Commit | Line | Data |
---|---|---|
a551a3dd BT |
1 | #ifndef lint |
2 | static char *sccsid = "@(#)what2.c 4.1 (Berkeley) %G%"; | |
3 | #endif | |
4 | ||
5 | #include "stdio.h" | |
6 | #include "ctype.h" | |
7 | #define NS 5 | |
8 | ||
9 | struct sf { | |
10 | char *text; | |
11 | int olap; | |
12 | } | |
13 | sents[NS]; | |
14 | struct sf *sp; | |
15 | char stext[NS][500]; | |
16 | ||
17 | describe (file, argc, argv, rf) | |
18 | char *file, *argv[]; | |
19 | FILE *rf; | |
20 | { | |
21 | int ns 0; | |
22 | char linbuf[BUFSIZ], *line, *p; | |
23 | int i, wrflg 0, wrote 0, ln 0; | |
24 | FILE *fi; | |
25 | fi = fopen(file, "r"); | |
26 | if (fi==NULL) return; | |
27 | for(i=1; i<argc; i++) | |
28 | lcase(argv[i]); | |
29 | while (gsent(linbuf, BUFSIZ, fi)) | |
30 | { | |
31 | wrote=0; | |
32 | for(line=linbuf; *line==' '; line++); | |
33 | if (line[0]==0) continue; | |
34 | for(p=line; *p; p++) | |
35 | if (*p=='\t') *p= ' '; | |
36 | if (wrflg && line[0]=='.' && isupper(line[1])) | |
37 | wrflg=0; | |
38 | if (wrflg) | |
39 | { | |
40 | output(line, ln, rf); | |
41 | wrote=1; | |
42 | } | |
43 | if (prefix(".TL", line)) | |
44 | wrflg=1; | |
45 | if (prefix(".AU", line)) | |
46 | wrflg = ln = 1; | |
47 | if (prefix(".DA", line) || prefix(".ND", line)) | |
48 | output(line+4, 1, rf); | |
49 | if (line[0]=='.') | |
50 | continue; | |
51 | if (wrote) continue; | |
52 | ns=update(ns, line, count(line,argc,argv)); | |
53 | } | |
54 | fclose(fi); | |
55 | for(sp=sents; sp<sents+ns; sp++) | |
56 | output(sp->text, 0, rf); | |
57 | } | |
58 | ||
59 | int state 0; | |
60 | int oldc '\n'; | |
61 | ||
62 | gsent(buf, bsize, fi) | |
63 | char *buf; | |
64 | FILE *fi; | |
65 | { | |
66 | char *s; | |
67 | int c, leng 0; | |
68 | /* state | |
69 | 0: looking for '.' | |
70 | 1: looking for nl or space aftter '.' | |
71 | 2: looking for nl after line with dot. | |
72 | */ | |
73 | s=buf; | |
74 | if (state==2) | |
75 | *s++='.'; | |
76 | while ( (c = getc(fi)) > 0 ) | |
77 | { | |
78 | switch(state) | |
79 | { | |
80 | case 0: /* normal */ | |
81 | if (c=='.' && oldc == '\n') | |
82 | { | |
83 | *s=0; | |
84 | state=2; | |
85 | oldc='\n'; | |
86 | return(1); | |
87 | } | |
88 | *s++ = (c=='\n'? ' ': c); | |
89 | if (s>=buf+bsize) | |
90 | { | |
91 | *--s = 0; | |
92 | return(1); | |
93 | } | |
94 | if (c=='.' || c == '?' || c=='!') | |
95 | if (leng>1) | |
96 | state=1; | |
97 | leng = (isalpha(c) ? leng+1 : 0); | |
98 | break; | |
99 | case 1: /* found ., want nl or space */ | |
100 | if (c==' ' || c == '\n') | |
101 | { | |
102 | *s=0; | |
103 | state=0; | |
104 | oldc=c; | |
105 | return(1); | |
106 | } | |
107 | *s++ = (c=='\n' ? ' ' : c); | |
108 | state=0; | |
109 | leng = 0; | |
110 | break; | |
111 | case 2: /* found trof line, want nl */ | |
112 | if (c == '\n') | |
113 | { | |
114 | *s=0; | |
115 | state=0; | |
116 | oldc='\n'; | |
117 | return(1); | |
118 | } | |
119 | *s++ = c; | |
120 | break; | |
121 | } | |
122 | oldc=c; | |
123 | } | |
124 | *s=0; | |
125 | return(0); | |
126 | } | |
127 | ||
128 | prefix( p, s) | |
129 | char *p, *s; | |
130 | { | |
131 | int c; | |
132 | while ( (c= *p++) == *s++) | |
133 | if (c==0) | |
134 | return(1); | |
135 | return(c==0); | |
136 | } | |
137 | ||
138 | output (s, ln, rf) | |
139 | char *s; | |
140 | FILE *rf; | |
141 | { | |
142 | char *t; | |
143 | int more 1; | |
144 | t=s; | |
145 | while (more) | |
146 | { | |
147 | while (t<s+72 && *t) | |
148 | t++; | |
149 | if (*t) | |
150 | { | |
151 | while (*t != ' ' && t>(s+25)) | |
152 | t--; | |
153 | *t=0; | |
154 | more=1; | |
155 | } | |
156 | else | |
157 | more=0; | |
158 | printf("%s%s\n",ln++ ? " " : " ", s); | |
159 | if (rf!=NULL) | |
160 | fprintf(rf, "%s\n", s); | |
161 | s= ++t; | |
162 | } | |
163 | } | |
164 | ||
165 | count(isent, nw, wds) | |
166 | char *wds[], *isent; | |
167 | { | |
168 | int saw[50], ct; | |
169 | char sb[BUFSIZ], *s sb; | |
170 | int i, c; | |
171 | for(i=1; i<nw; i++) | |
172 | saw[i]=0; | |
173 | while (c = *isent++) | |
174 | { | |
175 | *s++ = isupper(c) ? tolower(c) : c; | |
176 | } | |
177 | *s=0; | |
178 | s=sb; | |
179 | while (*s++) | |
180 | { | |
181 | if (s[-1]!=' ') continue; | |
182 | for(i=1; i<nw; i++) | |
183 | { | |
184 | if (saw[i])continue; | |
185 | if (prefix(wds[i], s)) | |
186 | saw[i]=1; | |
187 | } | |
188 | } | |
189 | ct=0; | |
190 | for(i=1; i<nw; i++) | |
191 | if (saw[i]) | |
192 | ct++; | |
193 | return(ct); | |
194 | } | |
195 | ||
196 | lcase(s) | |
197 | char *s; | |
198 | { | |
199 | register int c; | |
200 | for(; c= *s; s++) | |
201 | { | |
202 | if (isupper(c)) | |
203 | *s= tolower(c); | |
204 | } | |
205 | } | |
206 | ||
207 | update( ns, line, kov) | |
208 | char *line; | |
209 | { | |
210 | /* see if sentence array should be updated */ | |
211 | int lval 100; | |
212 | char *ob; | |
213 | struct sf *sp, *least NULL; | |
214 | if (kov<=0) return (ns) ; /* no*/ | |
215 | if (ns<NS) | |
216 | { | |
217 | sp=sents+ns; | |
218 | strcpy (sp->text = stext[ns], line); | |
219 | sp->olap = kov; | |
220 | return(ns+1); | |
221 | } | |
222 | for(sp=sents+ns-1; sp>=sents; sp--) | |
223 | { | |
224 | if (sp->olap < lval) | |
225 | { | |
226 | least = sp; | |
227 | lval = sp->olap; | |
228 | } | |
229 | } | |
230 | if (kov <= lval) return(ns); | |
231 | ob = least->text; | |
232 | while (++least < sents+NS) | |
233 | { | |
234 | (least-1)->text = least->text; | |
235 | (least-1)->olap = least->olap; | |
236 | } | |
237 | sp = sents+NS-1; | |
238 | strcpy (sp->text=ob, line); | |
239 | sp->olap = kov; | |
240 | return(NS); | |
241 | } |