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// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FXCRT_FX_STRING_H_
#define CORE_FXCRT_FX_STRING_H_
#include <stdint.h>
#include <vector>
#include "core/fxcrt/bytestring.h"
#include "core/fxcrt/widestring.h"
#include "third_party/base/containers/span.h"
constexpr uint32_t FXBSTR_ID(uint8_t c1, uint8_t c2, uint8_t c3, uint8_t c4) {
return static_cast<uint32_t>(c1) << 24 | static_cast<uint32_t>(c2) << 16 |
static_cast<uint32_t>(c3) << 8 | static_cast<uint32_t>(c4);
}
ByteString FX_UTF8Encode(WideStringView wsStr);
WideString FX_UTF8Decode(ByteStringView bsStr);
float StringToFloat(ByteStringView str);
float StringToFloat(WideStringView wsStr);
size_t FloatToString(float f, pdfium::span<char> buf);
double StringToDouble(ByteStringView str);
double StringToDouble(WideStringView wsStr);
size_t DoubleToString(double d, pdfium::span<char> buf);
namespace fxcrt {
template <typename StrType>
std::vector<StrType> Split(const StrType& that, typename StrType::CharType ch) {
std::vector<StrType> result;
StringViewTemplate<typename StrType::CharType> remaining(that.span());
while (true) {
absl::optional<size_t> index = remaining.Find(ch);
if (!index.has_value())
break;
result.emplace_back(remaining.First(index.value()));
remaining = remaining.Last(remaining.GetLength() - index.value() - 1);
}
result.emplace_back(remaining);
return result;
}
extern template std::vector<ByteString> Split<ByteString>(
const ByteString& that,
ByteString::CharType ch);
extern template std::vector<WideString> Split<WideString>(
const WideString& that,
WideString::CharType ch);
} // namespace fxcrt
#endif // CORE_FXCRT_FX_STRING_H_
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