pub fn from_buf_reader<R: BufRead>(r: &mut R) -> Result<Self, LspDataParseError> {
        // Read in our headers first so we can figure out how much more to read
        let mut buf = String::new();
        loop {
            // Track starting position for new buffer content
            let start = buf.len();

            // Block on each line of input!
            let len = r.read_line(&mut buf)?;
            let end = start + len;

            // We shouldn't be getting end of the reader yet
            if len == 0 {
                return Err(LspDataParseError::UnexpectedEof);
            }

            let line = &buf[start..end];

            // Check if we've gotten bad data
            if !line.ends_with("\r\n") {
                return Err(LspDataParseError::BadHeaderTermination);

            // Check if we've received the header termination
            } else if line == "\r\n" {
                break;
            }
        }

        // Parse the header content so we know how much more to read
        let header = buf.parse::<LspHeader>()?;

        // Read remaining content
        let content = {
            let mut buf = vec![0u8; header.content_length];
            r.read_exact(&mut buf).map_err(|x| {
                if x.kind() == io::ErrorKind::UnexpectedEof {
                    LspDataParseError::UnexpectedEof
                } else {
                    LspDataParseError::IoError(x)
                }
            })?;
            String::from_utf8(buf)?.parse::<LspContent>()?
        };

        Ok(Self { header, content })
    }
/// Attempts to read incoming lsp data from a buffered reader.
///
/// Note that this is **blocking** while it waits on the header information (or EOF)!
///
/// ```text
/// Content-Length: ...\r\n
/// Content-Type: ...\r\n
/// \r\n
/// {
///     "jsonrpc": "2.0",
///     ...
/// }
/// ```
Attempts to read incoming lsp data from a buffered reader.
Note that this is **blocking** while it waits on the header information (or EOF)!


Attempts to read incoming lsp data from a buffered reader . Note that this is ** blocking ** while it waits on the header information ( or EOF ) !
pub fn from_buf_reader<R: BufRead>(r: &mut R) -> Result<Self, LspDataParseError> {
        // Read in our headers first so we can figure out how much more to read
        let mut buf = String::new();
        loop {
            // Track starting position for new buffer content
            let start = buf.len();
            // Block on each line of input!
            let len = r.read_line(&mut buf)?;
            let end = start + len;
            // We shouldn't be getting end of the reader yet
            if len == 0 {
                return Err(LspDataParseError::UnexpectedEof);
            }
            let line = &buf[start..end];
            // Check if we've gotten bad data
            if !line.ends_with("\r\n") {
                return Err(LspDataParseError::BadHeaderTermination);
            // Check if we've received the header termination
            } else if line == "\r\n" {
                break;
            }
        }
        // Parse the header content so we know how much more to read
        let header = buf.parse::<LspHeader>()?;
        // Read remaining content
        let content = {
            let mut buf = vec![0u8; header.content_length];
            r.read_exact(&mut buf).map_err(|x| {
                if x.kind() == io::ErrorKind::UnexpectedEof {
                    LspDataParseError::UnexpectedEof
                } else {
                    LspDataParseError::IoError(x)
                }
            })?;
            String::from_utf8(buf)?.parse::<LspContent>()?
        };
        Ok(Self { header, content })
    }
pub fn from_buf_reader < R : BufRead > ( r : & mut R ) -> Result < Self , LspDataParseError > { // Read in our headers first so we can figure out how much more to read let mut buf = String :: new ( ) ; loop { // Track starting position for new buffer content let start = buf . len ( ) ; // Block on each line of input! let len = r . read_line ( & mut buf ) ? ; let end = start + len ; // We shouldn't be getting end of the reader yet if len == 0 { return Err ( LspDataParseError :: UnexpectedEof ) ; } let line = & buf [ start .. end ] ; // Check if we've gotten bad data if ! line . ends_with ( " \r \n " ) { return Err ( LspDataParseError :: BadHeaderTermination ) ; // Check if we've received the header termination } else if line == " \r \n " { break ; } } // Parse the header content so we know how much more to read let header = buf . parse :: < LspHeader > ( ) ? ; // Read remaining content let content = { let mut buf = vec ! [ 0u8 header content_length ] ; r . read_exact ( & mut buf ) . map_err ( | x | { if x . kind ( ) == io :: ErrorKind :: UnexpectedEof { LspDataParseError :: UnexpectedEof } else { LspDataParseError :: IoError ( x ) } } ) ? ; String :: from_utf8 ( buf ) ? . parse :: < LspContent > ( ) ? } ; Ok ( Self { header , content } ) }
Attempts to read incoming lsp data from a buffered reader.
Attempts to read incoming lsp data from a buffered reader .
r
&mut R