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# Parse a CMap file and dump it back out.
import sys
# Decode a subset of CMap syntax (only what is needed for our built-in resources)
# We require that tokens are whitespace separated.
def cleancmap(filename):
codespacerange = []
usecmap = ""
cmapname = ""
cmapversion = "1.0"
csi_registry = "(Adobe)"
csi_ordering = "(Unknown)"
csi_supplement = 1
wmode = 0
isbf = False
map = {}
def tocode(s):
if s[0] == '<' and s[-1] == '>':
return int(s[1:-1], 16)
return int(s, 10)
def map_cidchar(lo, v):
map[lo] = v
def map_cidrange(lo, hi, v):
while lo <= hi:
map[lo] = v
lo = lo + 1
v = v + 1
def add_bf(lo, v):
# Decode unicode surrogate pairs
if len(v) == 2 and v[0] >= 0xd800 and v[0] <= 0xdbff and v[1] >= 0xdc00 and v[1] <= 0xdfff:
map[lo] = ((v[0] - 0xd800) << 10) + (v[1] - 0xdc00) + 0x10000
elif len(v) == 1:
map[lo] = v[0]
elif len(v) <= 8:
map[lo] = v[:]
else:
print "/* warning: too long one-to-many mapping: %s */" % (v)
def map_bfchar(lo, bf):
bf = bf[1:-1] # drop < >
v = [int(bf[i:i+4],16) for i in xrange(0, len(bf), 4)]
add_bf(lo, v)
def map_bfrange(lo, hi, bf):
bf = bf[1:-1] # drop < >
v = [int(bf[i:i+4],16) for i in xrange(0, len(bf), 4)]
while lo <= hi:
add_bf(lo, v)
lo = lo + 1
v[-1] = v[-1] + 1
current = None
for line in open(filename, "r").readlines():
if line[0] == '%':
continue
line = line.strip().split()
if len(line) == 0:
continue
if line[0] == '/CMapVersion': cmapversion = line[1]
elif line[0] == '/CMapName': cmapname = line[1][1:]
elif line[0] == '/WMode': wmode = int(line[1])
elif line[0] == '/Registry': csi_registry = line[1]
elif line[0] == '/Ordering': csi_ordering = line[1]
elif line[0] == '/Supplement': csi_supplement = line[1]
elif len(line) > 1 and line[1] == 'usecmap': usecmap = line[0][1:]
elif len(line) > 1 and line[1] == 'begincodespacerange': current = 'codespacerange'
elif len(line) > 1 and line[1] == 'begincidrange': current = 'cidrange'
elif len(line) > 1 and line[1] == 'beginbfrange': current = 'bfrange'; isbf = True
elif len(line) > 1 and line[1] == 'begincidchar': current = 'cidchar'
elif len(line) > 1 and line[1] == 'beginbfchar': current = 'bfchar'; isbf = True
elif line[0] == 'begincodespacerange': current = 'codespacerange'
elif line[0] == 'begincidrange': current = 'cidrange'
elif line[0] == 'beginbfrange': current = 'bfrange'; isbf = True
elif line[0] == 'begincidchar': current = 'cidchar'
elif line[0] == 'beginbfchar': current = 'bfchar'; isbf = True
elif line[0].startswith("end"):
current = None
elif current == 'codespacerange' and len(line) == 2:
n, a, b = (len(line[0])-2)/2, tocode(line[0]), tocode(line[1])
codespacerange.append((n, a, b))
elif current == 'cidrange' and len(line) == 3:
a, b, c = tocode(line[0]), tocode(line[1]), tocode(line[2])
map_cidrange(a, b, c)
elif current == 'cidchar' and len(line) == 2:
a, b = tocode(line[0]), tocode(line[1])
map_cidchar(a, b)
elif current == 'bfchar' and len(line) == 2:
a, b = tocode(line[0]), line[1]
map_bfchar(a, b)
elif current == 'bfrange' and len(line) == 3:
a, b, c = tocode(line[0]), tocode(line[1]), line[2]
map_bfrange(a, b, c)
# Create ranges
singles = []
ranges = []
mranges = []
out_lo = -100
out_hi = -100
out_v_lo = 0
out_v_hi = 0
def flush_range():
if out_lo >= 0:
if out_lo == out_hi:
singles.append((out_lo, out_v_lo))
else:
ranges.append((out_lo, out_hi, out_v_lo))
keys = map.keys()
keys.sort()
for code in keys:
v = map[code]
if type(v) is not int:
flush_range()
out_lo = out_hi = -100
mranges.append((code, v))
else:
if code != out_hi + 1 or v != out_v_hi + 1:
flush_range()
out_lo = out_hi = code
out_v_lo = out_v_hi = v
else:
out_hi = out_hi + 1
out_v_hi = out_v_hi + 1
flush_range()
# Print CMap file
print "%!PS-Adobe-3.0 Resource-CMap"
print "%%DocumentNeededResources: procset (CIDInit)"
print "%%IncludeResource: procset (CIDInit)"
print "%%%%BeginResource: CMap (%s)" % cmapname
print "%%%%Version: %s" % cmapversion
print "%%EndComments"
print "/CIDInit /ProcSet findresource begin"
print "12 dict begin"
print "begincmap"
if usecmap: print "/%s usecmap" % usecmap
print "/CIDSystemInfo 3 dict dup begin"
print " /Registry %s def" % csi_registry
print " /Ordering %s def" % csi_ordering
print " /Supplement %s def" % csi_supplement
print "end def"
print "/CMapName /%s def" % cmapname
print "/CMapVersion %s def" % cmapversion
print "/CMapType 1 def"
print "/WMode %d def" % wmode
if len(codespacerange):
print "%d begincodespacerange" % len(codespacerange)
for r in codespacerange:
fmt = "<%%0%dx> <%%0%dx>" % (r[0]*2, r[0]*2)
print fmt % (r[1], r[2])
print "endcodespacerange"
if len(singles) > 0:
if isbf:
print "%d beginbfchar" % len(singles)
for s in singles:
print "<%04x> <%04x>" % s
print "endbfchar"
else:
print "%d begincidchar" % len(singles)
for s in singles:
print "<%04x> %d" % s
print "endcidchar"
if len(ranges) > 0:
if isbf:
print "%d beginbfrange" % len(ranges)
for r in ranges:
print "<%04x> <%04x> <%04x>" % r
print "endbfrange"
else:
print "%d begincidrange" % len(ranges)
for r in ranges:
print "<%04x> <%04x> %d" % r
print "endcidrange"
if len(mranges) > 0:
print "%d beginbfchar" % len(mranges)
for cid, v in mranges:
print "<%04x> <%s>" % (cid, "".join(["%04x" % ch for ch in v]))
print "endbfchar"
print "endcmap"
print "CMapName currentdict /CMap defineresource pop"
print "end"
print "end"
print "%%EndResource"
print "%%EOF"
for arg in sys.argv[1:]:
cleancmap(arg)
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