Avoid AV and HV in perlio.c by inventing PerlIO_list_t which is AV-ish

[p5sagit/p5-mst-13.2.git] / ext / Encode / Encode.xs

diff --git a/ext/Encode/Encode.xs b/ext/Encode/Encode.xs
index b559120..f3e8738 100644 (file)
--- a/ext/Encode/Encode.xs
+++ b/ext/Encode/Encode.xs
@@ -1,3 +1,5 @@
+#define PERL_NO_GET_CONTEXT
+
 #include "EXTERN.h"
 #include "perl.h"
 #include "XSUB.h"
@@ -7,7 +9,8 @@
 #include "EBCDIC.h"
 #include "Symbols.h"
 
-#define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) {   \
+
+#define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) {dTHX;   \
                          Perl_croak(aTHX_ "panic_unimplemented"); \
                         return (y)0; /* fool picky compilers */ \
                          }
@@ -48,19 +51,42 @@ typedef struct
  SV *          enc;
 } PerlIOEncode;
 
+SV *
+PerlIOEncode_getarg(PerlIO *f)
+{
+ dTHX;
+ PerlIOEncode *e = PerlIOSelf(f,PerlIOEncode);
+ SV *sv = &PL_sv_undef;
+ if (e->enc)
+  {
+   dSP;
+   ENTER;
+   SAVETMPS;
+   PUSHMARK(sp);
+   XPUSHs(e->enc);
+   PUTBACK;
+   if (perl_call_method("name",G_SCALAR) == 1)
+    {
+     SPAGAIN;
+     sv = newSVsv(POPs);
+     PUTBACK;
+    }
+  }
+ return sv;
+}
 
 IV
-PerlIOEncode_pushed(PerlIO *f, const char *mode,const char *arg,STRLEN len)
+PerlIOEncode_pushed(PerlIO *f, const char *mode, SV *arg)
 {
  PerlIOEncode *e = PerlIOSelf(f,PerlIOEncode);
  dTHX;
  dSP;
  IV code;
- code = PerlIOBuf_pushed(f,mode,Nullch,0);
+ code = PerlIOBuf_pushed(f,mode,Nullsv);
  ENTER;
  SAVETMPS;
  PUSHMARK(sp);
- XPUSHs(sv_2mortal(newSVpvn(arg,len)));
+ XPUSHs(arg);
  PUTBACK;
  if (perl_call_pv("Encode::find_encoding",G_SCALAR) != 1)
   {
@@ -75,7 +101,7 @@ PerlIOEncode_pushed(PerlIO *f, const char *mode,const char *arg,STRLEN len)
   {
    e->enc = Nullsv;
    errno  = EINVAL;
-   Perl_warner(aTHX_ WARN_IO, "Cannot find encoding \"%.*s\"", (int) len, arg);
+   Perl_warner(aTHX_ WARN_IO, "Cannot find encoding \"%"SVf"\"", arg);
    return -1;
   }
  SvREFCNT_inc(e->enc);
@@ -197,9 +223,11 @@ PerlIOEncode_flush(PerlIO *f)
 {
  PerlIOEncode *e = PerlIOSelf(f,PerlIOEncode);
  IV code = 0;
- dTHX;
- if (e->bufsv && (PerlIOBase(f)->flags & (PERLIO_F_RDBUF|PERLIO_F_WRBUF)))
+ if (e->bufsv && (PerlIOBase(f)->flags & (PERLIO_F_RDBUF|PERLIO_F_WRBUF))
+     &&(e->base.ptr > e->base.buf)
+    )
   {
+   dTHX;
    dSP;
    SV *str;
    char *s;
@@ -267,6 +295,7 @@ PerlIOEncode_close(PerlIO *f)
 Off_t
 PerlIOEncode_tell(PerlIO *f)
 {
+ dTHX;
  PerlIOBuf *b = PerlIOSelf(f,PerlIOBuf);
  /* Unfortunately the only way to get a postion is to back-translate,
     the UTF8-bytes we have buf..ptr and adjust accordingly.
@@ -276,7 +305,7 @@ PerlIOEncode_tell(PerlIO *f)
  if ((PerlIOBase(f)->flags & PERLIO_F_RDBUF) && b->ptr < b->end)
   {
    Size_t count = b->end - b->ptr;
-   PerlIO_push(f,&PerlIO_pending,"r",Nullch,0);
+   PerlIO_push(aTHX_ f,&PerlIO_pending,"r",Nullsv);
    /* Save what we have left to read */
    PerlIOSelf(f,PerlIOBuf)->bufsiz = count;
    PerlIO_unread(f,b->ptr,count);
@@ -300,12 +329,11 @@ PerlIO_funcs PerlIO_encode = {
  "encoding",
  sizeof(PerlIOEncode),
  PERLIO_K_BUFFERED,
- PerlIOBase_fileno,
- PerlIOBuf_fdopen,
- PerlIOBuf_open,
- PerlIOBuf_reopen,
  PerlIOEncode_pushed,
  PerlIOEncode_popped,
+ PerlIOBuf_open,
+ PerlIOEncode_getarg,
+ PerlIOBase_fileno,
  PerlIOBuf_read,
  PerlIOBuf_unread,
  PerlIOBuf_write,
@@ -317,7 +345,7 @@ PerlIO_funcs PerlIO_encode = {
  PerlIOBase_eof,
  PerlIOBase_error,
  PerlIOBase_clearerr,
- PerlIOBuf_setlinebuf,
+ PerlIOBase_setlinebuf,
  PerlIOEncode_get_base,
  PerlIOBuf_bufsiz,
  PerlIOBuf_get_ptr,
@@ -430,50 +458,23 @@ encode_method(pTHX_ encode_t *enc, encpage_t *dir, SV *src, int check)
      SvCUR_set(src,SvCUR(src)-slen);
     }
   }
+ else
+  {
+   SvCUR_set(dst,slen);
+   SvPOK_on(dst);
+  }
  return dst;
 }
 
-MODULE = Encode                PACKAGE = Encode        PREFIX = sv_
-
-void
-valid_utf8(sv)
-SV *   sv
-CODE:
- {
-  STRLEN len;
-  char *s = SvPV(sv,len);
-  if (!SvUTF8(sv) || is_utf8_string((U8*)s,len))
-   XSRETURN_YES;
-  else
-   XSRETURN_NO;
- }
-
-void
-sv_utf8_encode(sv)
-SV *   sv
-
-bool
-sv_utf8_decode(sv)
-SV *   sv
-
-STRLEN
-sv_utf8_upgrade(sv)
-SV *   sv
-
-bool
-sv_utf8_downgrade(sv,failok=0)
-SV *   sv
-bool   failok
-
 MODULE = Encode                PACKAGE = Encode::XS    PREFIX = Method_
 
 PROTOTYPES: ENABLE
 
 void
-Method_decode(obj,src,check = 0)
+Method_decode(obj,src,check = FALSE)
 SV *   obj
 SV *   src
-int    check
+bool   check
 CODE:
  {
   encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
@@ -483,10 +484,10 @@ CODE:
  }
 
 void
-Method_encode(obj,src,check = 0)
+Method_encode(obj,src,check = FALSE)
 SV *   obj
 SV *   src
-int    check
+bool   check
 CODE:
  {
   encode_t *enc = INT2PTR(encode_t *, SvIV(SvRV(obj)));
@@ -537,6 +538,7 @@ _utf8_to_bytes(sv, ...)
             STRLEN len;
             U8 *s = (U8*)SvPV(sv, len);
 
+           RETVAL = 0;
             if (SvTRUE(check)) {
               /* Must do things the slow way */
               U8 *dest;
@@ -640,8 +642,8 @@ _utf8_off(sv)
 
 BOOT:
 {
-#ifdef USE_PERLIO
- PerlIO_define_layer(&PerlIO_encode);
+#if defined(USE_PERLIO) && !defined(USE_SFIO)
+ PerlIO_define_layer(aTHX_ &PerlIO_encode);
 #endif
 #include "iso8859.def"
 #include "EBCDIC.def"