Markup.h

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#ifndef QUALISYS_NBC_NBC_MARKUP_H_INCLUDED
#define QUALISYS_NBC_NBC_MARKUP_H_INCLUDED
 
// Markup.h: interface for the NBC_CMarkup class.
//
// NBC_CMarkup Release 6.5 Lite
// Copyright (C) 1999-2003 First Objective Software, Inc. All rights reserved
// This entire notice must be retained in this source code
// Redistributing this source code requires written permission
// This software is provided "as is", with no warranty.
// Latest fixes enhancements and documentation at www.firstobject.com
 
#include <string>
#include <vector>
 
#ifdef _DEBUG
#define _DS(i) (i ? &((const char*)m_csDoc.c_str())[m_aPos[i].nStartL] : 0)
#define MARKUP_SETDEBUGSTATE \
  m_pMainDS = _DS(m_iPos);   \
  m_pChildDS = _DS(m_iPosChild)
#else
#define MARKUP_SETDEBUGSTATE
#endif
 
class CMarkup {
 public:
  CMarkup() {
    SetDoc(NULL);
    mnIndent = 4;
  };
  CMarkup(const char* szDoc) { SetDoc(szDoc); };
  CMarkup(const CMarkup& markup) { *this = markup; };
  void operator=(const CMarkup& markup);
  virtual ~CMarkup(){};
 
  // Settings
  void SetIndent(int nIndent = 4);
 
  // Create
  std::string GetDoc() const { return m_csDoc; };
  bool AddElem(const char* szName, const char* szData = NULL) {
    return x_AddElem(szName, szData, false, false);
  };
  bool AddChildElem(const char* szName, const char* szData = NULL) {
    return x_AddElem(szName, szData, false, true);
  };
  bool AddAttrib(const char* szAttrib, const char* szValue) {
    return x_SetAttrib(m_iPos, szAttrib, szValue);
  };
  bool AddChildAttrib(const char* szAttrib, const char* szValue) {
    return x_SetAttrib(m_iPosChild, szAttrib, szValue);
  };
  bool SetAttrib(const char* szAttrib, const char* szValue) {
    return x_SetAttrib(m_iPos, szAttrib, szValue);
  };
  bool SetChildAttrib(const char* szAttrib, const char* szValue) {
    return x_SetAttrib(m_iPosChild, szAttrib, szValue);
  };
 
  // Navigate
  bool SetDoc(const char* szDoc);
  bool IsWellFormed();
  bool FindElem(const char* szName = NULL);
  bool FindChildElem(const char* szName = NULL);
  bool IntoElem();
  bool OutOfElem();
  void ResetChildPos() { x_SetPos(m_iPosParent, m_iPos, 0); };
  void ResetMainPos() { x_SetPos(m_iPosParent, 0, 0); };
  void ResetPos() { x_SetPos(0, 0, 0); };
  std::string GetTagName() const;
  std::string GetChildTagName() const { return x_GetTagName(m_iPosChild); };
  std::string GetData() const { return x_GetData(m_iPos); };
  std::string GetChildData() const { return x_GetData(m_iPosChild); };
  std::string GetAttrib(const char* szAttrib) const {
    return x_GetAttrib(m_iPos, szAttrib);
  };
  std::string GetChildAttrib(const char* szAttrib) const {
    return x_GetAttrib(m_iPosChild, szAttrib);
  };
  std::string GetError() const { return m_csError; };
 
  static std::string Format(const char* fmt, ...);
 
  enum MarkupNodeType {
    MNT_ELEMENT = 1,                  // 0x01
    MNT_TEXT = 2,                     // 0x02
    MNT_WHITESPACE = 4,               // 0x04
    MNT_CDATA_SECTION = 8,            // 0x08
    MNT_PROCESSING_INSTRUCTION = 16,  // 0x10
    MNT_COMMENT = 32,                 // 0x20
    MNT_DOCUMENT_TYPE = 64,           // 0x40
    MNT_EXCLUDE_WHITESPACE = 123,     // 0x7b
  };
 
 protected:
#ifdef _DEBUG
  const char* m_pMainDS;
  const char* m_pChildDS;
#endif
 
  std::string m_csDoc;
  std::string m_csError;
 
  struct ElemPos {
    ElemPos() { Clear(); };
    ElemPos(const ElemPos& pos) { *this = pos; };
    bool IsEmptyElement() const { return (nStartR == nEndL + 1); };
    void Clear() {
      nStartL = 0;
      nStartR = 0;
      nEndL = 0;
      nEndR = 0;
      nReserved = 0;
      iElemParent = 0;
      iElemChild = 0;
      iElemNext = 0;
    };
    void AdjustStart(int n) {
      nStartL += n;
      nStartR += n;
    };
    void AdjustEnd(int n) {
      nEndL += n;
      nEndR += n;
    };
    int nStartL;
    int nStartR;
    int nEndL;
    int nEndR;
    int nReserved;
    int iElemParent;
    int iElemChild;
    int iElemNext;
  };
 
  std::vector<ElemPos> m_aPos;
  int m_iPosParent;
  int m_iPos;
  int m_iPosChild;
  int m_iPosFree;
  int m_nNodeType;
 
  struct TokenPos {
    TokenPos(const char* sz) {
      Clear();
      szDoc = sz;
    };
    bool IsValid() const { return (nL <= nR); };
    void Clear() {
      nL = 0;
      nR = -1;
      nNext = 0;
      bIsString = false;
    };
    bool Match(const char* szName) const;
    int nL;
    int nR;
    int nNext;
    const char* szDoc;
    bool bIsString;
  };
 
  void x_SetPos(int iPosParent, int iPos, int iPosChild) {
    m_iPosParent = iPosParent;
    m_iPos = iPos;
    m_iPosChild = iPosChild;
    m_nNodeType = iPos ? MNT_ELEMENT : 0;
    MARKUP_SETDEBUGSTATE;
  };
 
  int x_GetFreePos();
  int x_ReleasePos();
  int x_ParseElem(int iPos);
  int x_ParseError(const char* szError, const char* szName = NULL);
  static bool x_FindChar(const char* szDoc, int& nChar, char c);
  static bool x_FindAny(const char* szDoc, int& nChar);
  static bool x_FindToken(TokenPos& token);
  std::string x_GetToken(const TokenPos& token) const;
  int x_FindElem(int iPosParent, int iPos, const char* szPath);
  std::string x_GetTagName(int iPos) const;
  std::string x_GetData(int iPos) const;
  std::string x_GetAttrib(int iPos, const char* szAttrib) const;
  bool x_AddElem(const char* szName, const char* szValue, bool bInsert,
                 bool bAddChild);
  bool x_FindAttrib(TokenPos& token, const char* szAttrib = NULL) const;
  bool x_SetAttrib(int iPos, const char* szAttrib, const char* szValue);
  void x_LocateNew(int iPosParent, int& iPosRel, int& nOffset, int nLength,
                   int nFlags);
  int x_ParseNode(TokenPos& token);
  void x_DocChange(int nLeft, int nReplace, const std::string& csInsert);
  void x_Adjust(int iPos, int nShift, bool bAfterPos = false);
  std::string x_TextToDoc(const char* szText, bool bAttrib = false) const;
  std::string x_TextFromDoc(int nLeft, int nRight) const;
 
 protected:
  char mtIndent[1000];
  int mnIndent;
 
 private:
  std::string Mid(const std::string& tStr, int nFirst) const;
  std::string Mid(const std::string& tStr, int nFirst, int nCount) const;
  char* GetBuffer(std::string& tStr, int nMinLen = -1) const;
  void ReleaseBuffer(std::string& tStr, int nNewLen = -1) const;
};
 
#endif /* QUALISYS_NBC_NBC_MARKUP_H_INCLUDED */