32b8ee2e94
incompatibilities that appear to possibly be due to R5 versions of tests in libstoragetest_r5.so being compiled with our headers... At any rate, this appears to fix the BQuery linking problems. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1712 a95241bf-73f2-0310-859d-f6bbb57e9c96
128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
//----------------------------------------------------------------------
|
|
// This software is part of the OpenBeOS distribution and is covered
|
|
// by the OpenBeOS license.
|
|
//---------------------------------------------------------------------
|
|
/*!
|
|
\file Query.h
|
|
BQuery interface declaration.
|
|
*/
|
|
|
|
#ifndef _QUERY_H
|
|
#define _QUERY_H
|
|
|
|
#include <EntryList.h>
|
|
#include <Messenger.h>
|
|
#include <OS.h>
|
|
#include <SupportDefs.h>
|
|
|
|
#include <StorageDefs.Private.h>
|
|
|
|
class BVolume;
|
|
struct entry_ref;
|
|
|
|
namespace BPrivate {
|
|
namespace Storage {
|
|
class QueryNode;
|
|
class QueryStack;
|
|
class QueryTree;
|
|
};
|
|
};
|
|
|
|
typedef enum {
|
|
B_INVALID_OP = 0,
|
|
B_EQ,
|
|
B_GT,
|
|
B_GE,
|
|
B_LT,
|
|
B_LE,
|
|
B_NE,
|
|
B_CONTAINS,
|
|
B_BEGINS_WITH,
|
|
B_ENDS_WITH,
|
|
B_AND = 0x101,
|
|
B_OR,
|
|
B_NOT,
|
|
_B_RESERVED_OP_ = 0x100000
|
|
} query_op;
|
|
|
|
/*!
|
|
\class BQuery
|
|
\brief Represents a live or non-live file system query
|
|
|
|
Provides an interface for creating file system queries. Implements
|
|
the BEntryList for iterating through the found entries.
|
|
|
|
\author <a href='mailto:bonefish@users.sf.net'>Ingo Weinhold</a>
|
|
|
|
\version 0.0.0
|
|
*/
|
|
class BQuery : public BEntryList {
|
|
public:
|
|
BQuery();
|
|
virtual ~BQuery();
|
|
|
|
status_t Clear();
|
|
|
|
status_t PushAttr(const char *attrName);
|
|
status_t PushOp(query_op op);
|
|
|
|
status_t PushUInt32(uint32 value);
|
|
status_t PushInt32(int32 value);
|
|
status_t PushUInt64(uint64 value);
|
|
status_t PushInt64(int64 value);
|
|
status_t PushFloat(float value);
|
|
status_t PushDouble(double value);
|
|
status_t PushString(const char *value, bool caseInsensitive = false);
|
|
status_t PushDate(const char *date);
|
|
|
|
status_t SetVolume(const BVolume *volume);
|
|
status_t SetPredicate(const char *expression);
|
|
status_t SetTarget(BMessenger messenger);
|
|
|
|
bool IsLive() const;
|
|
|
|
status_t GetPredicate(char *buffer, size_t length);
|
|
status_t GetPredicate(BString *predicate);
|
|
size_t PredicateLength();
|
|
|
|
dev_t TargetDevice() const;
|
|
|
|
status_t Fetch();
|
|
|
|
// BEntryList interface
|
|
virtual status_t GetNextEntry(BEntry *entry, bool traverse = false);
|
|
virtual status_t GetNextRef(entry_ref *ref);
|
|
virtual int32 GetNextDirents(struct dirent *buf, size_t length,
|
|
int32 count = INT_MAX);
|
|
virtual status_t Rewind();
|
|
virtual int32 CountEntries();
|
|
|
|
private:
|
|
bool _HasFetched() const;
|
|
status_t _PushNode(BPrivate::Storage::QueryNode *node, bool deleteOnError);
|
|
status_t _SetPredicate(const char *expression);
|
|
status_t _EvaluateStack();
|
|
|
|
// FBC
|
|
virtual void _QwertyQuery1();
|
|
virtual void _QwertyQuery2();
|
|
virtual void _QwertyQuery3();
|
|
virtual void _QwertyQuery4();
|
|
virtual void _QwertyQuery5();
|
|
virtual void _QwertyQuery6();
|
|
|
|
private:
|
|
int32 _reservedData[4]; // FBC
|
|
BPrivate::Storage::QueryStack *fStack;
|
|
char *fPredicate;
|
|
dev_t fDevice;
|
|
bool fLive;
|
|
port_id fPort;
|
|
long fToken;
|
|
BPrivate::Storage::FileDescriptor fQueryFd;
|
|
};
|
|
|
|
#endif // _QUERY_H
|
|
|
|
|