape. Need 4 characters
    int value = 0;
    for (int i = 0; i < 4; ++i) {
        if (_inputPtr >= _inputEnd) {
            if (!loadMore()) {
                _reportInvalidEOF(" in character escape sequence");
            }
        }
        int ch = (int) _inputBuffer[_inputPtr++];
        int digit = CharTypes.charToHex(ch);
        if (digit < 0) {
            _reportUnexpectedChar(ch, "expected a hex-digit for character escape sequence");
        }
        value = (value << 4) | digit;
    }
    return (char) value;
}