Initial community commit

Src/nde/osx/Scanner.h

@@ -0,0 +1,210 @@
+/* ---------------------------------------------------------------------------
+ Nullsoft Database Engine
+ --------------------
+ codename: Near Death Experience
+ --------------------------------------------------------------------------- */
+
+/* ---------------------------------------------------------------------------
+ 
+ Scanner Class Prototypes
+ 
+ --------------------------------------------------------------------------- */
+
+#ifndef __SCANNER_H
+#define __SCANNER_H
+
+#include "record.h"
+#include "Table.h"
+#include "index.h"
+#include "../nu/Vector.h"
+#include "../nu/ValueSet.h"
+#ifdef __APPLE__
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+class Table;
+class Index;
+#pragma warning( disable: 4251 )
+class Scanner;
+class Record;
+class Scanner : public LinkedListEntry 
+{
+public:
+	Record *GetRecord(int Idx);
+	Scanner(Table *parentTable);
+	void IndexModified(void);
+	Index *GetIndex() { return index; }
+	Index *index; // TODO: make protected
+
+protected:
+	~Scanner();
+
+	Table *pTable;
+	BOOL iModified;
+	typedef Vector<StringField *> SearchStrings;
+	SearchStrings search_strings;
+	typedef ValueSet<unsigned char> SearchFields;
+	SearchFields search_fields;
+	bool search_any;
+
+	void GetCurrentRecord(void);
+	bool MatchFilters(void);
+	bool MatchSearches();
+	bool MatchSearch(const SearchFields &fields, StringField *search_field);
+	//BOOL MatchJoins(void);
+	int CheckFilters(void);
+	void CacheLastLocate(int Id, int From, Field *field, Index *i, int j);
+
+#ifdef _WIN32
+	static int Query_LookupToken(const wchar_t *token);
+#else
+	static int Query_LookupToken(CFStringRef token);
+#endif
+	void Query_CleanUp(void);
+	void Query_SyntaxError(int c);
+public:
+#ifdef _WIN32
+	static int Query_GetNextToken(const wchar_t *p, int *size, wchar_t **token, int tokentable=0);
+	static const wchar_t *Query_EatSpace(const wchar_t *p);
+	static wchar_t *Query_ProbeSpace(wchar_t *p);
+	static const wchar_t *Query_ProbeNonAlphaNum(const wchar_t *p);
+	static wchar_t *Query_ProbeAlphaNum(wchar_t *p);
+	static int Query_isControlChar(wchar_t p);
+
+	BOOL Query(const wchar_t *query);
+	BOOL Query_Parse(const wchar_t *query);
+#else
+	static int Query_GetNextToken(const char *p, size_t *size, CFStringRef *token, int tokentable=0);
+	static const char *Query_EatSpace(const char *p);
+	static char *Query_ProbeSpace(char *p);
+	static const char *Query_ProbeNonAlphaNum(const char *p);
+	static char *Query_ProbeAlphaNum(char *p);
+	static int Query_isControlChar(char p);
+
+	BOOL Query(const char *query);
+	BOOL Query_Parse(const char *query);
+#endif
+
+#ifdef _WIN32
+	const wchar_t *GetLastQuery();
+#elif defined(__APPLE__)
+	CFStringRef GetLastQuery();
+#endif
+
+public://fucko: protected
+	//String token;
+	LinkedList pstack;
+#ifdef _WIN32
+	wchar_t *token;
+#else
+	CFStringRef token;
+#endif
+	
+#ifdef _WIN32
+	wchar_t *last_query;
+#elif defined(__APPLE__)
+	CFStringRef last_query;
+#endif
+	int last_query_failed;
+
+protected:
+	Record *CurrentRecord;
+	int CurrentRecordIdx;
+	LinkedList FilterList;
+	Index *lastLocateIndex;
+	int lastLocateIdx;
+	Field *lastLocateFieldClone;
+	int lastLocateFrom;
+	int lastLocateId;
+	BOOL Edition;
+	int ResultPtr;
+	BOOL FiltersOK;
+
+public:
+	bool MatchFilter(Filter *filter);
+	typedef bool (*FilterWalker)(Scanner *scanner, Filter *filter, void *context);
+	void WalkFilters(FilterWalker walker, void *context);
+
+#ifdef _WIN32	
+	ColumnField *GetColumnByName(const wchar_t *FieldName);
+#else
+	ColumnField *GetColumnByName(CFStringRef FieldName);
+#endif
+	ColumnField *GetColumnById(unsigned char id);
+
+#ifdef _WIN32
+	Field *NewFieldByName(const wchar_t *fieldName, unsigned char Perm);
+#else
+	Field *NewFieldByName(CFStringRef fieldName, unsigned char Perm);
+#endif
+	Field *NewFieldById(unsigned char Id, unsigned char Perm);
+	void DeleteField(Field *field);
+#ifdef _WIN32
+	void DeleteFieldByName(const wchar_t *name); 
+#else
+	void DeleteFieldByName(CFStringRef name); 
+#endif
+	void DeleteFieldById(unsigned char Id);
+
+	void Cancel(void);
+	void Insert(void);
+	void Edit(void);
+	void Post(void);
+	void Delete(void); 
+
+#ifdef _WIN32
+	Field *GetFieldByName(const wchar_t *FieldName);
+#else
+	Field *GetFieldByName(CFStringRef FieldName);
+#endif
+	Field *GetFieldById(unsigned char Id);
+
+	void First(int *killswitch=0);
+	void Last(int *killswitch=0);
+	int Next(int *killswitch=0);
+	int Previous(int *killswitch=0);
+	BOOL Eof(void);
+	BOOL Bof(void);
+	void New(void);
+	int GetRecordsCount(void);
+	void GetRecordById(int Id, BOOL checkFilters=TRUE);
+	int GetRecordId(void);
+	void Sync(void);
+#ifdef _WIN32
+	BOOL LocateByName(const wchar_t *column, int From, Field *field, int *nskip=NULL);
+#else
+	BOOL LocateByName(CFStringRef column, int From, Field *field, int *nskip=NULL);
+#endif
+	BOOL LocateById(int Id, int From, Field *field, int *nskip=NULL);
+	BOOL LocateByIdEx(int Id, int From, Field *field, int *nskip, int comp_mode);
+
+	// Filters
+#ifdef _WIN32
+	int AddFilterByName(const wchar_t *name, Field *Data, unsigned char Op);
+#else
+	int AddFilterByName(CFStringRef name, Field *Data, unsigned char Op);
+#endif
+	int AddFilterById(unsigned char Id, Field *Data, unsigned char Op);
+	int AddFilterOp(unsigned char Op);
+	void RemoveFilters(void);
+	Filter *GetLastFilter(void);
+
+#ifdef _WIN32
+	BOOL SetWorkingIndexByName(const wchar_t *desc);
+#else
+	BOOL SetWorkingIndexByName(CFStringRef desc);
+#endif
+	BOOL SetWorkingIndexById(unsigned char Id);
+
+#ifdef _WIN32
+	void Search(const wchar_t *search_string);
+#endif
+	BOOL HasIndexChanged(void) { return iModified; }
+	void ClearDirtyBit(void);
+	float FragmentationLevel(void);
+
+	Table *GetTable();
+	int in_query_parser;
+	int disable_date_resolution;
+};
+
+#endif