Annotation of OpenXM/src/OpenMath/OM2OXM.java, Revision 1.15
1.1 tam 1: /**
1.15 ! tam 2: * $OpenXM: OpenXM/src/OpenMath/OM2OXM.java,v 1.14 2000/01/19 15:32:50 tam Exp $
1.1 tam 3: *
4: * $B$3$N%/%i%9$G$O0J2<$N(B BNF $B$GI=$5$l$k9=J82r@O$r<BAu$7$F$$$k(B
5: * expr -> stag [expr | immediate]* etag
6: * immediate -> INTEGER
7: * | SYMBOL
8: * stag -> '<' SYMBOL '>'
9: * etag -> '<' '/' SYMBOL '>'
10: * $B=*C<5-9f(B: INTEGER, SYMBOL, '<', '/', '>'
11: * $BHs=*C<5-9f(B: expr, stag, etag, immediate
12: * $B3+;O5-9f(B: expr
13: *
14: * $B0J2<$N4X?t$r;HMQ(B:
15: * public void send(OutputStream os); - buffer $B$K$"$k(B OX message $B$rAw?.$9$k(B.
16: * public int parse(); - $B9=J82r@O$r3+;O$9$k(B.
17: * private int parse_expr(); - parser $B$N(B expr $BItJ,(B
18: * private Attribute parse_stag(); - parser $B$N(B stag $BItJ,(B
19: * private void parse_etag(Attribute tag,int argnum); - parser $B$N(B etag $BItJ,(B
20: * private int parse_immediate(); - parser $B$N(B immediate $BItJ,(B
21: * private void parse_error(String mesg); - parser $B$N(B error $B$rI=<($7$F=*N;$9$k(B
22: * public static void main(String[] args); - main $B4X?t(B.
23: *
24: * $B0J2<$NJQ?t$r;HMQ(B:
25: * Attribute Attribute; - $B;z6g2r@O4o$r8F$S=P$7(B, $B$=$NB0@-CM$rJ]B8$7$F$*$/(B
26: * int token; - $B8=:_FI$_9~$s$G$$$k(B token $B$rJ]B8$7$F$*$/$N$K;HMQ(B.
27: * CellStack stack; - $B%;%^%s%F%#%C%/%9$N%A%'%C%/$K;H$&FbIt%9%?%C%/(B.
28: * ByteArrayOutputStream buffer; - oxasir $B$KAw?.$9$k$^$($K%G!<%?$rN/$a$F$*$/(B
29: */
30:
31: import java.io.*;
32: import java.net.*;
33: import java.util.Vector;
34: import JP.ac.kobe_u.math.tam.OpenXM.*;
35:
36: final class OM2OXM implements Runnable{
37: private PushbackInputStream is;
38: private String attribute;
39: private int token = TT_NULL;
40: private boolean lexPushbackFlag = false;
41: private OpenXM asir; // for debug
1.14 tam 42: protected boolean debug = false; // for debug message
1.1 tam 43:
44: // Token Type for lexical analyzer
45: final static int TT_NULL = 0;
46: final static int TT_String = -1;
47: final static int TT_StartTag = -2;
48: final static int TT_EndTag = -3;
49: final static int TT_SingleTag = -4;
50:
51: public void run(){ // for debug
52: //$B%5!<%PB&$+$iAw?.$5$l$?J8;zNs$r<u?.$7$^$9!#(B
53: try{
54: while(true){
55: CMO tmp;
56:
57: switch(asir.receiveOXtag()){
58: case OpenXM.OX_COMMAND:
59: asir.receiveSM();
60: break;
61:
62: case OpenXM.OX_DATA:
63: tmp = asir.receiveCMO();
1.2 tam 64: System.out.println("=> "+ CMO2OM(tmp));
1.1 tam 65: break;
66: }
67:
68: }
69: }catch(IOException e){}
70: }
71:
72: public static String CMO2OM(CMO cmo){
1.2 tam 73: return "<OMOBJ>"+ CMO2OM_sub(cmo) +"</OMOBJ>";
74: }
75:
1.9 tam 76: private static String CMO2OM_sub(CMO cmo) throws NumberFormatException{
1.1 tam 77: String ret = "";
78:
79: switch(cmo.getDISCRIMINATOR()){
80: case CMO.CMO_NULL:
81: return "<OMI>0</OMI>";
82:
83: case CMO.CMO_INT32:
84: return "<OMI>"+ ((CMO_INT32)cmo).intValue() +"</OMI>";
85:
86: // case CMO.CMO_DATUM:
87:
88: case CMO.CMO_STRING:
89: return "<OMSTR>"+ ((CMO_STRING)cmo).getString() +"</OMSTR>";
90:
1.15 ! tam 91: case CMO.CMO_LIST:
! 92: ret += "<OMA><OMS name=\"list\" cd=\"basic\"/>";
! 93: {
! 94: CMO ob[] = ((CMO_LIST)cmo).getElements();
! 95:
! 96: for(int i=0;i<ob.length;i++){
! 97: ret += CMO2OM_sub(ob[i]);
! 98: }
! 99: }
! 100: ret += "</OMA>";
! 101: return ret;
1.1 tam 102:
103: case CMO.CMO_MONOMIAL32:
104: ret += "<OMA><OMS name=\"Monom\" cd=\"poly\"/>";
1.2 tam 105: ret += CMO2OM_sub(((CMO_MONOMIAL32)cmo).getCoefficient());
1.1 tam 106: for(int i=0;i<((CMO_MONOMIAL32)cmo).getDegree().length;i++){
107: ret += "<OMI>"+ ((CMO_MONOMIAL32)cmo).getDegree()[i] +"</OMI>";
108: }
109: ret += "</OMA>";
110: return ret;
111:
112: case CMO.CMO_ZZ:
113: return "<OMI>"+ ((CMO_ZZ)cmo).BigIntValue() +"</OMI>";
114:
115: case CMO.CMO_QQ:
116: return "<OMA><OMS name=\"over\" cd=\"basic\"/>"+
1.2 tam 117: CMO2OM_sub(((CMO_QQ)cmo).getBunshi())+
118: CMO2OM_sub(((CMO_QQ)cmo).getBunbo())+
119: "</OMA>";
1.1 tam 120:
121: case CMO.CMO_ZERO:
122: return "<OMI> 0 </OMI>";
123:
124: // case CMO.CMO_DMS:
125:
126: case CMO.CMO_DMS_GENERIC:
127: ret += "<OMA><OMS name=\"PolyRing\" cd=\"poly\"/>";
1.4 tam 128: ret += "<OMI>2</OMI></OMA>";
1.1 tam 129: return ret;
130:
1.12 tam 131: case CMO.CMO_RECURSIVE_POLYNOMIAL:
132: return CMO2OM_CoefficientOfRecursivePOLYNOMIAL(((CMO_RECURSIVE_POLYNOMIAL)cmo).getPolynomial(),((CMO_RECURSIVE_POLYNOMIAL)cmo).getVariables());
133:
1.1 tam 134: case CMO.CMO_DISTRIBUTED_POLYNOMIAL:
135: ret += "<OMA><OMS name=\"DMP\" cd=\"poly\"/>";
1.2 tam 136: ret += CMO2OM_sub(((CMO_DISTRIBUTED_POLYNOMIAL)cmo).getRing());
1.1 tam 137: ret += "<OMA><OMS name=\"SDMP\" cd=\"poly\"/>";
1.2 tam 138: for(int i=0;i<((CMO_DISTRIBUTED_POLYNOMIAL)cmo).getMonomials().length;
139: i++){
140: ret += CMO2OM_sub(((CMO_DISTRIBUTED_POLYNOMIAL)cmo).getMonomials()[i]);
1.1 tam 141: }
142: ret += "</OMA></OMA>";
143: return ret;
144:
1.12 tam 145: //case CMO.CMO_POLYNOMIAL_IN_ONE_VARIABLE:
146:
1.7 tam 147: case CMO.CMO_BIGFLOAT:
148: ret += "<OMA><OMS name=\"times\" cd=\"basic\"/>";
149: ret += CMO2OM_sub(((CMO_BIGFLOAT)cmo).getSyosubu());
150: ret += "<OMA><OMS name=\"power\" cd=\"basic\"/>";
151: ret += "<OMI>2</OMI>";
152: ret += CMO2OM_sub(((CMO_BIGFLOAT)cmo).getShisubu());
153: ret += "</OMA></OMA>";
154: return ret;
155:
1.1 tam 156: case CMO.CMO_INDETERMINATE:
157: return "<OMV name=\""+ ((CMO_INDETERMINATE)cmo).getString() +"\"/>";
158:
1.10 tam 159: case CMO.CMO_TREE:
1.11 tam 160: ret += "<OMA><OMS name=\""+ ((CMO_TREE)cmo).getName() +"\" cd=\""+
1.10 tam 161: ((CMO_TREE)cmo).getCDName() +"\"/>";
1.15 ! tam 162: for(int i=0;i<((CMO_TREE)cmo).getLeaves().getElements().length;i++){
! 163: ret += CMO2OM_sub(((CMO_TREE)cmo).getLeaves().getElements()[i]);
1.10 tam 164: }
165: ret += "</OMA>";
166: return ret;
1.1 tam 167:
168: default:
1.9 tam 169: //return "<OMSTR>"+ cmo.toCMOexpression() +"</OMSTR>";
1.1 tam 170: }
1.9 tam 171:
1.10 tam 172: throw new NumberFormatException("unknown convert way:"+
173: cmo.toCMOexpression());
1.12 tam 174: }
175:
176: private static String CMO2OM_CoefficientOfRecursivePOLYNOMIAL(CMO cmo,CMO_LIST variables){
177: CMO_POLYNOMIAL_IN_ONE_VARIABLE poly;
178: String ret = "",variable;
179:
180: if(!(cmo instanceof CMO_POLYNOMIAL_IN_ONE_VARIABLE)){
181: return CMO2OM_sub(cmo);
182: }
183:
184: poly = (CMO_POLYNOMIAL_IN_ONE_VARIABLE)cmo;
1.15 ! tam 185: variable = CMO2OM_sub(variables.getElements()[poly.getVariable()]);
1.12 tam 186:
187: for(int i=0;i<poly.getDegrees().length;i++){
188: String mono;
189:
190: mono = "<OMA><OMS name=\"times\" cd=\"basic\"/>"+
191: "<OMA><OMS name=\"power\" cd=\"basic\"/>"+
192: variable +"<OMI>"+ poly.getDegrees()[i] +"</OMI></OMA>"+
193: CMO2OM_CoefficientOfRecursivePOLYNOMIAL(poly.getCoefficients()[i],
194: variables)
195: +"</OMA>";
196: if(i==0){
197: ret = mono;
198: }else{
199: ret = "<OMA><OMS name=\"plus\" cd=\"basic\"/>"+ ret + mono +"</OMA>";
200: }
201: }
202:
203: return ret;
1.1 tam 204: }
205:
206: private boolean isSpace(int ch){ // use from lex
207: return (ch==' ' || ch=='\t' || ch=='\n' || ch=='\r');
208: }
209:
210: private int skipSpace() throws IOException{ // use from lex
211: int ch;
212:
213: do{
214: ch = is.read();
215: }while(isSpace(ch));
216: is.unread(ch);
217:
218: return ch;
219: }
220:
221: private void pushbackLex(){
222: if(lexPushbackFlag){
223: System.err.println("lex pushback error!");
224: }
225: lexPushbackFlag = true;
226: }
227:
228: private int readNextToken() throws IOException{ // lexical analyzer
229: String buf = "";
230: int ch;
231:
232: if(lexPushbackFlag){
233: lexPushbackFlag = false;
234: return token;
235: }
236:
237: token = TT_NULL;
238: attribute = "";
239: skipSpace();
240: ch = is.read();
241:
242: if(ch == '<'){ // for tag
243: ch = skipSpace();
244: if(ch == '/'){
245: is.read();
246: token = TT_EndTag;
247: skipSpace();
248: }else{
249: token = TT_StartTag;
250: }
251: while((ch = is.read()) != '>' && ch != '/' && ch != -1){
252: if(isSpace(ch)){
253: if((ch = skipSpace()) != '>' && ch != '/'){
254: buf += " ";
255: }
256: continue;
257: }
258:
259: buf += Character.toUpperCase((char)ch);
260:
261: if(ch == '"'){
262: do{
263: ch = is.read();
264: buf += (char)ch;
265: }while(ch != '"' && ch != -1);
266: }
267: }
268: if(ch == '>'){ // for StartTag and EndTag
269: attribute = buf;
270: return token;
271: }else if(ch == '/'){
272: skipSpace();
273: if((ch = is.read()) == '>'){ // for SingleTag
274: attribute = buf;
275: return token = TT_SingleTag;
276: }
277: }
278: return token = TT_NULL;
279: }else if(ch != -1){
280: is.unread(ch);
281: while((ch = is.read()) != '<' && ch != -1){
1.3 tam 282: debug("debug: "+ch);
1.1 tam 283: if(isSpace(ch)){
1.5 tam 284: String spaces = String.valueOf((char)ch);
1.1 tam 285:
286: while(isSpace(ch = is.read())){
287: spaces += (char)ch;
288: }
289: if(ch != '<' && ch != -1){
290: buf += spaces;
291: }
292: is.unread(ch);
293: }else{
294: buf += (char)ch;
295: }
296: }
297: is.unread(ch);
298:
299: attribute = buf;
300: return token = TT_String;
301: }
302:
303: return token = TT_NULL;
304: }
305:
306: private boolean exceptTokenTypeInParse(int type) throws IOException{
307: // use from parse
308: if(readNextToken() != type){
309: parse_error("We expect type :'"+ type
310: +"', but we got type :'"+ token +"'("+ attribute +").");
311: }
1.3 tam 312: //debug(":"+token+":"+attribute+":"+type);
1.1 tam 313: return true;
314: }
315:
316: public CMO parse(InputStream stream) throws IOException{
317: // start -> '<OMOBJ>' object '</OMOBJ>'
318: CMO ret;
319:
320: is = new PushbackInputStream(stream);
321:
322: exceptTokenTypeInParse(TT_StartTag);
323: if(!attribute.equals("OMOBJ")){
324: parse_error("We expect '<OMOBJ>'.");
325: }
326:
327: ret = parse_object();
1.3 tam 328:
1.1 tam 329: exceptTokenTypeInParse(TT_EndTag);
330: if(!attribute.equals("OMOBJ")){
331: parse_error("We expect '</OMOBJ>'.");
332: }
333:
334: return ret;
335: }
336:
337: private CMO parse_object() throws IOException{
338: // object -> variable
339: // | '<OMI>' S? integer S? '</OMI>'
1.3 tam 340: // | '<OMSTR>' S? utf7 S? '</OMSTR>'
1.1 tam 341: // | '<OMA>' S? symbol S? objects S? '</OMA>'
342: CMO ret;
343:
344: if(readNextToken() != TT_StartTag && token != TT_SingleTag){
345: parse_error("We expect '<OMI> or '<OMA>' or '<OMV>'.");
346: }
347:
348: if(attribute.startsWith("OMV")){
349: pushbackLex();
350: ret = parse_variable();
351: }else if(attribute.equals("OMI")){
352: pushbackLex();
353: ret = parse_OMI();
1.3 tam 354: }else if(attribute.equals("OMSTR")){
355: pushbackLex();
356: ret = parse_OMSTR();
1.1 tam 357: }else if(attribute.equals("OMA")){
358: String name,cdname;
359: int argnum = 0;
360:
361: name = parse_symbol();
362:
363: if(name.equals("DMP")){
364: ret = parse_symb_DMP();
1.6 tam 365: debug("poly: "+ret);
1.15 ! tam 366: }else if(name.equals("list")){
! 367: ret = parse_objects();
1.1 tam 368: }else{
369: ret = new CMO_TREE(name,"Basic",parse_objects());
370: }
371:
372: exceptTokenTypeInParse(TT_EndTag);
373: if(!attribute.equals("OMA")){
374: parse_error("We expect '</OMA>'.");
375: }
376: }else{
377: parse_error("???");
378: ret = null;
379: }
380:
381: return ret;
382: }
383:
384: private CMO_ZZ parse_OMI() throws IOException{
385: CMO_ZZ ret;
386:
387: exceptTokenTypeInParse(TT_StartTag);
388: if(!attribute.equals("OMI")){
389: parse_error("We expect '<OMI>'.");
390: }
391:
392: ret = (CMO_ZZ)parse_integer();
393:
394: exceptTokenTypeInParse(TT_EndTag);
395: if(!attribute.equals("OMI")){
396: parse_error("We expect '</OMI>'.");
397: }
398:
399: return ret;
400: }
401:
1.3 tam 402: private CMO_STRING parse_OMSTR() throws IOException{
403: CMO_STRING ret;
404:
405: exceptTokenTypeInParse(TT_StartTag);
406: if(!attribute.equals("OMSTR")){
407: parse_error("We expect '<OMSTR>'.");
408: }
409:
410: if(readNextToken() == TT_String){
411: //ret = (CMO_STRING)parse_utf7();
412: ret = new CMO_STRING(attribute);
413: }else{
414: ret = new CMO_STRING("");
415: pushbackLex();
416: }
417:
418: exceptTokenTypeInParse(TT_EndTag);
419: if(!attribute.equals("OMSTR")){
420: parse_error("We expect '</OMSTR>'.");
421: }
422:
423: return ret;
424: }
425:
1.1 tam 426: private CMO parse_symb_DMP() throws IOException{
427: parse_object();
428: return new CMO_DISTRIBUTED_POLYNOMIAL(new CMO_DMS_GENERIC(),
429: parse_symb_SDMP());
430: }
431:
432: private CMO_MONOMIAL32[] parse_symb_SDMP() throws IOException{
433: Vector mono = new Vector();
434: CMO_MONOMIAL32[] ret;
435:
436: exceptTokenTypeInParse(TT_StartTag);
437: if(!attribute.equals("OMA")){
438: parse_error("We expect '<OMA>'.");
439: }
440:
441: if(!parse_symbol().equals("SDMP")){
442: parse_error("We expect '<SDMP>'");
443: }
444:
445: while(readNextToken() != TT_EndTag){
446: pushbackLex();
447: mono.addElement(parse_symb_Monom());
448: }
449:
450: if(!attribute.equals("OMA")){
451: parse_error("We expect '</OMA>'.");
452: }
453:
454: ret = new CMO_MONOMIAL32[mono.size()];
455: mono.copyInto((Object[])ret);
456:
457: return ret;
458: }
459:
460: private CMO_MONOMIAL32 parse_symb_Monom() throws IOException{
461: Vector degree = new Vector();
462: int[] array;
463:
464: exceptTokenTypeInParse(TT_StartTag);
465: if(!attribute.equals("OMA")){
466: parse_error("We expect '<OMA>'.");
467: }
468:
469: if(!parse_symbol().equals("Monom")){
470: parse_error("We expect '<Monom>'");
471: }
472:
473: while(readNextToken() != TT_EndTag){
474: pushbackLex();
475: degree.addElement(parse_OMI());
476: }
477:
478: if(!attribute.equals("OMA")){
479: parse_error("We expect '<OMA>'.");
480: }
481:
482: array = new int[degree.size()-1];
483: for(int i=0;i<array.length;i++){
484: array[i] = ((CMO_ZZ)degree.elementAt(i+1)).intValue();
485: }
486:
1.6 tam 487: //debug("monom: "+ new CMO_MONOMIAL32(array,(CMO_ZZ)degree.elementAt(0)));
1.1 tam 488: return new CMO_MONOMIAL32(array,(CMO_ZZ)degree.elementAt(0));
489: }
490:
1.8 tam 491: private CMO_LIST parse_objects() throws IOException{
1.1 tam 492: // $B2r@O$5$l$?(B object $B$r(B LIST $B$GJV$9(B
493: Vector objects = new Vector();
494: CMO[] array;
495:
496: while(readNextToken() != TT_EndTag){
497: pushbackLex();
498: objects.addElement(parse_object());
499: }
500: pushbackLex();
501:
502: objects.trimToSize();
503: array = new CMO[objects.size()];
504: objects.copyInto((Object[])array);
505:
1.7 tam 506: debug("debug :"+ new CMO_LIST(array));
1.1 tam 507: return new CMO_LIST(array);
508: }
509:
510: private String parse_symbol() throws IOException{
511: // symbname $B$rJV$9(B
512: String ret = "";
513: StreamTokenizer para;
514:
515: exceptTokenTypeInParse(TT_SingleTag);
516:
517: para = new StreamTokenizer(new StringReader(attribute));
518: para.resetSyntax();
519: para.wordChars('A','Z');
520: para.wordChars('a','z');
521: para.wordChars('0','9');
522: para.wordChars('\u00A0','\u00FF');
523: para.whitespaceChars('\u0000','\u0020');
524: para.quoteChar('"');
525: para.eolIsSignificant(false);
526: para.lowerCaseMode(true);
527: para.slashStarComments(false);
528: para.slashSlashComments(false);
529: para.ordinaryChar('=');
530:
531: if(para.nextToken() != StreamTokenizer.TT_WORD
532: || !para.sval.equalsIgnoreCase("OMS")){
533: parse_error("We expect '<OMS>', but '"+ para.sval +"'.");
534: }
535:
536: if(para.nextToken() != StreamTokenizer.TT_WORD){
537: parse_error("We expect 'name' or 'cd'.");
538: }
539: if(para.sval.equals("name")){
540: if(para.nextToken() != '='){
541: parse_error("We expect '='.");
542: }
543: if(para.nextToken() != '"'){
544: parse_error("We expect '\"'.");
545: }
546: ret = parse_symbname(para.sval);
547:
548: if(para.nextToken() != StreamTokenizer.TT_WORD
549: || !para.sval.equals("cd")){
550: parse_error("We expect 'cd'.");
551: }
552: if(para.nextToken() != '='){
553: parse_error("We expect '='.");
554: }
555: if(para.nextToken() != '"'){
556: parse_error("We expect '\"'.");
557: }
558: parse_cdname(para.sval);
559:
560: }else if(para.sval.equals("cd")){
561: if(para.nextToken() != '='){
562: parse_error("We expect '='.");
563: }
564: if(para.nextToken() != '"'){
565: parse_error("We expect '\"'.");
566: }
567: parse_cdname(para.sval);
568:
569: if(para.nextToken() != StreamTokenizer.TT_WORD
570: || !para.sval.equals("name")){
571: parse_error("We expect 'cd'.");
572: }
573: if(para.nextToken() != '='){
574: parse_error("We expect '='.");
575: }
576: if(para.nextToken() != '"'){
577: parse_error("We expect '\"'.");
578: }
579: ret = parse_symbname(para.sval);
580:
581: }else{
582: parse_error("We expect 'name' or 'cd'.");
583: }
584:
585: if(para.nextToken() != StreamTokenizer.TT_EOF){
586: parse_error("We expect '/>'.");
587: }
588:
589: return ret;
590: }
591:
592: private CMO parse_integer() throws IOException{
593: //Attribute integer = new Attribute(value);
594: String str;
595: int i=0;
596:
597: exceptTokenTypeInParse(TT_String);
598: str = attribute;
599:
600: if(str.charAt(i)=='-'){
601: i++;
602: }
603: if(str.length()>=i+2 && str.charAt(i)=='x'){ // for HEX
604: String strhex = str.substring(0,i) + str.substring(i+1);
605: for(i++;i<str.length();i++){
606: if("0123456789ABCDEF".indexOf((int)str.charAt(i)) == -1){
607: parse_error("We expect integer.");
608: }
609: }
610: // 10 $B?J?t$KJQ49(B
611: str = (new java.math.BigInteger(strhex,16)).toString();
612: }else if(str.length()>=i+1){ // for DEC
613: for(;i<str.length();i++){
614: if("0123456789".indexOf((int)str.charAt(i)) == -1){
615: parse_error("We expect integer.");
616: }
617: }
618: }else{
619: parse_error("We expect integer.");
620: }
621:
1.13 tam 622: debug("ZZ: "+ str);
1.1 tam 623: return new CMO_ZZ(str);
624: }
625:
626: private CMO parse_variable() throws IOException{
627: StreamTokenizer para;
628: CMO ret;
629:
630: exceptTokenTypeInParse(TT_SingleTag);
631:
632: para = new StreamTokenizer(new StringReader(attribute));
633: para.resetSyntax();
634: para.wordChars('A','Z');
635: para.wordChars('a','z');
636: para.wordChars('0','9');
637: para.wordChars('\u00A0','\u00FF');
638: para.whitespaceChars('\u0000','\u0020');
639: para.quoteChar('"');
640: para.eolIsSignificant(false);
641: para.lowerCaseMode(true);
642: para.slashStarComments(false);
643: para.slashSlashComments(false);
644: para.ordinaryChar('=');
645:
646: if(para.nextToken() != StreamTokenizer.TT_WORD
647: || !para.sval.equalsIgnoreCase("OMV")){
648: parse_error("We expect '<OMV>'.");
649: }
650:
651: if(para.nextToken() != StreamTokenizer.TT_WORD
652: || !para.sval.equals("name")){
653: parse_error("We expect 'name', but obtain '"+ para.sval +"'.");
654: }
655: if(para.nextToken() != '='){
656: parse_error("We expect '='.");
657: }
658: if(para.nextToken() != '"'){
659: parse_error("We expect '\"'.");
660: }
661: ret = new CMO_INDETERMINATE(parse_varname(para.sval));
662:
663: if(para.nextToken() != StreamTokenizer.TT_EOF){
664: parse_error("We expect '/>'.");
665: }
666:
667: return ret;
668: }
669:
670: private String parse_varname(String str){
671: String words = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
672: + "0123456789+='(),-./:?!#$%*;@[]^_`{|}";
673:
674: for(int i=0;i<str.length();i++){
675: if(words.indexOf((int)str.charAt(i))==-1){
676: parse_error("string \""+ str +"\" is not varname.");
677: }
678: }
679:
680: return str;
681: }
682:
683: private String parse_cdname(String str){
684: String alphabet = "abcdefghijklmnopqrstuvwxyz";
685: int i=0;
686:
687: if(alphabet.indexOf((int)str.charAt(i))==-1){
688: parse_error("cdname \""+ str +"\" must begin small alphabet.");
689: }
690: for(i++;i<str.length();i++){
691: if((alphabet + "0123456789_").indexOf((int)str.charAt(i))==-1){
692: parse_error("string \""+ str +"\" is not cdname.");
693: }
694: }
695:
696: return str;
697: }
698:
699: private String parse_symbname(String str) throws IOException{
700: String Alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
701: int i=0;
702:
703: if(Alphabet.indexOf((int)str.charAt(i))==-1){
704: parse_error("symbname \""+ str +"\" must begin alphabet.");
705: }
706: for(i++;i<str.length();i++){
707: if((Alphabet + "0123456789_").indexOf((int)str.charAt(i))==-1){
708: parse_error("string \""+ str +"\" is not symbname.");
709: }
710: }
711:
712: return str;
713: }
714:
1.9 tam 715: private void parse_error(String mesg) throws NumberFormatException{
716: String ret;
717:
718: ret = mesg +"\n";
719: ret += "error occuered near :";
1.1 tam 720: try{
721: for(int i=0;i<10;i++){
1.9 tam 722: ret += (char)is.read();
1.1 tam 723: }
724: }catch(IOException e){}
1.9 tam 725: ret += "\n";
726:
727: throw new NumberFormatException(ret);
1.3 tam 728: }
729:
730: private void debug(String str){
731: if(debug){
732: System.err.println(str);
733: }
1.1 tam 734: }
735:
736: public static void main(String[] argv) throws IOException{
737: OM2OXM P = new OM2OXM();
738: OpenXM asir;
739: String host = "localhost";
740: int CtrlPort = 1200,StreamPort = 1300;
741:
742: for(int i=0;i<argv.length;i++){
743: if(argv[i].equals("-h")){
744: System.out.println("");
745: System.exit(0);
746: }else if(argv[i].equals("-host")){
747: host = argv[++i];
748: }else if(argv[i].equals("-data")){
749: StreamPort = Integer.valueOf(argv[++i]).intValue();
750: }else if(argv[i].equals("-control")){
751: CtrlPort = Integer.valueOf(argv[++i]).intValue();
752: }else{
753: System.err.println("unknown option :"+ argv[i]);
754: System.exit(1);
755: }
756: }
757:
758: try{
759: asir = new OpenXM(host,CtrlPort,StreamPort);
760: asir.sendSM(new SM(SM.SM_mathcap));
761: }catch(UnknownHostException e){
762: System.err.println("host unknown.");
763: System.err.println(e.getMessage());
764: return;
765: }catch(IOException e){
766: System.err.println("connection failed.");
767: System.err.println("IOException occuer !!");
768: System.err.println(e.getMessage());
769: return;
770: }
771:
772: P.asir = asir;
773: new Thread(P).start();
774: System.out.println("start");
775:
776: try{
777: //P.value = new Attribute(System.in);
778:
779: //$B%5!<%PB&$+$iAw?.$5$l$?J8;zNs$r<u?.$7$^$9!#(B
780: while(true){
1.9 tam 781: try{
782: CMO obj = P.parse(System.in);
783: asir.send(obj);
784: asir.sendSM(new SM(SM.SM_popCMO));
785: }catch(NumberFormatException e){
786: System.err.println(e.getMessage());
787: }
1.1 tam 788: }
789:
790: }catch(IOException e){
791: e.printStackTrace();
1.9 tam 792: }finally{
793: System.out.println("breaking...");
1.1 tam 794: }
795: }
796: }
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