smallarraylist.h

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/***************************************************************************
SmallArrayList.h  -  
-------------------
begin                : Tue Mar 3 2004
copyright            : (C) 2004 by DigitalAirways
email                : [e-mail]
***************************************************************************/

/*
* Copyright (c) 2000-2004 DigitalAirways, sarl. All Rights Reserved.
*
* This software is the confidential and proprietary information of
* DigitalAirways, sarl. ("Confidential Information").  You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with DigitalAirways.
* A copy of this license is included in the licence.txt file included
* in this software package.
*/

/*
**************************************************************
* TODO
**************************************************************

- 



**************************************************************
* HISTORY
**************************************************************

- 
*/


#ifndef __SMALLARRAYLIST__
#define __SMALLARRAYLIST__

#include "EB_Utils.h"
#include "KR_Comparator.h"



class KREBDLIBS_API SmallArrayList {

private:	

	void** fData; // array
	long fDataTabLen; // array size
	long fDataCount; // next index to use, also the max + 1 of index of all existing objects
	// caution: there can be NULLs pointers between the index of thelast non-NULL elt and size(). See unit test test350-23

	void init();

public:	

	DEFINE_NEW(SmallArrayList);
	DEFINE_DELETE(SmallArrayList);

	void nullArray();
	void createTab(long capacity, boolean setToNull=true);
	SmallArrayList(long initialCapacity);
	virtual ~SmallArrayList();

	void ensureCapacity(long index);

	long add(void* o) ;

	void push(void* o) {
		if(o) add(o);
	}

	void* set(long index, void* element);

	void* get(long index) {
		if(index>=fDataCount || index<0) return NULL;
		return fData[index];
	}

	void* elementAt(long index) {
		return get(index);
	}

	void setSize(long newSize) {
		fDataCount=newSize;
	}

	// elements from 0 to fDataCount-1
	long size() {
		return fDataCount;
	}

	long tabLen() {
		return fDataTabLen;
	}

	long indexOf(void* elem, int modulo=1) ;
	long indexOfStr(char* elem, int modulo=1) ;
	long lastIndexOfStr(char* elem) ;

	void* remove(long index) ;

	void sort(Comparator* c) {
		insertionSort(fData, 0, fDataCount, c);
	}

	void clear(boolean setToNull=true) {
		fDataCount=0;
		if(setToNull)
			nullArray();
	}

	//returns a shallow clone of 'this'.
	// the clone is allocated with xmalloc or it is passed as parameter.
	SmallArrayList* clone(SmallArrayList* matrix=NULL);

	void insertionSort(void* dest[], long low, long high, Comparator* c) ;


	/*
	* Hashtable like management functions 
	*/

	/*
	* Set a var/val pair by creating it or updating it if it already exists.
	*/
	void updateVarVal(char* var, void* val);
	/**
	* Parse a query string and add the values that it contains in a SmallArrayList
	* managing a pseudo Hashtable.
	* scan      : the querystring to parse
	* res       : the SmallArrayList to use. If it's NULL, a new one is created.
	* separator : the character to use as a separator between the values. Default = '&'
	* Returns   : an Hashtable-like SmallArrayList containing param names and values
	*
	*/
	static SmallArrayList* insertQueryString(char* scan, SmallArrayList* res=NULL, char separator='&');
	/*
	* This function considers that couples is containing
	* pairs of dataName/dataValue blocs of memory, dataName
	* being a string.
	* It tries to find dataName containing valName and then 
	* returns the associated dataValue, without transferring any
	* ownership.
	* If the dataName is not found, it returns defValue.
	*/
	char* findStrHTValue(char* key, char* defValue=NULL);
	/*
	* Returns the "Hastabled" value associated to key as an int
	*/
	int findIntHTValue(char* key, int defValue=0, char** endptr = NULL);
};


// To manage SmallArrayList containing strings...
/*
 * This function considers that currentLines is containing
 * a set of blocs created by xmalloc() and that are owned 
 * by the SmallArrayList.
 * It frees all these blocs and, finally, the SmallArrayList itself.
 */
KREBDLIBS_API void freeLines(SmallArrayList** currentLines, boolean deleteList=TRUE) ;


#endif