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| 10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | |||
| 18 | /* Interface Macaulay2 to wims */ |
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| 19 | |||
| 20 | /*************** Customization: change values hereafter ****************/ |
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| 21 | |||
| 22 | /* limit of input/output file sizes */ |
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| 23 | #define fsizelim 131072 |
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| 24 | /* This string tells m2 to exit. */ |
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| 25 | #define quitstring "\nexit;\n" |
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| 26 | /* The way to print a string in the program. */ |
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| 27 | #define stringprinter "print(\"%s\");\n" |
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| 28 | /* This is m2 home page. To be kept up to date. */ |
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| 29 | #define homepage "http://www.math.uiuc.edu/Macaulay2/" |
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| 30 | |||
| 31 | char *nameofcmd="M2"; |
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| 32 | int precision=20; /* default */ |
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| 33 | char header[]="\ |
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| 34 | "; |
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| 35 | |||
| 36 | struct { |
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| 37 | char *wname; char *defaultval; char *setname; |
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| 38 | } setups[]={ |
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| 39 | /* {"w_m2_precision", "20", "fpprec"} |
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| 40 | */}; |
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| 41 | |||
| 42 | /* names which are not allowed */ |
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| 43 | char *illegal[]={ |
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| 44 | "exec","run","fork", |
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| 45 | "input", /* "load","needs", */ |
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| 46 | "tmpname", |
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| 47 | "getWWW", |
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| 48 | }; |
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| 49 | |||
| 50 | /* name parts which are not allowed */ |
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| 51 | char *illpart[]={ |
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| 52 | }; |
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| 53 | |||
| 54 | /***************** Nothing should need change hereafter *****************/ |
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| 55 | |||
| 56 | #define progname "m2" |
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| 57 | #include "common.h" |
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| 58 | #include "common.c" |
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| 59 | |||
| 60 | /* check for security violations in command string */ |
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| 61 | void check_parm(char *pm) |
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| 62 | { |
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| 63 | find_illegal(pm); |
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| 64 | } |
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| 65 | |||
| 66 | char *find_prompt(char *p) |
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| 67 | { |
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| 68 | char *pp=p, *pt; |
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| 69 | redo: |
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| 70 | if(*pp==0) return NULL; |
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| 71 | pp=strstr(pp,"\ni"); |
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| 72 | pt=pp; |
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| 73 | if(pp!=NULL) { |
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| 74 | pp+=2; while(isdigit(*pp)) pp++; |
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| 75 | if(*pp!=' ') goto redo; |
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| 76 | while(*pp==' ') pp++; |
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| 77 | if(*pp!=':' || *(pp+1)!=' ') goto redo; |
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| 78 | } |
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| 79 | return pt; |
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| 80 | } |
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| 81 | |||
| 82 | /* process and print m2 output */ |
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| 83 | void output(char *p) |
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| 84 | { |
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| 85 | int i,n; |
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| 86 | char *pp, *pe, *pt; |
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| 87 | |||
| 88 | pp=find_prompt(p); |
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| 89 | while(pp!=NULL && *pp!=0) { |
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| 90 | pe=find_prompt(pp+1); pp=strchr(pp+1,'\n'); |
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| 91 | if(pp==NULL) return; |
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| 92 | if(pe==NULL) pe=pp+strlen(pp); else *pe++=0; |
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| 93 | pp++; |
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| 94 | if(strlen(pp)==0) { |
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| 95 | emptyline: |
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| 96 | puts(""); pp=pe; continue; |
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| 97 | } |
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| 98 | n=strlen(pp); if(n==0) goto emptyline; |
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| 99 | /* strip leading and trailing spaces */ |
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| 100 | while(isspace(*pp) && pp<pe) pp++; |
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| 101 | pt=pp+strlen(pp)-1; |
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| 102 | while(pt>=pp && isspace(*pt)) *pt--=0; |
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| 103 | /* make every output one-line */ |
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| 104 | for(i=0;i<n;i++) { |
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| 105 | if(*(pp+i)=='\n') *(pp+i)='#'; |
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| 106 | } |
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| 107 | puts(pp); pp=pe; |
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| 108 | } |
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| 109 | } |
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| 110 | |||
| 111 | void about(void) |
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| 112 | { |
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| 113 | char *p; |
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| 114 | |||
| 115 | cmdparm=""; prepabout(quitstring,"/dev/null",outputfname); |
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| 116 | if(readabout()>0) { |
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| 117 | p=strchr(aboutbuf,'\n'); if(p!=NULL) *p=0; |
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| 118 | strip_trailing_spaces(aboutbuf); |
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| 119 | printf("<A HREF=\"%s\">%s</A>",homepage,aboutbuf); |
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| 120 | } |
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| 121 | } |
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| 122 | |||
| 123 | char *dynsetup(char *ptr, char *end) |
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| 124 | { |
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| 125 | int i; |
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| 126 | char *p, *pp; |
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| 127 | |||
| 128 | for(i=0;i<SETUP_NO;i++) { |
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| 129 | p=getenv(setups[i].wname); |
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| 130 | if(p!=NULL) for(pp=p;*pp;pp++) if(!isspace(*pp) && !isalnum(*pp)) p=""; |
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| 131 | if(p==NULL || *p==0) p=setups[i].defaultval; |
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| 132 | snprintf(ptr,end-ptr,"%s:%s;\n",setups[i].setname,p); |
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| 133 | ptr+=strlen(ptr); |
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| 134 | if(strstr(setups[i].wname,"m2_precision")!=NULL) |
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| 135 | precision=atoi(p); |
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| 136 | if(precision<0) precision=-precision; |
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| 137 | } |
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| 138 | return ptr; |
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| 139 | } |
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| 140 | |||
| 141 | int main(int argc,char *argv[]) |
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| 142 | { |
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| 143 | prepare1(); |
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| 144 | run(); |
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| 145 | return 0; |
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| 146 | } |
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| 147 |