diff options
Diffstat (limited to '')
| -rw-r--r-- | private/nw/convert/logview/fvfind.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/private/nw/convert/logview/fvfind.c b/private/nw/convert/logview/fvfind.c new file mode 100644 index 000000000..459469477 --- /dev/null +++ b/private/nw/convert/logview/fvfind.c @@ -0,0 +1,193 @@ +/* + +-------------------------------------------------------------------------+ + | MDI Text File Viewer - Text Search Routines | + +-------------------------------------------------------------------------+ + | (c) Copyright 1994 | + | Microsoft Corp. | + | All rights reserved | + | | + | Program : [FVFind.c] | + | Programmer : Arthur Hanson | + | Original Program Date : [Jul 27, 1993 | + | Last Update : [Jul 30, 1993] Time : 18:30 | + | | + | Version: 0.10 | + | | + | Description: | + | | + | History: | + | arth Jul 27, 1993 0.10 Original Version. | + | | + +-------------------------------------------------------------------------+ +*/ + +#include "LogView.h" +#include <string.h> +#include <stdlib.h> + +#undef HIWORD +#undef LOWORD + +#define HIWORD(l) (((WORD*)&(l))[1]) +#define LOWORD(l) (((WORD*)&(l))[0]) + +BOOL fCase = FALSE; // Turn case sensitivity off +CHAR szSearch[160] = ""; // Initialize search string + + +extern HWND hDlgFind; /* handle to modeless FindText window */ + +LPTSTR ReverseScan( + LPTSTR lpSource, + LPTSTR lpLast, + LPTSTR lpSearch, + BOOL fCaseSensitive ) { + int iLen = lstrlen(lpSearch); + + if (!lpLast) + lpLast = lpSource + lstrlen(lpSource); + + do { + if (lpLast == lpSource) + return NULL; + + --lpLast; + + if (fCaseSensitive) { + if (*lpLast != *lpSearch) + continue; + } else { + if (CharUpper ((LPTSTR)MAKELONG((WORD)*lpLast, 0)) != CharUpper ((LPTSTR)MAKELONG((WORD)*lpSearch, 0))) + continue; + } + + if (fCaseSensitive) { + if (!strncmp( lpLast, lpSearch, iLen)) + break; + } else { + if (!_strnicmp (lpLast, lpSearch, iLen)) + break; + } + } while (TRUE); + + return lpLast; +} // ReverseScan + + +LPTSTR ForwardScan(LPTSTR lpSource, LPTSTR lpSearch, BOOL fCaseSensitive ) { + int iLen = lstrlen(lpSearch); + + while (*lpSource) { + if (fCaseSensitive) { + if (*lpSource != *lpSearch) { + lpSource++; + continue; + } + } else { + if (CharUpper ((LPTSTR)MAKELONG((WORD)*lpSource, 0)) != CharUpper ((LPTSTR)MAKELONG((WORD)*lpSearch, 0))) { + lpSource++; + continue; + } + } + + if (fCaseSensitive) { + if (!strncmp( lpSource, lpSearch, iLen)) + break; + } else { + if (!_strnicmp( lpSource, lpSearch, iLen)) + break; + } + + lpSource++; + } + + return *lpSource ? lpSource : NULL; +} // ForwardScan + + +// search forward or backward in the edit control text for the given pattern +void FAR Search (TCHAR * szKey) { + HANDLE hText; + TCHAR * pStart, *pMatch; + DWORD StartIndex, LineNum, EndIndex; + DWORD SelStart, SelEnd, i; + DWORD dwSel; + INT cbText; + + if (!*szKey) + return; + + SetCursor(hWaitCursor); + dwSel= SendMessage(hwndActiveEdit, EM_GETSEL, (WPARAM)&SelStart, (LPARAM)&SelEnd); + + /* + * Allocate hText and read edit control text into it. + * Lock hText and fall through to existing code. + */ + + cbText= SendMessage(hwndActiveEdit, WM_GETTEXTLENGTH, 0, 0L) + 1; + hText= LocalAlloc( LPTR, cbText ); + if( !hText ) // quiet exit if not enough memory + return; + if( !(pStart= LocalLock(hText)) ) { + LocalFree(hText); + return; + } + + SendMessage(hwndActiveEdit, WM_GETTEXT, cbText, (LPARAM)pStart); + + if (fReverse) { + // Get current line number + LineNum= SendMessage(hwndActiveEdit, EM_LINEFROMCHAR, SelStart, 0); + // Get index to start of the line + StartIndex= SendMessage(hwndActiveEdit, EM_LINEINDEX, LineNum, 0); + // Set upper limit for search text + EndIndex= SelStart; + pMatch= NULL; + + // Search line by line, from LineNum to 0 + i = LineNum; + while (TRUE) { + pMatch= ReverseScan(pStart+StartIndex,pStart+EndIndex,szKey,fCase); + if (pMatch) + break; + // current StartIndex is the upper limit for the next search + EndIndex= StartIndex; + + if (i) { + // Get start of the next line + i-- ; + StartIndex= SendMessage(hwndActiveEdit, EM_LINEINDEX, i, 0); + } else + break ; + } + } else { + pMatch= ForwardScan(pStart + SelEnd, szKey, fCase); + } + LocalUnlock(hText); + LocalFree( hText ); + SetCursor(hStdCursor); + + if (pMatch == NULL) { + TCHAR Message[256], AppName[256] ; + + if (!LoadString(hInst, IDS_CANTFINDSTR, Message, + sizeof(Message)/sizeof(Message[0]))) { + Message[0] = 0 ; + } + + if (!LoadString(hInst, IDS_APPNAME, AppName, + sizeof(AppName)/sizeof(AppName[0]))) { + AppName[0] = 0 ; + } + + MessageBox(hwndFrame, Message, AppName, + MB_APPLMODAL | MB_OK | MB_ICONASTERISK); + } else { + SelStart = pMatch - pStart; + SendMessage(hwndActiveEdit, EM_SETSEL, SelStart, SelStart+lstrlen(szKey)); + SendMessage(hwndActiveEdit, EM_SCROLLCARET, 0, 0); + } + +} // Search + |