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/*******************************************************************************
* Copyright (c) 2000, 2004 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.make.internal.core.makefile.posix;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.make.internal.core.makefile.MakeFileConstants;
import org.eclipse.cdt.make.internal.core.makefile.Util;
/**
*/
public class PosixMakefileUtil {
public static String[] findPrerequisites(String line) {
return findTargets(line);
}
public static String[] findTargets(String line) {
List aList = new ArrayList();
int space;
// Trim away trailing and prepending spaces.
line = line.trim();
while ((space = Util.indexOf(line, " \t")) != -1) { //$NON-NLS-1$
aList.add(line.substring(0, space).trim());
line = line.substring(space + 1).trim();
}
// The last target.
if (line.length() > 0) {
aList.add(line);
}
return (String[]) aList.toArray(new String[0]);
}
public static boolean isMacroDefinition(String line) {
return Util.indexOf(line, '=') != -1;
}
public static boolean isTargetRule(String line) {
return Util.indexOf(line, ':') != -1;
}
public static boolean isCommand(String line) {
return line.length() > 1 && line.charAt(0) == '\t';
}
public static boolean isEmptyLine(String line) {
return line.trim().length() == 0;
}
public static boolean isInferenceRule(String line) {
line = line.trim();
if (line.startsWith(".")) { //$NON-NLS-1$
int index = Util.indexOf(line, ':');
if (index > 1) {
line = line.substring(index + 1).trim();
if (line.length() == 0 || line.equals(";")) { //$NON-NLS-1$
return true;
}
}
}
return false;
}
public static boolean isDefaultRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_DEFAULT);
}
return false;
}
public static boolean isIgnoreRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_IGNORE);
}
return false;
}
public static boolean isPosixRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_POSIX);
}
return false;
}
public static boolean isPreciousRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_PRECIOUS);
}
return false;
}
public static boolean isSccsGetRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_SCCS_GET);
}
return false;
}
public static boolean isSilentRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_SILENT);
}
return false;
}
public static boolean isSuffixesRule(String line) {
line = line.trim();
int colon = Util.indexOf(line, ':');
if (colon > 0) {
line = line.substring(0, colon).trim();
return line.equals(MakeFileConstants.RULE_SUFFIXES);
}
return false;
}
public static boolean isLibraryTarget(String line) {
char prev = 0;
int paren = 0;
for (int i = 0; i < line.length(); i++) {
char ch = line.charAt(i);
if (ch == '(' && prev != '$' && prev != '\\') {
paren++;
} else if (ch == ')' && prev != '\\') {
if (paren > 0) {
return true;
}
}
prev = ch;
}
return false;
}
}
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