/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Cross reference a Python file
*/
package org.opensolaris.opengrok.analysis.python;
import org.opensolaris.opengrok.analysis.JFlexXref;
import java.io.IOException;
import java.io.Writer;
import java.io.Reader;
import org.opensolaris.opengrok.web.Util;
%%
%public
%class PythonXref
%extends JFlexXref
%unicode
%ignorecase
%int
%{
// TODO move this into an include file when bug #16053 is fixed
@Override
protected int getLineNumber() { return yyline; }
@Override
protected void setLineNumber(int x) { yyline = x; }
%}
WhiteSpace = [ \t\f]+
EOL = \r|\n|\r\n
Identifier = [a-zA-Z_] [a-zA-Z0-9_]+
URIChar = [\?\+\%\&\:\/\.\@\_\;\=\$\,\-\!\~\*\\]
FNameChar = [a-zA-Z0-9_\-\.]
File = [a-zA-Z]{FNameChar}* "." ("py"|"pm"|"conf"|"txt"|"htm"|"html"|"xml"|"ini"|"diff"|"patch")
Path = "/"? [a-zA-Z]{FNameChar}* ("/" [a-zA-Z]{FNameChar}*[a-zA-Z0-9])+
Number = (0[xX][0-9a-fA-F]+|[0-9]+\.[0-9]+|[0-9]+)(([eE][+-]?[0-9]+)?[loxbLOXBjJ]*)?
%state STRING LSTRING SCOMMENT QSTRING LQSTRING
%%
<YYINITIAL>{
{Identifier} {
String id = yytext();
writeSymbol(id, Consts.kwd, yyline);
}
"<" ({File}|{Path}) ">" {
out.write("&lt;");
String path = yytext();
path = path.substring(1, path.length() - 1);
out.write("<a href=\""+urlPrefix+"path=");
out.write(path);
appendProject();
out.write("\">");
out.write(path);
out.write("</a>");
out.write("&gt;");
}
{Number} { out.write("<span class=\"n\">"); out.write(yytext()); out.write("</span>"); }
\" { yybegin(STRING);out.write("<span class=\"s\">\"");}
\"\"\" { yybegin(LSTRING);out.write("<span class=\"s\">\"\"\"");}
\' { yybegin(QSTRING);out.write("<span class=\"s\">\'");}
\'\'\' { yybegin(LQSTRING);out.write("<span class=\"s\">\'\'\'");}
"#" { yybegin(SCOMMENT);out.write("<span class=\"c\">#");}
}
<STRING> {
\" { yybegin(YYINITIAL); out.write("\"</span>"); }
\\\\ { out.write("\\\\"); }
\\\" { out.write("\\\""); }
{WhiteSpace}*{EOL} {
yybegin(YYINITIAL); out.write("</span>");
startNewLine();
}
}
<QSTRING> {
"\\\\" { out.write("\\\\"); }
"\\\'" { out.write("\\\'"); }
\' {WhiteSpace} \' { out.write(yytext()); }
\' { yybegin(YYINITIAL); out.write("'</span>"); }
{WhiteSpace}*{EOL} {
yybegin(YYINITIAL); out.write("</span>");
startNewLine();
}
}
<LSTRING> {
\" {WhiteSpace} \" { out.write(yytext());}
\"\"\" { yybegin(YYINITIAL); out.write("\"\"\"</span>"); }
\\\\ { out.write("\\\\"); }
\\\" { out.write("\\\""); }
}
<LQSTRING> {
"\\\\" { out.write("\\\\"); }
"\\\'" { out.write("\\\'"); }
\' {WhiteSpace} \' { out.write(yytext()); }
\'\'\' { yybegin(YYINITIAL); out.write("'''</span>"); }
}
<SCOMMENT> {
{WhiteSpace}*{EOL} {
yybegin(YYINITIAL); out.write("</span>");
startNewLine();
}
}
<YYINITIAL, STRING, SCOMMENT, QSTRING , LSTRING, LQSTRING> {
"&" {out.write( "&amp;");}
"<" {out.write( "&lt;");}
">" {out.write( "&gt;");}
{WhiteSpace}*{EOL} { startNewLine(); }
{WhiteSpace} { out.write(yytext()); }
[!-~] { out.write(yycharat(0)); }
. { writeUnicodeChar(yycharat(0)); }
}
<STRING, SCOMMENT, STRING, QSTRING , LSTRING, LQSTRING> {
{Path}
{ out.write(Util.breadcrumbPath(urlPrefix+"path=",yytext(),'/'));}
{File}
{
String path = yytext();
out.write("<a href=\""+urlPrefix+"path=");
out.write(path);
appendProject();
out.write("\">");
out.write(path);
out.write("</a>");}
("http" | "https" | "ftp" ) "://" ({FNameChar}|{URIChar})+[a-zA-Z0-9/]
{
String url = yytext();
out.write("<a href=\"");
out.write(url);out.write("\">");
out.write(url);out.write("</a>");}
{FNameChar}+ "@" {FNameChar}+ "." {FNameChar}+
{
writeEMailAddress(yytext());
}
}