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Add ability to format any streamable class

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This should probably be done at the source of this external file, but I couldn't find where that is. Perhaps it should be mentioned in the file header comment?
This commit is contained in:
Baruch Burstein 2017-07-02 11:52:29 +03:00
parent 0016362f69
commit 694fe61ae3
1 changed files with 48 additions and 37 deletions
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85
include/external/tbc_text_format.h vendored
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@ -53,13 +53,55 @@ namespace Tbc {
public: public:
Text( std::string const& _str, TextAttributes const& _attr = TextAttributes() ) Text( std::string const& _str, TextAttributes const& _attr = TextAttributes() )
: attr( _attr ) : attr( _attr )
{
init( _str );
}
template<typename T>
Text( T const& _val, TextAttributes const& _attr = TextAttributes() )
: attr( _attr )
{
std::ostringstream oss;
oss << _val;
init( oss.str() );
}
typedef std::vector<std::string>::const_iterator const_iterator;
const_iterator begin() const { return lines.begin(); }
const_iterator end() const { return lines.end(); }
std::string const& last() const { return lines.back(); }
std::size_t size() const { return lines.size(); }
std::string const& operator[]( std::size_t _index ) const { return lines[_index]; }
std::string toString() const {
std::ostringstream oss;
oss << *this;
return oss.str();
}
inline friend std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
for( Text::const_iterator it = _text.begin(), itEnd = _text.end();
it != itEnd; ++it ) {
if( it != _text.begin() )
_stream << "\n";
_stream << *it;
}
return _stream;
}
private:
TextAttributes attr;
std::vector<std::string> lines;
void init( std::string const& _str )
{ {
const std::string wrappableBeforeChars = "[({<\t"; const std::string wrappableBeforeChars = "[({<\t";
const std::string wrappableAfterChars = "])}>-,./|\\"; const std::string wrappableAfterChars = "])}>-,./|\\";
const std::string wrappableInsteadOfChars = " \n\r"; const std::string wrappableInsteadOfChars = " \n\r";
std::string indent = _attr.initialIndent != std::string::npos std::string indent = attr.initialIndent != std::string::npos
? std::string( _attr.initialIndent, ' ' ) ? std::string( attr.initialIndent, ' ' )
: std::string( _attr.indent, ' ' ); : std::string( attr.indent, ' ' );
typedef std::string::const_iterator iterator; typedef std::string::const_iterator iterator;
iterator it = _str.begin(); iterator it = _str.begin();
@ -74,7 +116,7 @@ namespace Tbc {
std::string suffix; std::string suffix;
std::size_t width = (std::min)( static_cast<size_t>( strEnd-it ), _attr.width-static_cast<size_t>( indent.size() ) ); std::size_t width = (std::min)( static_cast<size_t>( strEnd-it ), attr.width-static_cast<size_t>( indent.size() ) );
iterator itEnd = it+width; iterator itEnd = it+width;
iterator itNext = _str.end(); iterator itNext = _str.end();
@ -121,42 +163,11 @@ namespace Tbc {
} }
lines.push_back( indent + std::string( it, itEnd ) + suffix ); lines.push_back( indent + std::string( it, itEnd ) + suffix );
if( indent.size() != _attr.indent ) if( indent.size() != attr.indent )
indent = std::string( _attr.indent, ' ' ); indent = std::string( attr.indent, ' ' );
it = itNext; it = itNext;
} }
} }
typedef std::vector<std::string>::const_iterator const_iterator;
const_iterator begin() const { return lines.begin(); }
const_iterator end() const { return lines.end(); }
std::string const& last() const { return lines.back(); }
std::size_t size() const { return lines.size(); }
std::string const& operator[]( std::size_t _index ) const { return lines[_index]; }
std::string toString() const {
std::ostringstream oss;
oss << *this;
return oss.str();
}
inline friend std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
for( Text::const_iterator it = _text.begin(), itEnd = _text.end();
it != itEnd; ++it ) {
if( it != _text.begin() )
_stream << "\n";
_stream << *it;
}
return _stream;
}
private:
std::string str;
TextAttributes attr;
std::vector<std::string> lines;
}; };
} // end namespace Tbc } // end namespace Tbc