mtcore::csv::common Namespace Reference

Functions
u64	quoted_regions (u64 m)
Slice< const char >	unquote_quoted (Slice< const char > data, Options opts)
template<WriterImpl WI>
Result< size_t, typename io::Writer< WI >::ErrType >	decode (io::Writer< WI > &writer, Slice< const char > field, const Options options={})

Function Documentation

decode()

template<WriterImpl WI>

Result< size_t, typename io::Writer< WI >::ErrType > mtcore::csv::common::decode	(	io::Writer< WI > &	writer,
		Slice< const char >	field,
		const Options	options = {} )

Definition at line 94 of file common.hpp.

                                                                                {}) {
      ensure(options.valid());
      const auto quote = options.quote;
      if (field.len < 2 || field[0] != quote) {
        return writer.write_all(field);
      }
 
      const auto data = unquote_quoted(field, options);
      Optional<char> nextChar;
      Optional<char> curChar;
      size_t ni      = 1;
      size_t written = 0;
 
      if (0 < data.len) {
        curChar = data[0];
        if (1 < data.len) {
          nextChar = data[1];
        }
      }
 
      char c;
      while (curChar.copy_if_present(c)) {
        mtdefer {
          ni++;
          curChar = nextChar;
          if (ni < data.len) {
            nextChar = data[ni];
          }
          else {
            nextChar = nullopt;
          }
        };
 
        if (c != quote) {
          if (auto r = writer.write(c); r.is_error()) {
            return r.error();
          }
          ++written;
          continue;
        }
 
        if (nextChar == quote) {
          mtdefer {
            ni += 1;
            curChar = nextChar;
            if (ni < data.len) {
              nextChar = data[ni];
            }
            else {
              nextChar = nullopt;
            }
          };
 
          if (auto r = writer.write(c); r.is_error()) {
            return r.error();
          }
          ++written;
        }
      }
 
      return success(written);
    }

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quoted_regions()

u64 mtcore::csv::common::quoted_regions ( u64 m )

nodiscard

unquote_quoted()

Slice< const char > mtcore::csv::common::unquote_quoted	(	Slice< const char >	data,
		Options	opts )