phpsdl

This is a Simple Declarative Language (SDL) parser for PHP. It uses the internal PHP tokenizer to parse files and resolves it into tags compliant with SDL 1.2.

What is SDL?

If you have no clue what SDL is, it could for example be this file:

recipe "Noccy" size="4dl"{
    ingredient "Bacardi Limon" amt="10cl"
    ingredient "Orange Juice" amt="10cl"
    ingredient "Sprite or 7-up" amt="20cl"
    notes "Add a few cubes of ice and a slice of lemon"
}

You can think of this as XML, but each node can have multiple values. It kinda works for the above example tho if we make the name into an attribute:

<recipe size="4dl" name="Noccy">
    <ingredient amt="10cl">Bacardi Limon</ingredient>
    <ingredient amt="10cl">Orange Juice</ingredient>
    <ingredient amt="20cl">Sprite or 7-up</ingredient>
    <notes>Add a few cubes of ice and a slice of lemon</notes>
</recipe>

For more information, see SDL.md in the project folder.

Parsing with PHPSDL

After including the three files, you are good to go.

There are two ways to parse a file:

$root = new SdlTag();
$root->loadFile("drinks.sdl");

Or:

$root = SdlTag::createFromFile("drinks.sdl");

Querying the drinks from the above list is simple with the recursive query function:

$rcp = $root->queryOne("/recipe[Noccy]");
printf("To make a %s (%s) you need:\n",$rcp[0],$rcp->size);
$cts = $rcp->query("ingredient");
foreach($ingredient as $tag) {
    printf("  %-6s %s\n", $tag->amt, $tag[0]);
}

Outputting the SDL of a tag is as simple as calling encode() on the tag. For the root note, you want to call encodeChildren() instead if you are writing the output to a file.

noccy80/phpsdl

phpsdl

What is SDL?

Parsing with PHPSDL