Issue 5362: Generalize context searches
1: Add Context::matches ()
This method answers the central question of a context search: is this
what I'm looking for? Its use will increase in later commits.
2: Generalize context searches
Combine code for \new, \context, and various internal searches. This
includes a small block of disabled code which will fix
input/regression/context-find-parent.ly once it is enabled.
input/regression/context-descend-only-not-found.ly shows that a defect
in the descend-to-context function has been fixed: although the
previous implementation never changed context outside the current
subtree, it allowed creating a new context outside the current
subtree.
3: Change descend-only to search-direction
It is now a direction rather than a boolean.
https://codereview.appspot.com/579250043
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** [issues:#5362] Generalize context searches**
**Status:** Started
**Created:** Fri Jun 29, 2018 01:08 AM UTC by Dan Eble
**Last Updated:** Wed Jan 29, 2020 08:34 PM UTC
**Owner:** Dan Eble
Generalize context searches
Combine code for \new, \context, and various internal searches. This includes
a small block of disabled code which will fix
input/regression/context-find-parent.ly once it is enabled.
Separate the following from the act of finding a context:
1. forbid access to the Global context
2. prevent creation of multiple Scores under the Global context
3. warn if the desired context is not found or created
Rename the music property descend-only to search-direction; change its type
from a boolean to a direction.
http://codereview.appspot.com/344050043
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