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LibRegex: Add to_string method for RegexStringView

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This commit is contained in:
Fausto Tommasi 2023-01-27 06:43:50 -06:00 • committed by Sam Atkins
parent 90b019b4c4
commit a24c49c18c
1 changed files with 19 additions and 0 deletions
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19
Userland/Libraries/LibRegex/RegexMatch.h
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@ -8,6 +8,7 @@
#include "Forward.h" #include "Forward.h"
#include "RegexOptions.h" #include "RegexOptions.h"
#include <AK/Error.h>
#include <AK/DeprecatedFlyString.h> #include <AK/DeprecatedFlyString.h>
#include <AK/DeprecatedString.h> #include <AK/DeprecatedString.h>
@ -162,6 +163,11 @@ public:
{ {
} }
RegexStringView(String const& string)
: m_view(string.bytes_as_string_view())
{
}
RegexStringView(StringView const view) RegexStringView(StringView const view)
: m_view(view) : m_view(view)
{ {
@ -394,6 +400,19 @@ public:
}); });
} }
ErrorOr<String> to_string() const
{
return m_view.visit(
[](StringView view) { return String::from_utf8(view); },
[](Utf16View view) { return view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes); },
[](auto& view) -> ErrorOr<String> {
StringBuilder builder;
for (auto it = view.begin(); it != view.end(); ++it)
TRY(builder.try_append_code_point(*it));
return builder.to_string();
});
}
// Note: index must always be the code unit offset to return. // Note: index must always be the code unit offset to return.
u32 operator[](size_t index) const u32 operator[](size_t index) const
{ {