/*******************************************************************************
* BEntry.hh Database entry system
* T.Barnaby, BEAM Ltd, 10/5/93
* Copyright (c) 2012 All Right Reserved, Beam Ltd, http://www.beam.ltd.uk
*******************************************************************************
*/
#ifndef BENTRY_H
#define BENTRY_H
#include <BList.h>
#include <BString.h>
/// Manipulate a name value pair
class BEntry {
public:
BEntry();
BEntry(BString name, BString value); ///< Set name and value
BEntry(BString line); ///< Set name and value from white space deliminated string
BString getName(); ///< Get the name
BString getValue(); ///< Get the value
void setLine(BString line); ///< Set name and value from white space deliminated string
void setName(BString name); ///< Set the name
void setValue(BString value); ///< Set the value
BString line(); ///< Return name and value as padded single string
void print(); ///< Print name and value
private:
BString oname;
BString ovalue;
};
/// List of Entries. Where an entry is a name value pair
class BEntryList : public BList<BEntry> {
public:
BEntryList();
int isSet(BString name); ///< 1 if name is in list and value is set
BEntry* find(BString name); ///< Returns entry if name is found otherwise NULL
BString findValue(BString name); ///< Returns value of name. Returns "" if name not found
int setValue(BString name, BString value); ///< Set the value of name. Returns 0 if name not found
int setValueRaw(BString name, BString value); ///< Raw setting of value without looking up existing entry
void deleteEntry(BString name); ///< Deletes the entry
void print(); ///< Print list
BString getString(); ///< Return list as string. Each Entry padded and on a new line
// Override these functions as we cache olastPos
void insert(BIter& i, const BEntry& item);
void del(BIter& i);
void clear();
BEntryList& operator=(const BEntryList& l);
private:
BIter olastPos; // Last position speed up
};
/// File of Entries.
class BEntryFile : public BEntryList {
public:
BEntryFile();
BEntryFile(BString filename); ///< Opens entryfile
~BEntryFile();
int open(BString filename); ///< Opens entryfile
int read(); ///< Reads entry file and builds list
int write(); ///< Writes list to entryfile
int writeList(BEntryList& l); ///< Writes specified list to file
void clear(); ///< Clears current list
BString filename(); ///< Returns the filename
private:
BString ofilename;
BString ocomments;
};
#endif