summaryrefslogtreecommitdiffstats
path: root/src/tools.cpp
blob: 4226b23505929ebaaa6ebc5fcd5a52012f9a88db (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
/***************************************************************************
 *   Copyright (C) 2003 by S�astien Laot                                 *
 *   slaout@linux62.org                                                    *
 *                                                                         *
 *   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 option) 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.             *
 ***************************************************************************/

#include <kdebug.h>
#include <tqstring.h>
#include <tqpixmap.h>
#include <tqimage.h>
#include <tqstylesheet.h>
#include <tqregexp.h>
#include <tqvaluestack.h>
#include <tqfileinfo.h>
#include <tqdir.h>
#include <tqmime.h>
#include <tqfont.h>
#include <tqfontinfo.h>
#include <tqobjectlist.h>

#include "tools.h"

TQMemArray<TQTime>  StopWatch::starts;
TQMemArray<double> StopWatch::totals;
TQMemArray<uint>   StopWatch::counts;

void StopWatch::start(uint id)
{
	if (id >= starts.size()) {
		totals.resize(id + 1);
		counts.resize(id + 1);
		for (uint i = starts.size(); i <= id; i++) {
			totals[i] = 0;
			counts[i] = 0;
		}
		starts.resize(id + 1);
	}
	starts[id] = TQTime::currentTime();
}

void StopWatch::check(uint id)
{
	if (id >= starts.size())
		return;
	double time = starts[id].msecsTo(TQTime::currentTime()) / 1000.0;
	totals[id] += time;
	counts[id]++;
	kdDebug() << k_funcinfo << "Timer_" << id << ": " << time << " s    [" << counts[id] << " times, total: " << totals[id] << " s, average: " << totals[id] / counts[id] << " s]" <<  endl;
}

TQString Tools::textToHTML(const TQString &text)
{
	if (text.isEmpty())
		return "<p></p>";
	if (/*text.isEmpty() ||*/ text == " " || text == "&nbsp;")
		return "<p>&nbsp;</p>";

	// convertFromPlainText() replace "\n\n" by "</p>\n<p>": we don't want that
	TQString htmlString = TQStyleSheet::convertFromPlainText(text, TQStyleSheetItem::WhiteSpaceNormal);
	return htmlString.replace("</p>\n", "<br>\n<br>\n").replace("\n<p>", "\n"); // Don't replace first and last tags
}

TQString Tools::textToHTMLWithoutP(const TQString &text)
{
	// textToHTML(text) return "<p>HTMLizedText</p>". We remove the strating "<p>" and ending </p>"
	TQString HTMLizedText = textToHTML(text);
	return HTMLizedText.mid(3, HTMLizedText.length() - 3 - 4);
}

TQString Tools::htmlToParagraph(const TQString &html)
{
	TQString result = html;
	bool startedBySpan = false;

	// Remove the <html> start tag, all the <head> and the <body> start
	// Because <body> can contain style="..." parameter, we transform it to <span>
	int pos = result.find("<body");
	if (pos != -1) {
		result = "<span" + result.mid(pos + 5);
		startedBySpan = true;
	}

	// Remove the ending "</p>\n</body></html>", each tag can be separated by space characters (%s)
	// "</p>" can be omitted (eg. if the HTML doesn't contain paragraph but tables), as well as "</body>" (optinal)
	pos = result.find(TQRegExp("(?:(?:</p>[\\s\\n\\r\\t]*)*</body>[\\s\\n\\r\\t]*)*</html>", false)); // Case unsensitive
	if (pos != -1)
		result = result.left(pos);

	if (startedBySpan)
		result += "</span>";

	return result.replace("</p>", "<br><br>").replace("<p>", "");
}

// The following is adapted from KStringHanlder::tagURLs
// The adaptation lies in the change to urlEx
// Thanks to Richard Heck
TQString Tools::tagURLs(const TQString &text)
{
	TQRegExp urlEx("(www\\.(?!\\.)|([a-zA-z]+)://)[\\d\\w\\./,:_~\\?=&;#@\\-\\+\\%\\$]+[\\d\\w/]");

	TQString richText(text);
	int urlPos = 0;
	int urlLen;
	while ((urlPos = urlEx.search(richText, urlPos)) >= 0) {
		urlLen = urlEx.matchedLength();
		TQString href = richText.mid(urlPos, urlLen);
		// TQt doesn't support (?<=pattern) so we do it here
		if ((urlPos > 0) && richText[urlPos-1].isLetterOrNumber()) {
			urlPos++;
			continue;
		}
		TQString anchor = "<a href=\"" + href + "\">" + href + "</a>";
		richText.replace(urlPos, urlLen, anchor);
		urlPos += anchor.length();
	}
	return richText;
}

TQString Tools::htmlToText(const TQString &html)
{
	TQString text = htmlToParagraph(html);
	text.remove("\n");
	text.replace("</h1>", "\n");
	text.replace("</h2>", "\n");
	text.replace("</h3>", "\n");
	text.replace("</h4>", "\n");
	text.replace("</h5>", "\n");
	text.replace("</h6>", "\n");
	text.replace("</li>", "\n");
	text.replace("</dt>", "\n");
	text.replace("</dd>", "\n");
	text.replace("<dd>",  "   ");
	text.replace("</div>","\n");
	text.replace("</blockquote>","\n");
	text.replace("</caption>","\n");
	text.replace("</tr>", "\n");
	text.replace("</th>", "  ");
	text.replace("</td>", "  ");
	text.replace("<br>",  "\n");
	text.replace("<br />","\n");
	// FIXME: Format <table> tags better, if possible
	// TODO: Replace &eacute; and co. by theire equivalent!

	// To manage tags:
	int pos = 0;
	int pos2;
	TQString tag, tag3;
	// To manage lists:
	int deep = 0;            // The deep of the current line in imbriqued lists
	TQValueStack<bool> ul;    // true if current list is a <ul> one, false if it's an <ol> one
	TQValueStack<int>  lines; // The line number if it is an <ol> list
	// We're removing every other tags, or replace them in the case of li:
	while ( (pos = text.find("<"), pos) != -1 ) {
		// What is the current tag?
		tag  = text.mid(pos + 1, 2);
		tag3 = text.mid(pos + 1, 3);
		// Lists work:
		if (tag == "ul") {
			deep++;
			ul.push(true);
			lines.push(-1);
		} else if (tag == "ol") {
			deep++;
			ul.push(false);
			lines.push(0);
		} else if (tag3 == "/ul" || tag3 == "/ol") {
			deep--;
			ul.pop();
			lines.pop();
		}
		// Where the tag closes?
		pos2 = text.find(">");
		if (pos2 != -1) {
			// Remove the tag:
			text.remove(pos, pos2 - pos + 1);
			// And replace li with "* ", "x. "... without forbidding to indent that:
			if (tag == "li") {
				// How many spaces before the line (indentation):
				TQString spaces = "";
				for (int i = 1; i < deep; i++)
					spaces += "  ";
				// The bullet or number of the line:
				TQString bullet = "* ";
				if (ul.top() == false) {
					lines.push(lines.pop() + 1);
					bullet = TQString::number(lines.top()) + ". ";
				}
				// Insertion:
				text.insert(pos, spaces + bullet);
			}
			if ( (tag3 == "/ul" || tag3 == "/ol") && deep == 0 )
				text.insert(pos, "\n"); // Empty line before and after a set of lists
		}
		++pos;
	}

	text.replace("&gt;",   ">");
	text.replace("&lt;",   "<");
	text.replace("&quot;", "\"");
	text.replace("&nbsp;", " ");
	text.replace("&amp;",  "&"); // CONVERT IN LAST!!

	return text;
}

TQString Tools::cssFontDefinition(const TQFont &font, bool onlyFontFamily)
{
	// The font definition:
	TQString definition = TQString(font.italic() ? "italic " : "") +
	                     TQString(font.bold()   ? "bold "   : "") +
	                     TQString::number(TQFontInfo(font).pixelSize()) + "px ";

	// Then, try to match the font name with a standard CSS font family:
	TQString genericFont = "";
	if (definition.contains("serif", false) || definition.contains("roman", false))
		genericFont = "serif";
	// No "else if" because "sans serif" must be counted as "sans". So, the order between "serif" and "sans" is important
	if (definition.contains("sans", false) || definition.contains("arial", false) || definition.contains("helvetica", false))
		genericFont = "sans-serif";
	if (definition.contains("mono",       false) || definition.contains("courier", false) ||
	    definition.contains("typewriter", false) || definition.contains("console", false) ||
	    definition.contains("terminal",   false) || definition.contains("news",    false))
		genericFont = "monospace";

	// Eventually add the generic font family to the definition:
	TQString fontDefinition = "\"" + font.family() + "\"";
	if (!genericFont.isEmpty())
		fontDefinition += ", " + genericFont;

	if (onlyFontFamily)
		return fontDefinition;

	return definition + fontDefinition;
}

TQString Tools::stripEndWhiteSpaces(const TQString &string)
{
	uint length = string.length();
	uint i;
	for (i = length; i > 0; --i)
		if (!string[i-1].isSpace())
			break;
	if (i == 0)
		return "";
	else
		return string.left(i);
}



bool Tools::isWebColor(const TQColor &color)
{
	int r = color.red();   // The 216 web colors are those colors whose RGB (Red, Green, Blue)
	int g = color.green(); //  values are all in the set (0, 51, 102, 153, 204, 255).
	int b = color.blue();

	return ( ( r ==   0 || r ==  51 || r == 102 ||
			   r == 153 || r == 204 || r == 255    ) &&
			 ( g ==   0 || g ==  51 || g == 102 ||
			   g == 153 || g == 204 || g == 255    ) &&
			 ( b ==   0 || b ==  51 || b == 102 ||
			   b == 153 || b == 204 || b == 255    )    );
}

TQColor Tools::mixColor(const TQColor &color1, const TQColor &color2)
{
	TQColor mixedColor;
	mixedColor.setRgb( (color1.red()   + color2.red())   / 2,
	                   (color1.green() + color2.green()) / 2,
	                   (color1.blue()  + color2.blue())  / 2 );
	return mixedColor;
}

bool Tools::tooDark(const TQColor &color)
{
	int dontCare, value;
	color.getHsv(/*hue:*/&dontCare, /*saturation:*/&dontCare, &value);
	return value < 175;
}


// TODO: Use it for all indentPixmap()
TQPixmap Tools::normalizePixmap(const TQPixmap &pixmap, int width, int height)
{
	if (height <= 0)
		height = width;

	if (pixmap.isNull() || (pixmap.width() == width && pixmap.height() == height))
		return pixmap;

	return pixmap;
}

TQPixmap Tools::indentPixmap(const TQPixmap &source, int depth, int deltaX)
{
	// Verify if it is possible:
	if (depth <= 0 || source.isNull())
		return source;

	// Compute the number of pixels to indent:
	if (deltaX <= 0)
		deltaX = 2 * source.width() / 3;
	int indent = depth * deltaX;

	// Create the images:
	TQImage resultImage(indent + source.width(), source.height(), 32);
	TQImage sourceImage = source.convertToImage();
	resultImage.setAlphaBuffer(true);

	// Clear the indent part (the left part) by making it fully transparent:
	uint *p;
	for (int row = 0; row < resultImage.height(); ++row) {
		for (int column = 0; column < resultImage.width(); ++column) {
			p = (uint *)resultImage.scanLine(row) + column;
			*p = 0; // tqRgba(0, 0, 0, 0)
		}
	}

	// Copy the source image byte per byte to the right part:
	uint *q;
	for (int row = 0; row < sourceImage.height(); ++row) {
		for (int column = 0; column < sourceImage.width(); ++column) {
			p = (uint *)resultImage.scanLine(row) + indent + column;
			q = (uint *)sourceImage.scanLine(row) + column;
			*p = *q;
		}
	}

	// And return the result:
	TQPixmap result;
	result.convertFromImage(resultImage);
	return result;
}

#include <iostream>

void Tools::deleteRecursively(const TQString &folderOrFile)
{
	if (folderOrFile.isEmpty())
		return;

	TQFileInfo fileInfo(folderOrFile);
	if (fileInfo.isDir()) {
		// Delete the child files:
		TQDir dir(folderOrFile, TQString(), TQDir::Name | TQDir::IgnoreCase, TQDir::All | TQDir::Hidden);
		TQStringList list = dir.entryList();
		for ( TQStringList::Iterator it = list.begin(); it != list.end(); ++it )
			if ( *it != "." && *it != ".." )
				deleteRecursively(folderOrFile + "/" + *it);
		// And then delete the folder:
		dir.rmdir(folderOrFile);
	} else
		// Delete the file:
		TQFile::remove(folderOrFile);
}

TQString Tools::fileNameForNewFile(const TQString &wantedName, const TQString &destFolder)
{
	TQString fileName  = wantedName;
	TQString fullName  = destFolder + fileName;
	TQString extension = "";
	int     number    = 2;
	TQDir    dir;

	// First check if the file do not exists yet (simplier and more often case)
	dir = TQDir(fullName);
	if ( ! dir.exists(fullName) )
		return fileName;

	// Find the file extension, if it exists : Split fileName in fileName and extension
	// Example : fileName == "note5-3.txt" => fileName = "note5-3" and extension = ".txt"
	int extIndex = fileName.findRev('.');
	if (extIndex != -1 && extIndex != int(fileName.length()-1))  { // Extension found and fileName do not ends with '.' !
		extension = fileName.mid(extIndex);
		fileName.truncate(extIndex);
	} // else fileName = fileName and extension = ""

	// Find the file number, if it exists : Split fileName in fileName and number
	// Example : fileName == "note5-3" => fileName = "note5" and number = 3
	int extNumber = fileName.findRev('-');
	if (extNumber != -1 && extNumber != int(fileName.length()-1))  { // Number found and fileName do not ends with '-' !
		bool isANumber;
		int  theNumber = fileName.mid(extNumber + 1).toInt(&isANumber);
		if (isANumber) {
			number = theNumber;
			fileName.truncate(extNumber);
		} // else :
	} // else fileName = fileName and number = 2 (because if the file already exists, the genereated name is at last the 2nd)

	TQString finalName;
	for (/*int number = 2*/; ; ++number) { // TODO: FIXME: If overflow ???
		finalName = fileName + "-" + TQString::number(number) + extension;
		fullName = destFolder + finalName;
		dir = TQDir(fullName);
		if ( ! dir.exists(fullName) )
			break;
	}

	return finalName;
}


// TODO: Move it from NoteFactory
/*TQString NoteFactory::iconForURL(const KURL &url)
{
	TQString icon = KMimeType::iconForURL(url.url());
	if ( url.protocol() == "mailto" )
		icon = "message";
	return icon;
}*/

bool Tools::isAFileCut(TQMimeSource *source)
{
	if (source->provides("application/x-tde-cutselection")) {
		TQByteArray array = source->encodedData("application/x-tde-cutselection");
		return !array.isEmpty() && TQCString(array.data(), array.size() + 1).at(0) == '1';
	} else
		return false;
}

void Tools::printChildren(TQObject* parent)
{
	const TQObjectList objs = parent->childrenListObject();
	TQObjectListIt it(objs);
	TQObject *obj;

	while((obj = it.current())!= 0){
		++it;
		kdDebug() << k_funcinfo << obj->className() << ": " << obj->name() << endl;
	}
}