| … | |
… | |
| 96 | text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2) |
96 | text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2) |
| 97 | { |
97 | { |
| 98 | compose_char *cc; |
98 | compose_char *cc; |
| 99 | |
99 | |
| 100 | // break compose chains, as stupid readline really likes to duplicate |
100 | // break compose chains, as stupid readline really likes to duplicate |
| 101 | // composing characters for some reason near the end of a line. |
101 | // composing characters for some reason, near the end of a line. |
| 102 | cc = (*this)[c1]; |
102 | cc = (*this)[c1]; |
| 103 | while (cc) |
103 | while (cc) |
| 104 | { |
104 | { |
| 105 | if (cc->c2 == c2) return c1; |
105 | if (cc->c2 == c2) return c1; |
| 106 | cc = (*this)[cc->c1]; |
106 | cc = (*this)[cc->c1]; |
| 107 | } |
107 | } |
| 108 | |
108 | |
| 109 | // check to see whether this combination already exists otherwise |
109 | // check to see whether this combination already exists otherwise |
| 110 | for (cc = v.end (); cc-- > v.begin (); ) |
110 | for (cc = v.end (); cc-- > v.begin (); ) |
| 111 | { |
|
|
| 112 | if (cc->c1 == c1 && cc->c2 == c2) |
111 | if (cc->c1 == c1 && cc->c2 == c2) |
| 113 | return COMPOSE_LO + (cc - v.begin ()); |
112 | return COMPOSE_LO + (cc - v.begin ()); |
| 114 | } |
|
|
| 115 | |
113 | |
| 116 | // allocate a new combination |
114 | // allocate a new combination |
| 117 | if (v.size () == COMPOSE_HI - COMPOSE_LO + 1) |
115 | if (v.size () == COMPOSE_HI - COMPOSE_LO + 1) |
| 118 | { |
116 | { |
| 119 | static int seen; |
117 | static int seen; |
| 120 | |
118 | |
| 121 | if (!seen++) |
119 | if (!seen++) |
| 122 | fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
120 | rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n"); |
| 123 | |
121 | |
| 124 | return REPLACEMENT_CHAR; |
122 | return REPLACEMENT_CHAR; |
| 125 | } |
123 | } |
| 126 | |
124 | |
| 127 | v.push_back (compose_char (c1, c2)); |
125 | v.push_back (compose_char (c1, c2)); |
