summaryrefslogtreecommitdiffstats
path: root/src/dbusxmlscanner.cpp
blob: 666506dad0a037ff82bda8b429a8c7e2f1931804 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
/******************************************************************************
 *
 *
 *
 * Copyright (C) 2009 by Tobias Hunger <tobias@aquazul.com>
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation under the terms of the GNU General Public License is hereby
 * granted. No representations are made about the suitability of this software
 * for any purpose. It is provided "as is" without express or implied warranty.
 * See the GNU General Public License for more details.
 *
 * Documents produced by Doxygen are derivative works derived from the
 * input used in their production; they are not affected by this license.
 *
 */

#include "dbusxmlscanner.h"

#include "commentscan.h"
#include "entry.h"

#include <qfile.h>
#include <qxml.h>
#include <qstring.h>

#include "message.h"
#include "util.h"

// -----------------------------------------------------------------------
// Convenience defines:
// -----------------------------------------------------------------------

#define CONDITION(cond, msg) \
    do {\
        if (cond)\
        {\
            if (m_errorString.isEmpty()) { m_errorString = msg; }\
            return false;\
        }\
    }\
    while (0)

#define DOC_ERROR(msg) \
    warn_doc_error(m_fileName.utf8().data(), lineNumber(), msg.utf8().data())

#define COND_DOC_ERROR(cond, msg) \
    do {\
        if (cond)\
        {\
             DOC_ERROR(msg);\
             return true;\
        }\
    }\
    while (0)

#define DBUS(name) isDBusElement(namespaceURI, localName, qName, name)
#define EXTENSION(name) isExtensionElement(namespaceURI, localName, qName, name)

// -----------------------------------------------------------------------
// DBusXMLHandler class
// -----------------------------------------------------------------------

const QString EXTENSION_URI("http://psiamp.org/dtd/doxygen_dbusxml.dtd");

class DBusXMLHandler : public QXmlDefaultHandler
{
public:
    DBusXMLHandler(ParserInterface * parser,
                   QXmlSimpleReader * reader,
                   const char * file_name,
                   Entry * root) :
        m_parser(parser),
        m_locator(reader),
        m_currentEntry(0),
        m_currentInterface(0),
        m_currentMethod(0),
        m_currentArgument(0),
        m_currentProperty(0),
        m_currentEnum(0),
        m_fileName(file_name),
        m_currentComment(0)
    {
        setDocumentLocator(&m_locator);

        m_scopeCount = 0;

        // Set up stack cleanup:
        m_structStack.setAutoDelete(TRUE);
        m_elementStack.setAutoDelete(TRUE);
        m_scopeStack.setAutoDelete(TRUE);

        openScopes(root);
    }

    ~DBusXMLHandler()
    { closeScopes(); }

    QString errorString()
    { return m_errorString; }

    bool startElement(const QString &namespaceURI,
                      const QString &localName,
                      const QString &qName,
                      const QXmlAttributes &attributes)
    {
        // add to elements stack:
        m_elementStack.append(new ElementData(qName));

        // First we need a node.
        if (DBUS("node"))
        {
            CONDITION(!m_currentNode.isEmpty(), "Node inside a node.");

            const int idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(idx < 0, QString("Anonymous node found."));

            m_currentNode = attributes.value(idx);
            // A node is actually of little interest, so do nothing here.
            return true;
        }

        // Then we need an interface.
        if (DBUS("interface"))
        {
            // We need a nodeName for interfaces:
            CONDITION(m_currentNode.isEmpty(), "Interface without a node.");
            CONDITION(m_currentInterface, "Interface within another interface.");

            const int idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(idx < 0, QString("Interface without a name found."));

            // A interface is roughly equivalent to a class:
            m_currentInterface = createEntry();

            m_currentInterface->section = Entry::CLASS_SEC;
            m_currentInterface->spec |= Entry::Interface;
            m_currentInterface->type = "Interface";
            m_currentInterface->name = substitute(attributes.value(idx), ".", "::");

            openScopes(m_currentInterface);

            return true;
        }

        if (DBUS("method") || DBUS("signal"))
        {
            // We need a interfaceName for methods and signals:
            CONDITION(!m_currentInterface, "Method or signal found outside a interface.");
            CONDITION(m_currentMethod, "Method or signal found inside another method or signal.");
            CONDITION(m_currentProperty, "Methor or signal found inside a property.");
            CONDITION(!m_structStack.isEmpty(), "Method or signal found inside a struct.");
            CONDITION(m_currentEnum, "Methor or signal found inside a enum.");

            const int idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(idx < 0, QString("Method or signal without a name found."));

            m_currentMethod = createEntry();

            m_currentMethod->section = Entry::FUNCTION_SEC;
            m_currentMethod->name = attributes.value(idx);
            m_currentMethod->mtype = Method;
            m_currentMethod->type = "void";

            if (DBUS("signal"))
            { m_currentMethod->mtype = Signal; }
        }

        if (DBUS("arg"))
        {
            // We need a method for arguments:
            CONDITION(!m_currentMethod, "Argument found outside a method or signal.");
            CONDITION(m_currentArgument, "Argument found inside another argument.");

            const int name_idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(name_idx < 0, QString("Argument without a name found."));
            COND_DOC_ERROR(!hasType(attributes), QString("Argument without a type found."));

            const int direction_idx(indexOf(attributes, "direction"));

            if ((m_currentMethod->mtype == Signal &&
                 direction_idx >= 0 &&
                 attributes.value(direction_idx) != "in") ||
                (m_currentMethod->mtype == Method &&
                 direction_idx >= 0 &&
                 attributes.value(direction_idx) != "in" &&
                 attributes.value(direction_idx) != "out"))
            {
                m_errorString = "Invalid direction found.";
                return false;
            }

            m_currentArgument = new Argument;
            m_currentArgument->type = getType(attributes);
            m_currentArgument->name = attributes.value(name_idx);
            if (direction_idx >= 0)
            { m_currentArgument->attrib = attributes.value(direction_idx); }
            else
            {
                if (m_currentMethod->mtype == Signal)
                { m_currentArgument->attrib = "in"; }
                else
                { m_currentArgument->attrib = "out"; }
            }
        }

        if (DBUS("property"))
        {
            CONDITION(m_currentMethod, "Property found inside a method or signal.");
            CONDITION(!m_currentInterface, "Property found outside an interface.");
            CONDITION(m_currentProperty, "Property found inside another property.");
            CONDITION(!m_structStack.isEmpty(), "Property found inside a struct.");
            CONDITION(m_currentEnum, "Property found inside a enum.");

            const int name_idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(name_idx < 0, QString("Anonymous property found."));
            COND_DOC_ERROR(!hasType(attributes), QString("Property without a type found."));

            const int access_idx(indexOf(attributes, "access"));
            COND_DOC_ERROR(access_idx < 0, QString("Property without a access attribute found."));
            COND_DOC_ERROR(attributes.value(access_idx) != "read" &&
                           attributes.value(access_idx) != "write" &&
                           attributes.value(access_idx) != "readwrite",
                           QString("Property with invalid access attribute \"%1\" found.").
                           arg(attributes.value(access_idx)));

            m_currentProperty = createEntry();

            m_currentProperty->section = Entry::FUNCTION_SEC;

            if (attributes.value(access_idx) == "read" ||
                attributes.value(access_idx) == "readwrite")
            { m_currentProperty->spec |= Entry::Readable; }

            if (attributes.value(access_idx) == "write" ||
                attributes.value(access_idx) == "readwrite")
            { m_currentProperty->spec |= Entry::Writable; }

            m_currentProperty->name = attributes.value(name_idx);
            m_currentProperty->mtype = Property;
            m_currentProperty->type = getType(attributes);
        }

        if (EXTENSION("namespace"))
        {
            CONDITION(m_currentNode.isEmpty(), "Namespace found outside a node.");
            CONDITION(m_currentInterface, "Namespace found inside an interface.");

            const int idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(idx < 0, QString("Anonymous namespace found."));

            m_namespaceStack.append(openNamespace(attributes.value(idx)));
            openScopes(m_namespaceStack.last());
        }

        if (EXTENSION("struct"))
        {
            CONDITION(m_currentMethod, "Struct found inside a method or signal.");
            CONDITION(m_currentProperty, "Struct found inside a property.");
            CONDITION(m_currentEnum, "Struct found inside an enum.");

            const int idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(idx < 0, QString("Anonymous struct found."));

            Entry * current_struct = createEntry();
            current_struct->section = Entry::CLASS_SEC;
            current_struct->spec = Entry::Struct;
            current_struct->name = attributes.value(idx);

            openScopes(current_struct);

            current_struct->type = current_struct->name + " struct";

            m_structStack.append(new StructData(current_struct));
        }

        if (EXTENSION("member"))
        {
            CONDITION(m_structStack.isEmpty(), "Member found outside of struct.");

            const int name_idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(name_idx < 0, QString("Anonymous member found."));
            COND_DOC_ERROR(!hasType(attributes), QString("Member without a type found."));

            createEntry();

            m_currentEntry->section = Entry::VARIABLE_SEC;
            m_currentEntry->name = attributes.value(name_idx);
            m_currentEntry->type = getType(attributes);

            QString type(getDBusType(m_currentEntry->type));
            m_structStack.last()->type.append(type);
        }

        if (EXTENSION("enum") || EXTENSION("flagset"))
        {
            CONDITION(m_currentMethod, "Enum found inside a method or signal.");
            CONDITION(m_currentProperty, "Enum found inside a property.");

            const int name_idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(name_idx < 0, QString("Anonymous enum found."));

            const int type_idx(indexOf(attributes, "type"));
            QString type = "u";
            if (type_idx >= 0)
            { type = attributes.value(type_idx); }
            if (type != "y" && type != "q" && type != "u" && type != "t")
            { DOC_ERROR(QString("Invalid enum type \"%1\" found.").arg(type)); }

            m_currentEnum = createEntry();
            m_currentEnum->section = Entry::ENUM_SEC;
            m_currentEnum->name = attributes.value(name_idx);

            openScopes(m_currentEnum);

            m_currentEnum->type = m_currentEntry->name + " enum";

            addNamedType(type);
        }

        if (EXTENSION("value"))
        {
            CONDITION(!m_currentEnum, "Value found outside an enum.");

            const int name_idx(indexOf(attributes, "name"));
            COND_DOC_ERROR(name_idx < 0, QString("Anonymous value found."));

            const int value_idx(indexOf(attributes, "value"));

            createEntry();

            m_currentEntry->section = Entry::VARIABLE_SEC;
            m_currentEntry->name = attributes.value(name_idx);
            m_currentEntry->type = m_currentEnum->name; // "@"; // enum marker!
            if (value_idx >= 0)
            { m_currentEntry->initializer = attributes.value(value_idx); }
        }

        return true;
    }

    bool endElement(const QString &namespaceURI,
                    const QString &localName,
                    const QString &qName)
    {
        // Clean up elements stack:
        // Since we made sure to get the elements in the proper order when
        // adding we do not need to do so again here.
        COND_DOC_ERROR(m_elementStack.last()->element != qName,
                       QString("Malformed XML: Unexpected closing element found.").
                       arg(m_elementStack.last()->element));
        m_elementStack.removeLast();

        // Interface:
        if (DBUS("interface"))
        {
            CONDITION(m_currentInterface, "end of interface found without start.");
            m_currentInterface->endBodyLine = lineNumber();
            closeScopes();
            m_currentInterface = 0;
        }

        if (DBUS("method") || DBUS("signal"))
        {
            CONDITION(m_currentMethod, "end of method found without start.");
            CONDITION(m_currentInterface, "end of method found outside interface.");
            m_currentMethod->endBodyLine = lineNumber();
            m_currentInterface->addSubEntry(m_currentMethod);
            m_currentMethod = 0;
        }

        if (DBUS("property"))
        {
            CONDITION(m_currentMethod, "end of property found without start.");
            CONDITION(m_currentInterface, "end of property found outside interface.");
            m_currentProperty->endBodyLine = lineNumber();
            m_currentInterface->addSubEntry(m_currentProperty);
            m_currentProperty = 0;
        }

        if (DBUS("arg"))
        {
            CONDITION(m_currentMethod, "end of arg found outside method.");
            m_currentMethod->argList->append(m_currentArgument);
            m_currentArgument = 0;
        }

        if (EXTENSION("namespace"))
        {
            Entry * current = m_namespaceStack.last();
            CONDITION(current, "end of namespace without start.");
            m_namespaceStack.removeLast();

            current->endBodyLine = lineNumber();
            closeScopes();
        }

        if (EXTENSION("struct"))
        {
            StructData * data = m_structStack.last();
            CONDITION(data, "end of struct without start.");

            data->entry->endBodyLine = lineNumber();

            QString current_type;
            current_type.append(QString("("));
            current_type.append(data->type);
            current_type.append(QString(")"));

            addNamedType(current_type);

            closeScopes();

            m_structStack.removeLast();
        }

        if (EXTENSION("member"))
        {
           StructData * data = m_structStack.last();
           CONDITION(data, "end of struct without start");
           data->entry->addSubEntry(m_currentEntry);
        }

        if (EXTENSION("enum") || EXTENSION("flagset"))
        {
            CONDITION(m_currentEnum, "end of enum without start");
            m_currentEnum->endBodyLine = lineNumber();
            closeScopes();

            m_currentEnum = 0;
        }

        if (EXTENSION("value"))
        {
            CONDITION(m_currentEntry, "end of value without start");
            m_currentEntry->endBodyLine = lineNumber();

            m_currentEnum->addSubEntry(m_currentEntry);
        }

        return true;
    }

    bool characters(const QString & /*chars*/)
    { return true; }

    bool comment(const QString & comment_)
    {
        if (m_currentComment)
        { handleComment(); }

        m_currentComment = new CommentData(m_fileName, lineNumber(), comment_);

        if (!m_currentComment->shouldIgnore)
        {
            delete m_currentComment;
            m_currentComment = 0;
            return true;
        }

        if (m_currentComment->associateWithPrevious)
        { handleComment(); }

        return true;
    }

    void handleComment()
    {
        if (m_currentComment == 0 || m_currentEntry == 0)
        { return; }

        QCString text(m_currentComment->text);

        m_currentEntry->docFile = m_currentComment->fileName;
        m_currentEntry->docLine = m_currentComment->line;

        int position(0);
        bool needs_entry(false);
        bool brief(false);
        Protection prot(Public);
        int lineNr = lineNumber();

        while (parseCommentBlock(m_parser,
                                 m_currentEntry,
                                 text, m_fileName.utf8().data(), 
                                 lineNr,
                                 brief, m_currentComment->isJavaStyle,
                                 false,
                                 prot,
                                 position,
                                 needs_entry))
        {
            if (needs_entry) { createEntry(); }
        }
        if (needs_entry) { createEntry(); }

        delete m_currentComment;
        m_currentComment = 0;
    }

    QXmlLocator * locator()
    { return &m_locator; }

    int lineNumber()
    { return m_locator.lineNumber(); }

    void setSection()
    {
        Entry * current = createEntry();
        current->reset();

        current->name    = m_fileName.utf8();
        current->section = Entry::SOURCE_SEC;

        // Open/Close the scope to do the bookkeeping:
        openScopes(current);
        closeScopes();
    }

private:
    bool isDBusElement(const QString & namespaceURI,
                       const QString & localName,
                       const QString & qName,
                       const QString & element)
    {
        return (namespaceURI.isEmpty() && localName == element && qName == element) ||
               (namespaceURI.isEmpty() && localName.isEmpty() && qName == element);
    }

    bool isExtensionElement(const QString & namespaceURI,
                            const QString & localName,
                            const QString & qName,
                            const QString & element)
    {
        // isNull happens in startelement if no URI is used.
        if (namespaceURI.isNull())
        { return false; }

        // We are in a endElement: URI is always empty there:-(
        if (namespaceURI.isEmpty())
        { return qName == m_scopeStack.last()->extensionPrefix + element; }

        // startElemennt: We need to save the qName prefix
        // since endElement will forget about the namespaceURi:-(
        if (namespaceURI == EXTENSION_URI)
        {
            int pos = qName.find(':');
            m_scopeStack.last()->extensionPrefix = qName.left(pos + 1);
        }

        return namespaceURI == EXTENSION_URI && localName == element;
    }

    bool hasType(const QXmlAttributes & attributes)
    {
        const int type_idx(indexOf(attributes, "type"));
        const int named_type_idx(indexOf(attributes, "named-type"));

        return named_type_idx >= 0 || type_idx >= 0;
    }

    QString getType(const QXmlAttributes & attributes)
    {
        const int type_idx(indexOf(attributes, "type"));
        const int named_type_idx(indexOf(attributes, "named-type"));

        QString type;

        if (named_type_idx >= 0)
        {
            type = attributes.value(named_type_idx);
            if (!type.startsWith("::"))
            { type = getCurrentScope(attributes.value(named_type_idx)); }
            else
            { type = type.mid(2); }
            if (m_namedTypeMap.contains(type))
            {
                if (type_idx >= 0)
                {
                    const QString dbus_type(attributes.value(type_idx));
                    if (dbus_type != m_namedTypeMap[type])
                    {
                        DOC_ERROR(QString("Type \"%1\" does not match up with "
                                          "previous definition of named type \"%2\" (which was \"%3\".").
                                          arg(dbus_type).
                                          arg(type).
                                          arg(m_namedTypeMap[type]));
                    }
                }
                return type;
            }

            DOC_ERROR(QString("Undefined named type \"%1\" used.").arg(type));
        }

        if (type_idx >= 0)
        {
            type = attributes.value(type_idx);

            QRegExp reg_exp(QString("(a?[ybnqiuxdtsogv]|a[{]sv[}])"));
            if (reg_exp.match(type))
            { return type; }

            DOC_ERROR(QString("Unnamed complex D-Bus type \"%1\" found.").arg(type));
        }

        return QString();
    }

    QString getDBusType(const QString & type)
    {
        QString scoped_type = type;
        if (!scoped_type.contains("::"))
        { scoped_type = getCurrentScope(type); }

        if (m_namedTypeMap.contains(scoped_type))
        { return m_namedTypeMap[scoped_type]; }
        else
        { return type; }
    }

    void addNamedType(const QString type)
    {
        QString scoped_name(getCurrentScope());

        if (m_namedTypeMap.contains(scoped_name))
        {
            DOC_ERROR(QString("Named type \"%1\" is already defined.").arg(scoped_name));
            return;
        }

        m_namedTypeMap.insert(scoped_name, type);
    }

    QString getCurrentScope(const QString & type = QString())
    {
        QString scoped_name;
        if (!m_scopeStack.isEmpty())
        {
            scoped_name = m_scopeStack.last()->scope->name;
            scoped_name.append("::");
        }
        if (!type.isEmpty())
        { scoped_name.append(type); }
        else
        { scoped_name = scoped_name.left(scoped_name.length() - 2); }

        return scoped_name;
    }

    int indexOf(const QXmlAttributes & attributes, const QString & name,
                 const QString & type = "CDATA", const bool mandatory = true)
    {
        const int idx(attributes.index(name));
        if (idx < 0 || idx > attributes.length()) { return -1; }
        if (attributes.type(idx) != type) { return -1; }
        if (mandatory && attributes.value(idx).isEmpty()) { return -1; }

        return idx;
    }

    Entry * createEntry()
    {
        Entry * entry = new Entry();

        entry->protection = Public ;
        entry->virt       = Normal;
        entry->stat       = false;
        entry->objc       = false;
        entry->spec       = 0;

        entry->fileName  = m_fileName;
        entry->startLine = lineNumber();
        entry->bodyLine = lineNumber();

        entry->callGraph = false;
        entry->callerGraph = false;

        initGroupInfo(entry);

        m_currentEntry = entry;

        handleComment();

        return entry;
    }

    void openScopes(Entry * object)
    {
        int cur_scope_separator_pos = 0;
        int last_scope_separator_pos = 0;
        while (0 <= (cur_scope_separator_pos = object->name.find("::", last_scope_separator_pos)))
        {
            QString scope = object->name.mid(last_scope_separator_pos,
                                             cur_scope_separator_pos - last_scope_separator_pos);
            last_scope_separator_pos = cur_scope_separator_pos + 2;

            Entry * current_namespace = openNamespace(scope);

            if (!m_scopeStack.isEmpty())
            { m_scopeStack.last()->scope->addSubEntry(current_namespace); }

            m_scopeStack.append(new ScopeData(current_namespace, m_scopeCount));
        }

        QString scoped_name(getCurrentScope());
        if (!scoped_name.isEmpty())
        { scoped_name.append("::"); }
        scoped_name.append(object->name.mid(last_scope_separator_pos));

        object->name = scoped_name;

        if (!m_scopeStack.isEmpty())
        { m_scopeStack.last()->scope->addSubEntry(object); }
        m_scopeStack.append(new ScopeData(object, m_scopeCount));

        ++m_scopeCount;
    }

    Entry * openNamespace(const QString & name)
    {
        Entry * current_namespace = createEntry();
        QString scoped_name(getCurrentScope());
        if (!scoped_name.isEmpty())
        { scoped_name.append("::"); }
        scoped_name.append(name);
        current_namespace->name = scoped_name;
        current_namespace->section = Entry::NAMESPACE_SEC;
        current_namespace->type = "namespace" ;

        return current_namespace;
    }

    void closeScopes()
    {
        const int current_scope_count(m_scopeStack.last()->count);

        // Do not close the root scope.
        if (current_scope_count == 0)
        { return; }

        while (current_scope_count == m_scopeStack.last()->count)
        { m_scopeStack.removeLast(); }
    }

    ParserInterface * m_parser;

    QXmlLocator m_locator;
    QString m_currentNode; // Nodes can not be nested, no entry necessary.

    struct ElementData
    {
        ElementData(const QString & e) :
            element(e)
        { }
        ~ElementData() { }

        QString element; //*< The element name
        QString extensionPrefix; //*< The prefix used for our extension.
        QString text; //*< The actual xml code.
    };
    QList<ElementData> m_elementStack;

    Entry * m_currentEntry; // The currently open entry.

    Entry * m_currentInterface; // Interfaces can not be nested.
    Entry * m_currentMethod; // Methods can not be nested.
    Argument * m_currentArgument; // Arguments can not be nested.
    Entry * m_currentProperty; // Properties can not be nested.
    Entry * m_currentEnum; // Enums can not be nested.
    QList<Entry> m_namespaceStack;

    struct StructData
    {
        StructData(Entry * e) : entry(e) { }
        ~StructData() { }

        QString type;
        Entry * entry;
    };
    QList<StructData> m_structStack; // Structs can be nested.

    struct ScopeData
    {
        ScopeData(Entry * s, int c) :
            scope(s),
            count(c)
        { }
        ~ScopeData() { }

        Entry * scope;
        QString extensionPrefix;
        int count;
    };
    QList<ScopeData> m_scopeStack; // Scopes are nested.

    QString m_fileName;

    struct CommentData
    {
        CommentData(const QString & f, const int l, const QString & t) :
            isJavaStyle(false),
            isQtStyle(false),
            line(l),
            fileName(f)
        {
            isJavaStyle = t.startsWith(QChar('*'));
            isQtStyle = t.startsWith(QChar('!'));
            shouldIgnore = (!isJavaStyle && !isQtStyle);
            associateWithPrevious = (t.at(1) == QChar('<'));
            if (associateWithPrevious)
            { text = t.mid(2); }
            else
            { text = t.mid(1); }
        }
        ~CommentData() { }

        QString text;
        bool isJavaStyle;
        bool isQtStyle;
        bool shouldIgnore;
        bool associateWithPrevious;
        int line;
        QString fileName;
    };
    CommentData * m_currentComment;

    int m_scopeCount; //*< unique scope id.

    QString m_errorString;

    QMap<QString, QString> m_namedTypeMap;
};

// -----------------------------------------------------------------------
// DBusXMLScanner
// -----------------------------------------------------------------------

DBusXMLScanner::DBusXMLScanner()
{ }

DBusXMLScanner::~DBusXMLScanner()
{ }

void DBusXMLScanner::parseInput(const char * fileName,
                                const char * /* fileBuf */,
                                Entry * root)
{
    QFile inputFile(fileName);

    QXmlInputSource inputSource(inputFile);
    QXmlSimpleReader reader;

    DBusXMLHandler handler(this, &reader, fileName, root);
    reader.setContentHandler(&handler);
    reader.setErrorHandler(&handler);
    reader.setLexicalHandler(&handler);

    groupEnterFile(fileName, 1);
    handler.setSection();
    reader.parse(inputSource);

    if (handler.errorString())
    { err("DBus XML Parser: Error at line %d: %s\n", 
        handler.locator()->lineNumber(),handler.errorString().utf8().data()); }

    groupLeaveFile(fileName, 1);
}

bool DBusXMLScanner::needsPreprocessing(const QCString & /* extension */)
{ return (false); }

void DBusXMLScanner::parseCode(CodeOutputInterface & /* codeOutIntf */,
                               const char * /* scopeName */,
                               const QCString & /* input */,
                               bool /* isExampleBlock */,
                               const char * /* exampleName */,
                               FileDef * /* fileDef */,
                               int /* startLine */,
                               int /* endLine */,
                               bool /* inlineFragment */,
                               MemberDef * /* memberDef */,
                               bool /*showLineNumbers*/)
{ }

void DBusXMLScanner::resetCodeParserState()
{ }

void DBusXMLScanner::parsePrototype(const char * /* text */)
{ }