indenter

#!/usr/bin/env php
<?php

if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
    require __DIR__ . '/../vendor/autoload.php';
} else {
    require __DIR__ . '/vendor/autoload.php';
}

function error($error)
{
    echo $error;
    exit(1);
}

$options = getopt('', ['input:', 'indentation_character:', 'inline:', 'block:']);

if (!isset($_SERVER['argv'][1])) {
    echo '
Indent HTML.

Options:
    --input=./input_file.html
        Input file
    --indentation_character="    "
        Character(s) used for indentation. Defaults to 4 whitespace characters.
    --inline=""
        A list of comma separated "inline" element names.
    --block=""
        A list of comma separated "block" element names.

Examples:
    ./indenter --input="./input.html"
        Indent "input.html" file and print the output to STDOUT.

    ./indenter --input="./input.html" | tee ./output.html
        Indent "input.html" file and dump the output to "output.html".

    ./indenter --input="./input.html" --indentation_character="\t"
        Indent "input.html" file using tab to indent the markup.

    ./indenter --input="./input.html" --inline="div,p"
        Indent "input.html" file treating <div> and <p> elements as inline.

    ./indenter --input="./input.html" --block="span,em"
        Indent "input.html" file treating <span> and <em> elements as block.
';

    exit;
}

if (!isset($options['input'])) {
    error('Missing "input" parameter.');
} elseif (!file_exists($options['input'])) {
    error('"input" file does not exist.');
}

$indenter = new \Qubus\Support\Indenter(
    isset($options['indentation_character'])
        ? ['indentation_character' => $options['indentation_character']]
        : []
);

if (isset($options['inline'])) {
    foreach (explode(',', $options['inline']) as $element_name) {
        $indenter->setElementType($element_name, \Qubus\Support\Indenter::ELEMENT_TYPE_INLINE);
    }
}

if (isset($options['block'])) {
    foreach (explode(',', $options['block']) as $element_name) {
        $indenter->setElementType($element_name, \Qubus\Support\Indenter::ELEMENT_TYPE_BLOCK);
    }
}

$output = $indenter->indent(file_get_contents($options['input']));

echo $output;