com.stimulsoft.base
Class StiLexer

java.lang.Object
  com.stimulsoft.base.StiLexer

public class StiLexer
extends java.lang.Object

Copyright Stimulsoft

Field Summary

java.lang.String	baseText
int	begToken Start of current token.
int	positionInText Gets or sets current position in text.
java.util.List<java.lang.Integer>	positions Start positions of token.

Constructor Summary

StiLexer(java.lang.String textValue)
Creates a new instance of the StiLexer class.

Method Summary

static java.util.List<StiToken>	getAllTokens(java.lang.String str)
StiPosition	getPosition(int positionInText) Gets position of token in text.
java.lang.StringBuilder	getText() text for analys.
StiToken	getToken() Gets next token.
static boolean	identExists(java.lang.String str, java.lang.String name, boolean caseSensitive)
void	replaceWithNotEqualPrefix(StiTokenType prefix, java.lang.String oldValue, java.lang.String newValue) Replaces all occurrences of a specified String, with another specified String.
void	replaceWithPrefix(java.lang.String prefix, java.lang.String oldValue, java.lang.String newValue) Replaces all occurrences of a specified String, with another specified String.
static java.lang.String	replaceWithPrefix(java.lang.String textValue, java.lang.String prefix, java.lang.String oldValue, java.lang.String newValue) Replaces all occurrences of a specified String, with another specified String.
void	reset() Reset state.
void	savePosToken() Saves position of token in text.
StiToken	scanChar() Scans the symbol.
StiToken	scanIdent() Scans the identifier.
StiToken	scanNumber() Scans the number.
StiToken	scanString() Scans the String.
void	setText(java.lang.StringBuilder value) text for analys.
void	skip() Skips all not control symbols.
void	ungetToken() Returns to previous token.
boolean	waitAssign2() Wait the assign.
boolean	waitComma2() Wait the right bracket.
boolean	waitLbrace2() Wait the left brace.
boolean	waitLparen2() Wait the left paren.
boolean	waitRbrace2() Wait the right brace.
boolean	waitRparen2() Wait the right paren.
boolean	waitSemicolon2() Wait the semicolon.

Methods inherited from class java.lang.Object

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

Field Detail

baseText

public java.lang.String baseText

positions

public java.util.List<java.lang.Integer> positions

Start positions of token.

positionInText

public int positionInText

Gets or sets current position in text.

begToken

public int begToken

Start of current token.

Constructor Detail

StiLexer

public StiLexer(java.lang.String textValue)

Creates a new instance of the StiLexer class.

Parameters:

textValue - The text for lexical analysis.

Method Detail

getText

public java.lang.StringBuilder getText()

text for analys.

Returns:

the text

setText

public void setText(java.lang.StringBuilder value)

text for analys.

Parameters:

text - the text to set

savePosToken

public void savePosToken()

Saves position of token in text.

getPosition

public StiPosition getPosition(int positionInText)

Gets position of token in text.

Parameters:

positionInText - Position in text.

Returns:

Position of token in text.

skip

public void skip()

Skips all not control symbols.

waitLparen2

public boolean waitLparen2()

Wait the left paren.

Returns:

waitComma2

public boolean waitComma2()

Wait the right bracket.

Returns:

waitAssign2

public boolean waitAssign2()

Wait the assign.

Returns:

waitRparen2

public boolean waitRparen2()

Wait the right paren.

Returns:

waitLbrace2

public boolean waitLbrace2()

Wait the left brace.

Returns:

waitSemicolon2

public boolean waitSemicolon2()

Wait the semicolon.

Returns:

waitRbrace2

public boolean waitRbrace2()

Wait the right brace.

Returns:

scanNumber

public StiToken scanNumber()

Scans the number.

Returns:

Token containing number.

scanIdent

public StiToken scanIdent()

Scans the identifier.

Returns:

Token containing identifier.

scanString

public StiToken scanString()

Scans the String.

Returns:

Token containing String

scanChar

public StiToken scanChar()

Scans the symbol.

Returns:

Token containing symbol.

ungetToken

public void ungetToken()

Returns to previous token.

getToken

public StiToken getToken()

Gets next token.

Returns:

Next token.

reset

public void reset()

Reset state.

replaceWithPrefix

public static java.lang.String replaceWithPrefix(java.lang.String textValue,
                                                 java.lang.String prefix,
                                                 java.lang.String oldValue,
                                                 java.lang.String newValue)

Replaces all occurrences of a specified String, with another specified String. Before oldValue must follow specified prefix - token. Replacing is produced with provision for tokens.

Parameters:

textValue - text for replace.

prefix - Prefix - token.

oldValue - A String to be replaced.

newValue - A String to replace all occurrences of oldValue.

Returns:

Replaced String.

replaceWithPrefix

public void replaceWithPrefix(java.lang.String prefix,
                              java.lang.String oldValue,
                              java.lang.String newValue)

Replaces all occurrences of a specified String, with another specified String. Before oldValue must follow specified prefix - String. Replacing is produced with provision for tokens.

Parameters:

prefix - Prefix - String.

oldValue - A String to be replaced.

newValue - A String to replace all occurrences of oldValue.

replaceWithNotEqualPrefix

public void replaceWithNotEqualPrefix(StiTokenType prefix,
                                      java.lang.String oldValue,
                                      java.lang.String newValue)

Replaces all occurrences of a specified String, with another specified String. Before oldValue must not follow specified prefix - String.

Parameters:

prefix - Prefix - String.

oldValue - A String to be replaced.

newValue - A String to replace all occurrences of oldValue.

identExists

public static boolean identExists(java.lang.String str,
                                  java.lang.String name,
                                  boolean caseSensitive)

getAllTokens

public static java.util.List<StiToken> getAllTokens(java.lang.String str)