Package mil.nga.crs.wkt

Class TextReader

java.lang.Object

mil.nga.crs.wkt.TextReader

public class TextReader
extends Object

Read through text string

Author:

osbornb

Constructor Summary

Constructors

Constructor	Description
TextReader(Reader reader)	Constructor
TextReader(Reader reader, boolean includeQuotes)	Constructor
TextReader(String text)	Constructor
TextReader(String text, boolean includeQuotes)	Constructor

Method Summary

Modifier and Type	Method	Description
void	close()	Close the text reader
Reader	getReader()	Get the reader
boolean	isIncludeQuotes()	Is include quotes enabled
static boolean	isQuoteCharacter(char c)	Check if the character is a quote character
static boolean	isTokenCharacter(char c)	Check if the character is a contiguous block token character: ( [a-z] | [A-Z] | [0-9] | - | .
static boolean	isWhitespace(char c)	Check if the character is whitespace or a space character
String	peekExpectedToken()	Peek at the next expected token without reading past it
String	peekExpectedToken(int num)	Peek at the next expected token without reading past it
String	peekToken()	Peek at the next token without reading past it
String	peekToken(int num)	Peek at a token without reading past it
void	pushToken(String token)	Push a token back onto the read cache
String	readExpectedToken()	Read an expected token
int	readInteger()	Read a signed integer
double	readNumber()	Read a signed number as a double
String	readToken()	Read the next token.
int	readUnsignedInteger()	Read an unsigned integer
double	readUnsignedNumber()	Read an unsigned number as a double
void	reset()	Reset the reader
void	setIncludeQuotes(boolean includeQuotes)	Set the include quotes setting

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TextReader

public TextReader(String text)

Constructor

Parameters:

text - text

TextReader

public TextReader(Reader reader)

Constructor

Parameters:

reader - reader

TextReader

public TextReader(String text,
                  boolean includeQuotes)

Constructor

Parameters:

text - text

includeQuotes - include quotes

TextReader

public TextReader(Reader reader,
                  boolean includeQuotes)

Constructor

Parameters:

reader - reader

includeQuotes - include quotes

Method Detail

getReader

public Reader getReader()

Get the reader

Returns:

reader

isIncludeQuotes

public boolean isIncludeQuotes()

Is include quotes enabled

Returns:

include quotes setting

setIncludeQuotes

public void setIncludeQuotes(boolean includeQuotes)

Set the include quotes setting

Parameters:

includeQuotes - true to include quotes

reset

public void reset()
           throws IOException

Reset the reader

Throws:

IOException - upon reset error

close

public void close()

Close the text reader

readToken

public String readToken()
                 throws IOException

Read the next token. Ignores whitespace until a non whitespace character is encountered. Returns a contiguous block of token characters ( [a-z] | [A-Z] | [0-9] | - | . | + | : | _ ) or a non whitespace single character.

Returns:

token

Throws:

IOException - upon read error

peekToken

public String peekToken()
                 throws IOException

Peek at the next token without reading past it

Returns:

next token

Throws:

IOException - upon read error

peekToken

public String peekToken(int num)
                 throws IOException

Peek at a token without reading past it

Parameters:

num - number of tokens out to peek at

Returns:

token

Throws:

IOException - upon read error

pushToken

public void pushToken(String token)

Push a token back onto the read cache

Parameters:

token - token

readExpectedToken

public String readExpectedToken()
                         throws IOException

Read an expected token

Returns:

token

Throws:

IOException - upon read error

peekExpectedToken

public String peekExpectedToken()
                         throws IOException

Peek at the next expected token without reading past it

Returns:

next token

Throws:

IOException - upon read error

peekExpectedToken

public String peekExpectedToken(int num)
                         throws IOException

Peek at the next expected token without reading past it

Parameters:

num - number of tokens out to peek at

Returns:

token

Throws:

IOException - upon read error

readNumber

public double readNumber()
                  throws IOException

Read a signed number as a double

Returns:

signed double

Throws:

IOException - upon failure to read

readUnsignedNumber

public double readUnsignedNumber()
                          throws IOException

Read an unsigned number as a double

Returns:

unsigned double

Throws:

IOException - upon failure to read

readInteger

public int readInteger()
                throws IOException

Read a signed integer

Returns:

signed integer

Throws:

IOException - upon failure to read

readUnsignedInteger

public int readUnsignedInteger()
                        throws IOException

Read an unsigned integer

Returns:

unsigned integer

Throws:

IOException - upon failure to read

isTokenCharacter

public static boolean isTokenCharacter(char c)

Check if the character is a contiguous block token character: ( [a-z] | [A-Z] | [0-9] | - | . | + | : | _ )

Parameters:

c - character

Returns:

true if token character

Since:

1.1.3

isQuoteCharacter

public static boolean isQuoteCharacter(char c)

Check if the character is a quote character

Parameters:

c - character

Returns:

true if quote character

Since:

1.1.3

isWhitespace

public static boolean isWhitespace(char c)

Check if the character is whitespace or a space character

Parameters:

c - character

Returns:

true if whitespace

Since:

1.1.3