Examples with ParserCursor org.apache.hc.core5.http.message.ParserCursor used on opensource projects

Example 16 with ParserCursor

use of org.apache.hc.core5.http.message.ParserCursor in project httpcomponents-core by apache.

the class AbstractHeaderElementIterator method bufferHeaderValue.

private void bufferHeaderValue() {
    this.cursor = null;
    this.buffer = null;
    while (this.headerIt.hasNext()) {
        final Header h = this.headerIt.next();
        if (h instanceof FormattedHeader) {
            this.buffer = ((FormattedHeader) h).getBuffer();
            this.cursor = new ParserCursor(0, this.buffer.length());
            this.cursor.updatePos(((FormattedHeader) h).getValuePos());
            break;
        }
        final String value = h.getValue();
        if (value != null) {
            this.buffer = value;
            this.cursor = new ParserCursor(0, value.length());
            break;
        }
    }
}

Example 17 with ParserCursor

use of org.apache.hc.core5.http.message.ParserCursor in project httpcomponents-core by apache.

the class BasicLineParser method parseRequestLine.

/**
 * Parses a request line.
 *
 * @param buffer    a buffer holding the line to parse
 *
 * @return  the parsed request line
 *
 * @throws ParseException        in case of a parse error
 */
@Override
public RequestLine parseRequestLine(final CharArrayBuffer buffer) throws ParseException {
    Args.notNull(buffer, "Char array buffer");
    final ParserCursor cursor = new ParserCursor(0, buffer.length());
    this.tokenizer.skipWhiteSpace(buffer, cursor);
    final String method = this.tokenizer.parseToken(buffer, cursor, BLANKS);
    if (TextUtils.isEmpty(method)) {
        throw new ParseException("Invalid request line", buffer, cursor.getLowerBound(), cursor.getUpperBound(), cursor.getPos());
    }
    this.tokenizer.skipWhiteSpace(buffer, cursor);
    final String uri = this.tokenizer.parseToken(buffer, cursor, BLANKS);
    if (TextUtils.isEmpty(uri)) {
        throw new ParseException("Invalid request line", buffer, cursor.getLowerBound(), cursor.getUpperBound(), cursor.getPos());
    }
    final ProtocolVersion ver = parseProtocolVersion(buffer, cursor);
    this.tokenizer.skipWhiteSpace(buffer, cursor);
    if (!cursor.atEnd()) {
        throw new ParseException("Invalid request line", buffer, cursor.getLowerBound(), cursor.getUpperBound(), cursor.getPos());
    }
    return new RequestLine(method, uri, ver);
}

Example 18 with ParserCursor

use of org.apache.hc.core5.http.message.ParserCursor in project httpcomponents-core by apache.

the class URIBuilder method parseQuery.

static List<NameValuePair> parseQuery(final CharSequence s, final Charset charset, final boolean plusAsBlank) {
    if (s == null) {
        return null;
    }
    final Tokenizer tokenParser = Tokenizer.INSTANCE;
    final ParserCursor cursor = new ParserCursor(0, s.length());
    final List<NameValuePair> list = new ArrayList<>();
    while (!cursor.atEnd()) {
        final String name = tokenParser.parseToken(s, cursor, QUERY_PARAM_SEPARATORS);
        String value = null;
        if (!cursor.atEnd()) {
            final int delim = s.charAt(cursor.getPos());
            cursor.updatePos(cursor.getPos() + 1);
            if (delim == PARAM_VALUE_SEPARATOR) {
                value = tokenParser.parseToken(s, cursor, QUERY_VALUE_SEPARATORS);
                if (!cursor.atEnd()) {
                    cursor.updatePos(cursor.getPos() + 1);
                }
            }
        }
        if (!name.isEmpty()) {
            list.add(new BasicNameValuePair(PercentCodec.decode(name, charset, plusAsBlank), PercentCodec.decode(value, charset, plusAsBlank)));
        }
    }
    return list;
}

Example 19 with ParserCursor

use of org.apache.hc.core5.http.message.ParserCursor in project httpcomponents-core by apache.

the class URIBuilder method splitPath.

static List<String> splitPath(final CharSequence s) {
    if (s == null) {
        return null;
    }
    final ParserCursor cursor = new ParserCursor(0, s.length());
    // Skip leading separator
    if (cursor.atEnd()) {
        return new ArrayList<>(0);
    }
    if (PATH_SEPARATORS.get(s.charAt(cursor.getPos()))) {
        cursor.updatePos(cursor.getPos() + 1);
    }
    final List<String> list = new ArrayList<>();
    final StringBuilder buf = new StringBuilder();
    for (; ; ) {
        if (cursor.atEnd()) {
            list.add(buf.toString());
            break;
        }
        final char current = s.charAt(cursor.getPos());
        if (PATH_SEPARATORS.get(current)) {
            list.add(buf.toString());
            buf.setLength(0);
        } else {
            buf.append(current);
        }
        cursor.updatePos(cursor.getPos() + 1);
    }
    return list;
}

Example 20 with ParserCursor

use of org.apache.hc.core5.http.message.ParserCursor in project httpcomponents-core by apache.

the class TestBasicLineParser method testHttpVersionParsing.

@Test
public void testHttpVersionParsing() throws Exception {
    final CharArrayBuffer buffer = new CharArrayBuffer(16);
    buffer.append("HTTP/1.1");
    ParserCursor cursor = new ParserCursor(0, buffer.length());
    HttpVersion version = (HttpVersion) parser.parseProtocolVersion(buffer, cursor);
    Assertions.assertEquals("HTTP", version.getProtocol(), "HTTP protocol name");
    Assertions.assertEquals(1, version.getMajor(), "HTTP major version number");
    Assertions.assertEquals(1, version.getMinor(), "HTTP minor version number");
    Assertions.assertEquals("HTTP/1.1", version.toString(), "HTTP version number");
    Assertions.assertEquals(buffer.length(), cursor.getPos());
    Assertions.assertTrue(cursor.atEnd());
    buffer.clear();
    buffer.append("HTTP/1.123 123");
    cursor = new ParserCursor(0, buffer.length());
    version = (HttpVersion) parser.parseProtocolVersion(buffer, cursor);
    Assertions.assertEquals("HTTP", version.getProtocol(), "HTTP protocol name");
    Assertions.assertEquals(1, version.getMajor(), "HTTP major version number");
    Assertions.assertEquals(123, version.getMinor(), "HTTP minor version number");
    Assertions.assertEquals("HTTP/1.123", version.toString(), "HTTP version number");
    Assertions.assertEquals(' ', buffer.charAt(cursor.getPos()));
    Assertions.assertEquals(buffer.length() - 4, cursor.getPos());
    Assertions.assertFalse(cursor.atEnd());
}