added trim(...) functions to convert/text.h

void trim_first_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_first_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);

void trim_last_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_last_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);

void trim_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);

void trim_first(std::string & str, wchar_t c);
void trim_first(std::wstring & str, wchar_t c);

void trim_last(std::string & str, wchar_t c);
void trim_last(std::wstring & str, wchar_t c);

void trim(std::string & str, wchar_t c);
void trim(std::wstring & str, wchar_t c);
htmlparserlistener
Tomasz Sowa 2 years ago
parent e31ef3c6c4
commit 8997284b16

@ -463,8 +463,76 @@ bool is_substr_nc(const std::wstring & short_str, const std::wstring & long_str)
}
void trim_first_white(std::string & str, bool check_additional_chars, bool treat_new_line_as_white)
{
pt_private::trim_first_white_generic(str, check_additional_chars, treat_new_line_as_white);
}
void trim_first_white(std::wstring & str, bool check_additional_chars, bool treat_new_line_as_white)
{
pt_private::trim_first_white_generic(str, check_additional_chars, treat_new_line_as_white);
}
void trim_last_white(std::string & str, bool check_additional_chars, bool treat_new_line_as_white)
{
pt_private::trim_last_white_generic(str, check_additional_chars, treat_new_line_as_white);
}
void trim_last_white(std::wstring & str, bool check_additional_chars, bool treat_new_line_as_white)
{
pt_private::trim_last_white_generic(str, check_additional_chars, treat_new_line_as_white);
}
void trim_white(std::string & str, bool check_additional_chars, bool treat_new_line_as_white)
{
pt_private::trim_white_generic(str, check_additional_chars, treat_new_line_as_white);
}
void trim_white(std::wstring & str, bool check_additional_chars, bool treat_new_line_as_white)
{
pt_private::trim_white_generic(str, check_additional_chars, treat_new_line_as_white);
}
void trim_first(std::string & str, wchar_t c)
{
pt_private::trim_first_generic(str, c);
}
void trim_first(std::wstring & str, wchar_t c)
{
pt_private::trim_first_generic(str, c);
}
void trim_last(std::string & str, wchar_t c)
{
pt_private::trim_last_generic(str, c);
}
void trim_last(std::wstring & str, wchar_t c)
{
pt_private::trim_last_generic(str, c);
}
void trim(std::string & str, wchar_t c)
{
pt_private::trim_generic(str, c);
}
void trim(std::wstring & str, wchar_t c)
{
pt_private::trim_generic(str, c);
}

@ -143,6 +143,26 @@ bool is_substr_nc(const std::string & short_str, const std::string & long_str);
bool is_substr_nc(const std::wstring & short_str, const std::wstring & long_str);
void trim_first_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_first_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_last_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_last_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_first(std::string & str, wchar_t c);
void trim_first(std::wstring & str, wchar_t c);
void trim_last(std::string & str, wchar_t c);
void trim_last(std::wstring & str, wchar_t c);
void trim(std::string & str, wchar_t c);
void trim(std::wstring & str, wchar_t c);
}

@ -299,6 +299,112 @@ bool is_substr_nc_generic(const StringType1 * short_str, const StringType2 * lon
template<typename StringType>
void trim_first_white_generic(StringType & s, bool check_additional_chars, bool treat_new_line_as_white)
{
size_t i;
if( s.empty() )
return;
// looking for white characters at the beginning
for(i=0 ; i<s.size() && is_white(s[i], check_additional_chars, treat_new_line_as_white) ; ++i);
// deleting white characters at the beginning
if( i != 0 )
s.erase(0, i);
}
template<typename StringType>
void trim_last_white_generic(StringType & s, bool check_additional_chars, bool treat_new_line_as_white)
{
size_t i;
if( s.empty() )
return;
// looking for white characters at the end
for(i=s.size()-1 ; i>0 && is_white(s[i], check_additional_chars, treat_new_line_as_white) ; --i);
if( i==0 && is_white(s[i], check_additional_chars, treat_new_line_as_white) )
{
// the whole string has white characters
s.clear();
return;
}
// deleting white characters at the end
if( i != s.size() - 1 )
s.erase(i+1, StringType::npos);
}
template<typename StringType>
void trim_white_generic(StringType & s, bool check_additional_chars, bool treat_new_line_as_white)
{
if( s.empty() )
return;
trim_last_white_generic(s, check_additional_chars, treat_new_line_as_white);
trim_first_white_generic(s, check_additional_chars, treat_new_line_as_white);
}
template<typename StringType>
void trim_first_generic(StringType & s, wchar_t c)
{
size_t i;
if( s.empty() )
return;
// looking for the 'c' characters at the beginning
for(i=0 ; i<s.size() && s[i]==c ; ++i);
// deleting the 'c' characters at the beginning
if( i != 0 )
s.erase(0, i);
}
template<typename StringType>
void trim_last_generic(StringType & s, wchar_t c)
{
size_t i;
if( s.empty() )
return;
// looking for the 'c' characters at the end
for(i=s.size()-1 ; i>0 && s[i]==c ; --i);
if( i==0 && s[i]==c )
{
// the whole string has the 'c' characters
s.clear();
return;
}
// deleting 'c' characters at the end
if( i != s.size() - 1 )
s.erase(i+1, StringType::npos);
}
template<typename StringType>
void trim_generic(StringType & s, wchar_t c)
{
if( s.empty() )
return;
trim_last_generic(s, c);
trim_first_generic(s, c);
}
} // namespace pt_private

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