Vojtech Szocs has posted comments on this change.
Change subject: webadmin: Replace inner variable references in failure messages
......................................................................
Patch Set 2: Code-Review+2
Here are some facts for GWT RegExp class:
* com.google.gwt.regexp.shared.RegExp = default *server-side* implementation
using java.util.regex.Pattern (which is not emulated by GWT SDK)
* RegExp *client-side* implementation (used by GWT compiler) =
gwt-user-{version}.jar/com/google/gwt/regexp/super/com/google/gwt/regexp/shared/RegExp.java
* the client-side implementation just delegates to JavaScript RegExp object [1]
[1]
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/RegExp
So the variable replacement logic fixed by this patch essentially depends on
JavaScript RegExp.exec function behavior [2].
[2]
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec
As mentioned in [3], by using "global" flag, invocation of "exec" method
updates the "lastIndex" (this behavior is consistent with server-side RegExp
implementation), which is why we need to reset "lastIndex" value to 0 to ensure
proper variable processing.
[3]
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec#Example.3A_Finding_successive_matches
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Gerrit-Change-Id: If70582ae35b8f94b4101dfc33865cc7976fd625c
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Gerrit-Reviewer: Martin Sivák <msi...@redhat.com>
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