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java.lang.Object com.singularsys.jep.configurableparser.matchers.SymbolTokenMatcher
public class SymbolTokenMatcher
Matches a fixed set of symbols, each represented by a SymbolToken. Each SymbolToken behaves like an singleton, only one instance is created and this is returned by the match method.
Constructor Summary | |
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SymbolTokenMatcher()
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Method Summary | |
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boolean |
add(SymbolToken t)
Adds a new SymbolToken to be matched. |
SymbolToken |
getSymbolToken(java.lang.String s)
Gets the root SymbolToken for this string. |
void |
init(Jep j)
Initialize the matcher when the Jep instance is known. |
Token |
match(java.lang.String s)
Match the start of the string. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SymbolTokenMatcher()
Method Detail |
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public Token match(java.lang.String s)
match
in interface TokenMatcher
s
- a string to be matched
public boolean add(SymbolToken t)
t
- a SymbolToken
public void init(Jep j)
TokenMatcher
init
in interface TokenMatcher
public SymbolToken getSymbolToken(java.lang.String s)
s
- a string to be matched exactly
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