X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=utf8.c;h=ff113f9fdfbc3542f32000cd1de7d537e205115d;hb=f63f8e2fd0961bccc25f9a9f7fffef07b3c2a65a;hp=8c7aee2d8945b05346a00202a50f83473bee18c2;hpb=cea2e8a9dd23747fd2b66edc86c58c64e9970321;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/utf8.c b/utf8.c
index 8c7aee2..ff113f9 100644
--- a/utf8.c
+++ b/utf8.c
@@ -1,6 +1,6 @@
 /*    utf8.c
  *
- *    Copyright (c) 1998-1999, Larry Wall
+ *    Copyright (c) 1998-2000, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -68,8 +68,8 @@ Perl_uv_to_utf8(pTHX_ U8 *d, UV uv)
 	*d++ = (( uv        & 0x3f) | 0x80);
 	return d;
     }
-#ifdef Quad_t
-    if (uv < 0x2000000000)
+#ifdef HAS_QUAD
+    if (uv < 0x1000000000LL)
 #endif
     {
 	*d++ =                        0xfe;	/* Can't match U+FEFF! */
@@ -81,9 +81,14 @@ Perl_uv_to_utf8(pTHX_ U8 *d, UV uv)
 	*d++ = (( uv        & 0x3f) | 0x80);
 	return d;
     }
-#ifdef Quad_t
+#ifdef HAS_QUAD
     {
 	*d++ =                        0xff;	/* Can't match U+FFFE! */
+	*d++ =                        0x80;	/* 6 Reserved bits */
+	*d++ = (((uv >> 60) & 0x0f) | 0x80);	/* 2 Reserved bits */
+	*d++ = (((uv >> 54) & 0x3f) | 0x80);
+	*d++ = (((uv >> 48) & 0x3f) | 0x80);
+	*d++ = (((uv >> 42) & 0x3f) | 0x80);
 	*d++ = (((uv >> 36) & 0x3f) | 0x80);
 	*d++ = (((uv >> 30) & 0x3f) | 0x80);
 	*d++ = (((uv >> 24) & 0x3f) | 0x80);
@@ -107,7 +112,9 @@ Perl_utf8_to_uv(pTHX_ U8* s, I32* retlen)
 	return *s;
     }
     if (!(uv & 0x40)) {
-	Perl_warn(aTHX_ "Malformed UTF-8 character");
+        dTHR;
+	if (ckWARN_d(WARN_UTF8))     
+	    Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
 	if (retlen)
 	    *retlen = 1;
 	return *s;
@@ -118,8 +125,8 @@ Perl_utf8_to_uv(pTHX_ U8* s, I32* retlen)
     else if (!(uv & 0x08))	{ len = 4; uv &= 0x07; }
     else if (!(uv & 0x04))	{ len = 5; uv &= 0x03; }
     else if (!(uv & 0x02))	{ len = 6; uv &= 0x01; }
-    else if (!(uv & 0x01))	{ len = 7; uv &= 0x00; }
-    else 			  len = 8;	/* whoa! */
+    else if (!(uv & 0x01))	{ len = 7;  uv = 0; }
+    else 			{ len = 13; uv = 0; } /* whoa! */
 
     if (retlen)
 	*retlen = len;
@@ -127,7 +134,9 @@ Perl_utf8_to_uv(pTHX_ U8* s, I32* retlen)
     s++;
     while (len--) {
 	if ((*s & 0xc0) != 0x80) {
-	    Perl_warn(aTHX_ "Malformed UTF-8 character");
+            dTHR;
+	    if (ckWARN_d(WARN_UTF8))     
+	        Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
 	    if (retlen)
 		*retlen -= len + 1;
 	    return 0xfffd;
@@ -203,9 +212,11 @@ Perl_utf16_to_utf8(pTHX_ U16* p, U8* d, I32 bytelen)
 	    continue;
 	}
 	if (uv >= 0xd800 && uv < 0xdbff) {	/* surrogates */
+            dTHR;
 	    int low = *p++;
 	    if (low < 0xdc00 || low >= 0xdfff) {
-		Perl_warn(aTHX_ "Malformed UTF-16 surrogate");
+		if (ckWARN_d(WARN_UTF8))     
+	    	    Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-16 surrogate");
 		p--;
 		uv = 0xfffd;
 	    }
@@ -249,15 +260,23 @@ Perl_utf16_to_utf8_reversed(pTHX_ U16* p, U8* d, I32 bytelen)
 bool
 Perl_is_uni_alnum(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_alnum(tmpbuf);
 }
 
 bool
+Perl_is_uni_alnumc(pTHX_ U32 c)
+{
+    U8 tmpbuf[UTF8_MAXLEN];
+    uv_to_utf8(tmpbuf, (UV)c);
+    return is_utf8_alnumc(tmpbuf);
+}
+
+bool
 Perl_is_uni_idfirst(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_idfirst(tmpbuf);
 }
@@ -265,15 +284,23 @@ Perl_is_uni_idfirst(pTHX_ U32 c)
 bool
 Perl_is_uni_alpha(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_alpha(tmpbuf);
 }
 
 bool
+Perl_is_uni_ascii(pTHX_ U32 c)
+{
+    U8 tmpbuf[UTF8_MAXLEN];
+    uv_to_utf8(tmpbuf, (UV)c);
+    return is_utf8_ascii(tmpbuf);
+}
+
+bool
 Perl_is_uni_space(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_space(tmpbuf);
 }
@@ -281,7 +308,7 @@ Perl_is_uni_space(pTHX_ U32 c)
 bool
 Perl_is_uni_digit(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_digit(tmpbuf);
 }
@@ -289,7 +316,7 @@ Perl_is_uni_digit(pTHX_ U32 c)
 bool
 Perl_is_uni_upper(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_upper(tmpbuf);
 }
@@ -297,23 +324,55 @@ Perl_is_uni_upper(pTHX_ U32 c)
 bool
 Perl_is_uni_lower(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_lower(tmpbuf);
 }
 
 bool
+Perl_is_uni_cntrl(pTHX_ U32 c)
+{
+    U8 tmpbuf[UTF8_MAXLEN];
+    uv_to_utf8(tmpbuf, (UV)c);
+    return is_utf8_cntrl(tmpbuf);
+}
+
+bool
+Perl_is_uni_graph(pTHX_ U32 c)
+{
+    U8 tmpbuf[UTF8_MAXLEN];
+    uv_to_utf8(tmpbuf, (UV)c);
+    return is_utf8_graph(tmpbuf);
+}
+
+bool
 Perl_is_uni_print(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return is_utf8_print(tmpbuf);
 }
 
+bool
+Perl_is_uni_punct(pTHX_ U32 c)
+{
+    U8 tmpbuf[UTF8_MAXLEN];
+    uv_to_utf8(tmpbuf, (UV)c);
+    return is_utf8_punct(tmpbuf);
+}
+
+bool
+Perl_is_uni_xdigit(pTHX_ U32 c)
+{
+    U8 tmpbuf[UTF8_MAXLEN];
+    uv_to_utf8(tmpbuf, (UV)c);
+    return is_utf8_xdigit(tmpbuf);
+}
+
 U32
 Perl_to_uni_upper(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return to_utf8_upper(tmpbuf);
 }
@@ -321,7 +380,7 @@ Perl_to_uni_upper(pTHX_ U32 c)
 U32
 Perl_to_uni_title(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return to_utf8_title(tmpbuf);
 }
@@ -329,7 +388,7 @@ Perl_to_uni_title(pTHX_ U32 c)
 U32
 Perl_to_uni_lower(pTHX_ U32 c)
 {
-    U8 tmpbuf[10];
+    U8 tmpbuf[UTF8_MAXLEN];
     uv_to_utf8(tmpbuf, (UV)c);
     return to_utf8_lower(tmpbuf);
 }
@@ -343,6 +402,12 @@ Perl_is_uni_alnum_lc(pTHX_ U32 c)
 }
 
 bool
+Perl_is_uni_alnumc_lc(pTHX_ U32 c)
+{
+    return is_uni_alnumc(c);	/* XXX no locale support yet */
+}
+
+bool
 Perl_is_uni_idfirst_lc(pTHX_ U32 c)
 {
     return is_uni_idfirst(c);	/* XXX no locale support yet */
@@ -355,6 +420,12 @@ Perl_is_uni_alpha_lc(pTHX_ U32 c)
 }
 
 bool
+Perl_is_uni_ascii_lc(pTHX_ U32 c)
+{
+    return is_uni_ascii(c);	/* XXX no locale support yet */
+}
+
+bool
 Perl_is_uni_space_lc(pTHX_ U32 c)
 {
     return is_uni_space(c);	/* XXX no locale support yet */
@@ -379,11 +450,35 @@ Perl_is_uni_lower_lc(pTHX_ U32 c)
 }
 
 bool
+Perl_is_uni_cntrl_lc(pTHX_ U32 c)
+{
+    return is_uni_cntrl(c);	/* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_graph_lc(pTHX_ U32 c)
+{
+    return is_uni_graph(c);	/* XXX no locale support yet */
+}
+
+bool
 Perl_is_uni_print_lc(pTHX_ U32 c)
 {
     return is_uni_print(c);	/* XXX no locale support yet */
 }
 
+bool
+Perl_is_uni_punct_lc(pTHX_ U32 c)
+{
+    return is_uni_punct(c);	/* XXX no locale support yet */
+}
+
+bool
+Perl_is_uni_xdigit_lc(pTHX_ U32 c)
+{
+    return is_uni_xdigit(c);	/* XXX no locale support yet */
+}
+
 U32
 Perl_to_uni_upper_lc(pTHX_ U32 c)
 {
@@ -402,7 +497,6 @@ Perl_to_uni_lower_lc(pTHX_ U32 c)
     return to_uni_lower(c);	/* XXX no locale support yet */
 }
 
-
 bool
 Perl_is_utf8_alnum(pTHX_ U8 *p)
 {
@@ -419,6 +513,21 @@ Perl_is_utf8_alnum(pTHX_ U8 *p)
 }
 
 bool
+Perl_is_utf8_alnumc(pTHX_ U8 *p)
+{
+    if (!PL_utf8_alnum)
+	PL_utf8_alnum = swash_init("utf8", "IsAlnumC", &PL_sv_undef, 0, 0);
+    return swash_fetch(PL_utf8_alnum, p);
+/*    return is_utf8_alpha(p) || is_utf8_digit(p); */
+#ifdef SURPRISINGLY_SLOWER  /* probably because alpha is usually true */
+    if (!PL_utf8_alnum)
+	PL_utf8_alnum = swash_init("utf8", "",
+	    sv_2mortal(newSVpv("+utf8::IsAlpha\n+utf8::IsDigit\n005F\n",0)), 0, 0);
+    return swash_fetch(PL_utf8_alnum, p);
+#endif
+}
+
+bool
 Perl_is_utf8_idfirst(pTHX_ U8 *p)
 {
     return *p == '_' || is_utf8_alpha(p);
@@ -433,6 +542,14 @@ Perl_is_utf8_alpha(pTHX_ U8 *p)
 }
 
 bool
+Perl_is_utf8_ascii(pTHX_ U8 *p)
+{
+    if (!PL_utf8_ascii)
+	PL_utf8_ascii = swash_init("utf8", "IsAscii", &PL_sv_undef, 0, 0);
+    return swash_fetch(PL_utf8_ascii, p);
+}
+
+bool
 Perl_is_utf8_space(pTHX_ U8 *p)
 {
     if (!PL_utf8_space)
@@ -465,6 +582,22 @@ Perl_is_utf8_lower(pTHX_ U8 *p)
 }
 
 bool
+Perl_is_utf8_cntrl(pTHX_ U8 *p)
+{
+    if (!PL_utf8_cntrl)
+	PL_utf8_cntrl = swash_init("utf8", "IsCntrl", &PL_sv_undef, 0, 0);
+    return swash_fetch(PL_utf8_cntrl, p);
+}
+
+bool
+Perl_is_utf8_graph(pTHX_ U8 *p)
+{
+    if (!PL_utf8_graph)
+	PL_utf8_graph = swash_init("utf8", "IsGraph", &PL_sv_undef, 0, 0);
+    return swash_fetch(PL_utf8_graph, p);
+}
+
+bool
 Perl_is_utf8_print(pTHX_ U8 *p)
 {
     if (!PL_utf8_print)
@@ -473,6 +606,22 @@ Perl_is_utf8_print(pTHX_ U8 *p)
 }
 
 bool
+Perl_is_utf8_punct(pTHX_ U8 *p)
+{
+    if (!PL_utf8_punct)
+	PL_utf8_punct = swash_init("utf8", "IsPunct", &PL_sv_undef, 0, 0);
+    return swash_fetch(PL_utf8_punct, p);
+}
+
+bool
+Perl_is_utf8_xdigit(pTHX_ U8 *p)
+{
+    if (!PL_utf8_xdigit)
+	PL_utf8_xdigit = swash_init("utf8", "IsXDigit", &PL_sv_undef, 0, 0);
+    return swash_fetch(PL_utf8_xdigit, p);
+}
+
+bool
 Perl_is_utf8_mark(pTHX_ U8 *p)
 {
     if (!PL_utf8_mark)