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c75a1d7e16
This will essentially call g_strstrip() on each token.
There are some specialties:
- if the resulting word is empty after stripping, then according to
%NM_UTILS_STRSPLIT_SET_FLAGS_PRESERVE_EMPTY, the empty token will be
removed. If that results in an empty string array, %NULL will be
returned.
- if %NM_UTILS_STRSPLIT_SET_FLAGS_ALLOW_ESCAPING is set, then
whitespace that is backslash escaped is not removed.
Since this is a post-operation that happens after tokeninzing, it
could be done as a separate function. And we already have this function:
_nm_utils_unescape_plain() and _nm_utils_unescape_spaces().
However, that is ugly for several reasons:
- the stripping should be part of the tokenizing, you shouldn't need
several steps.
- nm_utils_strsplit_set_full() returns a "const char **" which
indicates the strings must not be freed. However, it is perfectly
valid to modify the string inplace. Hence, the post-op function
would need to cast the strings to "char *", which seems ugly
(although we do that on many places, and it's guaranteed to work).
- _nm_utils_unescape_plain()/_nm_utils_unescape_spaces() is indeed
already used together with nm_utils_strsplit_set_full(). However,
it requires to initialize the cb_lookup buffer twice. I would expect
that initializing the cb_lookup buffer is a large portion of what
the function does already (for short strings).
This issue will be solved in the next commit by adding yet another flag
which allows to unescape.
(cherry picked from commit
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| .. | ||
| c-list | ||
| c-rbtree | ||
| c-siphash | ||
| n-acd | ||
| nm-utils | ||
| systemd | ||
| meson.build | ||
| nm-common-macros.h | ||
| nm-dbus-compat.h | ||
| nm-default.h | ||
| nm-dispatcher-api.h | ||
| nm-ethtool-utils.c | ||
| nm-ethtool-utils.h | ||
| nm-libnm-core-utils.c | ||
| nm-libnm-core-utils.h | ||
| nm-meta-setting.c | ||
| nm-meta-setting.h | ||
| nm-test-libnm-utils.h | ||
| nm-test-utils-impl.c | ||
| nm-version-macros.h.in | ||