1 |
ulpfr |
13 |
#define PERL_POLLUTE |
2 |
|
|
|
3 |
ulpfr |
10 |
/* -*- Mode: C -*- |
4 |
|
|
* $Basename: WAIT.xs $ |
5 |
ulpfr |
13 |
* $Revision: 1.6 $ |
6 |
ulpfr |
10 |
* Author : Ulrich Pfeifer |
7 |
|
|
* Created On : Thu Aug 15 18:01:00 1996 |
8 |
|
|
* Last Modified By: Ulrich Pfeifer |
9 |
|
|
* Last Modified On: Wed Nov 5 17:01:30 1997 |
10 |
|
|
* Language : C |
11 |
|
|
* Update Count : 106 |
12 |
|
|
* Status : Unknown, Use with caution! |
13 |
|
|
* |
14 |
|
|
* (C) Copyright 1997, Ulrich Pfeifer, all rights reserved. |
15 |
|
|
* |
16 |
|
|
*/ |
17 |
|
|
|
18 |
|
|
#ifdef __cplusplus |
19 |
|
|
extern "C" { |
20 |
|
|
#endif |
21 |
|
|
#include "EXTERN.h" |
22 |
|
|
#include "perl.h" |
23 |
|
|
#include "XSUB.h" |
24 |
ulpfr |
13 |
#include "ppport.h" |
25 |
ulpfr |
10 |
#ifdef __cplusplus |
26 |
|
|
} |
27 |
|
|
#endif |
28 |
|
|
|
29 |
|
|
#include "soundex.h" |
30 |
|
|
#include "stemmer.h" |
31 |
|
|
#include "metaphone.h" |
32 |
|
|
#include "levenstein.h" |
33 |
|
|
|
34 |
|
|
static unsigned char *lchars = |
35 |
|
|
"abcdefghijklmnopqrstuvwxyzàáâãäåæçèéêëìíîïñòóôõöøùúûüýß"; |
36 |
|
|
static unsigned char *uchars = |
37 |
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÑÒÓÔÕÖØÙÚÛÜÝß"; |
38 |
|
|
static char *scodes = |
39 |
|
|
"01230120022455012623010202000000 00000000500000 000002"; |
40 |
|
|
static char *pcodes = |
41 |
|
|
"01230720022455012683070808000000 00000000500000 000008"; |
42 |
|
|
static unsigned char tou[256]; |
43 |
|
|
static unsigned char tol[256]; |
44 |
|
|
static unsigned char tos[256]; |
45 |
|
|
static char scd[256]; |
46 |
|
|
static char pcd[256]; |
47 |
|
|
static unsigned char *nums = "0123456789"; |
48 |
|
|
|
49 |
|
|
void init_lcuc () |
50 |
|
|
{ |
51 |
|
|
short i; |
52 |
|
|
short l = strlen(lchars); |
53 |
|
|
|
54 |
|
|
for(i=0;i<256;i++) { |
55 |
|
|
tou[i] = (unsigned char)i; |
56 |
|
|
tol[i] = (unsigned char)i; |
57 |
|
|
tos[i] = (unsigned char)' '; |
58 |
|
|
scd[i] = ' '; |
59 |
|
|
pcd[i] = ' '; |
60 |
|
|
} |
61 |
|
|
for (i=0;i<l;i++) { |
62 |
|
|
tou[lchars[i]] = uchars[i]; |
63 |
|
|
tol[uchars[i]] = lchars[i]; |
64 |
|
|
tos[uchars[i]] = uchars[i]; |
65 |
|
|
tos[lchars[i]] = lchars[i]; |
66 |
|
|
scd[uchars[i]] = scodes[i]; |
67 |
|
|
scd[lchars[i]] = scodes[i]; |
68 |
|
|
pcd[uchars[i]] = pcodes[i]; |
69 |
|
|
pcd[lchars[i]] = pcodes[i]; |
70 |
|
|
} |
71 |
|
|
for (i=0;i<10;i++) { |
72 |
|
|
tos[nums[i]] = nums[i]; |
73 |
|
|
} |
74 |
|
|
} |
75 |
|
|
|
76 |
|
|
unsigned char ToUpper(c) |
77 |
|
|
unsigned char c; |
78 |
|
|
{ |
79 |
|
|
return (tou[c]); |
80 |
|
|
} |
81 |
|
|
|
82 |
|
|
unsigned char ToLower(c) |
83 |
|
|
unsigned char c; |
84 |
|
|
{ |
85 |
|
|
return (tol[c]); |
86 |
|
|
} |
87 |
|
|
|
88 |
|
|
#define ToUpper(c) (tou[c]) |
89 |
|
|
#define ToLower(c) (tol[c]) |
90 |
|
|
#define SoundexLen 4 /* length of a soundex code */ |
91 |
|
|
#define SoundexKey "Z000" /* default key for soundex code */ |
92 |
|
|
|
93 |
|
|
bool IsAlpha(c) |
94 |
|
|
unsigned char c; |
95 |
|
|
{ |
96 |
|
|
return ((bool) scd[c] != ' '); |
97 |
|
|
} |
98 |
|
|
|
99 |
|
|
bool IsVowel(c) |
100 |
|
|
unsigned char c; |
101 |
|
|
{ |
102 |
|
|
return ((bool) scd[c] == '0'); |
103 |
|
|
} |
104 |
|
|
|
105 |
|
|
static char SCode(c) |
106 |
|
|
unsigned char c; |
107 |
|
|
{ |
108 |
|
|
return (scd[c]); |
109 |
|
|
} |
110 |
|
|
|
111 |
|
|
#define IsAlpha(c) (scd[c] != ' ') |
112 |
|
|
#define IsVowel(c) (scd[c] == '0') |
113 |
|
|
#define SCode(c) (scd[c]) |
114 |
|
|
|
115 |
|
|
char PCode(c) |
116 |
|
|
unsigned char c; |
117 |
|
|
{ |
118 |
|
|
return (pcd[c]); |
119 |
|
|
} |
120 |
|
|
|
121 |
|
|
void SoundexCode (Name, Key) |
122 |
|
|
unsigned char *Name; |
123 |
|
|
unsigned char *Key; |
124 |
|
|
{ |
125 |
|
|
unsigned char LastLetter; |
126 |
|
|
int Index; |
127 |
|
|
|
128 |
|
|
/* set default key */ |
129 |
|
|
strcpy(Key, SoundexKey); |
130 |
|
|
|
131 |
|
|
/* keep first letter */ |
132 |
|
|
Key[0] = *Name; |
133 |
|
|
LastLetter = *Name; |
134 |
|
|
Name++; |
135 |
|
|
|
136 |
|
|
/* scan rest of string */ |
137 |
|
|
for (Index = 1; (Index < SoundexLen) && *Name; Name++) |
138 |
|
|
{ |
139 |
|
|
/* use only letters */ |
140 |
|
|
if (IsAlpha(*Name)) |
141 |
|
|
{ |
142 |
|
|
/* ignore duplicate successive chars */ |
143 |
|
|
if (LastLetter != *Name) |
144 |
|
|
{ |
145 |
|
|
/* new LastLetter */ |
146 |
|
|
LastLetter = *Name; |
147 |
|
|
|
148 |
|
|
/* ignore letters with code 0 */ |
149 |
|
|
if (!IsVowel(*Name) && (SCode(*Name) != 0)) |
150 |
|
|
{ |
151 |
|
|
Key[Index] = SCode(*Name); |
152 |
|
|
Index++; |
153 |
|
|
} |
154 |
|
|
} |
155 |
|
|
} |
156 |
|
|
} |
157 |
|
|
} |
158 |
|
|
|
159 |
|
|
static unsigned char * isolc (s, l) |
160 |
|
|
unsigned char * s; |
161 |
|
|
int l; |
162 |
|
|
{ |
163 |
|
|
int i; |
164 |
|
|
for (i=0;i<l;i++) { |
165 |
|
|
s[i] = tol[s[i]]; |
166 |
|
|
} |
167 |
|
|
return(s); |
168 |
|
|
} |
169 |
|
|
|
170 |
|
|
static unsigned char * isouc (s, l) |
171 |
|
|
unsigned char * s; |
172 |
|
|
int l; |
173 |
|
|
{ |
174 |
|
|
int i; |
175 |
|
|
|
176 |
|
|
for (i=0;i<l;i++) { |
177 |
|
|
s[i] = tou[s[i]]; |
178 |
|
|
} |
179 |
|
|
return(s); |
180 |
|
|
} |
181 |
|
|
|
182 |
|
|
static unsigned char * isotr (s, l) |
183 |
|
|
unsigned char * s; |
184 |
|
|
int l; |
185 |
|
|
{ |
186 |
|
|
int i; |
187 |
|
|
|
188 |
|
|
for (i=0;i<l;i++) { |
189 |
|
|
s[i] = tos[s[i]]; |
190 |
|
|
} |
191 |
|
|
return(s); |
192 |
|
|
} |
193 |
|
|
|
194 |
|
|
MODULE = WAIT PACKAGE = WAIT::Filter |
195 |
|
|
|
196 |
|
|
PROTOTYPES: ENABLE |
197 |
|
|
|
198 |
|
|
BOOT: |
199 |
|
|
init_lcuc (); |
200 |
|
|
|
201 |
|
|
|
202 |
|
|
char * |
203 |
|
|
isolc(word) |
204 |
|
|
char * word |
205 |
|
|
CODE: |
206 |
|
|
{ |
207 |
|
|
char *copy; |
208 |
|
|
ST(0) = sv_mortalcopy(ST(0)); |
209 |
ulpfr |
13 |
copy = (char *)SvPV(ST(0),PL_na); |
210 |
|
|
(void) isolc(copy, (int)PL_na); |
211 |
ulpfr |
10 |
} |
212 |
|
|
|
213 |
|
|
char * |
214 |
|
|
isouc(word) |
215 |
|
|
char * word |
216 |
|
|
CODE: |
217 |
|
|
{ |
218 |
|
|
char *copy; |
219 |
|
|
ST(0) = sv_mortalcopy(ST(0)); |
220 |
ulpfr |
13 |
copy = (char *)SvPV(ST(0),PL_na); |
221 |
|
|
(void) isouc(copy, (int)PL_na); |
222 |
ulpfr |
10 |
} |
223 |
|
|
|
224 |
|
|
char * |
225 |
|
|
isotr(word) |
226 |
|
|
char * word |
227 |
|
|
CODE: |
228 |
|
|
{ |
229 |
|
|
char *copy; |
230 |
|
|
ST(0) = sv_mortalcopy(ST(0)); |
231 |
ulpfr |
13 |
copy = (char *)SvPV(ST(0),PL_na); |
232 |
|
|
(void) isotr(copy, (int)PL_na); |
233 |
ulpfr |
10 |
} |
234 |
|
|
|
235 |
|
|
char * |
236 |
|
|
disolc(word) |
237 |
|
|
char * word |
238 |
|
|
CODE: |
239 |
|
|
{ |
240 |
ulpfr |
13 |
(void) isolc(word, (int)PL_na); |
241 |
ulpfr |
10 |
} |
242 |
|
|
|
243 |
|
|
char * |
244 |
|
|
disouc(word) |
245 |
|
|
char * word |
246 |
|
|
CODE: |
247 |
|
|
{ |
248 |
ulpfr |
13 |
(void) isouc(word, (int)PL_na); |
249 |
ulpfr |
10 |
} |
250 |
|
|
|
251 |
|
|
char * |
252 |
|
|
disotr(word) |
253 |
|
|
char * word |
254 |
|
|
CODE: |
255 |
|
|
{ |
256 |
ulpfr |
13 |
(void) isotr(word, (int)PL_na); |
257 |
ulpfr |
10 |
} |
258 |
|
|
|
259 |
|
|
char * |
260 |
|
|
Soundex(word) |
261 |
|
|
char * word |
262 |
|
|
CODE: |
263 |
|
|
{ |
264 |
|
|
char key[5]; |
265 |
|
|
Soundex (word, key); |
266 |
|
|
ST(0) = sv_newmortal(); |
267 |
|
|
sv_setpv((SV *) ST(0), key); |
268 |
|
|
} |
269 |
|
|
|
270 |
|
|
char * |
271 |
|
|
Phonix (word) |
272 |
|
|
char * word |
273 |
|
|
CODE: |
274 |
|
|
{ |
275 |
|
|
char key[9]; |
276 |
|
|
Phonix (word, key); |
277 |
|
|
ST(0) = sv_newmortal(); |
278 |
|
|
sv_setpv((SV *) ST(0), key); |
279 |
|
|
} |
280 |
|
|
|
281 |
|
|
char * |
282 |
|
|
Stem (word) |
283 |
|
|
char * word |
284 |
|
|
CODE: |
285 |
|
|
{ |
286 |
|
|
char copy[80]; |
287 |
|
|
strncpy(copy, word, 79); |
288 |
|
|
if (Stem(copy)) { |
289 |
|
|
ST(0) = sv_newmortal(); |
290 |
|
|
sv_setpv((SV *) ST(0), copy); |
291 |
|
|
} |
292 |
|
|
} |
293 |
|
|
|
294 |
|
|
char * |
295 |
|
|
Metaphone (word) |
296 |
|
|
char * word |
297 |
|
|
CODE: |
298 |
|
|
{ |
299 |
|
|
char metaph[80]; |
300 |
|
|
metaph[0] = '\0'; |
301 |
|
|
phonetic(word,metaph,79); |
302 |
|
|
ST(0) = sv_newmortal(); |
303 |
|
|
sv_setpv((SV *) ST(0), metaph); |
304 |
|
|
} |
305 |
|
|
|
306 |
|
|
void |
307 |
|
|
split_pos(ipair) |
308 |
|
|
SV * ipair; |
309 |
|
|
PPCODE: |
310 |
|
|
{ |
311 |
|
|
AV * aipair = (AV *) SvRV(ipair); |
312 |
ulpfr |
13 |
char * word = (char *)SvPV(*av_fetch(aipair, 0, 0),PL_na); |
313 |
ulpfr |
10 |
int offset = (av_len(aipair)?SvIV(*av_fetch(aipair, 1, 0)):0); |
314 |
|
|
char * begin = word; |
315 |
|
|
SV * pair[2]; |
316 |
|
|
|
317 |
|
|
pair[0] = newSV((STRLEN)20); |
318 |
|
|
pair[1] = newSV((STRLEN)0); |
319 |
|
|
|
320 |
|
|
while (*word) { |
321 |
|
|
char * start; |
322 |
|
|
AV * apair; |
323 |
|
|
SV * ref; |
324 |
|
|
while (*word && isspace(*word)) word++; |
325 |
|
|
if (!*word) break; |
326 |
|
|
start = word; |
327 |
|
|
while (*word && !isspace(*word)) word++; |
328 |
|
|
EXTEND(sp, 1); |
329 |
|
|
sv_setpvn(pair[0], start, (STRLEN)(word-start)); |
330 |
|
|
sv_setiv(pair[1],offset + start - begin); |
331 |
|
|
apair = av_make(2, pair); |
332 |
ulpfr |
13 |
ref = newRV_inc((SV*) apair); |
333 |
ulpfr |
10 |
SvREFCNT_dec(apair); |
334 |
|
|
PUSHs(sv_2mortal(ref)); |
335 |
|
|
} |
336 |
|
|
/* free pair */ |
337 |
|
|
SvREFCNT_dec(pair[0]); |
338 |
|
|
SvREFCNT_dec(pair[1]); |
339 |
|
|
} |
340 |
|
|
|
341 |
|
|
MODULE = WAIT PACKAGE = WAIT::Table |
342 |
|
|
int |
343 |
|
|
max(left,right=0) |
344 |
|
|
int left |
345 |
|
|
int right |
346 |
|
|
CODE: |
347 |
|
|
{ |
348 |
|
|
RETVAL = (left>right)?left:right; |
349 |
|
|
ST(0) = sv_newmortal(); |
350 |
|
|
sv_setiv(ST(0), (IV)RETVAL); |
351 |
|
|
} |
352 |
|
|
|
353 |
|
|
|
354 |
|
|
MODULE = WAIT PACKAGE = WAIT::Metric |
355 |
|
|
|
356 |
|
|
int |
357 |
|
|
WLD(word,towards,mode=' ',limit=0) |
358 |
|
|
char * word |
359 |
|
|
char * towards |
360 |
|
|
char mode |
361 |
|
|
int limit |