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Resolves: fdo#33638 add extra level of language tag matching

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This commit is contained in:
Caolán McNamara
2011-05-23 12:29:31 +01:00
parent a0ba96170b
commit 742c2fe0a2
1 changed files with 56 additions and 26 deletions
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82
configmgr/source/childaccess.cxx
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@@ -271,6 +271,17 @@ void ChildAccess::setProperty(
localModifications->add(getRelativePath());
}
namespace
{
rtl::OUString lcl_StripSegment(const rtl::OUString &rLocale)
{
sal_Int32 i = rLocale.getLength() ? rLocale.getLength() - 1 : 0;
while (i > 0 && rLocale[i] != '-' && rLocale[i] != '_')
--i;
return rLocale.copy(0, i);
}
}
css::uno::Any ChildAccess::asValue() {
if (changedValue_.get() != 0) {
return *changedValue_;
@@ -281,43 +292,62 @@ css::uno::Any ChildAccess::asValue() {
getComponents());
case Node::KIND_LOCALIZED_PROPERTY:
{
rtl::OUString locale(getRootAccess()->getLocale());
if (!Components::allLocales(locale)) {
rtl::OUString sLocale(getRootAccess()->getLocale());
if (!Components::allLocales(sLocale))
{
rtl::Reference< ChildAccess > child;
// Find best match using an adaption of RFC 4647 lookup matching
// rules, removing "-" or "_" delimited segments from the end;
// rules, removing "-" or "_" delimited segments from the end
while (1)
{
child = getChild(sLocale);
if (child.is())
break;
rtl::OUString sTmpLocale = lcl_StripSegment(sLocale);
if (!sTmpLocale.getLength())
break;
sLocale = sTmpLocale;
}
//Resolves: fdo#33638 Look for the first entry with the same
//first segment as the requested language tag, before falling
//back to en-US, etc.
typedef std::vector< rtl::Reference< ChildAccess > > ChildVector;
if (!child.is())
{
const ChildVector &rAllChildren = getAllChildren();
for (ChildVector::const_iterator aI = rAllChildren.begin(),
aEnd = rAllChildren.end(); aI != aEnd; ++aI)
{
rtl::OUString sLanguage = lcl_StripSegment((*aI)->getNameInternal());
if (sLocale == sLanguage)
{
child = *aI;
break;
}
}
}
// defaults are the "en-US" locale, the "en" locale, the empty
// string locale, the first child (if any), or a nil value (even
// though it may be illegal for the given property), in that
// order:
rtl::Reference< ChildAccess > child;
for (;;) {
child = getChild(locale);
if (child.is() || locale.getLength() == 0) {
break;
}
sal_Int32 i = locale.getLength() - 1;
while (i > 0 && locale[i] != '-' && locale[i] != '_') {
--i;
}
if (i == 0) {
break;
}
locale = locale.copy(0, i);
}
if (!child.is()) {
if (!child.is())
{
child = getChild(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("en-US")));
if (!child.is()) {
if (!child.is())
{
child = getChild(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("en")));
if (!child.is()) {
if (!child.is())
{
child = getChild(rtl::OUString());
if (!child.is()) {
std::vector< rtl::Reference< ChildAccess > >
all(getAllChildren());
if (!all.empty()) {
if (!child.is())
{
ChildVector all(getAllChildren());
if (!all.empty())
child = all.front();
}
}
}
}