private static void save_image(Color[][] imagePixels, String image_filename) {
int width = imagePixels.length;
int height = imagePixels[0].length;
BufferedImage outputImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int x = 0; x < width; x++)
for (int y = 0; y < height; y++) outputImage.setRGB(x, y, imagePixels[x][y].getRGB());
try {
ImageIO.write(outputImage, "png", new File(image_filename));
} catch (java.io.IOException e) {
ErrorExit("Unable to write %s: %s\n", image_filename, e.getMessage());
}
System.err.printf("Wrote a %d by %d image\n", width, height);
}
private static Color[][] load_image(String image_filename) {
BufferedImage inputImage = null;
try {
System.err.printf("Reading image from %s\n", image_filename);
inputImage = ImageIO.read(new File(image_filename));
} catch (java.io.IOException e) {
ErrorExit("Unable to open %s: %s\n", image_filename, e.getMessage());
}
int width = inputImage.getWidth();
int height = inputImage.getHeight();
Color[][] imagePixels = new Color[width][height];
for (int x = 0; x < width; x++)
for (int y = 0; y < height; y++) imagePixels[x][y] = new Color(inputImage.getRGB(x, y));
System.err.printf("Read a %d by %d image\n", width, height);
return imagePixels;
}
/**
* Parses the files passed into the <CODE>setTemplateFiles</CODE> method. The data extracted from
* the template files is returned.
*/
public void parse() {
setMessage("Parsing Files");
templates.clear();
importedFieldCount = 0;
importedMacroCount = 0;
File[] templateFiles = getTemplateFiles();
resetParseCanceled();
int totalFileSize = 0;
for (int i = 0; i < templateFiles.length; i++)
if (templateFiles[i].exists()) totalFileSize += (int) templateFiles[i].length();
setProgressMaximum(totalFileSize);
int progress = 0;
setProgressValue(0);
setProgressIndeterminate(false);
for (int i = 0; i < templateFiles.length; i++) {
String currentFilePath = templateFiles[i].getAbsolutePath();
Timestamp modifiedDate = new Timestamp(templateFiles[i].lastModified());
Template currentTemplate = new Template(currentFilePath, modifiedDate);
String[] nameParts = templateFiles[i].getName().split("\\.");
if (nameParts != null && nameParts.length > 0) currentTemplate.setID(nameParts[0]);
templates.add(currentTemplate);
try {
BufferedReader iStream = new BufferedReader(new FileReader(templateFiles[i]));
try {
String currentLine = iStream.readLine();
Signal currentSignal = null, archiveTag = null;
ArchiveRequest request = null;
ArchiveGroup group = null;
HashMap archiveSignals = new HashMap();
int lineNumber = 0;
int braceCount = 0;
while (currentLine != null) // null indicates EOF
{
lineNumber++;
if (currentLine.trim().startsWith("#")) // Comments start with #
{
// Comments start with #. Archive information is embedded in comments.
ArchiveGroup newGroup = parseArchiveGroupTag(currentLine, currentTemplate);
if (newGroup != null) group = newGroup;
else {
ArchiveRequest newRequest =
parseArchiveRequestTag(currentLine, group, currentTemplate);
if (newRequest != null) request = newRequest;
else {
Signal newArchiveTag = parseArchiveTag(currentLine);
if (newArchiveTag != null) {
if (archiveTag != null) // Tag was not used in request. Use for defaults.
archiveSignals.put(archiveTag.getID(), archiveTag);
archiveTag = newArchiveTag;
}
}
}
} else {
Matcher macroMatcher = macroPattern.matcher(currentLine);
if (macroMatcher.find()) {
String macro = macroMatcher.group(1);
if (!currentTemplate.containsMacro(macro)) {
importedMacroCount++;
currentTemplate.addMacro(macro);
}
}
int linePosition = 0;
int lineLength = currentLine.length();
while (linePosition < lineLength) {
int openBracePosition = currentLine.indexOf('{', linePosition);
int closeBracePosition = currentLine.indexOf('}', linePosition);
if (currentSignal == null || braceCount == 0) {
// Got no signal or the brace was never opened...
Matcher recordMatcher = recordPattern.matcher(currentLine);
if (recordMatcher.find(linePosition))
if (openBracePosition < 0 || recordMatcher.start() < openBracePosition) {
linePosition = recordMatcher.end();
SignalType currentSignalType = new SignalType();
String recordType = recordMatcher.group(1);
currentSignalType.setRecordType(new EpicsRecordType(recordType));
String signalID = recordMatcher.group(2);
currentSignal = new Signal(signalID);
currentSignal.setType(currentSignalType);
if (archiveTag != null)
archiveSignals.put(archiveTag.getID(), archiveTag); // Use as defaults.
archiveTag = (Signal) archiveSignals.get(signalID);
if (archiveTag != null) {
currentSignal.setArchiveIndicator("Y");
currentSignal.setArchiveType(archiveTag.getArchiveType());
currentSignal.setArchiveFrequency(archiveTag.getArchiveFrequency());
// Must use a new instance of signal since each request has different
// values for type, frequency, etc.
if (request != null && request.getSignal(signalID) == null)
request.addSignal(new Signal(signalID));
currentSignal.setArchiveIndicator("Y");
currentSignal.setArchiveType(archiveTag.getArchiveType());
currentSignal.setArchiveFrequency(archiveTag.getArchiveFrequency());
}
currentTemplate.addSignal(currentSignal);
archiveTag = null; // Reset so is not used twice.
continue; // Go back and check the line position against length.
}
}
if (braceCount == 0 && currentSignal != null && openBracePosition >= linePosition) {
// Got the signal, need the open brace.
linePosition = openBracePosition + 1;
braceCount++;
continue; // Go back and check the line position against length.
}
if (braceCount > 0) {
// Looking for fields or the close brace.
Matcher fieldMatcher = fieldPattern.matcher(currentLine);
if (fieldMatcher.find(linePosition))
if (closeBracePosition < 0 || fieldMatcher.start() < closeBracePosition) {
// Found a field...
linePosition = fieldMatcher.end();
SignalField currentField = new SignalField();
String currentFieldID = fieldMatcher.group(1);
currentField.setType(new SignalFieldType(currentFieldID));
currentField.setValue(fieldMatcher.group(2));
currentSignal.addField(currentField);
importedFieldCount++;
continue;
}
if (closeBracePosition >= 0) {
// Found end of current signal.
braceCount--;
linePosition = closeBracePosition + 1;
currentSignal = null;
continue;
}
}
linePosition = lineLength;
if (isParseCanceled()) break;
}
}
progress += currentLine.length() + 1;
setProgressValue(progress);
currentLine = iStream.readLine();
if (isParseCanceled()) break;
}
} finally {
iStream.close();
}
} catch (java.io.FileNotFoundException ex) {
StringBuffer errorMessage = new StringBuffer("<HTML><FONT COLOR=RED>Unable to open file '");
errorMessage.append(templateFiles[i].getAbsoluteFile());
errorMessage.append("'.</FONT></HTML>");
addMessage(errorMessage.toString());
} catch (java.io.IOException ex) {
ex.printStackTrace();
StringBuffer errorMessage = new StringBuffer("<HTML><FONT COLOR=RED>IO Error: ");
errorMessage.append(ex.getMessage());
errorMessage.append("</FONT></HTML>");
addMessage(errorMessage.toString());
}
if (isParseCanceled()) break;
}
}