void findA(QDomElement element, QList<QDomElement> & aElements)
{
if (element.tagName().compare("a", Qt::CaseInsensitive) == 0) {
aElements.append(element);
return;
}
QDomElement c = element.firstChildElement();
while (!c.isNull()) {
findA(c, aElements);
c = c.nextSiblingElement();
}
}
void Note::linkDialog() {
QTextCursor textCursor = m_graphicsTextItem->textCursor();
bool gotUrl = false;
if (textCursor.anchor() == textCursor.selectionStart()) {
// the selection returns empty since we're between characters
// so select one character forward or one character backward
// to see whether we're in a url
int wasAnchor = textCursor.anchor();
bool atEnd = textCursor.atEnd();
bool atStart = textCursor.atStart();
if (!atStart) {
textCursor.setPosition(wasAnchor - 1, QTextCursor::KeepAnchor);
QString html = textCursor.selection().toHtml();
if (UrlTag.indexIn(html) >= 0) {
gotUrl = true;
}
}
if (!gotUrl && !atEnd) {
textCursor.setPosition(wasAnchor + 1, QTextCursor::KeepAnchor);
QString html = textCursor.selection().toHtml();
if (UrlTag.indexIn(html) >= 0) {
gotUrl = true;
}
}
textCursor.setPosition(wasAnchor, QTextCursor::MoveAnchor);
}
else {
QString html = textCursor.selection().toHtml();
DebugDialog::debug(html);
if (UrlTag.indexIn(html) >= 0) {
gotUrl = true;
}
}
LinkDialog ld;
QString originalText;
QString originalUrl;
if (gotUrl) {
originalUrl = UrlTag.cap(1);
ld.setUrl(originalUrl);
QString html = m_graphicsTextItem->toHtml();
// assumes html is in xml form
QString errorStr;
int errorLine;
int errorColumn;
QDomDocument domDocument;
if (!domDocument.setContent(html, &errorStr, &errorLine, &errorColumn)) {
return;
}
QDomElement root = domDocument.documentElement();
if (root.isNull()) {
return;
}
if (root.tagName() != "html") {
return;
}
DebugDialog::debug(html);
QList<QDomElement> aElements;
findA(root, aElements);
foreach (QDomElement a, aElements) {
// TODO: if multiple hrefs point to the same url this will only find the first one
QString href = a.attribute("href");
if (href.isEmpty()) {
href = a.attribute("HREF");
}
if (href.compare(originalUrl) == 0) {
QString text;
if (TextUtils::findText(a, text)) {
ld.setText(text);
break;
}
else {
return;
}
}
}
}
int main(int argc, char *argv[])
{
if(argc != 5 || argc == 1) // User didn't use correct number of args
{
printUsage();
exit(EXIT_FAILURE);
}
int flags;
bool aFlag = false, bFlag = false, cFlag = false;
double a = 0.0, b = 0.0, c = 0.0;
while ((flags = getopt(argc, argv, "a:b:c:h")) != -1) // Go through arguments used
{
switch(flags)
{
case 'h': // Help, print and exit
printUsage();
exit(EXIT_SUCCESS);
case 'a': // Store the 'a' side and set aFlag
if(aFlag)
{
moreThanOneSide(a);
} else {
aFlag = true;
a = atof(optarg);
}
break;
case 'b': // Store the 'b' side and set bFlag
if(bFlag)
{
moreThanOneSide(b);
} else {
bFlag = true;
b = atof(optarg);
}
break;
case 'c': // Store the 'c' side and set cFlag
if(cFlag)
{
moreThanOneSide(c);
} else {
cFlag = true;
c = atof(optarg);
}
break;
}
}
if(aFlag && bFlag) // Calculate and print result for side C
{
c = findC(a, b);
printf("The length of side 'c' is %G\n", c);
} else if(aFlag && cFlag) { // Calculate and print result for side B
b = findB(a, c);
printf("The length of side 'b' is %G\n", b);
} else if (bFlag && cFlag) { // Calculate and print result for side A
a = findA(b, c);
printf("The length of side 'a' is %G\n", a);
}
exit(EXIT_SUCCESS);
}
