94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
#include "HistoryAPI.h"
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#include "ml_history.h"
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static void saveQueryToList(nde_scanner_t s, historyRecordList *obj)
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{
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emptyRecentRecordList(obj);
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NDE_Scanner_First(s);
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int r;
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do
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{
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nde_field_t f = NDE_Scanner_GetFieldByID(s, HISTORYVIEW_COL_FILENAME);
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if (f)
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{
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allocRecentRecordList(obj, obj->Size + 1);
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if (!obj->Alloc) break;
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wchar_t *strval = NDE_StringField_GetString(f);
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ndestring_retain(strval);
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obj->Items[obj->Size].filename = strval;
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recentScannerRefToObjCacheNFN(s, obj);
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}
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r = NDE_Scanner_Next(s);
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}
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while (r && !NDE_Scanner_EOF(s));
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if (obj->Size && obj->Size < obj->Alloc - 1024)
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{
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size_t old_Alloc = obj->Alloc;
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obj->Alloc = obj->Size;
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historyRecord *data = (historyRecord*)realloc(obj->Items, sizeof(historyRecord) * obj->Alloc);
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if (data)
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{
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obj->Items=data;
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}
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else
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{
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data=(historyRecord*)malloc(sizeof(historyRecord)*obj->Alloc);
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if (data)
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{
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memcpy(data, obj->Items, sizeof(historyRecord)*old_Alloc);
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free(obj->Items);
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obj->Items=data;
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}
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else obj->Alloc = (int)old_Alloc;
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}
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}
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}
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historyRecordList *HistoryAPI::Query(const wchar_t *query)
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{
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if (!openDb())
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return 0;
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// run query
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EnterCriticalSection(&g_db_cs);
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nde_scanner_t s=NDE_Table_CreateScanner(g_table);
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NDE_Scanner_Query(s, query);
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historyRecordList obj;
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obj.Alloc = 0;
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obj.Items = NULL;
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obj.Size = 0;
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saveQueryToList(s, &obj);
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NDE_Table_DestroyScanner(g_table, s);
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LeaveCriticalSection(&g_db_cs);
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if (obj.Size)
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{
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historyRecordList *result = (historyRecordList *)malloc(sizeof(historyRecordList));
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memcpy(result, &obj, sizeof(historyRecordList));
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return result;
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}
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else
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{
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freeRecentRecordList(&obj);
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return 0;
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}
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}
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void HistoryAPI::FreeHistoryList(historyRecordList *historyList)
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{
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freeRecentRecordList(historyList);
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}
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#define CBCLASS HistoryAPI
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START_DISPATCH;
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CB(API_HISTORY_QUERY, Query)
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VCB(API_HISTORY_FREEHISTORYLIST, FreeHistoryList)
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END_DISPATCH;
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#undef CBCLASS
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