/usr/include/ctemplate/str_ref.h is in libctemplate-dev 2.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ---
// Author: Olaf van der Spek <olafvdspek@gmail.com>
#ifndef TEMPLATE_STR_REF_H_
#define TEMPLATE_STR_REF_H_
#include <cstddef>
namespace ctemplate {
template <class T>
class str_ref_basic
{
public:
str_ref_basic()
{
clear();
}
template <class U>
str_ref_basic(const U& c)
{
if (c.end() != c.begin())
assign(&*c.begin(), c.end() - c.begin() + &*c.begin());
else
clear();
}
str_ref_basic(const void* b, const void* e)
{
assign(b, e);
}
str_ref_basic(const void* b, size_t sz)
{
assign(b, sz);
}
str_ref_basic(const char* b)
{
if (b)
assign(b, strlen(b));
else
clear();
}
void clear()
{
begin_ = end_ = NULL;
}
void assign(const void* b, const void* e)
{
begin_ = reinterpret_cast<T>(b);
end_ = reinterpret_cast<T>(e);
}
void assign(const void* b, size_t sz)
{
begin_ = reinterpret_cast<T>(b);
end_ = begin_ + sz;
}
T begin() const
{
return begin_;
}
T end() const
{
return end_;
}
T data() const
{
return begin();
}
size_t size() const
{
return end() - begin();
}
bool empty() const
{
return begin() == end();
}
private:
T begin_;
T end_;
};
typedef str_ref_basic<const unsigned char*> data_ref;
typedef str_ref_basic<const char*> str_ref;
}
#endif // TEMPLATE_STR_REF_H_
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