[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / internal / tmf / ui / parsers / custom / CustomTxtTrace.java

/*******************************************************************************\r
 * Copyright (c) 2010 Ericsson\r
 *\r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 *\r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.internal.tmf.ui.parsers.custom;\r
\r
import java.io.FileNotFoundException;\r
import java.io.IOException;\r
import java.util.HashMap;\r
import java.util.Iterator;\r
import java.util.List;\r
import java.util.Map.Entry;\r
import java.util.regex.Matcher;\r
\r
import org.eclipse.core.resources.IProject;\r
import org.eclipse.core.resources.IResource;\r
import org.eclipse.linuxtools.internal.tmf.ui.Activator;\r
import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomTxtTraceDefinition.InputLine;\r
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;\r
import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;\r
import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;\r
import org.eclipse.linuxtools.tmf.core.io.BufferedRandomAccessFile;\r
import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;\r
import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser;\r
import org.eclipse.linuxtools.tmf.core.trace.ITmfLocation;\r
import org.eclipse.linuxtools.tmf.core.trace.TmfContext;\r
import org.eclipse.linuxtools.tmf.core.trace.TmfLongLocation;\r
import org.eclipse.linuxtools.tmf.core.trace.TmfTrace;\r
\r
public class CustomTxtTrace extends TmfTrace implements ITmfEventParser {\r
\r
    private static final TmfLongLocation NULL_LOCATION = new TmfLongLocation((Long) null);\r
    private static final int DEFAULT_CACHE_SIZE = 100;\r
\r
    private final CustomTxtTraceDefinition fDefinition;\r
    private final CustomTxtEventType fEventType;\r
    private BufferedRandomAccessFile fFile;\r
\r
    public CustomTxtTrace(final CustomTxtTraceDefinition definition) {\r
        fDefinition = definition;\r
        fEventType = new CustomTxtEventType(fDefinition);\r
        setCacheSize(DEFAULT_CACHE_SIZE);\r
    }\r
\r
    public CustomTxtTrace(final IResource resource, final CustomTxtTraceDefinition definition, final String path, final int cacheSize) throws TmfTraceException {\r
        this(definition);\r
        setCacheSize((cacheSize > 0) ? cacheSize : DEFAULT_CACHE_SIZE);\r
        initTrace(resource, path, CustomTxtEvent.class);\r
    }\r
\r
    @Override\r
    public void initTrace(final IResource resource, final String path, final Class<? extends ITmfEvent> eventType) throws TmfTraceException {\r
        super.initTrace(resource, path, eventType);\r
        try {\r
            fFile = new BufferedRandomAccessFile(getPath(), "r"); //$NON-NLS-1$\r
        } catch (IOException e) {\r
            throw new TmfTraceException(e.getMessage(), e);\r
        }\r
        indexTrace(false);\r
    }\r
\r
    @Override\r
    public synchronized void dispose() {\r
        super.dispose();\r
        if (fFile != null) {\r
            try {\r
                fFile.close();\r
            } catch (IOException e) {\r
            } finally {\r
                fFile = null;\r
            }\r
        }\r
    }\r
\r
    @Override\r
    public synchronized TmfContext seekEvent(final ITmfLocation location) {\r
        final CustomTxtTraceContext context = new CustomTxtTraceContext(NULL_LOCATION, ITmfContext.UNKNOWN_RANK);\r
        if (NULL_LOCATION.equals(location) || fFile == null) {\r
            return context;\r
        }\r
        try {\r
            if (location == null) {\r
                fFile.seek(0);\r
            } else if (location.getLocationData() instanceof Long) {\r
                fFile.seek((Long) location.getLocationData());\r
            }\r
            String line;\r
            long rawPos = fFile.getFilePointer();\r
            while ((line = fFile.getNextLine()) != null) {\r
                for (final InputLine input : getFirstLines()) {\r
                    final Matcher matcher = input.getPattern().matcher(line);\r
                    if (matcher.find()) {\r
                        context.setLocation(new TmfLongLocation(rawPos));\r
                        context.firstLineMatcher = matcher;\r
                        context.firstLine = line;\r
                        context.nextLineLocation = fFile.getFilePointer();\r
                        context.inputLine = input;\r
                        return context;\r
                    }\r
                }\r
                rawPos = fFile.getFilePointer();\r
            }\r
            return context;\r
        } catch (final FileNotFoundException e) {\r
            Activator.getDefault().logError("Error seeking event. File not found: " + getPath(), e); //$NON-NLS-1$\r
            return context;\r
        } catch (final IOException e) {\r
            Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
            return context;\r
        }\r
\r
    }\r
\r
    @Override\r
    public synchronized TmfContext seekEvent(final double ratio) {\r
        if (fFile == null) {\r
            return new CustomTxtTraceContext(NULL_LOCATION, ITmfContext.UNKNOWN_RANK);\r
        }\r
        try {\r
            long pos = (long) (ratio * fFile.length());\r
            while (pos > 0) {\r
                fFile.seek(pos - 1);\r
                if (fFile.read() == '\n') {\r
                    break;\r
                }\r
                pos--;\r
            }\r
            final ITmfLocation location = new TmfLongLocation(pos);\r
            final TmfContext context = seekEvent(location);\r
            context.setRank(ITmfContext.UNKNOWN_RANK);\r
            return context;\r
        } catch (final IOException e) {\r
            Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
            return new CustomTxtTraceContext(NULL_LOCATION, ITmfContext.UNKNOWN_RANK);\r
        }\r
    }\r
\r
    @Override\r
    public synchronized double getLocationRatio(final ITmfLocation location) {\r
        if (fFile == null) {\r
            return 0;\r
        }\r
        try {\r
            if (location.getLocationData() instanceof Long) {\r
                return (double) ((Long) location.getLocationData()) / fFile.length();\r
            }\r
        } catch (final IOException e) {\r
            Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
        }\r
        return 0;\r
    }\r
\r
    @Override\r
    public ITmfLocation getCurrentLocation() {\r
        // TODO Auto-generated method stub\r
        return null;\r
    }\r
\r
    @Override\r
    public synchronized CustomTxtEvent parseEvent(final ITmfContext tmfContext) {\r
        ITmfContext context = seekEvent(tmfContext.getLocation());\r
        return parse(context);\r
    }\r
\r
    @Override\r
    public synchronized CustomTxtEvent getNext(final ITmfContext context) {\r
        final ITmfContext savedContext = context.clone();\r
        final CustomTxtEvent event = parse(context);\r
        if (event != null) {\r
            updateAttributes(savedContext, event.getTimestamp());\r
            context.increaseRank();\r
        }\r
        return event;\r
    }\r
\r
    private synchronized CustomTxtEvent parse(final ITmfContext tmfContext) {\r
        if (fFile == null) {\r
            return null;\r
        }\r
        if (!(tmfContext instanceof CustomTxtTraceContext)) {\r
            return null;\r
        }\r
\r
        final CustomTxtTraceContext context = (CustomTxtTraceContext) tmfContext;\r
        if (!(context.getLocation().getLocationData() instanceof Long) || NULL_LOCATION.equals(context.getLocation())) {\r
            return null;\r
        }\r
\r
        CustomTxtEvent event = parseFirstLine(context);\r
\r
        final HashMap<InputLine, Integer> countMap = new HashMap<InputLine, Integer>();\r
        InputLine currentInput = null;\r
        if (context.inputLine.childrenInputs != null && context.inputLine.childrenInputs.size() > 0) {\r
            currentInput = context.inputLine.childrenInputs.get(0);\r
            countMap.put(currentInput, 0);\r
        }\r
\r
        try {\r
            if (fFile.getFilePointer() != context.nextLineLocation) {\r
                fFile.seek(context.nextLineLocation);\r
            }\r
            String line;\r
            long rawPos = fFile.getFilePointer();\r
            while ((line = fFile.getNextLine()) != null) {\r
                boolean processed = false;\r
                if (currentInput == null) {\r
                    for (final InputLine input : getFirstLines()) {\r
                        final Matcher matcher = input.getPattern().matcher(line);\r
                        if (matcher.find()) {\r
                            context.setLocation(new TmfLongLocation(rawPos));\r
                            context.firstLineMatcher = matcher;\r
                            context.firstLine = line;\r
                            context.nextLineLocation = fFile.getFilePointer();\r
                            context.inputLine = input;\r
                            return event;\r
                        }\r
                    }\r
                } else {\r
                    if (countMap.get(currentInput) >= currentInput.getMinCount()) {\r
                        final List<InputLine> nextInputs = currentInput.getNextInputs(countMap);\r
                        if (nextInputs.size() == 0 || nextInputs.get(nextInputs.size() - 1).getMinCount() == 0) {\r
                            for (final InputLine input : getFirstLines()) {\r
                                final Matcher matcher = input.getPattern().matcher(line);\r
                                if (matcher.find()) {\r
                                    context.setLocation(new TmfLongLocation(rawPos));\r
                                    context.firstLineMatcher = matcher;\r
                                    context.firstLine = line;\r
                                    context.nextLineLocation = fFile.getFilePointer();\r
                                    context.inputLine = input;\r
                                    return event;\r
                                }\r
                            }\r
                        }\r
                        for (final InputLine input : nextInputs) {\r
                            final Matcher matcher = input.getPattern().matcher(line);\r
                            if (matcher.find()) {\r
                                event.processGroups(input, matcher);\r
                                currentInput = input;\r
                                if (countMap.get(currentInput) == null) {\r
                                    countMap.put(currentInput, 1);\r
                                } else {\r
                                    countMap.put(currentInput, countMap.get(currentInput) + 1);\r
                                }\r
                                Iterator<InputLine> iter = countMap.keySet().iterator();\r
                                while (iter.hasNext()) {\r
                                    final InputLine inputLine = iter.next();\r
                                    if (inputLine.level > currentInput.level) {\r
                                        iter.remove();\r
                                    }\r
                                }\r
                                if (currentInput.childrenInputs != null && currentInput.childrenInputs.size() > 0) {\r
                                    currentInput = currentInput.childrenInputs.get(0);\r
                                    countMap.put(currentInput, 0);\r
                                } else if (countMap.get(currentInput) >= currentInput.getMaxCount()) {\r
                                    if (currentInput.getNextInputs(countMap).size() > 0) {\r
                                        currentInput = currentInput.getNextInputs(countMap).get(0);\r
                                        if (countMap.get(currentInput) == null) {\r
                                            countMap.put(currentInput, 0);\r
                                        }\r
                                        iter = countMap.keySet().iterator();\r
                                        while (iter.hasNext()) {\r
                                            final InputLine inputLine = iter.next();\r
                                            if (inputLine.level > currentInput.level) {\r
                                                iter.remove();\r
                                            }\r
                                        }\r
                                    } else {\r
                                        currentInput = null;\r
                                    }\r
                                }\r
                                processed = true;\r
                                break;\r
                            }\r
                        }\r
                    }\r
                    if (! processed) {\r
                        final Matcher matcher = currentInput.getPattern().matcher(line);\r
                        if (matcher.find()) {\r
                            event.processGroups(currentInput, matcher);\r
                            countMap.put(currentInput, countMap.get(currentInput) + 1);\r
                            if (currentInput.childrenInputs != null && currentInput.childrenInputs.size() > 0) {\r
                                currentInput = currentInput.childrenInputs.get(0);\r
                                countMap.put(currentInput, 0);\r
                            } else if (countMap.get(currentInput) >= currentInput.getMaxCount()) {\r
                                if (currentInput.getNextInputs(countMap).size() > 0) {\r
                                    currentInput = currentInput.getNextInputs(countMap).get(0);\r
                                    if (countMap.get(currentInput) == null) {\r
                                        countMap.put(currentInput, 0);\r
                                    }\r
                                    final Iterator<InputLine> iter = countMap.keySet().iterator();\r
                                    while (iter.hasNext()) {\r
                                        final InputLine inputLine = iter.next();\r
                                        if (inputLine.level > currentInput.level) {\r
                                            iter.remove();\r
                                        }\r
                                    }\r
                                } else {\r
                                    currentInput = null;\r
                                }\r
                            }\r
                        }\r
                        ((StringBuffer) event.getContent().getValue()).append("\n").append(line); //$NON-NLS-1$\r
                    }\r
                }\r
                rawPos = fFile.getFilePointer();\r
            }\r
        } catch (final IOException e) {\r
            Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
        }\r
        for (final Entry<InputLine, Integer> entry : countMap.entrySet()) {\r
            if (entry.getValue() < entry.getKey().getMinCount()) {\r
                event = null;\r
            }\r
        }\r
        context.setLocation(NULL_LOCATION);\r
        return event;\r
    }\r
\r
    public List<InputLine> getFirstLines() {\r
        return fDefinition.inputs;\r
    }\r
\r
    public CustomTxtEvent parseFirstLine(final CustomTxtTraceContext context) {\r
        final CustomTxtEvent event = new CustomTxtEvent(fDefinition, this, TmfTimestamp.ZERO, "", fEventType, ""); //$NON-NLS-1$ //$NON-NLS-2$\r
        event.processGroups(context.inputLine, context.firstLineMatcher);\r
        event.setContent(new CustomEventContent(event, new StringBuffer(context.firstLine)));\r
        return event;\r
    }\r
\r
    public CustomTraceDefinition getDefinition() {\r
        return fDefinition;\r
    }\r
\r
    /* (non-Javadoc)\r
     * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String)\r
     */\r
    @Override\r
    public boolean validate(IProject project, String path) {\r
        return fileExists(path);\r
    }\r
}\r
Commit	Line	Data
c3c5c786 FC	1	/*******************************************************************************\r
c3c5c786 FC	2	* Copyright (c) 2010 Ericsson\r
6256d8ad	3	*\r
c3c5c786 FC	4	* All rights reserved. This program and the accompanying materials are\r
	5	* made available under the terms of the Eclipse Public License v1.0 which\r
	6	* accompanies this distribution, and is available at\r
	7	* http://www.eclipse.org/legal/epl-v10.html\r
6256d8ad	8	*\r
c3c5c786 FC	9	* Contributors:\r
	10	* Patrick Tasse - Initial API and implementation\r
	11	*******************************************************************************/\r
	12	\r
d34665f9	13	package org.eclipse.linuxtools.internal.tmf.ui.parsers.custom;\r
c3c5c786	14	\r
c3c5c786 FC	15	import java.io.FileNotFoundException;\r
c3c5c786 FC	16	import java.io.IOException;\r
c3c5c786 FC	17	import java.util.HashMap;\r
	18	import java.util.Iterator;\r
	19	import java.util.List;\r
	20	import java.util.Map.Entry;\r
	21	import java.util.regex.Matcher;\r
c3c5c786	22	\r
2352aed9	23	import org.eclipse.core.resources.IProject;\r
25e48683	24	import org.eclipse.core.resources.IResource;\r
8fd82db5	25	import org.eclipse.linuxtools.internal.tmf.ui.Activator;\r
d34665f9	26	import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomTxtTraceDefinition.InputLine;\r
6256d8ad	27	import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;\r
6c13869b	28	import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;\r
b4f71e4a	29	import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;\r
6c13869b FC	30	import org.eclipse.linuxtools.tmf.core.io.BufferedRandomAccessFile;\r
6c13869b FC	31	import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;\r
7e6347b0	32	import org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser;\r
6c13869b	33	import org.eclipse.linuxtools.tmf.core.trace.ITmfLocation;\r
6c13869b	34	import org.eclipse.linuxtools.tmf.core.trace.TmfContext;\r
cb8c854e	35	import org.eclipse.linuxtools.tmf.core.trace.TmfLongLocation;\r
6c13869b	36	import org.eclipse.linuxtools.tmf.core.trace.TmfTrace;\r
c3c5c786	37	\r
6256d8ad	38	public class CustomTxtTrace extends TmfTrace implements ITmfEventParser {\r
c3c5c786	39	\r
cb8c854e	40	private static final TmfLongLocation NULL_LOCATION = new TmfLongLocation((Long) null);\r
3118edf1	41	private static final int DEFAULT_CACHE_SIZE = 100;\r
1b70b6dc	42	\r
25e48683 FC	43	private final CustomTxtTraceDefinition fDefinition;\r
25e48683 FC	44	private final CustomTxtEventType fEventType;\r
2a4fba11	45	private BufferedRandomAccessFile fFile;\r
4bf17f4a	46	\r
25e48683	47	public CustomTxtTrace(final CustomTxtTraceDefinition definition) {\r
4bf17f4a	48	fDefinition = definition;\r
4bf17f4a	49	fEventType = new CustomTxtEventType(fDefinition);\r
c843ebb5	50	setCacheSize(DEFAULT_CACHE_SIZE);\r
4bf17f4a	51	}\r
4bf17f4a	52	\r
c843ebb5 PT	53	public CustomTxtTrace(final IResource resource, final CustomTxtTraceDefinition definition, final String path, final int cacheSize) throws TmfTraceException {\r
	54	this(definition);\r
	55	setCacheSize((cacheSize > 0) ? cacheSize : DEFAULT_CACHE_SIZE);\r
	56	initTrace(resource, path, CustomTxtEvent.class);\r
c3c5c786 FC	57	}\r
c3c5c786 FC	58	\r
1b70b6dc	59	@Override\r
6256d8ad	60	public void initTrace(final IResource resource, final String path, final Class<? extends ITmfEvent> eventType) throws TmfTraceException {\r
25e48683	61	super.initTrace(resource, path, eventType);\r
2a4fba11 PT	62	try {\r
	63	fFile = new BufferedRandomAccessFile(getPath(), "r"); //$NON-NLS-1$\r
	64	} catch (IOException e) {\r
	65	throw new TmfTraceException(e.getMessage(), e);\r
	66	}\r
64e16ee9	67	indexTrace(false);\r
c3c5c786 FC	68	}\r
	69	\r
	70	@Override\r
2a4fba11 PT	71	public synchronized void dispose() {\r
	72	super.dispose();\r
	73	if (fFile != null) {\r
	74	try {\r
	75	fFile.close();\r
	76	} catch (IOException e) {\r
	77	} finally {\r
	78	fFile = null;\r
	79	}\r
	80	}\r
	81	}\r
	82	\r
	83	@Override\r
1e1bef82	84	public synchronized TmfContext seekEvent(final ITmfLocation location) {\r
2352aed9	85	final CustomTxtTraceContext context = new CustomTxtTraceContext(NULL_LOCATION, ITmfContext.UNKNOWN_RANK);\r
2a4fba11	86	if (NULL_LOCATION.equals(location) \|\| fFile == null) {\r
c3c5c786	87	return context;\r
2a4fba11	88	}\r
c3c5c786	89	try {\r
2a4fba11 PT	90	if (location == null) {\r
2a4fba11 PT	91	fFile.seek(0);\r
6bab4511 AM	92	} else if (location.getLocationData() instanceof Long) {\r
6bab4511 AM	93	fFile.seek((Long) location.getLocationData());\r
09e86496	94	}\r
c3c5c786	95	String line;\r
2a4fba11 PT	96	long rawPos = fFile.getFilePointer();\r
2a4fba11 PT	97	while ((line = fFile.getNextLine()) != null) {\r
25e48683 FC	98	for (final InputLine input : getFirstLines()) {\r
25e48683 FC	99	final Matcher matcher = input.getPattern().matcher(line);\r
c3c5c786	100	if (matcher.find()) {\r
cb8c854e	101	context.setLocation(new TmfLongLocation(rawPos));\r
c3c5c786	102	context.firstLineMatcher = matcher;\r
d7fcacc9	103	context.firstLine = line;\r
2a4fba11	104	context.nextLineLocation = fFile.getFilePointer();\r
c3c5c786 FC	105	context.inputLine = input;\r
	106	return context;\r
	107	}\r
	108	}\r
2a4fba11	109	rawPos = fFile.getFilePointer();\r
c3c5c786 FC	110	}\r
c3c5c786 FC	111	return context;\r
25e48683	112	} catch (final FileNotFoundException e) {\r
8fd82db5	113	Activator.getDefault().logError("Error seeking event. File not found: " + getPath(), e); //$NON-NLS-1$\r
c3c5c786	114	return context;\r
25e48683	115	} catch (final IOException e) {\r
8fd82db5	116	Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
c3c5c786 FC	117	return context;\r
c3c5c786 FC	118	}\r
25e48683	119	\r
c3c5c786 FC	120	}\r
c3c5c786 FC	121	\r
c76c54bb	122	@Override\r
2a4fba11 PT	123	public synchronized TmfContext seekEvent(final double ratio) {\r
	124	if (fFile == null) {\r
	125	return new CustomTxtTraceContext(NULL_LOCATION, ITmfContext.UNKNOWN_RANK);\r
	126	}\r
c76c54bb	127	try {\r
2a4fba11	128	long pos = (long) (ratio * fFile.length());\r
a79913eb	129	while (pos > 0) {\r
2a4fba11 PT	130	fFile.seek(pos - 1);\r
2a4fba11 PT	131	if (fFile.read() == '\n') {\r
09e86496 FC	132	break;\r
09e86496 FC	133	}\r
a79913eb FC	134	pos--;\r
a79913eb FC	135	}\r
1e1bef82	136	final ITmfLocation location = new TmfLongLocation(pos);\r
7e6347b0	137	final TmfContext context = seekEvent(location);\r
c76c54bb FC	138	context.setRank(ITmfContext.UNKNOWN_RANK);\r
c76c54bb FC	139	return context;\r
25e48683	140	} catch (final IOException e) {\r
8fd82db5	141	Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
2352aed9	142	return new CustomTxtTraceContext(NULL_LOCATION, ITmfContext.UNKNOWN_RANK);\r
c76c54bb FC	143	}\r
	144	}\r
	145	\r
	146	@Override\r
1e1bef82	147	public synchronized double getLocationRatio(final ITmfLocation location) {\r
2a4fba11 PT	148	if (fFile == null) {\r
	149	return 0;\r
	150	}\r
c76c54bb	151	try {\r
6bab4511 AM	152	if (location.getLocationData() instanceof Long) {\r
6bab4511 AM	153	return (double) ((Long) location.getLocationData()) / fFile.length();\r
c76c54bb	154	}\r
25e48683	155	} catch (final IOException e) {\r
8fd82db5	156	Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
c76c54bb FC	157	}\r
	158	return 0;\r
	159	}\r
	160	\r
c3c5c786	161	@Override\r
1e1bef82	162	public ITmfLocation getCurrentLocation() {\r
c3c5c786 FC	163	// TODO Auto-generated method stub\r
	164	return null;\r
	165	}\r
	166	\r
2a4fba11 PT	167	@Override\r
	168	public synchronized CustomTxtEvent parseEvent(final ITmfContext tmfContext) {\r
	169	ITmfContext context = seekEvent(tmfContext.getLocation());\r
	170	return parse(context);\r
	171	}\r
	172	\r
c3c5c786	173	@Override\r
c32744d6	174	public synchronized CustomTxtEvent getNext(final ITmfContext context) {\r
25e48683	175	final ITmfContext savedContext = context.clone();\r
2a4fba11	176	final CustomTxtEvent event = parse(context);\r
c3c5c786	177	if (event != null) {\r
d337369a	178	updateAttributes(savedContext, event.getTimestamp());\r
cbdacf03	179	context.increaseRank();\r
c3c5c786 FC	180	}\r
	181	return event;\r
	182	}\r
	183	\r
2a4fba11 PT	184	private synchronized CustomTxtEvent parse(final ITmfContext tmfContext) {\r
	185	if (fFile == null) {\r
	186	return null;\r
	187	}\r
	188	if (!(tmfContext instanceof CustomTxtTraceContext)) {\r
c3c5c786	189	return null;\r
2a4fba11	190	}\r
25e48683 FC	191	\r
25e48683 FC	192	final CustomTxtTraceContext context = (CustomTxtTraceContext) tmfContext;\r
6bab4511	193	if (!(context.getLocation().getLocationData() instanceof Long) \|\| NULL_LOCATION.equals(context.getLocation())) {\r
c3c5c786	194	return null;\r
2a4fba11	195	}\r
c3c5c786 FC	196	\r
	197	CustomTxtEvent event = parseFirstLine(context);\r
	198	\r
25e48683	199	final HashMap<InputLine, Integer> countMap = new HashMap<InputLine, Integer>();\r
c3c5c786 FC	200	InputLine currentInput = null;\r
	201	if (context.inputLine.childrenInputs != null && context.inputLine.childrenInputs.size() > 0) {\r
	202	currentInput = context.inputLine.childrenInputs.get(0);\r
	203	countMap.put(currentInput, 0);\r
	204	}\r
25e48683	205	\r
2a4fba11 PT	206	try {\r
	207	if (fFile.getFilePointer() != context.nextLineLocation) {\r
	208	fFile.seek(context.nextLineLocation);\r
	209	}\r
	210	String line;\r
	211	long rawPos = fFile.getFilePointer();\r
	212	while ((line = fFile.getNextLine()) != null) {\r
	213	boolean processed = false;\r
	214	if (currentInput == null) {\r
	215	for (final InputLine input : getFirstLines()) {\r
	216	final Matcher matcher = input.getPattern().matcher(line);\r
	217	if (matcher.find()) {\r
cb8c854e	218	context.setLocation(new TmfLongLocation(rawPos));\r
2a4fba11 PT	219	context.firstLineMatcher = matcher;\r
	220	context.firstLine = line;\r
	221	context.nextLineLocation = fFile.getFilePointer();\r
	222	context.inputLine = input;\r
	223	return event;\r
c3c5c786	224	}\r
2a4fba11 PT	225	}\r
	226	} else {\r
	227	if (countMap.get(currentInput) >= currentInput.getMinCount()) {\r
	228	final List<InputLine> nextInputs = currentInput.getNextInputs(countMap);\r
	229	if (nextInputs.size() == 0 \|\| nextInputs.get(nextInputs.size() - 1).getMinCount() == 0) {\r
	230	for (final InputLine input : getFirstLines()) {\r
25e48683	231	final Matcher matcher = input.getPattern().matcher(line);\r
c3c5c786	232	if (matcher.find()) {\r
cb8c854e	233	context.setLocation(new TmfLongLocation(rawPos));\r
2a4fba11 PT	234	context.firstLineMatcher = matcher;\r
	235	context.firstLine = line;\r
	236	context.nextLineLocation = fFile.getFilePointer();\r
	237	context.inputLine = input;\r
	238	return event;\r
c3c5c786 FC	239	}\r
	240	}\r
	241	}\r
2a4fba11 PT	242	for (final InputLine input : nextInputs) {\r
2a4fba11 PT	243	final Matcher matcher = input.getPattern().matcher(line);\r
c3c5c786	244	if (matcher.find()) {\r
2a4fba11 PT	245	event.processGroups(input, matcher);\r
	246	currentInput = input;\r
	247	if (countMap.get(currentInput) == null) {\r
	248	countMap.put(currentInput, 1);\r
	249	} else {\r
	250	countMap.put(currentInput, countMap.get(currentInput) + 1);\r
	251	}\r
	252	Iterator<InputLine> iter = countMap.keySet().iterator();\r
	253	while (iter.hasNext()) {\r
	254	final InputLine inputLine = iter.next();\r
	255	if (inputLine.level > currentInput.level) {\r
	256	iter.remove();\r
	257	}\r
	258	}\r
c3c5c786 FC	259	if (currentInput.childrenInputs != null && currentInput.childrenInputs.size() > 0) {\r
	260	currentInput = currentInput.childrenInputs.get(0);\r
	261	countMap.put(currentInput, 0);\r
2a4fba11	262	} else if (countMap.get(currentInput) >= currentInput.getMaxCount()) {\r
25e48683 FC	263	if (currentInput.getNextInputs(countMap).size() > 0) {\r
25e48683 FC	264	currentInput = currentInput.getNextInputs(countMap).get(0);\r
09e86496	265	if (countMap.get(currentInput) == null) {\r
25e48683	266	countMap.put(currentInput, 0);\r
09e86496	267	}\r
2a4fba11	268	iter = countMap.keySet().iterator();\r
25e48683 FC	269	while (iter.hasNext()) {\r
25e48683 FC	270	final InputLine inputLine = iter.next();\r
09e86496	271	if (inputLine.level > currentInput.level) {\r
25e48683	272	iter.remove();\r
09e86496	273	}\r
c3c5c786	274	}\r
09e86496	275	} else {\r
25e48683	276	currentInput = null;\r
09e86496	277	}\r
2a4fba11 PT	278	}\r
	279	processed = true;\r
	280	break;\r
	281	}\r
	282	}\r
	283	}\r
	284	if (! processed) {\r
	285	final Matcher matcher = currentInput.getPattern().matcher(line);\r
	286	if (matcher.find()) {\r
	287	event.processGroups(currentInput, matcher);\r
	288	countMap.put(currentInput, countMap.get(currentInput) + 1);\r
	289	if (currentInput.childrenInputs != null && currentInput.childrenInputs.size() > 0) {\r
	290	currentInput = currentInput.childrenInputs.get(0);\r
	291	countMap.put(currentInput, 0);\r
	292	} else if (countMap.get(currentInput) >= currentInput.getMaxCount()) {\r
	293	if (currentInput.getNextInputs(countMap).size() > 0) {\r
	294	currentInput = currentInput.getNextInputs(countMap).get(0);\r
	295	if (countMap.get(currentInput) == null) {\r
	296	countMap.put(currentInput, 0);\r
	297	}\r
	298	final Iterator<InputLine> iter = countMap.keySet().iterator();\r
	299	while (iter.hasNext()) {\r
	300	final InputLine inputLine = iter.next();\r
	301	if (inputLine.level > currentInput.level) {\r
	302	iter.remove();\r
	303	}\r
	304	}\r
	305	} else {\r
	306	currentInput = null;\r
	307	}\r
c3c5c786 FC	308	}\r
c3c5c786 FC	309	}\r
2a4fba11	310	((StringBuffer) event.getContent().getValue()).append("\n").append(line); //$NON-NLS-1$\r
c3c5c786	311	}\r
c3c5c786	312	}\r
2a4fba11	313	rawPos = fFile.getFilePointer();\r
c3c5c786	314	}\r
2a4fba11 PT	315	} catch (final IOException e) {\r
2a4fba11 PT	316	Activator.getDefault().logError("Error seeking event. File: " + getPath(), e); //$NON-NLS-1$\r
c3c5c786	317	}\r
2a4fba11	318	for (final Entry<InputLine, Integer> entry : countMap.entrySet()) {\r
09e86496	319	if (entry.getValue() < entry.getKey().getMinCount()) {\r
c3c5c786	320	event = null;\r
09e86496	321	}\r
2a4fba11	322	}\r
d7fcacc9	323	context.setLocation(NULL_LOCATION);\r
c3c5c786 FC	324	return event;\r
	325	}\r
	326	\r
	327	public List<InputLine> getFirstLines() {\r
	328	return fDefinition.inputs;\r
	329	}\r
25e48683 FC	330	\r
	331	public CustomTxtEvent parseFirstLine(final CustomTxtTraceContext context) {\r
	332	final CustomTxtEvent event = new CustomTxtEvent(fDefinition, this, TmfTimestamp.ZERO, "", fEventType, ""); //$NON-NLS-1$ //$NON-NLS-2$\r
c3c5c786	333	event.processGroups(context.inputLine, context.firstLineMatcher);\r
2a4fba11	334	event.setContent(new CustomEventContent(event, new StringBuffer(context.firstLine)));\r
c3c5c786 FC	335	return event;\r
c3c5c786 FC	336	}\r
25e48683	337	\r
c3c5c786 FC	338	public CustomTraceDefinition getDefinition() {\r
	339	return fDefinition;\r
	340	}\r
2352aed9 FC	341	\r
	342	/* (non-Javadoc)\r
	343	* @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String)\r
	344	*/\r
	345	@Override\r
	346	public boolean validate(IProject project, String path) {\r
	347	return fileExists(path);\r
	348	}\r
c3c5c786	349	}\r