summaryrefslogtreecommitdiff
path: root/configmgr/source/xcsparser.cxx
blob: 947792c0a62e39251c3dcfcf58ef9c53b408ad25 (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
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include <cassert>
#include <set>

#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <rtl/ref.hxx>
#include <rtl/strbuf.hxx>
#include <rtl/string.hxx>
#include <rtl/ustring.hxx>
#include <xmlreader/span.hxx>
#include <xmlreader/xmlreader.hxx>

#include "data.hxx"
#include "localizedpropertynode.hxx"
#include "groupnode.hxx"
#include "node.hxx"
#include "nodemap.hxx"
#include "parsemanager.hxx"
#include "propertynode.hxx"
#include "setnode.hxx"
#include "xcsparser.hxx"
#include "xmldata.hxx"

namespace configmgr {

namespace {

// Conservatively merge a template or component (and its recursive parts) into
// an existing instance:
void merge(
    rtl::Reference< Node > const & original,
    rtl::Reference< Node > const & update)
{
    assert(
        original.is() && update.is() && original->kind() == update->kind() &&
        update->getFinalized() == Data::NO_LAYER);
    if (update->getLayer() < original->getLayer() ||
        update->getLayer() > original->getFinalized())
        return;

    switch (original->kind()) {
    case Node::KIND_PROPERTY:
    case Node::KIND_LOCALIZED_PROPERTY:
    case Node::KIND_LOCALIZED_VALUE:
        break; //TODO: merge certain parts?
    case Node::KIND_GROUP:
        for (auto const& updateMember : update->getMembers())
        {
            NodeMap & members = original->getMembers();
            NodeMap::iterator i1(members.find(updateMember.first));
            if (i1 == members.end()) {
                if (updateMember.second->kind() == Node::KIND_PROPERTY &&
                    static_cast< GroupNode * >(
                        original.get())->isExtensible())
                {
                    members.insert(updateMember);
                }
            } else if (updateMember.second->kind() == i1->second->kind()) {
                merge(i1->second, updateMember.second);
            }
        }
        break;
    case Node::KIND_SET:
        for (auto const& updateMember : update->getMembers())
        {
            NodeMap & members = original->getMembers();
            NodeMap::iterator i1(members.find(updateMember.first));
            if (i1 == members.end()) {
                if (static_cast< SetNode * >(original.get())->
                    isValidTemplate(updateMember.second->getTemplateName()))
                {
                    members.insert(updateMember);
                }
            } else if (updateMember.second->kind() == i1->second->kind() &&
                       (updateMember.second->getTemplateName() ==
                        i1->second->getTemplateName()))
            {
                merge(i1->second, updateMember.second);
            }
        }
        break;
    case Node::KIND_ROOT:
        assert(false); // this cannot happen
        break;
    }
}

}

XcsParser::XcsParser(int layer, Data & data):
    valueParser_(layer), data_(data), state_(STATE_START), ignoring_()
{}

XcsParser::~XcsParser() {}

xmlreader::XmlReader::Text XcsParser::getTextMode() {
    return valueParser_.getTextMode();
}

bool XcsParser::startElement(
    xmlreader::XmlReader & reader, int nsId, xmlreader::Span const & name,
    std::set< OUString > const * /*existingDependencies*/)
{
    if (valueParser_.startElement(reader, nsId, name)) {
        return true;
    }
    if (state_ == STATE_START) {
        if (nsId == ParseManager::NAMESPACE_OOR &&
            name == "component-schema")
        {
            handleComponentSchema(reader);
            state_ = STATE_COMPONENT_SCHEMA;
            ignoring_ = 0;
            return true;
        }
    } else {
        //TODO: ignoring component-schema import, component-schema uses, and
        // prop constraints; accepting all four at illegal places (and with
        // illegal content):
        if (ignoring_ > 0 ||
            (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
             (name == "info" || name == "import" ||
              name == "uses" || name == "constraints")))
        {
            assert(ignoring_ < LONG_MAX);
            ++ignoring_;
            return true;
        }
        switch (state_) {
        case STATE_COMPONENT_SCHEMA:
            if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                name == "templates")
            {
                state_ = STATE_TEMPLATES;
                return true;
            }
            [[fallthrough]];
        case STATE_TEMPLATES_DONE:
            if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                name == "component")
            {
                state_ = STATE_COMPONENT;
                assert(elements_.empty());
                elements_.push(
                    Element(
                        new GroupNode(valueParser_.getLayer(), false, ""),
                        componentName_));
                return true;
            }
            break;
        case STATE_TEMPLATES:
            if (elements_.empty()) {
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "group")
                {
                    handleGroup(reader, true);
                    return true;
                }
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "set")
                {
                    handleSet(reader, true);
                    return true;
                }
                break;
            }
            [[fallthrough]];
        case STATE_COMPONENT:
            assert(!elements_.empty());
            switch (elements_.top().node->kind()) {
            case Node::KIND_PROPERTY:
            case Node::KIND_LOCALIZED_PROPERTY:
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "value")
                {
                    handlePropValue(reader, elements_.top().node);
                    return true;
                }
                break;
            case Node::KIND_GROUP:
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "prop")
                {
                    handleProp(reader);
                    return true;
                }
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "node-ref")
                {
                    handleNodeRef(reader);
                    return true;
                }
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "group")
                {
                    handleGroup(reader, false);
                    return true;
                }
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "set")
                {
                    handleSet(reader, false);
                    return true;
                }
                break;
            case Node::KIND_SET:
                if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
                    name == "item")
                {
                    handleSetItem(
                        reader,
                        static_cast< SetNode * >(elements_.top().node.get()));
                    return true;
                }
                break;
            default: // Node::KIND_LOCALIZED_VALUE
                assert(false); // this cannot happen
                break;
            }
            break;
        case STATE_COMPONENT_DONE:
            break;
        default: // STATE_START
            assert(false); // this cannot happen
            break;
        }
    }
    throw css::uno::RuntimeException(
        "bad member <" + name.convertFromUtf8() + "> in " + reader.getUrl());
}

void XcsParser::endElement(xmlreader::XmlReader const & reader) {
    if (valueParser_.endElement()) {
        return;
    }
    if (ignoring_ > 0) {
        --ignoring_;
    } else if (!elements_.empty()) {
        Element top(std::move(elements_.top()));
        elements_.pop();
        if (top.node.is()) {
            if (elements_.empty()) {
                switch (state_) {
                case STATE_TEMPLATES:
                    {
                        auto itPair = data_.templates.insert({top.name, top.node});
                        if (!itPair.second) {
                            merge(itPair.first->second, top.node);
                        }
                    }
                    break;
                case STATE_COMPONENT:
                    {
                        NodeMap & components = data_.getComponents();
                        auto itPair = components.insert({top.name, top.node});
                        if (!itPair.second) {
                            merge(itPair.first->second, top.node);
                        }
                        state_ = STATE_COMPONENT_DONE;
                    }
                    break;
                default:
                    assert(false);
                    throw css::uno::RuntimeException(
                        "this cannot happen");
                }
            } else {
                if (!elements_.top().node->getMembers().insert(
                        NodeMap::value_type(top.name, top.node)).second)
                {
                    throw css::uno::RuntimeException(
                        "duplicate " + top.name + " in " + reader.getUrl());
                }
            }
        }
    } else {
        switch (state_) {
        case STATE_COMPONENT_SCHEMA:
            // To support old, broken extensions with .xcs files that contain
            // empty <component-schema> elements:
            state_ = STATE_COMPONENT_DONE;
            break;
        case STATE_TEMPLATES:
            state_ = STATE_TEMPLATES_DONE;
            break;
        case STATE_TEMPLATES_DONE:
            throw css::uno::RuntimeException(
                "no component element in " + reader.getUrl());
        case STATE_COMPONENT_DONE:
            break;
        default:
            assert(false); // this cannot happen
        }
    }
}

void XcsParser::characters(xmlreader::Span const & text) {
    valueParser_.characters(text);
}

void XcsParser::handleComponentSchema(xmlreader::XmlReader & reader) {
    //TODO: oor:version, xml:lang attributes
    OStringBuffer buf(256);
    buf.append('.');
    bool hasPackage = false;
    bool hasName = false;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR && attrLn == "package")
        {
            if (hasPackage) {
                throw css::uno::RuntimeException(
                    "multiple component-schema package attributes in " +
                    reader.getUrl());
            }
            hasPackage = true;
            xmlreader::Span s(reader.getAttributeValue(false));
            buf.insert(0, s.begin, s.length);
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "name")
        {
            if (hasName) {
                throw css::uno::RuntimeException(
                    "multiple component-schema name attributes in " +
                    reader.getUrl());
            }
            hasName = true;
            xmlreader::Span s(reader.getAttributeValue(false));
            buf.append(s.begin, s.length);
        }
    }
    if (!hasPackage) {
        throw css::uno::RuntimeException(
            "no component-schema package attribute in " + reader.getUrl());
    }
    if (!hasName) {
        throw css::uno::RuntimeException(
            "no component-schema name attribute in " + reader.getUrl());
    }
    componentName_ = xmlreader::Span(buf.getStr(), buf.getLength()).
        convertFromUtf8();
}

void XcsParser::handleNodeRef(xmlreader::XmlReader & reader) {
    bool hasName = false;
    OUString name;
    OUString component(componentName_);
    bool hasNodeType = false;
    OUString nodeType;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR && attrLn == "name") {
            hasName = true;
            name = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "component")
        {
            component = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "node-type")
        {
            hasNodeType = true;
            nodeType = reader.getAttributeValue(false).convertFromUtf8();
        }
    }
    if (!hasName) {
        throw css::uno::RuntimeException(
            "no node-ref name attribute in " + reader.getUrl());
    }
    rtl::Reference< Node > tmpl(
        data_.getTemplate(
            valueParser_.getLayer(),
            xmldata::parseTemplateReference(
                component, hasNodeType, nodeType, nullptr)));
    if (!tmpl.is()) {
        //TODO: this can erroneously happen as long as import/uses attributes
        // are not correctly processed
        throw css::uno::RuntimeException(
            "unknown node-ref " + name + " in " + reader.getUrl());
    }
    rtl::Reference< Node > node(tmpl->clone(false));
    node->setLayer(valueParser_.getLayer());
    elements_.push(Element(node, name));
}

void XcsParser::handleProp(xmlreader::XmlReader & reader) {
    bool hasName = false;
    OUString name;
    valueParser_.type_ = TYPE_ERROR;
    bool localized = false;
    bool nillable = true;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR && attrLn == "name") {
            hasName = true;
            name = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "type")
        {
            valueParser_.type_ = xmldata::parseType(
                reader, reader.getAttributeValue(true));
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "localized")
        {
            localized = xmldata::parseBoolean(reader.getAttributeValue(true));
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "nillable")
        {
            nillable = xmldata::parseBoolean(reader.getAttributeValue(true));
        }
    }
    if (!hasName) {
        throw css::uno::RuntimeException(
            "no prop name attribute in " + reader.getUrl());
    }
    if (valueParser_.type_ == TYPE_ERROR) {
        throw css::uno::RuntimeException(
            "no prop type attribute in " + reader.getUrl());
    }
    elements_.push(
        Element(
            (localized
             ? rtl::Reference< Node >(
                 new LocalizedPropertyNode(
                     valueParser_.getLayer(), valueParser_.type_, nillable))
             : rtl::Reference< Node >(
                 new PropertyNode(
                     valueParser_.getLayer(), valueParser_.type_, nillable,
                     css::uno::Any(), false))),
            name));
}

void XcsParser::handlePropValue(
    xmlreader::XmlReader & reader, rtl::Reference< Node > const & property)
{
    xmlreader::Span attrSeparator;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR &&
            attrLn == "separator")
        {
            attrSeparator = reader.getAttributeValue(false);
            if (attrSeparator.length == 0) {
                throw css::uno::RuntimeException(
                    "bad oor:separator attribute in " + reader.getUrl());
            }
        }
    }
    valueParser_.separator_ = OString(
        attrSeparator.begin, attrSeparator.length);
    valueParser_.start(property);
}

void XcsParser::handleGroup(xmlreader::XmlReader & reader, bool isTemplate) {
    bool hasName = false;
    OUString name;
    bool extensible = false;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR && attrLn == "name") {
            hasName = true;
            name = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "extensible")
        {
            extensible = xmldata::parseBoolean(reader.getAttributeValue(true));
        }
    }
    if (!hasName) {
        throw css::uno::RuntimeException(
            "no group name attribute in " + reader.getUrl());
    }
    if (isTemplate) {
        name = Data::fullTemplateName(componentName_, name);
    }
    elements_.push(
        Element(
            new GroupNode(
                valueParser_.getLayer(), extensible,
                isTemplate ? name : OUString()),
            name));
}

void XcsParser::handleSet(xmlreader::XmlReader & reader, bool isTemplate) {
    bool hasName = false;
    OUString name;
    OUString component(componentName_);
    bool hasNodeType = false;
    OUString nodeType;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR && attrLn == "name") {
            hasName = true;
            name = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "component")
        {
            component = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "node-type")
        {
            hasNodeType = true;
            nodeType = reader.getAttributeValue(false).convertFromUtf8();
        }
    }
    if (!hasName) {
        throw css::uno::RuntimeException(
            "no set name attribute in " + reader.getUrl());
    }
    if (isTemplate) {
        name = Data::fullTemplateName(componentName_, name);
    }
    elements_.push(
        Element(
            new SetNode(
                valueParser_.getLayer(),
                xmldata::parseTemplateReference(
                    component, hasNodeType, nodeType, nullptr),
                isTemplate ? name : OUString()),
            name));
}

void XcsParser::handleSetItem(xmlreader::XmlReader & reader, SetNode * set) {
    OUString component(componentName_);
    bool hasNodeType = false;
    OUString nodeType;
    for (;;) {
        int attrNsId;
        xmlreader::Span attrLn;
        if (!reader.nextAttribute(&attrNsId, &attrLn)) {
            break;
        }
        if (attrNsId == ParseManager::NAMESPACE_OOR &&
            attrLn == "component")
        {
            component = reader.getAttributeValue(false).convertFromUtf8();
        } else if (attrNsId == ParseManager::NAMESPACE_OOR &&
                   attrLn == "node-type")
        {
            hasNodeType = true;
            nodeType = reader.getAttributeValue(false).convertFromUtf8();
        }
    }
    set->getAdditionalTemplateNames().push_back(
        xmldata::parseTemplateReference(component, hasNodeType, nodeType, nullptr));
    elements_.push(Element(rtl::Reference< Node >(), ""));
}

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */