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rcc.cpp
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1// Copyright (C) 2018 The Qt Company Ltd.
2// Copyright (C) 2018 Intel Corporation.
3// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
4
5/* Note: This is a copy of qtbase/src/tools/rcc/rcc.cpp. */
6
7#include "rcc_p.h"
8
9#include <qbytearray.h>
10#include <qdatetime.h>
11#include <qdebug.h>
12#include <qdir.h>
13#include <qdiriterator.h>
14#include <qfile.h>
15#include <qiodevice.h>
16#include <qlocale.h>
17#include <qstack.h>
18#include <qxmlstream.h>
19
20#include <algorithm>
21
22#if QT_CONFIG(zstd)
23# include <zstd.h>
24#endif
25
26QT_BEGIN_NAMESPACE
27
28using namespace Qt::StringLiterals;
29
30enum {
31 CONSTANT_USENAMESPACE = 1,
32 CONSTANT_COMPRESSLEVEL_DEFAULT = -1,
33 CONSTANT_ZSTDCOMPRESSLEVEL_CHECK = 1, // Zstd level to check if compressing is a good idea
34 CONSTANT_ZSTDCOMPRESSLEVEL_STORE = 14, // Zstd level to actually store the data
35 CONSTANT_COMPRESSTHRESHOLD_DEFAULT = 70
36};
37
38void RCCResourceLibrary::write(const char *str, int len)
39{
40 int n = m_out.size();
41 m_out.resize(n + len);
42 memcpy(m_out.data() + n, str, len);
43}
44
45void RCCResourceLibrary::writeByteArray(const QByteArray &other)
46{
47 if (m_format == Pass2) {
48 m_outDevice->write(other);
49 } else {
50 m_out.append(other);
51 }
52}
53
54static inline QString msgOpenReadFailed(const QString &fname, const QString &why)
55{
56 return QString::fromLatin1("Unable to open %1 for reading: %2\n").arg(fname, why);
57}
58
59
60///////////////////////////////////////////////////////////
61//
62// RCCFileInfo
63//
64///////////////////////////////////////////////////////////
65
66class RCCFileInfo
67{
68public:
69 enum Flags
70 {
71 // must match qresource.cpp
72 NoFlags = 0x00,
73 Compressed = 0x01,
74 Directory = 0x02,
75 CompressedZstd = 0x04
76 };
77
78
79 RCCFileInfo() = default;
80 RCCFileInfo(const QString &name, const QFileInfo &fileInfo, QLocale::Language language,
81 QLocale::Territory territory, uint flags,
82 RCCResourceLibrary::CompressionAlgorithm compressAlgo, int compressLevel,
83 int compressThreshold, bool noZstd, bool isEmpty);
84
85 ~RCCFileInfo();
86 RCCFileInfo(const RCCFileInfo &) = delete;
87 RCCFileInfo &operator=(const RCCFileInfo &) = delete;
88 RCCFileInfo(RCCFileInfo &&) = default;
89 RCCFileInfo &operator=(RCCFileInfo &&other) = delete;
90
91 QString resourceName() const;
92
93public:
94 qint64 writeDataBlob(RCCResourceLibrary &lib, qint64 offset, QString *errorMessage);
95 qint64 writeDataName(RCCResourceLibrary &, qint64 offset);
96 void writeDataInfo(RCCResourceLibrary &lib);
97
98 int m_flags = NoFlags;
99 QLocale::Language m_language = QLocale::C;
100 QLocale::Territory m_territory = QLocale::AnyTerritory;
101 QString m_name;
102 QFileInfo m_fileInfo;
103 RCCFileInfo *m_parent = nullptr;
104 QMultiHash<QString, RCCFileInfo *> m_children;
105
106 RCCResourceLibrary::CompressionAlgorithm m_compressAlgo = RCCResourceLibrary::CompressionAlgorithm::Best;
107 int m_compressLevel = CONSTANT_COMPRESSLEVEL_DEFAULT;
108 int m_compressThreshold = CONSTANT_COMPRESSTHRESHOLD_DEFAULT;
109 bool m_noZstd = false;
110 bool m_isEmpty = false;
111
112 qint64 m_nameOffset = 0;
113 qint64 m_dataOffset = 0;
114 qint64 m_childOffset = 0;
115};
116
117RCCFileInfo::RCCFileInfo(const QString &name, const QFileInfo &fileInfo, QLocale::Language language,
118 QLocale::Territory territory, uint flags,
119 RCCResourceLibrary::CompressionAlgorithm compressAlgo, int compressLevel,
120 int compressThreshold, bool noZstd, bool isEmpty)
121 : m_flags(flags),
122 m_language(language),
123 m_territory(territory),
124 m_name(name),
125 m_fileInfo(fileInfo),
126 m_compressAlgo(compressAlgo),
127 m_compressLevel(compressLevel),
128 m_compressThreshold(compressThreshold),
129 m_noZstd(noZstd),
130 m_isEmpty(isEmpty)
131{
132}
133
134RCCFileInfo::~RCCFileInfo()
135{
136 qDeleteAll(m_children);
137}
138
139QString RCCFileInfo::resourceName() const
140{
141 QString resource = m_name;
142 for (RCCFileInfo *p = m_parent; p; p = p->m_parent)
143 resource = resource.prepend(p->m_name + u'/');
144 resource.prepend(u':');
145 return resource;
146}
147
148void RCCFileInfo::writeDataInfo(RCCResourceLibrary &lib)
149{
150 const bool text = lib.m_format == RCCResourceLibrary::C_Code;
151 const bool pass1 = lib.m_format == RCCResourceLibrary::Pass1;
152 const bool python = lib.m_format == RCCResourceLibrary::Python_Code;
153 //some info
154 if (text || pass1) {
155 if (m_language != QLocale::C) {
156 lib.writeString(" // ");
157 lib.writeByteArray(resourceName().toLocal8Bit());
158 lib.writeString(" [");
159 lib.writeByteArray(QByteArray::number(m_territory));
160 lib.writeString("::");
161 lib.writeByteArray(QByteArray::number(m_language));
162 lib.writeString("[\n ");
163 } else {
164 lib.writeString(" // ");
165 lib.writeByteArray(resourceName().toLocal8Bit());
166 lib.writeString("\n ");
167 }
168 }
169
170 //pointer data
171 if (m_flags & RCCFileInfo::Directory) {
172 // name offset
173 lib.writeNumber4(m_nameOffset);
174
175 // flags
176 lib.writeNumber2(m_flags);
177
178 // child count
179 lib.writeNumber4(m_children.size());
180
181 // first child offset
182 lib.writeNumber4(m_childOffset);
183 } else {
184 // name offset
185 lib.writeNumber4(m_nameOffset);
186
187 // flags
188 lib.writeNumber2(m_flags);
189
190 // locale
191 lib.writeNumber2(m_territory);
192 lib.writeNumber2(m_language);
193
194 //data offset
195 lib.writeNumber4(m_dataOffset);
196 }
197 if (text || pass1)
198 lib.writeChar('\n');
199 else if (python)
200 lib.writeString("\\\n");
201
202 if (lib.formatVersion() >= 2) {
203 // last modified time stamp
204 const QDateTime lastModified = m_fileInfo.lastModified(QTimeZone::UTC);
205 quint64 lastmod = quint64(lastModified.isValid() ? lastModified.toMSecsSinceEpoch() : 0);
206 static const quint64 sourceDate = 1000 * qgetenv("QT_RCC_SOURCE_DATE_OVERRIDE").toULongLong();
207 if (sourceDate != 0)
208 lastmod = sourceDate;
209 static const quint64 sourceDate2 = 1000 * qgetenv("SOURCE_DATE_EPOCH").toULongLong();
210 if (sourceDate2 != 0)
211 lastmod = sourceDate2;
212 lib.writeNumber8(lastmod);
213 if (text || pass1)
214 lib.writeChar('\n');
215 else if (python)
216 lib.writeString("\\\n");
217 }
218}
219
220qint64 RCCFileInfo::writeDataBlob(RCCResourceLibrary &lib, qint64 offset,
221 QString *errorMessage)
222{
223 const bool text = lib.m_format == RCCResourceLibrary::C_Code;
224 const bool pass1 = lib.m_format == RCCResourceLibrary::Pass1;
225 const bool pass2 = lib.m_format == RCCResourceLibrary::Pass2;
226 const bool binary = lib.m_format == RCCResourceLibrary::Binary;
227 const bool python = lib.m_format == RCCResourceLibrary::Python_Code;
228
229 //capture the offset
230 m_dataOffset = offset;
231 QByteArray data;
232
233 if (!m_isEmpty) {
234 //find the data to be written
235 QFile file(m_fileInfo.absoluteFilePath());
236 if (!file.open(QFile::ReadOnly)) {
237 *errorMessage = msgOpenReadFailed(m_fileInfo.absoluteFilePath(), file.errorString());
238 return 0;
239 }
240
241 data = file.readAll();
242 }
243
244 // Check if compression is useful for this file
245 if (data.size() != 0) {
246#if QT_CONFIG(zstd)
247 if (m_compressAlgo == RCCResourceLibrary::CompressionAlgorithm::Best && !m_noZstd) {
248 m_compressAlgo = RCCResourceLibrary::CompressionAlgorithm::Zstd;
249 m_compressLevel = 19; // not ZSTD_maxCLevel(), as 20+ are experimental
250 }
251 if (m_compressAlgo == RCCResourceLibrary::CompressionAlgorithm::Zstd && !m_noZstd) {
252 if (lib.m_zstdCCtx == nullptr)
253 lib.m_zstdCCtx = ZSTD_createCCtx();
254 qsizetype size = data.size();
255 size = ZSTD_COMPRESSBOUND(size);
256
257 int compressLevel = m_compressLevel;
258 if (compressLevel < 0)
259 compressLevel = CONSTANT_ZSTDCOMPRESSLEVEL_CHECK;
260
261 QByteArray compressed(size, Qt::Uninitialized);
262 char *dst = const_cast<char *>(compressed.constData());
263 size_t n = ZSTD_compressCCtx(lib.m_zstdCCtx, dst, size,
264 data.constData(), data.size(),
265 compressLevel);
266 if (n * 100.0 < data.size() * 1.0 * (100 - m_compressThreshold) ) {
267 // compressing is worth it
268 if (m_compressLevel < 0) {
269 // heuristic compression, so recompress
270 n = ZSTD_compressCCtx(lib.m_zstdCCtx, dst, size,
271 data.constData(), data.size(),
272 CONSTANT_ZSTDCOMPRESSLEVEL_STORE);
273 }
274 if (ZSTD_isError(n)) {
275 QString msg = QString::fromLatin1("%1: error: compression with zstd failed: %2\n")
276 .arg(m_name, QString::fromUtf8(ZSTD_getErrorName(n)));
277 lib.m_errorDevice->write(msg.toUtf8());
278 } else if (lib.verbose()) {
279 QString msg = QString::fromLatin1("%1: note: compressed using zstd (%2 -> %3)\n")
280 .arg(m_name).arg(data.size()).arg(n);
281 lib.m_errorDevice->write(msg.toUtf8());
282 }
283
284 lib.m_overallFlags |= CompressedZstd;
285 m_flags |= CompressedZstd;
286 data = std::move(compressed);
287 data.truncate(n);
288 } else if (lib.verbose()) {
289 QString msg = QString::fromLatin1("%1: note: not compressed\n").arg(m_name);
290 lib.m_errorDevice->write(msg.toUtf8());
291 }
292 }
293#endif
294#ifndef QT_NO_COMPRESS
295 if (m_compressAlgo == RCCResourceLibrary::CompressionAlgorithm::Best) {
296 m_compressAlgo = RCCResourceLibrary::CompressionAlgorithm::Zlib;
297 m_compressLevel = 9;
298 }
299 if (m_compressAlgo == RCCResourceLibrary::CompressionAlgorithm::Zlib) {
300 QByteArray compressed =
301 qCompress(reinterpret_cast<uchar *>(data.data()), data.size(), m_compressLevel);
302
303 int compressRatio = int(100.0 * (data.size() - compressed.size()) / data.size());
304 if (compressRatio >= m_compressThreshold) {
305 if (lib.verbose()) {
306 QString msg = QString::fromLatin1("%1: note: compressed using zlib (%2 -> %3)\n")
307 .arg(m_name).arg(data.size()).arg(compressed.size());
308 lib.m_errorDevice->write(msg.toUtf8());
309 }
310 data = compressed;
311 lib.m_overallFlags |= Compressed;
312 m_flags |= Compressed;
313 } else if (lib.verbose()) {
314 QString msg = QString::fromLatin1("%1: note: not compressed\n").arg(m_name);
315 lib.m_errorDevice->write(msg.toUtf8());
316 }
317 }
318#endif // QT_NO_COMPRESS
319 }
320
321 // some info
322 if (text || pass1) {
323 lib.writeString(" // ");
324 lib.writeByteArray(m_fileInfo.absoluteFilePath().toLocal8Bit());
325 lib.writeString("\n ");
326 }
327
328 // write the length
329 if (text || binary || pass2 || python)
330 lib.writeNumber4(data.size());
331 if (text || pass1)
332 lib.writeString("\n ");
333 else if (python)
334 lib.writeString("\\\n");
335 offset += 4;
336
337 // write the payload
338 const char *p = data.constData();
339 if (text || python) {
340 for (int i = data.size(), j = 0; --i >= 0; --j) {
341 lib.writeHex(*p++);
342 if (j == 0) {
343 if (text)
344 lib.writeString("\n ");
345 else
346 lib.writeString("\\\n");
347 j = 16;
348 }
349 }
350 } else if (binary || pass2) {
351 lib.writeByteArray(data);
352 }
353 offset += data.size();
354
355 // done
356 if (text || pass1)
357 lib.writeString("\n ");
358 else if (python)
359 lib.writeString("\\\n");
360
361 return offset;
362}
363
364qint64 RCCFileInfo::writeDataName(RCCResourceLibrary &lib, qint64 offset)
365{
366 const bool text = lib.m_format == RCCResourceLibrary::C_Code;
367 const bool pass1 = lib.m_format == RCCResourceLibrary::Pass1;
368 const bool python = lib.m_format == RCCResourceLibrary::Python_Code;
369
370 // capture the offset
371 m_nameOffset = offset;
372
373 // some info
374 if (text || pass1) {
375 lib.writeString(" // ");
376 lib.writeByteArray(m_name.toLocal8Bit());
377 lib.writeString("\n ");
378 }
379
380 // write the length
381 lib.writeNumber2(m_name.size());
382 if (text || pass1)
383 lib.writeString("\n ");
384 else if (python)
385 lib.writeString("\\\n");
386 offset += 2;
387
388 // write the hash
389 lib.writeNumber4(qt_hash(m_name));
390 if (text || pass1)
391 lib.writeString("\n ");
392 else if (python)
393 lib.writeString("\\\n");
394 offset += 4;
395
396 // write the m_name
397 const QChar *unicode = m_name.unicode();
398 for (int i = 0; i < m_name.size(); ++i) {
399 lib.writeNumber2(unicode[i].unicode());
400 if ((text || pass1) && i % 16 == 0)
401 lib.writeString("\n ");
402 else if (python && i % 16 == 0)
403 lib.writeString("\\\n");
404 }
405 offset += m_name.size()*2;
406
407 // done
408 if (text || pass1)
409 lib.writeString("\n ");
410 else if (python)
411 lib.writeString("\\\n");
412
413 return offset;
414}
415
416
417///////////////////////////////////////////////////////////
418//
419// RCCResourceLibrary
420//
421///////////////////////////////////////////////////////////
422
423RCCResourceLibrary::Strings::Strings() :
424 TAG_RCC("RCC"_L1),
425 TAG_RESOURCE("qresource"_L1),
426 TAG_FILE("file"_L1),
427 ATTRIBUTE_LANG("lang"_L1),
428 ATTRIBUTE_PREFIX("prefix"_L1),
429 ATTRIBUTE_ALIAS("alias"_L1),
430 ATTRIBUTE_EMPTY("empty"_L1),
431 ATTRIBUTE_THRESHOLD("threshold"_L1),
432 ATTRIBUTE_COMPRESS("compress"_L1),
433 ATTRIBUTE_COMPRESSALGO(QStringLiteral("compression-algorithm"))
434{
435}
436
437RCCResourceLibrary::RCCResourceLibrary(quint8 formatVersion)
438 : m_root(nullptr),
439 m_format(C_Code),
440 m_verbose(false),
441 m_compressionAlgo(CompressionAlgorithm::Best),
442 m_compressLevel(CONSTANT_COMPRESSLEVEL_DEFAULT),
443 m_compressThreshold(CONSTANT_COMPRESSTHRESHOLD_DEFAULT),
444 m_treeOffset(0),
445 m_namesOffset(0),
446 m_dataOffset(0),
447 m_overallFlags(0),
448 m_useNameSpace(CONSTANT_USENAMESPACE),
449 m_errorDevice(nullptr),
450 m_outDevice(nullptr),
451 m_formatVersion(formatVersion),
452 m_noZstd(false)
453{
454 m_out.reserve(30 * 1000 * 1000);
455#if QT_CONFIG(zstd)
456 m_zstdCCtx = nullptr;
457#endif
458}
459
460RCCResourceLibrary::~RCCResourceLibrary()
461{
462 delete m_root;
463#if QT_CONFIG(zstd)
464 ZSTD_freeCCtx(m_zstdCCtx);
465#endif
466}
467
473Q_DECLARE_TYPEINFO(RCCXmlTag, Q_PRIMITIVE_TYPE);
474
475static bool parseBoolean(QStringView value, QString *errorMsg)
476{
477 if (value.compare("true"_L1, Qt::CaseInsensitive) == 0)
478 return true;
479 if (value.compare("false"_L1, Qt::CaseInsensitive) == 0)
480 return false;
481
482 *errorMsg = QString::fromLatin1("Invalid value for boolean attribute: '%1'").arg(value);
483 return false;
484}
485
486bool RCCResourceLibrary::interpretResourceFile(QIODevice *inputDevice,
487 const QString &fname, QString currentPath, bool listMode)
488{
489 Q_ASSERT(m_errorDevice);
490 const QChar slash = u'/';
491 if (!currentPath.isEmpty() && !currentPath.endsWith(slash))
492 currentPath += slash;
493
494 QXmlStreamReader reader(inputDevice);
495 QStack<RCCXmlTag> tokens;
496
497 QString prefix;
498 QLocale::Language language = QLocale::c().language();
499 QLocale::Territory territory = QLocale::c().territory();
500 QString alias;
501 bool empty = false;
502 auto compressAlgo = m_compressionAlgo;
503 int compressLevel = m_compressLevel;
504 int compressThreshold = m_compressThreshold;
505
506 while (!reader.atEnd()) {
507 QXmlStreamReader::TokenType t = reader.readNext();
508 switch (t) {
509 case QXmlStreamReader::StartElement:
510 if (reader.name() == m_strings.TAG_RCC) {
511 if (!tokens.isEmpty())
512 reader.raiseError("expected <RCC> tag"_L1);
513 else
514 tokens.push(RccTag);
515 } else if (reader.name() == m_strings.TAG_RESOURCE) {
516 if (tokens.isEmpty() || tokens.top() != RccTag) {
517 reader.raiseError("unexpected <RESOURCE> tag"_L1);
518 } else {
519 tokens.push(ResourceTag);
520
521 QXmlStreamAttributes attributes = reader.attributes();
522 language = QLocale::c().language();
523 territory = QLocale::c().territory();
524
525 if (attributes.hasAttribute(m_strings.ATTRIBUTE_LANG)) {
526 QString attribute = attributes.value(m_strings.ATTRIBUTE_LANG).toString();
527 QLocale lang = QLocale(attribute);
528 language = lang.language();
529 if (2 == attribute.size()) {
530 // Language only
531 territory = QLocale::AnyTerritory;
532 } else {
533 territory = lang.territory();
534 }
535 }
536
537 prefix.clear();
538 if (attributes.hasAttribute(m_strings.ATTRIBUTE_PREFIX))
539 prefix = attributes.value(m_strings.ATTRIBUTE_PREFIX).toString();
540 if (!prefix.startsWith(slash))
541 prefix.prepend(slash);
542 if (!prefix.endsWith(slash))
543 prefix += slash;
544 }
545 } else if (reader.name() == m_strings.TAG_FILE) {
546 if (tokens.isEmpty() || tokens.top() != ResourceTag) {
547 reader.raiseError("unexpected <FILE> tag"_L1);
548 } else {
549 tokens.push(FileTag);
550
551 QXmlStreamAttributes attributes = reader.attributes();
552 alias.clear();
553 if (attributes.hasAttribute(m_strings.ATTRIBUTE_ALIAS))
554 alias = attributes.value(m_strings.ATTRIBUTE_ALIAS).toString();
555
556 compressAlgo = m_compressionAlgo;
557 compressLevel = m_compressLevel;
558 compressThreshold = m_compressThreshold;
559
560 QString errorString;
561 if (attributes.hasAttribute(m_strings.ATTRIBUTE_EMPTY))
562 empty = parseBoolean(attributes.value(m_strings.ATTRIBUTE_EMPTY), &errorString);
563 else
564 empty = false;
565
566 if (attributes.hasAttribute(m_strings.ATTRIBUTE_COMPRESSALGO))
567 compressAlgo = parseCompressionAlgorithm(attributes.value(m_strings.ATTRIBUTE_COMPRESSALGO), &errorString);
568 if (errorString.isEmpty() && attributes.hasAttribute(m_strings.ATTRIBUTE_COMPRESS)) {
569 QString value = attributes.value(m_strings.ATTRIBUTE_COMPRESS).toString();
570 compressLevel = parseCompressionLevel(compressAlgo, value, &errorString);
571 }
572
573 // Special case for -no-compress
574 if (m_compressLevel == -2)
575 compressAlgo = CompressionAlgorithm::None;
576
577 if (attributes.hasAttribute(m_strings.ATTRIBUTE_THRESHOLD))
578 compressThreshold = attributes.value(m_strings.ATTRIBUTE_THRESHOLD).toString().toInt();
579
580 if (!errorString.isEmpty())
581 reader.raiseError(errorString);
582 }
583 } else {
584 reader.raiseError("unexpected tag: %1"_L1.arg(reader.name().toString()));
585 }
586 break;
587
588 case QXmlStreamReader::EndElement:
589 if (reader.name() == m_strings.TAG_RCC) {
590 if (!tokens.isEmpty() && tokens.top() == RccTag)
591 tokens.pop();
592 else
593 reader.raiseError("unexpected closing tag"_L1);
594 } else if (reader.name() == m_strings.TAG_RESOURCE) {
595 if (!tokens.isEmpty() && tokens.top() == ResourceTag)
596 tokens.pop();
597 else
598 reader.raiseError("unexpected closing tag"_L1);
599 } else if (reader.name() == m_strings.TAG_FILE) {
600 if (!tokens.isEmpty() && tokens.top() == FileTag)
601 tokens.pop();
602 else
603 reader.raiseError("unexpected closing tag"_L1);
604 }
605 break;
606
607 case QXmlStreamReader::Characters:
608 if (reader.isWhitespace())
609 break;
610 if (tokens.isEmpty() || tokens.top() != FileTag) {
611 reader.raiseError("unexpected text"_L1);
612 } else {
613 QString fileName = reader.text().toString();
614 if (fileName.isEmpty()) {
615 const QString msg = QString::fromLatin1("RCC: Warning: Null node in XML of '%1'\n").arg(fname);
616 m_errorDevice->write(msg.toUtf8());
617 }
618
619 if (alias.isNull())
620 alias = fileName;
621
622 alias = QDir::cleanPath(alias);
623 while (alias.startsWith("../"_L1))
624 alias.remove(0, 3);
625 alias = QDir::cleanPath(m_resourceRoot) + prefix + alias;
626
627 QString absFileName = fileName;
628 if (QDir::isRelativePath(absFileName))
629 absFileName.prepend(currentPath);
630 QFileInfo file(absFileName);
631 if (file.isDir()) {
632 QDir dir(file.filePath());
633 if (!alias.endsWith(slash))
634 alias += slash;
635
636 QStringList filePaths;
637 QDirIterator it(dir, QDirIterator::FollowSymlinks|QDirIterator::Subdirectories);
638 while (it.hasNext()) {
639 it.next();
640 if (it.fileName() == "."_L1 || it.fileName() == ".."_L1)
641 continue;
642 filePaths.append(it.filePath());
643 }
644
645 // make rcc output deterministic
646 std::sort(filePaths.begin(), filePaths.end());
647
648 for (const QString &filePath : filePaths) {
649 QFileInfo child(filePath);
650 const bool arc =
651 addFile(alias + child.fileName(),
652 RCCFileInfo(child.fileName(), child, language, territory,
653 child.isDir() ? RCCFileInfo::Directory
654 : RCCFileInfo::NoFlags,
655 compressAlgo, compressLevel, compressThreshold,
656 m_noZstd, empty));
657 if (!arc)
658 m_failedResources.push_back(child.fileName());
659 }
660 } else if (listMode || file.isFile()) {
661 const bool arc =
662 addFile(alias,
663 RCCFileInfo(alias.section(slash, -1),
664 file,
665 language,
666 territory,
667 RCCFileInfo::NoFlags,
668 compressAlgo,
669 compressLevel,
670 compressThreshold,
671 m_noZstd, empty)
672 );
673 if (!arc)
674 m_failedResources.push_back(absFileName);
675 } else if (file.exists()) {
676 m_failedResources.push_back(absFileName);
677 const QString msg = QString::fromLatin1("RCC: Error in '%1': Entry '%2' is neither a file nor a directory\n")
678 .arg(fname, fileName);
679 m_errorDevice->write(msg.toUtf8());
680 return false;
681 } else {
682 m_failedResources.push_back(absFileName);
683 const QString msg = QString::fromLatin1("RCC: Error in '%1': Cannot find file '%2'\n")
684 .arg(fname, fileName);
685 m_errorDevice->write(msg.toUtf8());
686 return false;
687 }
688 }
689 break;
690
691 default:
692 break;
693 }
694 }
695
696 if (reader.hasError()) {
697 int errorLine = reader.lineNumber();
698 int errorColumn = reader.columnNumber();
699 QString errorMessage = reader.errorString();
700 QString msg = QString::fromLatin1("RCC Parse Error: '%1' Line: %2 Column: %3 [%4]\n").arg(fname).arg(errorLine).arg(errorColumn).arg(errorMessage);
701 m_errorDevice->write(msg.toUtf8());
702 return false;
703 }
704
705 if (m_root == nullptr) {
706 const QString msg = QString::fromLatin1("RCC: Warning: No resources in '%1'.\n").arg(fname);
707 m_errorDevice->write(msg.toUtf8());
708 if (!listMode && m_format == Binary) {
709 // create dummy entry, otherwise loading with QResource will crash
710 m_root = new RCCFileInfo{};
711 m_root->m_flags = RCCFileInfo::Directory;
712 }
713 }
714
715 return true;
716}
717
718bool RCCResourceLibrary::addFile(const QString &alias, RCCFileInfo file)
719{
720 Q_ASSERT(m_errorDevice);
721 if (file.m_fileInfo.size() > 0xffffffff) {
722 const QString msg = QString::fromLatin1("File too big: %1\n").arg(file.m_fileInfo.absoluteFilePath());
723 m_errorDevice->write(msg.toUtf8());
724 return false;
725 }
726 if (!m_root) {
727 m_root = new RCCFileInfo{};
728 m_root->m_flags = RCCFileInfo::Directory;
729 }
730
731 RCCFileInfo *parent = m_root;
732 const QStringList nodes = alias.split(u'/');
733 for (int i = 1; i < nodes.size()-1; ++i) {
734 const QString node = nodes.at(i);
735 if (node.isEmpty())
736 continue;
737 if (!parent->m_children.contains(node)) {
738 RCCFileInfo *s = new RCCFileInfo{};
739 s->m_name = node;
740 s->m_flags = RCCFileInfo::Directory;
741 s->m_parent = parent;
742 parent->m_children.insert(node, s);
743 parent = s;
744 } else {
745 parent = *parent->m_children.constFind(node);
746 }
747 }
748
749 const QString filename = nodes.at(nodes.size()-1);
750 RCCFileInfo *s = new RCCFileInfo(std::move(file));
751 s->m_parent = parent;
752 auto cbegin = parent->m_children.constFind(filename);
753 auto cend = parent->m_children.constEnd();
754 for (auto it = cbegin; it != cend; ++it) {
755 if (it.key() == filename && it.value()->m_language == s->m_language &&
756 it.value()->m_territory == s->m_territory) {
757 for (const QString &name : std::as_const(m_fileNames)) {
758 qWarning("%s: Warning: potential duplicate alias detected: '%s'",
759 qPrintable(name), qPrintable(filename));
760 }
761 break;
762 }
763 }
764 parent->m_children.insert(filename, s);
765 return true;
766}
767
768void RCCResourceLibrary::reset()
769{
770 if (m_root) {
771 delete m_root;
772 m_root = nullptr;
773 }
774 m_errorDevice = nullptr;
775 m_failedResources.clear();
776}
777
778
779bool RCCResourceLibrary::readFiles(bool listMode, QIODevice &errorDevice)
780{
781 reset();
782 m_errorDevice = &errorDevice;
783 //read in data
784 if (m_verbose) {
785 const QString msg = QString::fromLatin1("Processing %1 files [listMode=%2]\n")
786 .arg(m_fileNames.size()).arg(static_cast<int>(listMode));
787 m_errorDevice->write(msg.toUtf8());
788 }
789 for (int i = 0; i < m_fileNames.size(); ++i) {
790 QFile fileIn;
791 QString fname = m_fileNames.at(i);
792 QString pwd;
793 if (fname == "-"_L1) {
794 fname = "(stdin)"_L1;
795 pwd = QDir::currentPath();
796 fileIn.setFileName(fname);
797 if (!fileIn.open(stdin, QIODevice::ReadOnly)) {
798 m_errorDevice->write(msgOpenReadFailed(fname, fileIn.errorString()).toUtf8());
799 return false;
800 }
801 } else {
802 pwd = QFileInfo(fname).path();
803 fileIn.setFileName(fname);
804 if (!fileIn.open(QIODevice::ReadOnly)) {
805 m_errorDevice->write(msgOpenReadFailed(fname, fileIn.errorString()).toUtf8());
806 return false;
807 }
808 }
809 if (m_verbose) {
810 const QString msg = QString::fromLatin1("Interpreting %1\n").arg(fname);
811 m_errorDevice->write(msg.toUtf8());
812 }
813
814 if (!interpretResourceFile(&fileIn, fname, pwd, listMode))
815 return false;
816 }
817 return true;
818}
819
820QStringList RCCResourceLibrary::dataFiles() const
821{
822 QStringList ret;
823 QStack<RCCFileInfo*> pending;
824
825 if (!m_root)
826 return ret;
827 pending.push(m_root);
828 while (!pending.isEmpty()) {
829 RCCFileInfo *file = pending.pop();
830 for (auto it = file->m_children.begin();
831 it != file->m_children.end(); ++it) {
832 RCCFileInfo *child = it.value();
833 if (child->m_flags & RCCFileInfo::Directory)
834 pending.push(child);
835 else
836 ret.append(child->m_fileInfo.filePath());
837 }
838 }
839 return ret;
840}
841
842// Determine map of resource identifier (':/newPrefix/images/p1.png') to file via recursion
843static void resourceDataFileMapRecursion(const RCCFileInfo *m_root, const QString &path, RCCResourceLibrary::ResourceDataFileMap &m)
844{
845 const QChar slash = u'/';
846 const auto cend = m_root->m_children.constEnd();
847 for (auto it = m_root->m_children.constBegin(); it != cend; ++it) {
848 const RCCFileInfo *child = it.value();
849 const QString childName = path + slash + child->m_name;
850 if (child->m_flags & RCCFileInfo::Directory) {
851 resourceDataFileMapRecursion(child, childName, m);
852 } else {
853 m.insert(childName, child->m_fileInfo.filePath());
854 }
855 }
856}
857
858RCCResourceLibrary::ResourceDataFileMap RCCResourceLibrary::resourceDataFileMap() const
859{
860 ResourceDataFileMap rc;
861 if (m_root)
862 resourceDataFileMapRecursion(m_root, QString(u':'), rc);
863 return rc;
864}
865
866RCCResourceLibrary::CompressionAlgorithm RCCResourceLibrary::parseCompressionAlgorithm(QStringView value, QString *errorMsg)
867{
868 if (value == "best"_L1)
869 return CompressionAlgorithm::Best;
870 if (value == "zlib"_L1) {
871#ifdef QT_NO_COMPRESS
872 *errorMsg = "zlib support not compiled in"_L1;
873#else
874 return CompressionAlgorithm::Zlib;
875#endif
876 } else if (value == "zstd"_L1) {
877#if QT_CONFIG(zstd)
878 return CompressionAlgorithm::Zstd;
879#else
880 *errorMsg = "Zstandard support not compiled in"_L1;
881#endif
882 } else if (value != "none"_L1) {
883 *errorMsg = QString::fromLatin1("Unknown compression algorithm '%1'").arg(value);
884 }
885
886 return CompressionAlgorithm::None;
887}
888
889int RCCResourceLibrary::parseCompressionLevel(CompressionAlgorithm algo, const QString &level, QString *errorMsg)
890{
891 bool ok;
892 int c = level.toInt(&ok);
893 if (ok) {
894 switch (algo) {
895 case CompressionAlgorithm::None:
896 case CompressionAlgorithm::Best:
897 return 0;
898 case CompressionAlgorithm::Zlib:
899 if (c >= 1 && c <= 9)
900 return c;
901 break;
902 case CompressionAlgorithm::Zstd:
903#if QT_CONFIG(zstd)
904 if (c >= 0 && c <= ZSTD_maxCLevel())
905 return c;
906#endif
907 break;
908 }
909 }
910
911 *errorMsg = QString::fromLatin1("invalid compression level '%1'").arg(level);
912 return 0;
913}
914
915bool RCCResourceLibrary::output(QIODevice &outDevice, QIODevice &tempDevice, QIODevice &errorDevice)
916{
917 m_errorDevice = &errorDevice;
918
919 if (m_format == Pass2) {
920 const char pattern[] = { 'Q', 'R', 'C', '_', 'D', 'A', 'T', 'A' };
921 bool foundSignature = false;
922
923 while (true) {
924 char c;
925 for (int i = 0; i < 8; ) {
926 if (!tempDevice.getChar(&c)) {
927 if (foundSignature)
928 return true;
929 m_errorDevice->write("No data signature found\n");
930 return false;
931 }
932
933 if (c != pattern[i]) {
934 for (int k = 0; k < i; ++k)
935 outDevice.putChar(pattern[k]);
936 i = 0;
937 }
938
939 if (c == pattern[i]) {
940 ++i;
941 } else {
942 outDevice.putChar(c);
943 }
944 }
945
946 m_outDevice = &outDevice;
947 quint64 start = outDevice.pos();
948 writeDataBlobs();
949 quint64 len = outDevice.pos() - start;
950
951 tempDevice.seek(tempDevice.pos() + len - 8);
952 foundSignature = true;
953 }
954 }
955
956 //write out
957 if (m_verbose)
958 m_errorDevice->write("Outputting code\n");
959 if (!writeHeader()) {
960 m_errorDevice->write("Could not write header\n");
961 return false;
962 }
963 if (m_root) {
964 if (!writeDataBlobs()) {
965 m_errorDevice->write("Could not write data blobs.\n");
966 return false;
967 }
968 if (!writeDataNames()) {
969 m_errorDevice->write("Could not write file names\n");
970 return false;
971 }
972 if (!writeDataStructure()) {
973 m_errorDevice->write("Could not write data tree\n");
974 return false;
975 }
976 }
977 if (!writeInitializer()) {
978 m_errorDevice->write("Could not write footer\n");
979 return false;
980 }
981 outDevice.write(m_out.constData(), m_out.size());
982 return true;
983}
984
985void RCCResourceLibrary::writeDecimal(int value)
986{
987 Q_ASSERT(m_format != RCCResourceLibrary::Binary);
988 char buf[std::numeric_limits<int>::digits10 + 2];
989 int n = snprintf(buf, sizeof(buf), "%d", value);
990 write(buf, n);
991}
992
993static const char hexDigits[] = "0123456789abcdef";
994
995inline void RCCResourceLibrary::write2HexDigits(quint8 number)
996{
997 writeChar(hexDigits[number >> 4]);
998 writeChar(hexDigits[number & 0xf]);
999}
1000
1001void RCCResourceLibrary::writeHex(quint8 tmp)
1002{
1003 switch (m_format) {
1004 case RCCResourceLibrary::Python_Code:
1005 if (tmp >= 32 && tmp < 127 && tmp != '"' && tmp != '\\') {
1006 writeChar(char(tmp));
1007 } else {
1008 writeChar('\\');
1009 writeChar('x');
1010 write2HexDigits(tmp);
1011 }
1012 break;
1013 default:
1014 writeChar('0');
1015 writeChar('x');
1016 if (tmp < 16)
1017 writeChar(hexDigits[tmp]);
1018 else
1019 write2HexDigits(tmp);
1020 writeChar(',');
1021 break;
1022 }
1023}
1024
1025void RCCResourceLibrary::writeNumber2(quint16 number)
1026{
1027 if (m_format == RCCResourceLibrary::Binary) {
1028 writeChar(number >> 8);
1029 writeChar(number);
1030 } else {
1031 writeHex(number >> 8);
1032 writeHex(number);
1033 }
1034}
1035
1036void RCCResourceLibrary::writeNumber4(quint32 number)
1037{
1038 if (m_format == RCCResourceLibrary::Pass2) {
1039 m_outDevice->putChar(char(number >> 24));
1040 m_outDevice->putChar(char(number >> 16));
1041 m_outDevice->putChar(char(number >> 8));
1042 m_outDevice->putChar(char(number));
1043 } else if (m_format == RCCResourceLibrary::Binary) {
1044 writeChar(number >> 24);
1045 writeChar(number >> 16);
1046 writeChar(number >> 8);
1047 writeChar(number);
1048 } else {
1049 writeHex(number >> 24);
1050 writeHex(number >> 16);
1051 writeHex(number >> 8);
1052 writeHex(number);
1053 }
1054}
1055
1056void RCCResourceLibrary::writeNumber8(quint64 number)
1057{
1058 if (m_format == RCCResourceLibrary::Pass2) {
1059 m_outDevice->putChar(char(number >> 56));
1060 m_outDevice->putChar(char(number >> 48));
1061 m_outDevice->putChar(char(number >> 40));
1062 m_outDevice->putChar(char(number >> 32));
1063 m_outDevice->putChar(char(number >> 24));
1064 m_outDevice->putChar(char(number >> 16));
1065 m_outDevice->putChar(char(number >> 8));
1066 m_outDevice->putChar(char(number));
1067 } else if (m_format == RCCResourceLibrary::Binary) {
1068 writeChar(number >> 56);
1069 writeChar(number >> 48);
1070 writeChar(number >> 40);
1071 writeChar(number >> 32);
1072 writeChar(number >> 24);
1073 writeChar(number >> 16);
1074 writeChar(number >> 8);
1075 writeChar(number);
1076 } else {
1077 writeHex(number >> 56);
1078 writeHex(number >> 48);
1079 writeHex(number >> 40);
1080 writeHex(number >> 32);
1081 writeHex(number >> 24);
1082 writeHex(number >> 16);
1083 writeHex(number >> 8);
1084 writeHex(number);
1085 }
1086}
1087
1088bool RCCResourceLibrary::writeHeader()
1089{
1090 switch (m_format) {
1091 case C_Code:
1092 case Pass1:
1093 writeString("/****************************************************************************\n");
1094 writeString("** Resource object code\n");
1095 writeString("**\n");
1096 writeString("** Created by: The Resource Compiler for Qt version ");
1097 writeByteArray(QT_VERSION_STR);
1098 writeString("\n**\n");
1099 writeString("** WARNING! All changes made in this file will be lost!\n");
1100 writeString( "*****************************************************************************/\n\n");
1101 break;
1102 case Python_Code:
1103 writeString("# Resource object code (Python 3)\n");
1104 writeString("# Created by: object code\n");
1105 writeString("# Created by: The Resource Compiler for Qt version ");
1106 writeByteArray(QT_VERSION_STR);
1107 writeString("\n");
1108 writeString("# WARNING! All changes made in this file will be lost!\n\n");
1109 writeString("from PySide");
1110 writeByteArray(QByteArray::number(QT_VERSION_MAJOR));
1111 writeString(" import QtCore\n\n");
1112 break;
1113 case Binary:
1114 writeString("qres");
1115 writeNumber4(0);
1116 writeNumber4(0);
1117 writeNumber4(0);
1118 writeNumber4(0);
1119 if (m_formatVersion >= 3)
1120 writeNumber4(m_overallFlags);
1121 break;
1122 default:
1123 break;
1124 }
1125 return true;
1126}
1127
1128bool RCCResourceLibrary::writeDataBlobs()
1129{
1130 Q_ASSERT(m_errorDevice);
1131 switch (m_format) {
1132 case C_Code:
1133 writeString("static const unsigned char qt_resource_data[] = {\n");
1134 break;
1135 case Python_Code:
1136 writeString("qt_resource_data = b\"\\\n");
1137 break;
1138 case Binary:
1139 m_dataOffset = m_out.size();
1140 break;
1141 default:
1142 break;
1143 }
1144
1145 if (!m_root)
1146 return false;
1147
1148 QStack<RCCFileInfo*> pending;
1149 pending.push(m_root);
1150 qint64 offset = 0;
1151 QString errorMessage;
1152 while (!pending.isEmpty()) {
1153 RCCFileInfo *file = pending.pop();
1154 for (auto it = file->m_children.cbegin(); it != file->m_children.cend(); ++it) {
1155 RCCFileInfo *child = it.value();
1156 if (child->m_flags & RCCFileInfo::Directory)
1157 pending.push(child);
1158 else {
1159 offset = child->writeDataBlob(*this, offset, &errorMessage);
1160 if (offset == 0) {
1161 m_errorDevice->write(errorMessage.toUtf8());
1162 return false;
1163 }
1164 }
1165 }
1166 }
1167 switch (m_format) {
1168 case C_Code:
1169 writeString("\n};\n\n");
1170 break;
1171 case Python_Code:
1172 writeString("\"\n\n");
1173 break;
1174 case Pass1:
1175 if (offset < 8)
1176 offset = 8;
1177 writeString("\nstatic const unsigned char qt_resource_data[");
1178 writeByteArray(QByteArray::number(offset));
1179 writeString("] = { 'Q', 'R', 'C', '_', 'D', 'A', 'T', 'A' };\n\n");
1180 break;
1181 default:
1182 break;
1183 }
1184 return true;
1185}
1186
1187bool RCCResourceLibrary::writeDataNames()
1188{
1189 switch (m_format) {
1190 case C_Code:
1191 case Pass1:
1192 writeString("static const unsigned char qt_resource_name[] = {\n");
1193 break;
1194 case Python_Code:
1195 writeString("qt_resource_name = b\"\\\n");
1196 break;
1197 case Binary:
1198 m_namesOffset = m_out.size();
1199 break;
1200 default:
1201 break;
1202 }
1203
1204 QHash<QString, int> names;
1205 QStack<RCCFileInfo*> pending;
1206
1207 if (!m_root)
1208 return false;
1209
1210 pending.push(m_root);
1211 qint64 offset = 0;
1212 while (!pending.isEmpty()) {
1213 RCCFileInfo *file = pending.pop();
1214 for (auto it = file->m_children.cbegin(); it != file->m_children.cend(); ++it) {
1215 RCCFileInfo *child = it.value();
1216 if (child->m_flags & RCCFileInfo::Directory)
1217 pending.push(child);
1218 if (names.contains(child->m_name)) {
1219 child->m_nameOffset = names.value(child->m_name);
1220 } else {
1221 names.insert(child->m_name, offset);
1222 offset = child->writeDataName(*this, offset);
1223 }
1224 }
1225 }
1226 switch (m_format) {
1227 case C_Code:
1228 case Pass1:
1229 writeString("\n};\n\n");
1230 break;
1231 case Python_Code:
1232 writeString("\"\n\n");
1233 break;
1234 default:
1235 break;
1236 }
1237 return true;
1238}
1239
1240struct qt_rcc_compare_hash
1241{
1242 typedef bool result_type;
1243 result_type operator()(const RCCFileInfo *left, const RCCFileInfo *right) const
1244 {
1245 return qt_hash(left->m_name) < qt_hash(right->m_name);
1246 }
1247};
1248
1249bool RCCResourceLibrary::writeDataStructure()
1250{
1251 switch (m_format) {
1252 case C_Code:
1253 case Pass1:
1254 writeString("static const unsigned char qt_resource_struct[] = {\n");
1255 break;
1256 case Python_Code:
1257 writeString("qt_resource_struct = b\"\\\n");
1258 break;
1259 case Binary:
1260 m_treeOffset = m_out.size();
1261 break;
1262 default:
1263 break;
1264 }
1265
1266 QStack<RCCFileInfo*> pending;
1267
1268 if (!m_root)
1269 return false;
1270
1271 //calculate the child offsets (flat)
1272 pending.push(m_root);
1273 int offset = 1;
1274 while (!pending.isEmpty()) {
1275 RCCFileInfo *file = pending.pop();
1276 file->m_childOffset = offset;
1277
1278 //sort by hash value for binary lookup
1279 QList<RCCFileInfo*> m_children = file->m_children.values();
1280 std::sort(m_children.begin(), m_children.end(), qt_rcc_compare_hash());
1281
1282 //write out the actual data now
1283 for (int i = 0; i < m_children.size(); ++i) {
1284 RCCFileInfo *child = m_children.at(i);
1285 ++offset;
1286 if (child->m_flags & RCCFileInfo::Directory)
1287 pending.push(child);
1288 }
1289 }
1290
1291 //write out the structure (ie iterate again!)
1292 pending.push(m_root);
1293 m_root->writeDataInfo(*this);
1294 while (!pending.isEmpty()) {
1295 RCCFileInfo *file = pending.pop();
1296
1297 //sort by hash value for binary lookup
1298 QList<RCCFileInfo*> m_children = file->m_children.values();
1299 std::sort(m_children.begin(), m_children.end(), qt_rcc_compare_hash());
1300
1301 //write out the actual data now
1302 for (int i = 0; i < m_children.size(); ++i) {
1303 RCCFileInfo *child = m_children.at(i);
1304 child->writeDataInfo(*this);
1305 if (child->m_flags & RCCFileInfo::Directory)
1306 pending.push(child);
1307 }
1308 }
1309 switch (m_format) {
1310 case C_Code:
1311 case Pass1:
1312 writeString("\n};\n\n");
1313 break;
1314 case Python_Code:
1315 writeString("\"\n\n");
1316 break;
1317 default:
1318 break;
1319 }
1320
1321 return true;
1322}
1323
1324void RCCResourceLibrary::writeMangleNamespaceFunction(const QByteArray &name)
1325{
1326 if (m_useNameSpace) {
1327 writeString("QT_RCC_MANGLE_NAMESPACE(");
1328 writeByteArray(name);
1329 writeChar(')');
1330 } else {
1331 writeByteArray(name);
1332 }
1333}
1334
1335void RCCResourceLibrary::writeAddNamespaceFunction(const QByteArray &name)
1336{
1337 if (m_useNameSpace) {
1338 writeString("QT_RCC_PREPEND_NAMESPACE(");
1339 writeByteArray(name);
1340 writeChar(')');
1341 } else {
1342 writeByteArray(name);
1343 }
1344}
1345
1346bool RCCResourceLibrary::writeInitializer()
1347{
1348 if (m_format == C_Code || m_format == Pass1) {
1349 //write("\nQT_BEGIN_NAMESPACE\n");
1350 QString initNameStr = m_initName;
1351 if (!initNameStr.isEmpty()) {
1352 initNameStr.prepend(u'_');
1353 auto isAsciiLetterOrNumber = [] (QChar c) -> bool {
1354 ushort ch = c.unicode();
1355 return (ch >= '0' && ch <= '9') ||
1356 (ch >= 'A' && ch <= 'Z') ||
1357 (ch >= 'a' && ch <= 'z') ||
1358 ch == '_';
1359 };
1360 for (QChar &c : initNameStr) {
1361 if (!isAsciiLetterOrNumber(c))
1362 c = u'_';
1363 }
1364 }
1365 QByteArray initName = initNameStr.toLatin1();
1366
1367 //init
1368 if (m_useNameSpace) {
1369 writeString("#ifdef QT_NAMESPACE\n"
1370 "# define QT_RCC_PREPEND_NAMESPACE(name) ::QT_NAMESPACE::name\n"
1371 "# define QT_RCC_MANGLE_NAMESPACE0(x) x\n"
1372 "# define QT_RCC_MANGLE_NAMESPACE1(a, b) a##_##b\n"
1373 "# define QT_RCC_MANGLE_NAMESPACE2(a, b) QT_RCC_MANGLE_NAMESPACE1(a,b)\n"
1374 "# define QT_RCC_MANGLE_NAMESPACE(name) QT_RCC_MANGLE_NAMESPACE2( \\\n"
1375 " QT_RCC_MANGLE_NAMESPACE0(name), QT_RCC_MANGLE_NAMESPACE0(QT_NAMESPACE))\n"
1376 "#else\n"
1377 "# define QT_RCC_PREPEND_NAMESPACE(name) name\n"
1378 "# define QT_RCC_MANGLE_NAMESPACE(name) name\n"
1379 "#endif\n\n");
1380
1381 writeString("#ifdef QT_NAMESPACE\n"
1382 "namespace QT_NAMESPACE {\n"
1383 "#endif\n\n");
1384 }
1385
1386 if (m_root) {
1387 writeString("bool qRegisterResourceData"
1388 "(int, const unsigned char *, "
1389 "const unsigned char *, const unsigned char *);\n");
1390 writeString("bool qUnregisterResourceData"
1391 "(int, const unsigned char *, "
1392 "const unsigned char *, const unsigned char *);\n\n");
1393
1394 if (m_overallFlags & (RCCFileInfo::Compressed | RCCFileInfo::CompressedZstd)) {
1395 // use variable relocations with ELF and Mach-O
1396 writeString("#if defined(__ELF__) || defined(__APPLE__)\n");
1397 if (m_overallFlags & RCCFileInfo::Compressed) {
1398 writeString("static inline unsigned char qResourceFeatureZlib()\n"
1399 "{\n"
1400 " extern const unsigned char qt_resourceFeatureZlib;\n"
1401 " return qt_resourceFeatureZlib;\n"
1402 "}\n");
1403 }
1404 if (m_overallFlags & RCCFileInfo::CompressedZstd) {
1405 writeString("static inline unsigned char qResourceFeatureZstd()\n"
1406 "{\n"
1407 " extern const unsigned char qt_resourceFeatureZstd;\n"
1408 " return qt_resourceFeatureZstd;\n"
1409 "}\n");
1410 }
1411 writeString("#else\n");
1412 if (m_overallFlags & RCCFileInfo::Compressed)
1413 writeString("unsigned char qResourceFeatureZlib();\n");
1414 if (m_overallFlags & RCCFileInfo::CompressedZstd)
1415 writeString("unsigned char qResourceFeatureZstd();\n");
1416 writeString("#endif\n\n");
1417 }
1418 }
1419
1420 if (m_useNameSpace)
1421 writeString("#ifdef QT_NAMESPACE\n}\n#endif\n\n");
1422
1423 QByteArray initResources = "qInitResources";
1424 initResources += initName;
1425
1426 // Work around -Wmissing-declarations warnings.
1427 writeString("int ");
1428 writeMangleNamespaceFunction(initResources);
1429 writeString("();\n");
1430
1431 writeString("int ");
1432 writeMangleNamespaceFunction(initResources);
1433 writeString("()\n{\n");
1434
1435 if (m_root) {
1436 writeString(" int version = ");
1437 writeDecimal(m_formatVersion);
1438 writeString(";\n ");
1439 writeAddNamespaceFunction("qRegisterResourceData");
1440 writeString("\n (version, qt_resource_struct, "
1441 "qt_resource_name, qt_resource_data);\n");
1442 }
1443 writeString(" return 1;\n");
1444 writeString("}\n\n");
1445
1446 //cleanup
1447 QByteArray cleanResources = "qCleanupResources";
1448 cleanResources += initName;
1449
1450 // Work around -Wmissing-declarations warnings.
1451 writeString("int ");
1452 writeMangleNamespaceFunction(cleanResources);
1453 writeString("();\n");
1454
1455 writeString("int ");
1456 writeMangleNamespaceFunction(cleanResources);
1457 writeString("()\n{\n");
1458 if (m_root) {
1459 writeString(" int version = ");
1460 writeDecimal(m_formatVersion);
1461 writeString(";\n ");
1462
1463 // ODR-use certain symbols from QtCore if we require optional features
1464 if (m_overallFlags & RCCFileInfo::Compressed) {
1465 writeString("version += ");
1466 writeAddNamespaceFunction("qResourceFeatureZlib()");
1467 writeString(";\n ");
1468 }
1469 if (m_overallFlags & RCCFileInfo::CompressedZstd) {
1470 writeString("version += ");
1471 writeAddNamespaceFunction("qResourceFeatureZstd()");
1472 writeString(";\n ");
1473 }
1474
1475 writeAddNamespaceFunction("qUnregisterResourceData");
1476 writeString("\n (version, qt_resource_struct, "
1477 "qt_resource_name, qt_resource_data);\n");
1478 }
1479 writeString(" return 1;\n");
1480 writeString("}\n\n");
1481
1482 // -Wexit-time-destructors was added to clang 3.0.0 in 2011.
1483 writeString("#ifdef __clang__\n"
1484 "# pragma clang diagnostic push\n"
1485 "# pragma clang diagnostic ignored \"-Wexit-time-destructors\"\n"
1486 "#endif\n\n");
1487
1488 writeString("namespace {\n"
1489 " struct initializer {\n");
1490
1491 if (m_useNameSpace) {
1492 writeByteArray(" initializer() { QT_RCC_MANGLE_NAMESPACE(" + initResources + ")(); }\n"
1493 " ~initializer() { QT_RCC_MANGLE_NAMESPACE(" + cleanResources + ")(); }\n");
1494 } else {
1495 writeByteArray(" initializer() { " + initResources + "(); }\n"
1496 " ~initializer() { " + cleanResources + "(); }\n");
1497 }
1498 writeString(" } dummy;\n"
1499 "}\n\n");
1500
1501 writeString("#ifdef __clang__\n"
1502 "# pragma clang diagnostic pop\n"
1503 "#endif\n");
1504
1505
1506 } else if (m_format == Binary) {
1507 int i = 4;
1508 char *p = m_out.data();
1509 p[i++] = 0;
1510 p[i++] = 0;
1511 p[i++] = 0;
1512 p[i++] = m_formatVersion;
1513
1514 p[i++] = (m_treeOffset >> 24) & 0xff;
1515 p[i++] = (m_treeOffset >> 16) & 0xff;
1516 p[i++] = (m_treeOffset >> 8) & 0xff;
1517 p[i++] = (m_treeOffset >> 0) & 0xff;
1518
1519 p[i++] = (m_dataOffset >> 24) & 0xff;
1520 p[i++] = (m_dataOffset >> 16) & 0xff;
1521 p[i++] = (m_dataOffset >> 8) & 0xff;
1522 p[i++] = (m_dataOffset >> 0) & 0xff;
1523
1524 p[i++] = (m_namesOffset >> 24) & 0xff;
1525 p[i++] = (m_namesOffset >> 16) & 0xff;
1526 p[i++] = (m_namesOffset >> 8) & 0xff;
1527 p[i++] = (m_namesOffset >> 0) & 0xff;
1528
1529 if (m_formatVersion >= 3) {
1530 p[i++] = (m_overallFlags >> 24) & 0xff;
1531 p[i++] = (m_overallFlags >> 16) & 0xff;
1532 p[i++] = (m_overallFlags >> 8) & 0xff;
1533 p[i++] = (m_overallFlags >> 0) & 0xff;
1534 }
1535 } else if (m_format == Python_Code) {
1536 writeString("def qInitResources():\n");
1537 writeString(" QtCore.qRegisterResourceData(0x");
1538 write2HexDigits(m_formatVersion);
1539 writeString(", qt_resource_struct, qt_resource_name, qt_resource_data)\n\n");
1540 writeString("def qCleanupResources():\n");
1541 writeString(" QtCore.qUnregisterResourceData(0x");
1542 write2HexDigits(m_formatVersion);
1543 writeString(", qt_resource_struct, qt_resource_name, qt_resource_data)\n\n");
1544 writeString("qInitResources()\n");
1545 }
1546 return true;
1547}
1548
1549QT_END_NAMESPACE
QDir
\inmodule QtCore
Definition qdir.h:21
QFile
\inmodule QtCore
Definition qfile.h:95
QHash
\inmodule QtCore
Definition qhash.h:837
RCCFileInfo::m_flags
int m_flags
Definition rcc.cpp:120
RCCFileInfo::m_isEmpty
bool m_isEmpty
Definition rcc.cpp:132
RCCFileInfo::m_compressLevel
int m_compressLevel
Definition rcc.cpp:129
RCCFileInfo::m_fileInfo
QFileInfo m_fileInfo
Definition rcc.cpp:124
RCCFileInfo::CompressedZstd
@ CompressedZstd
Definition rcc.cpp:77
RCCFileInfo::Compressed
@ Compressed
Definition rcc.cpp:75
RCCFileInfo::Directory
@ Directory
Definition rcc.cpp:76
RCCFileInfo::NoFlags
@ NoFlags
Definition rcc.cpp:74
RCCFileInfo::RCCFileInfo
RCCFileInfo(const QString &name, const QFileInfo &fileInfo, QLocale::Language language, QLocale::Territory territory, uint flags, RCCResourceLibrary::CompressionAlgorithm compressAlgo, int compressLevel, int compressThreshold, bool noZstd, bool isEmpty)
RCCFileInfo::m_compressThreshold
int m_compressThreshold
Definition rcc.cpp:130
RCCFileInfo::RCCFileInfo
RCCFileInfo()=default
RCCFileInfo::operator=
RCCFileInfo & operator=(RCCFileInfo &&other)=delete
RCCFileInfo::m_noZstd
bool m_noZstd
Definition rcc.cpp:131
RCCFileInfo::operator=
RCCFileInfo & operator=(const RCCFileInfo &)=delete
RCCFileInfo::m_parent
RCCFileInfo * m_parent
Definition rcc.cpp:125
RCCFileInfo::m_childOffset
qint64 m_childOffset
Definition rcc.cpp:136
RCCFileInfo::m_compressAlgo
RCCResourceLibrary::CompressionAlgorithm m_compressAlgo
Definition rcc.cpp:128
RCCFileInfo::m_nameOffset
qint64 m_nameOffset
Definition rcc.cpp:134
RCCFileInfo::writeDataName
qint64 writeDataName(RCCResourceLibrary &, qint64 offset)
Definition rcc.cpp:417
RCCFileInfo::RCCFileInfo
RCCFileInfo(RCCFileInfo &&)=default
RCCFileInfo::m_language
QLocale::Language m_language
Definition rcc.cpp:121
RCCFileInfo::writeDataBlob
qint64 writeDataBlob(RCCResourceLibrary &lib, qint64 offset, QString *errorMessage)
Definition rcc.cpp:220
RCCFileInfo::m_name
QString m_name
Definition rcc.cpp:123
RCCFileInfo::resourceName
QString resourceName() const
Definition rcc.cpp:166
RCCFileInfo::m_dataOffset
qint64 m_dataOffset
Definition rcc.cpp:135
RCCFileInfo::~RCCFileInfo
~RCCFileInfo()
Definition rcc.cpp:161
RCCFileInfo::writeDataInfo
void writeDataInfo(RCCResourceLibrary &lib)
Definition rcc.cpp:175
RCCFileInfo::RCCFileInfo
RCCFileInfo(const RCCFileInfo &)=delete
RCCFileInfo::m_territory
QLocale::Territory m_territory
Definition rcc.cpp:122
RCCFileInfo::m_children
QMultiHash< QString, RCCFileInfo * > m_children
Definition rcc.cpp:126
RCCResourceLibrary::RCCResourceLibrary
RCCResourceLibrary(quint8 formatVersion)
Definition rcc.cpp:490
RCCResourceLibrary::resourceDataFileMap
ResourceDataFileMap resourceDataFileMap() const
Definition rcc.cpp:917
RCCResourceLibrary::readFiles
bool readFiles(bool listMode, QIODevice &errorDevice)
Definition rcc.cpp:838
RCCResourceLibrary::verbose
bool verbose() const
Definition rcc.h:50
RCCResourceLibrary::dataFiles
QStringList dataFiles() const
Definition rcc.cpp:879
RCCResourceLibrary::formatVersion
int formatVersion() const
Definition rcc.h:85
RCCResourceLibrary::parseCompressionLevel
static int parseCompressionLevel(CompressionAlgorithm algo, const QString &level, QString *errorMsg)
Definition rcc.cpp:948
RCCResourceLibrary::output
bool output(QIODevice &outDevice, QIODevice &tempDevice, QIODevice &errorDevice)
Definition rcc.cpp:974
RCCResourceLibrary::ResourceDataFileMap
QHash< QString, QString > ResourceDataFileMap
Definition rcc_p.h:55
qPrintable
#define qPrintable(string)
Definition qstring.h:1666
parseBoolean
static bool parseBoolean(QStringView value, QString *errorMsg)
Definition rcc.cpp:528
hexDigits
static const char hexDigits[]
Definition rcc.cpp:1052
RCCXmlTag
RCCXmlTag
Definition rcc.cpp:521
RccTag
@ RccTag
Definition rcc.cpp:522
ResourceTag
@ ResourceTag
Definition rcc.cpp:523
FileTag
@ FileTag
Definition rcc.cpp:524
CONSTANT_USENAMESPACE
@ CONSTANT_USENAMESPACE
Definition rcc.cpp:33
CONSTANT_ZSTDCOMPRESSLEVEL_CHECK
@ CONSTANT_ZSTDCOMPRESSLEVEL_CHECK
Definition rcc.cpp:35
CONSTANT_COMPRESSLEVEL_DEFAULT
@ CONSTANT_COMPRESSLEVEL_DEFAULT
Definition rcc.cpp:34
CONSTANT_ZSTDCOMPRESSLEVEL_STORE
@ CONSTANT_ZSTDCOMPRESSLEVEL_STORE
Definition rcc.cpp:36
CONSTANT_COMPRESSTHRESHOLD_DEFAULT
@ CONSTANT_COMPRESSTHRESHOLD_DEFAULT
Definition rcc.cpp:37
msgOpenReadFailed
static QString msgOpenReadFailed(const QString &fname, const QString &why)
Definition rcc.cpp:56
Q_DECLARE_TYPEINFO
Q_DECLARE_TYPEINFO(RCCXmlTag, Q_PRIMITIVE_TYPE)
resourceDataFileMapRecursion
static void resourceDataFileMapRecursion(const RCCFileInfo *m_root, const QString &path, RCCResourceLibrary::ResourceDataFileMap &m)
Definition rcc.cpp:902
qt_rcc_compare_hash
Definition rcc.cpp:1316
qt_rcc_compare_hash::result_type
bool result_type
Definition rcc.cpp:1317
qt_rcc_compare_hash::operator()
result_type operator()(const RCCFileInfo *left, const RCCFileInfo *right) const
Definition rcc.cpp:1318