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#include "clEditorWordCharsLocker.h"
#include <algorithm>
clEditorXmlHelper::clEditorXmlHelper(wxStyledTextCtrl* stc)
: m_stc(stc)
{
static const wxString wordChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890_-";
std::for_each(wordChars.begin(), wordChars.end(), [&](const wxChar& ch) { m_chars.insert((int)ch); });
}
clEditorXmlHelper::~clEditorXmlHelper() {}
wxString clEditorXmlHelper::GetXmlTagAt(int pos, int& startPos, int& endPos) const
{
startPos = wxNOT_FOUND;
endPos = wxNOT_FOUND;
if(pos > m_stc->GetLastPosition() || pos < 0) return "";
// going backward
startPos = pos;
int tmppos = startPos - 1;
while(tmppos >= 0) {
char ch = GetCharAt(tmppos);
if(m_chars.count((int)ch)) {
startPos = tmppos;
--tmppos;
continue;
}
break;
}
if((GetCharAt(startPos - 1) == (int)'/') && (GetCharAt(startPos - 2) == (int)'<')) {
// a closing XML tag
startPos -= 2;
} else if(GetCharAt(startPos - 1) == (int)'<') {
// an opening tag
startPos -= 1;
} else {
// Not an XML tag
return "";
}
endPos = pos;
int lastPos = m_stc->GetLastPosition();
while(endPos < lastPos) {
char ch = GetCharAt(endPos);
if(m_chars.count((int)ch)) {
++endPos;
continue;
}
break;
}
// Did we get anything?
if((GetCharAt(endPos) == (int)'>')) {
// a closing XML tag
endPos += 1;
} else if((GetCharAt(endPos) != (int)' ') && (GetCharAt(endPos) != (int)'\t')) {
// a tag can end in only 2 ways:
// with '>' or with space | tab, this tag does not end with either
return "";
}
return m_stc->GetTextRange(startPos, endPos);
}
int clEditorXmlHelper::GetCharAt(int pos) const
{
if(pos < 0 || pos > m_stc->GetLastPosition()) return 0;
return m_stc->GetCharAt(pos);
}
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