File: hk_exportcsvutility.cpp

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#include "hk_reportutils.h"
#include "hk_utilities.h"

static char doc[]="hk_exportcsv exports a datasource to an csv file";
static char args_doc[]="DATASOURCE";
static struct argp_option options[] =
{
    DEFAULTPARAMETER,
    {"filter",'f',"FILTER",0,"filter",0},
    {"query",'q',0,0,"if set the datasource is a query, else it is a table",0},
    {"noheader",13,0,0,"if set the column names will not be included in the first row",0},
    {"between",11,"BETWEEN",0,"column separator, default is ','",0},
    {"delimiter",12,"TEXTDELIMITER",0,"the text delimiter, default is '\"'",0},
    {"charset",'c',"CHARSET",0,"charset of the export file",0},
    {"locale",'o',"LOCALE",0,"locale of the import file, influences the number appearance",0},
    {"tf",14,"TIMEFORMAT",0,"time format",0},
    {"df",15,"DATEFORMAT",0,"date format",0},
    {"dtf",16,"DATETIMEFORMAT",0,"datetimeformat",0},
    {0,0,0,0,0,0}

};

class csvargumentclass :public argumentclass
{
    public:
        csvargumentclass()
	{
		dstype=dt_table;
		noheader=false;
		delimiter="\"";
		between=",";
		timeformat=hk_class::defaulttimeformat();
		datetimeformat=hk_class::defaultdatetimeformat();
		dateformat=hk_class::defaultdateformat();
	}
        hk_string datasource;
        hk_string delimiter, between;
        datasourcetype dstype;
        bool noheader;
	hk_string timeformat,dateformat,datetimeformat,charset,locale;
};

static error_t parse_options (int key,char* arg, struct argp_state* state)
{
    csvargumentclass* arguments=(csvargumentclass*)state->input;
    assert(arguments);

    switch (key)
    {

        case 'q'    : arguments->dstype=dt_query;
        break;
        case 'c' : arguments->charset=arg;
        break;
        case 'o' : arguments->locale=arg;
        break;
        case 13 : arguments->noheader=true;
        break;
        case 11 : arguments->between=arg;
           	  if (arguments->between=="\\t")
           	  	arguments->between="\t"; 
        break;
        case 12 : arguments->delimiter=arg;
        break;
        case 14 : arguments->timeformat=arg;
        break;
        case 15 : arguments->dateformat=arg;
        break;
        case 16 : arguments->datetimeformat=arg;
        break;
        case ARGP_KEY_ARG:
        {
            if (state->arg_num!=0)
            {
                cerr <<"argnum!=0 !!!"<<endl;
                argp_usage(state);
            }

            arguments->datasource=arg;
            break;
        }
        default :  return parse_generaloptions(key,arg,state);
    }
    return 0;
}


static struct argp argstruct={options,parse_options,args_doc,doc,0,0,0};

void verify_arguments(csvargumentclass& arguments)
{

/*  cerr <<"driver:"<<arguments.driver<<endl;
  cerr <<"database:"<<arguments.database<<endl;
  cerr <<"report:"<<arguments.report<<endl;
  cerr <<"port:"<<arguments.port<<endl;
  cerr <<"user:"<<arguments.user<<endl;
  cerr <<"password:"<<arguments.password<<endl;
  cerr <<"host:"<<arguments.host<<endl;
  cerr <<"filter:"<<arguments.filter<<endl;*/
    if (!verify_generalarguments(arguments))exit(1);
    if (arguments.datasource.size()==0)
    {
        cerr << "No datasource selected"<<endl;
        exit(1);
    }

}


int main(int argc, char** argv)
{
    umask(0077);
    hk_drivermanager d;
    csvargumentclass arguments;
    argp_parse(&argstruct,argc,argv,0,0, &arguments);
    verify_arguments(arguments);
    hk_connection * c=d.new_connection(arguments.driver,hk_connection::noninteractive);
    if (!c)
    {
        hk_class::show_warningmessage(hk_class::hk_translate("Error creating connection"));
        exit(1);
    }
    if (arguments.user.size())c->set_user(arguments.user);
    if (arguments.password.size()) c->set_password(arguments.password);
    if (arguments.host.size()) c->set_host(arguments.host);
    if (arguments.port.size())
    {
        c->set_tcp_port(localestring2uint(arguments.port));
    }
    if (!c->connect(hk_connection::noninteractive))
    {
        exit(1);
    }
    if (!c->database_exists(arguments.database))
    {
        hk_class::show_warningmessage(hk_class::hk_translate("No such database"));
        exit(1);
    }

    hk_database* db=c->new_database(arguments.database);
    hk_reportcsv* r= new hk_reportcsv();
    if (!r)
    {
        hk_class::show_warningmessage(hk_class::hk_translate("Report couldn't be created"));
        exit(1);
    }
    r->set_database(db);
    long ds=r->new_datasource(arguments.datasource,arguments.dstype);
    r->set_presentationdatasource(ds);

    if (r->datasource() && arguments.filter.size())
    {

        r->datasource()->set_temporaryfilter(arguments.filter);
        r->datasource()->set_use_temporaryfilter(true);
    }
    if (arguments.noheader) r->set_withheader(false);
    r->set_filedefinition(arguments.delimiter,arguments.between,"\n",arguments.datetimeformat,arguments.dateformat,arguments.timeformat,arguments.charset,arguments.locale);

    if (!r->execute())
    {
        hk_class::show_warningmessage(hk_class::hk_translate("csv couldn't be executed"));
        exit(1);
    }
  
}