comparison mercurial/utils/stringutil.py @ 38576:a3130208db1c

stringutil: move _formatsetrepr() from smartset

I'll add a matcher subclass wrapping a boolean function, which will use
buildrepr() to provide debugging information in a similar way to
smartset.filteredset.

38575:152f4822d210

        assert l >= 0
        lines.append((l, rs[p0:q0].rstrip()))
        p0, p1 = q0, q1
    return '\n'.join('  ' * l + s for l, s in lines)

def binary(s):
    """return true if a string is binary data"""
    return bool(s and '\0' in s)

def stringmatcher(pattern, casesensitive=True):

38576:a3130208db1c

        assert l >= 0
        lines.append((l, rs[p0:q0].rstrip()))
        p0, p1 = q0, q1
    return '\n'.join('  ' * l + s for l, s in lines)

def buildrepr(r):
    """Format an optional printable representation from unexpanded bits

    ========  =================================
    type(r)   example
    ========  =================================
    tuple     ('<not %r>', other)
    bytes     '<branch closed>'
    callable  lambda: '<branch %r>' % sorted(b)
    object    other
    ========  =================================
    """
    if r is None:
        return ''
    elif isinstance(r, tuple):
        return r[0] % pycompat.rapply(pycompat.maybebytestr, r[1:])
    elif isinstance(r, bytes):
        return r
    elif callable(r):
        return r()
    else:
        return pycompat.byterepr(r)

def binary(s):
    """return true if a string is binary data"""
    return bool(s and '\0' in s)

def stringmatcher(pattern, casesensitive=True):