Commit | Line | Data |
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7cd79d36 BJ |
1 | #include "fio.h" |
2 | #include "fmt.h" | |
3 | #include "lio.h" | |
4 | #include "ctype.h" | |
5 | extern char *fmtbuf; | |
6 | int (*lioproc)(); | |
7 | ||
8 | #define isblnk(x) (ltab[x+1]&B) | |
9 | #define issep(x) (ltab[x+1]&SX) | |
10 | #define isapos(x) (ltab[x+1]&AX) | |
11 | #define isexp(x) (ltab[x+1]&EX) | |
12 | #define issign(x) (ltab[x+1]&SG) | |
13 | #define SX 1 | |
14 | #define B 2 | |
15 | #define AX 4 | |
16 | #define EX 8 | |
17 | #define SG 16 | |
18 | char ltab[128+1] = { /* offset one for EOF */ | |
19 | 0, | |
20 | 0,0,AX,0,0,0,0,0,0,0,0,0,0,0,0,0, | |
21 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | |
22 | SX|B,0,AX,0,0,0,0,AX,0,0,0,SG,SX,SG,0,SX, | |
23 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | |
24 | 0,0,0,0,EX,EX,0,0,0,0,0,0,0,0,0,0, | |
25 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | |
26 | AX,0,0,0,EX,EX,0,0,0,0,0,0,0,0,0,0, | |
27 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | |
28 | }; | |
29 | ||
30 | int l_first; | |
31 | t_getc() | |
32 | { int ch; | |
33 | if(curunit->uend) return(EOF); | |
34 | if((ch=getc(cf))!=EOF) return(ch); | |
35 | if(feof(cf)) curunit->uend = 1; | |
36 | return(EOF); | |
37 | } | |
38 | e_rsle() | |
39 | { | |
40 | int ch; | |
41 | if(curunit->uend) return(0); | |
42 | while((ch=t_getc())!='\n' && ch!=EOF); | |
43 | return(0); | |
44 | } | |
45 | ||
46 | flag lquit; | |
47 | int lcount,ltype; | |
48 | char *lchar; | |
49 | double lx,ly; | |
50 | #define ERR(x) if(n=(x)) return(n) | |
51 | #define GETC(x) (x=t_getc()) | |
52 | ||
53 | l_read(number,ptr,len,type) ftnint *number,type; flex *ptr; ftnlen len; | |
54 | { int i,n,ch; | |
55 | double *yy; | |
56 | float *xx; | |
57 | for(i=0;i<*number;i++) | |
58 | { | |
59 | if(lquit) return(0); | |
60 | if(curunit->uend) err(elist->ciend, EOF, "list in") | |
61 | if(l_first) | |
62 | { l_first=0; | |
63 | lcount = count_sep(); | |
64 | if(lquit) return(0); | |
65 | } | |
66 | else if(lcount==0) { | |
67 | lcount = count_sep(); | |
68 | if(lcount > 0) lcount--; | |
69 | if(lquit) return(0); | |
70 | } | |
71 | switch((int)type) | |
72 | { | |
73 | case TYSHORT: | |
74 | case TYLONG: | |
75 | case TYREAL: | |
76 | case TYDREAL: | |
77 | ERR(l_R()); | |
78 | break; | |
79 | case TYCOMPLEX: | |
80 | case TYDCOMPLEX: | |
81 | ERR(l_C()); | |
82 | break; | |
83 | case TYLOGICAL: | |
84 | ERR(l_L()); | |
85 | break; | |
86 | case TYCHAR: | |
87 | ERR(l_CHAR()); | |
88 | break; | |
89 | } | |
90 | if(lquit) return(0); | |
91 | if(feof(cf)) err(elist->ciend,(EOF),"list in") | |
92 | else if(ferror(cf)) | |
93 | { clearerr(cf); | |
94 | err(elist->cierr,errno,"list in") | |
95 | } | |
96 | if(ltype==NULL) goto bump; | |
97 | switch((int)type) | |
98 | { | |
99 | case TYSHORT: | |
100 | ptr->flshort=lx; | |
101 | break; | |
102 | case TYLOGICAL: | |
103 | case TYLONG: | |
104 | ptr->flint=lx; | |
105 | break; | |
106 | case TYREAL: | |
107 | ptr->flreal=lx; | |
108 | break; | |
109 | case TYDREAL: | |
110 | ptr->fldouble=lx; | |
111 | break; | |
112 | case TYCOMPLEX: | |
113 | xx=(float *)ptr; | |
114 | *xx++ = lx; | |
115 | *xx = ly; | |
116 | break; | |
117 | case TYDCOMPLEX: | |
118 | yy=(double *)ptr; | |
119 | *yy++ = lx; | |
120 | *yy = ly; | |
121 | break; | |
122 | case TYCHAR: | |
123 | b_char(lchar,(char *)ptr,len); | |
124 | break; | |
125 | } | |
126 | bump: | |
127 | if(lcount>0) lcount--; | |
128 | ptr = (flex *)((char *)ptr + len); | |
129 | } | |
130 | return(0); | |
131 | } | |
132 | l_R() | |
133 | { double a,b,c,d; | |
134 | int i,ch,sign=0,da,db,dc; | |
135 | a=b=c=d=0; | |
136 | da=db=dc=0; | |
137 | if(lcount>0) return(0); | |
138 | ltype=NULL; | |
139 | da=rd_int(&a); | |
140 | if(da== -1) sign=da; | |
141 | if(GETC(ch)!='*') | |
142 | { ungetc(ch,cf); | |
143 | db=1; | |
144 | b=a; | |
145 | a=1; | |
146 | } | |
147 | else | |
148 | db=rd_int(&b); | |
149 | if(GETC(ch)!='.') | |
150 | { dc=c=0; | |
151 | ungetc(ch,cf); | |
152 | } | |
153 | else dc=rd_int(&c); | |
154 | if(isexp(GETC(ch))) db=rd_int(&d); | |
155 | else if(issign(ch)) | |
156 | { ungetc(ch, cf); | |
157 | db = rd_int(&d); | |
158 | } | |
159 | else | |
160 | { ungetc(ch,cf); | |
161 | d=0; | |
162 | } | |
163 | lcount=a; | |
164 | if(!db && !dc) | |
165 | return(0); | |
166 | if(db && b<0) | |
167 | { sign=1; | |
168 | b = -b; | |
169 | } | |
170 | for(i=0;i<dc;i++) c/=10; | |
171 | b=b+c; | |
172 | for(i=0;i<d;i++) b *= 10; | |
173 | for(i=0;i< -d;i++) b /= 10; | |
174 | if(sign) b = -b; | |
175 | ltype=TYLONG; | |
176 | lx=b; | |
177 | return(0); | |
178 | } | |
179 | rd_int(x) double *x; | |
180 | { int ch,sign=0,i; | |
181 | double y; | |
182 | i=0; | |
183 | y=0; | |
184 | if(GETC(ch)=='-') sign = -1; | |
185 | else if(ch=='+') sign=0; | |
186 | else ungetc(ch,cf); | |
187 | while(isdigit(GETC(ch))) | |
188 | { i++; | |
189 | y=10*y+ch-'0'; | |
190 | } | |
191 | ungetc(ch,cf); | |
192 | if(sign) y = -y; | |
193 | *x = y; | |
194 | return(y!=0?i:sign); | |
195 | } | |
196 | l_C() | |
197 | { int ch; | |
198 | if(lcount>0) return(0); | |
199 | ltype=NULL; | |
200 | GETC(ch); | |
201 | if(ch!='(') | |
202 | { if(fscanf(cf,"%d",&lcount)!=1) | |
203 | if(!feof(cf)) err(elist->cierr,112,"complex format") | |
204 | else err(elist->cierr,(EOF),"lread"); | |
205 | if(GETC(ch)!='*') | |
206 | { ungetc(ch,cf); | |
207 | if(!feof(cf)) err(elist->cierr,112,"no star") | |
208 | else err(elist->cierr,(EOF),"lread"); | |
209 | } | |
210 | if(GETC(ch)!='(') | |
211 | { ungetc(ch,cf); | |
212 | return(0); | |
213 | } | |
214 | } | |
215 | lcount = 1; | |
216 | ltype=TYLONG; | |
217 | fscanf(cf,"%lf",&lx); | |
218 | while(isblnk(GETC(ch)) || (ch == '\n')); | |
219 | if(ch!=',') | |
220 | { ungetc(ch,cf); | |
221 | err(elist->cierr,112,"no comma"); | |
222 | } | |
223 | while(isblnk(GETC(ch))); | |
224 | ungetc(ch,cf); | |
225 | fscanf(cf,"%lf",&ly); | |
226 | while(isblnk(GETC(ch))); | |
227 | if(ch!=')') err(elist->cierr,112,"no )"); | |
228 | while(isblnk(GETC(ch))); | |
229 | if(ch != '\n') ungetc(ch,cf); | |
230 | return(0); | |
231 | } | |
232 | l_L() | |
233 | { | |
234 | int ch; | |
235 | if(lcount>0) return(0); | |
236 | ltype=NULL; | |
237 | GETC(ch); | |
238 | if(isdigit(ch)) | |
239 | { ungetc(ch,cf); | |
240 | fscanf(cf,"%d",&lcount); | |
241 | if(GETC(ch)!='*') | |
242 | if(!feof(cf)) err(elist->cierr,112,"no star") | |
243 | else err(elist->cierr,(EOF),"lread"); | |
244 | } | |
245 | else ungetc(ch,cf); | |
246 | if(GETC(ch)=='.') GETC(ch); | |
247 | switch(ch) | |
248 | { | |
249 | case 't': | |
250 | case 'T': | |
251 | lx=1; | |
252 | break; | |
253 | case 'f': | |
254 | case 'F': | |
255 | lx=0; | |
256 | break; | |
257 | default: | |
258 | if(isblnk(ch) || issep(ch) || ch==EOF || ch == '\n') | |
259 | { ungetc(ch,cf); | |
260 | return(0); | |
261 | } | |
262 | else err(elist->cierr,112,"logical"); | |
263 | } | |
264 | ltype=TYLONG; | |
265 | lcount = 1; | |
266 | while(!issep(GETC(ch)) && ch!='\n' && ch!=EOF); | |
267 | ungetc(ch, cf); | |
268 | return(0); | |
269 | } | |
270 | #define BUFSIZE 128 | |
271 | l_CHAR() | |
272 | { int ch,size,i; | |
273 | char quote,*p; | |
274 | if(lcount>0) return(0); | |
275 | ltype=NULL; | |
276 | ||
277 | GETC(ch); | |
278 | if(isdigit(ch)) | |
279 | { ungetc(ch,cf); | |
280 | fscanf(cf,"%d",&lcount); | |
281 | if(GETC(ch)!='*') err(elist->cierr,112,"no star"); | |
282 | } | |
283 | else ungetc(ch,cf); | |
284 | if(GETC(ch)=='\'' || ch=='"') quote=ch; | |
285 | else if(isblnk(ch) || issep(ch) || ch==EOF) | |
286 | { ungetc(ch,cf); | |
287 | return(0); | |
288 | } | |
289 | else err(elist->cierr,112,"no quote"); | |
290 | ltype=TYCHAR; | |
291 | if(lchar!=NULL) free(lchar); | |
292 | size=BUFSIZE; | |
293 | p=lchar=(char *)malloc(size); | |
294 | if(lchar==NULL) err(elist->cierr,113,"no space"); | |
295 | for(i=0;;) | |
296 | { while(GETC(ch)!=quote && ch!='\n' | |
297 | && ch!=EOF && ++i<size) *p++ = ch; | |
298 | if(i==size) | |
299 | { | |
300 | newone: | |
301 | lchar=(char *)realloc(lchar, size += BUFSIZE); | |
302 | p=lchar+i-1; | |
303 | *p++ = ch; | |
304 | } | |
305 | else if(ch==EOF) return(EOF); | |
306 | else if(ch=='\n') | |
307 | { if(*(p-1) != '\\') continue; | |
308 | i--; | |
309 | p--; | |
310 | if(++i<size) *p++ = ch; | |
311 | else goto newone; | |
312 | } | |
313 | else if(GETC(ch)==quote) | |
314 | { if(++i<size) *p++ = ch; | |
315 | else goto newone; | |
316 | } | |
317 | else | |
318 | { ungetc(ch,cf); | |
319 | *p++ = 0; | |
320 | return(0); | |
321 | } | |
322 | } | |
323 | } | |
324 | s_rsle(a) cilist *a; | |
325 | { | |
326 | int n; | |
327 | if(!init) f_init(); | |
328 | if(n=c_le(a,READ)) return(n); | |
329 | reading=1; | |
330 | external=1; | |
331 | formatted=1; | |
332 | l_first=1; | |
333 | lioproc = l_read; | |
334 | lquit = 0; | |
335 | lcount = 0; | |
336 | if(curunit->uwrt) | |
337 | return(nowreading(curunit)); | |
338 | else return(0); | |
339 | } | |
340 | c_le(a,flag) cilist *a; | |
341 | { | |
342 | fmtbuf="list io"; | |
343 | if(a->ciunit>=MXUNIT || a->ciunit<0) | |
344 | err(a->cierr,101,"stler"); | |
345 | scale=recpos=0; | |
346 | elist=a; | |
347 | curunit = &units[a->ciunit]; | |
348 | if(curunit->ufd==NULL && fk_open(flag,SEQ,FMT,a->ciunit)) | |
349 | err(a->cierr,102,"lio"); | |
350 | cf=curunit->ufd; | |
351 | if(!curunit->ufmt) err(a->cierr,103,"lio") | |
352 | return(0); | |
353 | } | |
354 | do_lio(type,number,ptr,len) ftnint *number,*type; flex *ptr; ftnlen len; | |
355 | { | |
356 | return((*lioproc)(number,ptr,len,*type)); | |
357 | } | |
358 | ||
359 | count_sep() | |
360 | { int n, ch, blnkcnt; | |
361 | n = 0; | |
362 | blnkcnt = 0; | |
363 | for(GETC(ch); isblnk(ch) || issep(ch); GETC(ch)) { | |
364 | if(isblnk(ch)) { | |
365 | blnkcnt++; | |
366 | continue; | |
367 | } | |
368 | if(ch == ',') { | |
369 | n++; | |
370 | continue; | |
371 | } | |
372 | if(n > 0) { | |
373 | ungetc(ch, cf); | |
374 | return(n); | |
375 | } | |
376 | else { | |
377 | lquit = 1; | |
378 | return(0); | |
379 | } | |
380 | } | |
381 | if(ch == EOF) | |
382 | return(EOF); | |
383 | if(ch != '\n') ungetc(ch, cf); | |
384 | else blnkcnt++; | |
385 | if(n == 0 && blnkcnt > 0) n = 1; | |
386 | return(n); | |
387 | } |