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encoded_size

Return the buffer size needed for percent-encoding.

Synopsis

Defined in header <boost/url/encode.hpp>

template<
    class CharSet>
std::size_t
encoded_size(
    core::string_view s,
    CharSet const& unreserved,
    encoding_opts opt = {});
Description

This function returns the exact number of bytes necessary to store the result of applying percent-encoding to the string using the given options and character set. No encoding is actually performed.

Example
assert( encoded_size( "My Stuff" , pchars ) == 10 );
Exception Safety

Throws nothing.

Return Value

The number of bytes needed, excluding any null terminator.

Parameters

Name

Description

s

The string to measure.

unreserved

The set of characters that is not percent-encoded.

opt

The options for encoding. If this parameter is omitted, the default options are be used.

Specification
See Also

encode, encoding_opts, make_pct_string_view.

Convenience header <boost/url.hpp>


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