First commit.

DictionarySearch.cpp

@@ -0,0 +1,250 @@
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+// PARTICULAR PURPOSE.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved
+
+#include "Private.h"
+#include "DictionarySearch.h"
+#include "SampleIMEBaseStructure.h"
+
+//+---------------------------------------------------------------------------
+//
+// ctor
+//
+//----------------------------------------------------------------------------
+
+CDictionarySearch::CDictionarySearch(LCID locale, _In_ CFile *pFile, _In_ CStringRange *pSearchKeyCode) : CDictionaryParser(locale)
+{
+    _pFile = pFile;
+    _pSearchKeyCode = pSearchKeyCode;
+    _charIndex = 0;
+}
+
+//+---------------------------------------------------------------------------
+//
+// dtor
+//
+//----------------------------------------------------------------------------
+
+CDictionarySearch::~CDictionarySearch()
+{
+}
+
+//+---------------------------------------------------------------------------
+//
+// FindPhrase
+//
+//----------------------------------------------------------------------------
+
+BOOL CDictionarySearch::FindPhrase(_Out_ CDictionaryResult **ppdret)
+{
+    return FindWorker(FALSE, ppdret, FALSE); // NO WILDCARD
+}
+
+//+---------------------------------------------------------------------------
+//
+// FindPhraseForWildcard
+//
+//----------------------------------------------------------------------------
+
+BOOL CDictionarySearch::FindPhraseForWildcard(_Out_ CDictionaryResult **ppdret)
+{
+    return FindWorker(FALSE, ppdret, TRUE); // Wildcard
+}
+
+//+---------------------------------------------------------------------------
+//
+// FindConvertedStringForWildcard
+//
+//----------------------------------------------------------------------------
+
+BOOL CDictionarySearch::FindConvertedStringForWildcard(CDictionaryResult **ppdret)
+{
+    return FindWorker(TRUE, ppdret, TRUE); // Wildcard
+}
+
+//+---------------------------------------------------------------------------
+//
+// FindWorker
+//
+//----------------------------------------------------------------------------
+
+BOOL CDictionarySearch::FindWorker(BOOL isTextSearch, _Out_ CDictionaryResult **ppdret, BOOL isWildcardSearch)
+{
+    DWORD_PTR dwTotalBufLen = GetBufferInWCharLength();        // in char
+    if (dwTotalBufLen == 0)
+    {
+        return FALSE;
+    }
+
+    const WCHAR *pwch = GetBufferInWChar();
+    DWORD_PTR indexTrace = 0;     // in char
+    *ppdret = nullptr;
+    BOOL isFound = FALSE;
+    DWORD_PTR bufLenOneLine = 0;
+
+TryAgain:
+    bufLenOneLine = GetOneLine(&pwch[indexTrace], dwTotalBufLen);
+    if (bufLenOneLine == 0)
+    {
+        goto FindNextLine;
+    }
+    else
+    {
+        CParserStringRange keyword;
+        DWORD_PTR bufLen = 0;
+        LPWSTR pText = nullptr;
+
+        if (!ParseLine(&pwch[indexTrace], bufLenOneLine, &keyword))
+        {
+            return FALSE;    // error
+        }
+
+        if (!isTextSearch)
+        {
+            // Compare Dictionary key code and input key code
+            if (!isWildcardSearch)
+            {
+                if (CStringRange::Compare(_locale, &keyword, _pSearchKeyCode) != CSTR_EQUAL)
+                {
+                    if (bufLen)
+                    {
+                        delete [] pText;
+                    }
+                    goto FindNextLine;
+                }
+            }
+            else
+            {
+                // Wildcard search
+                if (!CStringRange::WildcardCompare(_locale, _pSearchKeyCode, &keyword))
+                {
+                    if (bufLen)
+                    {
+                        delete [] pText;
+                    }
+                    goto FindNextLine;
+                }
+            }
+        }
+        else
+        {
+            // Compare Dictionary converted string and input string
+            CSampleImeArray<CParserStringRange> convertedStrings;
+            if (!ParseLine(&pwch[indexTrace], bufLenOneLine, &keyword, &convertedStrings))
+            {
+                if (bufLen)
+                {
+                    delete [] pText;
+                }
+                return FALSE;
+            }
+            if (convertedStrings.Count() == 1)
+            {
+                CStringRange* pTempString = convertedStrings.GetAt(0);
+
+                if (!isWildcardSearch)
+                {
+                    if (CStringRange::Compare(_locale, pTempString, _pSearchKeyCode) != CSTR_EQUAL)
+                    {
+                        if (bufLen)
+                        {
+                            delete [] pText;
+                        }
+                        goto FindNextLine;
+                    }
+                }
+                else
+                {
+                    // Wildcard search
+                    if (!CStringRange::WildcardCompare(_locale, _pSearchKeyCode, pTempString))
+                    {
+                        if (bufLen)
+                        {
+                            delete [] pText;
+                        }
+                        goto FindNextLine;
+                    }
+                }
+            }
+            else
+            {
+                if (bufLen)
+                {
+                    delete [] pText;
+                }
+                goto FindNextLine;
+            }
+        }
+
+        if (bufLen)
+        {
+            delete [] pText;
+        }
+
+        // Prepare return's CDictionaryResult
+        *ppdret = new (std::nothrow) CDictionaryResult();
+        if (!*ppdret)
+        {
+            return FALSE;
+        }
+
+        CSampleImeArray<CParserStringRange> valueStrings;
+        if (!ParseLine(&pwch[indexTrace], bufLenOneLine, &keyword, &valueStrings))
+        {
+            if (*ppdret)
+            {
+                delete *ppdret;
+                *ppdret = nullptr;
+            }
+            return FALSE;
+        }
+
+        (*ppdret)->_FindKeyCode = keyword;
+        (*ppdret)->_SearchKeyCode = *_pSearchKeyCode;
+
+        for (UINT i = 0; i < valueStrings.Count(); i++)
+        {
+            CStringRange* findPhrase = (*ppdret)->_FindPhraseList.Append();
+            if (findPhrase)
+            {
+                *findPhrase = *valueStrings.GetAt(i);
+            }
+        }
+
+        // Seek to next line
+        isFound = TRUE;
+    }
+
+FindNextLine:
+    dwTotalBufLen -= bufLenOneLine;
+    if (dwTotalBufLen == 0)
+    {
+        indexTrace += bufLenOneLine;
+        _charIndex += indexTrace;
+
+        if (!isFound && *ppdret)
+        {
+            delete *ppdret;
+            *ppdret = nullptr;
+        }
+        return (isFound ? TRUE : FALSE);        // End of file
+    }
+
+    indexTrace += bufLenOneLine;
+    if (pwch[indexTrace] == L'\r' || pwch[indexTrace] == L'\n' || pwch[indexTrace] == L'\0')
+    {
+        bufLenOneLine = 1;
+        goto FindNextLine;
+    }
+
+    if (isFound)
+    {
+        _charIndex += indexTrace;
+        return TRUE;
+    }
+
+    goto TryAgain;
+}