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use dict for extraNames lookups, getting rid of quadratic behavior

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git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@200 4cde692c-a291-49d1-8350-778aa11640f8
This commit is contained in:
jvr 2002-05-04 22:03:05 +00:00
parent 25ccb9c346
commit 0d762b00de
1 changed files with 10 additions and 5 deletions
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15
Lib/fontTools/ttLib/tables/_p_o_s_t.py
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@ -123,23 +123,28 @@ class table__p_o_s_t(DefaultTable.DefaultTable):
glyphOrder = ttFont.getGlyphOrder()
assert len(glyphOrder) == numGlyphs
indices = array.array("H")
extraDict = {}
extraNames = self.extraNames
for i in range(len(extraNames)):
extraDict[extraNames[i]] = i
for glyphID in range(numGlyphs):
glyphName = glyphOrder[glyphID]
if self.mapping.has_key(glyphName):
psName = self.mapping[glyphName]
else:
psName = glyphName
if psName in self.extraNames:
index = 258 + self.extraNames.index(psName)
if extraDict.has_key(psName):
index = 258 + extraDict[psName]
elif psName in standardGlyphOrder:
index = standardGlyphOrder.index(psName)
else:
index = 258 + len(self.extraNames)
self.extraNames.append(psName)
index = 258 + len(extraNames)
extraDict[psName] = len(extraNames)
extraNames.append(psName)
indices.append(index)
if ttLib.endian <> "big":
indices.byteswap()
return struct.pack(">H", numGlyphs) + indices.tostring() + packPStrings(self.extraNames)
return struct.pack(">H", numGlyphs) + indices.tostring() + packPStrings(extraNames)
def toXML(self, writer, ttFont):
formatstring, names, fixes = sstruct.getformat(postFormat)