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#include "textcutter.h"
TextCutter::TextCutter(const wxString& allText, FortranSourceForm fsForm)
{
m_Text = allText;
m_TextLen = m_Text.length();
m_CurSourceForm = fsForm;
m_CurIdx = 0;
m_CurColumn = 1;
}
TextCutter::~TextCutter()
{
};
void TextCutter::GetChunk(wxString& chunk, bool& isWord)
{
isWord = false;
chunk = wxEmptyString;
if (IsEOF())
return;
unsigned int start = m_CurIdx;
if (isalpha(CurrentChar()) || CurrentChar() == '_')
{
while (!IsEOF() &&
(isalnum(CurrentChar()) || CurrentChar() == '_'))
MoveToNextChar();
chunk = m_Text.Mid(start, m_CurIdx - start);
isWord = true;
}
else
{
SkipWhiteSpace();
SkipUnwanted();
if (start != m_CurIdx)
{
chunk = m_Text.Mid(start, m_CurIdx - start);
return;
}
if (isdigit(CurrentChar()))
{
// numbers
while (!IsEOF() && CharInString(CurrentChar(), "0123456789.abcdefABCDEFXxLl"))
MoveToNextChar();
}
else if (CurrentChar() == '"' ||
CurrentChar() == '\'')
{
// string, char, etc.
wxChar match = CurrentChar();
MoveToNextChar(); // skip starting ' or "
SkipToChar(match);
MoveToNextChar(); // skip ending ' or "
}
else
{
MoveToNextChar();
}
chunk = m_Text.Mid(start, m_CurIdx - start);
}
return;
}
bool TextCutter::SkipWhiteSpace()
{
if (IsEOF())
return false;
while (!IsEOF() && isspace(CurrentChar()))
MoveToNextChar();
return true;
}
bool TextCutter::MoveToNextChar()
{
if (IsEOF())
return false;
++m_CurIdx;
++m_CurColumn;
AdjustColumn();
return true;
}
void TextCutter::AdjustColumn()
{
if (CurrentChar() == '\n')
m_CurColumn = 0;
}
wxChar TextCutter::CurrentChar()
{
return m_Text.GetChar(m_CurIdx);
}
wxChar TextCutter::NextChar()
{
if (m_CurIdx+1 >= m_TextLen)
return '\0';
return m_Text.GetChar(m_CurIdx+1);
}
void TextCutter::SkipUnwanted()
{
if (IsEOF())
return;
while (CurrentChar() == '#' ||
CurrentChar() == '!' ||
((CurrentChar() == 'c' || CurrentChar() == 'C' || CurrentChar() == '*') && m_CurColumn == 1 && m_CurSourceForm == fsfFixed))
{
SkipToEOL();
SkipWhiteSpace();
if (IsEOF())
return;
}
}
void TextCutter::SkipToChar(const wxChar& ch)
{
// skip everything until we find ch
while (1)
{
while (!IsEOF() && CurrentChar() != ch && CurrentChar() != '\n')
MoveToNextChar();
break;
}
}
bool TextCutter::CharInString(const char ch, const char* chars)
{
int len = strlen(chars);
for (int i = 0; i < len; ++i)
{
if (ch == chars[i])
return true;
}
return false;
}
void TextCutter::SkipToEOL()
{
while (!IsEOF() && CurrentChar() != '\n')
MoveToNextChar();
}
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