diff options
author | Jeremy Hylton <jeremy@alum.mit.edu> | 2000-06-01 17:39:12 (GMT) |
---|---|---|
committer | Jeremy Hylton <jeremy@alum.mit.edu> | 2000-06-01 17:39:12 (GMT) |
commit | b1aa19515ffdb84c6633ee0344196fd8bd50ade0 (patch) | |
tree | 457a1072b56a4981029f80032681a31fd5f29ef7 /Lib/sre_constants.py | |
parent | 0292d78e91eafbd9946323db845acc59dfac6ff6 (diff) | |
download | cpython-b1aa19515ffdb84c6633ee0344196fd8bd50ade0.zip cpython-b1aa19515ffdb84c6633ee0344196fd8bd50ade0.tar.gz cpython-b1aa19515ffdb84c6633ee0344196fd8bd50ade0.tar.bz2 |
Fredrik Lundh: here's the 96.6% version of SRE
Diffstat (limited to 'Lib/sre_constants.py')
-rw-r--r-- | Lib/sre_constants.py | 95 |
1 files changed, 68 insertions, 27 deletions
diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py index af88309..531dc31 100644 --- a/Lib/sre_constants.py +++ b/Lib/sre_constants.py @@ -48,20 +48,31 @@ SUBPATTERN = "subpattern" # positions AT_BEGINNING = "at_beginning" +AT_BEGINNING_LINE = "at_beginning_line" AT_BOUNDARY = "at_boundary" AT_NON_BOUNDARY = "at_non_boundary" AT_END = "at_end" +AT_END_LINE = "at_end_line" # categories - CATEGORY_DIGIT = "category_digit" CATEGORY_NOT_DIGIT = "category_not_digit" CATEGORY_SPACE = "category_space" CATEGORY_NOT_SPACE = "category_not_space" CATEGORY_WORD = "category_word" CATEGORY_NOT_WORD = "category_not_word" +CATEGORY_LINEBREAK = "category_linebreak" +CATEGORY_NOT_LINEBREAK = "category_not_linebreak" +CATEGORY_LOC_DIGIT = "category_loc_digit" +CATEGORY_LOC_NOT_DIGIT = "category_loc_not_digit" +CATEGORY_LOC_SPACE = "category_loc_space" +CATEGORY_LOC_NOT_SPACE = "category_loc_not_space" +CATEGORY_LOC_WORD = "category_loc_word" +CATEGORY_LOC_NOT_WORD = "category_loc_not_word" +CATEGORY_LOC_LINEBREAK = "category_loc_linebreak" +CATEGORY_LOC_NOT_LINEBREAK = "category_loc_not_linebreak" -CODES = [ +OPCODES = [ # failure=0 success=1 (just because it looks better that way :-) FAILURE, SUCCESS, @@ -87,45 +98,75 @@ CODES = [ ] -# convert to dictionary -c = {} -i = 0 -for code in CODES: - c[code] = i - i = i + 1 -CODES = c +ATCODES = [ + AT_BEGINNING, AT_BEGINNING_LINE, AT_BOUNDARY, + AT_NON_BOUNDARY, AT_END, AT_END_LINE +] + +CHCODES = [ + CATEGORY_DIGIT, CATEGORY_NOT_DIGIT, CATEGORY_SPACE, + CATEGORY_NOT_SPACE, CATEGORY_WORD, CATEGORY_NOT_WORD, + CATEGORY_LINEBREAK, CATEGORY_NOT_LINEBREAK, CATEGORY_LOC_DIGIT, + CATEGORY_LOC_NOT_DIGIT, CATEGORY_LOC_SPACE, + CATEGORY_LOC_NOT_SPACE, CATEGORY_LOC_WORD, CATEGORY_LOC_NOT_WORD, + CATEGORY_LOC_LINEBREAK, CATEGORY_LOC_NOT_LINEBREAK +] + +def makedict(list): + d = {} + i = 0 + for item in list: + d[item] = i + i = i + 1 + return d + +OPCODES = makedict(OPCODES) +ATCODES = makedict(ATCODES) +CHCODES = makedict(CHCODES) # replacement operations for "ignore case" mode -MAP_IGNORE = { +OP_IGNORE = { GROUP: GROUP_IGNORE, IN: IN_IGNORE, LITERAL: LITERAL_IGNORE, NOT_LITERAL: NOT_LITERAL_IGNORE } -POSITIONS = { - AT_BEGINNING: ord("a"), - AT_BOUNDARY: ord("b"), - AT_NON_BOUNDARY: ord("B"), - AT_END: ord("z"), +AT_MULTILINE = { + AT_BEGINNING: AT_BEGINNING_LINE, + AT_END: AT_END_LINE } -CATEGORIES = { - CATEGORY_DIGIT: ord("d"), - CATEGORY_NOT_DIGIT: ord("D"), - CATEGORY_SPACE: ord("s"), - CATEGORY_NOT_SPACE: ord("S"), - CATEGORY_WORD: ord("w"), - CATEGORY_NOT_WORD: ord("W"), +CH_LOCALE = { + CATEGORY_DIGIT: CATEGORY_LOC_DIGIT, + CATEGORY_NOT_DIGIT: CATEGORY_LOC_NOT_DIGIT, + CATEGORY_SPACE: CATEGORY_LOC_SPACE, + CATEGORY_NOT_SPACE: CATEGORY_LOC_NOT_SPACE, + CATEGORY_WORD: CATEGORY_LOC_WORD, + CATEGORY_NOT_WORD: CATEGORY_LOC_NOT_WORD, + CATEGORY_LINEBREAK: CATEGORY_LOC_LINEBREAK, + CATEGORY_NOT_LINEBREAK: CATEGORY_LOC_NOT_LINEBREAK } +# flags +SRE_FLAG_TEMPLATE = 1 # NYI +SRE_FLAG_IGNORECASE = 2 +SRE_FLAG_LOCALE = 4 +SRE_FLAG_MULTILINE = 8 +SRE_FLAG_DOTALL = 16 +SRE_FLAG_VERBOSE = 32 + if __name__ == "__main__": import string - items = CODES.items() - items.sort(lambda a, b: cmp(a[1], b[1])) + def dump(f, d, prefix): + items = d.items() + items.sort(lambda a, b: cmp(a[1], b[1])) + for k, v in items: + f.write("#define %s_%s %s\n" % (prefix, string.upper(k), v)) f = open("sre_constants.h", "w") - f.write("/* generated by sre_constants.py */\n") - for k, v in items: - f.write("#define SRE_OP_" + string.upper(k) + " " + str(v) + "\n") + f.write("/* generated from sre_constants.py */\n") + dump(f, OPCODES, "SRE_OP") + dump(f, ATCODES, "SRE") + dump(f, CHCODES, "SRE") f.close() print "done" |