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Util/IterableSplitString: add template class BasicIterableSplitString

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This commit is contained in:
Max Kellermann 2017-09-12 19:11:22 +02:00
parent 9e7df54ccd
commit f98bf39005
1 changed files with 15 additions and 8 deletions
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23
src/util/IterableSplitString.hxx
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@ -42,23 +42,28 @@
*
* An empty input string returns one empty string.
*/
class IterableSplitString {
StringView s;
template<typename T>
class BasicIterableSplitString {
typedef BasicStringView<T> StringView;
char separator;
typedef typename StringView::value_type value_type;
StringView s;
value_type separator;
public:
constexpr IterableSplitString(StringView _s, char _separator)
constexpr BasicIterableSplitString(StringView _s,
value_type _separator)
:s(_s), separator(_separator) {}
class Iterator final {
friend class IterableSplitString;
friend class BasicIterableSplitString;
StringView current, rest;
char separator;
value_type separator;
Iterator(StringView _s, char _separator)
Iterator(StringView _s, value_type _separator)
:rest(_s), separator(_separator) {
Next();
}
@ -70,7 +75,7 @@ public:
if (rest.IsNull())
current = nullptr;
else {
const char *i = rest.Find(separator);
const auto *i = rest.Find(separator);
if (i == nullptr) {
current = rest;
rest.data = nullptr;
@ -120,4 +125,6 @@ public:
}
};
using IterableSplitString = BasicIterableSplitString<char>;
#endif