85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
#pragma once
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#include "glacier/memory/move.h"
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#include "glacier/status/error.h"
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#include "glacier/string/string_builder.h"
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#include "glacier/string/string_view.h"
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namespace glcr {
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// FIXME: We need some meta-programming here to allow pass-by-value for pointers
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// and primitives.
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template <typename T>
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void StrFormatValue(StringBuilder& builder, const T& value, StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const uint8_t& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const uint16_t& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const int32_t& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const uint32_t& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const uint64_t& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const ErrorCode& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const char& value, StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, char const* const& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const String& value,
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StringView opts);
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template <>
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void StrFormatValue(StringBuilder& builder, const StringView& value,
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StringView opts);
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void StrFormatInternal(StringBuilder& builder, StringView format);
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template <typename T, typename... Args>
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void StrFormatInternal(StringBuilder& builder, StringView format,
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const T& value, Args&&... args) {
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uint64_t posl = format.find('{');
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uint64_t posr = format.find('}', posl);
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if (posl == format.npos || posr == format.npos) {
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// TODO: Consider throwing an error since we still have values to consume.
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return StrFormatInternal(builder, format);
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}
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builder.PushBack(format.substr(0, posl));
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StrFormatValue(builder, value, format.substr(posl + 1, posr - posl - 1));
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StrFormatInternal(builder, format.substr(posr + 1, format.size() - posr - 1),
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args...);
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}
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template <typename... Args>
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String StrFormat(StringView format, Args&&... args) {
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VariableStringBuilder builder;
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StrFormatInternal(builder, format, args...);
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return builder.ToString();
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}
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template <typename... Args>
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void StrFormatIntoBuffer(StringBuilder& builder, StringView format,
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Args&&... args) {
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StrFormatInternal(builder, format, args...);
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}
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} // namespace glcr
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