jvanzyl 00/10/16 22:55:11
Added: src/java/org/apache/velocity/convert WebMacro.java
Log:
- utility to convert wm template to velocity.
Revision Changes Path
1.1
jakarta-velocity/src/java/org/apache/velocity/convert/WebMacro.java
Index: WebMacro.java
===================================================================
package org.apache.velocity.convert;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.oro.text.perl.Perl5Util;
import org.apache.velocity.util.StringUtils;
/**
* This class will convert a WebMacro template to
* a Velocity template.
*/
public class WebMacro
{
public static void main(String args[])
{
String orignalTemplate;
Perl5Util perl;
/*
* The regexes to use for substition. The regexes come
* in pairs. The first is the string to match, the
* second is the substitution to make.
*/
String[] res =
{
// Remove all #begin statements
"#begin\\n",
"",
// Convert WM style #foreach to Velocity #foreach
"#foreach\\s+(\\$\\w+)\\s+in\\s+(\\$\\w+)",
"#foreach ($1 in $2)",
// Remove the "{" for the start of block directives,
// Velocity doesn't use them.
"(#\\w+\\s+.*)\\n\\s*\\{",
"$1",
// Change the "}" to #end. Have to get more
// sophisticated here. Will assume either {}
// and no javascript, or #begin/#end with the
// possibility of javascript.
"}",
"#end"
};
if (args.length < 1)
{
System.err.println("Usage: convert-wm <template>.wm | directory");
System.exit(1);
}
orignalTemplate = StringUtils.fileContentsToString(args[0]);
perl = new Perl5Util();
for (int i = 0; i < res.length; i += 2)
while (perl.match("/" + res[i] + "/", orignalTemplate))
orignalTemplate = perl.substitute(
"s/" + res[i] + "/" + res[i+1] + "/", orignalTemplate);
System.out.println(orignalTemplate);
}
}
