Initial community commit

Src/Plugins/Library/ml_history/HistoryAPI.cpp

@@ -0,0 +1,93 @@
+#include "HistoryAPI.h"
+#include "ml_history.h"
+
+static void saveQueryToList(nde_scanner_t s, historyRecordList *obj)
+{
+	emptyRecentRecordList(obj);
+
+	NDE_Scanner_First(s);
+
+	int r;
+	do
+	{
+		nde_field_t f = NDE_Scanner_GetFieldByID(s, HISTORYVIEW_COL_FILENAME);
+		if (f)
+		{
+			allocRecentRecordList(obj, obj->Size + 1);
+			if (!obj->Alloc) break;
+
+			wchar_t *strval =  NDE_StringField_GetString(f);
+			ndestring_retain(strval);
+			obj->Items[obj->Size].filename = strval;
+			recentScannerRefToObjCacheNFN(s, obj);
+		}
+
+		r = NDE_Scanner_Next(s);
+	}
+	while (r && !NDE_Scanner_EOF(s));
+
+	if (obj->Size && obj->Size < obj->Alloc - 1024)
+	{
+		size_t old_Alloc = obj->Alloc;
+		obj->Alloc = obj->Size;
+		historyRecord *data = (historyRecord*)realloc(obj->Items, sizeof(historyRecord) * obj->Alloc);
+		if (data)
+		{
+			obj->Items=data;
+		}
+		else
+		{
+			data=(historyRecord*)malloc(sizeof(historyRecord)*obj->Alloc);
+			if (data)
+			{
+				memcpy(data, obj->Items, sizeof(historyRecord)*old_Alloc);
+				free(obj->Items);
+				obj->Items=data;
+			}
+			else obj->Alloc = (int)old_Alloc;
+		}
+	}
+}
+
+historyRecordList *HistoryAPI::Query(const wchar_t *query)
+{
+	if (!openDb())
+		return 0;
+
+	// run query
+	EnterCriticalSection(&g_db_cs);
+	nde_scanner_t s=NDE_Table_CreateScanner(g_table);
+	NDE_Scanner_Query(s, query);
+
+	historyRecordList obj;
+
+	obj.Alloc = 0;
+	obj.Items = NULL;
+	obj.Size = 0;
+	saveQueryToList(s, &obj);
+	NDE_Table_DestroyScanner(g_table, s);
+	LeaveCriticalSection(&g_db_cs);
+	if (obj.Size)
+	{
+		historyRecordList *result = (historyRecordList *)malloc(sizeof(historyRecordList));
+		memcpy(result, &obj, sizeof(historyRecordList));
+		return result;
+	}
+	else
+	{
+		freeRecentRecordList(&obj);
+		return 0;
+	}
+}
+
+void HistoryAPI::FreeHistoryList(historyRecordList *historyList)
+{
+	freeRecentRecordList(historyList);
+}
+
+#define CBCLASS HistoryAPI
+START_DISPATCH;
+CB(API_HISTORY_QUERY, Query)
+VCB(API_HISTORY_FREEHISTORYLIST, FreeHistoryList)
+END_DISPATCH;
+#undef CBCLASS