Package org.gjt.sp.jedit.syntax
Class KeywordMap
- java.lang.Object
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- org.gjt.sp.jedit.syntax.KeywordMap
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public class KeywordMap extends java.lang.ObjectAKeywordMapis similar to a hashtable in that it maps keys to values. However, the `keys' are Swing segments. This allows lookups of text substrings without the overhead of creating a new string object.
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Constructor Summary
Constructors Constructor Description KeywordMap(boolean ignoreCase)Creates a newKeywordMap.KeywordMap(boolean ignoreCase, int mapLength)Creates a newKeywordMap.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidadd(char[] keyword, byte id)Adds a key-value mapping.voidadd(java.lang.String keyword, byte id)Adds a key-value mapping.voidadd(KeywordMap map)Adds the content of another keyword map to this one.booleangetIgnoreCase()Returns true if the keyword map is set to be case insensitive, false otherwise.java.lang.String[]getKeywords()Returns an array containing all keywords in this keyword map.java.lang.StringgetNonAlphaNumericChars()Returns all non-alphanumeric characters that appear in the keywords of this keyword map.protected intgetSegmentMapKey(javax.swing.text.Segment s, int off, int len)bytelookup(javax.swing.text.Segment text, int offset, int length)Looks up a key.voidsetIgnoreCase(boolean ignoreCase)Sets if the keyword map should be case insensitive.
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Constructor Detail
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KeywordMap
public KeywordMap(boolean ignoreCase)
Creates a newKeywordMap.- Parameters:
ignoreCase- True if keys are case insensitive
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KeywordMap
public KeywordMap(boolean ignoreCase, int mapLength)Creates a newKeywordMap.- Parameters:
ignoreCase- True if the keys are case insensitivemapLength- The number of `buckets' to create. A value of 52 will give good performance for most maps.
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Method Detail
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lookup
public byte lookup(javax.swing.text.Segment text, int offset, int length)Looks up a key.- Parameters:
text- The text segmentoffset- The offset of the substring within the text segmentlength- The length of the substring
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add
public void add(java.lang.String keyword, byte id)Adds a key-value mapping.- Parameters:
keyword- The keyid- The value
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add
public void add(char[] keyword, byte id)Adds a key-value mapping.- Parameters:
keyword- The keyid- The value- Since:
- jEdit 4.2pre3
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getNonAlphaNumericChars
public java.lang.String getNonAlphaNumericChars()
Returns all non-alphanumeric characters that appear in the keywords of this keyword map.- Since:
- jEdit 4.0pre3
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getKeywords
public java.lang.String[] getKeywords()
Returns an array containing all keywords in this keyword map.- Since:
- jEdit 4.0pre3
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getIgnoreCase
public boolean getIgnoreCase()
Returns true if the keyword map is set to be case insensitive, false otherwise.
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setIgnoreCase
public void setIgnoreCase(boolean ignoreCase)
Sets if the keyword map should be case insensitive.- Parameters:
ignoreCase- True if the keyword map should be case insensitive, false otherwise
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add
public void add(KeywordMap map)
Adds the content of another keyword map to this one.- Since:
- jEdit 4.2pre3
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getSegmentMapKey
protected int getSegmentMapKey(javax.swing.text.Segment s, int off, int len)
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