/*
 * recenteditor.c
 *
 * A programmers editor
 *
 * Author: Dario Rodriguez dario@softhome.net
 * This program is licensed under the terms of GNU GPL v2.1+
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>

#include "recenteditor_data.h"

typedef struct re_t {
        redata_t *redata;
        int flag_newfile;
        char filename[PATH_MAX];
} re_t;

re_t *re_init(void);
void re_free(re_t *re);

int re_setfilename(re_t *re, char *filename);

int
main(int argc, char *argv[])
{
        re_t *re;
        if(argc!=2 || strcmp(argv[argc-1],"--help")==0) {
                fprintf(stderr,"Syntax: %s filename\n",argv[0]);
                return(1);
        }
        if((re=re_init())==NULL) {
                fprintf(stderr,"ERROR: couldn't init structs.\n");
                return(2);
        }
        if(re_setfilename(re,argv[argc-1])!=0) {
                fprintf(stderr,"ERROR: filename too long.\n");
                re_free(re),re=NULL;
                return(2);
        }
        if((redata_load(re->redata,re->filename,0))!=0)
                re->flag_newfile=1;
        else
                re->flag_newfile=0;
#warning TESTS
        {
                char buf[129];
                redata_hash(re->redata,buf);
                fprintf(stderr,"%s %s\n",buf,re->filename);
        }
#warning TODO
        re_free(re),re=NULL;
        return(0);
}

re_t *
re_init(void)
{
        re_t *re;
        if((re=malloc(sizeof(re_t)))==NULL)
                return(NULL); /* insuf. mem. */
        memset(re,0,sizeof(re_t));
        if((re->redata=redata_init())==NULL) {
                re_free(re),re=NULL;
                return(NULL); /* insuf. mem. */
        }
        return(re);
}

void
re_free(re_t *re)
{
        if(re==NULL)
                return; /* all done */
        if(re->redata!=NULL)
                redata_free(re->redata),re->redata=NULL;
        free(re),re=NULL;
        return;
}

int
re_setfilename(re_t *re, char *filename)
{
        if(re==NULL || filename==NULL)
                return(-1);
        strncpy(re->filename,filename,sizeof(re->filename));
        re->filename[sizeof(re->filename)-1]='\0';
        if(strcmp(filename,re->filename)!=0)
                return(-1); /* filename too long */
        return(0);
}