readInputData.cpp

#include "readInputData.h"
using namespace std;

int read_sizes(int *linecounter,int *maxlength,char* docfile){
    FILE *file = fopen(docfile, "r");
    if(file == NULL){
        cout<<"Error opening file"<<endl;
        return -1;
    }
    char *line = NULL;
    size_t falsebuffer = 0;
    int curLength;
    while((curLength=getline(&line, &falsebuffer, file))!=-1){
        if(*maxlength < curLength)
            *maxlength = curLength;
        (*linecounter)++;
        delete line;
        line = NULL;
        falsebuffer = 0;
    }
    fclose(file);
    delete line;
    if(*linecounter == 0 || *maxlength < 3){
        cout<<"Document is too emty and does not meet requirements"<<endl;
        return -1;
    }
    return 1;
}
void split(char* temp, int id, Trienode* trie, Mymap *mymap){

    char* token;
    token = strtok(temp," \t");
    int i = 0;
    while(token != NULL){
        i++;
        trie->insert(token, id);
        token = strtok(NULL, " \t");
    }
    mymap->setlength(id, i);
    free(token);
}
int read_input(Mymap *mymap, Trienode* trie, char* docfile){
    FILE* file = fopen(docfile, "r");
    char* line = NULL;
    size_t falsebuffer=0;
    int curLength = 0;

    char* temp = (char*)malloc(mymap->getbuffersize()*sizeof(char));
    for(int i = 0; i < mymap->getsize(); i++){
        
        getline(&line, &falsebuffer, file);
        if(mymap->insert(line, i) == -1){

            cout << "Document does no meet the requirements!" << endl;
            fclose(file);
            free(line);
            free(temp);
            return -1;
        }
        strcpy(temp, mymap->getDocument(i));
        split(temp, i, trie, mymap);
        free(line);
        line = NULL;
        falsebuffer = 0;
    }
    fclose(file);
    free(temp);
    return 1;
}