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scripts: generate-builtin-terminfo: escape fixes

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* Remove ‘:’ escaping only in raw (non-parameterized) sequences
* Double-escape *all* escape characters in parameterized sequences
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Daniel Eklöf 2022-10-04 21:42:13 +02:00
parent fd743b5173
commit f359a8d6bc
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1 changed files with 14 additions and 7 deletions
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scripts/generate-builtin-terminfo.py
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@ -52,18 +52,25 @@ class StringCapability(Capability):
def __init__(self, name: str, value: str):
# Expand \E to literal ESC in non-parameterized capabilities
if '%' not in value:
# Ensure e.g. \E7 doesn’t get translated to “\0337”, which
# would be interpreted as octal 337 by the C compiler
value = re.sub(r'\\E([0-7])', r'\\033" "\1', value)
# Replace \E with an actual escape
value = re.sub(r'\\E', r'\\033', value)
# Don’t escape ‘:’
value = value.replace('\\:', ':')
else:
# Need to double-escape backslashes. These only occur in
# ‘\E\’ combos. Note that \E itself is updated below
value = value.replace('\\E\\\\', '\\E\\\\\\\\')
value = value.replace("\\", "\\\\")
# # Need to double-escape backslashes. These only occur in
# # ‘\E\’ combos. Note that \E itself is updated below
# value = value.replace('\\E\\\\', '\\E\\\\\\\\')
# Need to double-escape \E in C string literals
value = value.replace('\\E', '\\\\E')
# # Need to double-escape \E in C string literals
# value = value.replace('\\E', '\\\\E')
# Don’t escape ‘:’
value = value.replace('\\:', ':')
super().__init__(name, value)