Newer
Older
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
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 2001, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* $Log$
* Revision 1.3 2002/07/05 21:25:20 peiyongz
* Bug# 10250: Implementation of new platform methods,
* patch from max@cca.usart.ru (Max Gotlib)
*
* Revision 1.2 2002/05/21 20:31:47 tng
* Minor update: Remove obsolete code
*
* Revision 1.1.1.1 2002/02/01 22:22:24 peiyongz
* sane_include
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
*
* Revision 1.3 2001/12/03 16:25:00 tng
* [Bug 5237] PATH_MAX undefined during build without threading support.
*
* Revision 1.2 2001/12/03 14:45:11 tng
* FreeBSD native transcoder (IconvFBSD) added by Max Gotlib.
*
* Revision 1.1 2001/11/29 18:25:18 tng
* FreeBSD support by Michael Huedepohl.
*
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#if !defined(APP_NO_THREADS)
#include <pthread.h>
#endif
#ifndef _GNU_SOURCE
#error _GNU_SOURCE is not defined in your compile settings
#endif
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
// #include <libgen.h>
#include <sys/time.h>
#include <string.h>
#include <limits.h>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/util/RuntimeException.hpp>
#include <xercesc/util/Janitor.hpp>
#include <xercesc/util/Mutexes.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/util/XMLUni.hpp>
#if defined(XML_USE_ICU_TRANSCODER)
#include <xercesc/util/Transcoders/ICU/ICUTransService.hpp>
#else
// Use native transcoder. Same as -DXML_USE_NATIVE_TRANSCODER
#include <xercesc/util/Transcoders/IconvFBSD/IconvFBSDTransService.hpp>
#endif
#if defined(XML_USE_ICU_MESSAGELOADER)
#include <xercesc/util/MsgLoaders/ICU/ICUMsgLoader.hpp>
#else
// Same as -DXML_USE_INMEM_MESSAGELOADER
#include <xercesc/util/MsgLoaders/InMemory/InMemMsgLoader.hpp>
#endif
#if defined (XML_USE_NETACCESSOR_SOCKET)
#include <xercesc/util/NetAccessors/Socket/SocketNetAccessor.hpp>
#endif
// ---------------------------------------------------------------------------
// XMLPlatformUtils: Private Static Methods
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
// ---------------------------------------------------------------------------
XMLNetAccessor* XMLPlatformUtils::makeNetAccessor()
{
#if defined (XML_USE_NETACCESSOR_SOCKET)
return new SocketNetAccessor();
#else
return 0;
#endif
}
//
// This method is called by the platform independent part of this class
// when client code asks to have one of the supported message sets loaded.
//
XMLMsgLoader* XMLPlatformUtils::loadAMsgSet(const XMLCh* const msgDomain)
{
XMLMsgLoader* retVal;
try
{
#if defined (XML_USE_ICU_MESSAGELOADER)
retVal = new ICUMsgLoader(msgDomain);
#else
// same as -DXML_USE_INMEM_MESSAGELOADER
retVal = new InMemMsgLoader(msgDomain);
#endif
}
catch(...)
{
panic(XMLPlatformUtils::Panic_CantLoadMsgDomain);
}
return retVal;
}
//
// This method is called very early in the bootstrapping process. This guy
// must create a transcoding service and return it. It cannot use any string
// methods, any transcoding services, throw any exceptions, etc... It just
// makes a transcoding service and returns it, or returns zero on failure.
//
XMLTransService* XMLPlatformUtils::makeTransService()
{
#if defined (XML_USE_ICU_TRANSCODER)
// Use ICU transcoding services.
// same as -DXML_USE_ICU_MESSAGELOADER
return new ICUTransService;
#else
// Use native transcoding services.
// same as -DXML_USE_INMEM_MESSAGELOADER
return new IconvFBSDTransService;
#endif
}
// ---------------------------------------------------------------------------
// XMLPlatformUtils: The panic method
// ---------------------------------------------------------------------------
void XMLPlatformUtils::panic(const PanicReasons reason)
{
const char* reasonStr = "Unknown reason";
if (reason == Panic_NoTransService)
reasonStr = "Could not load a transcoding service";
else if (reason == Panic_NoDefTranscoder)
reasonStr = "Could not load a local code page transcoder";
else if (reason == Panic_CantFindLib)
reasonStr = "Could not find the xerces-c DLL";
else if (reason == Panic_UnknownMsgDomain)
reasonStr = "Unknown message domain";
else if (reason == Panic_CantLoadMsgDomain)
reasonStr = "Cannot load message domain";
else if (reason == Panic_SynchronizationErr)
reasonStr = "Cannot synchronize system or mutex";
else if (reason == Panic_SystemInit)
reasonStr = "Cannot initialize the system or mutex";
fprintf(stderr, "%s\n", reasonStr);
exit(-1);
}
// ---------------------------------------------------------------------------
// XMLPlatformUtils: File Methods
// ---------------------------------------------------------------------------
unsigned int XMLPlatformUtils::curFilePos(FileHandle theFile)
{
if (theFile == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
off_t curPos = ftell( (FILE*)theFile);
if (curPos == -1)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotGetSize);
return (unsigned int)curPos;
}
void XMLPlatformUtils::closeFile(FileHandle theFile)
{
if (theFile == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
if (fclose((FILE*)theFile))
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotCloseFile);
}
unsigned int XMLPlatformUtils::fileSize(FileHandle theFile)
{
if (theFile == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
off_t curPos = ftell((FILE*) theFile);
if (curPos == -1)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotGetCurPos);
// Seek to the end and save that value for return
if (fseek((FILE*) theFile, 0, SEEK_END))
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotSeekToEnd);
off_t retVal = ftell((FILE*)theFile);
if (retVal == -1)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotSeekToEnd);
// And put the pointer back
if (fseek( (FILE*)theFile, curPos, SEEK_SET) )
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotSeekToPos);
return (unsigned int)retVal;
}
FileHandle XMLPlatformUtils::openFile(const XMLCh* const fileName)
{
if (fileName == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
const char* tmpFileName = XMLString::transcode(fileName);
ArrayJanitor<char> janText((char*)tmpFileName);
FileHandle retVal = (FileHandle)fopen( tmpFileName , "r+" );
return retVal;
}
FileHandle XMLPlatformUtils::openFile(const char* const fileName)
{
if (fileName == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
FileHandle retVal = (FileHandle)fopen( fileName , "r+" );
FileHandle XMLPlatformUtils::openFileToWrite(const XMLCh* const fileName)
if (fileName == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
const char* tmpFileName = XMLString::transcode(fileName);
ArrayJanitor<char> janText((char*)tmpFileName);
return fopen( tmpFileName , "w" );
FileHandle XMLPlatformUtils::openFileToWrite(const char* const fileName)
{
if (fileName == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
return fopen( fileName , "w" );
}
FileHandle XMLPlatformUtils::openStdInHandle()
{
int nfd = dup(0);
if (nfd == -1)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotDupHandle);
return (FileHandle) fdopen(dup(0), "r");
}
unsigned int
XMLPlatformUtils::readFileBuffer( FileHandle theFile
, const unsigned int toRead
, XMLByte* const toFill)
{
if ( !theFile || !toFill )
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
if (toRead == 0)
return 0;
size_t noOfItemsRead = fread((void*) toFill, 1, toRead, (FILE*)theFile);
if(ferror((FILE*)theFile))
{
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotReadFromFile);
}
return (unsigned int)noOfItemsRead;
}
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
void XMLPlatformUtils::writeBufferToFile( FileHandle const theFile
, long toWrite
, const XMLByte* const toFlush )
{
if ( !theFile || !toFlush )
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
if ( (toWrite <= 0 ) || !*toFlush )
return;
const XMLByte* tmpFlush = (const XMLByte*) toFlush;
size_t bytesWritten = 0;
while (true)
{
bytesWritten = fwrite(tmpFlush, sizeof(XMLByte), toWrite, (FILE*)theFile);
if(ferror((FILE*)theFile))
{
#if 0
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotWriteToFile);
#else
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotReadFromFile);
#endif
}
if (bytesWritten < (size_t) toWrite) //incomplete write
{
tmpFlush += bytesWritten;
toWrite -= bytesWritten;
bytesWritten = 0;
}
else
return;
}
}
void XMLPlatformUtils::resetFile(FileHandle theFile)
{
if (theFile == NULL)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::CPtr_PointerIsZero);
// Seek to the start of the file
if (fseek((FILE*)theFile, 0, SEEK_SET))
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_CouldNotResetFile);
}
// ---------------------------------------------------------------------------
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
// ---------------------------------------------------------------------------
XMLCh* XMLPlatformUtils::getFullPath(const XMLCh* const srcPath)
{
//
// NOTE: THe path provided has always already been opened successfully,
// so we know that its not some pathological freaky path. It comes in
// in native format, and goes out as Unicode always
//
char* newSrc = XMLString::transcode(srcPath);
ArrayJanitor<char> janText(newSrc);
// Use a local buffer that is big enough for the largest legal path
char *absPath = new char[PATH_MAX];
// get the absolute path
char* retPath = realpath(newSrc, absPath);
ArrayJanitor<char> janText2(retPath);
if (!retPath)
{
ThrowXML(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetBasePathName);
}
return XMLString::transcode(absPath);
}
bool XMLPlatformUtils::isRelative(const XMLCh* const toCheck)
{
// Check for pathological case of empty path
if (!toCheck[0])
return false;
//
// If it starts with a slash, then it cannot be relative. This covers
// both something like "\Test\File.xml" and an NT Lan type remote path
// that starts with a node like "\\MyNode\Test\File.xml".
//
if (toCheck[0] == XMLCh('/'))
return false;
// Else assume its a relative path
return true;
}
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
XMLCh* XMLPlatformUtils::weavePaths(const XMLCh* const basePath
, const XMLCh* const relativePath)
{
// Create a buffer as large as both parts and empty it
XMLCh* tmpBuf = new XMLCh[XMLString::stringLen(basePath)
+ XMLString::stringLen(relativePath)
+ 2];
*tmpBuf = 0;
//
// If we have no base path, then just take the relative path as
// is.
//
if (!basePath)
{
XMLString::copyString(tmpBuf, relativePath);
return tmpBuf;
}
if (!*basePath)
{
XMLString::copyString(tmpBuf, relativePath);
return tmpBuf;
}
const XMLCh* basePtr = basePath + (XMLString::stringLen(basePath) - 1);
if ((*basePtr != chForwardSlash)
&& (*basePtr != chBackSlash))
{
while ((basePtr >= basePath)
&& ((*basePtr != chForwardSlash) && (*basePtr != chBackSlash)))
{
basePtr--;
}
}
// There is no relevant base path, so just take the relative part
if (basePtr < basePath)
{
XMLString::copyString(tmpBuf, relativePath);
return tmpBuf;
}
// After this, make sure the buffer gets handled if we exit early
ArrayJanitor<XMLCh> janBuf(tmpBuf);
//
// We have some path part, so we need to check to see if we ahve to
// weave any of the parts together.
//
const XMLCh* pathPtr = relativePath;
while (true)
{
// If it does not start with some period, then we are done
if (*pathPtr != chPeriod)
break;
unsigned int periodCount = 1;
pathPtr++;
if (*pathPtr == chPeriod)
{
pathPtr++;
periodCount++;
}
// Has to be followed by a \ or / or the null to mean anything
if ((*pathPtr != chForwardSlash) && (*pathPtr != chBackSlash)
&& *pathPtr)
{
break;
}
if (*pathPtr)
pathPtr++;
// If its one period, just eat it, else move backwards in the base
if (periodCount == 2)
{
basePtr--;
while ((basePtr >= basePath)
&& ((*basePtr != chForwardSlash) && (*basePtr != chBackSlash)))
{
basePtr--;
}
// The base cannot provide enough levels, so its in error/
if (basePtr < basePath)
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::File_BasePathUnderflow);
}
}
// Copy the base part up to the base pointer
XMLCh* bufPtr = tmpBuf;
const XMLCh* tmpPtr = basePath;
while (tmpPtr <= basePtr)
*bufPtr++ = *tmpPtr++;
// And then copy on the rest of our path
XMLString::copyString(bufPtr, pathPtr);
// Orphan the buffer and return it
janBuf.orphan();
return tmpBuf;
}
// ---------------------------------------------------------------------------
// XMLPlatformUtils: Timing Methods
// ---------------------------------------------------------------------------
unsigned long XMLPlatformUtils::getCurrentMillis()
{
struct timeval aTime;
gettimeofday(&aTime, NULL);
return (unsigned long) (aTime.tv_sec * 1000 + aTime.tv_usec / 1000);
}
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
// -----------------------------------------------------------------------
// Mutex methods
// -----------------------------------------------------------------------
#if !defined(APP_NO_THREADS)
// ---------------------------------------------------------------------------
// XMLPlatformUtils: Platform init method
// ---------------------------------------------------------------------------
static XMLMutex atomicOpsMutex;
void XMLPlatformUtils::platformInit()
{
//
// The atomicOps mutex needs to be created early.
// Normally, mutexes are created on first use, but there is a
// circular dependency between compareAndExchange() and
// mutex creation that must be broken.
atomicOpsMutex.fHandle = XMLPlatformUtils::makeMutex();
}
void* XMLPlatformUtils::makeMutex()
{
pthread_mutex_t* mutex = new pthread_mutex_t;
pthread_mutexattr_t* attr = new pthread_mutexattr_t;
pthread_mutexattr_init(attr);
pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE);
if (pthread_mutex_init(mutex, attr))
{
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::Mutex_CouldNotCreate);
}
pthread_mutexattr_destroy(attr);
delete attr;
return (void*)(mutex);
}
void XMLPlatformUtils::closeMutex(void* const mtxHandle)
{
if (mtxHandle != NULL)
{
if (pthread_mutex_destroy((pthread_mutex_t*) mtxHandle))
{
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::Mutex_CouldNotDestroy);
}
delete (pthread_mutex_t*)mtxHandle;
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
}
}
void XMLPlatformUtils::lockMutex(void* const mtxHandle)
{
if (mtxHandle != NULL)
{
if (pthread_mutex_lock((pthread_mutex_t*) mtxHandle))
{
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::Mutex_CouldNotLock);
}
}
}
void XMLPlatformUtils::unlockMutex(void* const mtxHandle)
{
if (mtxHandle != NULL)
{
if (pthread_mutex_unlock((pthread_mutex_t*) mtxHandle))
{
ThrowXML(XMLPlatformUtilsException,
XMLExcepts::Mutex_CouldNotUnlock);
}
}
}
// -----------------------------------------------------------------------
// Miscellaneous synchronization methods
// -----------------------------------------------------------------------
void* XMLPlatformUtils::compareAndSwap(void** toFill
, const void* const newValue
, const void* const toCompare)
{
XMLMutexLock lockMutex(&atomicOpsMutex);
void *retVal = *toFill;
if (*toFill == toCompare)
*toFill = (void *)newValue;
return retVal;
}
int XMLPlatformUtils::atomicIncrement(int &location)
{
XMLMutexLock localLock(&atomicOpsMutex);
return ++location;
}
int XMLPlatformUtils::atomicDecrement(int &location)
{
XMLMutexLock localLock(&atomicOpsMutex);
return --location;
}
#else // #if !defined (APP_NO_THREADS)
void XMLPlatformUtils::platformInit()
{
}
void* XMLPlatformUtils::makeMutex()
{
return 0;
}
void XMLPlatformUtils::closeMutex(void* const mtxHandle)
{
}
void XMLPlatformUtils::lockMutex(void* const mtxHandle)
{
}
void XMLPlatformUtils::unlockMutex(void* const mtxHandle)
{
}
void* XMLPlatformUtils::compareAndSwap (void** toFill,
const void* const newValue,
const void* const toCompare)
{
void *retVal = *toFill;
if (*toFill == toCompare)
*toFill = (void *)newValue;
return retVal;
}
int XMLPlatformUtils::atomicIncrement(int &location)
{
return ++location;
}
int XMLPlatformUtils::atomicDecrement(int &location)
{
return --location;
}
#endif // APP_NO_THREADS
void XMLPlatformUtils::platformTerm()
{
#if !defined(APP_NO_THREADS)
// delete the mutex we created
closeMutex(atomicOpsMutex.fHandle);
atomicOpsMutex.fHandle = 0;
#endif
}