Textual.c

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#include <stdlib.h>
#include "errors.h"
#include "Graph.h"
#include "Binary.h"
 
#define CLUSTER_LENGTH 3
 
struct Textual {
    unsigned int modality;
    unsigned int wordType;
    unsigned int phraseType;
    struct Binary *binary;
    struct Graph *graph;
};
 
struct Textual *Textual_construct(unsigned int modality, struct Graph *graph, int *error)
{
    struct Textual *this = malloc(sizeof(struct Textual));
 
    if (0 == this) {
        *error = ERROR_NO_MEMORY;
        return 0;
    }
 
    this->graph = graph;
    this->modality = modality;
 
    unsigned int cluster[CLUSTER_LENGTH] = { 0, 0, 0 };
 
    unsigned int clusterStart = Graph_readLastSource(this->graph, modality, error);
 
    if (*error) {
        return 0;
    }
 
    if (0 == clusterStart) {
 
        Graph_addCluster(this->graph, CLUSTER_LENGTH, cluster, error);
 
        if (*error) {
            return 0;
        }
 
        Graph_addEdge(graph, modality, cluster[0], error);
 
        if (*error) {
            return 0;
        }
 
    } else {
 
        Graph_readCluster(this->graph, clusterStart, CLUSTER_LENGTH, cluster, error);
 
        if (*error) {
            return 0;
        }
 
    }
 
    this->binary = Binary_construct(cluster[0], this->graph, error);
 
    if (*error) {
        return 0;
    }
 
    this->wordType = cluster[1];
    this->phraseType = cluster[2];
 
    return this;
}
 
struct Textual *Textual_destruct(struct Textual *this)
{
    if (0 != this) {
        Binary_destruct(this->binary);
        free(this);
    }
 
    return 0;
}