includes/opentelemetry/trace/propagation/detail/string.h

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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include "opentelemetry/nostd/string_view.h"
#include "opentelemetry/version.h"
 
OPENTELEMETRY_BEGIN_NAMESPACE
namespace trace
{
namespace propagation
{
// NOTE - code within `detail` namespace implements internal details, and not part
// of the public interface.
namespace detail
{
 
inline size_t SplitString(nostd::string_view s,
                          char separator,
                          nostd::string_view *results,
                          size_t count)
{
  if (count == 0)
  {
    return count;
  }
 
  size_t filled      = 0;
  size_t token_start = 0;
  for (size_t i = 0; i < s.size(); i++)
  {
    if (s[i] != separator)
    {
      continue;
    }
 
    results[filled++] = s.substr(token_start, i - token_start);
 
    if (filled == count)
    {
      return count;
    }
 
    token_start = i + 1;
  }
 
  if (filled < count)
  {
    results[filled++] = s.substr(token_start);
  }
 
  return filled;
}
 
}  // namespace detail
}  // namespace propagation
}  // namespace trace
OPENTELEMETRY_END_NAMESPACE