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[Glacier] Add a specific VariableStringBuilder for StrFormat.

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Drew Galbraith 2023-11-09 08:52:30 -08:00
parent a745f45b5d
commit 601f29c324
6 changed files with 58 additions and 24 deletions
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34
lib/glacier/string/string_builder.h
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@ -6,21 +6,39 @@
namespace glcr {
class StringBuilder : public Vector<char> {
class StringBuilder {
public:
StringBuilder() : Vector<char>() {}
StringBuilder(const StringBuilder&) = delete;
StringBuilder(StringBuilder&& str) : Vector<char>(Move(str)) {}
virtual uint64_t size() const = 0;
virtual void PushBack(const StringView& str) = 0;
virtual void PushBack(const char str) = 0;
void PushBack(const StringView& str);
using Vector<char>::PushBack;
virtual String ToString() const = 0;
String ToString() const;
virtual operator StringView() const = 0;
};
class VariableStringBuilder : public StringBuilder {
public:
VariableStringBuilder() = default;
VariableStringBuilder(const VariableStringBuilder&) = delete;
VariableStringBuilder(VariableStringBuilder&&) = default;
~VariableStringBuilder() = default;
virtual uint64_t size() const override;
virtual void PushBack(const StringView& str) override;
virtual void PushBack(const char str) override;
virtual String ToString() const override;
// Note that this could become invalidated
// at any time if more characters are pushed
// onto the builder.
operator StringView() const;
virtual operator StringView() const override;
private:
Vector<char> data_;
};
} // namespace glcr