Tangle.c

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#include <stdlib.h>
#include "errors.h"
#include "Graph.h"
#include "Textual.h"
#include "Visual.h"
 
struct Tangle {
    struct Graph *graph;
    struct Textual *textual;
    struct Visual *visual;
};
 
struct Tangle *Tangle_construct(struct Graph *graph, int *error)
{
    struct Tangle *this = malloc(sizeof(struct Tangle));
 
    if (0 == this) {
        *error = ERROR_NO_MEMORY;
        return 0;
    }
 
    this->graph = graph;
 
    unsigned int modalityCluster[] = { 0, 0 };
 
    if (Graph_getLength(this->graph) == 1) {
 
        Graph_readCluster(this->graph, 1, 2, modalityCluster, error);
 
        if (*error) {
            return 0;
        }
 
    } else {
 
        Graph_addCluster(this->graph, 2, modalityCluster, error);
 
        if (*error) {
            return 0;
        }
 
    }
 
    this->textual = Textual_construct(modalityCluster[0], this->graph, error);
 
    if (*error) {
        return 0;
    }
 
    this->visual = Visual_construct(modalityCluster[1], this->graph, error);
 
    if (*error) {
        return 0;
    }
 
    return this;
}
 
struct Tangle *Tangle_destruct(struct Tangle *this)
{
    if (0 != this) {
        Textual_destruct(this->textual);
        Visual_destruct(this->visual);
        Graph_destruct(this->graph);
        free(this);
    }
 
    return 0;
}
 
const struct Graph *Tangle_getGraph(struct Tangle *this)
{
    return this->graph;
}