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https://github.com/vtil-project/VTIL-Core
synced 2026-08-17 08:23:03 -04:00
Fix alignment.
This commit is contained in:
Can Bölük
parent
b0e5a252f0
commit
d5fd957f87
1 changed files with 112 additions and 112 deletions
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@ -39,52 +39,52 @@
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namespace vtil::format
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{
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// Table renderer configuration.
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//
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struct table_rendering_configuration
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{
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char vertical_delimiter = '|';
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char horizontal_delimiter = '-';
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size_t left_pad = 0;
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size_t right_pad = 0;
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//
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struct table_rendering_configuration
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{
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char vertical_delimiter = '|';
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char horizontal_delimiter = '-';
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size_t left_pad = 0;
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size_t right_pad = 0;
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size_t max_entries = std::numeric_limits<size_t>::max();
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size_t field_max_length = std::numeric_limits<size_t>::max();
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};
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};
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// Declare table structure, data source container must hold a tuple with
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// every element being string convertible by ::as_string.
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//
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template<Iterable C> requires( Tuple<iterator_value_type_t<C>> &&
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StringConvertible<C> )
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struct table_view
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{
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// Required typedefs.
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//
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using entry_type_t = iterator_value_type_t<C>;
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// Declare field count.
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//
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static constexpr size_t field_count = std::tuple_size_v<iterator_value_type_t<C>>;
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// Takes a data source, a list of labels, and optionally rendering configuration.
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//
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C&& data_source;
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// Declare table structure, data source container must hold a tuple with
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// every element being string convertible by ::as_string.
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//
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template<Iterable C> requires( Tuple<iterator_value_type_t<C>> &&
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StringConvertible<C> )
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struct table_view
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{
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// Required typedefs.
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//
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using entry_type_t = iterator_value_type_t<C>;
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// Declare field count.
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//
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static constexpr size_t field_count = std::tuple_size_v<iterator_value_type_t<C>>;
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// Takes a data source, a list of labels, and optionally rendering configuration.
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//
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C&& data_source;
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table_rendering_configuration config;
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std::array<std::string_view, field_count> labels;
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constexpr table_view( C&& data_source, std::array<std::string_view, field_count> labels, table_rendering_configuration config = {} )
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: data_source( std::forward<C>( data_source ) ), labels( std::move( labels ) ), config( std::move( config ) ) {}
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: data_source( std::forward<C>( data_source ) ), labels( std::move( labels ) ), config( std::move( config ) ) {}
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// Declare string conversion.
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//
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std::string to_string() const
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{
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// Determine entry count.
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//
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const size_t entry_count = std::size( data_source );
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// Declare string conversion.
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//
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std::string to_string() const
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{
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// Determine entry count.
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//
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const size_t entry_count = std::size( data_source );
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// Convert fields in each entry into string and resize if over limit.
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//
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std::vector<std::array<std::string, field_count>> string_entries;
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// Convert fields in each entry into string and resize if over limit.
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//
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std::vector<std::array<std::string, field_count>> string_entries;
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string_entries.reserve( entry_count );
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for ( auto eit = std::begin( data_source ); eit != std::end( data_source ); ++eit )
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@ -110,73 +110,73 @@ namespace vtil::format
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break;
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}
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// Determine field lengths.
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//
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std::array<size_t, field_count> field_lengths;
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for ( auto [len, label] : zip( field_lengths, labels ) )
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len = label.length();
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for ( auto& fields : string_entries )
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{
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for ( auto [len, label] : zip( field_lengths, fields ) )
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len = std::max( len, label.length() );
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}
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// Determine field lengths.
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//
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std::array<size_t, field_count> field_lengths;
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for ( auto [len, label] : zip( field_lengths, labels ) )
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len = label.length();
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for ( auto& fields : string_entries )
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{
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for ( auto [len, label] : zip( field_lengths, fields ) )
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len = std::max( len, label.length() );
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}
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// Allocate a buffer for the output.
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//
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// Allocate a buffer for the output.
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//
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const bool table_overflow = string_entries.size() != entry_count;
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const size_t line_length =
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/* field data */ std::accumulate( field_lengths.begin(), field_lengths.end(), 0ull ) +
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/* delimiters */ 2 + field_count * 3 - 1 +
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/* new line */ 1;
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const size_t line_count =
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const size_t line_length =
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/* field data */ std::accumulate( field_lengths.begin(), field_lengths.end(), 0ull ) +
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/* delimiters */ 2 + field_count * 3 - 1 +
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/* new line */ 1;
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const size_t line_count =
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/* active entries */ string_entries.size() +
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/* labels */ 1 +
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/* delimiters */ 3 + table_overflow;
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std::string result( line_count * ( line_length + config.left_pad + config.right_pad ), '\0' );
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// Declare the iterator and data primitives.
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//
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auto iterator = result.begin();
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auto write = [ & ] ( auto... cs ) { ( ( *iterator++ = cs ), ... ); };
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auto write_n = [ & ] ( const std::string_view& v ) { iterator = std::copy( v.begin(), v.end(), iterator ); };
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auto fill = [ & ] ( char c, size_t n ) { iterator = std::fill_n( iterator, n, c ); };
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auto begl = [ & ] () { fill( ' ', config.left_pad ); };
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auto rendl = [ & ] () { fill( ' ', config.right_pad ); *( iterator - 1 ) = '\n'; };
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std::string result( line_count * ( line_length + config.left_pad + config.right_pad ), '\0' );
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// Declare the iterator and data primitives.
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//
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auto iterator = result.begin();
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auto write = [ & ] ( auto... cs ) { ( ( *iterator++ = cs ), ... ); };
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auto write_n = [ & ] ( const std::string_view& v ) { iterator = std::copy( v.begin(), v.end(), iterator ); };
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auto fill = [ & ] ( char c, size_t n ) { iterator = std::fill_n( iterator, n, c ); };
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auto begl = [ & ] () { fill( ' ', config.left_pad ); };
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auto rendl = [ & ] () { fill( ' ', config.right_pad ); *( iterator - 1 ) = '\n'; };
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// Declare helpers for writing lines.
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//
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auto write_table_limit = [ & ] ()
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{
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begl();
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fill( config.horizontal_delimiter, line_length );
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rendl();
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};
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auto write_fields = [ & ] ( const auto& fields )
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{
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begl();
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write( config.vertical_delimiter, ' ' );
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for ( auto [field, len] : zip( fields, field_lengths ) )
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{
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auto end_real = iterator + len;
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write_n( field );
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if ( end_real > iterator )
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fill( ' ', end_real - iterator );
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write( ' ', config.vertical_delimiter, ' ' );
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}
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rendl();
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};
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auto write_label_delim = [ & ] ()
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{
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begl();
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write( config.vertical_delimiter, config.horizontal_delimiter );
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for ( size_t field_len : field_lengths )
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{
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fill( config.horizontal_delimiter, field_len );
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write( config.horizontal_delimiter, config.vertical_delimiter, config.horizontal_delimiter );
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}
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rendl();
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};
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// Declare helpers for writing lines.
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//
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auto write_table_limit = [ & ] ()
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{
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begl();
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fill( config.horizontal_delimiter, line_length );
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rendl();
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};
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auto write_fields = [ & ] ( const auto& fields )
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{
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begl();
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write( config.vertical_delimiter, ' ' );
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for ( auto [field, len] : zip( fields, field_lengths ) )
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{
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auto end_real = iterator + len;
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write_n( field );
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if ( end_real > iterator )
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fill( ' ', end_real - iterator );
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write( ' ', config.vertical_delimiter, ' ' );
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}
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rendl();
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};
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auto write_label_delim = [ & ] ()
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{
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begl();
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write( config.vertical_delimiter, config.horizontal_delimiter );
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for ( size_t field_len : field_lengths )
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{
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fill( config.horizontal_delimiter, field_len );
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write( config.horizontal_delimiter, config.vertical_delimiter, config.horizontal_delimiter );
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}
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rendl();
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};
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auto write_overflow_delim = [ & ] ()
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{
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if ( table_overflow )
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@ -189,21 +189,21 @@ namespace vtil::format
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}
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};
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// Format the whole table and return the result.
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//
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write_table_limit();
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write_fields( labels );
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write_label_delim();
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for( auto& fields : string_entries )
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write_fields( fields );
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// Format the whole table and return the result.
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//
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write_table_limit();
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write_fields( labels );
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write_label_delim();
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for( auto& fields : string_entries )
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write_fields( fields );
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write_overflow_delim();
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write_table_limit();
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return result;
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}
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};
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write_table_limit();
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return result;
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}
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};
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// Declare deduction guide.
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//
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template<typename C> table_view( C&&, std::initializer_list<std::string_view> )->table_view<C>;
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// Declare deduction guide.
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//
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template<typename C> table_view( C&&, std::initializer_list<std::string_view> )->table_view<C>;
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template<typename C> table_view( C&&, std::initializer_list<std::string_view>, table_rendering_configuration )->table_view<C>;
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};
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