mercurial/context.py
changeset 3132 4d021b91cb26
parent 3131 4ea58eb3f0c9
child 3133 02b22fefc01f
equal deleted inserted replaced
3131:4ea58eb3f0c9 3132:4d021b91cb26
    68             yield self.filectx(f, fileid=mf[f])
    68             yield self.filectx(f, fileid=mf[f])
    69 
    69 
    70 class filectx(object):
    70 class filectx(object):
    71     """A filecontext object makes access to data related to a particular
    71     """A filecontext object makes access to data related to a particular
    72        filerevision convenient."""
    72        filerevision convenient."""
    73     def __init__(self, repo, path, changeid=None, fileid=None):
    73     def __init__(self, repo, path, changeid=None, fileid=None, filelog=None):
    74         """changeid can be a changeset revision, node, or tag.
    74         """changeid can be a changeset revision, node, or tag.
    75            fileid can be a file revision or node."""
    75            fileid can be a file revision or node."""
    76         self._repo = repo
    76         self._repo = repo
    77         self._path = path
    77         self._path = path
    78 
    78 
    79         assert changeid or fileid
    79         assert changeid or fileid
    80 
    80 
       
    81         if filelog:
       
    82             self._filelog = filelog
       
    83         else:
       
    84             self._filelog = self._repo.file(self._path)
       
    85 
    81         if not fileid:
    86         if not fileid:
    82             # if given a changeset id, go ahead and look up the file
    87             # if given a changeset id, go ahead and look up the file
    83             self._changeid = changeid
    88             self._changeid = changeid
    84             self._changectx = self.changectx()
    89             self._changectx = self.changectx()
    85             self._filelog = self._repo.file(self._path)
       
    86             self._filenode = self._changectx.filenode(self._path)
    90             self._filenode = self._changectx.filenode(self._path)
    87         else:
    91         else:
    88             # else be lazy
    92             # else delay changectx creation
    89             self._filelog = self._repo.file(self._path)
       
    90             self._filenode = self._filelog.lookup(fileid)
    93             self._filenode = self._filelog.lookup(fileid)
    91             self._changeid = self._filelog.linkrev(self._filenode)
    94             self._changeid = self._filelog.linkrev(self._filenode)
    92         self._filerev = self._filelog.rev(self._filenode)
    95         self._filerev = self._filelog.rev(self._filenode)
    93 
    96 
    94     def changectx(self):
    97     def changectx(self):
   113     def data(self): return self._filelog.read(self._filenode)
   116     def data(self): return self._filelog.read(self._filenode)
   114     def renamed(self): return self._filelog.renamed(self._filenode)
   117     def renamed(self): return self._filelog.renamed(self._filenode)
   115     def path(self): return self._path
   118     def path(self): return self._path
   116 
   119 
   117     def parents(self):
   120     def parents(self):
   118         p = [ (self._path, n) for n in self._filelog.parents(self._filenode) ]
   121         p = self._path
       
   122         fl = self._filelog
       
   123         pl = [ (p, n, fl) for n in self._filelog.parents(self._filenode) ]
       
   124 
   119         r = self.renamed()
   125         r = self.renamed()
       
   126         if r:
       
   127             pl[0] = (r[0], r[1], None)
   120 
   128 
   121         if r:
   129         return [ filectx(self._repo, p, fileid=n, filelog=l)
   122             p[0] = r
   130                  for p,n,l in pl if n != nullid ]
   123         return [ filectx(self._repo, p, fileid=n) for p,n in p if n != nullid ]
       
   124 
   131 
   125     def children(self):
   132     def children(self):
   126         # hard for renames
   133         # hard for renames
   127         c = self._filelog.children(self._filenode)
   134         c = self._filelog.children(self._filenode)
   128         return [ filectx(self._repo, self._path, fileid=x) for x in c ]
   135         return [ filectx(self._repo, self._path, fileid=x,
       
   136                          filelog=self._filelog) for x in c ]
   129 
   137 
   130     def annotate(self):
   138     def annotate(self):
   131         return self._filelog.annotate(self._filenode)
   139         return self._filelog.annotate(self._filenode)
       
   140