/*!
* Assuming a string of standard abiword properties eg. "fred:nerk; table-width:1.0in; table-height:10.in"
* Return the value of the property sProp or NULL if it is not present.
* This UT_UTF8String * should be deleted by the calling programming after it is finished with it.
*/
UT_UTF8String UT_UTF8String_getPropVal(const UT_UTF8String & sPropertyString, const UT_UTF8String & sProp)
{
UT_UTF8String sWork(sProp);
sWork += ":";
const char * szWork = sWork.utf8_str();
const char * szProps = sPropertyString.utf8_str();
const char * szLoc = strstr(szProps,szWork);
if(szLoc == NULL)
{
return UT_UTF8String();
}
//
// Look if this is the last property in the string.
//
const char * szDelim = strchr(szLoc,';');
if(szDelim == NULL)
{
//
// Remove trailing spaces
//
UT_sint32 iSLen = strlen(szProps);
while(iSLen > 0 && szProps[iSLen-1] == ' ')
{
iSLen--;
}
//
// Calculate the location of the substring
//
UT_sint32 offset = static_cast<UT_sint32>(reinterpret_cast<size_t>(szLoc) - reinterpret_cast<size_t>(szProps));
offset += strlen(szWork);
return UT_UTF8String(sPropertyString.substr(offset,(iSLen - offset)));
}
else
{
szDelim = strchr(szLoc,';');
if(szDelim == NULL)
{
//
// bad property string
//
UT_ASSERT(UT_SHOULD_NOT_HAPPEN);
return UT_UTF8String();
}
//
// Remove trailing spaces.
//
while(*szDelim == ';' || *szDelim == ' ')
{
szDelim--;
}
//
// Calculate the location of the substring
//
UT_sint32 offset = static_cast<UT_sint32>(reinterpret_cast<size_t>(szLoc) - reinterpret_cast<size_t>(szProps));
offset += strlen(szWork);
UT_sint32 iLen = static_cast<UT_sint32>(reinterpret_cast<size_t>(szDelim) - reinterpret_cast<size_t>(szProps)) + 1;
return UT_UTF8String(sPropertyString.substr(offset,(iLen - offset)));
}
}
/*!
* Assuming a string of standard abiword properties eg. "fred:nerk; table-width:1.0in; table-height:10.in"
* Remove the property sProp and it's value from the string of properties.
*/
void UT_std_string_removeProperty(std::string & sPropertyString, const std::string & sProp)
{
std::string sWork ( sProp );
sWork += ":";
const char * szWork = sWork.c_str();
const char * szProps = sPropertyString.c_str();
const char * szLoc = strstr(szProps,szWork);
if(szLoc == NULL)
{
//Not here, do nothing
return ;
}
// Check if this is a real match
if (szLoc != szProps)
{
// This is not the first property. It could be a false match
// for example, 'frame-col-xpos' and 'xpos'
std::string sWorkCheck("; ");
sWorkCheck += sWork;
const char * szLocCheck = strstr(szProps,sWorkCheck.c_str());
if (!szLocCheck)
{
// False match
return;
}
szLoc = szLocCheck;
}
UT_sint32 locLeft = static_cast<UT_sint32>(reinterpret_cast<size_t>(szLoc) - reinterpret_cast<size_t>(szProps));
std::string sLeft;
if(locLeft == 0)
{
sLeft.clear();
}
else
{
sLeft = sPropertyString.substr(0,locLeft);
}
locLeft = static_cast<UT_sint32>(sLeft.size());
std::string sNew;
if(locLeft > 0)
{
sNew = sLeft.substr(0,locLeft+1);
}
else
{
sNew.clear();
}
// Look for ";" to get right part
const char * szDelim = strchr(szLoc,';');
if(szDelim == NULL)
{
// No properties after this, just assign and return
sPropertyString = sNew;
}
else
{
// Just slice off the properties and tack them onto the pre-existing sNew
while(*szDelim == ';' || *szDelim == ' ')
{
szDelim++;
}
UT_sint32 offset = static_cast<UT_sint32>(reinterpret_cast<size_t>(szDelim) - reinterpret_cast<size_t>(szProps));
UT_sint32 iLen = sPropertyString.size() - offset;
if(sNew.size() > 0)
{
sNew += "; ";
}
sNew += sPropertyString.substr(offset,iLen);
sPropertyString = sNew;
}
}
