Mercurial > diff-colorize
changeset 7:c6337f653d9b
Added some comments documenting the OrderedDict class and our instance's contents.
| author | Peter Hosey |
|---|---|
| date | Mon, 11 Aug 2008 00:16:09 -0700 |
| parents | d58b4e2e12d4 |
| children | 4bb2557d24cd |
| files | diff-colorize.py |
| diffstat | 1 files changed, 15 insertions(+), 0 deletions(-) [+] |
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--- a/diff-colorize.py +++ b/diff-colorize.py @@ -16,6 +16,19 @@ COLOR_FORMAT = '\033[38;5;%um' BEGIN_REVERSE_FORMAT = '\033[7m' END_REVERSE_FORMAT = '\033[27m' +# Everything in the unified diff format is identified by a prefix. The prefixes are: +# 'Index: ': File marker (unified diff) +# 'diff --git': File marker (git-style diff) +# 'old mode': File permissions mode before change +# 'new mode': File permissions mode after change +# '---': Defining '-' (giving the name and modification date of the file before change) +# '+++': Defining '+' (giving the name and modification date of the file after change) +# '-': Line before change (i.e., removed) +# '+': Line after change (i.e., added) +# ' ': Line that hasn't changed +# '@@': Hunk start (@@ -start,length +start, length @@) +# +# We need to look for these prefixes in order, in order to handle '---'/'+++' before '-'/'+'. Hence the OrderedDict. class OrderedDict(dict): def __init__(self, input=None): if input is None: @@ -37,6 +50,8 @@ class OrderedDict(dict): super(OrderedDict, self).__delitem__(k) self.keys.remove(k) +# Each value includes not only the terminal-config characters, but also the key, somewhere within it (possibly between two terminal-config strings). +# Theoretically, you could replace the key with some other string or leave it out entirely, if you wanted to, but I wouldn't recommend it. prefixes = OrderedDict() prefixes['---'] = ( COLOR_FORMAT % (REMOVED_COLOR,)