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Annotation of OpenXM/src/kxx/oxweave.c, Revision 1.6

1.5       takayama    1: /*&eg
                      2: \documentclass{article}
                      3: \title{On oxweave.c}
                      4: \author{} \date{}
                      5: \begin{document}
                      6: \maketitle
                      7: \section{Introduction}
                      8: */
1.1       takayama    9: /*&jp
                     10: \documentclass{jarticle}
                     11: \title{oxweave $B$N%=!<%9%3!<%I$K$D$$$F$N2r@b(B}
                     12: \author{} \date{}
                     13: \begin{document}
                     14: \maketitle
                     15: \section{$BA0=q$-(B}
                     16: */
1.6     ! takayama   17: /* $OpenXM: OpenXM/src/kxx/oxweave.c,v 1.5 1999/12/14 06:41:03 takayama Exp $ */
1.1       takayama   18: #include <stdio.h>
1.3       takayama   19:
                     20: /* Modify here to change the begin tag and EndComment. Less than 9 characters.
                     21: */
                     22: char *BeginTag0="/*\x026";  /* 0x26 = & */
                     23: char *BeginTag1="//\x026";  /* 0x26 = & */
                     24: char *EndComment0="*/";
                     25: char *EndComment1="\n";
                     26:
1.2       takayama   27: #define BSIZE 256
                     28: #define VSIZE 256
1.1       takayama   29: static int Debug = 0;
1.6     ! takayama   30: static int Debug2 = 0;
1.4       takayama   31: static int Plain = 0;
1.1       takayama   32: /*&jp \noindent
1.5       takayama   33:   $B:F5"(B option $B$r(B on $B$K$7$?>l9g(B ({\tt Recursive = 1},
                     34:   {\tt LevelState1} $B$G(B, $B0u:~$9$Y$-(B comment $B$N%M%9%H$N%l%Y%k$rI=$9(B.
                     35:   {\tt LevelState2} $B$G(B, $B:o=|$9$Y$-(B comment $B$N%M%9%H$N%l%Y%k$rI=$9(B.
                     36: */
                     37: static int Recursive = 0;
                     38: static int LevelState1 = 0;
                     39: static int LevelState2 = 0;
                     40: /*&jp \noindent
1.1       takayama   41:   {\tt Buf} $B$OI8=`=PNO$h$j$N%G!<%?$r0l;~3JG<$7$F$*$/NN0h(B.
                     42:   {\tt Head} $B$,:G=i$NJ8;z$r$5$7(B, {\tt Tail} $B$O:G8e$NJ8;z$r$5$9(B.
                     43:   {\tt Buf} $B$r%j%s%0>u$K;HMQ$9$k$N$G(B, $B%j%s%0%P%C%U%!$H$h$V(B
                     44: $B$3$H$K$9$k(B.
                     45:  */
                     46: int Buf[BSIZE];
                     47: int Head = 0;
                     48: int Tail = 0;
                     49: char *Tag = NULL;
                     50: /*&jp \noindent {\tt OutputNoTaggedSegment = 1}
1.4       takayama   51:   $B$J$i(B $B%3%a%s%H5-9f$N30$O(B verbatim $B$rMQ$$$F=PNO(B.
                     52:   {\tt --source} $B%*%W%7%g%s$G$3$NJQ?t$r(B1$B$K$G$-$k(B.
1.5       takayama   53:   {\tt --plain} $B$G$O(B,  verbatim $B$rMxMQ$;$:$K@8$G=PNO(B.
1.4       takayama   54:   */
1.1       takayama   55: int OutputNoTaggedSegment = 0;
                     56: /*&jp \noindent 1 $B$J$i%?%0$N$D$$$?>l=j$r=PNOCf(B. */
                     57: int OutputtingTaggedSegment = 0;
                     58: int BeginVerbatim = 0;
                     59:
1.3       takayama   60:
1.1       takayama   61: /*&jp \section{$B%W%m%0%i%`K\BN(B} */
                     62: main(int argc,char *argv[]) {
1.3       takayama   63:   extern char *BeginTag;
                     64:   extern char *EndComment0;
                     65:   extern char *EndComment1;
1.4       takayama   66:   extern int Plain;
1.1       takayama   67:   int c;
                     68:   int tagc,i;
                     69:   char *tagv[VSIZE];
                     70:   int tagc2;
                     71:   char *tagv2[VSIZE];
1.3       takayama   72:   int pos;
1.1       takayama   73:   Head = Tail = 0; Buf[0] = ' ';  /* initialize */
                     74:
1.4       takayama   75:   /*&jp  {\tt tagv[]} $B$K%?%0$N$"$D$^$j$r$$$l$k(B.
1.5       takayama   76:     {\tt tagv2[]} $B$KBP1~$9$k%?%0$N$*$o$j$N5-9f$r$$$l$k(B.
                     77:     */
1.3       takayama   78:   tagc = tagc2 = 0;
1.1       takayama   79:   if (argc <= 1 || argc >= VSIZE) {
                     80:     usage();
                     81:     exit();
                     82:   }else{
                     83:     for (i=1; i< argc ; i++) {
                     84:       if (strcmp(argv[i],"--source") == 0) {
1.5       takayama   85:        OutputNoTaggedSegment = 1;
                     86:       }else if (strcmp(argv[i],"--plain") == 0) {
                     87:        Plain = 1; OutputNoTaggedSegment = 1;
                     88:       }else if (strcmp(argv[i],"--recursive") == 0) {
                     89:        Recursive = 1;
1.6     ! takayama   90:       }else if (strcmp(argv[i],"--debug") == 0) {
        !            91:        Debug2 = 1;
1.3       takayama   92:       } else{
1.5       takayama   93:        if (strcmp(argv[i]," ") == 0) {
                     94:          argv[i] = "";
                     95:        }
                     96:        tagv[tagc] = (char *) malloc(sizeof(char)*(strlen(argv[i])+10));
                     97:        tagv2[tagc2] = (char *) malloc(sizeof(char)*10);
                     98:        strcpy(tagv[tagc],BeginTag0);
                     99:        strcat(tagv[tagc],argv[i]);
                    100:        tagv2[tagc] = EndComment0;
                    101:        /* $B%3%a%s%H$N$*$o$j$N5-9f(B.  */
                    102:        tagc2++;
                    103:        tagc++;
                    104:
                    105:        tagv[tagc] = (char *) malloc(sizeof(char)*(strlen(argv[i])+10));
                    106:        tagv2[tagc2] = (char *) malloc(sizeof(char)*10);
                    107:        strcpy(tagv[tagc],BeginTag1);
                    108:        strcat(tagv[tagc],argv[i]);
                    109:        tagv2[tagc] = EndComment1;
1.3       takayama  110:         tagc2++;
1.5       takayama  111:        tagc++;
1.1       takayama  112:       }
                    113:     }
                    114:   }
                    115:   /*&jp $B%W%m%0%i%`$O#3$D$N>uBV$r;}$D(B. $B>uBV(B 0 $B$O%?%0IU$-%3%a%s%H5-9f$N30(B.
1.5       takayama  116:     $B>uBV(B 1 $B$O;XDj$5$l$?%?%0$NIU$$$?%3%a%s%H$NCf(B.
                    117:     $B>uBV(B 2 $B$O;XDj$5$l$F$$$J$$%?%0$NIU$$$?%3%a%s%H$NCf(B
                    118:     ($B>uBV#2$K$"$k$H$-$O0u:~$5$l$J$$(B.) */
1.1       takayama  119:   /*
1.5       takayama  120:     state 0  -- / * & jp  --->  state 1
                    121:     if ( BeginVerbatim & OutputNoTaggedSegment ) end-verbatim
                    122:     <---  * /    ---   state 1
                    123:     if ( OutputNoTaggedSegment ) begin-verbatim
                    124:
                    125:     state 0  -- / * & unknown  --->  state 2
                    126:     <---  * /    ---   state 2
                    127:
                    128:     state 0  & OutputNoTaggedSegment  ==> putchar()
                    129:     state 1                           ==> putchar()
                    130:     state 2                           ==> skip
                    131:     */
1.1       takayama  132:   while (notEOF()) {
1.3       takayama  133:     /* We are in the state 0. */
                    134:     pos = findNextTag(tagc,tagv,tagc2,tagv2);
1.5       takayama  135:     /* printf(" ===pos=%d=== ",pos); */
1.3       takayama  136:     /* We are in the state 1. */
                    137:     findEndTag(tagc2,tagv2,pos);
1.1       takayama  138:   }
                    139:   if (BeginVerbatim) {
1.4       takayama  140:     if (!Plain) printf("\n\\end{verbatim\x07d}\n");
1.1       takayama  141:   }
                    142:   exit(0);
                    143: }
                    144:
                    145: /*&jp \noindent $B<!$N4X?t$OMxMQK!$rI=<($9$k(B. */
                    146: usage() {
1.5       takayama  147: #include "oxweaveUsage.h"
1.1       takayama  148: }
                    149:
                    150: #define inc(a) ((a+1) % BSIZE)
                    151: /*&jp \noindent {\tt wread()} $B$O(B $BI8=`F~NO$h$j$N%G!<%?$rFI$a$k$@$1(B
1.5       takayama  152: $B%j%s%0%P%C%U%!(B {\tt Buf} $B$XFI$_9~$`(B.*/
1.1       takayama  153: wread() {
                    154:   int c,i;
                    155:   static int eof = 0;
                    156:   if (eof) return(-1);
                    157:   while (inc(Tail) != Head) {
                    158:     c = getchar();
                    159:     Tail = inc(Tail);
                    160:     Buf[Tail] = c;
                    161:     if (c == EOF) { eof = 1; return(-1); }
                    162:   }
                    163:   if (Debug == 1) {
                    164:     fprintf(stderr,"[Head=%d, Tail=%d, ",Head,Tail);
                    165:     for (i = Head; inc(i) != Tail; i = inc(i)) {
                    166:       fprintf(stderr,"%c",Buf[i]);
                    167:     }
                    168:     fprintf(stderr,"]\n");
                    169:   }
                    170:   return(0);
                    171: }
                    172:
                    173: /*&jp \noindent {\tt wgetc(p)} $B$O(B
                    174: {\tt p} $BJ8;zFI$_9~$s$G:G8e$N(B 1 $BJ8;z$N%"%9%-!<%3!<%I$rLa$9(B.
                    175:  */
                    176: int wgetc(int p) {
                    177:   int c;
                    178:   int i;
                    179:   wread();
                    180:   if (p < 1) p = 1;
                    181:   for (i=0; i<p; i++) {
                    182:     c = Buf[Head];
                    183:     if (c == EOF) return(c);
                    184:     Head = inc(Head);
                    185:     wread();
                    186:   }
                    187:   return(c);
                    188: }
                    189:
1.5       takayama  190: /*&jp  \noindent {\tt findNextTag()} $B$O<!$N(B {\tt / *\&} $B$J$k%?%0$r$5$,$9(B.
                    191:    ( $B$3$l$O(B, {\tt BeginTag0} $B$NCM$rJQ$($k$HJQ99$G$-$k(B.)
1.1       takayama  192:   {\tt OutputNoTaggedSegment} $B$,(B 1 $B$J$i%G!<%?$r$=$N$^$^$J$,$9(B.
                    193:   $BL5;k$9$Y$-%?%0$N$H$-$O(B, $B%?%0FbIt$r%9%-%C%W$7$?$N$A(B
                    194:   {\tt findNextTag} $B$r:F5"E*$K8F$V(B.
                    195:   */
                    196: findNextTag(int tagc, char *tagv[],int tagc2,char *tagv2[]) {
                    197:   int i;
                    198:   int c,d;
1.3       takayama  199:   extern char *BeginTag0;
                    200:   extern char *BeginTag1;
1.1       takayama  201:   do {
                    202:     for (i=0; i<tagc; i++) {
1.3       takayama  203:       /* fprintf(stderr,"\nChecking %s : ",tagv[i]); */
1.1       takayama  204:       if (wcmp(tagv[i]) == 0) {
1.5       takayama  205:        LevelState1++;
                    206:        /* fprintf(stderr," : matched."); */
                    207:        wgetc(strlen(tagv[i])+1);
                    208:        if (OutputNoTaggedSegment == 1 && BeginVerbatim == 1) {
                    209:          BeginVerbatim = 0;
                    210:          if (!Plain) printf("\\end{verbatim\x07d}\n");
                    211:        }
                    212:        OutputtingTaggedSegment = 1;
                    213:        return(i);  /* Now, state is 1. */
1.1       takayama  214:       }
                    215:     }
1.5       takayama  216:     /*&jp {\tt / *\&} $B$@$1$I$I$N%?%0$K$b0lCW$7$J$$(B */
1.3       takayama  217:     if (wcmp(BeginTag0) == 1) {
1.5       takayama  218:       LevelState2++;
1.3       takayama  219:       wgetc(strlen(BeginTag0));
1.1       takayama  220:       while ((d=wgetc(1)) > ' ') ;
                    221:       /* We are in the state 2. */
1.3       takayama  222:       skipToEndTag(tagc2,tagv2,0);
1.1       takayama  223:       /* We are in the state 0. */
1.3       takayama  224:       return(findNextTag(tagc,tagv,tagc2,tagv2));
                    225:     }else if (wcmp(BeginTag1) == 1) {
1.5       takayama  226:       LevelState2++;
1.3       takayama  227:       wgetc(strlen(BeginTag1));
                    228:       while ((d=wgetc(1)) > ' ') ;
                    229:       /* We are in the state 2. */
                    230:       skipToEndTag(tagc2,tagv2,1);
                    231:       /* We are in the state 0. */
                    232:       return(findNextTag(tagc,tagv,tagc2,tagv2));
1.1       takayama  233:     }
                    234:     /* We are in the state 0 */
                    235:     c = wgetc(1);
                    236:     if (OutputNoTaggedSegment) {
1.4       takayama  237:       if (c != EOF) putchar(c);
1.1       takayama  238:     }
                    239:   }while( c!= EOF);
                    240:   if (BeginVerbatim == 1) {
1.4       takayama  241:     if (!Plain) printf("\n\\quad\n\\end{verbatim\x07d}\n");
1.1       takayama  242:   }
                    243:   exit(0);
                    244: }
                    245:
1.5       takayama  246: /*&jp  \noindent {\tt findEndTag()} $B$O<!$N(B {\tt * /} $B$J$k%?%0$r$5$,$9(B.
                    247:        ( $B$3$l$O(B, EndComment0 $B$NCM$rJQ$($k$HJQ992DG=(B. )
                    248:       {\tt / /} $B$G;O$^$k>l9g$O(B, 0xa $B$,$*$o$j(B.
1.1       takayama  249: */
1.3       takayama  250: findEndTag(int tagc,char *tagv[],int rule) {
1.1       takayama  251:   int i;
                    252:   int c;
                    253:   /* We are in the state 1. */
                    254:   do {
1.3       takayama  255:     i = rule;
                    256:     if (wcmp(tagv[i]) == 0) {
1.5       takayama  257:       LevelState1--;
1.6     ! takayama  258:       if (Debug2) printf("[LevelState1=%d by end of comment in the state 1.]\n",LevelState1);
1.5       takayama  259:       if (LevelState1 > 0 && Recursive) {
                    260:        wgetc(strlen(tagv[i]));
                    261:        printf("%s",tagv[i]);
                    262:        return(findEndTag(tagc,tagv,rule));
                    263:       }else{
                    264:        wgetc(strlen(tagv[i]));
                    265:        if (strcmp(tagv[i],"\n")==0) putchar('\n');
                    266:        OutputtingTaggedSegment = 0;
                    267:        if (OutputNoTaggedSegment) {
                    268:          if (!Plain) printf("\n{\\footnotesize \\begin{verbatim}\n");
                    269:          BeginVerbatim = 1;
                    270:        }
                    271:        return;                 /* Our state is 0. */
1.1       takayama  272:       }
                    273:     }
                    274:     /* Our state is 1. */
1.5       takayama  275:     if (wcmp("/*") >= 0 ) {
                    276:       LevelState1++;
1.6     ! takayama  277:       if (Debug2) printf("[LevelState1++=%d by / * in state 1.]\n",LevelState1);
1.5       takayama  278:     }
1.1       takayama  279:     c = wgetc(1);
                    280:     putchar(c);
                    281:   }while( c!= EOF);
                    282:   fprintf(stderr,"findEndTag: unexpected EOF.\n");
                    283:   irregularExit();
                    284: }
                    285:
1.3       takayama  286: skipToEndTag(int tagc,char *tagv[],int rule) {
                    287:   int i;
                    288:   int c;
                    289:   extern char *EndComment0;
                    290:   extern char *EndComment1;
                    291:   /* our state is 2. */
                    292:   do {
                    293:     if (rule == 0) {
                    294:       if (wcmp(EndComment0) == 0) {
1.5       takayama  295:        LevelState2--;
                    296:        if (LevelState2 > 0 && Recursive) {
                    297:          wgetc(strlen(EndComment0));
                    298:          return(skipToEndTag(tagc,tagv,rule));
                    299:        }else{
                    300:          wgetc(strlen(EndComment0));
                    301:          return;  /* our state is 0. */
                    302:        }
1.3       takayama  303:       }
                    304:     }else if (rule == 1) {
                    305:       if (wcmp(EndComment1) == 0) {
1.5       takayama  306:        LevelState2--;
                    307:        if (LevelState2 > 0 && Recursive) {
                    308:          wgetc(strlen(EndComment0));
                    309:          return(skipToEndTag(tagc,tagv,rule));
                    310:        }else{
                    311:          wgetc(strlen(EndComment1));
                    312:          return;  /* our state is 0. */
                    313:        }
1.3       takayama  314:       }
                    315:     }else{
                    316:       for (i=0; i<tagc; i++) {
1.5       takayama  317:        if (wcmp(tagv[i]) == 0) {
                    318:          LevelState2--;
                    319:          if (LevelState2 > 0 && Recursive) {
                    320:            wgetc(strlen(EndComment0));
                    321:            return(skipToEndTag(tagc,tagv,rule));
                    322:          }else{
                    323:            wgetc(strlen(tagv[i]));
                    324:            return;  /* our state is 0. */
                    325:          }
                    326:        }
1.3       takayama  327:       }
                    328:
                    329:     }
                    330:     /* our state is 2. */
1.5       takayama  331:     if (wcmp("/*") >= 0) LevelState2++;
1.1       takayama  332:     c = wgetc(1);
                    333:   }while( c!= EOF);
                    334:   fprintf(stderr,"findEndTag: unexpected EOF.\n");
                    335:   irregularExit();
                    336: }
                    337:
                    338: /*&jp \noindent {\tt wcmp(s)} $B$OJ8;zNs(B {\tt s} $B$H(B {\tt Buf[Head]} $B$+$i(B
                    339: $B$O$8$^$kJ8;zNs$rHf3S$9$k(B.
                    340: {\tt Buf[Head+strlen(s) % BSIZE]} $B$,(B 0x20 $B0J2<$G$"$j(B, $B$"$H$N%P%$%H$,(B
                    341: $B0lCW$9$l$P(B 0 $B$rLa$9(B.
                    342: $B$"$H$N%P%$%H$,(B 0x20 $B0J2<$G$J$$$,(B, $B$=$NB>$N%P%$%H$,0lCW$9$k$H$-$O(B
                    343: 1 $B$rLa$9(B.
                    344: $B0J>eFs$D$N>l9g$K9gCW$7$J$$>l9g$O(B -1 $B$rLa$9(B.
1.4       takayama  345: {\tt s} $B$,(B 0xa,0 $B$N$H$-$O(B, Buf[Head] $B$,(B 0xa $B$J$i(B, 0 $B$rLa$9(B.
                    346: $B$=$&$G$J$$$J$i(B, -1 $B$rLa$9(B.
1.1       takayama  347: */
                    348: wcmp(char *s) {
                    349:   int n;
                    350:   int i,j;
                    351:   wread();
                    352:   if (Debug == 2) fprintf(stderr,"[Checking %s]\n",s);
1.4       takayama  353:   if (strcmp(s,"\n") == 0) {
1.5       takayama  354:     if (s[0] == Buf[Head]) return(0);
                    355:     else return(-1);
1.4       takayama  356:   }
1.1       takayama  357:   n = strlen(s);
                    358:   j = Head;
                    359:   for (i=0; i<n; i++) {
                    360:     if (s[i] != Buf[j]) return(-1);
                    361:     j = inc(j);
                    362:   }
                    363:   if (Buf[j] <= ' ') {
                    364:     if (Debug == 2) fprintf(stderr,"[Matched %s]\n",s);
                    365:     return(0);
                    366:   } else return(1);
                    367: }
                    368:
                    369: notEOF() {
                    370:   wread();
                    371:   if (Buf[Head] != -1) return(1);
                    372:   else return(0);
                    373: }
                    374:
                    375: irregularExit() {
                    376:   if (BeginVerbatim == 1) {
1.4       takayama  377:     if (!Plain) printf("\\end{verbatim\x07d}\n");
1.1       takayama  378:   }
                    379:   exit(-1);
                    380: }
                    381:
1.5       takayama  382:
1.1       takayama  383: /*&jp
1.5       takayama  384: \end{document}
                    385: */
                    386: /*&eg
1.1       takayama  387: \end{document}
                    388: */
                    389:
                    390:
                    391:
                    392:

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