mirror of https://github.com/acidanthera/audk.git
462 lines
17 KiB
Java
462 lines
17 KiB
Java
/*
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*
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* Copyright 2001-2004 The Ant-Contrib project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.sf.antcontrib.cpptasks;
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import java.io.File;
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import java.io.IOException;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.StringTokenizer;
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import java.util.Vector;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.Project;
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import org.apache.tools.ant.taskdefs.Execute;
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import org.apache.tools.ant.taskdefs.LogStreamHandler;
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import org.apache.tools.ant.types.Commandline;
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import org.apache.tools.ant.types.Environment;
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/**
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* Some utilities used by the CC and Link tasks.
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*
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* @author Adam Murdoch
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*/
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public class CUtil {
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/**
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* A class that splits a white-space, comma-separated list into a String
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* array. Used for task attributes.
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*/
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public static final class StringArrayBuilder {
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private String[] _value;
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public StringArrayBuilder(String value) {
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// Split the defines up
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StringTokenizer tokens = new StringTokenizer(value, ", ");
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Vector vallist = new Vector();
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while (tokens.hasMoreTokens()) {
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String val = tokens.nextToken().trim();
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if (val.length() == 0) {
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continue;
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}
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vallist.addElement(val);
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}
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_value = new String[vallist.size()];
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vallist.copyInto(_value);
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}
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public String[] getValue() {
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return _value;
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}
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}
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/**
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* Adds the elements of the array to the given vector
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*/
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public static void addAll(Vector dest, Object[] src) {
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if (src == null) {
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return;
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}
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for (int i = 0; i < src.length; i++) {
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dest.addElement(src[i]);
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}
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}
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/**
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* Checks a array of names for non existent or non directory entries and
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* nulls them out.
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*
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* @return Count of non-null elements
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*/
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public static int checkDirectoryArray(String[] names) {
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int count = 0;
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for (int i = 0; i < names.length; i++) {
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if (names[i] != null) {
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File dir = new File(names[i]);
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if (dir.exists() && dir.isDirectory()) {
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count++;
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} else {
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names[i] = null;
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}
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}
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}
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return count;
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}
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/**
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* Extracts the basename of a file, removing the extension, if present
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*/
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public static String getBasename(File file) {
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String path = file.getPath();
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// Remove the extension
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String basename = file.getName();
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int pos = basename.lastIndexOf('.');
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if (pos != -1) {
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basename = basename.substring(0, pos);
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}
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return basename;
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}
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/**
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* Gets the parent directory for the executable file name using the current
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* directory and system executable path
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*
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* @param exeName
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* Name of executable such as "cl.exe"
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* @return parent directory or null if not located
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*/
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public static File getExecutableLocation(String exeName) {
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//
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// must add current working directory to the
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// from of the path from the "path" environment variable
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File currentDir = new File(System.getProperty("user.dir"));
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if (new File(currentDir, exeName).exists()) {
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return currentDir;
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}
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File[] envPath = CUtil.getPathFromEnvironment("PATH",
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File.pathSeparator);
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for (int i = 0; i < envPath.length; i++) {
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if (new File(envPath[i], exeName).exists()) {
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return envPath[i];
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}
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}
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return null;
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}
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/**
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* Extracts the parent of a file
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*/
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public static String getParentPath(String path) {
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int pos = path.lastIndexOf(File.separator);
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if (pos <= 0) {
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return null;
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}
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return path.substring(0, pos);
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}
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/**
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* Returns an array of File for each existing directory in the specified
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* environment variable
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*
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* @param envVariable
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* environment variable name such as "LIB" or "INCLUDE"
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* @param delim
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* delimitor used to separate parts of the path, typically ";"
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* or ":"
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* @return array of File's for each part that is an existing directory
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*/
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public static File[] getPathFromEnvironment(String envVariable, String delim) {
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// OS/4000 does not support the env command.
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if (System.getProperty("os.name").equals("OS/400"))
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return new File[]{};
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Vector osEnv = Execute.getProcEnvironment();
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String match = envVariable.concat("=");
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for (Enumeration e = osEnv.elements(); e.hasMoreElements();) {
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String entry = ((String) e.nextElement()).trim();
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if (entry.length() > match.length()) {
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String entryFrag = entry.substring(0, match.length());
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if (entryFrag.equalsIgnoreCase(match)) {
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String path = entry.substring(match.length());
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return parsePath(path, delim);
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}
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}
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}
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File[] noPath = new File[0];
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return noPath;
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}
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/**
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* Returns a relative path for the targetFile relative to the base
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* directory.
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*
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* @param canonicalBase
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* base directory as returned by File.getCanonicalPath()
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* @param targetFile
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* target file
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* @return relative path of target file. Returns targetFile if there were
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* no commonalities between the base and the target
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*
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* @author Curt Arnold
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*/
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public static String getRelativePath(String base, File targetFile) {
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try {
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//
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// remove trailing file separator
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//
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String canonicalBase = base;
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if (base.charAt(base.length() - 1) == File.separatorChar) {
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canonicalBase = base.substring(0, base.length() - 1);
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}
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//
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// get canonical name of target and remove trailing separator
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//
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String canonicalTarget;
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if (System.getProperty("os.name").equals("OS/400"))
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canonicalTarget = targetFile.getPath();
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else
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canonicalTarget = targetFile.getCanonicalPath();
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if (canonicalTarget.charAt(canonicalTarget.length() - 1) == File.separatorChar) {
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canonicalTarget = canonicalTarget.substring(0, canonicalTarget
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.length() - 1);
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}
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if (canonicalTarget.equals(canonicalBase)) {
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return ".";
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}
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//
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// see if the prefixes are the same
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//
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if (canonicalBase.substring(0, 2).equals("\\\\")) {
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//
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// UNC file name, if target file doesn't also start with same
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// server name, don't go there
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int endPrefix = canonicalBase.indexOf('\\', 2);
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String prefix1 = canonicalBase.substring(0, endPrefix);
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String prefix2 = canonicalTarget.substring(0, endPrefix);
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if (!prefix1.equals(prefix2)) {
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return canonicalTarget;
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}
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} else {
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if (canonicalBase.substring(1, 3).equals(":\\")) {
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int endPrefix = 2;
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String prefix1 = canonicalBase.substring(0, endPrefix);
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String prefix2 = canonicalTarget.substring(0, endPrefix);
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if (!prefix1.equals(prefix2)) {
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return canonicalTarget;
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}
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} else {
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if (canonicalBase.charAt(0) == '/') {
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if (canonicalTarget.charAt(0) != '/') {
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return canonicalTarget;
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}
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}
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}
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}
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char separator = File.separatorChar;
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int lastSeparator = -1;
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int minLength = canonicalBase.length();
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if (canonicalTarget.length() < minLength) {
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minLength = canonicalTarget.length();
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}
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int firstDifference = minLength + 1;
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//
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// walk to the shorter of the two paths
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// finding the last separator they have in common
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for (int i = 0; i < minLength; i++) {
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if (canonicalTarget.charAt(i) == canonicalBase.charAt(i)) {
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if (canonicalTarget.charAt(i) == separator) {
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lastSeparator = i;
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}
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} else {
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firstDifference = lastSeparator + 1;
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break;
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}
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}
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StringBuffer relativePath = new StringBuffer(50);
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//
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// walk from the first difference to the end of the base
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// adding "../" for each separator encountered
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//
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if (canonicalBase.length() > firstDifference) {
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relativePath.append("..");
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for (int i = firstDifference; i < canonicalBase.length(); i++) {
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if (canonicalBase.charAt(i) == separator) {
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relativePath.append(separator);
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relativePath.append("..");
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}
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}
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}
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if (canonicalTarget.length() > firstDifference) {
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//
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// append the rest of the target
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//
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//
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if (relativePath.length() > 0) {
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relativePath.append(separator);
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}
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relativePath.append(canonicalTarget.substring(firstDifference));
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}
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return relativePath.toString();
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} catch (IOException ex) {
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}
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return targetFile.toString();
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}
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public static boolean isActive(Project p, String ifCond, String unlessCond)
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throws BuildException {
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if (ifCond != null) {
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String ifValue = p.getProperty(ifCond);
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if (ifValue == null) {
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return false;
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} else {
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if (ifValue.equals("false") || ifValue.equals("no")) {
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throw new BuildException("if condition \"" + ifCond
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+ "\" has suspicious value \"" + ifValue);
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}
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}
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}
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if (unlessCond != null) {
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String unlessValue = p.getProperty(unlessCond);
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if (unlessValue != null) {
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if (unlessValue.equals("false") || unlessValue.equals("no")) {
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throw new BuildException("unless condition \"" + unlessCond
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+ "\" has suspicious value \"" + unlessValue);
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}
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return false;
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}
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}
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return true;
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}
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/**
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* Parse a string containing directories into an File[]
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*
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* @param path
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* path string, for example ".;c:\something\include"
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* @param delim
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* delimiter, typically ; or :
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*/
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public static File[] parsePath(String path, String delim) {
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Vector libpaths = new Vector();
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int delimPos = 0;
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for (int startPos = 0; startPos < path.length(); startPos = delimPos
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+ delim.length()) {
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delimPos = path.indexOf(delim, startPos);
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if (delimPos < 0) {
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delimPos = path.length();
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}
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//
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// don't add an entry for zero-length paths
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//
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if (delimPos > startPos) {
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String dirName = path.substring(startPos, delimPos);
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File dir = new File(dirName);
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if (dir.exists() && dir.isDirectory()) {
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libpaths.addElement(dir);
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}
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}
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}
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File[] paths = new File[libpaths.size()];
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libpaths.copyInto(paths);
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return paths;
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}
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/**
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* This method is exposed so test classes can overload and test the
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* arguments without actually spawning the compiler
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*/
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public static int runCommand(CCTask task, File workingDir,
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String[] cmdline, boolean newEnvironment, Environment env)
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throws BuildException {
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try {
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task.log(Commandline.toString(cmdline), Project.MSG_VERBOSE);
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Execute exe = new Execute(new LogStreamHandler(task,
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Project.MSG_INFO, Project.MSG_ERR));
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if (System.getProperty("os.name").equals("OS/390"))
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exe.setVMLauncher(false);
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exe.setAntRun(task.getProject());
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exe.setCommandline(cmdline);
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exe.setWorkingDirectory(workingDir);
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if (env != null) {
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String[] environment = env.getVariables();
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if (environment != null) {
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for (int i = 0; i < environment.length; i++) {
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task.log("Setting environment variable: "
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+ environment[i], Project.MSG_VERBOSE);
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}
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}
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exe.setEnvironment(environment);
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}
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exe.setNewenvironment(newEnvironment);
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return exe.execute();
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} catch (java.io.IOException exc) {
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throw new BuildException("Could not launch " + cmdline[0] + ": "
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+ exc, task.getLocation());
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}
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}
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/**
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* Compares the contents of 2 arrays for equaliy.
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*/
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public static boolean sameList(Object[] a, Object[] b) {
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if (a == null || b == null || a.length != b.length) {
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return false;
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}
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for (int i = 0; i < a.length; i++) {
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if (!a[i].equals(b[i])) {
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return false;
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}
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}
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return true;
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}
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/**
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* Compares the contents of an array and a Vector for equality.
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*/
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public static boolean sameList(Vector v, Object[] a) {
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if (v == null || a == null || v.size() != a.length) {
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return false;
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}
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for (int i = 0; i < a.length; i++) {
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Object o = a[i];
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if (!o.equals(v.elementAt(i))) {
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return false;
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}
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}
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return true;
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}
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/**
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* Compares the contents of an array and a Vector for set equality. Assumes
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* input array and vector are sets (i.e. no duplicate entries)
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*/
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public static boolean sameSet(Object[] a, Vector b) {
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if (a == null || b == null || a.length != b.size()) {
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return false;
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}
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if (a.length == 0) {
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return true;
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}
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// Convert the array into a set
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Hashtable t = new Hashtable();
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for (int i = 0; i < a.length; i++) {
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t.put(a[i], a[i]);
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}
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for (int i = 0; i < b.size(); i++) {
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Object o = b.elementAt(i);
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if (t.remove(o) == null) {
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return false;
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}
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}
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return (t.size() == 0);
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}
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/**
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* Converts a vector to a string array.
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*/
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public static String[] toArray(Vector src) {
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String[] retval = new String[src.size()];
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src.copyInto(retval);
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return retval;
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}
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/**
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* Replaces any embedded quotes in the string so that the value can be
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* placed in an attribute in an XML file
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*
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* @param attrValue
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* value to be expressed
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* @return equivalent attribute literal
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*
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*/
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public static String xmlAttribEncode(String attrValue) {
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int quotePos = attrValue.indexOf('\"');
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if (quotePos < 0) {
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return attrValue;
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}
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int startPos = 0;
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StringBuffer buf = new StringBuffer(attrValue.length() + 20);
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while (quotePos >= 0) {
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buf.append(attrValue.substring(startPos, quotePos));
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buf.append(""");
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startPos = quotePos + 1;
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quotePos = attrValue.indexOf('\"', startPos);
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}
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buf.append(attrValue.substring(startPos));
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return buf.toString();
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}
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}
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