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NCBI C++ ToolKit: include/util/text_joiner.hpp Source File

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1 #ifndef UTIL___TEXT_JOINER__HPP 2 #define UTIL___TEXT_JOINER__HPP 59 template

<

size_t

num_prealloc,

typename

TIn =

string

,

60  typename

TOut = basic_string<typename TIn::value_type> >

76 template

<

size_t

num_prealloc,

typename

TIn,

typename

TOut>

85  if

(m_MainStorageUsage < num_prealloc) {

86

m_MainStorage[m_MainStorageUsage++] = s;

87

}

else if

(m_ExtraStorage.get() !=

NULL

) {

89  Warning

<<

"exceeding anticipated count " 91

m_ExtraStorage->push_back(s);

93

m_ExtraStorage.reset(

new

vector<TIn>(1, s));

100 template

<

size_t

num_prealloc,

typename

TIn,

typename

TOut>

105  for

(

size_t i

= 0;

i

< m_MainStorageUsage; ++

i

) {

106

size_needed += m_MainStorage[

i

].size();

108  if

(m_ExtraStorage.get() !=

NULL

) {

109  ITERATE

(

typename

vector<TIn>, it, *m_ExtraStorage) {

110

size_needed += it->size();

115  result

->reserve(size_needed);

116  for

(

size_t i

= 0;

i

< m_MainStorageUsage; ++

i

) {

119  if

(m_ExtraStorage.get() !=

NULL

) {

120  ITERATE

(

typename

vector<TIn>, it, *m_ExtraStorage) {

121  result

->append(it->data(), it->size());

CTextJoiner<> – template for efficiently collecting and joining strings.

Include a standard set of the NCBI C++ Toolkit most basic headers.

#define ITERATE(Type, Var, Cont)

ITERATE macro to sequence through container elements.

#define ERR_POST_XX_ONCE(error_name, err_subcode, message)

Error posting only once during program execution with given error code name and given error subcode.

void Warning(CExceptionArgs_Base &args)

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

NCBI_NS_STD::string::size_type SIZE_TYPE

CTextJoiner & Add(const TIn &s)

size_t m_MainStorageUsage

void Join(TOut *result) const

TIn m_MainStorage[num_prealloc]

unique_ptr< vector< TIn > > m_ExtraStorage

Definition of all error codes used in util (xutil.lib).

const struct ncbi::grid::netcache::search::fields::SIZE size

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