Annotation of capa/capa51/GUITools/grader.c, revision 1.2
1.2 ! albertel 1: /* interfaces to the C portions of CAPA for the grading of students
! 2: Copyright (C) 1992-2000 Michigan State University
! 3:
! 4: The CAPA system is free software; you can redistribute it and/or
! 5: modify it under the terms of the GNU Library General Public License as
! 6: published by the Free Software Foundation; either version 2 of the
! 7: License, or (at your option) any later version.
! 8:
! 9: The CAPA system is distributed in the hope that it will be useful,
! 10: but WITHOUT ANY WARRANTY; without even the implied warranty of
! 11: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 12: Library General Public License for more details.
! 13:
! 14: You should have received a copy of the GNU Library General Public
! 15: License along with the CAPA system; see the file COPYING. If not,
! 16: write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
! 17: Boston, MA 02111-1307, USA.
! 18:
! 19: As a special exception, you have permission to link this program
! 20: with the TtH/TtM library and distribute executables, as long as you
! 21: follow the requirements of the GNU GPL in regard to all of the
! 22: software in the executable aside from TtH/TtM.
! 23: */
! 24:
1.1 albertel 25: /*
26: * grader.c
1.2 ! albertel 27: * Guy Albertelli II 1996
1.1 albertel 28: */
29: #include <stdio.h>
30: #include <tk.h>
31: #include <stdlib.h>
32: #include <Capa/capaCommon.h>
33: #include <unistd.h>
34: #include <grader.h>
35:
36: extern Tcl_Interp *gInterp;
37:
38: int Grader_Init(Tcl_Interp *interp);
39:
40: int main(int argc,char **argv)
41: {
42: char * rDisplay,*q,buffer[BUFFER_SIZE];
43: char filename[BUFFER_SIZE];
44: int found=1;
45:
46: gInterp=Tcl_CreateInterp();
47: if (gInterp ==NULL)
48: {
49: fprintf(stderr,"Couldn't get a new Tcl Interp\n");
50: return -1;
51: }
52:
53: rDisplay = getenv("DISPLAY");
54:
55: if (rDisplay==NULL)
56: {
57: fprintf(stderr,"getenv for DISPLAY returned NULL\n");
58: return -2;
59: }
60:
61: if (Tcl_SetVar2 (gInterp, "env", "DISPLAY", rDisplay, TCL_GLOBAL_ONLY) == NULL)
62: {
63: fprintf(stderr,"Couldn't set env(DISPLAY) = %s\n",rDisplay);
64: return -3;
65: }
66:
67: q = Tcl_Merge(argc-1, argv+1);
68: Tcl_SetVar(gInterp, "argv", q, TCL_GLOBAL_ONLY);
69: ckfree(q);
70: sprintf(buffer, "%d", argc-1);
71: Tcl_SetVar(gInterp, "argc", buffer, TCL_GLOBAL_ONLY);
72: Tcl_SetVar(gInterp, "argv0", argv[0],TCL_GLOBAL_ONLY);
73: Tcl_SetVar(gInterp, "tcl_interactive","0", TCL_GLOBAL_ONLY);
74:
75: if (Tcl_Init(gInterp) == TCL_ERROR)
76: {
77: fprintf(stderr,"Tcl_Init error\n");
78: fprintf(stderr,"%d\n",TCL_ERROR);
79: fprintf(stderr,"%s\n",gInterp->result);
80: return -4;
81: }
82:
83: if (Tk_Init(gInterp) == TCL_ERROR)
84: {
85: fprintf(stderr,"Tk_Init error\n");
86: fprintf(stderr,"%d\n",TCL_ERROR);
87: fprintf(stderr,"%s\n",gInterp->result);
88: return -5;
89: }
90:
91: Grader_Init(gInterp);
92:
93: sprintf(filename,"./utils.tcl");
94: if( capa_access(filename, F_OK) == -1 ) {
95: sprintf(filename,"/usr/local/bin/Grader/utils.tcl");
96: if( capa_access(filename, F_OK) == -1 ) {
97: sprintf(filename,"/usr/local/lib/CAPA45/utils.tcl");
98: if( capa_access(filename, F_OK) == -1 ) {
99: sprintf(filename,"/usr/local/lib/utils.tcl");
100: if( capa_access(filename, F_OK) == -1 ) {
101: sprintf(filename,"/usr/local/lib/utils.tcl");
102: if( capa_access(filename, F_OK) == -1 ) {
103: sprintf(filename,"/usr/local/lib/CAPA45/Grader/utils.tcl");
104: if( capa_access(filename, F_OK) == -1 ) {
105: sprintf(filename,"/usr/lib/utils.tcl");
106: if( capa_access(filename, F_OK) == -1 ) { /* I gave up! */
107: found=0;
108: }
109: }
110: }
111: }
112: }
113: }
114: }
115:
116: if( found ) {
117: if (Tcl_EvalFile(gInterp, filename) != TCL_OK)
118: {
119: fprintf(stderr,"%s\n",gInterp->result);
120: return -6;
121: }
122: } else {
123: fprintf(stderr,"Unable to find utils.tcl\n");
124: exit(-7);
125: }
126:
127: sprintf(filename,"./common.tcl");
128: if( capa_access(filename, F_OK) == -1 ) {
129: sprintf(filename,"/usr/local/bin/Grader/common.tcl");
130: if( capa_access(filename, F_OK) == -1 ) {
131: sprintf(filename,"/usr/local/lib/CAPA45/common.tcl");
132: if( capa_access(filename, F_OK) == -1 ) {
133: sprintf(filename,"/usr/local/lib/common.tcl");
134: if( capa_access(filename, F_OK) == -1 ) {
135: sprintf(filename,"/usr/local/lib/common.tcl");
136: if( capa_access(filename, F_OK) == -1 ) {
137: sprintf(filename,"/usr/local/lib/CAPA45/Grader/common.tcl");
138: if( capa_access(filename, F_OK) == -1 ) {
139: sprintf(filename,"/usr/lib/common.tcl");
140: if( capa_access(filename, F_OK) == -1 ) { /* I gave up! */
141: found=0;
142: }
143: }
144: }
145: }
146: }
147: }
148: }
149: if( found ) {
150: if (Tcl_EvalFile(gInterp, filename) != TCL_OK)
151: {
152: fprintf(stderr,"%s\n",gInterp->result);
153: return -6;
154: }
155: } else {
156: fprintf(stderr,"Unable to find common.tcl\n");
157: exit(-7);
158: }
159:
160: sprintf(filename,"./grader.tcl");
161: if( access(filename, F_OK) == -1 ) {
162: sprintf(filename,"/usr/local/lib/CAPA45/grader.tcl");
163: if( access(filename, F_OK) == -1 ) {
164: sprintf(filename,"/usr/local/lib/grader.tcl");
165: if( access(filename, F_OK) == -1 ) {
166: sprintf(filename,"/usr/local/lib/CAPA45/Grader/grader.tcl");
167: if( access(filename, F_OK) == -1 ) {
168: sprintf(filename,"/usr/lib/grader.tcl");
169: if( access(filename, F_OK) == -1 ) {
170: sprintf(filename,"/usr/local/bin/Grader/grader.tcl");
171: if( access(filename, F_OK) == -1 ) { /* I gave up! */
172: found=0;
173: }
174: }
175: }
176: }
177: }
178: }
179:
180: /*
181: fprintf(stderr,"HEY STILL IN DEVELOPEMENT MODE\n");
182: if (Tcl_EvalFile(gInterp, "grader.tcl")
183: != TCL_OK)
184: {
185: fprintf(stderr,"%s\n",gInterp->result);
186: return -6;
187: }
188: */
189:
190: if( found ) {
191: if (Tcl_EvalFile(gInterp, filename) != TCL_OK)
192: {
193: fprintf(stderr,"%s\n",gInterp->result);
194: return -6;
195: }
196: while(Tcl_DoOneEvent(TCL_ALL_EVENTS));
197: } else {
198: fprintf(stderr,"Unable to find grader.tcl\n");
199: exit(-7);
200: }
201:
202: return 0;
203: }
204:
205:
206:
207:
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