com.threerings.presents.tools
Class GeneratedSourceMerger

java.lang.Object
  com.threerings.presents.tools.GeneratedSourceMerger

public class GeneratedSourceMerger
extends Object

Merges updates to a generated source file into a previously generated version of that source while leaving changes outside marked sections alone.

Nested Class Summary

protected static class

GeneratedSourceMerger.Section

Field Summary

protected Pattern

_sectionDelimiter

Constructor Summary

GeneratedSourceMerger()

Method Summary

protected GeneratedSourceMerger.Section	extractGeneratedSection(Matcher m, String input) Returns a section name and its contents from the given matcher pointing to the start of a section.
String	merge(String newlyGenerated, String previouslyGenerated) Returns previouslyGenerated with marked sections updated from the same marked sections in newlyGenerated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_sectionDelimiter

protected final Pattern _sectionDelimiter

Constructor Detail

GeneratedSourceMerger

public GeneratedSourceMerger()

Method Detail

merge

public String merge(String newlyGenerated,
                    String previouslyGenerated)
             throws Exception

Returns previouslyGenerated with marked sections updated from the same marked sections in newlyGenerated. Everything outside these sections in previouslyGenerated is returned as is. A marked section starts with // GENERATED {name} START and ends with // GENERATED {name} END

If previouslyGenerated has a generated section replaced with // GENERATED {name} DISABLED, that section will no longer be updated.

Throws:

Exception

extractGeneratedSection

protected GeneratedSourceMerger.Section extractGeneratedSection(Matcher m,
                                                                String input)

Returns a section name and its contents from the given matcher pointing to the start of a section. m is at the end of the section when this returns.