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Create a way to pre-register Core::Ids

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This enables using integral values in addition to strings as key.

Change-Id: I0d03441eab4172b31f813d478bdd2946d7056117
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
This commit is contained in:
hjk
2012-09-25 16:20:38 +02:00
parent 6b67f24865
commit cfde02f60a
2 changed files with 19 additions and 11 deletions
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25
src/plugins/coreplugin/id.cpp
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@@ -52,6 +52,8 @@ namespace Core {
class StringHolder
{
public:
StringHolder() {}
StringHolder(const char *s, int length)
: n(length), str(s)
{
@@ -93,8 +95,8 @@ struct IdCache : public QHash<StringHolder, int>
};
static int lastUid = 0;
static QVector<QByteArray> stringFromId;
static int lastUid = 1000 * 1000;
static QHash<int, StringHolder> stringFromId;
static IdCache idFromString;
static int theId(const char *str, int n = 0)
@@ -103,12 +105,10 @@ static int theId(const char *str, int n = 0)
StringHolder sh(str, n);
int res = idFromString.value(sh, 0);
if (res == 0) {
if (lastUid == 0)
stringFromId.append(QByteArray());
res = ++lastUid;
sh.str = qstrdup(sh.str);
idFromString[sh] = res;
stringFromId.append(QByteArray::fromRawData(sh.str, sh.n));
stringFromId[res] = sh;
}
return res;
}
@@ -132,23 +132,30 @@ Id::Id(const QString &name)
QByteArray Id::name() const
{
return stringFromId.at(m_id);
return stringFromId.value(m_id).str;
}
QString Id::toString() const
{
return QString::fromUtf8(stringFromId.at(m_id));
return QString::fromUtf8(stringFromId.value(m_id).str);
}
void Id::registerId(int uid, const char *name)
{
StringHolder sh(name, 0);
idFromString[sh] = uid;
stringFromId[uid] = sh;
}
bool Id::operator==(const char *name) const
{
return strcmp(stringFromId.at(m_id).constData(), name) == 0;
return strcmp(stringFromId.value(m_id).str, name) == 0;
}
// For debugging purposes
CORE_EXPORT const char *nameForId(int id)
{
return (stringFromId.constData() + id)->constData();
return stringFromId.value(id).str;
}
} // namespace Core