def getInflectionGroups(self, mainEntry, controlByteCount, tagTable, dinfl,
inflectionNames, groupList):
'''
Create string which contains the inflection groups with inflection rules as mobipocket tags.
@param mainEntry: The word to inflect.
@param controlByteCount: The number of control bytes.
@param tagTable: The tag table.
@param data: The Inflection data object to properly select the right inflection data section to use
@param inflectionNames: The inflection rule name data.
@param groupList: The list of inflection groups to process.
@return: String with inflection groups and rules or empty string if required tags are not available.
'''
result = ""
for value in groupList:
offset, nextOffset, data = dinfl.offsets(value)
# First byte seems to be always 0x00 and must be skipped.
assert ord(data[offset]) == 0x00
tagMap = getTagMap(controlByteCount, tagTable, data, offset + 1,
nextOffset)
# Make sure that the required tags are available.
if 0x05 not in tagMap:
print "Error: Required tag 0x05 not found in tagMap"
return ""
if 0x1a not in tagMap:
print "Error: Required tag 0x1a not found in tagMap"
return ""
result += "<idx:infl>"
for i in range(len(tagMap[0x05])):
# Get name of inflection rule.
value = tagMap[0x05][i]
consumed, textLength = getVariableWidthValue(
inflectionNames, value)
inflectionName = inflectionNames[value + consumed:value +
consumed + textLength]
# Get and apply inflection rule across possibly multiple inflection data sections
value = tagMap[0x1a][i]
rvalue, start, count, data = dinfl.lookup(value)
offset, = struct.unpack_from('>H', data,
start + 4 + (2 * rvalue))
textLength = ord(data[offset])
inflection = self.applyInflectionRule(mainEntry, data,
offset + 1,
offset + 1 + textLength)
if inflection is not None:
result += ' <idx:iform name="%s" value="%s"/>' % (
inflectionName, inflection)
result += "</idx:infl>"
return result
def getInflectionGroups(self, mainEntry, controlByteCount, tagTable, data, inflectionNames, groupList):
'''
Create string which contains the inflection groups with inflection rules as mobipocket tags.
@param mainEntry: The word to inflect.
@param controlByteCount: The number of control bytes.
@param tagTable: The tag table.
@param data: The inflection index data.
@param inflectionNames: The inflection rule name data.
@param groupList: The list of inflection groups to process.
@return: String with inflection groups and rules or empty string if required tags are not available.
'''
result = ""
idxtPos, = struct.unpack_from('>L', data, 0x14)
entryCount, = struct.unpack_from('>L', data, 0x18)
for value in groupList:
offset, = struct.unpack_from('>H', data, idxtPos + 4 + (2 * value))
if value + 1 < entryCount:
nextOffset, = struct.unpack_from('>H', data, idxtPos + 4 + (2 * (value + 1)))
else:
nextOffset = None
# First byte seems to be always 0x00 and must be skipped.
assert ord(data[offset]) == 0x00
tagMap = getTagMap(controlByteCount, tagTable, data, offset + 1, nextOffset)
# Make sure that the required tags are available.
if 0x05 not in tagMap:
print "Error: Required tag 0x05 not found in tagMap"
return ""
if 0x1a not in tagMap:
print "Error: Required tag 0x1a not found in tagMap"
return ""
result += "<idx:infl>"
for i in range(len(tagMap[0x05])):
# Get name of inflection rule.
value = tagMap[0x05][i]
consumed, textLength = getVariableWidthValue(inflectionNames, value)
inflectionName = inflectionNames[value+consumed:value+consumed+textLength]
# Get and apply inflection rule.
value = tagMap[0x1a][i]
offset, = struct.unpack_from('>H', data, idxtPos + 4 + (2 * value))
textLength = ord(data[offset])
inflection = self.applyInflectionRule(mainEntry, data, offset+1, offset+1+textLength)
if inflection != None:
result += ' <idx:iform name="%s" value="%s"/>' % (inflectionName, inflection)
result += "</idx:infl>"
return result
def getInflectionGroups(self, mainEntry, controlByteCount, tagTable, dinfl, inflectionNames, groupList):
'''
Create string which contains the inflection groups with inflection rules as mobipocket tags.
@param mainEntry: The word to inflect.
@param controlByteCount: The number of control bytes.
@param tagTable: The tag table.
@param data: The Inflection data object to properly select the right inflection data section to use
@param inflectionNames: The inflection rule name data.
@param groupList: The list of inflection groups to process.
@return: String with inflection groups and rules or empty string if required tags are not available.
'''
result = ""
for value in groupList:
offset, nextOffset, data = dinfl.offsets(value)
# First byte seems to be always 0x00 and must be skipped.
assert ord(data[offset]) == 0x00
tagMap = getTagMap(controlByteCount, tagTable, data, offset + 1, nextOffset)
# Make sure that the required tags are available.
if 0x05 not in tagMap:
print "Error: Required tag 0x05 not found in tagMap"
return ""
if 0x1a not in tagMap:
print "Error: Required tag 0x1a not found in tagMap"
return ""
result += "<idx:infl>"
for i in range(len(tagMap[0x05])):
# Get name of inflection rule.
value = tagMap[0x05][i]
consumed, textLength = getVariableWidthValue(inflectionNames, value)
inflectionName = inflectionNames[value+consumed:value+consumed+textLength]
# Get and apply inflection rule across possibly multiple inflection data sections
value = tagMap[0x1a][i]
rvalue, start, count, data = dinfl.lookup(value)
offset, = struct.unpack_from('>H', data, start + 4 + (2 * rvalue))
textLength = ord(data[offset])
inflection = self.applyInflectionRule(mainEntry, data, offset+1, offset+1+textLength)
if inflection is not None:
result += ' <idx:iform name="%s" value="%s"/>' % (inflectionName, inflection)
result += "</idx:infl>"
return result
def getPositionMap(self):
header = self.header
sect = self.sect
positionMap = {}
metaOrthIndex = self.metaOrthIndex
metaInflIndex = self.metaInflIndex
decodeInflection = True
if metaOrthIndex != 0xFFFFFFFF:
print "Info: Document contains orthographic index, handle as dictionary"
if metaInflIndex == 0xFFFFFFFF:
decodeInflection = False
else:
metaInflIndexData = sect.loadSection(metaInflIndex)
print "\nParsing metaInflIndexData"
midxhdr, mhordt1, mhordt2 = self.parseHeader(metaInflIndexData)
metaIndexCount = midxhdr['count']
idatas = []
for j in range(metaIndexCount):
idatas.append(sect.loadSection(metaInflIndex + 1 + j))
dinfl = InflectionData(idatas)
inflNameData = sect.loadSection(metaInflIndex + 1 +
metaIndexCount)
tagSectionStart = midxhdr['len']
inflectionControlByteCount, inflectionTagTable = readTagSection(
tagSectionStart, metaInflIndexData)
if DEBUG_DICT:
print "inflectionTagTable: %s" % inflectionTagTable
if self.hasTag(inflectionTagTable, 0x07):
print "Error: Dictionary uses obsolete inflection rule scheme which is not yet supported"
decodeInflection = False
data = sect.loadSection(metaOrthIndex)
print "\nParsing metaOrthIndex"
idxhdr, hordt1, hordt2 = self.parseHeader(data)
tagSectionStart = idxhdr['len']
controlByteCount, tagTable = readTagSection(tagSectionStart, data)
orthIndexCount = idxhdr['count']
print "orthIndexCount is", orthIndexCount
if DEBUG_DICT:
print "orthTagTable: %s" % tagTable
if hordt2 is not None:
print "orth entry uses ordt2 lookup table of type ", idxhdr[
'otype']
hasEntryLength = self.hasTag(tagTable, 0x02)
if not hasEntryLength:
print "Info: Index doesn't contain entry length tags"
print "Read dictionary index data"
for i in range(metaOrthIndex + 1,
metaOrthIndex + 1 + orthIndexCount):
data = sect.loadSection(i)
hdrinfo, ordt1, ordt2 = self.parseHeader(data)
idxtPos = hdrinfo['start']
entryCount = hdrinfo['count']
idxPositions = []
for j in range(entryCount):
pos, = struct.unpack_from('>H', data,
idxtPos + 4 + (2 * j))
idxPositions.append(pos)
# The last entry ends before the IDXT tag (but there might be zero fill bytes we need to ignore!)
idxPositions.append(idxtPos)
for j in range(entryCount):
startPos = idxPositions[j]
endPos = idxPositions[j + 1]
textLength = ord(data[startPos])
text = data[startPos + 1:startPos + 1 + textLength]
if hordt2 is not None:
utext = u""
if idxhdr['otype'] == 0:
pattern = '>H'
inc = 2
else:
pattern = '>B'
inc = 1
pos = 0
while pos < textLength:
off, = struct.unpack_from(pattern, text, pos)
if off < len(hordt2):
utext += unichr(hordt2[off])
else:
utext += unichr(off)
pos += inc
text = utext.encode('utf-8')
tagMap = getTagMap(controlByteCount, tagTable, data,
startPos + 1 + textLength, endPos)
if 0x01 in tagMap:
if decodeInflection and 0x2a in tagMap:
inflectionGroups = self.getInflectionGroups(
text, inflectionControlByteCount,
inflectionTagTable, dinfl, inflNameData,
tagMap[0x2a])
else:
inflectionGroups = ""
assert len(tagMap[0x01]) == 1
entryStartPosition = tagMap[0x01][0]
if hasEntryLength:
# The idx:entry attribute "scriptable" must be present to create entry length tags.
ml = '<idx:entry scriptable="yes"><idx:orth value="%s">%s</idx:orth>' % (
text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[
entryStartPosition] + ml
else:
positionMap[entryStartPosition] = ml
assert len(tagMap[0x02]) == 1
entryEndPosition = entryStartPosition + tagMap[
0x02][0]
if entryEndPosition in positionMap:
positionMap[
entryEndPosition] = "</idx:entry>" + positionMap[
entryEndPosition]
else:
positionMap[entryEndPosition] = "</idx:entry>"
else:
indexTags = '<idx:entry>\n<idx:orth value="%s">\n%s</idx:entry>\n' % (
text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[
entryStartPosition] + indexTags
else:
positionMap[entryStartPosition] = indexTags
return positionMap
def getPositionMap (self):
header = self.header
sect = self.sect
positionMap = {}
metaOrthIndex = self.metaOrthIndex
metaInflIndex = self.metaInflIndex
decodeInflection = True
if metaOrthIndex != 0xFFFFFFFF:
print "Info: Document contains orthographic index, handle as dictionary"
if metaInflIndex == 0xFFFFFFFF:
decodeInflection = False
else:
metaInflIndexData = sect.loadSection(metaInflIndex)
print "\nParsing metaInflIndexData"
midxhdr, mhordt1, mhordt2 = self.parseHeader(metaInflIndexData)
metaIndexCount = midxhdr['count']
idatas = []
for j in range(metaIndexCount):
idatas.append(sect.loadSection(metaInflIndex + 1 + j))
dinfl = InflectionData(idatas)
inflNameData = sect.loadSection(metaInflIndex + 1 + metaIndexCount)
tagSectionStart = midxhdr['len']
inflectionControlByteCount, inflectionTagTable = readTagSection(tagSectionStart, metaInflIndexData)
if DEBUG_DICT:
print "inflectionTagTable: %s" % inflectionTagTable
if self.hasTag(inflectionTagTable, 0x07):
print "Error: Dictionary uses obsolete inflection rule scheme which is not yet supported"
decodeInflection = False
data = sect.loadSection(metaOrthIndex)
print "\nParsing metaOrthIndex"
idxhdr, hordt1, hordt2 = self.parseHeader(data)
tagSectionStart = idxhdr['len']
controlByteCount, tagTable = readTagSection(tagSectionStart, data)
orthIndexCount = idxhdr['count']
print "orthIndexCount is", orthIndexCount
if DEBUG_DICT:
print "orthTagTable: %s" % tagTable
if hordt2 is not None:
print "orth entry uses ordt2 lookup table of type ", idxhdr['otype']
hasEntryLength = self.hasTag(tagTable, 0x02)
if not hasEntryLength:
print "Info: Index doesn't contain entry length tags"
print "Read dictionary index data"
for i in range(metaOrthIndex + 1, metaOrthIndex + 1 + orthIndexCount):
data = sect.loadSection(i)
hdrinfo, ordt1, ordt2 = self.parseHeader(data)
idxtPos = hdrinfo['start']
entryCount = hdrinfo['count']
idxPositions = []
for j in range(entryCount):
pos, = struct.unpack_from('>H', data, idxtPos + 4 + (2 * j))
idxPositions.append(pos)
# The last entry ends before the IDXT tag (but there might be zero fill bytes we need to ignore!)
idxPositions.append(idxtPos)
for j in range(entryCount):
startPos = idxPositions[j]
endPos = idxPositions[j+1]
textLength = ord(data[startPos])
text = data[startPos+1:startPos+1+textLength]
if hordt2 is not None:
utext = u""
if idxhdr['otype'] == 0:
pattern = '>H'
inc = 2
else:
pattern = '>B'
inc = 1
pos = 0
while pos < textLength:
off, = struct.unpack_from(pattern, text, pos)
if off < len(hordt2):
utext += unichr(hordt2[off])
else:
utext += unichr(off)
pos += inc
text = utext.encode('utf-8')
tagMap = getTagMap(controlByteCount, tagTable, data, startPos+1+textLength, endPos)
if 0x01 in tagMap:
if decodeInflection and 0x2a in tagMap:
inflectionGroups = self.getInflectionGroups(text, inflectionControlByteCount, inflectionTagTable,
dinfl, inflNameData, tagMap[0x2a])
else:
inflectionGroups = ""
assert len(tagMap[0x01]) == 1
entryStartPosition = tagMap[0x01][0]
if hasEntryLength:
# The idx:entry attribute "scriptable" must be present to create entry length tags.
ml = '<idx:entry scriptable="yes"><idx:orth value="%s">%s</idx:orth>' % (text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[entryStartPosition] + ml
else:
positionMap[entryStartPosition] = ml
assert len(tagMap[0x02]) == 1
entryEndPosition = entryStartPosition + tagMap[0x02][0]
if entryEndPosition in positionMap:
positionMap[entryEndPosition] = "</idx:entry>" + positionMap[entryEndPosition]
else:
positionMap[entryEndPosition] = "</idx:entry>"
else:
indexTags = '<idx:entry>\n<idx:orth value="%s">\n%s</idx:entry>\n' % (text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[entryStartPosition] + indexTags
else:
positionMap[entryStartPosition] = indexTags
return positionMap
def getPositionMap(self):
header = self.header
sect = self.sect
positionMap = {}
metaOrthIndex = self.metaOrthIndex
metaInflIndex = self.metaInflIndex
decodeInflection = True
if metaOrthIndex != 0xFFFFFFFF:
print "Info: Document contains orthographic index, handle as dictionary"
if metaInflIndex == 0xFFFFFFFF:
decodeInflection = False
else:
metaInflIndexData = sect.loadSection(metaInflIndex)
metaIndexCount, = struct.unpack_from('>L', metaInflIndexData,
0x18)
if metaIndexCount != 1:
print "Error: Dictionary contains multiple inflection index sections, which is not yet supported"
decodeInflection = False
inflIndexData = sect.loadSection(metaInflIndex + 1)
inflNameData = sect.loadSection(metaInflIndex + 1 +
metaIndexCount)
tagSectionStart, = struct.unpack_from('>L', metaInflIndexData,
0x04)
inflectionControlByteCount, inflectionTagTable = readTagSection(
tagSectionStart, metaInflIndexData)
if DEBUG_DICT:
print "inflectionTagTable: %s" % inflectionTagTable
if self.hasTag(inflectionTagTable, 0x07):
print "Error: Dictionary uses obsolete inflection rule scheme which is not yet supported"
decodeInflection = False
data = sect.loadSection(metaOrthIndex)
tagSectionStart, = struct.unpack_from('>L', data, 0x04)
controlByteCount, tagTable = readTagSection(tagSectionStart, data)
orthIndexCount, = struct.unpack_from('>L', data, 0x18)
print "orthIndexCount is", orthIndexCount
if DEBUG_DICT:
print "orthTagTable: %s" % tagTable
hasEntryLength = self.hasTag(tagTable, 0x02)
if not hasEntryLength:
print "Info: Index doesn't contain entry length tags"
print "Read dictionary index data"
for i in range(metaOrthIndex + 1,
metaOrthIndex + 1 + orthIndexCount):
data = sect.loadSection(i)
idxtPos, = struct.unpack_from('>L', data, 0x14)
entryCount, = struct.unpack_from('>L', data, 0x18)
idxPositions = []
for j in range(entryCount):
pos, = struct.unpack_from('>H', data,
idxtPos + 4 + (2 * j))
idxPositions.append(pos)
# The last entry ends before the IDXT tag (but there might be zero fill bytes we need to ignore!)
idxPositions.append(idxtPos)
for j in range(entryCount):
startPos = idxPositions[j]
endPos = idxPositions[j + 1]
textLength = ord(data[startPos])
text = data[startPos + 1:startPos + 1 + textLength]
tagMap = getTagMap(controlByteCount, tagTable, data,
startPos + 1 + textLength, endPos)
if 0x01 in tagMap:
if decodeInflection and 0x2a in tagMap:
inflectionGroups = self.getInflectionGroups(
text, inflectionControlByteCount,
inflectionTagTable, inflIndexData,
inflNameData, tagMap[0x2a])
else:
inflectionGroups = ""
assert len(tagMap[0x01]) == 1
entryStartPosition = tagMap[0x01][0]
if hasEntryLength:
# The idx:entry attribute "scriptable" must be present to create entry length tags.
ml = '<idx:entry scriptable="yes"><idx:orth value="%s">%s</idx:orth>' % (
text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[
entryStartPosition] + ml
else:
positionMap[entryStartPosition] = ml
assert len(tagMap[0x02]) == 1
entryEndPosition = entryStartPosition + tagMap[
0x02][0]
if entryEndPosition in positionMap:
positionMap[
entryEndPosition] = "</idx:entry>" + positionMap[
entryEndPosition]
else:
positionMap[entryEndPosition] = "</idx:entry>"
else:
indexTags = '<idx:entry>\n<idx:orth value="%s">\n%s</idx:entry>\n' % (
text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[
entryStartPosition] + indexTags
else:
positionMap[entryStartPosition] = indexTags
return positionMap
def getInflectionGroups(self, mainEntry, controlByteCount, tagTable, data,
inflectionNames, groupList):
'''
Create string which contains the inflection groups with inflection rules as mobipocket tags.
@param mainEntry: The word to inflect.
@param controlByteCount: The number of control bytes.
@param tagTable: The tag table.
@param data: The inflection index data.
@param inflectionNames: The inflection rule name data.
@param groupList: The list of inflection groups to process.
@return: String with inflection groups and rules or empty string if required tags are not available.
'''
result = ""
idxtPos, = struct.unpack_from('>L', data, 0x14)
entryCount, = struct.unpack_from('>L', data, 0x18)
for value in groupList:
offset, = struct.unpack_from('>H', data, idxtPos + 4 + (2 * value))
if value + 1 < entryCount:
nextOffset, = struct.unpack_from(
'>H', data, idxtPos + 4 + (2 * (value + 1)))
else:
nextOffset = None
# First byte seems to be always 0x00 and must be skipped.
assert ord(data[offset]) == 0x00
tagMap = getTagMap(controlByteCount, tagTable, data, offset + 1,
nextOffset)
# Make sure that the required tags are available.
if 0x05 not in tagMap:
print "Error: Required tag 0x05 not found in tagMap"
return ""
if 0x1a not in tagMap:
print "Error: Required tag 0x1a not found in tagMap"
return ""
result += "<idx:infl>"
for i in range(len(tagMap[0x05])):
# Get name of inflection rule.
value = tagMap[0x05][i]
consumed, textLength = getVariableWidthValue(
inflectionNames, value)
inflectionName = inflectionNames[value + consumed:value +
consumed + textLength]
# Get and apply inflection rule.
value = tagMap[0x1a][i]
offset, = struct.unpack_from('>H', data,
idxtPos + 4 + (2 * value))
textLength = ord(data[offset])
inflection = self.applyInflectionRule(mainEntry, data,
offset + 1,
offset + 1 + textLength)
if inflection != None:
result += ' <idx:iform name="%s" value="%s"/>' % (
inflectionName, inflection)
result += "</idx:infl>"
return result
def getPositionMap (self):
header = self.header
sect = self.sect
positionMap = {}
metaOrthIndex = self.metaOrthIndex
metaInflIndex = self.metaInflIndex
decodeInflection = True
if metaOrthIndex != 0xFFFFFFFF:
print "Info: Document contains orthographic index, handle as dictionary"
if metaInflIndex == 0xFFFFFFFF:
decodeInflection = False
else:
metaInflIndexData = sect.loadSection(metaInflIndex)
metaIndexCount, = struct.unpack_from('>L', metaInflIndexData, 0x18)
if metaIndexCount != 1:
print "Error: Dictionary contains multiple inflection index sections, which is not yet supported"
decodeInflection = False
inflIndexData = sect.loadSection(metaInflIndex + 1)
inflNameData = sect.loadSection(metaInflIndex + 1 + metaIndexCount)
tagSectionStart, = struct.unpack_from('>L', metaInflIndexData, 0x04)
inflectionControlByteCount, inflectionTagTable = readTagSection(tagSectionStart, metaInflIndexData)
if DEBUG_DICT:
print "inflectionTagTable: %s" % inflectionTagTable
if self.hasTag(inflectionTagTable, 0x07):
print "Error: Dictionary uses obsolete inflection rule scheme which is not yet supported"
decodeInflection = False
data = sect.loadSection(metaOrthIndex)
tagSectionStart, = struct.unpack_from('>L', data, 0x04)
controlByteCount, tagTable = readTagSection(tagSectionStart, data)
orthIndexCount, = struct.unpack_from('>L', data, 0x18)
print "orthIndexCount is", orthIndexCount
if DEBUG_DICT:
print "orthTagTable: %s" % tagTable
hasEntryLength = self.hasTag(tagTable, 0x02)
if not hasEntryLength:
print "Info: Index doesn't contain entry length tags"
print "Read dictionary index data"
for i in range(metaOrthIndex + 1, metaOrthIndex + 1 + orthIndexCount):
data = sect.loadSection(i)
idxtPos, = struct.unpack_from('>L', data, 0x14)
entryCount, = struct.unpack_from('>L', data, 0x18)
idxPositions = []
for j in range(entryCount):
pos, = struct.unpack_from('>H', data, idxtPos + 4 + (2 * j))
idxPositions.append(pos)
# The last entry ends before the IDXT tag (but there might be zero fill bytes we need to ignore!)
idxPositions.append(idxtPos)
for j in range(entryCount):
startPos = idxPositions[j]
endPos = idxPositions[j+1]
textLength = ord(data[startPos])
text = data[startPos+1:startPos+1+textLength]
tagMap = getTagMap(controlByteCount, tagTable, data, startPos+1+textLength, endPos)
if 0x01 in tagMap:
if decodeInflection and 0x2a in tagMap:
inflectionGroups = self.getInflectionGroups(text, inflectionControlByteCount, inflectionTagTable, inflIndexData, inflNameData, tagMap[0x2a])
else:
inflectionGroups = ""
assert len(tagMap[0x01]) == 1
entryStartPosition = tagMap[0x01][0]
if hasEntryLength:
# The idx:entry attribute "scriptable" must be present to create entry length tags.
ml = '<idx:entry scriptable="yes"><idx:orth value="%s">%s</idx:orth>' % (text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[entryStartPosition] + ml
else:
positionMap[entryStartPosition] = ml
assert len(tagMap[0x02]) == 1
entryEndPosition = entryStartPosition + tagMap[0x02][0]
if entryEndPosition in positionMap:
positionMap[entryEndPosition] = "</idx:entry>" + positionMap[entryEndPosition]
else:
positionMap[entryEndPosition] = "</idx:entry>"
else:
indexTags = '<idx:entry>\n<idx:orth value="%s">\n%s</idx:entry>\n' % (text, inflectionGroups)
if entryStartPosition in positionMap:
positionMap[entryStartPosition] = positionMap[entryStartPosition] + indexTags
else:
positionMap[entryStartPosition] = indexTags
return positionMap