Examples with ReaderTokenizer maspack.util.ReaderTokenizer used on opensource projects

Example 21 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class AmiraLandmarkReader method readSets.

/**
 * Creates an 2D array of 3D points from the landmark data from a Reader
 *
 * @param reader
 * reader from which to read amira landmark data
 * @param scale
 * factor by which node coordinate data should be scaled
 * @return list of points read from file
 * @throws IOException
 * if this is a problem reading the file
 */
public static Point3d[][] readSets(Reader reader, double scale) throws IOException {
    Point3d[][] ptarray = null;
    int numSets = 0, length = 0;
    ReaderTokenizer rtok = new ReaderTokenizer(new BufferedReader(reader));
    rtok.wordChars("./@");
    String prevToken;
    while (rtok.nextToken() != ReaderTokenizer.TT_EOF) {
        if (numSets == 0 || length == 0) {
            if (rtok.ttype == ReaderTokenizer.TT_WORD) {
                prevToken = rtok.sval;
                rtok.nextToken();
                if (rtok.ttype != ReaderTokenizer.TT_NUMBER) {
                    // not at data yet, look for next "@1" word
                    rtok.pushBack();
                    continue;
                } else {
                    if (prevToken.compareTo("Markers") == 0) {
                        length = (int) rtok.nval;
                    } else if (prevToken.compareTo("NumSets") == 0) {
                        numSets = (int) rtok.nval;
                    }
                }
            }
        } else {
            if (ptarray == null) {
                ptarray = new Point3d[numSets][length];
            }
            if (rtok.ttype == ReaderTokenizer.TT_WORD && rtok.sval.matches("@[\\d]+")) {
                int setIdx = Integer.parseInt(rtok.sval.replace("@", "")) - 1;
                rtok.nextToken();
                if (rtok.ttype != ReaderTokenizer.TT_NUMBER) {
                    // not at data yet, look for next "@1" word
                    rtok.pushBack();
                    continue;
                } else {
                    // we have found landmark data - scan into
                    rtok.pushBack();
                    // Point3ds until the next set
                    int count = 0;
                    while (rtok.nextToken() != ReaderTokenizer.TT_EOF && rtok.ttype != ReaderTokenizer.TT_WORD) {
                        rtok.pushBack();
                        Point3d point = new Point3d();
                        point.scan(rtok);
                        if (!point.equals(new Point3d(0, 0, 0))) {
                            point.scale(scale);
                            ptarray[setIdx][count] = point;
                            count++;
                        }
                    }
                    rtok.pushBack();
                }
            }
        }
    }
    return ptarray;
}

Example 22 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class ClassAliases method initializeFromFile.

protected static void initializeFromFile(File file) throws IOException {
    try {
        ReaderTokenizer rtok = new ReaderTokenizer(new BufferedReader(new FileReader(file)));
        rtok.commentChar('#');
        rtok.wordChar('/');
        rtok.wordChar('.');
        rtok.wordChar('$');
        rtok.wordChar('_');
        rtok.wordChar('-');
        String alias = null;
        while (rtok.nextToken() != ReaderTokenizer.TT_EOF && rtok.tokenIsWordOrQuotedString('"')) {
            if (alias == null) {
                alias = rtok.sval;
            } else {
                Class<?> cls;
                try {
                    cls = Class.forName(rtok.sval);
                } catch (Exception e) {
                    System.err.println("Error: class \"" + rtok.sval + "\" in file " + file.getAbsolutePath() + " cannot be located");
                    cls = null;
                }
                if (cls != null) {
                    doAddEntry(alias, cls);
                }
            }
        }
        if (rtok.ttype != ReaderTokenizer.TT_EOF) {
            throw new IOException("Warning: unknown token " + rtok.tokenName() + " in file " + file.getAbsolutePath());
        }
    } catch (Exception e) {
        throw new IOException("Warning: error reading file " + file.getAbsolutePath() + "\n" + e.getMessage());
    }
}

Example 23 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class VariableVectorField method textToValue.

public Object textToValue(String text, BooleanHolder corrected, StringHolder errMsg) {
    corrected.value = false;
    if (isBlank(text)) {
        return setVoidIfPossible(errMsg);
    }
    ReaderTokenizer rtok = new ReaderTokenizer(new StringReader(text));
    VectorNd tmp = new VectorNd(myVectorSize);
    int idx = 0;
    try {
        while (rtok.nextToken() != ReaderTokenizer.TT_EOF) {
            if (idx == tmp.size()) {
                tmp.adjustSize(5);
            }
            if (rtok.ttype == ReaderTokenizer.TT_NUMBER) {
                tmp.set(idx++, rtok.nval);
            } else {
                return illegalValue("Malformed number for element " + idx, errMsg);
            }
        }
    } catch (Exception e) {
        return illegalValue("Error parsing text", errMsg);
    }
    tmp.setSize(idx);
    return validValue(tmp, errMsg);
}

Example 24 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class VectorField method textToValue.

public Object textToValue(String text, BooleanHolder corrected, StringHolder errMsg) {
    corrected.value = false;
    if (isBlank(text)) {
        return setVoidIfPossible(errMsg);
    }
    ReaderTokenizer rtok = new ReaderTokenizer(new StringReader(text));
    VectorNd tmp = new VectorNd(myVectorSize);
    try {
        for (int i = 0; i < myVectorSize; i++) {
            if (rtok.nextToken() != ReaderTokenizer.TT_NUMBER) {
                if (rtok.ttype == ReaderTokenizer.TT_EOF) {
                    return illegalValue("Missing elements (there should be " + myVectorSize + ")", errMsg);
                } else {
                    return illegalValue("Malformed number for element " + i, errMsg);
                }
            }
            tmp.set(i, rtok.nval);
        }
        if (rtok.nextToken() != ReaderTokenizer.TT_EOF) {
            if (rtok.ttype == ReaderTokenizer.TT_NUMBER) {
                return illegalValue("Too many elements (there should be " + myVectorSize + ")", errMsg);
            } else {
                return illegalValue("Extra characters after last element", errMsg);
            }
        }
        return validValue(tmp, errMsg);
    } catch (Exception e) {
        return illegalValue("Improperly formed vector", errMsg);
    }
}

Example 25 with ReaderTokenizer

use of maspack.util.ReaderTokenizer in project artisynth_core by artisynth.

the class VectoriField method textToValue.

public Object textToValue(String text, BooleanHolder corrected, StringHolder errMsg) {
    corrected.value = false;
    if (isBlank(text)) {
        return setVoidIfPossible(errMsg);
    }
    ReaderTokenizer rtok = new ReaderTokenizer(new StringReader(text));
    VectorNi tmp = new VectorNi(myVectorSize);
    try {
        for (int i = 0; i < myVectorSize; i++) {
            if (rtok.nextToken() == ReaderTokenizer.TT_EOF) {
                return illegalValue("Missing elements (there should be " + myVectorSize + ")", errMsg);
            } else if (!rtok.tokenIsInteger()) {
                return illegalValue("Malformed integer for element " + i, errMsg);
            }
            tmp.set(i, (int) rtok.nval);
        }
        if (rtok.nextToken() != ReaderTokenizer.TT_EOF) {
            if (rtok.tokenIsInteger()) {
                return illegalValue("Too many elements (there should be " + myVectorSize + ")", errMsg);
            } else {
                return illegalValue("Extra characters after last element", errMsg);
            }
        }
        return validValue(tmp, errMsg);
    } catch (Exception e) {
        return illegalValue("Improperly formed vector", errMsg);
    }
}