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package org.eclipse.cdt.internal.ui.text;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.internal.ui.text.util.CWordDetector;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.rules.WordRule;
import org.eclipse.jface.util.PropertyChangeEvent;
/**
* A C code scanner.
*/
public final class CCodeScanner extends AbstractCScanner {
private static String[] fgKeywords= {
"asm", "auto",
"break",
"case",
"const", "continue",
"default", "do",
"else", "enum", "extern",
"for",
"goto",
"if", "inline",
"register", "return", "restrict",
"sizeof", "static", "struct", "switch",
"typedef",
"union",
"volatile",
"while", "_Pragma"
};
private static String[] fgTypes= { "char", "double", "float", "int", "long", "short", "signed", "unsigned", "void", "_Bool", "_Complex", "_Imaginary"};
private static String[] fgConstants= { "NULL", "__DATE__", "__LINE__", "__TIME__", "__FILE__", "__STDC__"};
private static String[] fgPreprocessor= { "#define", "#undef", "#include", "#error", "#warning", "#pragma", "#ifdef", "#ifndef", "#if", "#else", "#elif", "#endif", "#line"};
private static String[] fgTokenProperties= {
ICColorConstants.C_KEYWORD,
ICColorConstants.C_TYPE,
ICColorConstants.C_STRING,
ICColorConstants.C_DEFAULT
};
/**
* Creates a C code scanner
*/
public CCodeScanner(IColorManager manager, IPreferenceStore store) {
super(manager, store);
initialize();
}
/*
* @see AbstractCScanner#getTokenProperties()
*/
protected String[] getTokenProperties() {
return fgTokenProperties;
}
/*
* @see AbstractCScanner#createRules()
*/
protected List createRules() {
List rules= new ArrayList();
// Add rule for strings
Token token= getToken(ICColorConstants.C_STRING);
// Add rule for strings and character constants.
rules.add(new SingleLineRule("'", "'", token, '\\'));
// Add generic whitespace rule.
//rules.add(new WhitespaceRule(new CWhitespaceDetector()));
// Add word rule for keywords, types, and constants.
token= getToken(ICColorConstants.C_DEFAULT);
WordRule wordRule= new WordRule(new CWordDetector(), token);
token= getToken(ICColorConstants.C_KEYWORD);
for (int i=0; i<fgKeywords.length; i++)
wordRule.addWord(fgKeywords[i], token);
token= getToken(ICColorConstants.C_TYPE);
for (int i=0; i<fgTypes.length; i++)
wordRule.addWord(fgTypes[i], token);
for (int i=0; i<fgConstants.length; i++)
wordRule.addWord(fgConstants[i], token);
rules.add(wordRule);
token = getToken(ICColorConstants.C_TYPE);
PreprocessorRule preprocessorRule = new PreprocessorRule(new CWordDetector(), token);
for (int i=0; i<fgPreprocessor.length; i++) {
preprocessorRule.addWord(fgPreprocessor[i], token);
}
rules.add(preprocessorRule);
setDefaultReturnToken(getToken(ICColorConstants.C_DEFAULT));
return rules;
}
/*
* @see RuleBasedScanner#setRules(IRule[])
*/
public void setRules(IRule[] rules) {
super.setRules(rules);
}
/*
* @see AbstractCScanner#affectsBehavior(PropertyChangeEvent)
*/
public boolean affectsBehavior(PropertyChangeEvent event) {
return super.affectsBehavior(event);
}
/*
* @see AbstractCScanner#adaptToPreferenceChange(PropertyChangeEvent)
*/
public void adaptToPreferenceChange(PropertyChangeEvent event) {
if (super.affectsBehavior(event)) {
super.adaptToPreferenceChange(event);
}
}
}
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