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marty_ns.h
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/*! \file
\brief Helpers for namespace
*/
#pragma once
#include "marty_cpp.h"
#include "marty_ss.h"
#include <algorithm>
#include <cctype>
#include <cstring>
#include <cwctype>
#include <iterator>
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace marty_cpp
{
//-----------------------------------------------------------------------------
template<typename StringType, typename StreamType>
class NamespaceOutputWriteGuard
{
StreamType &m_oss ;
std::vector<StringType> m_nsNames ;
NameStyle m_nsNameStyle ;
StringType m_nsBeginTemplate;
StringType m_nsEndTemplate ;
StringType m_nsNameFormat ;
StringType m_indentSize ;
template<typename IterType>
void writeNsNames(IterType b, IterType e, const StringType &tpl) const
{
auto isSpaceChar = [](typename StringType::value_type ch)
{
typedef typename StringType::value_type CharType;
return ch==(CharType)' ' || ch==(CharType)'\t' || ch==(CharType)'\r' || ch==(CharType)'\n';
};
for(; b!=e; ++b)
{
auto n = simple_trim(*b, isSpaceChar);
if (n.empty())
continue;
if (m_nsNameStyle!=NameStyle::defaultStyle)
n = formatName(n, m_nsNameStyle, true, true /* fix startDigit, keywords */);
n = simple_string_replace<StringType>(m_nsNameFormat, make_string<StringType>("$(NS)"), n);
n = simple_string_replace<StringType>(tpl, make_string<StringType>("$(NS)"), n);
m_oss<<n;
}
}
static
std::vector<StringType> parseNsNameList( StringType nsList )
{
auto isSpaceChar = [](typename StringType::value_type ch)
{
typedef typename StringType::value_type CharType;
return ch==(CharType)' ' || ch==(CharType)'\t' || ch==(CharType)'\r' || ch==(CharType)'\n';
};
// normalize NS separators
nsList = simple_string_replace<StringType>(nsList, make_string<StringType>("::"), make_string<StringType>("/"));
nsList = simple_string_replace<StringType>(nsList, make_string<StringType>(":" ), make_string<StringType>("/"));
//nsList = simple_string_replace<StringType>(nsList, make_string<StringType>(":" ), make_string<StringType>("/"));
nsList = simple_string_replace<StringType>(nsList, make_string<StringType>("\\"), make_string<StringType>("/"));
return simple_seq_filter(simple_string_split(nsList, make_string<StringType>("/")), [&](auto s) { return !simple_trim(s, isSpaceChar).empty(); } );
}
public:
typedef StringType string_type;
/* typename */
typename string_type::size_type indentSize(typename StringType::size_type nLevelSize = 4) const
{
return nLevelSize*m_nsNames.size();
}
StringType indentStr(typename StringType::size_type nLevelSize = 4) const
{
return StringType(indentSize(), (typename StringType::value_type)' ');
}
NamespaceOutputWriteGuard( NamespaceOutputWriteGuard && ) = default;
NamespaceOutputWriteGuard( const NamespaceOutputWriteGuard & ) = default;
NamespaceOutputWriteGuard( StreamType &oss
, const StringType &nsList
, NameStyle nsNameStyle = NameStyle::defaultStyle
, const StringType &nsBeginTemplate = make_string<StringType>("namespace $(NS){\n")
, const StringType &nsEndTemplate = make_string<StringType>("} // $(NS)\n")
, const StringType &nsNameFormat = StringType()
)
: m_oss (oss)
, m_nsNames (parseNsNameList(nsList))
, m_nsNameStyle(nsNameStyle)
, m_nsBeginTemplate(nsBeginTemplate)
, m_nsEndTemplate (nsEndTemplate)
, m_nsNameFormat (nsNameFormat)
{
if (m_nsNameFormat.empty())
m_nsNameFormat = make_string<StringType>("$(NS)");
writeNsNames(m_nsNames.cbegin(),m_nsNames.cend(), m_nsBeginTemplate);
}
NamespaceOutputWriteGuard( StreamType &oss
, const StringType &nsList
, const StringType &nsNameStyle
, const StringType &nsBeginTemplate = make_string<StringType>("namespace $(NS){\n")
, const StringType &nsEndTemplate = make_string<StringType>("} // $(NS)\n")
, const StringType &nsNameFormat = StringType()
)
: m_oss (oss)
, m_nsNames (parseNsNameList(nsList))
, m_nsNameStyle(fromString<StringType>(nsNameStyle))
, m_nsBeginTemplate(nsBeginTemplate)
, m_nsEndTemplate (nsEndTemplate)
, m_nsNameFormat (nsNameFormat)
{
if (m_nsNameFormat.empty())
m_nsNameFormat = make_string<StringType>("$(NS)");
writeNsNames(m_nsNames.cbegin(),m_nsNames.cend(), m_nsBeginTemplate);
}
~NamespaceOutputWriteGuard()
{
writeNsNames(m_nsNames.crbegin(),m_nsNames.crend(), m_nsEndTemplate);
}
};
//------------------------------
template<typename StringType, typename StreamType> inline
NamespaceOutputWriteGuard<StringType, StreamType>
makeNamespaceOutputWriteGuard( StreamType &oss
, const StringType &nsList
, NameStyle nsNameStyle = NameStyle::defaultStyle
, const StringType &nsBeginTemplate = make_string<StringType>("namespace $(NS){\n")
, const StringType &nsEndTemplate = make_string<StringType>("} // $(NS)\n")
, const StringType &nsNameFormat = StringType()
)
{
return NamespaceOutputWriteGuard<StringType, StreamType>(oss, nsList, nsNameStyle, nsBeginTemplate, nsEndTemplate, nsNameFormat);
}
//------------------------------
template<typename StringType, typename StreamType> inline
NamespaceOutputWriteGuard<StringType, StreamType>
makeNamespaceOutputWriteGuard( StreamType &oss
, const StringType &nsList
, const StringType &nsNameStyle
, const StringType &nsBeginTemplate = make_string<StringType>("namespace $(NS){\n")
, const StringType &nsEndTemplate = make_string<StringType>("} // $(NS)\n")
, const StringType &nsNameFormat = StringType()
)
{
return NamespaceOutputWriteGuard<StringType, StreamType>(oss, nsList, nsNameStyle, nsBeginTemplate, nsEndTemplate, nsNameFormat);
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
} // namespace marty_cpp