diff options
Diffstat (limited to 'src/utf8.c')
| -rw-r--r-- | src/utf8.c | 73 |
1 files changed, 58 insertions, 15 deletions
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$"; /* * $Log$ + * Revision 1.2 2008/02/22 23:39:27 james + * *** empty log message *** + * * Revision 1.1 2008/02/22 19:12:05 james * *** empty log message *** * @@ -18,21 +21,61 @@ static char rcsid[] = "$Id$"; #include "project.h" - /*FIXME: for the moment we bodge utf8 support*/ - if ((ch>=0xc0) && (ch<0xe0)) /*Start of two byte unicode sequence*/ - { - p->in_utf8=2; - } else if ((ch>=0xe0) && (ch<0xf0)) /*Start of three byte unicode sequence*/ - { - p->in_utf8=3; - } else if ((ch>=0xf0) && (ch<0xf7)) /*Start of four byte unicode sequence*/ - p->in_utf8=4; +void utf8_flush(Context *c) +{ +UTF8 *u=c->u; +int i; + +for (i=0;i<u->utf_ptr;++i) + vt102_parse(c,u->utf_buf[i]); + +u->utf_ptr=0; +u->in_utf8=0; +} + +int utf8_parse(Context *c,int ch) +{ +UTF8 *u=&c->u; + + if (!u->in_utf8) { + /*FIXME: for the moment we bodge utf8 support*/ + if (ch==0xb9) { /*CSI, not a valid utf8 start char*/ + vt102_parse(c,ch); + } else if ((ch & 0xe0) == 0xc0) { /*Start of two byte unicode sequence*/ + u->in_utf8=2; + u->utf_ptr=0; + u->utf_buf[u->utf_ptr++]=ch; + } else if ((ch & 0xf0) ==0xe0) { /*Start of three byte unicode sequence*/ + u->in_utf8=3; + u->utf_ptr=0; + u->utf_buf[u->utf_ptr++]=ch; + } else if ((ch & 0xf8) ==0xf0) { + u->in_utf8=4; + u->utf_ptr=0; + u->utf_buf[u->utf_ptr++]=ch; + } else { + vt102_parse(c,ch); + } + } else { + if ((ch & 0xc0) != 0x80) { + utf8_flush(c); + vt102_parse(c,ch); + } else { + u->utf_buf[u->utf_ptr++]=ch; + u->in_utf8--; + } } +} + + + +UTF8 *utf8_new(void) +{ +UTF8 *ret; + +ret=(UTF8 *) malloc(sizeof(UTF8)); + +ret->in_utf8=0; - if (p->utf_8) { - p->in_utf8--; - ch='?'; - } +} - if (!p->utf_8) { - /*Not first or last byte in sequence*/ |