1 |
greg |
2.1 |
#ifndef lint |
2 |
greg |
2.8 |
static const char RCSid[] = "$Id: eplus_idf.c,v 2.7 2014/02/11 23:30:11 greg Exp $"; |
3 |
greg |
2.1 |
#endif |
4 |
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/* |
5 |
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* eplus_idf.c |
6 |
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* |
7 |
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* EnergyPlus Input Data File i/o routines |
8 |
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* |
9 |
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* Created by Greg Ward on 1/31/14. |
10 |
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*/ |
11 |
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12 |
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#include <stdio.h> |
13 |
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#include <string.h> |
14 |
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#include <ctype.h> |
15 |
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#include <stdlib.h> |
16 |
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#include "eplus_idf.h" |
17 |
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18 |
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#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
19 |
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#undef getc |
20 |
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#define getc getc_unlocked |
21 |
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#endif |
22 |
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23 |
greg |
2.8 |
/* Create a new object with empty field list (comment optional) */ |
24 |
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IDF_OBJECT * |
25 |
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idf_newobject(IDF_LOADED *idf, const char *pname, const char *comm, |
26 |
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IDF_OBJECT *prev) |
27 |
greg |
2.1 |
{ |
28 |
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LUENT *pent; |
29 |
greg |
2.8 |
IDF_OBJECT *pnew; |
30 |
greg |
2.1 |
|
31 |
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if ((idf == NULL) | (pname == NULL)) |
32 |
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return(NULL); |
33 |
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if (comm == NULL) comm = ""; |
34 |
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pent = lu_find(&idf->ptab, pname); |
35 |
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if (pent == NULL) |
36 |
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return(NULL); |
37 |
greg |
2.8 |
if (pent->key == NULL) { /* new object name/type? */ |
38 |
greg |
2.1 |
pent->key = (char *)malloc(strlen(pname)+1); |
39 |
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if (pent->key == NULL) |
40 |
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return(NULL); |
41 |
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strcpy(pent->key, pname); |
42 |
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} |
43 |
greg |
2.8 |
pnew = (IDF_OBJECT *)malloc(sizeof(IDF_OBJECT)+strlen(comm)); |
44 |
greg |
2.1 |
if (pnew == NULL) |
45 |
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return(NULL); |
46 |
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strcpy(pnew->rem, comm); |
47 |
greg |
2.5 |
pnew->nfield = 0; |
48 |
greg |
2.1 |
pnew->flist = NULL; |
49 |
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pnew->pname = pent->key; /* add to table */ |
50 |
greg |
2.8 |
pnew->pnext = (IDF_OBJECT *)pent->data; |
51 |
greg |
2.1 |
pent->data = (char *)pnew; |
52 |
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pnew->dnext = NULL; /* add to file list */ |
53 |
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if (prev != NULL || (prev = idf->plast) != NULL) { |
54 |
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pnew->dnext = prev->dnext; |
55 |
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if (prev == idf->plast) |
56 |
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idf->plast = pnew; |
57 |
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} |
58 |
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if (idf->pfirst == NULL) |
59 |
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idf->pfirst = idf->plast = pnew; |
60 |
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else |
61 |
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prev->dnext = pnew; |
62 |
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return(pnew); |
63 |
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} |
64 |
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65 |
greg |
2.8 |
/* Add a field to the given object and follow with the given text */ |
66 |
greg |
2.1 |
int |
67 |
greg |
2.8 |
idf_addfield(IDF_OBJECT *param, const char *fval, const char *comm) |
68 |
greg |
2.1 |
{ |
69 |
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int fnum = 1; /* returned argument number */ |
70 |
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IDF_FIELD *fnew, *flast; |
71 |
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char *cp; |
72 |
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73 |
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if ((param == NULL) | (fval == NULL)) |
74 |
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return(0); |
75 |
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if (comm == NULL) comm = ""; |
76 |
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fnew = (IDF_FIELD *)malloc(sizeof(IDF_FIELD)+strlen(fval)+strlen(comm)); |
77 |
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if (fnew == NULL) |
78 |
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return(0); |
79 |
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fnew->next = NULL; |
80 |
greg |
2.6 |
cp = fnew->val; /* copy value and comments */ |
81 |
greg |
2.1 |
while ((*cp++ = *fval++)) |
82 |
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; |
83 |
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fnew->rem = cp; |
84 |
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while ((*cp++ = *comm++)) |
85 |
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; |
86 |
greg |
2.8 |
/* add to object's field list */ |
87 |
greg |
2.1 |
if ((flast = param->flist) != NULL) { |
88 |
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++fnum; |
89 |
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while (flast->next != NULL) { |
90 |
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flast = flast->next; |
91 |
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++fnum; |
92 |
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} |
93 |
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} |
94 |
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if (flast == NULL) |
95 |
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param->flist = fnew; |
96 |
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else |
97 |
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flast->next = fnew; |
98 |
greg |
2.5 |
param->nfield++; |
99 |
greg |
2.1 |
return(fnum); |
100 |
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} |
101 |
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102 |
greg |
2.8 |
/* Retrieve the indexed field from object (first field index is 1) */ |
103 |
greg |
2.3 |
IDF_FIELD * |
104 |
greg |
2.8 |
idf_getfield(IDF_OBJECT *param, int fn) |
105 |
greg |
2.3 |
{ |
106 |
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IDF_FIELD *fld; |
107 |
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108 |
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if ((param == NULL) | (fn <= 0)) |
109 |
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return(NULL); |
110 |
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fld = param->flist; |
111 |
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while ((--fn > 0) & (fld != NULL)) |
112 |
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fld = fld->next; |
113 |
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return(fld); |
114 |
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} |
115 |
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|
116 |
greg |
2.8 |
/* Delete the specified object from loaded IDF */ |
117 |
greg |
2.1 |
int |
118 |
greg |
2.8 |
idf_delobject(IDF_LOADED *idf, IDF_OBJECT *param) |
119 |
greg |
2.1 |
{ |
120 |
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LUENT *pent; |
121 |
greg |
2.8 |
IDF_OBJECT *pptr, *plast; |
122 |
greg |
2.1 |
|
123 |
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if ((idf == NULL) | (param == NULL)) |
124 |
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return(0); |
125 |
greg |
2.8 |
/* remove from object table */ |
126 |
greg |
2.1 |
pent = lu_find(&idf->ptab, param->pname); |
127 |
greg |
2.8 |
for (plast = NULL, pptr = (IDF_OBJECT *)pent->data; |
128 |
greg |
2.1 |
pptr != NULL; plast = pptr, pptr = pptr->pnext) |
129 |
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if (pptr == param) |
130 |
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break; |
131 |
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if (pptr == NULL) |
132 |
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return(0); |
133 |
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if (plast == NULL) |
134 |
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pent->data = (char *)param->pnext; |
135 |
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else |
136 |
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plast->pnext = param->pnext; |
137 |
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/* remove from global list */ |
138 |
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for (plast = NULL, pptr = idf->pfirst; |
139 |
greg |
2.4 |
pptr != param; plast = pptr, pptr = pptr->dnext) |
140 |
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if (pptr == NULL) |
141 |
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return(0); |
142 |
greg |
2.1 |
if (plast == NULL) |
143 |
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idf->pfirst = param->dnext; |
144 |
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else |
145 |
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plast->dnext = param->dnext; |
146 |
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if (idf->plast == param) |
147 |
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idf->plast = plast; |
148 |
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/* free field list */ |
149 |
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while (param->flist != NULL) { |
150 |
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IDF_FIELD *fdel = param->flist; |
151 |
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param->flist = fdel->next; |
152 |
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free(fdel); |
153 |
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} |
154 |
greg |
2.8 |
free(param); /* free object struct */ |
155 |
greg |
2.1 |
return(1); |
156 |
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} |
157 |
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|
158 |
greg |
2.8 |
/* Move the specified object to the given position in the IDF */ |
159 |
greg |
2.4 |
int |
160 |
greg |
2.8 |
idf_movobject(IDF_LOADED *idf, IDF_OBJECT *param, IDF_OBJECT *prev) |
161 |
greg |
2.4 |
{ |
162 |
greg |
2.8 |
IDF_OBJECT *pptr, *plast; |
163 |
greg |
2.4 |
|
164 |
|
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if ((idf == NULL) | (param == NULL)) |
165 |
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return(0); |
166 |
greg |
2.7 |
/* quick check if already there */ |
167 |
|
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if (param == (prev==NULL ? idf->pfirst : prev->dnext)) |
168 |
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return(1); |
169 |
greg |
2.4 |
/* find in IDF list, first*/ |
170 |
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for (plast = NULL, pptr = idf->pfirst; |
171 |
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pptr != param; plast = pptr, pptr = pptr->dnext) |
172 |
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if (pptr == NULL) |
173 |
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return(0); |
174 |
greg |
2.7 |
if (plast == NULL) |
175 |
greg |
2.4 |
idf->pfirst = param->dnext; |
176 |
greg |
2.7 |
else |
177 |
greg |
2.4 |
plast->dnext = param->dnext; |
178 |
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if (idf->plast == param) |
179 |
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idf->plast = plast; |
180 |
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if (prev == NULL) { /* means they want it at beginning */ |
181 |
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param->dnext = idf->pfirst; |
182 |
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idf->pfirst = param; |
183 |
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} else { |
184 |
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param->dnext = prev->dnext; |
185 |
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prev->dnext = param; |
186 |
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} |
187 |
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return(1); |
188 |
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} |
189 |
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|
190 |
greg |
2.8 |
/* Get a named object list */ |
191 |
|
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IDF_OBJECT * |
192 |
|
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idf_getobject(IDF_LOADED *idf, const char *pname) |
193 |
greg |
2.1 |
{ |
194 |
|
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if ((idf == NULL) | (pname == NULL)) |
195 |
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return(NULL); |
196 |
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|
197 |
greg |
2.8 |
return((IDF_OBJECT *)lu_find(&idf->ptab,pname)->data); |
198 |
greg |
2.1 |
} |
199 |
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|
200 |
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/* Read an argument including terminating ',' or ';' -- return which */ |
201 |
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static int |
202 |
|
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idf_read_argument(char *buf, FILE *fp, int trim) |
203 |
|
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{ |
204 |
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int skipwhite = trim; |
205 |
|
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char *cp = buf; |
206 |
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int c; |
207 |
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|
208 |
|
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while ((c = getc(fp)) != EOF && (c != ',') & (c != ';')) { |
209 |
|
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if (skipwhite && isspace(c)) |
210 |
|
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continue; |
211 |
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skipwhite = 0; |
212 |
greg |
2.2 |
if (cp-buf < IDF_MAXARGL-1) |
213 |
greg |
2.1 |
*cp++ = c; |
214 |
|
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} |
215 |
|
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if (trim) |
216 |
|
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while (cp > buf && isspace(cp[-1])) |
217 |
|
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--cp; |
218 |
|
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*cp = '\0'; |
219 |
|
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return(c); |
220 |
|
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} |
221 |
|
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|
222 |
|
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/* Read a comment, including all white space up to next alpha character */ |
223 |
|
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static void |
224 |
|
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idf_read_comment(char *buf, int len, FILE *fp) |
225 |
|
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{ |
226 |
|
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int incomm = 0; |
227 |
|
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char *cp = buf; |
228 |
|
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char dummyc; |
229 |
|
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int c; |
230 |
|
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|
231 |
|
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if ((buf == NULL) | (len <= 0)) { |
232 |
|
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buf = &dummyc; |
233 |
|
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len = 1; |
234 |
|
|
} |
235 |
greg |
2.3 |
while ((c = getc(fp)) != EOF && |
236 |
|
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(isspace(c) || (incomm += (c == '!')))) { |
237 |
|
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if (c == '\n') |
238 |
greg |
2.1 |
incomm = 0; |
239 |
|
|
if (cp-buf < len-1) |
240 |
|
|
*cp++ = c; |
241 |
|
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} |
242 |
|
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*cp = '\0'; |
243 |
|
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if (c != EOF) |
244 |
|
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ungetc(c, fp); |
245 |
|
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} |
246 |
|
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|
247 |
greg |
2.8 |
/* Read a object and fields from an open file and add to end of list */ |
248 |
|
|
IDF_OBJECT * |
249 |
|
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idf_readobject(IDF_LOADED *idf, FILE *fp) |
250 |
greg |
2.1 |
{ |
251 |
greg |
2.2 |
char abuf[IDF_MAXARGL], cbuf[IDF_MAXLINE]; |
252 |
greg |
2.1 |
int delim; |
253 |
greg |
2.8 |
IDF_OBJECT *pnew; |
254 |
greg |
2.1 |
|
255 |
|
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if ((delim = idf_read_argument(abuf, fp, 1)) == EOF) |
256 |
|
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return(NULL); |
257 |
|
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idf_read_comment(cbuf, IDF_MAXLINE, fp); |
258 |
greg |
2.8 |
pnew = idf_newobject(idf, abuf, cbuf, NULL); |
259 |
greg |
2.1 |
while (delim == ',') |
260 |
|
|
if ((delim = idf_read_argument(abuf, fp, 1)) != EOF) { |
261 |
|
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idf_read_comment(cbuf, IDF_MAXLINE, fp); |
262 |
|
|
idf_addfield(pnew, abuf, cbuf); |
263 |
|
|
} |
264 |
|
|
if (delim != ';') |
265 |
greg |
2.8 |
fputs("Expected ';' at end of object list!\n", stderr); |
266 |
greg |
2.1 |
return(pnew); |
267 |
|
|
} |
268 |
|
|
|
269 |
greg |
2.2 |
/* Upper-case string hashing function */ |
270 |
|
|
static unsigned long |
271 |
|
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strcasehash(const char *s) |
272 |
|
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{ |
273 |
|
|
char strup[IDF_MAXARGL]; |
274 |
|
|
char *cdst = strup; |
275 |
|
|
|
276 |
|
|
while ((*cdst++ = toupper(*s++))) |
277 |
|
|
if (cdst >= strup+(sizeof(strup)-1)) { |
278 |
|
|
*cdst = '\0'; |
279 |
|
|
break; |
280 |
|
|
} |
281 |
|
|
return(lu_shash(strup)); |
282 |
|
|
} |
283 |
|
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|
284 |
greg |
2.1 |
/* Initialize an IDF struct */ |
285 |
|
|
IDF_LOADED * |
286 |
|
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idf_create(const char *hdrcomm) |
287 |
|
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{ |
288 |
|
|
IDF_LOADED *idf = (IDF_LOADED *)calloc(1, sizeof(IDF_LOADED)); |
289 |
|
|
|
290 |
|
|
if (idf == NULL) |
291 |
|
|
return(NULL); |
292 |
greg |
2.2 |
idf->ptab.hashf = &strcasehash; |
293 |
|
|
idf->ptab.keycmp = &strcasecmp; |
294 |
greg |
2.1 |
idf->ptab.freek = &free; |
295 |
|
|
lu_init(&idf->ptab, 200); |
296 |
|
|
if (hdrcomm != NULL && *hdrcomm) { |
297 |
|
|
idf->hrem = (char *)malloc(strlen(hdrcomm)+1); |
298 |
|
|
if (idf->hrem != NULL) |
299 |
|
|
strcpy(idf->hrem, hdrcomm); |
300 |
|
|
} |
301 |
|
|
return(idf); |
302 |
|
|
} |
303 |
|
|
|
304 |
greg |
2.4 |
/* Add comment(s) to header */ |
305 |
|
|
int |
306 |
|
|
idf_add2hdr(IDF_LOADED *idf, const char *hdrcomm) |
307 |
|
|
{ |
308 |
|
|
int olen, len; |
309 |
|
|
|
310 |
|
|
if ((idf == NULL) | (hdrcomm == NULL)) |
311 |
|
|
return(0); |
312 |
|
|
len = strlen(hdrcomm); |
313 |
|
|
if (!len) |
314 |
|
|
return(0); |
315 |
|
|
if (idf->hrem == NULL) |
316 |
|
|
olen = 0; |
317 |
|
|
else |
318 |
|
|
olen = strlen(idf->hrem); |
319 |
|
|
if (olen) |
320 |
|
|
idf->hrem = (char *)realloc(idf->hrem, olen+len+1); |
321 |
|
|
else |
322 |
|
|
idf->hrem = (char *)malloc(len+1); |
323 |
|
|
if (idf->hrem == NULL) |
324 |
|
|
return(0); |
325 |
|
|
strcpy(idf->hrem+olen, hdrcomm); |
326 |
|
|
return(1); |
327 |
|
|
} |
328 |
|
|
|
329 |
greg |
2.1 |
/* Load an Input Data File */ |
330 |
|
|
IDF_LOADED * |
331 |
|
|
idf_load(const char *fname) |
332 |
|
|
{ |
333 |
greg |
2.4 |
char hdrcomm[256*IDF_MAXLINE]; |
334 |
greg |
2.1 |
FILE *fp; |
335 |
|
|
IDF_LOADED *idf; |
336 |
|
|
|
337 |
|
|
if (fname == NULL) |
338 |
|
|
fp = stdin; /* open file if not stdin */ |
339 |
|
|
else if ((fp = fopen(fname, "r")) == NULL) |
340 |
|
|
return(NULL); |
341 |
|
|
/* read header comments */ |
342 |
greg |
2.3 |
idf_read_comment(hdrcomm, sizeof(hdrcomm), fp); |
343 |
greg |
2.1 |
idf = idf_create(hdrcomm); /* create IDF struct */ |
344 |
|
|
if (idf == NULL) |
345 |
|
|
return(NULL); |
346 |
greg |
2.8 |
/* read each object */ |
347 |
|
|
while (idf_readobject(idf, fp) != NULL) |
348 |
greg |
2.1 |
; |
349 |
|
|
if (fp != stdin) /* close file if not stdin */ |
350 |
|
|
fclose(fp); |
351 |
|
|
return(idf); /* success! */ |
352 |
|
|
} |
353 |
|
|
|
354 |
greg |
2.8 |
/* Write a object and fields to an open file */ |
355 |
greg |
2.1 |
int |
356 |
greg |
2.8 |
idf_writeparam(IDF_OBJECT *param, FILE *fp, int incl_comm) |
357 |
greg |
2.1 |
{ |
358 |
|
|
IDF_FIELD *fptr; |
359 |
|
|
|
360 |
|
|
if ((param == NULL) | (fp == NULL)) |
361 |
|
|
return(0); |
362 |
|
|
fputs(param->pname, fp); |
363 |
|
|
fputc(',', fp); |
364 |
greg |
2.4 |
if (incl_comm) |
365 |
|
|
fputs(param->rem, fp); |
366 |
greg |
2.1 |
for (fptr = param->flist; fptr != NULL; fptr = fptr->next) { |
367 |
greg |
2.4 |
if (!incl_comm) |
368 |
greg |
2.6 |
fputs("\n ", fp); |
369 |
|
|
fputs(fptr->val, fp); |
370 |
greg |
2.1 |
fputc((fptr->next==NULL ? ';' : ','), fp); |
371 |
greg |
2.4 |
if (incl_comm) |
372 |
|
|
fputs(fptr->rem, fp); |
373 |
greg |
2.1 |
} |
374 |
greg |
2.4 |
if (!incl_comm) |
375 |
|
|
fputs("\n\n", fp); |
376 |
greg |
2.1 |
return(!ferror(fp)); |
377 |
|
|
} |
378 |
|
|
|
379 |
|
|
/* Write out an Input Data File */ |
380 |
|
|
int |
381 |
greg |
2.4 |
idf_write(IDF_LOADED *idf, const char *fname, int incl_comm) |
382 |
greg |
2.1 |
{ |
383 |
|
|
FILE *fp; |
384 |
greg |
2.8 |
IDF_OBJECT *pptr; |
385 |
greg |
2.1 |
|
386 |
|
|
if (idf == NULL) |
387 |
|
|
return(0); |
388 |
|
|
if (fname == NULL) |
389 |
|
|
fp = stdout; /* open file if not stdout */ |
390 |
|
|
else if ((fp = fopen(fname, "w")) == NULL) |
391 |
|
|
return(0); |
392 |
greg |
2.4 |
if (incl_comm) |
393 |
|
|
fputs(idf->hrem, fp); /* write header then parameters */ |
394 |
greg |
2.1 |
for (pptr = idf->pfirst; pptr != NULL; pptr = pptr->dnext) |
395 |
greg |
2.4 |
if (!idf_writeparam(pptr, fp, incl_comm>0)) { |
396 |
greg |
2.1 |
fclose(fp); |
397 |
|
|
return(0); |
398 |
|
|
} |
399 |
|
|
if (fp == stdout) /* flush/close file & check status */ |
400 |
|
|
return(fflush(fp) == 0); |
401 |
|
|
return(fclose(fp) == 0); |
402 |
|
|
} |
403 |
|
|
|
404 |
|
|
/* Free a loaded IDF */ |
405 |
|
|
void |
406 |
|
|
idf_free(IDF_LOADED *idf) |
407 |
|
|
{ |
408 |
|
|
if (idf == NULL) |
409 |
|
|
return; |
410 |
|
|
if (idf->hrem != NULL) |
411 |
|
|
free(idf->hrem); |
412 |
|
|
while (idf->pfirst != NULL) |
413 |
greg |
2.8 |
idf_delobject(idf, idf->pfirst); |
414 |
greg |
2.1 |
lu_done(&idf->ptab); |
415 |
|
|
} |