ad-generator-cli.php

<?php
/**
 * Command line interface for professional text randomizer and ad generator.
 * 
 * USAGE: php ad-generator-cli.php -n 300 -f shablon.txt -o result.txt
 * 
 * -n, -N - number of variants inn output file (default: 300)
 * -f, --file - input file with template (necessary)
 * -o, --out - result file (default: result-N.txt)
 * -h, --help - show help message
 */
/**
 * @package    airatvibe/ad-generator
 * @category   Core
 * @author     Airat Halitov
 * @license    GPLv3
 * @link       https://github.com/airatvibe/ad-generator
 * @version    2.2.0
 */

if ( $argc < 2 ) {
    die( show_help () );
}

function show_help () {
echo <<<END
\nHELP:
Version: 2.2.0
Command line interface for professional text randomizer and ad generator.\n
USAGE: php ad-generator-cli.php -n 300 -f shablon.txt -o result.txt\n
Arguments:
  -n, -N \tnumber of variants inn output file (default: 300)
  -f, --file \tinput file with template (necessary)
  -o, --out \tresult file (default: result-N.txt)
  -h, --help \tshow help message

Author: Airat Halitov
Link: https://github.com/airatvibe/ad-generator\n\n
END;
}

function read_file ( $filename ) {
    $fp = fopen( $filename, "r" ) or die( "\nError in read_file(): Unable to open file!\n\n" );
    if ( filesize( $filename ) < 2 ) {
        die( "\nError in read_file(): Input file should not be empty!\n\n" );
    }
    $content = fread( $fp, filesize( $filename ) );
    if ( trim( $content ) == '' ) {
        die( "\nError in read_file(): Input file should not be empty!\n\n" );
    }
    fclose( $fp );
    return $content;
}

function save_file ( $filename, $content ) {
    $fp = fopen( $filename, "w" ) or die( "\nError in save_file(): Unable to open file!\n\n" );
    fwrite( $fp, $content );
    fclose( $fp );
}

$N = 300;
$file_in = '';
$file_out = '';

for( $i = 1; $i < $argc; $i++ )
{
    if ( ( !strcmp( $argv[$i], "-n" ) || !strcmp( $argv[$i], "-N" ) ) && ( $i+1<$argc ) ) {
        $N = ( int )$argv[$i+1];
    }
    if ( ( !strcmp( $argv[$i], "-f" ) || !strcmp( $argv[$i], "--file" ) ) && ( $i+1<$argc ) ) {
        $file_in = ( string )$argv[$i+1];
    }
    if ( ( !strcmp( $argv[$i], "-o" ) || !strcmp( $argv[$i], "--out" ) ) && ( $i+1<$argc ) ) {
        $file_out = ( string )$argv[$i+1]; 
    }
    if ( !strcmp( $argv[$i], "-h" ) || !strcmp( $argv[$i], "--help" ) ) {
        die( show_help () );
    }
}

if ( $N < 1 ) {
    echo "\nWarning! N should be > 0! Using default n = 300\n";
    $N = 300;
}
if ( $N > 1e9 ) {
    echo "\nWarning! N is too big (> 1e9)! Using default n = 300\n";
    $N = 300;
}
if ( $file_in == '' ) {
    echo "\nError! Мissing input file! (argument after -f or --file)\n";
    die( show_help () );
}
if ( $file_out == '' ) {
    $file_out = 'result-' . $N . '.txt';
}

save_file( $file_out, ad_generator_cli( $N, $file_in ) );

function ad_generator_cli( $max_res, $filename ) {
    $result_text = '';
    $ad_text = read_file( $filename );
    $ad_text = str_replace( '\\\\', '\\', $ad_text );
    $ad_text = str_replace( '\\"', '"', $ad_text );
    $ad_text = str_replace( "\\'", "'", $ad_text );

    if ( $ad_text ) {
        require_once 'includes/Randomizer.php';
        $tRand = new Randomizer( $ad_text );
        $num_var = $tRand->numVariant();
        
        if ( $num_var > 1 ) {
            $max_tmp = min( $num_var, $max_res );
            $result_text .= sprintf( "The number of all possible variants: %s. Here are the random %s of them:\n\n", $num_var, $max_tmp );
            
            for ( $i = 0; $i < $max_tmp; ++$i ) {
                $result_text .= $tRand->getText() . "\n\n\n";
            }
        } else {
            $result_text .= "Only 1 possible variant:\n\n";
            $result_text .= $tRand->getText();
        }
    }
    $result_text = preg_replace( "/\n /", "\n", trim( $result_text ) );
    $result_text = preg_replace( "/ \n/", "\n", $result_text );
    return $result_text;
}