/// <summary>
/// Exclude all components in the range beginning at "from" and ending at "to".
/// </summary>
///
/// <param name="exclude">The Exclude object to update.</param>
/// <param name="from">The first component in the exclude range.</param>
/// <param name="to">The last component in the exclude range.</param>
private static void excludeRange(Exclude exclude, Name.Component from,
Name.Component to)
{
if (from.compare(to) >= 0) {
if (from.compare(to) == 0)
throw new Exception(
"excludeRange: from == to. To exclude a single component, sue excludeOne.");
else
throw new Exception(
"excludeRange: from must be less than to. Invalid range: ["
+ from.toEscapedString() + ", "
+ to.toEscapedString() + "]");
}
ArrayList entries = getExcludeEntries(exclude);
int iNewFrom;
int iFoundFrom = findEntryBeforeOrAt(entries, from);
if (iFoundFrom < 0) {
// There is no entry before "from" so insert at the beginning.
entries.Insert(0, new Producer.ExcludeEntry (from, true));
iNewFrom = 0;
} else {
Producer.ExcludeEntry foundFrom = (Producer.ExcludeEntry ) entries[iFoundFrom];
if (!foundFrom.anyFollowsComponent_) {
if (foundFrom.component_.equals(from)) {
// There is already an entry with "from", so just set the "ANY" flag.
foundFrom.anyFollowsComponent_ = true;
iNewFrom = iFoundFrom;
} else {
// Insert following the entry before "from".
entries.Insert(iFoundFrom + 1, new Producer.ExcludeEntry (from, true));
iNewFrom = iFoundFrom + 1;
}
} else
// The entry before "from" already has an "ANY" flag, so do nothing.
iNewFrom = iFoundFrom;
}
// We have at least one "from" before "to", so we know this will find an entry.
int iFoundTo = findEntryBeforeOrAt(entries, to);
Producer.ExcludeEntry foundTo = (Producer.ExcludeEntry ) entries[iFoundTo];
if (iFoundTo == iNewFrom)
// Insert the "to" immediately after the "from".
entries.Insert(iNewFrom + 1, new Producer.ExcludeEntry (to, false));
else {
int iRemoveEnd;
if (!foundTo.anyFollowsComponent_) {
if (foundTo.component_.equals(to))
// The "to" entry already exists. Remove up to it.
iRemoveEnd = iFoundTo;
else {
// Insert following the previous entry, which will be removed.
entries.Insert(iFoundTo + 1, new Producer.ExcludeEntry (to, false));
iRemoveEnd = iFoundTo + 1;
}
} else
// "to" follows a component which is already followed by "ANY", meaning
// the new range now encompasses it, so remove the component.
iRemoveEnd = iFoundTo + 1;
// Remove intermediate entries since they are inside the range.
int iRemoveBegin = iNewFrom + 1;
int nRemoveNeeded = iRemoveEnd - iRemoveBegin;
for (int i = 0; i < nRemoveNeeded; ++i)
ILOG.J2CsMapping.Collections.Collections.RemoveAt(entries,iRemoveBegin);
}
setExcludeEntries(exclude, entries);
}
public void testExcludeMatches()
{
Exclude exclude = new Exclude();
exclude.appendComponent(new Name("%00%02").get(0));
exclude.appendAny();
exclude.appendComponent(new Name("%00%20").get(0));
Name.Component component;
component = new Name("%00%01").get(0);
Assert.AssertFalse(component.toEscapedString() + " should not match "
+ exclude.toUri(), exclude.matches(component));
component = new Name("%00%0F").get(0);
Assert.AssertTrue(
component.toEscapedString() + " should match "
+ exclude.toUri(), exclude.matches(component));
component = new Name("%00%21").get(0);
Assert.AssertFalse(component.toEscapedString() + " should not match "
+ exclude.toUri(), exclude.matches(component));
}