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basket/src/tools.cpp

447 lines
14 KiB

/***************************************************************************
* Copyright (C) 2003 by S<EFBFBD>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-kde-cutselection")) {
TQByteArray array = source->encodedData("application/x-kde-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;
}
}