// this method allow using a different filter to handle the lines.
public void preprocess(
IPreprocessor pp, File sourceDir, int mode, String newext, String encoding, Utility utility)
throws PreprocessorException, IOException {
pp.setMode(mode);
String[] files = getDirectoryScanner(sourceDir).getIncludedFiles();
log("Preprocessing " + files.length + " file(s) at " + sourceDir);
String filename = ""; // For exception handling
try {
for (int i = 0; i < files.length; i++) {
filename = files[i];
String sourceFile = "" + sourceDir + File.separatorChar + filename;
Strings lines = loadFile(encoding, new File(sourceFile));
pp.setFile(new File(sourceFile));
boolean modified = pp.preprocess(lines, encoding);
// if preprocessing modifies the file, or
// we are putting the output in a different directory
// or we are changing the file extension
// then we have to write a new file
if (modified || !sourceDir.equals(targetDir) || (newext != null)) {
try {
if ((mode & IPreprocessor.MODE_VERBOSE) != 0) {
System.out.println(filename + " ... modified");
}
if ((mode & IPreprocessor.MODE_TEST) == 0) {
String targetFile;
if (newext != null) {
int dot = filename.indexOf('.');
if (dot != -1) {
filename = filename.substring(0, dot) + newext;
} else {
filename = filename + newext;
}
}
targetFile = "" + targetDir + File.separatorChar + filename;
File file = new File(targetFile + "~");
file.delete();
if (!new File(targetFile).renameTo(file) && (targetDir == null)) {
throw new java.io.IOException();
}
new File(targetFile).getParentFile().mkdirs();
if (encoding != null && encoding.length() > 0) {
lines.saveToFile(targetFile, encoding);
} else {
lines.saveToFile(targetFile);
}
if ((mode & IPreprocessor.MODE_BACKUP) == 0) {
file.delete(); // ??????
}
}
} catch (java.io.UnsupportedEncodingException uee) {
throw new PreprocessorException("Unknown encoding \"" + encoding, new File(files[i]));
} catch (java.io.IOException e) {
throw new PreprocessorException("File write error", new File(files[i]));
}
} else {
if ((mode & IPreprocessor.MODE_VERBOSE) != 0) {
System.out.println(filename + " ... not modified");
}
}
}
} catch (IOException e) {
if ((mode & IPreprocessor.MODE_VERBOSE) == 0) {
System.out.println(filename + " ... not modified, " + e.getMessage());
}
throw e;
} catch (PreprocessorException error) {
if ((mode & IPreprocessor.MODE_VERBOSE) == 0) {
System.out.println(filename + " ... not modified, " + error.getMessage());
}
throw error;
}
}
public void execute() throws BuildException {
if (!isActive()) return;
if (targetDir == null) {
throw new BuildException("Need a target directory");
}
StringTokenizer tok = new StringTokenizer(sourceDir.toString(), "" + File.pathSeparatorChar);
while (tok.hasMoreElements()) {
String dir = tok.nextToken();
try {
IPreprocessor pp;
if ("1".equals(m_backendVersion)) {
pp = new antenna.preprocessor.v1.Preprocessor(utility, encoding);
pp.addSymbols(m_symbols);
if (m_printSymbols) pp.printSymbols();
} else if ("2".equals(m_backendVersion)) {
pp = new antenna.preprocessor.v2.PreprocessorBridge(utility);
} else if ("3".equals(m_backendVersion)) {
pp = new antenna.preprocessor.v3.PreprocessorBridge(utility);
} else {
throw new BuildException("Unsupported backend version " + m_backendVersion);
}
// for any backend except version 1:
if (!m_backendVersion.equals("1")) {
try {
pp.setDebugLevel(m_debugLevel);
} catch (Exception e) {
log(e.getMessage(), Project.MSG_WARN);
}
String deviceDefines = getDeviceDefines();
String symbols = addSymbols(m_symbols, deviceDefines);
pp.addSymbols(symbols);
for (int i = 0; i < m_symbolsFile.size(); i++) {
Symbols_File f = (Symbols_File) m_symbolsFile.get(i);
if (f.name != null) {
File file = new File(f.name);
if (!file.exists()) {
log("Symbols file not found : " + file.getAbsolutePath(), Project.MSG_INFO);
} else {
try {
pp.addSymbols(file);
} catch (PreprocessorException e) {
log("Error preprocessing symbols" + file.getAbsolutePath(), Project.MSG_ERR);
e.printStackTrace();
} catch (IOException e) {
log("IOException adding " + file.getAbsolutePath(), Project.MSG_ERR);
e.printStackTrace();
}
}
} else if (f.list != null) {
StringTokenizer t = new StringTokenizer(f.list, " ,");
while (t.hasMoreElements()) {
File ff = new File(t.nextToken());
if (!ff.exists()) {
log("Symbols file not found : " + ff.getAbsolutePath(), Project.MSG_WARN);
continue;
}
try {
pp.addSymbols(ff);
} catch (Exception e) {
log("Error adding symbols from " + ff.getAbsolutePath(), Project.MSG_WARN);
}
}
}
}
if (m_printSymbols) pp.printSymbols();
if (m_saveSymbols != null) {
try {
pp.outputDefinesToFile(new File(m_saveSymbols), encoding);
} catch (IOException e) {
log("Error saving defines to file " + m_saveSymbols, Project.MSG_WARN);
}
}
}
File file = new File(dir);
preprocess(pp, file, mode, newext, encoding, utility);
} catch (Exception ex) {
ex.printStackTrace();
throw new BuildException("Preprocessing failed: " + ex.getMessage(), ex);
}
}
}