charclasses.html

来自「数据挖掘的最常用工具。由于开源」· HTML 代码 · 共 678 行 · 第 1/2 页

<DL>
<DD>Constructs a new CharClass object that provides space for 
 classes of characters from 0 to maxCharCode.

 Initially all characters are in class 0.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>maxCharCode</CODE> - the last character code to be
                    considered. (127 for 7bit Lexers, 
                    255 for 8bit Lexers and 0xFFFF
                    for Unicode Lexers).</DL>
</DL>

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<B>Method Detail</B></FONT></TH>
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<A NAME="getMaxCharCode()"><!-- --></A><H3>
getMaxCharCode</H3>
<PRE>
public char <B>getMaxCharCode</B>()</PRE>
<DL>
<DD>Returns the greatest Unicode value of the current input character set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxCharCode(int)"><!-- --></A><H3>
setMaxCharCode</H3>
<PRE>
public void <B>setMaxCharCode</B>(int&nbsp;charCode)</PRE>
<DL>
<DD>Sets the larges Unicode value of the current input character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>charCode</CODE> - the largest character code, used for the scanner 
                   (i.e. %7bit, %8bit, %16bit etc.)</DL>
</DD>
</DL>
<HR>

<A NAME="getNumClasses()"><!-- --></A><H3>
getNumClasses</H3>
<PRE>
public int <B>getNumClasses</B>()</PRE>
<DL>
<DD>Returns the current number of character classes.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="makeClass(weka.core.parser.JFlex.IntCharSet, boolean)"><!-- --></A><H3>
makeClass</H3>
<PRE>
public void <B>makeClass</B>(<A HREF="../../../../weka/core/parser/JFlex/IntCharSet.html" title="class in weka.core.parser.JFlex">IntCharSet</A>&nbsp;set,
                      boolean&nbsp;caseless)</PRE>
<DL>
<DD>Updates the current partition, so that the specified set of characters
 gets a new character class.

 Characters that are elements of <code>set</code> are not in the same
 equivalence class with characters that are not elements of <code>set</code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>set</CODE> - the set of characters to distinguish from the rest<DD><CODE>caseless</CODE> - if true upper/lower/title case are considered equivalent</DL>
</DD>
</DL>
<HR>

<A NAME="getClassCode(char)"><!-- --></A><H3>
getClassCode</H3>
<PRE>
public int <B>getClassCode</B>(char&nbsp;letter)</PRE>
<DL>
<DD>Returns the code of the character class the specified character belongs to.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="dump()"><!-- --></A><H3>
dump</H3>
<PRE>
public void <B>dump</B>()</PRE>
<DL>
<DD>Dump charclasses to the dump output stream
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString(int)"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>(int&nbsp;theClass)</PRE>
<DL>
<DD>Return a string representation of one char class
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>theClass</CODE> - the index of the class to</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Return a string representation of the char classes
 stored in this class. 

 Enumerates the classes by index.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="makeClass(char, boolean)"><!-- --></A><H3>
makeClass</H3>
<PRE>
public void <B>makeClass</B>(char&nbsp;singleChar,
                      boolean&nbsp;caseless)</PRE>
<DL>
<DD>Creates a new character class for the single character <code>singleChar</code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>caseless</CODE> - if true upper/lower/title case are considered equivalent</DL>
</DD>
</DL>
<HR>

<A NAME="makeClass(java.lang.String, boolean)"><!-- --></A><H3>
makeClass</H3>
<PRE>
public void <B>makeClass</B>(java.lang.String&nbsp;str,
                      boolean&nbsp;caseless)</PRE>
<DL>
<DD>Creates a new character class for each character of the specified String.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>caseless</CODE> - if true upper/lower/title case are considered equivalent</DL>
</DD>
</DL>
<HR>

<A NAME="makeClass(java.util.Vector, boolean)"><!-- --></A><H3>
makeClass</H3>
<PRE>
public void <B>makeClass</B>(java.util.Vector&nbsp;v,
                      boolean&nbsp;caseless)</PRE>
<DL>
<DD>Updates the current partition, so that the specified set of characters
 gets a new character class.

 Characters that are elements of the set <code>v</code> are not in the same
 equivalence class with characters that are not elements of the set <code>v</code>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - a Vector of Interval objects. 
            This Vector represents a set of characters. The set of characters is
            the union of all intervalls in the Vector.<DD><CODE>caseless</CODE> - if true upper/lower/title case are considered equivalent</DL>
</DD>
</DL>
<HR>

<A NAME="makeClassNot(java.util.Vector, boolean)"><!-- --></A><H3>
makeClassNot</H3>
<PRE>
public void <B>makeClassNot</B>(java.util.Vector&nbsp;v,
                         boolean&nbsp;caseless)</PRE>
<DL>
<DD>Updates the current partition, so that the set of all characters not contained in the specified 
 set of characters gets a new character class.

 Characters that are elements of the set <code>v</code> are not in the same
 equivalence class with characters that are not elements of the set <code>v</code>.

 This method is equivalent to <code>makeClass(v)</code>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - a Vector of Interval objects. 
            This Vector represents a set of characters. The set of characters is
            the union of all intervalls in the Vector.<DD><CODE>caseless</CODE> - if true upper/lower/title case are considered equivalent</DL>
</DD>
</DL>
<HR>

<A NAME="getClassCodes(java.util.Vector)"><!-- --></A><H3>
getClassCodes</H3>
<PRE>
public int[] <B>getClassCodes</B>(java.util.Vector&nbsp;intervallVec)</PRE>
<DL>
<DD>Returns an array that contains the character class codes of all characters
 in the specified set of input characters.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>intervallVec</CODE> - a Vector of Intervalls, the set of characters to get
                       the class codes for
<DT><B>Returns:</B><DD>an array with the class codes for intervallVec</DL>
</DD>
</DL>
<HR>

<A NAME="getNotClassCodes(java.util.Vector)"><!-- --></A><H3>
getNotClassCodes</H3>
<PRE>
public int[] <B>getNotClassCodes</B>(java.util.Vector&nbsp;intervallVec)</PRE>
<DL>
<DD>Returns an array that contains the character class codes of all characters
 that are <strong>not</strong> in the specified set of input characters.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>intervallVec</CODE> - a Vector of Intervalls, the complement of the
                       set of characters to get the class codes for
<DT><B>Returns:</B><DD>an array with the class codes for the complement of intervallVec</DL>
</DD>
</DL>
<HR>

<A NAME="check()"><!-- --></A><H3>
check</H3>
<PRE>
public void <B>check</B>()</PRE>
<DL>
<DD>Check consistency of the stored classes [debug].

 all classes must be disjoint, checks if all characters
 have a class assigned.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getIntervalls()"><!-- --></A><H3>
getIntervalls</H3>
<PRE>
public <A HREF="../../../../weka/core/parser/JFlex/CharClassInterval.html" title="class in weka.core.parser.JFlex">CharClassInterval</A>[] <B>getIntervalls</B>()</PRE>
<DL>
<DD>Returns an array of all CharClassIntervalls in this
 char class collection. 

 The array is ordered by char code, i.e.
 <code>result[i+1].start = result[i].end+1</code>

 Each CharClassInterval contains the number of the
 char class it belongs to.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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