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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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* Utility functions related to traces
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*
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*/
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package com.nokia.tracecompiler.engine.utils;
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import com.nokia.tracecompiler.plugin.TraceFormatConstants;
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/**
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* Utility functions related to traces
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*
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*/
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public final class TraceUtils {
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/**
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* Underscore character
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*/
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private static final String UNDERSCORE = "_"; //$NON-NLS-1$
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/**
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* Underscore character
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*/
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private static final char UNDERSCORE_CHAR = '_';
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/**
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* Cannot be constructed
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*/
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private TraceUtils() {
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}
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/**
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* Formats a trace
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*
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* @param format
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* the format specification
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* @param cname
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* the class name
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* @param fname
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* the function name
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* @return the formatted trace
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*/
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public static String formatTrace(String format, String cname, String fname) {
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StringBuffer sb = new StringBuffer(format);
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int cnindex = sb
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.indexOf(TraceFormatConstants.FORMAT_CLASS_NAME_NORMAL_CASE);
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if (cnindex >= 0) {
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if (cname != null) {
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sb.replace(cnindex, cnindex
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+ TraceFormatConstants.FORMAT_CLASS_NAME_NORMAL_CASE
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.length(), cname);
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} else {
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sb.replace(cnindex, cnindex
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+ TraceFormatConstants.FORMAT_CLASS_NAME_NORMAL_CASE
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.length(), ""); //$NON-NLS-1$
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}
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}
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int cnup = sb
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.indexOf(TraceFormatConstants.FORMAT_CLASS_NAME_UPPER_CASE);
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if (cnup >= 0) {
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if (cname != null) {
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sb.replace(cnup, cnup
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+ TraceFormatConstants.FORMAT_CLASS_NAME_UPPER_CASE
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.length(), cname.toUpperCase());
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} else {
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sb.replace(cnup, cnup
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+ TraceFormatConstants.FORMAT_CLASS_NAME_UPPER_CASE
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.length(), ""); //$NON-NLS-1$
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}
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}
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int fnindex = sb
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.indexOf(TraceFormatConstants.FORMAT_FUNCTION_NAME_NORMAL_CASE);
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if (fnindex >= 0) {
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sb.replace(fnindex, fnindex
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+ TraceFormatConstants.FORMAT_FUNCTION_NAME_NORMAL_CASE
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.length(), fname);
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}
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int fnup = sb
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.indexOf(TraceFormatConstants.FORMAT_FUNCTION_NAME_UPPER_CASE);
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if (fnup >= 0) {
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sb.replace(fnup, fnup
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+ TraceFormatConstants.FORMAT_FUNCTION_NAME_UPPER_CASE
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.length(), fname.toUpperCase());
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}
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return sb.toString();
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}
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/**
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* Replaces invalid characters with '_'
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*
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* @param name
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* name to be converted
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* @return the converted name
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*/
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public static String convertName(String name) {
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StringBuffer sb;
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if (name.length() > 0) {
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boolean underscore = false;
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sb = new StringBuffer(name);
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if (Character.isDigit(name.charAt(0))) {
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sb.insert(0, UNDERSCORE_CHAR);
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}
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for (int i = 0; i < sb.length(); i++) {
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char c = sb.charAt(i);
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if (!Character.isLetterOrDigit(c)) {
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if (!underscore) {
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sb.setCharAt(i, UNDERSCORE_CHAR);
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underscore = true;
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} else {
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sb.deleteCharAt(i);
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i--;
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}
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} else {
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underscore = false;
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}
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}
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if (sb.length() > 0) {
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if (sb.charAt(sb.length() - 1) == UNDERSCORE_CHAR) {
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sb.deleteCharAt(sb.length() - 1);
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}
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} else {
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sb.append(UNDERSCORE);
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}
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} else {
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sb = new StringBuffer();
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}
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// If parameter value is NULL, it would be used as name
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String s = sb.toString();
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if (s.equals("NULL")) { //$NON-NLS-1$
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s = "_NULL"; //$NON-NLS-1$
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}
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return s;
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}
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}
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