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by damienlmoore at gmail
Code::Blocks 16.01 |
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#include "textcutter.h" |
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TextCutter::TextCutter(const wxString& allText, FortranSourceForm fsForm) |
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{
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m_Text = allText; |
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m_TextLen = m_Text.length(); |
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m_CurSourceForm = fsForm; |
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m_CurIdx = 0; |
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m_CurColumn = 1; |
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}
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TextCutter::~TextCutter() |
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{
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};
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void TextCutter::GetChunk(wxString& chunk, bool& isWord) |
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{
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isWord = false; |
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chunk = wxEmptyString; |
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if (IsEOF()) |
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return; |
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unsigned int start = m_CurIdx; |
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if (isalpha(CurrentChar()) || CurrentChar() == '_') |
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{
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while (!IsEOF() && |
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(isalnum(CurrentChar()) || CurrentChar() == '_')) |
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MoveToNextChar(); |
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chunk = m_Text.Mid(start, m_CurIdx - start); |
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isWord = true; |
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}
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else
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{
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SkipWhiteSpace(); |
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SkipUnwanted(); |
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if (start != m_CurIdx) |
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{
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chunk = m_Text.Mid(start, m_CurIdx - start); |
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return; |
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}
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if (isdigit(CurrentChar())) |
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{
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// numbers
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while (!IsEOF() && CharInString(CurrentChar(), "0123456789.abcdefABCDEFXxLl")) |
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MoveToNextChar(); |
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}
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else if (CurrentChar() == '"' || |
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CurrentChar() == '\'') |
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{
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// string, char, etc.
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wxChar match = CurrentChar(); |
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MoveToNextChar(); // skip starting ' or " |
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SkipToChar(match); |
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MoveToNextChar(); // skip ending ' or " |
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}
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else
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{
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MoveToNextChar(); |
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}
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chunk = m_Text.Mid(start, m_CurIdx - start); |
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}
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return; |
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}
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bool TextCutter::SkipWhiteSpace() |
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{
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if (IsEOF()) |
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return false; |
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while (!IsEOF() && isspace(CurrentChar())) |
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MoveToNextChar(); |
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return true; |
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}
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bool TextCutter::MoveToNextChar() |
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{
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if (IsEOF()) |
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return false; |
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++m_CurIdx; |
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++m_CurColumn; |
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AdjustColumn(); |
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return true; |
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}
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void TextCutter::AdjustColumn() |
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{
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if (CurrentChar() == '\n') |
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m_CurColumn = 0; |
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}
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wxChar TextCutter::CurrentChar() |
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{
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return m_Text.GetChar(m_CurIdx); |
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}
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wxChar TextCutter::NextChar() |
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{
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if (m_CurIdx+1 >= m_TextLen) |
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return '\0'; |
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return m_Text.GetChar(m_CurIdx+1); |
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}
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void TextCutter::SkipUnwanted() |
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{
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if (IsEOF()) |
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return; |
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while (CurrentChar() == '#' || |
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CurrentChar() == '!' || |
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((CurrentChar() == 'c' || CurrentChar() == 'C' || CurrentChar() == '*') && m_CurColumn == 1 && m_CurSourceForm == fsfFixed)) |
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{
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SkipToEOL(); |
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SkipWhiteSpace(); |
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if (IsEOF()) |
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return; |
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}
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}
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void TextCutter::SkipToChar(const wxChar& ch) |
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{
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// skip everything until we find ch
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while (1) |
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{
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while (!IsEOF() && CurrentChar() != ch && CurrentChar() != '\n') |
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MoveToNextChar(); |
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break; |
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}
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}
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bool TextCutter::CharInString(const char ch, const char* chars) |
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{
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int len = strlen(chars); |
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for (int i = 0; i < len; ++i) |
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{
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if (ch == chars[i]) |
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return true; |
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}
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return false; |
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}
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void TextCutter::SkipToEOL() |
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{
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while (!IsEOF() && CurrentChar() != '\n') |
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MoveToNextChar(); |
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}
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