#include <debug.h>

#include <memory/smalloc.h>

#include <string/new.h>
#include <string/inc.h>
#include <string/free.h>

#include "inc.h"
#include "struct.h"
#include "append.h"

void stringtree_append_string_const(
    struct stringtree* this,
    const char* cstr)
{
    ENTER;
    
    struct child* new = smalloc(sizeof(*new));
    
    new->kind = ck_cstr;
    new->cstr = cstr;
    new->prev = NULL;
    new->next = NULL;
    
    if (this->tail)
    {
        this->tail->next = new;
        new->prev = this->tail;
        
        this->tail = new;
    }
    else
    {
        this->head = new;
        this->tail = new;
    }
    
    EXIT;
}


void stringtree_append_formatstr(
    struct stringtree* this,
    const char* fmt, ...)
{
    ENTER;
    
    va_list va;
    
    va_start(va, fmt);
    
    struct string* string = new_string_from_vargs(fmt, va);
    
    stringtree_append_string(this, string);
    
    free_string(string);
    
    va_end(va);
    
    EXIT;
}

void stringtree_append_string(
    struct stringtree* this,
    struct string* string)
{
    ENTER;
    
    struct child* new = smalloc(sizeof(*new));
    
    new->kind = ck_string;
    new->string = inc_string(string);
    new->prev = NULL;
    new->next = NULL;
    
    if (this->tail)
    {
        this->tail->next = new;
        new->prev = this->tail;
        
        this->tail = new;
    }
    else
    {
        this->head = new;
        this->tail = new;
    }
    
    EXIT;
}

void stringtree_append_stringtree(
    struct stringtree* this,
    struct stringtree* stringtree)
{
    ENTER;
    
    struct child* new = smalloc(sizeof(*new));
    
    new->kind = ck_stringtree;
    new->stringtree = inc_stringtree(stringtree);
    new->prev = NULL;
    new->next = NULL;
    
    if (this->tail)
    {
        this->tail->next = new;
        new->prev = this->tail;
        
        this->tail = new;
    }
    else
    {
        this->head = new;
        this->tail = new;
    }
    
    EXIT;
}