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string_list.c
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string_list.c
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/*
Copyright (c) 2019 Colum Paget <[email protected]>
* SPDX-License-Identifier: GPL-3.0
*/
#include "common.h"
#include "string_list.h"
TStringList *StringListCreate(int argc, char **argv)
{
TStringList *sl;
sl=(TStringList *) calloc(1, sizeof(TStringList));
sl->list=calloc(argc, sizeof(char *));
for (sl->size=0; sl->size < argc; sl->size++)
{
sl->list[sl->size]=strdup(argv[sl->size]);
}
return(sl);
}
int StringListAdd(TStringList *sl, const char *str)
{
if (str)
{
sl->list=realloc(sl->list, (sl->size+1) * sizeof(char *));
sl->list[sl->size]=strdup(str);
sl->size++;
}
return(sl->size -1);
}
int StringListDel(TStringList *sl, int pos)
{
if (sl->size > 0)
{
memmove(sl->list+pos, sl->list+(pos+1), (sl->size - pos) * sizeof(char *));
sl->size--;
}
return(sl->size);
}
void StringListSwap(TStringList *sl, int pos1, int pos2)
{
char *tmp;
tmp=sl->list[pos1];
sl->list[pos1]=sl->list[pos2];
sl->list[pos2]=tmp;
}
int StringListSplit(TStringList *sl, const char *str, const char *separators)
{
char *Token=NULL;
const char *ptr;
ptr=rstrtok(str, separators, &Token);
while (ptr)
{
StringListAdd(sl, Token);
ptr=rstrtok(ptr, separators, &Token);
}
destroy(Token);
return(sl->size);
}
const char *StringListItem(TStringList *sl, unsigned int pos)
{
if (pos >= sl->size) return(NULL);
return(sl->list[pos]);
}
const char *StringListGet(TStringList *sl, unsigned int pos)
{
if (pos >= sl->size) return(NULL);
sl->next=pos+1;
return(sl->list[pos]);
}
void StringListSet(TStringList *sl, unsigned int pos, const char *Str)
{
if (pos >= sl->size) return;
sl->list[pos]=rstrcpy(sl->list[pos], Str);
}
const char *StringListCurr(TStringList *sl)
{
if (! sl) return(NULL);
if (sl->size==0) return(NULL);
if (sl->next==0) return(NULL);
if (sl->next > sl->size) return(NULL);
return(sl->list[sl->next-1]);
}
const char *StringListPrev(TStringList *sl)
{
if (! sl) return(NULL);
if (sl->next ==0) return(NULL);
if (sl->next > 1) sl->next--;
return(sl->list[sl->next-1]);
}
const char *StringListNext(TStringList *sl)
{
if (! sl) return(NULL);
if (sl->next >= sl->size) return(NULL);
sl->next++;
return(sl->list[sl->next-1]);
}
void StringListClear(TStringList *sl)
{
int i;
for (i=0; i < sl->size; i++)
{
if (sl->list[i]) free(sl->list[i]);
}
free(sl->list);
sl->list=NULL;
sl->size=0;
}
void StringListDestroy(TStringList *sl)
{
StringListClear(sl);
free(sl);
}