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Annotation of OpenXM/src/cfep/MyOpenGLCommand.m, Revision 1.2

1.1       takayama    1: //
                      2: //  MyOpenGLCommand.m
                      3: //  cfep
                      4: //
                      5: //  Created by Nobuki Takayama on 06/02/18.
                      6: //  Copyright 2006 OpenXM.org. All rights reserved.
                      7: //
                      8:
                      9: #import "MyOpenGLCommand.h"
                     10: #define min(a,b) (a>b?b:a)
                     11:
                     12:
                     13: @implementation MyOpenGLCommand
                     14: -(id)init {
                     15:   int i;
                     16:   command = nil;
                     17:   opCode = -1;
                     18:   endGroup = NO;
                     19:   for (i=0; i<4; i++) f4[i] = 0.0;
                     20:   for (i=0; i<4; i++) i4[i] = 0;
                     21:   return self;
                     22: }
                     23: -(void) dealloc {
                     24:   if (argv) [argv autorelease];
                     25: }
                     26: -(void)print {
                     27:   int i;
                     28:   NSLog(@"command=%s, opCode=%d, [",command,opCode);
                     29:   for (i=0; i<4; i++) NSLog(@"%f,",f4[i]);
                     30:   NSLog(@"; ");
                     31:   for (i=0; i<4; i++) NSLog(@"%d,",i4[i]);
                     32:   NSLog(@"]\n");
                     33: }
                     34: +(MyOpenGLCommand *)allocAndCompile: (NSString *)cmd by: (id) sender {
                     35:   MyOpenGLCommand *c;
                     36:   c=[[MyOpenGLCommand alloc] init];
                     37:   [c autorelease];
                     38:   return [c compile: cmd by: sender];
                     39: }
                     40: -(BOOL) isEndGroup {
                     41:   return endGroup;
                     42: }
                     43: -(MyOpenGLCommand *) compile: (NSString *)cmd by: (id) sender {
                     44:    // parse cmd and set opCode and f4[].  opCode starts with CFEPgl.
                     45:    // Interpreter code is in MyOpenGLView.m with the name execute:
                     46:    NSArray *a;
                     47:    NSString *s;
                     48:    NSString *errmsg;
                     49:    id x;
                     50:    int fargc, iargc;
                     51:    int i,n,ii;
                     52:    double f;
                     53:
                     54:    a = [MyUtil arrayOfStringFrom: cmd]; //"[glColor4f,1.0,1.0,0.0,1.0]" -> array of [NSString, MyFloat, MyFloat,..]
                     55:    [a retain]; argv = a;
                     56:    n = [a count];
                     57:    fargc = 0; iargc = 0;
                     58:    // for (i=0; i<n; i++) { NSLog(@"%@,",[a objectAtIndex: i]); }
                     59:    if (n == 0) return nil;
                     60:    x = [a objectAtIndex: 0];
                     61:    if ([x isKindOfClass: [NSString class]] == YES) s = x;  // isMemberOfClass does not work. ??
                     62:    else {
                     63:      NSLog(@"NSString is exected.\n");
                     64:         s = @"";
                     65:    }
                     66:    if ([s compare: @"glBegin"] == NSOrderedSame) {
                     67:        opCode = CFEPglBegin;  fargc = 0; iargc = 1;  endGroup = NO;
                     68:
                     69:    }else if ([s compare: @"glColor4f"] == NSOrderedSame) {
                     70:        opCode = CFEPglColor4f;  fargc = 4; iargc = 0;  endGroup = NO;
                     71:
                     72:    }else if ([s compare: @"glEnd"] == NSOrderedSame) {
                     73:        opCode = CFEPglEnd;  fargc = 0; iargc = 0;  endGroup = YES;
                     74:
                     75:    }else if ([s compare: @"glRectf"] == NSOrderedSame) {
                     76:        opCode = CFEPglRectf;    fargc = 4; iargc = 0; endGroup = YES;
                     77:
                     78:    }else if ([s compare: @"glVertex3f"] == NSOrderedSame) {
                     79:        opCode = CFEPglVertex3f;    fargc = 3; iargc = 0; endGroup = NO;
                     80:
                     81:    }else if ([s compare: @"glib_line"] == NSOrderedSame) {
                     82:        opCode = CFEPglib_line;    fargc = 4; iargc = 1; endGroup = YES;
                     83:
                     84:    }else if ([s compare: @"glib_putpixel"] == NSOrderedSame) {
                     85:        opCode = CFEPglib_putpixel;    fargc = 2; iargc = 1; endGroup = YES;
                     86:
                     87:    }else if ([s compare: @"glib_flush"] == NSOrderedSame) {
                     88:        opCode = CFEPglib_flush;    fargc = 0; iargc = 0;   endGroup = YES;
                     89:
                     90:    }else if ([s compare: @"glib3_bounding_box"] == NSOrderedSame) {
                     91:        opCode = CFEPglib3_bounding_box;    fargc = 1; iargc = 0;   endGroup = YES;
                     92:
                     93:    }else if ([s compare: @"glib3_ray_init"] == NSOrderedSame) {
                     94:        opCode = CFEPglib3_ray_init;    fargc = 0; iargc = 0;   endGroup = YES;
                     95:
                     96:    }else if ([s compare: @"glib3_ray_reshape"] == NSOrderedSame) {
                     97:        opCode = CFEPglib3_ray_reshape;    fargc = 0; iargc = 0;   endGroup = YES;
                     98:
                     99:    }else if ([s compare: @"glib3_ray"] == NSOrderedSame) {
                    100:        opCode = CFEPglib3_ray;    fargc = 0; iargc = 0;   endGroup = YES;
                    101:        [sender output: @"Ray by David Bucciarelli. (MesaDemo, GPL)"];
                    102:
                    103:    }else if ([s compare: @"glib3_std_scene0"] == NSOrderedSame) {
                    104:        opCode = CFEPglib3_std_scene0;    fargc = 0; iargc = 0;   endGroup = YES;
                    105:        [sender output: @"glib3_std_scene0(0,0,2) using glFrustum"];
                    106:
                    107:    }else if ([s compare: @"glib3_icosahedron"] == NSOrderedSame) {
                    108:        opCode = CFEPglib3_icosahedron;    fargc = 0; iargc = 0;   endGroup = YES;
                    109:        [sender output: @"Icosahedron"];
                    110:
                    111:    }else {
                    112:     NSLog(@"Undefined command=<%@>\n",s);
                    113:        errmsg = [NSString stringWithFormat: @"Undefined command=<%@>",s];
                    114:        [sender output: errmsg];
                    115:     return nil;
                    116:    }
                    117:    // Format glxxxpfqi  fargc=p, iargc=q.  Example: glxxx4f1i, 0.1,0.2,0.3,0.4,34
                    118:    if (fargc > 0) {
                    119:        for (i=1; i< min(n,fargc+1); i++) {
                    120:            x = [a objectAtIndex: i];
                    121:         if ([x isMemberOfClass: [MyFloat class]] == YES) f = [x getFValue];
                    122:                else {
                    123:                  NSLog(@"float is exected.\n");
                    124:                  f = 0.0;
                    125:                }
                    126:                if (i-1 < 4) f4[i-1] = f;
                    127:        }
                    128:    }
                    129:    if (iargc > 0) {
                    130:        for (i=1+fargc; i< min(n,fargc+iargc+1); i++) {
                    131:            x = [a objectAtIndex: i];
                    132:         if ([x isMemberOfClass: [MyInt class]] == YES) ii = [x getIValue];
                    133:                else {
                    134:                  ii = 0;
                    135:                  NSLog(@"int is exected.\n");
                    136:                }
                    137:                if (i-1-fargc < 4) i4[i-1-fargc] = ii;
                    138:        }
                    139:    }
                    140:    return self;
                    141: }
                    142:
                    143: -(int) getOpCode { return opCode; }
                    144: -(double *)getF4 { return f4; }
                    145: -(int *) getI4 { return i4; }
                    146: -(NSArray *)getArgv { return argv; }
                    147:
                    148:
                    149: @end
                    150:
                    151: /* Code to test MyFloat put in compile:
                    152:    MyFloat *x;
                    153:    NSLog(@"member test.\n"
                    154:    x = [MyFloat allocWith: 1.0];
                    155:    if ([x isMemberOfClass: [MyFloat class]] == YES) NSLog(@"[x class] is MyFloat\n");
                    156:    if ([x isMemberOfClass: [MyInt class]] == YES) NSLog(@"[x class] is MyInt\n");
                    157: */
                    158: @implementation MyFloat
                    159: +(MyFloat *)allocWith: (float) f {
                    160:    MyFloat *ff;
                    161:    ff=[MyFloat alloc];
                    162:    [ff setFValue: f];
                    163:    return ff;
                    164: }
                    165: -(void) setFValue: (float) f { fValue = f; }
                    166: -(float) getFValue { return fValue; }
                    167: -(NSString *)description { return [NSString stringWithFormat: @"(float)%f",fValue]; }
                    168: @end
                    169:
                    170: @implementation MyInt
                    171: +(MyInt *)allocWith: (int) i {
                    172:   MyInt *ii;
                    173:   ii=[MyInt alloc];
                    174:   [ii setIValue: i];
                    175:   return ii;
                    176: }
                    177: -(void) setIValue: (int) i { iValue = i; }
                    178: -(int) getIValue { return iValue; }
                    179: -(NSString *)description { return [NSString stringWithFormat: @"(int)%d",iValue]; }
                    180: @end
                    181:
                    182: #define SMAX  0x1000   //4096*16
                    183: @implementation MyUtil
                    184: static int debugMyUtil = 0;
                    185: +(void) setDebugMyUtil {
                    186:   if (debugMyUtil) debugMyUtil = 0;
                    187:   else debugMyUtil = 1;
                    188: }
                    189: +(NSMutableArray *) arrayOfStringFrom: (NSString *) args {
                    190:   int n,i,k,type;
                    191:   unichar c;
                    192:   unichar s[SMAX];
                    193:   NSMutableArray *a; // for debug
                    194:   NSMutableArray *aa;
                    195:   NSString *ss;
                    196:   int status,level;
                    197:   status = -1; level = 0; type = 0;
                    198:   n = [args length];
                    199:   if (n >= SMAX-1) {
                    200:     NSLog(@"Too big string for stringToArrayOfString.\n");
                    201:     return nil;
                    202:   }
                    203:   a = [NSMutableArray arrayWithCapacity: 1];
                    204:   aa = [NSMutableArray arrayWithCapacity: 1];
                    205:   for (i=0, k=0; i<n; i++) {
                    206:     c = [args characterAtIndex: i];
                    207:        if (level == 0) {
                    208:                switch (status) {  // See my note on 2006-02-20.
                    209:                case -1:
                    210:                        if ( c == '[') { k=0; status=0;}
                    211:                        break;
                    212:                case 0:
                    213:                        if ( c == '[') {
                    214:                                k = 0; s[k] = c; k++; status = 1; type = 1; // type 1 : list
                    215:                        } else if (c == ',') {
                    216:                        } else if (c == '(') {
                    217:                           k=0; status = 21; type=0;  //ex. (int)
                    218:                    } else if ((('A' <= c) && (c <= 'Z')) || (('a' <= c) && (c <= 'z'))) {
                    219:                           k=0; status = 2; type=3; s[k] = c; k++;      // type -1 : string.
                    220:                        } else if (c > ' ') {
                    221:                                k=0; status = 2; type=0; s[k] = c; k++;     // type 0 : float
                    222:                        } else if (c == ']') status = -1;
                    223:                        break;
                    224:                case 2:
                    225:                        if ((c == ',') || (c == ']')) {
                    226:                           if (c == ',') status = 0; else status = -1;
                    227:                if (k > 0) ss = [NSString stringWithCharacters: s length: k];
                    228:                           else ss = @"";
                    229:                           [a addObject: ss];
                    230:                           if (type == 2) [aa addObject: [MyInt allocWith: [ss intValue]]];
                    231:                           else if (type == 0) [aa addObject: [MyFloat allocWith: [ss floatValue]]];
                    232:                           else [aa addObject: ss];
                    233:                        }else{
                    234:                                s[k] = c; k++;
                    235:                        }
                    236:                        break;
                    237:                case 1:
                    238:                        if (c == '[') {
                    239:                           s[k] = c; k++;
                    240:                           level++;
                    241:                        }else if (c == ']') {
                    242:                           s[k] = ']'; k++;
                    243:                           if (k > 0) ss = [NSString stringWithCharacters: s length: k];
                    244:                           else ss = @"";
                    245:                           [a addObject: ss];
                    246:                           [aa addObject: [MyUtil arrayOfStringFrom: ss]];
                    247:                           status = 0;
                    248:                        }else {
                    249:                           s[k] = c; k++;
                    250:                        }
                    251:                        break;
                    252:                case 21:
                    253:             if (c == ')') {
                    254:                          if ((s[0] == 'i') && (s[1] == 'n') && (s[2] == 't')) type=2;
                    255:                          else type = 0;
                    256:                          status = 2; k = 0; // starting to read data.
                    257:                        }else if (c > ' ') {
                    258:                          s[k] = c; k++;
                    259:                        }
                    260:                        break;
                    261:                }
                    262:        }else if (level > 0) {
                    263:            s[k] = c; k++;
                    264:                if (c == '[') level++;
                    265:                else if (c == ']') level--;
                    266:        }
                    267:   }
                    268:   if (debugMyUtil) {
                    269:     NSLog(@"a=%@\n",a);
                    270:     NSLog(@"aa=%@\n",aa);
                    271:   }
                    272:   return aa;
                    273: }
                    274:
                    275: /*
                    276:    NSLog(@"mytest=%@\n",[MyUtil arrayOfStringFrom: @"[]"]);
                    277:    NSLog(@"mytest=%@\n",[MyUtil arrayOfStringFrom: @"[1,[]]"]);
                    278:    NSLog(@"mytest=%@\n",[MyUtil arrayOfStringFrom: @"[1,2,[3,4],5]"]);
                    279:    NSLog(@"mytest=%@\n",[MyUtil arrayOfStringFrom: @" [1, 2,3, 4,5]"]);
                    280:    NSLog(@"mytest=%@\n",[MyUtil arrayOfStringFrom: @"[[1],2,[[3,[4]]],5]"]); // There is a bug. Output is 1,2,...
                    281: */
                    282:
1.2     ! takayama  283: +(NSString *)pruneThings: (NSString *)ss {
        !           284:   int n,i, start,end;
        !           285:   unichar c;
        !           286:   unichar s[SMAX];
        !           287:   NSString *ans;
        !           288:   n = [ss length];
        !           289:   if (n >= SMAX-1) {
        !           290:     NSLog(@"Too big string for pruneThings.\n");
        !           291:     return nil;
        !           292:   }
        !           293:   start = 0; end = n-1;
        !           294:   for (i=0; i<n; i++) {
        !           295:     c = [ss characterAtIndex: i];
        !           296:        start = i;
        !           297:        if (c > 0x20) break;
        !           298:   }
        !           299:   for (i=n-1; i>=0; i--) {
        !           300:     c = [ss characterAtIndex: i];
        !           301:     end = i;
        !           302:        if (c > 0x20) break;
        !           303:   }
        !           304:   if (start > end) return nil;
        !           305:   for (i=0; i<= end-start ;  i++) {
        !           306:     s[i] = [ss characterAtIndex: (start+i)];
        !           307:        s[i+1] =0;
        !           308:   }
        !           309:   ans = [NSString stringWithCharacters: s length: (end-start+1)];
        !           310:   return ans;
        !           311: }
        !           312:
        !           313: +(id)attributedStringWithPath: (NSString *)path {
        !           314:    NSFileWrapper *theWrapper;
        !           315:    NSTextAttachment *theAttachment;
        !           316:    NSAttributedString *aStr;
        !           317:    theWrapper = [[NSFileWrapper alloc] initWithPath:  path];
        !           318:    if (!theWrapper) NSLog(@"theWrapper is nil. Path=[%@]\n",path);
        !           319:    if (!theWrapper) return nil;
        !           320:    theAttachment = [[NSTextAttachment alloc] initWithFileWrapper:theWrapper];
        !           321:    aStr = [NSAttributedString attributedStringWithAttachment:theAttachment];
        !           322:    return aStr;   // How should I do autorelease?
        !           323: }
        !           324:
        !           325:
        !           326: @end

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