[Bug 741427] RFC: gst-launch/gst-inspect support for presets

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=741427
  GStreamer | gstreamer (core) | 1.x

--- Comment #4 from Stefan Sauer (gstreamer, gtkdoc dev) <ensonic at sonicpulse.de> 2014-12-21 13:35:38 UTC ---
http://cgit.freedesktop.org/gstreamer/gstreamer/tree/gst/parse/parse.l#n65

properties are set as

_identifier [[:alnum:]_][[:alnum:]\-_%:]*
_char ("\\".)|([^[:space:]])
_string {_char}+|("\""([^\"]|"\\\"")*"\"")|("'"([^']|"\\\'")*"'")
_assign [[:space:]]*"="[[:space:]]*
_assignment {_identifier}{_assign}{_string}

for presets I'd add:

_preset @preset
_preset @preset{_assign}{_string}

+ the code to handle handle it. Any better ideas?

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