Update Unicode-Collate to CPAN version 1.04

  [DELTA]

1.04  Sat Dec  7 11:34:18 2013
    - XS: a workaround for perl 5.6.x to handle U+FFFF correctly.
      unpack_U() is implemented by using XS again as well as that in 1.02,
      but now that is used only in the versions before perl 5.8.0.

3 files changed, 65 insertions, 5 deletions

diff --git a/Porting/Maintainers.pl b/Porting/Maintainers.pl
index 2e13c08acd..78c4089243 100755
--- a/Porting/Maintainers.pl
+++ b/Porting/Maintainers.pl
@@ -1233,7 +1233,7 @@ use File::Glob qw(:case);
     },
 
     'Unicode::Collate' => {
-        'DISTRIBUTION' => 'SADAHIRO/Unicode-Collate-1.03.tar.gz',
+        'DISTRIBUTION' => 'SADAHIRO/Unicode-Collate-1.04.tar.gz',
         'FILES'        => q[cpan/Unicode-Collate],
         'EXCLUDED'     => [
             qr{N$},
diff --git a/cpan/Unicode-Collate/Collate.pm b/cpan/Unicode-Collate/Collate.pm
index 7eda04b4be..0fd2951726 100644
--- a/cpan/Unicode-Collate/Collate.pm
+++ b/cpan/Unicode-Collate/Collate.pm
@@ -17,7 +17,7 @@ use File::Spec;
 
 no warnings 'utf8';
 
-our $VERSION = '1.03';
+our $VERSION = '1.04';
 our $PACKAGE = __PACKAGE__;
 
 ### begin XS only ###
@@ -99,9 +99,11 @@ sub pack_U {
     return pack('U*', @_);
 }
 
-sub unpack_U {
-    return unpack('U*', shift(@_).pack('U*'));
-}
+### begin XS only ###
+*unpack_U = exists &Unicode::Collate::bootstrap &&
+	$] < 5.008 && \&unpackUfor56 && 0x41 == unpackUfor56('A')
+    ? \&unpackUfor56 : sub { return unpack('U*', shift(@_).pack('U*')) };
+### end XS only ###
 
 ######
 
diff --git a/cpan/Unicode-Collate/Collate.xs b/cpan/Unicode-Collate/Collate.xs
index 2c0adf8351..af62d0b295 100644
--- a/cpan/Unicode-Collate/Collate.xs
+++ b/cpan/Unicode-Collate/Collate.xs
@@ -10,6 +10,37 @@
 /* This file is prepared by mkheader */
 #include "ucatbl.h"
 
+/* Perl 5.6.1 ? */
+#ifndef utf8n_to_uvuni
+#define utf8n_to_uvuni  utf8_to_uv
+#endif /* utf8n_to_uvuni */
+
+/* UTF8_ALLOW_BOM is used before Perl 5.8.0 */
+#ifndef UTF8_ALLOW_BOM
+#define UTF8_ALLOW_BOM  (0)
+#endif /* UTF8_ALLOW_BOM */
+
+#ifndef UTF8_ALLOW_SURROGATE
+#define UTF8_ALLOW_SURROGATE  (0)
+#endif /* UTF8_ALLOW_SURROGATE */
+
+#ifndef UTF8_ALLOW_FE_FF
+#define UTF8_ALLOW_FE_FF  (0)
+#endif /* UTF8_ALLOW_FE_FF */
+
+#ifndef UTF8_ALLOW_FFFF
+#define UTF8_ALLOW_FFFF  (0)
+#endif /* UTF8_ALLOW_FFFF */
+
+#define AllowAnyUTF (UTF8_ALLOW_SURROGATE|UTF8_ALLOW_BOM|UTF8_ALLOW_FE_FF|UTF8_ALLOW_FFFF)
+
+/* perl 5.6.x workaround, before 5.8.0 */
+#ifdef utf8n_to_uvuni
+#define GET_UV_FOR_5_6	utf8n_to_uvuni(p, e - p, &retlen, AllowAnyUTF)
+#else
+#define GET_UV_FOR_5_6	retlen = 1 /* avoid an infinite loop */
+#endif /* utf8n_to_uvuni */
+
 /* At present, char > 0x10ffff are unaffected without complaint, right? */
 #define VALID_UTF_MAX    (0x10ffff)
 #define OVER_UTF_MAX(uv) (VALID_UTF_MAX < (uv))
@@ -658,3 +689,30 @@ visualizeSortKey (self, key)
 OUTPUT:
     RETVAL
 
+
+
+void
+unpackUfor56 (src)
+    SV* src
+  PREINIT:
+    STRLEN srclen, retlen;
+    U8 *s, *p, *e;
+    UV uv;
+  PPCODE:
+    s = (U8*)SvPV(src,srclen);
+    if (!SvUTF8(src)) {
+	SV* tmpsv = sv_mortalcopy(src);
+	if (!SvPOK(tmpsv))
+	    (void)sv_pvn_force(tmpsv,&srclen);
+	sv_utf8_upgrade(tmpsv);
+	s = (U8*)SvPV(tmpsv,srclen);
+    }
+    e = s + srclen;
+
+    for (p = s; p < e; p += retlen) {
+	uv = GET_UV_FOR_5_6; /* perl 5.6.x workaround */
+	if (!retlen)
+	    croak("panic (Unicode::Collate): zero-length character");
+	XPUSHs(sv_2mortal(newSVuv(uv)));
+    }
+