Merged quote-norm with Greg's WMT normalization script

1 files changed, 108 insertions, 35 deletions

diff --git a/corpus/support/quote-norm.pl b/corpus/support/quote-norm.pl
index 7fe33db4..c99c2355 100755
--- a/corpus/support/quote-norm.pl
+++ b/corpus/support/quote-norm.pl
@@ -7,31 +7,94 @@ binmode(STDOUT,"utf8");
 while(<STDIN>) {
   chomp;
   $_ = " $_ ";
-  s/&\s*lt\s*;/</gi;
-  s/&\s*gt\s*;/>/gi;
-  s/&\s*squot\s*;/'/gi;
-  s/&\s*quot\s*;/"/gi;
-  s/&\s*amp\s*;/&/gi;
-  s/&\s*nbsp\s*;/&/gi;
-  s/&\s*#\s*160\s*;/ /gi;
+
+  # Regularlize spaces:
+  s/\x{a0}/ /g;       # non-breaking space
+  s/\x{2009}/ /g;     # thin space
+  s/\x{2028}/ /g;     # "line separator"
+  s/\x{2029}/ /g;     # "paragraph separator"
+  s/\x{202a}/ /g;     # "left-to-right embedding"
+  s/\x{202b}/ /g;     # "right-to-left embedding"
+  s/\x{202c}/ /g;     # "pop directional formatting"
+  s/\x{202d}/ /g;     # "left-to-right override"
+  s/\x{202e}/ /g;     # "right-to-left override"
+  s/\x{85}/ /g;       # "next line"
+  s/\x{fffd}/ /g;     # "replacement character"
+  s/\x{feff}/ /g;     # byte-order mark
+  s/\x{fdd3}/ /g;     # "unicode non-character"
+
+  # Regularize named HTML/XML escapes:
+  s/&\s*lt\s*;/</gi;    # HTML opening angle bracket
+  s/&\s*gt\s*;/>/gi;    # HTML closing angle bracket
+  s/&\s*squot\s*;/'/gi; # HTML single quote
+  s/&\s*quot\s*;/"/gi;  # HTML double quote
+  s/&\s*nbsp\s*;/ /gi;  # HTML non-breaking space
+  s/&apos;/\'/g;        # HTML apostrophe
+  s/&\s*amp\s*;/&/gi;   # HTML ampersand (last)
+
+  # Regularize known HTML numeric codes:
+  s/&\s*#\s*160\s*;/ /gi;           # no-break space
+  s/&\s*#45\s*;\s*&\s*#45\s*;/--/g; # hyphen-minus hyphen-minus
+  s/&\s*#45\s*;/--/g;               # hyphen-minus
+
+  # Convert other Windows 1252 characters to UTF-8 
+  s/\x{80}/\x{20ac}/g;    # euro sign
+  s/\x{95}/\x{2022}/g;    # bullet
+  s/\x{99}/\x{2122}/g;    # trademark sign
+
+  # Currency and measure conversions:
   s/ (\d\d): (\d\d)/ $1:$2/g;
   s/[\x{20a0}]\x{20ac}]/ EUR /g;
   s/[\x{00A3}]/ GBP /g;
   s/(\W)([A-Z]+\$?)(\d*\.\d+|\d+)/$1$2 $3/g;
   s/(\W)(euro?)(\d*\.\d+|\d+)/$1EUR $3/gi;
-  s/&\s*#45\s*;\s*&\s*#45\s*;/--/g;
-  s/&\s*#45\s*;/--/g;
-  s/�c/--/g;
-  s/ ,,/ "/g;
-  s/„/"/g;
-  s/``/"/g;
-  s/''/"/g;
-  s/[「」]/"/g;
-  s/〃/"/g;
-  s/¨/"/g;
+
+  # Ridiculous double conversions(?) (news commentary and Giga-FrEn):
+  s/�c/--/g;                        # long dash
+  s/\x{e2}\x{20ac}oe/\"/g;            # opening double quote
+  s/\x{e2}\x{20ac}\x{9c}/\"/g;        # opening double quote
+  s/\x{e2}\x{20ac}\x{9d}/\"/g;        # closing double quote
+  s/\x{e2}\x{20ac}\x{2122}/\'/g;      # apostrophe
+  s/\x{e2}\x{20ac}\x{201c}/ -- /g;    # en dash?
+  s/\x{e2}\x{20ac}\x{201d}/ -- /g;    # em dash? 
+  s/â(\x{80}\x{99}|\x{80}\x{98})/'/g; # single quote?
+  s/â(\x{80}\x{9c}|\x{80}\x{9d})/"/g; # double quote?
+
+  # Regularize quotes:
+  s/ˇ/'/g;            # caron
+  s/´/'/g;            # acute accent
+  s/`/'/g;            # grave accent
+  s/ˉ/'/g;            # modified letter macron
+  s/ ,,/ "/g;         # ghetto low-99 quote
+  s/``/"/g;           # latex-style left quote
+  s/''/"/g;           # latex-style right quote
+  s/\x{300c}/"/g;     # left corner bracket
+  s/\x{300d}/"/g;     # right corner bracket
+  s/\x{3003}/"/g;     # ditto mark
+  s/\x{00a8}/"/g;     # diaeresis
+  s/\x{92}/\'/g;      # curly apostrophe
+  s/\x{2019}/\'/g;    # curly apostrophe
+  s/\x{f03d}/\'/g;    # curly apostrophe
+  s/\x{b4}/\'/g;      # curly apostrophe
+  s/\x{2018}/\'/g;    # curly single open quote
+  s/\x{201a}/\'/g;    # low-9 quote
+  s/\x{93}/\"/g;      # curly left quote
+  s/\x{201c}/\"/g;    # curly left quote
+  s/\x{94}/\"/g;      # curly right quote
+  s/\x{201d}/\"/g;    # curly right quote
+  s/\x{2033}/\"/g;    # curly right quote
+  s/\x{201e}/\"/g;    # low-99 quote
+  s/\x{84}/\"/g;      # low-99 quote (bad enc)
+  s/\x{201f}/\"/g;    # high-rev-99 quote
+  s/\x{ab}/\"/g;      # opening guillemet
+  s/\x{bb}/\"/g;      # closing guillemet
+  s/\x{0301}/'/g;     # combining acute accent
+
+  # Space inverted punctuation:
   s/¡/ ¡ /g;
   s/¿/ ¿ /g;
 
+  # Russian abbreviations:
   s/ п. п. / п.п. /g;
   s/ ст. л. / ст.л. /g;
   s/ т. е. / т.е. /g;
@@ -45,29 +108,19 @@ while(<STDIN>) {
   s/ т. н. / т.н. /g;
   s/ т. ч. / т.ч. /g;
   s/ н. э. / н.э. /g;
-  # â<U+0080><U+0099>
-  s/â(\x{80}\x{99}|\x{80}\x{98})/'/g;
-  s/â(\x{80}\x{9c}|\x{80}\x{9d})/"/g;
-  s/ˇ/'/g;
-  s/´/'/g;
-  s/`/'/g;
-  s/’/'/g;
-  s/ ́/'/g;
-  s/‘/'/g;
-  s/ˉ/'/g;
-  s/β/ß/g; # WMT 2010 error
-  s/“/"/g;
-  s/”/"/g;
-  s/«/"/g;
-  s/»/"/g;
-  tr/！-～/!-~/;
+
+  # Convert foreign numerals into Arabic numerals
   tr/०-९/0-9/; # devangari
   tr/౦-౯/0-9/; # telugu
   tr/೦-೯/0-9/; # kannada
   tr/೦-௯/0-9/; # tamil
   tr/൦-൯/0-9/; # malayalam
+
+  # Random punctuation:
+  tr/！-～/!-~/;
   s/、/,/g;
   # s/。/./g;
+  s/\x{85}/.../g;
   s/…/.../g;
   s/―/--/g;
   s/–/--/g;
@@ -82,11 +135,31 @@ while(<STDIN>) {
   s/’/'/g;
   s/â€"/"/g;
   s/؛/;/g;
-		    
+
+  # Regularize ligatures:
+  s/\x{9c}/oe/g;      # "oe" ligature 
+  s/\x{0153}/oe/g;    # "oe" ligature 
+  s/\x{8c}/Oe/g;      # "OE" ligature
+  s/\x{0152}/Oe/g;    # "OE" ligature
+  s/\x{fb00}/ff/g;    # "ff" ligature
+  s/\x{fb01}/fi/g;    # "fi" ligature
+  s/\x{fb02}/fl/g;    # "fl" ligature
+  s/\x{fb03}/ffi/g;   # "ffi" ligature
+  s/\x{fb04}/ffi/g;   # "ffl" ligature
+
+  # Convert arbitrary hex or decimal HTML entities to actual characters:
+  s/&\#x([0-9A-Fa-f]+);/pack("U", hex($1))/ge;
+  s/&\#([0-9]+);/pack("U", $1)/ge;
+
+  s/β/ß/g; # WMT 2010 error
+
+  # Strip extra spaces: 
   s/\s+/ /g;
   s/^\s+//;
   s/\s+$//;
-  s/[\x{00}-\x{1f}]//g;
+
+  # Delete control characters:
+  s/[\x{00}-\x{1f}]//g; 
   print "$_\n";
 }