static WrapperStr relative_path(const QDir & destdir, WrapperStr relto)
{
QDir fromdir(relto);
/*WrapperStr from = WrapperStr(fromdir.absPath());
WrapperStr to = WrapperStr(destdir.absPath());*/
QByteArray fromBa = fromdir.absolutePath().toLatin1();
QByteArray toBa = destdir.absolutePath().toLatin1();
const char * cfrom = fromBa.constData();
const char * cto = toBa.constData();
int lastsep = -1;
int index = 0;
for (;;) {
char f = cfrom[index];
char t = cto[index];
if (f == 0) {
switch (t) {
case 0:
// same path
return "";
case '/':
// to = .../aze/qsd/wxc, from = .../aze => qsd/wxc/
return (cto + index + 1) + WrapperStr("/");
default:
// to = .../aze/qsd/wxc, from = .../az => ../aze/qsd/wxc/
return "../" + WrapperStr(cto + lastsep + 1) + "/";
}
}
else if (t == f) {
if (t == '/')
lastsep = index;
index += 1;
}
else if (t == 0) {
WrapperStr r;
const char * p = cfrom + index;
do {
if (*p == '/')
r += "../";
}
while (*++p != 0);
if (f == '/')
// to = .../aze, from = .../aze/qsd/wxc => ../../
return r;
else
// to = .../az, from = .../aze/qsd/wxc => ../../../az/
return ("../" + r + (cto + lastsep + 1)) + "/";
}
else {
// to = .../aze, from = .../iop/klm => ../../aze/
WrapperStr r = "../";
const char * p = cfrom + lastsep + 1;
while (*p != 0)
if (*p++ == '/')
r += "../";
return (r + (cto + lastsep + 1)) + "/";
}
}
}
static Q3CString relative_path(const QDir & destdir, Q3CString relto)
{
QDir fromdir(relto);
Q3CString from = Q3CString(fromdir.absPath().toAscii().constData());
Q3CString to = Q3CString(destdir.absPath().toAscii().constData());
const char * cfrom = from;
const char * cto = to;
int lastsep = -1;
int index = 0;
for (;;) {
char f = cfrom[index];
char t = cto[index];
if (f == 0) {
switch (t) {
case 0:
// same path
return "";
case '/':
// to = .../aze/qsd/wxc, from = .../aze => qsd/wxc/
return (cto + index + 1) + Q3CString("/");
default:
// to = .../aze/qsd/wxc, from = .../az => ../aze/qsd/wxc/
return "../" + Q3CString(cto + lastsep + 1) + "/";
}
}
else if (t == f) {
if (t == '/')
lastsep = index;
index += 1;
}
else if (t == 0) {
Q3CString r;
const char * p = cfrom+index;
do {
if (*p == '/')
r += "../";
} while (*++p != 0);
if (f == '/')
// to = .../aze, from = .../aze/qsd/wxc => ../../
return r;
else
// to = .../az, from = .../aze/qsd/wxc => ../../../az/
return ("../" + r + (cto + lastsep + 1)) + "/";
}
else {
// to = .../aze, from = .../iop/klm => ../../aze/
Q3CString r = "../";
const char * p = cfrom + lastsep + 1;
while (*p != 0)
if (*p++ == '/')
r += "../";
return (r + (cto + lastsep + 1)) + "/";
}
}
}
