コード例 #1
0
ファイル: json_parser.cpp プロジェクト: curtisai/CS585MKII
        //create a JsonPair object while pair found
		sgdm::StackGuard<JsonValue>&& JsonParser::ParsePair(){
			sgdm::StackGuard<JsonValue> pairName(new JsonName(idString));
			getNextTok();
			if(currentTok != ':'){
				return Error("Expecting :");
			}
			else{
				getNextTok(); //eat :
				sgdm::StackGuard<JsonValue> pairValue(std::move(ParsePrimary()));
				return std::move(new JsonPair(std::move(pairName),std::move(pairValue)));
			}
		}
コード例 #2
0
ファイル: json_parser.cpp プロジェクト: curtisai/CS585MKII
		//create a JsonObject object while object found
		sgdm::StackGuard<JsonValue>&& JsonParser::ParseObject(){
			if(currentTok != '{'){
				return Error("Expecting { at entity beginning");
			}
			else{
				sgdm::StackGuard<JsonValue> resObject(new JsonObject());
				getNextTok();                     //eat {
				while(currentTok != '}'){
					if(currentTok == ',')
					    getNextTok();             //eat ,
					resObject->push(std::move(ParsePair()));
				}
				getNextTok();                     //eat }
				return std::move(resObject);
			}
		}
コード例 #3
0
ファイル: json_parser.cpp プロジェクト: curtisai/CS585MKII
		//create a JsonArray object while array found
		sgdm::StackGuard<JsonValue>&& JsonParser::ParseArray(){
			if(currentTok != '['){
				return Error("Expecting [ at the beginning");
			}
			sgdm::StackGuard<JsonValue> array(new JsonArray());
			getNextTok();
			while(currentTok != ']'){
				if (currentTok == ','){
					getNextTok();
					continue;
				}
				else{
					array->push(std::move(ParsePrimary()));
				}	
			}
			getNextTok();     //eat ]
            return std::move(array);
        }
コード例 #4
0
ファイル: json_parser.cpp プロジェクト: curtisai/CS585MKII
        //top level parse function
        sgdm::StackGuard<JsonValue>&& JsonParser::ParsePrimary(){
        	switch(currentTok){
        		case tok_endl:
        		    return std::move(Error("primary fail"));
        		case tok_identifier:
        		    return std::move(ParseName());
        		case tok_integer:
        		    return std::move(ParseInteger());
        		case tok_double:
        		    return std::move(ParseDouble());
        		case '[':
        			return std::move(ParseArray(alloc));
        		case '{':
        		    return std::move(ParseObject(alloc));
        		default:
        		    return std::move(Error("unknown token found near place" + std::to_string(indexCount)));
		
		}

		sgdm::StackGuard<JsonValue>&& JsonParser::Parse(){
			getNextTok();
			return std::move(ParsePrimary(alloc));
		}
コード例 #5
0
ファイル: json_parser.cpp プロジェクト: curtisai/CS585MKII
		//create a JsonName object while string found
		sgdm::StackGuard<JsonValue>&& JsonParser::ParseName(){
			sgdm::StackGuard<JsonValue> res(new JsonName(idString));
			getNextTok();
			return std::move(res);
		}
コード例 #6
0
ファイル: json_parser.cpp プロジェクト: curtisai/CS585MKII
		//create a JsonDouble object while double found
		sgdm::StackGuard<JsonValue>&& JsonParser::ParseDouble(){
			sgdm::StackGuard<JsonValue> res(new JsonDouble(inputDouble));
			getNextTok();
			return std::move(res);
		}
コード例 #7
0
ファイル: dsi.c プロジェクト: embedthis/tools
/*
    Patch a file
 */
static int patch(char *path)
{
    struct stat sbuf;
    FILE        *ifp, *ofp, *dsiFp;
    char        dsiName[MAX_FNAME], dsiPath[MAX_FNAME];
    char        tmpFile[MAX_FNAME], saveFile[MAX_FNAME];
    char        searchPat[MAX_FNAME], truePat[MAX_FNAME], falsePat[MAX_FNAME];
    char        *dsiBuf, *cp, *ep, *start, *end, *tok, *tag, *ext, *inBuf;
    char        *startDsi, *ip;
    ssize       len, rc;
    int         c, i, level, line, patched;
    
    dsiBuf = 0;
    patched = 0;
    ifp = ofp = dsiFp = 0;

    if (*path == '.' && path[1] == '/') {
        path += 2;
    }
    if (*path == '/') {
        fprintf(stderr, "dsi: Path must be relative: %s\n", path);
        return -1;
    }

    for (level = 0, cp = path; *cp; cp++) {
        if (*cp == '/') {
            level++;
        }
    }

    if (verbose) {
        printf("Patching %s\n", path);
    }

    cp = parentDir;
    for (i = 0; i < level; i++) {
        *cp++ = '.';
        *cp++ = '.';
        *cp++ = '/';
    }
    *cp = '\0';
            
    ifp = fopen(path, "r" MPR_TEXT);
    if (ifp == 0) {
        fprintf(stderr, "dsi: Can't open %s\n", path);
        return -1;
    }
    stat(path, &sbuf);
    inBuf = (char*) malloc((int) sbuf.st_size + 1);
    rc = fread(inBuf, 1, (int) sbuf.st_size, ifp);
    if (rc < 0) {
        fprintf(stderr, "dsi: Can't read file %s\n", path);
        free(inBuf);
        return -1;
    }
    inBuf[rc] = '\0';

    sprintf(tmpFile, "%s.new", path);
    ofp = fopen(tmpFile, "w" MPR_TEXT);
    if (ofp == 0) {
        fprintf(stderr, "dsi: Can't open %s\n", tmpFile);
        goto error;
    }

    line = 0;
    for (ip = inBuf; *ip; ip++) {
        start = ip;
        if (dsiFp == 0) {
            if (*ip == '\n') {
                /* Remove duplicate new lines */
                while (ip[1] == '\n') {
                    ip++;
                }
                fputc(*ip, ofp);
                line++;
                continue;
            }
            if (*ip != '<' || ip[1] != '!' || ip[2] != '-' || ip[3] != '-') {
                fputc(*ip, ofp);
                continue;
            }

            tok = "<!-- BeginDsi \"";
            len = strlen(tok);
            if (strncmp(start, tok, strlen(tok)) == 0) {
                /*
                 *  Cleanup if file has been corrupted by HTML editors
                 */
                if (start > inBuf && start[-1] != '\n') {
                    fprintf(ofp, "\n");
                }

                startDsi = start;
                start += len - 1;

                end = getNextTok(dsiName, sizeof(dsiName), start);
                if (end == 0) {
                    fprintf(stderr, 
                        "dsi: Syntax error for DSI in %s at line %d\n", path, line);
                    goto error;
                }
                for (start = end; *start && isspace((int) *start); start++);

                /*
                    Parse any pattern match args
                        "searchPattern" "trueReplace" "falseReplace"
                 */
                if (*start == '"') {
                    start = getNextTok(searchPat, sizeof(searchPat), start);
                    start = getNextTok(truePat, sizeof(truePat), start);
                    start = getNextTok(falsePat, sizeof(falsePat), start);
                }
                if (start == 0) {
                    fprintf(stderr, "dsi: Syntax error for DSI in %s at line %d\n", path, line);
                    goto error;
                }

                for (; *start && isspace((int) *start); start++);
                end = strstr(start, "-->");
                if (end == 0) {
                    fprintf(stderr, "dsi: Missing closing comment in %s at line %d\n", path, line);
                    goto error;
                }
                c = end[3];
                end[3] = '\0';
                fprintf(ofp, "%s\n", startDsi);
                end[3] = c;

                if (dsiName[0] != '/') {
                    sprintf(dsiPath, "%s/%s", incDir, dsiName);
                } else {
                    strcpy(dsiPath, dsiName);
                }
                dsiFp = fopen(dsiPath, "r" MPR_TEXT);
                if (dsiFp == 0) {
                    fprintf(stderr, "dsi: Can't open DSI %s. Referenced in %s at line %d\n", dsiPath, path, line);
                    goto error;
                }
                stat(dsiPath, &sbuf);

                if (verbose > 1) {
                    printf("     DSI %s\n", dsiPath);
                }
                ip = &end[2];

            } else {
                fputc(*ip, ofp);
            }

        } else {
            tok = "<!-- EndDsi -->";
            len = strlen(tok);
            if (strncmp(start, tok, strlen(tok)) == 0) {
                dsiBuf = (char*) malloc((int) sbuf.st_size + 1);
                rc = fread(dsiBuf, 1, (int) sbuf.st_size, dsiFp);
                if (rc < 0) {
                    fprintf(stderr, "dsi: Can't read DSI %s\n", dsiPath);
                    return -1;
                }
                dsiBuf[rc] = '\0';
                fclose(dsiFp);
                dsiFp = 0;              
                patched++;

                if (level == 0 && 0) {
                    rc = fwrite(dsiBuf, 1, rc, ofp);

                } else {
                    for (cp = dsiBuf; *cp; ) {
                        /*
                            This is a very fragile parser. It really needs to be more flexible.
                         */

                        /*
                            <a href=
                            <link .... href=
                         */
                        if (matchLink(ofp, " href=\"", &cp)) {
                            continue;
                        } 
                        if (matchLink(ofp, "\thref=\"", &cp)) {
                            continue;
                        } 

                        /*
                            <img src=
                            <script ... src=
                         */
                        if (matchLink(ofp, " src=\"", &cp)) {
                            continue;
                        } 
                        if (matchLink(ofp, "\tsrc=\"", &cp)) {
                            continue;
                        } 

                        /*
                            <form ... action=
                         */
                        if (matchLink(ofp, "action=\"", &cp)) {
                            continue;
                        } 

                        /*
                            _ROOT_ = "
                         */
                        if (matchLink(ofp, "_ROOT_=\"", &cp)) {
                            continue;
                        } 

                        /*
                            Special _DSI_ pattern editing
                         */
                        tag = "_DSI_";
                        len = strlen(tag);
                        if (strncmp(cp, tag, len) == 0) {
                            cp += len - 1;
                            ep = strchr(cp, '"');
                            if (strncmp(cp, searchPat, strlen(searchPat)) == 0){
                                fprintf(ofp, "%s\"", truePat);

                            } else {
                                fprintf(ofp, "%s\"", falsePat);
                            }
                            cp = ep + 1;
                            continue;
                        }

                        /*
                            Javascript patches
                         */
                        ext = strchr(dsiPath, '.');
                        if (ext && strcmp(ext, ".js") == 0) {
                            /*
                                = / *DSI* / "
                             */
                            if (matchLink(ofp, "= /*DSI*/ \"", &cp)) {
                                continue;
                            } 

                            /*
                                src = '
                             */
                            if (matchLink(ofp, "src == '", &cp)) {
                                continue;
                            } 
                        }

                        fputc(*cp, ofp);
                        cp++;

                    }
                }
                fprintf(ofp, "%s", tok);
                ip = &start[strlen(tok)];
                
                /*
                    Cleanup if file has been corrupted by HTML editors
                 */
                if (ip[1] != '\0' && ip[2] != '\0' && ip[2] != '\n') {
                    fputc('\n', ofp);
                }

            } else {
                /*  Don't output as it is being replaced with DSI content */
            }
        }
    }
    fclose(ifp);

    if (! patched) {
        fclose(ofp);
        unlink(tmpFile);

    } else {
        /*
         *  If we found a DSI in the file, rename the patched file
         */
        fclose(ofp);
        sprintf(saveFile, "%s.dsiSave", path);
        unlink(saveFile);
        chmod(path, 0755);
        rename(path, saveFile);
        if (rename(tmpFile, path) < 0) {
            fprintf(stderr, "dsi: Can't rename %s to %s\n", tmpFile, path);
            rename(saveFile, path);
            return -1;
        }
        unlink(saveFile);
    }
    return 0;

error:
    if (ifp) {
        fclose(ifp);
    }
    if (ofp) {
        fclose(ofp);
    }
    if (inBuf) {
        free(inBuf);
    }
    if (dsiBuf) {
        free(dsiBuf);
    }
    return -1;
}
コード例 #8
0
ファイル: sndfnist.c プロジェクト: dpwe/dpwelib
int SFReadHdr(FILE *file, SFSTRUCT *snd, int infoBmax)
/* utility to sample the header of an opened file, at most infobmax info byts */
    {
#define LBLEN 256
    char lbuf[LBLEN];
    int nhdread = 0;
    int hdtotlen = 0;
    int done = 0;
    int  schan = 0;
    long samps = 0;
    int  srate = 0;
    int  snbyt = 0;
    int  sbits = 0;
    int  basefmt = _LINEAR;
    long ft;
    char *ib_ptr;
    int bytemode = BM_INORDER;
    int seekable = TRUE;
    int skipmagic = 0;

    ft = ftell(file);
    if( ft < 0 ) {			/* don't try seek on stdin */
	/* pipe - skip magic if already ID'd */
	if (GetSFFType(file) != NULL) {
#ifdef HAVE_FPUSH
	    /* If we have fpush, we'll have pushed back to zero anyway */
	    skipmagic = 0;
#else /* !HAVE_FPUSH */
	    /* we'll guess that the type came from SFIdentify, although 
	       it *could* have come from SFSetFileType, in which case 
	       we'll fail */
	    skipmagic = sizeof(INT32);
#endif /* HAVE_FPUSH */
	}
	seekable = FALSE;
    } else if (ft == sizeof(INT32)) {
	/* assume we already read the magic & fake it up */
	skipmagic = ft;
    } else {
	if(fseek(file,(long)0,SEEK_SET) != 0 ) /* move to start of file */
	    return(SFerror = SFE_RDERR);
    }
    if(skipmagic)		strncpy(lbuf, "NIST", skipmagic);

/*    fgets(lbuf+skipmagic, LBLEN-skipmagic, file);    
      nhdread += strlen(lbuf);    chop(lbuf); */
    /* Use fread rather than fgets for this first read because the 
       4 bytes 'pushed back' by SFIdentify are only restored in 
       my_fread - not in my_fgets */
    nhdread = skipmagic;
    nhdread += fread(lbuf+skipmagic, 1, strlen("NIST_1A/") - skipmagic, file);
    /* if we're at EOF, it's not a sound file (lame attempt to readon strem) */
    if (feof(file)) {
	return (SFerror = SFE_EOF);
    }
    lbuf[8] = '\0'; chop(lbuf);
    if(strcmp(lbuf, "NIST_1A")!=0) {
	fprintf(stderr, "Error: NIST SFRdHdr: id of '%s' is not 'NIST_1A'\n", 
		lbuf);
	return SFE_NSF; /* Not a Sound File */
    }
    /* read header values */
    /* first line is number of bytes in header */
    fgets(lbuf, LBLEN, file);    nhdread += strlen(lbuf);    chop(lbuf);
    hdtotlen = atoi(lbuf);
    /* rest are token/value pairs */
    /* reset the info_buf used to store unknown fields */
    /* 2002-10-08: allocate if not yet, or too small */
    if (ib_len < hdtotlen) {
	if (info_buf)	free(info_buf);
	info_buf = NULL;
    }
    if (info_buf == NULL) {
	ib_len = hdtotlen;
	info_buf = malloc(ib_len);
    }
    info_buf[0] = '\0';
    ib_ptr = info_buf;

    while(!done && !feof(file)) {
	char tok[LBLEN], *t;
	int tklen;

	t = lbuf;

	fgets(lbuf, LBLEN, file);    nhdread += strlen(lbuf);    chop(lbuf);

/* fprintf(stderr, "HDR: got '%s'\n", lbuf); */

	tklen = getNextTok(&t, tok);
	if(strcmp(tok, "end_head")==0)  {
	    done = 1;
	} else if(strcmp(tok, "channel_count")==0) {
	    tklen = getNextTok(&t, tok);		/* format spec - -i */
	    tklen = getNextTok(&t, tok);		/* actual count */
	    schan = atoi(tok);
	} else if(strcmp(tok, "sample_coding")==0) {
	    tklen = getNextTok(&t, tok);		/* format spec - -sN */
	    tklen = getNextTok(&t, tok);		/* actual coding */
	    if(strcmp(tok, "pcm")==0 || strcmp(tok, "linear")==0) {
		basefmt |= _LINEAR;
	    } else if(strncmp(tok, "pcm,",4)==0) {
		basefmt |= _LINEAR;
		/* check for shorten (any version 2.xx) */
		if (strncmp(tok+4, "embedded-shorten-v2.", 20)==0) {
		    /* this is embedded shorten - hope we are decoding it */
		} else {
		    fprintf(stderr, "Warn: NIST Hdr: Extra coding '%s' ignored\n", 
			    tok+4);
		}
	    } else if(strcmp(tok, "alaw")==0) {
		basefmt |= _ALAW;
	    } else if(strcmp(tok, "ulaw")==0) {
		basefmt |= _ULAW;
	    } else if(strncmp(tok, "ulaw",4)==0) {
		basefmt |= _ULAW;
		fprintf(stderr, "Warn: NIST Hdr: Extra coding '%s' ignored\n", tok+4);
	    } else if(strcmp(tok, "mu-law")==0) {
		basefmt |= _ULAW;
	    } else if(strcmp(tok, "float")==0) {
		basefmt |= _FLOAT;
	    } else if(strcmp(tok, "raw")==0) {
		/* 2005-03-15: SRI's hacked format holds floats as 'raw' */
		basefmt |= _FLOAT;
		/* .. and has an implied byte order */
		bytemode = BM_BYWDREV;
	    } else {
		fprintf(stderr, "Warn: NIST Hdr: '%s' not pcm, alaw, ulaw or mu-law (assume pcm)\n", 
			tok);
	    }
	} else if(strcmp(tok, "sample_count")==0) {
	    tklen = getNextTok(&t, tok);		/* format spec - -i */
	    tklen = getNextTok(&t, tok);		/* actual count */
	    samps = atol(tok);
	} else if(strcmp(tok, "sample_rate")==0) {
	    tklen = getNextTok(&t, tok);		/* format spec - -i */
	    tklen = getNextTok(&t, tok);		/* actual count */
	    srate = atol(tok);
	} else if(strcmp(tok, "sample_n_bytes")==0) {
	    tklen = getNextTok(&t, tok);		/* format spec - -i */
	    tklen = getNextTok(&t, tok);		/* actual count */
	    snbyt = atoi(tok);
	} else if(strcmp(tok, "sample_byte_format")==0) {
	    tklen = getNextTok(&t, tok);
	    tklen = getNextTok(&t, tok);
	    if(strcmp(tok, "01")==0 || strcmp(tok, "0123")==0) {
		bytemode = BM_BYTEREV;
		/* fprintf(stderr,"this data is byteswapped, but I can't handle it\n"); */
	    } else if(strcmp(tok, "10")==0 || strcmp(tok, "3210")==0) {
		bytemode = BM_INORDER;
	    } else if(strcmp(tok, "1")==0) {	/* mu-law reported like this? */
		bytemode = BM_INORDER;
	    } else if(strcmp(tok, "mu-law")==0) {
		bytemode = BM_INORDER;
		basefmt |= _ULAW;
		/* fprintf(stderr, "NIST SFRdHdr: funky mu-law sample_byte_format\n"); */
	    } else {
		fprintf(stderr, "Warn: NIST Hdr: sample_byte_format '%s' is not mu-law, 10 or 01 (assume 10)\n", tok);
	    }
	} else if(strcmp(tok, "sample_sig_bits")==0) {
	    tklen = getNextTok(&t, tok);		/* format spec - -i */
	    tklen = getNextTok(&t, tok);		/* actual count */
	    sbits = atoi(tok);
	} else if(strcmp(tok, "sample_checksum")==0) {
	    long cksum;
	    tklen = getNextTok(&t, tok);		/* format spec - -i */
	    tklen = getNextTok(&t, tok);		/* actual count */
	    cksum = atoi(tok);		/* just consume & ignore */
	} else {
	    /* not an anticipated field - write into the info_buf */
	    if(strlen(lbuf)) {
		sprintf(ib_ptr, "%s\n", lbuf);
		ib_ptr += strlen(ib_ptr);
		/* hope info_buf never fills up! */
	    }
	}
    }
    if(!done) {
	/* hit eof before completing */
	fprintf(stderr, "Error: NIST Hdr: looked good, but no end_head\n");
	return SFE_NSF;
    }
    if(sbits != 0 && sbits != 8 * snbyt) {
      fprintf(stderr, "Warn: NIST Hdr: %d bits a surprise for %d bytes/samp (using %d bytes/samp)\n", 
	      sbits, snbyt, snbyt);
    }
    /* handle whatever happened to bytemode */
    if(snbyt>1 && (bytemode & BM_WORDMASK) != (HostByteMode() & BM_WORDMASK)) {
	if (snbyt > 2)
	    SetBytemode(file, BM_BYWDREV);
	else
	    SetBytemode(file, BM_BYTEREV);
    } else {	/* set the flag that no byteswapping is needed */
	SetBytemode(file, BM_INORDER);
    }
    if(nhdread > hdtotlen) {
	fprintf(stderr, "Error: NIST Hdr: overran header len of %d bytes - expect stack corruption\n", hdtotlen);
	return SFE_NSF;
    }
    if(seekable) {
	fseek(file, hdtotlen, SEEK_SET);
    } else {
	seek_by_read(file, hdtotlen-nhdread);
    }
    /* now at start of data */

    /* set up fields */
    snd->magic = SFMAGIC;
    snd->headBsize = sizeof(SFSTRUCT);
    assert(snbyt==8 || snbyt==4 ||snbyt==2 || snbyt==1);	
    /*  ulw, lin8 or lin16, float or double */
    /*    snd->format = basefmt | ((snbyt==1)?SFMT_CHAR:SFMT_SHORT);  */
    snd->format = basefmt | snbyt;   /* luckily, _EIGHTBYTE==8 */
    snd->channels = schan;
    snd->samplingRate = (float)srate;
    snd->dataBsize = snbyt*samps*schan; /* samps is frames now 1999sep28 */
    {   /* handle whatever we put into info_buf */
	int ibSize = ib_ptr - info_buf;
	int lastwd = ibSize % 4;

	if(infoBmax <= 0)	infoBmax = SFDFLTBYTS;

	snd->info[0] = '\0';
        if(lastwd) {
	    /* pad last word to 4-byte boundary with zeros */
	    int xtra = 4-lastwd;
	    long l = 0;
	    memcpy(info_buf+ibSize, &l, xtra);
	    ibSize += xtra;
	}
	memcpy(snd->info, info_buf, MIN(infoBmax, ibSize));
	snd->headBsize += MAX(0, ibSize-SFDFLTBYTS);
    }

    /* record the indicated seek points for start and end of sound data */
    SetSeekEnds(file, hdtotlen, hdtotlen+snd->dataBsize);

    return SFE_OK;
}