is_path_absolute

Return true if the path is absolute

Synopsis

bool is_path_absolute() noexcept;

Declared in file <boost/url/url_view_base.hpp> at line 1611

Description

This function returns true if the path begins with a forward slash ('/').

Example

assert( url_view( "/path/to/file.txt" ).is_path_absolute() );

Complexity

Constant.

Exception Safety

Throws nothing.

BNF

path = path-abempty ; begins with "/" or is empty / path-absolute ; begins with "/" but not "//" / path-noscheme ; begins with a non-colon segment / path-rootless ; begins with a segment / path-empty ; zero characters path-abempty = *( "/" segment ) path-absolute = "/" [ segment-nz *( "/" segment ) ] path-noscheme = segment-nz-nc *( "/" segment ) path-rootless = segment-nz *( "/" segment ) path-empty = 0

Specification

  • 3.3. Path (rfc3986)