Merged revisions 79494,79496 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r79494 | florent.xicluna | 2010-03-30 10:24:06 +0200 (mar, 30 mar 2010) | 2 lines

  #7643: Unicode codepoints VT (0x0B) and FF (0x0C) are linebreaks according to Unicode Standard Annex #14.
........
  r79496 | florent.xicluna | 2010-03-30 18:29:03 +0200 (mar, 30 mar 2010) | 2 lines

  Highlight the change of behavior related to r79494.  Now VT and FF are linebreaks.
........
This commit is contained in:
Florent Xicluna 2010-03-30 19:34:18 +00:00
parent 364129ef5a
commit 806d8cf0e8
5 changed files with 52 additions and 12 deletions

View file

@ -38,6 +38,7 @@ EASTASIAN_WIDTH = "EastAsianWidth%s.txt"
UNIHAN = "Unihan%s.txt"
DERIVED_CORE_PROPERTIES = "DerivedCoreProperties%s.txt"
DERIVEDNORMALIZATION_PROPS = "DerivedNormalizationProps%s.txt"
LINE_BREAK = "LineBreak%s.txt"
old_versions = ["3.2.0"]
@ -52,6 +53,8 @@ BIDIRECTIONAL_NAMES = [ "", "L", "LRE", "LRO", "R", "AL", "RLE", "RLO",
EASTASIANWIDTH_NAMES = [ "F", "H", "W", "Na", "A", "N" ]
MANDATORY_LINE_BREAKS = [ "BK", "CR", "LF", "NL" ]
# note: should match definitions in Objects/unicodectype.c
ALPHA_MASK = 0x01
DECIMAL_MASK = 0x02
@ -77,7 +80,8 @@ def maketables(trace=0):
EASTASIAN_WIDTH % version,
UNIHAN % version,
DERIVED_CORE_PROPERTIES % version,
DERIVEDNORMALIZATION_PROPS % version)
DERIVEDNORMALIZATION_PROPS % version,
LINE_BREAK % version)
print(len(list(filter(None, unicode.table))), "characters")
@ -378,7 +382,7 @@ def makeunicodetype(unicode, trace):
flags |= ALPHA_MASK
if category == "Ll":
flags |= LOWER_MASK
if category == "Zl" or bidirectional == "B":
if 'Line_Break' in properties or bidirectional == "B":
flags |= LINEBREAK_MASK
linebreaks.append(char)
if category == "Zs" or bidirectional in ("WS", "B", "S"):
@ -537,8 +541,9 @@ def makeunicodetype(unicode, trace):
print(file=fp)
# Generate code for _PyUnicode_IsLinebreak()
print("/* Returns 1 for Unicode characters having the category 'Zl',", file=fp)
print(" * 'Zp' or type 'B', 0 otherwise.", file=fp)
print("/* Returns 1 for Unicode characters having the line break", file=fp)
print(" * property 'BK', 'CR', 'LF' or 'NL' or having bidirectional", file=fp)
print(" * type 'B', 0 otherwise.", file=fp)
print(" */", file=fp)
print('int _PyUnicode_IsLinebreak(register const Py_UNICODE ch)', file=fp)
print('{', file=fp)
@ -826,7 +831,8 @@ class UnicodeData:
# derived-props] (17)
def __init__(self, filename, exclusions, eastasianwidth, unihan,
derivedprops, derivednormalizationprops=None, expand=1):
derivedprops, derivednormalizationprops=None, linebreakprops=None,
expand=1):
self.changed = []
file = open(filename)
table = [None] * 0x110000
@ -912,6 +918,19 @@ class UnicodeData:
# apply to unassigned code points; ignore them
table[char][-1].add(p)
if linebreakprops:
for s in open(linebreakprops):
s = s.partition('#')[0]
s = [i.strip() for i in s.split(';')]
if len(s) < 2 or s[1] not in MANDATORY_LINE_BREAKS:
continue
if '..' not in s[0]:
first = last = int(s[0], 16)
else:
first, last = [int(c, 16) for c in s[0].split('..')]
for char in range(first, last+1):
table[char][-1].add('Line_Break')
if derivednormalizationprops:
quickchecks = [0] * 0x110000 # default is Yes
qc_order = 'NFD_QC NFKD_QC NFC_QC NFKC_QC'.split()