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path: root/Build/source/texk/dvipdfmx/dvipdfmx-20110311-PATCHES/patch-04-uptex
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diff -ur dvipdfmx-20110311.orig/src/dvi.c dvipdfmx-20110311/src/dvi.c
--- dvipdfmx-20110311.orig/src/dvi.c	2011-03-09 08:43:18.000000000 +0100
+++ dvipdfmx-20110311/src/dvi.c	2011-09-07 10:55:45.000000000 +0200
@@ -58,6 +58,12 @@
 #define TEX_FONTS_ALLOC_SIZE 16u
 #define VF_NESTING_MAX       16u
 
+#if defined(upTeX)
+/* UTF-32 over U+FFFF -> UTF-16 surrogate pair */
+#define UTF32toUTF16HS(x)  (0xd800 + (((x-0x10000) >> 10) & 0x3ff))
+#define UTF32toUTF16LS(x)  (0xdc00 + (  x                 & 0x3ff))
+#endif
+
 /* Interal Variables */
 static FILE          *dvi_file  = NULL;
 
@@ -734,7 +740,11 @@
 {
   struct loaded_font *font;
   spt_t               width, height, depth;
+#if defined(upTeX)
+  unsigned char       wbuf[4];
+#else
   unsigned char       wbuf[2];
+#endif
 
   if (current_font < 0) {
     ERROR("No font selected!");
@@ -753,7 +763,18 @@
 
   switch (font->type) {
   case  PHYSICAL:
+#if defined(upTeX)
+    if (ch > 65535) { /* _FIXME_ */
+      wbuf[0] = (UTF32toUTF16HS(ch) >> 8) & 0xff;
+      wbuf[1] =  UTF32toUTF16HS(ch)       & 0xff;
+      wbuf[2] = (UTF32toUTF16LS(ch) >> 8) & 0xff;
+      wbuf[3] =  UTF32toUTF16LS(ch)       & 0xff;
+      pdf_dev_set_string(dvi_state.h, -dvi_state.v, wbuf, 4,
+			 width, font->font_id, 2);
+    } else if (ch > 255) { /* _FIXME_ */
+#else
     if (ch > 255) { /* _FIXME_ */
+#endif
       wbuf[0] = (ch >> 8) & 0xff;
       wbuf[1] =  ch & 0xff;
       pdf_dev_set_string(dvi_state.h, -dvi_state.v, wbuf, 2,
@@ -805,7 +826,11 @@
 {
   struct loaded_font *font;
   spt_t               width, height, depth;
+#if defined(upTeX)
+  unsigned char       wbuf[4];
+#else
   unsigned char       wbuf[2];
+#endif
 
   if (current_font < 0) {
     ERROR("No font selected!");
@@ -821,7 +846,18 @@
     /* Treat a single character as a one byte string and use the
      * string routine.
      */
+#if defined(upTeX)
+    if (ch > 65535) { /* _FIXME_ */
+      wbuf[0] = (UTF32toUTF16HS(ch) >> 8) & 0xff;
+      wbuf[1] =  UTF32toUTF16HS(ch)       & 0xff;
+      wbuf[2] = (UTF32toUTF16LS(ch) >> 8) & 0xff;
+      wbuf[3] =  UTF32toUTF16LS(ch)       & 0xff;
+      pdf_dev_set_string(dvi_state.h, -dvi_state.v, wbuf, 4,
+			 width, font->font_id, 2);
+    } else if (ch > 255) { /* _FIXME_ */
+#else
     if (ch > 255) { /* _FIXME_ */
+#endif
       wbuf[0] = (ch >> 8) & 0xff;
       wbuf[1] =  ch & 0xff;
       pdf_dev_set_string(dvi_state.h, -dvi_state.v, wbuf, 2,
@@ -898,6 +934,14 @@
   dvi_set(get_unsigned_pair(dvi_file));
 }
 
+#if defined(upTeX)
+static void
+do_set3 (void)
+{
+  dvi_set(get_unsigned_triple(dvi_file));
+}
+#endif
+
 static void
 do_setrule (void)
 {
@@ -935,6 +979,14 @@
   dvi_put(get_unsigned_pair(dvi_file));
 }
 
+#if defined(upTeX)
+static void
+do_put3 (void)
+{
+  dvi_put(get_unsigned_triple(dvi_file));
+}
+#endif
+
 void
 dvi_push (void) 
 {
@@ -1414,8 +1466,14 @@
     switch (opcode) {
     case SET1: do_set1(); break;
     case SET2: do_set2(); break;
+#if defined(upTeX)
+    case SET3: do_set3(); break;
+    case SET4:
+      ERROR("Multibyte (>24 bits) character not supported!");
+#else
     case SET3: case SET4:
       ERROR("Multibyte (>16 bits) character not supported!");
+#endif
       break;
 
     case SET_RULE:
@@ -1424,8 +1482,14 @@
 
     case PUT1: do_put1(); break;
     case PUT2: do_put2(); break;
+#if defined(upTeX)
+    case PUT3: do_put3(); break;
+    case PUT4:
+      ERROR ("Multibyte character (>24 bits) not supported!");
+#else
     case PUT3: case PUT4:
       ERROR ("Multibyte character (>16 bits) not supported!");
+#endif
       break;
 
     case PUT_RULE:
diff -ur dvipdfmx-20110311.orig/src/spc_pdfm.c dvipdfmx-20110311/src/spc_pdfm.c
--- dvipdfmx-20110311.orig/src/spc_pdfm.c	2011-03-08 03:08:35.000000000 +0100
+++ dvipdfmx-20110311/src/spc_pdfm.c	2011-09-07 10:55:45.000000000 +0200
@@ -419,6 +419,98 @@
   return  0;
 }
 
+#if defined(upTeX)
+/* tables/values used in UTF-8 interpretation -
+   code is based on ConvertUTF.[ch] sample code
+   published by the Unicode consortium */
+static unsigned long
+offsetsFromUTF8[6] =    {
+        0x00000000UL,
+        0x00003080UL,
+        0x000E2080UL,
+        0x03C82080UL,
+        0xFA082080UL,
+        0x82082080UL
+};
+
+static unsigned char
+bytesFromUTF8[256] = {
+        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+        0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+        1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+        2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
+};
+
+static int
+maybe_reencode_utf8(pdf_obj *instring)
+{
+  unsigned char* inbuf;
+  int            inlen;
+  int            non_ascii = 0;
+  unsigned char* cp;
+  unsigned char* op;
+  unsigned char  wbuf[WBUF_SIZE];
+
+  if (!instring)
+    return 0;
+
+  inlen = pdf_string_length(instring);
+  inbuf = pdf_string_value(instring);
+
+  /* check if the input string is strictly ASCII */
+  for (cp = inbuf; cp < inbuf + inlen; ++cp) {
+    if (*cp > 127) {
+      non_ascii = 1;
+    }
+  }
+  if (non_ascii == 0)
+    return 0; /* no need to reencode ASCII strings */
+
+  cp = inbuf;
+  op = wbuf;
+  *op++ = 0xfe;
+  *op++ = 0xff;
+  while (cp < inbuf + inlen) {
+    unsigned long usv = *cp++;
+    int extraBytes = bytesFromUTF8[usv];
+    if (cp + extraBytes > inbuf + inlen)
+      return -1; /* ill-formed, so give up reencoding */
+    switch (extraBytes) {   /* note: code falls through cases! */
+      case 5: usv <<= 6; usv += *cp++;
+      case 4: usv <<= 6; usv += *cp++;
+      case 3: usv <<= 6; usv += *cp++;
+      case 2: usv <<= 6; usv += *cp++;
+      case 1: usv <<= 6; usv += *cp++;
+      case 0: ;
+    };
+    usv -= offsetsFromUTF8[extraBytes];
+    if (usv > 0x10FFFF)
+      return -1; /* out of valid Unicode range, give up */
+    if (usv > 0xFFFF) {
+      /* supplementary-plane character: generate high surrogate */
+      unsigned long hi = 0xdc00 + (usv - 0x10000) % 0x0400;
+      if (op > wbuf + WBUF_SIZE - 2)
+        return -1; /* out of space */
+      *op++ = hi / 256;
+      *op++ = hi % 256;
+      usv = 0xd800 + (usv - 0x10000) / 0x0400;
+      /* remaining value in usv is the low surrogate */
+    }
+    if (op > wbuf + WBUF_SIZE - 2)
+      return -1; /* out of space */
+    *op++ = usv / 256;
+    *op++ = usv % 256;
+  }
+
+  pdf_set_string(instring, wbuf, op - wbuf);
+  return 0;
+}
+#endif
+
 static int
 needreencode (pdf_obj *kp, pdf_obj *vp, struct tounicode *cd)
 {
@@ -453,19 +545,38 @@
 modstrings (pdf_obj *kp, pdf_obj *vp, void *dp)
 {
   int               r = 0; /* continue */
+#if !defined(upTeX)
   CMap             *cmap;
   struct tounicode *cd = dp;
+#endif
 
   ASSERT( pdf_obj_typeof(kp) == PDF_NAME );
 
+#if !defined(upTeX)
   if (!cd || cd->cmap_id < 0 || !cd->taintkeys)
     return  -1;
+#endif
 
   switch (pdf_obj_typeof(vp)) {
   case  PDF_STRING:
+#if !defined(upTeX)
     cmap = CMap_cache_get(cd->cmap_id);
     if (needreencode(kp, vp, cd)) {
       r = reencodestring(cmap, vp);
+#else
+    {
+      CMap             *cmap;
+      struct tounicode *cd = dp;
+      if (cd && cd->cmap_id >= 0 && cd->taintkeys) {
+        cmap = CMap_cache_get(cd->cmap_id);
+        if (needreencode(kp, vp, cd)) {
+          r = reencodestring(cmap, vp);
+        }
+      }
+      else {
+        r = maybe_reencode_utf8(vp);
+      }
+#endif
       if (r < 0) /* error occured... */
         WARN("Failed to convert input string to UTF16...");
     }
@@ -486,8 +597,10 @@
 {
   pdf_obj  *dict;
 
+#if !defined(upTeX)
   if (cd->cmap_id < 0)
     return  parse_pdf_dict(pp, endptr, NULL);
+#endif
 
   /* :( */
   if (cd->unescape_backslash) 
diff -ur dvipdfmx-20110311.orig/src/tfm.c dvipdfmx-20110311/src/tfm.c
--- dvipdfmx-20110311.orig/src/tfm.c	2011-03-05 05:44:49.000000000 +0100
+++ dvipdfmx-20110311/src/tfm.c	2011-09-07 10:55:45.000000000 +0200
@@ -55,6 +55,14 @@
 #define IS_JFM(i) ((i) == JFM_ID || (i) == JFMV_ID)
 #endif /* !WITHOUT_ASCII_PTEX */
 
+#if defined(upTeX)
+#if !defined(WITHOUT_ASCII_PTEX)
+#define INDEX(i)  ((i>0xFFFFul ? 0x10000ul : i))
+#else
+#define INDEX(i)  ((i))
+#endif
+#endif
+
 /*
  * TFM Record structure:
  * Multiple TFM's may be read in at once.
@@ -162,7 +170,11 @@
 struct coverage
 {
   long           first_char;
+#if defined(upTeX)
+  long           num_chars;
+#else
   unsigned short num_chars;
+#endif
 };
 
 /*
@@ -208,7 +220,11 @@
 {
   if (charcode >= map->coverage.first_char &&
       charcode <= map->coverage.first_char + map->coverage.num_chars)
+#if defined(upTeX)
+    return map->indices[INDEX(charcode - map->coverage.first_char)];
+#else
     return map->indices[charcode - map->coverage.first_char];
+#endif
   else
     return -1;
 
@@ -224,7 +240,11 @@
 	 charcode >= map->coverages[idx].first_char; idx--) {
     if (charcode <=
 	map->coverages[idx].first_char + map->coverages[idx].num_chars)
+#if defined(upTeX)
+      return map->indices[INDEX(idx)];
+#else
       return map->indices[idx];
+#endif
   }
 
   return -1;
@@ -479,12 +499,20 @@
     fm->charmap.type = MAPTYPE_CHAR;
     fm->charmap.data = map = NEW(1, struct char_map);
     map->coverage.first_char = 0;
+#if defined(upTeX)
+    map->coverage.num_chars  = 0x10FFFFu;
+    map->indices    = NEW(0x10001ul, unsigned short);
+#else
     map->coverage.num_chars  = 0xFFFFu;
     map->indices    = NEW(0x10000L, unsigned short);
+#endif
 
     for (code = 0; code <= 0xFFFFu; code++) {
       map->indices[code] = tfm->chartypes[code];
     }
+#if defined(upTeX)
+    map->indices[0x10000ul] = tfm->chartypes[0];
+#endif
   } else {
     struct range_map *map;
 
@@ -493,7 +521,11 @@
     map->num_coverages = 1;
     map->coverages     = NEW(map->num_coverages, struct coverage);
     map->coverages[0].first_char = 0;
+#if defined(upTeX)
+    map->coverages[0].num_chars  = 0x10FFFFu;
+#else
     map->coverages[0].num_chars  = 0xFFFFu;
+#endif
     map->indices = NEW(1, unsigned short);
     map->indices[0] = 0; /* Only default type used. */
   }
@@ -784,7 +816,11 @@
     jfm_do_char_type_array(tfm_file, &tfm);
     jfm_make_charmap(fm, &tfm);
     fm->firstchar = 0;
+#if defined(upTeX)
+    fm->lastchar  = 0x10FFFFl;
+#else
     fm->lastchar  = 0xFFFFl;
+#endif
     fm->fontdir   = (tfm.id == JFMV_ID) ? FONT_DIR_VERT : FONT_DIR_HORIZ;
     fm->source    = SOURCE_TYPE_JFM;
   }
diff -ur dvipdfmx-20110311.orig/src/vf.c dvipdfmx-20110311/src/vf.c
--- dvipdfmx-20110311.orig/src/vf.c	2011-03-05 05:44:49.000000000 +0100
+++ dvipdfmx-20110311/src/vf.c	2011-09-07 10:55:45.000000000 +0200
@@ -238,11 +238,19 @@
 	ch = get_unsigned_quad (vf_file);
 	/* Skip over TFM width since we already know it */
 	get_unsigned_quad (vf_file);
+#if defined(upTeX)
+	if (ch < 0x1000000L) 
+#else
 	if (ch < 65536L) 
+#endif
 	  read_a_char_def (vf_file, thisfont, pkt_len, ch);
 	else {
 	  fprintf (stderr, "char=%ld\n", ch);
+#if defined(upTeX)
+	  ERROR ("Long character (>24 bits) in VF file.\nI can't handle long characters!\n");
+#else
 	  ERROR ("Long character (>16 bits) in VF file.\nI can't handle long characters!\n");
+#endif
 	}
 	break;
       }
@@ -455,6 +463,14 @@
   return;
 }
 
+#if defined(upTeX)
+static void vf_set3(unsigned char **start, unsigned char *end) 
+{
+  vf_set (unsigned_triple(start, end));
+  return;
+}
+#endif
+
 static void vf_putrule(unsigned char **start, unsigned char *end, spt_t ptsize)
 {
   SIGNED_QUAD width, height;
@@ -491,6 +507,14 @@
   return;
 }
 
+#if defined(upTeX)
+static void vf_put3(unsigned char **start, unsigned char *end)
+{
+  dvi_put (unsigned_triple(start, end));
+  return;
+}
+#endif
+
 static void vf_push(void)
 {
   dvi_push();
@@ -850,9 +874,17 @@
 	case SET2:
 	  vf_set2(&start, end);
 	  break;
+#if defined(upTeX)
+	case SET3:
+	  vf_set3(&start, end);
+	  break;
+	case SET4:
+	  ERROR ("Multibyte (>24 bits) character in VF packet.\nI can't handle this!");
+#else
 	case SET3:
 	case SET4:
 	  ERROR ("Multibyte (>16 bits) character in VF packet.\nI can't handle this!");
+#endif
 	  break;
 	case SET_RULE:
 	  vf_setrule(&start, end, ptsize);
@@ -863,9 +895,17 @@
 	case PUT2:
 	  vf_put2(&start, end);
 	  break;
+#if defined(upTeX)
+	case PUT3:
+	  vf_put3(&start, end);
+	  break;
+	case PUT4:
+	  ERROR ("Multibyte (>24 bits) character in VF packet.\nI can't handle this!");
+#else
 	case PUT3:
 	case PUT4:
 	  ERROR ("Multibyte (>16 bits) character in VF packet.\nI can't handle this!");
+#endif
 	  break;
 	case PUT_RULE:
 	  vf_putrule(&start, end, ptsize);