Commit | Line | Data |
2c674647 |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
4 | |
67e989fb |
5 | #define UNIMPLEMENTED(x,y) y x (SV *sv, char *encoding) { \ |
2f5768b8 |
6 | Perl_croak(aTHX_ "panic_unimplemented"); \ |
4a83738a |
7 | return (y)0; /* fool picky compilers */ \ |
87714904 |
8 | } |
67e989fb |
9 | UNIMPLEMENTED(_encoded_utf8_to_bytes, I32) |
10 | UNIMPLEMENTED(_encoded_bytes_to_utf8, I32) |
11 | |
183a2d84 |
12 | void call_failure (SV *routine, U8* done, U8* dest, U8* orig) {} |
67e989fb |
13 | |
14 | MODULE = Encode PACKAGE = Encode |
2c674647 |
15 | |
16 | PROTOTYPES: ENABLE |
17 | |
67e989fb |
18 | I32 |
2c674647 |
19 | _bytes_to_utf8(sv, ...) |
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20 | SV * sv |
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21 | CODE: |
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22 | { |
23 | SV * encoding = items == 2 ? ST(1) : Nullsv; |
24 | |
25 | if (encoding) |
26 | RETVAL = _encoded_bytes_to_utf8(sv, SvPV_nolen(encoding)); |
27 | else { |
28 | STRLEN len; |
183a2d84 |
29 | U8* s = (U8*)SvPV(sv, len); |
67e989fb |
30 | U8* converted; |
31 | |
32 | converted = bytes_to_utf8(s, &len); /* This allocs */ |
183a2d84 |
33 | sv_setpvn(sv, (char *)converted, len); |
67e989fb |
34 | SvUTF8_on(sv); /* XXX Should we? */ |
35 | Safefree(converted); /* ... so free it */ |
36 | RETVAL = len; |
37 | } |
38 | } |
2c674647 |
39 | OUTPUT: |
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40 | RETVAL |
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41 | |
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42 | I32 |
2c674647 |
43 | _utf8_to_bytes(sv, ...) |
67e989fb |
44 | SV * sv |
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45 | CODE: |
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46 | { |
47 | SV * to = items > 1 ? ST(1) : Nullsv; |
48 | SV * check = items > 2 ? ST(2) : Nullsv; |
87714904 |
49 | |
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50 | if (to) |
51 | RETVAL = _encoded_utf8_to_bytes(sv, SvPV_nolen(to)); |
52 | else { |
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53 | STRLEN len; |
b113ac0e |
54 | U8 *s = (U8*)SvPV(sv, len); |
67e989fb |
55 | |
56 | if (SvTRUE(check)) { |
57 | /* Must do things the slow way */ |
58 | U8 *dest; |
87714904 |
59 | U8 *src = (U8*)savepv((char *)s); /* We need a copy to pass to check() */ |
67e989fb |
60 | U8 *send = s + len; |
61 | |
62 | New(83, dest, len, U8); /* I think */ |
63 | |
64 | while (s < send) { |
65 | if (*s < 0x80) |
66 | *dest++ = *s++; |
67 | else { |
b113ac0e |
68 | STRLEN ulen; |
69 | UV uv = *s++; |
87714904 |
70 | |
67e989fb |
71 | /* Have to do it all ourselves because of error routine, |
72 | aargh. */ |
73 | if (!(uv & 0x40)) |
74 | goto failure; |
75 | if (!(uv & 0x20)) { ulen = 2; uv &= 0x1f; } |
76 | else if (!(uv & 0x10)) { ulen = 3; uv &= 0x0f; } |
77 | else if (!(uv & 0x08)) { ulen = 4; uv &= 0x07; } |
78 | else if (!(uv & 0x04)) { ulen = 5; uv &= 0x03; } |
79 | else if (!(uv & 0x02)) { ulen = 6; uv &= 0x01; } |
80 | else if (!(uv & 0x01)) { ulen = 7; uv = 0; } |
81 | else { ulen = 13; uv = 0; } |
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82 | |
67e989fb |
83 | /* Note change to utf8.c variable naming, for variety */ |
84 | while (ulen--) { |
85 | if ((*s & 0xc0) != 0x80) |
86 | goto failure; |
87714904 |
87 | |
67e989fb |
88 | else |
89 | uv = (uv << 6) | (*s++ & 0x3f); |
87714904 |
90 | } |
67e989fb |
91 | if (uv > 256) { |
92 | failure: |
93 | call_failure(check, s, dest, src); |
94 | /* Now what happens? */ |
95 | } |
96 | *dest++ = (U8)uv; |
97 | } |
98 | } |
99 | } else |
100 | RETVAL = (utf8_to_bytes(s, &len) ? len : 0); |
101 | } |
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102 | } |
103 | OUTPUT: |
104 | RETVAL |
105 | |
106 | SV * |
107 | _chars_to_utf8(sv, from, ...) |
108 | SV * sv |
109 | SV * from |
110 | CODE: |
111 | { |
112 | SV * check = items == 3 ? ST(2) : Nullsv; |
113 | RETVAL = &PL_sv_undef; |
114 | } |
115 | OUTPUT: |
116 | RETVAL |
117 | |
118 | SV * |
119 | _utf8_to_chars(sv, to, ...) |
120 | SV * sv |
121 | SV * to |
122 | CODE: |
123 | { |
124 | SV * check = items == 3 ? ST(2) : Nullsv; |
125 | RETVAL = &PL_sv_undef; |
126 | } |
127 | OUTPUT: |
128 | RETVAL |
129 | |
130 | SV * |
131 | _utf8_to_chars_check(sv, ...) |
132 | SV * sv |
133 | CODE: |
134 | { |
135 | SV * check = items == 2 ? ST(1) : Nullsv; |
136 | RETVAL = &PL_sv_undef; |
137 | } |
138 | OUTPUT: |
139 | RETVAL |
140 | |
141 | SV * |
142 | _bytes_to_chars(sv, from, ...) |
143 | SV * sv |
144 | SV * from |
145 | CODE: |
146 | { |
147 | SV * check = items == 3 ? ST(2) : Nullsv; |
148 | RETVAL = &PL_sv_undef; |
149 | } |
150 | OUTPUT: |
151 | RETVAL |
152 | |
153 | SV * |
154 | _chars_to_bytes(sv, to, ...) |
155 | SV * sv |
156 | SV * to |
157 | CODE: |
158 | { |
159 | SV * check = items == 3 ? ST(2) : Nullsv; |
160 | RETVAL = &PL_sv_undef; |
161 | } |
162 | OUTPUT: |
163 | RETVAL |
164 | |
165 | SV * |
166 | _from_to(sv, from, to, ...) |
167 | SV * sv |
168 | SV * from |
169 | SV * to |
170 | CODE: |
171 | { |
172 | SV * check = items == 4 ? ST(3) : Nullsv; |
173 | RETVAL = &PL_sv_undef; |
174 | } |
175 | OUTPUT: |
176 | RETVAL |
177 | |
178 | bool |
179 | _is_utf8(sv, ...) |
180 | SV * sv |
181 | CODE: |
182 | { |
183 | SV * check = items == 2 ? ST(1) : Nullsv; |
184 | if (SvPOK(sv)) { |
185 | RETVAL = SvUTF8(sv); |
186 | if (RETVAL && |
187 | SvTRUE(check) && |
188 | !is_utf8_string((U8*)SvPVX(sv), SvCUR(sv))) |
189 | RETVAL = FALSE; |
190 | } else { |
191 | RETVAL = FALSE; |
192 | } |
193 | } |
194 | OUTPUT: |
195 | RETVAL |
196 | |
197 | SV * |
198 | _on_utf8(sv) |
199 | SV * sv |
200 | CODE: |
201 | { |
202 | if (SvPOK(sv)) { |
87714904 |
203 | SV *rsv = newSViv(SvUTF8(sv)); |
2c674647 |
204 | RETVAL = rsv; |
205 | SvUTF8_on(sv); |
206 | } else { |
207 | RETVAL = &PL_sv_undef; |
208 | } |
209 | } |
210 | OUTPUT: |
211 | RETVAL |
212 | |
213 | SV * |
214 | _off_utf8(sv) |
215 | SV * sv |
216 | CODE: |
217 | { |
218 | if (SvPOK(sv)) { |
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219 | SV *rsv = newSViv(SvUTF8(sv)); |
2c674647 |
220 | RETVAL = rsv; |
221 | SvUTF8_off(sv); |
222 | } else { |
223 | RETVAL = &PL_sv_undef; |
224 | } |
225 | } |
226 | OUTPUT: |
227 | RETVAL |
228 | |
229 | SV * |
230 | _utf_to_utf(sv, from, to, ...) |
231 | SV * sv |
232 | SV * from |
233 | SV * to |
234 | CODE: |
235 | { |
236 | SV * check = items == 4 ? ST(3) : Nullsv; |
237 | RETVAL = &PL_sv_undef; |
238 | } |
239 | OUTPUT: |
240 | RETVAL |
241 | |