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#include "transcode_data.h"
<%
map = {}
map["{00-7f}"] = :nomap
map["{c2-df}{80-bf}"] = :nomap
map["e0{a0-bf}{80-bf}"] = :nomap
map["{e1-ec}{80-bf}{80-bf}"] = :nomap
map["ed{80-9f}{80-bf}"] = :nomap
map["{ee-ef}{80-bf}{80-bf}"] = :nomap
map["ed{a0-af}{80-bf}ed{b0-bf}{80-bf}"] = :func_so # surrogate pairs
transcode_generate_node(ActionMap.parse(map), "from_CESU_8")
map = {}
map["{00-7f}"] = :nomap
map["{c2-df}{80-bf}"] = :nomap
map["e0{a0-bf}{80-bf}"] = :nomap
map["{e1-ec}{80-bf}{80-bf}"] = :nomap
map["ed{80-9f}{80-bf}"] = :nomap
map["{ee-ef}{80-bf}{80-bf}"] = :nomap
map["f0{90-bf}{80-bf}{80-bf}"] = :func_so # planes 1-3
map["{f1-f3}{80-bf}{80-bf}{80-bf}"] = :func_so # planes 4-15
map["f4{80-8f}{80-bf}{80-bf}"] = :func_so # plane 16
transcode_generate_node(ActionMap.parse(map), "to_CESU_8")
%>
<%= transcode_generated_code %>
static ssize_t
fun_so_from_cesu_8(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned int scalar = ( ((s[1]&0x0F)<<16) | ((s[2]&0x3F)<<10)
| ((s[4]&0x0F)<< 6) | (s[5]&0x3F)
) + 0x10000;
o[0] = 0xF0 | (scalar>>18);
o[1] = 0x80 | ((scalar>>12)&0x3F);
o[2] = 0x80 | ((scalar>> 6)&0x3F);
o[3] = 0x80 | ( scalar &0x3F);
return 4;
}
static ssize_t
fun_so_to_cesu_8(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned int scalar = ((s[0]&0x07)<<18) | ((s[1]&0x3F)<<12)
| ((s[2]&0x3F)<< 6) | (s[3]&0x3F);
scalar -= 0x10000;
o[0] = 0xED;
o[1] = 0xA0 | (scalar>>16);
o[2] = 0x80 | ((scalar>>10)&0x3F);
o[3] = 0xED;
o[4] = 0xB0 | ((scalar>> 6)&0x0F);
o[5] = 0x80 | (scalar &0x3F);
return 6;
}
static const rb_transcoder
rb_from_CESU_8 = {
"CESU-8", "UTF-8", from_CESU_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
6, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_from_cesu_8
};
static const rb_transcoder
rb_to_CESU_8 = {
"UTF-8", "CESU-8", to_CESU_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
6, /* max_output */
asciicompat_encoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_cesu_8
};
TRANS_INIT(cesu_8)
{
rb_register_transcoder(&rb_from_CESU_8);
rb_register_transcoder(&rb_to_CESU_8);
}
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