added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 359 insertions, 0 deletions

diff --git a/trunk/enc/trans/utf_16_32.trans b/trunk/enc/trans/utf_16_32.trans
new file mode 100644
index 0000000000..3b11654305
--- /dev/null
+++ b/trunk/enc/trans/utf_16_32.trans
@@ -0,0 +1,359 @@
+#include "transcode_data.h"
+
+static int
+fun_so_from_utf_16be(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    if (!s[0] && s[1]<0x80) {
+        o[0] = s[1];
+        return 1;
+    }
+    else if (s[0]<0x08) {
+        o[0] = 0xC0 | (s[0]<<2) | (s[1]>>6);
+        o[1] = 0x80 | (s[1]&0x3F);
+        return 2;
+    }
+    else if ((s[0]&0xF8)!=0xD8) {
+        o[0] = 0xE0 | (s[0]>>4);
+        o[1] = 0x80 | ((s[0]&0x0F)<<2) | (s[1]>>6);
+        o[2] = 0x80 | (s[1]&0x3F);
+        return 3;
+    }
+    else {
+        unsigned int u = (((s[0]&0x03)<<2)|(s[1]>>6)) + 1;
+        o[0] = 0xF0 | (u>>2);
+        o[1] = 0x80 | ((u&0x03)<<4) | ((s[1]>>2)&0x0F);
+        o[2] = 0x80 | ((s[1]&0x03)<<4) | ((s[2]&0x03)<<2) | (s[3]>>6);
+        o[3] = 0x80 | (s[3]&0x3F);
+        return 4;
+    }
+}
+
+static int
+fun_so_to_utf_16be(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    if (!(s[0]&0x80)) {
+        o[0] = 0x00;
+        o[1] = s[0];
+        return 2;
+    }
+    else if ((s[0]&0xE0)==0xC0) {
+        o[0] = (s[0]>>2)&0x07;
+        o[1] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
+        return 2;
+    }
+    else if ((s[0]&0xF0)==0xE0) {
+        o[0] = (s[0]<<4) | ((s[1]>>2)^0x20);
+        o[1] = (s[1]<<6) | (s[2]^0x80);
+        return 2;
+    }
+    else {
+        int w = (((s[0]&0x07)<<2) | ((s[1]>>4)&0x03)) - 1;
+        o[0] = 0xD8 | (w>>2);
+        o[1] = (w<<6) | ((s[1]&0x0F)<<2) | ((s[2]>>4)-8);
+        o[2] = 0xDC | ((s[2]>>2)&0x03);
+        o[3] = (s[2]<<6) | (s[3]&~0x80);
+        return 4;
+    }
+}
+
+static int
+fun_so_from_utf_16le(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    if (!s[1] && s[0]<0x80) {
+        o[0] = s[0];
+        return 1;
+    }
+    else if (s[1]<0x08) {
+        o[0] = 0xC0 | (s[1]<<2) | (s[0]>>6);
+        o[1] = 0x80 | (s[0]&0x3F);
+        return 2;
+    }
+    else if ((s[1]&0xF8)!=0xD8) {
+        o[0] = 0xE0 | (s[1]>>4);
+        o[1] = 0x80 | ((s[1]&0x0F)<<2) | (s[0]>>6);
+        o[2] = 0x80 | (s[0]&0x3F);
+        return 3;
+    }
+    else {
+        unsigned int u = (((s[1]&0x03)<<2)|(s[0]>>6)) + 1;
+        o[0] = 0xF0 | u>>2;
+        o[1] = 0x80 | ((u&0x03)<<4) | ((s[0]>>2)&0x0F);
+        o[2] = 0x80 | ((s[0]&0x03)<<4) | ((s[3]&0x03)<<2) | (s[2]>>6);
+        o[3] = 0x80 | (s[2]&0x3F);
+        return 4;
+    }
+}
+
+static int
+fun_so_to_utf_16le(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    if (!(s[0]&0x80)) {
+        o[1] = 0x00;
+        o[0] = s[0];
+        return 2;
+    }
+    else if ((s[0]&0xE0)==0xC0) {
+        o[1] = (s[0]>>2)&0x07;
+        o[0] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
+        return 2;
+    }
+    else if ((s[0]&0xF0)==0xE0) {
+        o[1] = (s[0]<<4) | ((s[1]>>2)^0x20);
+        o[0] = (s[1]<<6) | (s[2]^0x80);
+        return 2;
+    }
+    else {
+        int w = (((s[0]&0x07)<<2) | ((s[1]>>4)&0x03)) - 1;
+        o[1] = 0xD8 | (w>>2);
+        o[0] = (w<<6) | ((s[1]&0x0F)<<2) | ((s[2]>>4)-8);
+        o[3] = 0xDC | ((s[2]>>2)&0x03);
+        o[2] = (s[2]<<6) | (s[3]&~0x80);
+        return 4;
+    }
+}
+
+static int
+fun_so_from_utf_32be(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    if (!s[1]) {
+        if (s[2]==0 && s[3]<0x80) {
+            o[0] = s[3];
+            return 1;
+        }
+        else if (s[2]<0x08) {
+            o[0] = 0xC0 | (s[2]<<2) | (s[3]>>6);
+            o[1] = 0x80 | (s[3]&0x3F);
+            return 2;
+        }
+        else {
+            o[0] = 0xE0 | (s[2]>>4);
+            o[1] = 0x80 | ((s[2]&0x0F)<<2) | (s[3]>>6);
+            o[2] = 0x80 | (s[3]&0x3F);
+            return 3;
+        }
+    }
+    else {
+        o[0] = 0xF0 | (s[1]>>2);
+        o[1] = 0x80 | ((s[1]&0x03)<<4) | (s[2]>>4);
+        o[2] = 0x80 | ((s[2]&0x0F)<<2) | (s[3]>>6);
+        o[3] = 0x80 | (s[3]&0x3F);
+        return 4;
+    }
+}
+
+static int
+fun_so_to_utf_32be(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    o[0] = 0;
+    if (!(s[0]&0x80)) {
+        o[1] = o[2] = 0x00;
+        o[3] = s[0];
+    }
+    else if ((s[0]&0xE0)==0xC0) {
+        o[1] = 0x00;
+        o[2] = (s[0]>>2)&0x07;
+        o[3] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
+    }
+    else if ((s[0]&0xF0)==0xE0) {
+        o[1] = 0x00;
+        o[2] = (s[0]<<4) | ((s[1]>>2)^0x20);
+        o[3] = (s[1]<<6) | (s[2]^0x80);
+    }
+    else {
+        o[1] = ((s[0]&0x07)<<2) | ((s[1]>>4)&0x03);
+        o[2] = ((s[1]&0x0F)<<4) | ((s[2]>>2)&0x0F);
+        o[3] = ((s[2]&0x03)<<6) | (s[3]&0x3F);
+    }
+    return 4;
+}
+
+static int
+fun_so_from_utf_32le(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    if (!s[2]) {
+        if (s[1]==0 && s[0]<0x80) {
+            o[0] = s[0];
+            return 1;
+        }
+        else if (s[1]<0x08) {
+            o[0] = 0xC0 | (s[1]<<2) | (s[0]>>6);
+            o[1] = 0x80 | (s[0]&0x3F);
+            return 2;
+        }
+        else {
+            o[0] = 0xE0 | (s[1]>>4);
+            o[1] = 0x80 | ((s[1]&0x0F)<<2) | (s[0]>>6);
+            o[2] = 0x80 | (s[0]&0x3F);
+            return 3;
+        }
+    }
+    else {
+        o[0] = 0xF0 | (s[2]>>2);
+        o[1] = 0x80 | ((s[2]&0x03)<<4) | (s[1]>>4);
+        o[2] = 0x80 | ((s[1]&0x0F)<<2) | (s[0]>>6);
+        o[3] = 0x80 | (s[0]&0x3F);
+        return 4;
+    }
+}
+
+static int
+fun_so_to_utf_32le(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o)
+{
+    o[3] = 0;
+    if (!(s[0]&0x80)) {
+        o[2] = o[1] = 0x00;
+        o[0] = s[0];
+    }
+    else if ((s[0]&0xE0)==0xC0) {
+        o[2] = 0x00;
+        o[1] = (s[0]>>2)&0x07;
+        o[0] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
+    }
+    else if ((s[0]&0xF0)==0xE0) {
+        o[2] = 0x00;
+        o[1] = (s[0]<<4) | ((s[1]>>2)^0x20);
+        o[0] = (s[1]<<6) | (s[2]^0x80);
+    }
+    else {
+        o[2] = ((s[0]&0x07)<<2) | ((s[1]>>4)&0x03);
+        o[1] = ((s[1]&0x0F)<<4) | ((s[2]>>2)&0x0F);
+        o[0] = ((s[2]&0x03)<<6) | (s[3]&0x3F);
+    }
+    return 4;
+}
+
+<%=
+  map = {}
+  map["{00-d7,e0-ff}{00-ff}"] = :func_so
+  map["{d8-db}{00-ff}{dc-df}{00-ff}"] = :func_so
+  transcode_generate_node(ActionMap.parse(map), "from_UTF_16BE")
+%>
+
+static const rb_transcoder
+rb_from_UTF_16BE = {
+    "UTF-16BE", "UTF-8", &from_UTF_16BE,
+    2, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_from_utf_16be
+};
+
+<%=
+  map = {}
+  map["{00-7f}"] = :func_so
+  map["{c2-df}{80-bf}"] = :func_so
+  map["e0{a0-bf}{80-bf}"] = :func_so
+  map["{e1-ec}{80-bf}{80-bf}"] = :func_so
+  map["ed{80-9f}{80-bf}"] = :func_so
+  map["{ee-ef}{80-bf}{80-bf}"] = :func_so
+  map["f0{90-bf}{80-bf}{80-bf}"] = :func_so
+  map["{f1-f3}{80-bf}{80-bf}{80-bf}"] = :func_so
+  map["f4{80-8f}{80-bf}{80-bf}"] = :func_so
+  am = ActionMap.parse(map)
+  transcode_generate_node(am, "to_UTF_16BE")
+%>
+
+static const rb_transcoder
+rb_to_UTF_16BE = {
+    "UTF-8", "UTF-16BE", &to_UTF_16BE,
+    1, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_to_utf_16be
+};
+
+<%=
+  map = {}
+  map["{00-ff}{00-d7,e0-ff}"] = :func_so
+  map["{00-ff}{d8-db}{00-ff}{dc-df}"] = :func_so
+  transcode_generate_node(ActionMap.parse(map), "from_UTF_16LE")
+%>
+
+static const rb_transcoder
+rb_from_UTF_16LE = {
+    "UTF-16LE", "UTF-8", &from_UTF_16LE,
+    2, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_from_utf_16le
+};
+
+static const rb_transcoder
+rb_to_UTF_16LE = {
+    "UTF-8", "UTF-16LE", &to_UTF_16BE,
+    1, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_to_utf_16le
+};
+
+<%=
+  map = {}
+  map["0000{00-d7,e0-ff}{00-ff}"] = :func_so
+  map["00{01-10}{00-ff}{00-ff}"] = :func_so
+  transcode_generate_node(ActionMap.parse(map), "from_UTF_32BE")
+%>
+
+static const rb_transcoder
+rb_from_UTF_32BE = {
+    "UTF-32BE", "UTF-8", &from_UTF_32BE,
+    4, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_from_utf_32be
+};
+
+static const rb_transcoder
+rb_to_UTF_32BE = {
+    "UTF-8", "UTF-32BE", &to_UTF_16BE,
+    1, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_to_utf_32be
+};
+
+<%=
+  map = {}
+  map["{00-ff}{00-d7,e0-ff}0000"] = :func_so
+  map["{00-ff}{00-ff}{01-10}00"] = :func_so
+  transcode_generate_node(ActionMap.parse(map), "from_UTF_32LE")
+%>
+
+static const rb_transcoder
+rb_from_UTF_32LE = {
+    "UTF-32LE", "UTF-8", &from_UTF_32LE,
+    4, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_from_utf_32le
+};
+
+static const rb_transcoder
+rb_to_UTF_32LE = {
+    "UTF-8", "UTF-32LE", &to_UTF_16BE,
+    1, /* input_unit_length */
+    4, /* max_input */
+    4, /* max_output */
+    stateless_converter, /* stateful_type */
+    NULL, NULL, NULL, &fun_so_to_utf_32le
+};
+
+void
+Init_utf_16_32(void)
+{
+    rb_register_transcoder(&rb_from_UTF_16BE);
+    rb_register_transcoder(&rb_to_UTF_16BE);
+    rb_register_transcoder(&rb_from_UTF_16LE);
+    rb_register_transcoder(&rb_to_UTF_16LE);
+    rb_register_transcoder(&rb_from_UTF_32BE);
+    rb_register_transcoder(&rb_to_UTF_32BE);
+    rb_register_transcoder(&rb_from_UTF_32LE);
+    rb_register_transcoder(&rb_to_UTF_32LE);
+}