summaryrefslogtreecommitdiffstats
path: root/src/kvilib/file/kvi_fileutils.cpp
blob: 648d912588390545bfa25d7b7a8fb43bed79e13e (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
//=============================================================================
//
//   File : kvi_fileutils.cpp
//   Creation date : Fri Dec 25 1998 18:26:48 by Szymon Stefanek
//
//   This file is part of the KVirc irc client distribution
//   Copyright (C) 1998-2007 Szymon Stefanek (pragma at kvirc dot net)
//
//   This program is FREE software. You can redistribute it and/or
//   modify it under the terms of the GNU General Public License
//   as published by the Free Software Foundation; either version 2
//   of the License, or (at your opinion) any later version.
//
//   This program is distributed in the HOPE that it will be USEFUL,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//   See the GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with this program. If not, write to the Free Software Foundation,
//   Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#define __KVILIB__


#define _KVI_FILEUTLIS_CPP_
#include "kvi_fileutils.h"
#include "kvi_qstring.h"
#include "kvi_file.h"
#include "kvi_malloc.h"

#include <qdir.h>
#include <qfileinfo.h>
#include <qglobal.h>
#include <qtextcodec.h>
#include <qtextstream.h>


namespace KviFileUtils
{
	/*
		WORKING CODE BUT UNUSED FOR NOW
	bool readLine(QFile * f,QString &szBuffer,bool bClearBuffer)
	{
		// FIXME: Should this assume UTF8 encoding ?
		char tmp_buf[256];
		int cur_len = 0;
		//char *cur_ptr = tmp_buf;
		if(bClearBuffer)szBuffer = "";
		int ch = f->getch();
	
		while((ch != -1)&&(ch != '\n')&&(ch != 0))
		{
			tmp_buf[cur_len] = ch;
			cur_len++;
			if(cur_len > 255)
			{
				if(tmp_buf[255] == '\r')cur_len--; //Ignore CR...
				int lastlen = szBuffer.length();
				szBuffer.setLength(lastlen + cur_len);
				QChar *p1 = szBuffer.unicode() + lastlen;
				char * p2 = tmp_buf;
				for(int i=0;i<cur_len;i++)*p1++ = *p2++;
				cur_len = 0;
			}
			ch = f->getch();
		}
		if(ch == 0)
		{
			debug("Warning : %s is not an ascii file",f->name().latin1());
		}
		if(cur_len > 0)
		{
			if(tmp_buf[cur_len - 1] == '\r')cur_len--; //Ignore CR...
			int lastlen = szBuffer.length();
			szBuffer.setLength(lastlen + cur_len);
			QChar *p1 = szBuffer.unicode() + lastlen;
			char * p2 = tmp_buf;
			for(int i=0;i<cur_len;i++)*p1++ = *p2++;
		}
		return (ch == '\n'); //more data to read else a broken file or EOF
	}

	bool loadFileStripCR(const QString &szPath,QString &szBuffer)
	{
		QFile f(szPath);
		if(!f.open(IO_ReadOnly))return false;
		szBuffer = "";
		while(readLine(&f,szBuffer,false))
		{
			szBuffer.append('\n'); // readLine returned true...last char was a newline
		}
		// readLine returned false , no ending newline encountered
		return true;
	}
	*/

	bool makeDir(const QString &szPath)
	{
		QDir d;
		QString dir = KviQString::trimmed(szPath);
		adjustFilePath(dir);
		QString createdDir;

#ifdef COMPILE_ON_WINDOWS
#ifdef COMPILE_USE_QT4
		int idx = dir.indexOf(':');
#else
		int idx = dir.find(':');
#endif
		if(idx == 1)
		{
			createdDir = dir.left(2);
			dir.remove(0,2);
		}
#endif

		KviQString::stripLeft(dir,KVI_PATH_SEPARATOR_CHAR);
		while(!dir.isEmpty())
		{
			createdDir += KVI_PATH_SEPARATOR;
			createdDir += KviQString::getToken(dir,KVI_PATH_SEPARATOR_CHAR);
			if(!directoryExists(createdDir))
			{
				if(!d.mkdir(createdDir))
				{
					debug("Can't create directory %s",KviQString::toUtf8(createdDir).data());
					return false;
				}
			}
			KviQString::stripLeft(dir,KVI_PATH_SEPARATOR_CHAR);
		}
		return true;
	}
	
	bool makeDir(const char* path)
	{
		QString szPath=QString::fromUtf8(path);
		return makeDir(szPath);
	}

	bool renameFile(const QString &szSrc,const QString &szDst)
	{
		QDir d;
		return d.rename(szSrc,szDst);
	}

	bool renameFile(const char* path,const char* path2)
	{
		QString szPath=QString::fromUtf8(path);
		QString szPath2=QString::fromUtf8(path2);
		return renameFile(szPath,szPath2);
	}

	bool copyFile(const QString &szSrc,const QString &szDst)
	{
		KviFile f1(szSrc);
		if(!f1.openForReading())return false;
		KviFile f2(szDst);
		if(!f2.openForWriting())
		{
			f1.close();
			return false;
		}
		char buffer[1024];
		while(!f1.atEnd())
		{
			int len = f1.readBlock(buffer,1024);
			if(len <= 0)
			{
				f1.close();
				f2.close();
				return false; //"serious error"
			}
			f2.writeBlock(buffer,len);
		}
		f1.close();
		f2.close();
		return true;
	}

	bool copyFile(const char* path,const char* path2)
	{
		QString szPath=QString::fromUtf8(path);
		QString szPath2=QString::fromUtf8(path2);
		return copyFile(szPath,szPath2);
	}

	bool loadFile(const QString &szPath,QString &szBuffer,bool bUtf8)
	{
		KviFile f(szPath);
		if(!f.openForReading())return false;
		if(bUtf8)
		{
			QByteArray ba = f.readAll();
			szBuffer = QString::fromUtf8(ba.data(),ba.size());
			//debug("BUFFERLEN: %d",szBuffer.length());
		} else {
			szBuffer = QString(f.readAll());
		}
		return true;
	}
	
	bool loadFile(const char* path,QString &szBuffer,bool bUtf8)
	{
		QString szPath=QString::fromUtf8(path);
		return loadFile(szPath,szBuffer,bUtf8);
	}	
	
	void adjustFilePath(QString &szPath)
	{
#ifdef COMPILE_ON_WINDOWS
		szPath.replace('/',"\\");
#ifdef COMPILE_USE_QT4
		szPath.replace("\\\\","\\");
#else
		while(szPath.find("\\\\") != -1)szPath.replace("\\\\","\\");
#endif
		// FIXME: Use the default drive here ?
		if(szPath.startsWith("\\"))szPath.prepend("C:");
#else
		szPath.replace('\\',"/");
#ifdef COMPILE_USE_QT4
		szPath.replace("//","/");
#else
		while(KviQString::find(szPath,"//") != -1)szPath.replace("//","/");
#endif
		// deal with windows paths
		if((szPath.length() > 2) && (szPath.at(0) != QChar('/')))
		{
			if((szPath.at(1) == QChar(':')) && (szPath.at(2) == QChar('/')))
			{
				szPath.remove(0,2);
			}
		}
#ifdef COMPILE_USE_QT4
		szPath=QDir::cleanPath(szPath);
#else
		szPath=QDir::cleanDirPath(szPath);
#endif
#endif
		
	}
	
	bool directoryExists(const QString &szPath)
	{
		QFileInfo f(szPath);
		return (f.exists() && f.isDir());
	}

	bool directoryExists(const char* path)
	{	
		QString szPath=QString::fromUtf8(path);
		QFileInfo f(szPath);
		return (f.exists() && f.isDir());
	}

	bool fileExists(const QString &szPath)
	{
		QFileInfo f(szPath);
		return (f.exists() && f.isFile());
	}
	
	bool fileExists(const char* path)
	{	
		QString szPath=QString::fromUtf8(path);
		return fileExists(szPath);
	}
	
	bool removeFile(const QString &szPath)
	{
		QDir d;
		return d.remove(szPath);
	}

	bool removeFile(const char* path)
	{
		QString szPath=QString::fromUtf8(path);
		return removeFile(szPath);
	}

	bool removeDir(const QString &szPath)
	{
		QDir d;
		return d.rmdir(szPath);
	}
	
	bool removeDir(const char* path)
	{
		QString szPath=QString::fromUtf8(path);
		return removeDir(szPath);
	}

	bool deleteDir(const QString &szPath)
	{
		QDir d(szPath);
		QStringList sl = d.entryList(QDir::Dirs);
		QStringList::Iterator it;
		for(it=sl.begin();it != sl.end();it++)
		{
			QString szSubdir = *it;
			if(!(KviQString::equalCS(szSubdir,"..") || KviQString::equalCS(szSubdir,".")))
			{
				QString szSubPath = szPath;
				KviQString::ensureLastCharIs(szSubPath,QChar(KVI_PATH_SEPARATOR_CHAR));
				szSubPath += szSubdir;
				if(!KviFileUtils::deleteDir(szSubPath))
					return false;
			}
		}

		sl = d.entryList(QDir::Files);
		for(it=sl.begin();it != sl.end();it++)
		{
			QString szFilePath = szPath;
			KviQString::ensureLastCharIs(szFilePath,QChar(KVI_PATH_SEPARATOR_CHAR));
			szFilePath += *it;
			if(!KviFileUtils::removeFile(szFilePath))
				return false;
		}

		return KviFileUtils::removeDir(szPath);
	}
	
	bool writeFile(const QString &szPath,const QString &szData,bool bAppend)
	{
		KviFile f(szPath);
		if(!f.openForWriting(bAppend))return false;
		KviQCString szTmp = KviQString::toUtf8(szData);
		if(!szTmp.data())return true;
		if(f.writeBlock(szTmp.data(),szTmp.length()) != ((int)(szTmp.length())))return false;
		return true;
	}

	bool writeFile(const char* path,const QString &szData,bool bAppend)
	{
		QString szPath=QString::fromUtf8(path);
		return writeFile(szPath,szData,bAppend);
	}

	bool writeFileLocal8Bit(const QString &szPath,const QString &szData,bool bAppend)
	{
		KviFile f(szPath);
		if(!f.openForWriting(bAppend))return false;
		KviQCString szTmp = QTextCodec::codecForLocale()->fromUnicode(szData);
		if(!szTmp.data())return true;
		if(f.writeBlock(szTmp.data(),szTmp.length()) != ((int)(szTmp.length())))return false;
		return true;
	}
	
	bool writeFileLocal8Bit(const char* path,const QString &szData,bool bAppend)
	{
		QString szPath=QString::fromUtf8(path);
		return writeFileLocal8Bit(szPath,szData,bAppend);
	}

	bool readFile(const QString &szPath,QString &szBuffer,unsigned int uMaxSize)
	{
		KviFile f(szPath);
		if(!f.openForReading())return false;
		if(f.size() < 1)
		{
			szBuffer = "";
			f.close();
			return true;
		}
		if(f.size() > uMaxSize)return false;
		char * buf = new char[f.size() + 1];
		if(f.readBlock(buf,f.size()) != ((long int)f.size()))
		{
			delete buf;
            buf = 0;
			return false;
		}
		buf[f.size()] = '\0';
		szBuffer = QString::fromUtf8(buf);
		delete[] buf;
		return true;
	}

	bool readFile(const char* path,QString &szBuffer,unsigned int uMaxSize)
	{
		QString szPath=QString::fromUtf8(path);
		return readFile(szPath,szBuffer,uMaxSize);
	}

	
	QString extractFileName(const QString &szFileNameWithPath)
	{
		return QFileInfo(szFileNameWithPath).fileName();
	}

	QString extractFilePath(const QString &szFileNameWithPath)
	{
		return QFileInfo(szFileNameWithPath).dirPath(true);
	}

	bool readLine(QFile * f,QString &szBuffer,bool bUtf8)
	{
		QTextStream stream(f);
		stream.setEncoding(bUtf8 ? QTextStream::UnicodeUTF8 : QTextStream::Locale);
		szBuffer=stream.readLine();
		return !szBuffer.isNull();
	}
	
	bool readLines(QFile * f,QStringList &buffer,int iStartLine, int iCount, bool bUtf8)
	{
		QTextStream stream( f );
		stream.setEncoding(bUtf8 ? QTextStream::UnicodeUTF8 : QTextStream::Locale);
		for(int i=0;i<iStartLine;i++)
			stream.readLine();

		if(iCount>0)
		{
			for(; (iCount>0 && !stream.atEnd()) ; iCount-- )
				buffer.append(stream.readLine());
		} else {
			while(!stream.atEnd()) {
				buffer.append(stream.readLine());
			}
		}
		return buffer.count()!= 0;
	}

	bool isReadable(const QString &szFname)
	{
		QFileInfo f(szFname);
		return (f.exists() && f.isFile() && f.isReadable());
	}
	
	bool isReadable(const char* path)
	{
		QString szPath=QString::fromUtf8(path);
		return isReadable(szPath);
	}
	
	bool isAbsolutePath(const QString &szPath)
	{
		QFileInfo f(szPath);
		return !f.isRelative();
	}
};

static char hexchars[16] = { '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' , '8' , '9' , 'A' , 'B' , 'C' , 'D' , 'E' , 'F' };


void kvi_encodeFileName(KviStr & path)
{
	QString szPath(path.ptr());
	kvi_encodeFileName(szPath);
	path=szPath;
}

void kvi_encodeFileName(QString & path)
{
	QString src(path);
	path="";
	for(int i=0;i<src.length();i++)
	{
		QChar cur=src[i];
		if( ! (cur.isLetter() || cur.isDigit() || cur==' ' || cur=='_' || cur=='.' || cur=='#' || cur=='%') )
		{
			if(cur.row()!=0)
			{
				path+='%';
				path+=hexchars[cur.row() >> 4];
				path+=hexchars[cur.row() & 15];
			}
			path+='%';
			path+=hexchars[cur.cell() >> 4];
			path+=hexchars[cur.cell() & 15];
		} else if (cur=='%')
		{
			path+="%%";
		} else {
			path+=cur;
		}
	}
}

//================ kvi_isAbsolutePath ===============//

bool kvi_isAbsolutePath(const char *path)
{
	if(*path == '/')return true;
	if(isalpha(*path))
	{
		if((*(path + 1)) == ':')return true;
	}
	return false;
}

//=================== kvi_readLine =====================//

bool kvi_readLine(QFile *f,KviStr &str)
{
	QTextStream stream(f);
	QString szBuff=stream.readLine();
	str=szBuff;
	return szBuff.isNull() ? 1 : 0;
}