AjaxParserDlg.cpp
上传用户:kalinte
上传日期:2013-04-07
资源大小:127k
文件大小:9k
- // AjaxParserDlg.cpp : implementation file
- //
- #include "stdafx.h"
- #include "AjaxParser.h"
- #include "AjaxParserDlg.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // CAboutDlg dialog used for App About
- // this is comment
- class CAboutDlg : public CDialog
- {
- public:
- CAboutDlg();
- // Dialog Data
- //{{AFX_DATA(CAboutDlg)
- enum { IDD = IDD_ABOUTBOX };
- //}}AFX_DATA
- // ClassWizard generated virtual function overrides
- //{{AFX_VIRTUAL(CAboutDlg)
- protected:
- virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
- //}}AFX_VIRTUAL
- // Implementation
- protected:
- //{{AFX_MSG(CAboutDlg)
- //}}AFX_MSG
- DECLARE_MESSAGE_MAP()
- };
- CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
- {
- //{{AFX_DATA_INIT(CAboutDlg)
- //}}AFX_DATA_INIT
- }
- void CAboutDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CAboutDlg)
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
- //{{AFX_MSG_MAP(CAboutDlg)
- // No message handlers
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CAjaxParserDlg dialog
- CAjaxParserDlg::CAjaxParserDlg(CWnd* pParent /*=NULL*/)
- : CDialog(CAjaxParserDlg::IDD, pParent)
- {
- //{{AFX_DATA_INIT(CAjaxParserDlg)
- // NOTE: the ClassWizard will add member initialization here
- //}}AFX_DATA_INIT
- // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
- m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
- double a = 1.21e1;
- }
- void CAjaxParserDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CAjaxParserDlg)
- DDX_Control(pDX, IDC_EDIT1, m_edit);
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CAjaxParserDlg, CDialog)
- //{{AFX_MSG_MAP(CAjaxParserDlg)
- ON_WM_SYSCOMMAND()
- ON_WM_PAINT()
- ON_WM_QUERYDRAGICON()
- ON_BN_CLICKED(IDC_PARSE, OnParse)
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CAjaxParserDlg message handlers
- BOOL CAjaxParserDlg::OnInitDialog()
- {
- CDialog::OnInitDialog();
- // Add "About..." menu item to system menu.
- // IDM_ABOUTBOX must be in the system command range.
- ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
- ASSERT(IDM_ABOUTBOX < 0xF000);
- CMenu* pSysMenu = GetSystemMenu(FALSE);
- if (pSysMenu != NULL)
- {
- CString strAboutMenu;
- strAboutMenu.LoadString(IDS_ABOUTBOX);
- if (!strAboutMenu.IsEmpty())
- {
- pSysMenu->AppendMenu(MF_SEPARATOR);
- pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
- }
- }
- // Set the icon for this dialog. The framework does this automatically
- // when the application's main window is not a dialog
- SetIcon(m_hIcon, TRUE); // Set big icon
- SetIcon(m_hIcon, FALSE); // Set small icon
-
- // TODO: Add extra initialization here
- CStateChangeRule rule;
- rule.nCurState = 0;
- rule.nNextState = 1;
- rule.route[0].byStart = '_';
- rule.route[0].byEnd = '_';
- rule.route[1].byStart = 'A';
- rule.route[1].byEnd = 'Z';
- rule.route[2].byStart = 'a';
- rule.route[2].byEnd = 'z';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 0;
- rule.nNextState = 0;
- rule.route[0].byStart = 'r';
- rule.route[0].byEnd = 'r';
- rule.route[1].byStart = 'n';
- rule.route[1].byEnd = 'n';
- rule.route[2].byStart = ' ';
- rule.route[2].byEnd = ' ';
- rule.route[3].byStart = 't';
- rule.route[3].byEnd = 't';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 1;
- rule.nNextState = 1;
- rule.route[0].byStart = '_';
- rule.route[0].byEnd = '_';
- rule.route[1].byStart = 'A';
- rule.route[1].byEnd = 'Z';
- rule.route[2].byStart = 'a';
- rule.route[2].byEnd = 'z';
- rule.route[3].byStart = '0';
- rule.route[3].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 0;
- rule.nNextState = 2;
- rule.route[0].byStart = '+';
- rule.route[0].byEnd = '+';
- rule.route[1].byStart = '-';
- rule.route[1].byEnd = '-';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 0;
- rule.nNextState = 3;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 2;
- rule.nNextState = 3;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 2;
- rule.nNextState = 6;
- rule.route[0].byStart = '.';
- rule.route[0].byEnd = '.';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 0;
- rule.nNextState = 6;
- rule.route[0].byStart = '.';
- rule.route[0].byEnd = '.';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 3;
- rule.nNextState = 3;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 3;
- rule.nNextState = 4;
- rule.route[0].byStart = '.';
- rule.route[0].byEnd = '.';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 4;
- rule.nNextState = 5;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 6;
- rule.nNextState = 7;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 7;
- rule.nNextState = 7;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- rule.nCurState = 5;
- rule.nNextState = 5;
- rule.route[0].byStart = '0';
- rule.route[0].byEnd = '9';
- m_ruleArr.Add(rule);
- rule.Clear();
- DFA_STATE state;
- // 0
- state.nFlag = STATE_START;
- m_stateArr.Add(state);
- // 1
- state.nFlag = STATE_END;
- m_stateArr.Add(state);
- // 2
- state.nFlag = 0;
- m_stateArr.Add(state);
- // 3
- state.nFlag = STATE_END;
- m_stateArr.Add(state);
- // 4
- state.nFlag = STATE_END;
- m_stateArr.Add(state);
- // 5
- state.nFlag = STATE_END;
- m_stateArr.Add(state);
- // 6
- state.nFlag = 0;
- m_stateArr.Add(state);
- // 7
- state.nFlag = STATE_END;
- m_stateArr.Add(state);
- return TRUE; // return TRUE unless you set the focus to a control
- }
- void CAjaxParserDlg::OnSysCommand(UINT nID, LPARAM lParam)
- {
- if ((nID & 0xFFF0) == IDM_ABOUTBOX)
- {
- CAboutDlg dlgAbout;
- dlgAbout.DoModal();
- }
- else
- {
- CDialog::OnSysCommand(nID, lParam);
- }
- }
- // If you add a minimize button to your dialog, you will need the code below
- // to draw the icon. For MFC applications using the document/view model,
- // this is automatically done for you by the framework.
- void CAjaxParserDlg::OnPaint()
- {
- if (IsIconic())
- {
- CPaintDC dc(this); // device context for painting
- SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
- // Center icon in client rectangle
- int cxIcon = GetSystemMetrics(SM_CXICON);
- int cyIcon = GetSystemMetrics(SM_CYICON);
- CRect rect;
- GetClientRect(&rect);
- int x = (rect.Width() - cxIcon + 1) / 2;
- int y = (rect.Height() - cyIcon + 1) / 2;
- // Draw the icon
- dc.DrawIcon(x, y, m_hIcon);
- }
- else
- {
- CDialog::OnPaint();
- }
- }
- // The system calls this to obtain the cursor to display while the user drags
- // the minimized window.
- HCURSOR CAjaxParserDlg::OnQueryDragIcon()
- {
- return (HCURSOR) m_hIcon;
- }
- int InRoute(BYTE c, CHAR_RANGE *pRange)
- {
- int i=0;
- while(i<ROUTE_BUF_LEN && pRange->byEnd!=0xff)
- {
- if(pRange[i].byEnd>=c && pRange[i].byStart<=c)
- {
- return 1;
- }
- i++;
- }
- return 0;
- }
- int CAjaxParserDlg::Route(int nCurState, BYTE c)
- {
- int i, nSize;
- nSize = m_ruleArr.GetSize();
- CStateChangeRule rule;
- for(i=0; i<nSize; i++)
- {
- rule = m_ruleArr[i];
- if(rule.nCurState==nCurState
- && InRoute(c, rule.route))
- {
- return rule.nNextState;
- }
- }
- if(nCurState==0)
- {
- Logln("start state, cannot recognize char");
- }
- // return to state 0 the start state
- return 0;
- }
- void CAjaxParserDlg::Accept(int nCurrent, int nNext, LPCTSTR pszLine, int nLen)
- {
- char psz[256];
- if(nNext==0 && nCurrent!=0)
- {
- sprintf(psz, "Accept word(s:%d)[", nCurrent);
- Log(psz);
- strncpy(psz, pszLine, nLen);
- psz[nLen] = 0;
- Log(psz);
- if(!(m_stateArr[nCurrent].nFlag&STATE_END))
- {
- Logln("]unrecogized char, can't accept");
- }
- else
- {
- Logln("]");
- }
- }
- }
- void CAjaxParserDlg::OnParse()
- {
- char *pszLine = " void CAjaxParserDlg::OnParse() +12.3 12.3 -12.3 -.12 +.12 .12 +12. -12. 12. .023 . +. -. + -";
- int i=0, nLen, nState=0, nNext=-1, nStart;
- nLen = strlen(pszLine);
- while(i<nLen)
- {
- if(nState==0)
- {
- nStart = i;
- }
- nNext = Route(nState, *(pszLine+i));
- Accept(nState, nNext, pszLine+nStart, i-nStart);
- if(!(nState!=0 && nNext==0))
- i++;
- nState = nNext;
- }
- Accept(nState, 0, pszLine+nStart, i-nStart);
- }
- void CAjaxParserDlg::Logln(LPCTSTR psz)
- {
- m_edit.SetSel(-1,-1);
- m_edit.ReplaceSel(psz);
- m_edit.ReplaceSel("rn");
- }
- void CAjaxParserDlg::Log(LPCTSTR psz)
- {
- m_edit.SetSel(-1,-1);
- m_edit.ReplaceSel(psz);
- }