#include "parsecfgfile.h"

Parser::Parser() {
    nntpserver = NULL;
    user = NULL;
    passwd = NULL;
    regex = NULL;
    cfgfilename = strdup( ".bgrabrc" );
    parsefile();
}

Parser::Parser( char *cfn ) {
    nntpserver = NULL;
    user = NULL;
    passwd = NULL;
    regex = NULL;
    cfgfilename = strdup( cfn );
    parsefile();
}

void Parser::parsefile() {
    nntpserver = user = passwd = NULL;
    char lnbuf[BUFFERLEN];
    char var[VARLEN+1];
    char val[VALLEN+1];

    *spamsenders = *spamsubjects = '\0';

    int n;
    FILE *file = fopen( cfgfilename, "r" );
    if (file == NULL )
	return;
    while ( fgets(lnbuf,BUFFERLEN,file) ) {
	*var=*val='\0';
	/* n==2 if input ok */
	if (lnbuf[0] != '#') { // # starts a comment line
	    n=sscanf(lnbuf,"%60[^=\n\r]=%160[^\n\r]",var,val);
	    notrspaces(var);
	    notrspaces(val);
	    //	printf("%d: [%s] = [%s]\n",n,var,val);
	    if(n==2) {
	        if ( strcmp(var,"nntpserver") == 0 ) { nntpserver = strdup(val); }
		if ( strcmp(var,"user") == 0 ) { user = strdup(val); }
		if ( strcmp(var,"passwd") == 0 ) { passwd = strdup(val); }
		if ( strcmp(var,"regex") == 0 ) { regex = strdup(val); }
		if ( strcmp(var,"spamsender") == 0 ) {
		    if (strcmp(spamsenders,"") != 0)
		        strcat(spamsenders,"\377");
		    strcat(spamsenders,val);
		} 
		if ( strcmp(var,"spamsubject") == 0 ) {
		    if (strcmp(spamsubjects,"") != 0)
		        strcat(spamsubjects,"\377");
		    strcat(spamsubjects,val);
		}
	    }
	}
    }
/*    if (nntpserver) printf("SERVER: %s\n",nntpserver);
    if (user) printf("USER: %s\n",user);
    if (passwd) printf("PASSWD: %s\n",passwd);*/
}

void Parser::notrspaces(char *src) {
/* remove leading/trailing spaces and other garbage  */
 char *s;
 if (!src || ! *src ) return;
 for(s=src+strlen(src)-1; s>src && isspace(*s); --s) ;
 *(s+1)='\0';
 for(s=src; *s  && isspace(*s); ++s) ;
 if (s==src) return;
 for( ; *s; *src++ = *s++);
 *src='\0';
}
/*
int main()
{
    Parser *p;
    p = new Parser();
}
*/