vars.c

#include "vars.h"


TVarList *enhancer_varlist=NULL;

TVarList *enhancer_varlist_create()
{
    TVarList *varl;

    varl=(TVarList *) calloc(1, sizeof(TVarList));
    varl->max=0;
    return(varl);
}

void enhancer_setvarlist(TVarList *list, const char *name, const char *value)
{
    char *ptr, *end;
    TVar *Var;
    int i;


    if (name==NULL) return;
    if (value==NULL) return;

    for (i=0; i < list->max; i++)
    {
        Var=&(list->vars[i]);
        if (Var && (strcmp(Var->name,name) ==0))
        {
            Var->value=enhancer_strcpy(Var->value, value);
            return;
        }

    }


    /*if we get to here, then we didn't find a variable in the list */
    list->vars=realloc(list->vars, (list->max+10) * sizeof(TVar));
    Var=&(list->vars[list->max]);
//these variables won't be allocated, nor set to NULL, so use enhancer_strcpy
//in light of that
    Var->name=enhancer_strcpy(NULL, name);
    Var->value=enhancer_strcpy(NULL, value);

    list->max++;
}

void enhancer_setvar(const char *name, const char *value)
{
    if (! enhancer_varlist) enhancer_varlist=enhancer_varlist_create();
    enhancer_setvarlist(enhancer_varlist, name, value);
}

void enhancer_func_setvar(const char *Arg, const char *FuncName, const char *Str1, const char *Str2)
{
    char *Name=NULL, *Value=NULL, *Tempstr=NULL;
    const char *ptr;

    ptr=enhancer_strtok(Arg, "=", &Tempstr);
    Name=enhancer_format_str(Name, Tempstr, FuncName, Str1, Str2);
    ptr=enhancer_strtok(ptr, "=", &Tempstr);
    Value=enhancer_format_str(Value, Tempstr, FuncName, Str1, Str2);
    enhancer_setvar(Name, Value);

    destroy(Name);
    destroy(Value);
    destroy(Tempstr);
}


const char *enhancer_getvarlist(TVarList *list, const char *name)
{
    TVar *Var;
    int i;

    for (i=0; i < list->max; i++)
    {
        Var=&(list->vars[i]);
        if (Var && (strcmp(Var->name,name)==0) ) return(Var->value);
    }

    return("");
}

const char *enhancer_varlist_find_value(TVarList *list, const char *value)
{
    TVar *Var;
    int i;

    for (i=0; i < list->max; i++)
    {
        Var=&(list->vars[i]);
        if (Var && (strcmp(Var->value,value)==0) ) return(Var->name);
    }

    return("");
}



const char *enhancer_getvar(const char *name)
{
    if (! enhancer_varlist) return("");
    return(enhancer_getvarlist(enhancer_varlist, name));
}