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JDK15RegexTranslator
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<FONT SIZE="-1">
net.sf.saxon.functions.regex</FONT>
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Class JDK15RegexTranslator</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html" title="class in net.sf.saxon.functions.regex">net.sf.saxon.functions.regex.RegexTranslator</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>net.sf.saxon.functions.regex.JDK15RegexTranslator</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>JDK15RegexTranslator</B><DT>extends <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html" title="class in net.sf.saxon.functions.regex">RegexTranslator</A></DL>
</PRE>
<P>
This class translates XML Schema regex syntax into JDK 1.5 regex syntax. This differs from the JDK 1.4
translator because JDK 1.5 handles non-BMP characters (wide characters) in places where JDK 1.4 does not,
for example in a range such as [X-Y]. This enables much of the code from the 1.4 translator to be
removed.
Author: James Clark, Thai Open Source Software Center Ltd. See statement at end of file.
Modified by Michael Kay (a) to integrate the code into Saxon, and (b) to support XPath additions
to the XML Schema regex syntax. This version also removes most of the complexities of handling non-BMP
characters, since JDK 1.5 handles these natively.
<P>
<P>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
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<CODE>protected static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.CharClass.html" title="class in net.sf.saxon.functions.regex">JDK15RegexTranslator.CharClass</A></B></CODE>
<BR>
</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.CharRange.html" title="class in net.sf.saxon.functions.regex">JDK15RegexTranslator.CharRange</A></B></CODE>
<BR>
</TD>
</TR>
</TABLE>
<A NAME="nested_classes_inherited_from_class_net.sf.saxon.functions.regex.RegexTranslator"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Nested classes/interfaces inherited from class net.sf.saxon.functions.regex.<A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html" title="class in net.sf.saxon.functions.regex">RegexTranslator</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.Range.html" title="class in net.sf.saxon.functions.regex">RegexTranslator.Range</A></CODE></TD>
</TR>
</TABLE>
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.CharClass.html" title="class in net.sf.saxon.functions.regex">JDK15RegexTranslator.CharClass</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.html#categoryCharClasses">categoryCharClasses</A></B></CODE>
<BR>
Translates XML Schema and XPath regexes into <code>java.util.regex</code> regexes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.CharClass.html" title="class in net.sf.saxon.functions.regex">JDK15RegexTranslator.CharClass</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.html#subCategoryCharClasses">subCategoryCharClasses</A></B></CODE>
<BR>
</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_net.sf.saxon.functions.regex.RegexTranslator"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class net.sf.saxon.functions.regex.<A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html" title="class in net.sf.saxon.functions.regex">RegexTranslator</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#ALL">ALL</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#captures">captures</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#caseBlind">caseBlind</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#curChar">curChar</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#currentCapture">currentCapture</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#eos">eos</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#expandComplementBlockNames">expandComplementBlockNames</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#ignoreWhitespace">ignoreWhitespace</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#inCharClassExpr">inCharClassExpr</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#isXPath">isXPath</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#isXPath30">isXPath30</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#length">length</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#NONE">NONE</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#NOT_ALLOWED_CLASS">NOT_ALLOWED_CLASS</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#pos">pos</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#regExp">regExp</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#result">result</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#SOME">SOME</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#SURROGATES1_CLASS">SURROGATES1_CLASS</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#SURROGATES2_CLASS">SURROGATES2_CLASS</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#warnings">warnings</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#xmlVersion">xmlVersion</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#xsdVersion">xsdVersion</A></CODE></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.html#main(java.lang.String[])">main</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] args)</CODE>
<BR>
Main method for testing.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.html#translate(java.lang.CharSequence, int, int, java.util.List)">translate</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> regExp,
int options,
int flagbits,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A>> warnings)</CODE>
<BR>
Translates a regular expression in the syntax of XML Schemas Part 2 into a regular
expression in the syntax of <code>java.util.regex.Pattern</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.html#translateAtom()">translateAtom</A></B>()</CODE>
<BR>
If what follows is an Atom, translate it and return true; otherwise return false</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_net.sf.saxon.functions.regex.RegexTranslator"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class net.sf.saxon.functions.regex.<A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html" title="class in net.sf.saxon.functions.regex">RegexTranslator</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#absorbSurrogatePair()">absorbSurrogatePair</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#advance()">advance</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#copyCurChar()">copyCurChar</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#expect(char)">expect</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#highSurrogateRanges(java.util.List)">highSurrogateRanges</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#isAsciiAlnum(char)">isAsciiAlnum</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#isJavaMetaChar(int)">isJavaMetaChar</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#lowSurrogateRanges(java.util.List)">lowSurrogateRanges</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#makeException(java.lang.String)">makeException</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#makeException(java.lang.String, java.lang.String)">makeException</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#parseQuantExact()">parseQuantExact</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#recede()">recede</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateBranch()">translateBranch</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateQuantifier()">translateQuantifier</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateQuantity()">translateQuantity</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateRegExp()">translateRegExp</A>, <A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateTop()">translateTop</A></CODE></TD>
</TR>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->
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<B>Field Detail</B></FONT></TH>
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</TABLE>
<A NAME="categoryCharClasses"><!-- --></A><H3>
categoryCharClasses</H3>
<PRE>
public static final <A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.CharClass.html" title="class in net.sf.saxon.functions.regex">JDK15RegexTranslator.CharClass</A>[] <B>categoryCharClasses</B></PRE>
<DL>
<DD>Translates XML Schema and XPath regexes into <code>java.util.regex</code> regexes.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex"><CODE>Pattern</CODE></A>,
<a href="http://www.w3.org/TR/xmlschema-2/#regexs">XML Schema Part 2</a></DL>
</DL>
<HR>
<A NAME="subCategoryCharClasses"><!-- --></A><H3>
subCategoryCharClasses</H3>
<PRE>
public static final <A HREF="../../../../../net/sf/saxon/functions/regex/JDK15RegexTranslator.CharClass.html" title="class in net.sf.saxon.functions.regex">JDK15RegexTranslator.CharClass</A>[] <B>subCategoryCharClasses</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="translate(java.lang.CharSequence, int, int, java.util.List)"><!-- --></A><H3>
translate</H3>
<PRE>
public static <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>translate</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> regExp,
int options,
int flagbits,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A>> warnings)
throws <A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A></PRE>
<DL>
<DD>Translates a regular expression in the syntax of XML Schemas Part 2 into a regular
expression in the syntax of <code>java.util.regex.Pattern</code>. The translation
assumes that the string to be matched against the regex uses surrogate pairs correctly.
If the string comes from XML content, a conforming XML parser will automatically
check this; if the string comes from elsewhere, it may be necessary to check
surrogate usage before matching.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>regExp</CODE> - a String containing a regular expression in the syntax of XML Schemas Part 2<DD><CODE>options</CODE> - bit-wise option settings<DD><CODE>flagbits</CODE> - Java bit-wise options settings based on supplied flags<DD><CODE>warnings</CODE> - a list to contain any warnings generated. If no list is supplied, this indicates
that the caller is not interested in knowing about any warnings.
<DT><B>Returns:</B><DD>a JDK 1.5 regular expression
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A></CODE> - if <code>regexp</code> is not a regular expression in the
syntax of XML Schemas Part 2, or XPath 2.0, as appropriate<DT><B>See Also:</B><DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex"><CODE>Pattern</CODE></A>,
<a href="http://www.w3.org/TR/xmlschema-2/#regexs">XML Schema Part 2</a></DL>
</DD>
</DL>
<HR>
<A NAME="translateAtom()"><!-- --></A><H3>
translateAtom</H3>
<PRE>
protected boolean <B>translateAtom</B>()
throws <A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A></PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateAtom()">RegexTranslator</A></CODE></B></DD>
<DD>If what follows is an Atom, translate it and return true; otherwise return false
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html#translateAtom()">translateAtom</A></CODE> in class <CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexTranslator.html" title="class in net.sf.saxon.functions.regex">RegexTranslator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if we found an atom
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A></CODE> - if the regex syntax is incorrect</DL>
</DD>
</DL>
<HR>
<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] args)
throws <A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A></PRE>
<DL>
<DD>Main method for testing. Outputs to System.err the Java translation of a supplied
regular expression
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - command line arguments
arg[0] a regular expression
arg[1] = xpath to invoke the XPath rules
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../net/sf/saxon/functions/regex/RegexSyntaxException.html" title="class in net.sf.saxon.functions.regex">RegexSyntaxException</A></CODE> - if the regex is invalid</DL>
</DD>
</DL>
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