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java.lang.Object org.apache.catalina.ssi.ExpressionTokenizer
Parses an expression string to return the individual tokens. This is patterned similar to the StreamTokenizer in the JDK but customized for SSI conditional expression parsing.
Field Summary | |
static int |
TOKEN_AND
|
static int |
TOKEN_END
|
static int |
TOKEN_EQ
|
static int |
TOKEN_GE
|
static int |
TOKEN_GT
|
static int |
TOKEN_LBRACE
|
static int |
TOKEN_LE
|
static int |
TOKEN_LT
|
static int |
TOKEN_NOT
|
static int |
TOKEN_NOT_EQ
|
static int |
TOKEN_OR
|
static int |
TOKEN_RBRACE
|
static int |
TOKEN_STRING
|
Constructor Summary | |
ExpressionTokenizer(java.lang.String expr)
Creates a new parser for the specified expression. |
Method Summary | |
int |
getIndex()
Returns the current index for error reporting purposes. |
java.lang.String |
getTokenValue()
Returns the String value of the token if it was type TOKEN_STRING. |
boolean |
hasMoreTokens()
Returns true if there are more tokens. |
protected boolean |
isMetaChar(char c)
|
int |
nextToken()
Returns the next token type and initializes any state variables accordingly. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final int TOKEN_STRING
public static final int TOKEN_AND
public static final int TOKEN_OR
public static final int TOKEN_NOT
public static final int TOKEN_EQ
public static final int TOKEN_NOT_EQ
public static final int TOKEN_RBRACE
public static final int TOKEN_LBRACE
public static final int TOKEN_GE
public static final int TOKEN_LE
public static final int TOKEN_GT
public static final int TOKEN_LT
public static final int TOKEN_END
Constructor Detail |
public ExpressionTokenizer(java.lang.String expr)
Method Detail |
public boolean hasMoreTokens()
public int getIndex()
protected boolean isMetaChar(char c)
public int nextToken()
public java.lang.String getTokenValue()
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