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RoyalIcing/youtube_url_parser.wat

Created March 18, 2024 05:50
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YouTube Parser with Orb
Raw
youtube_url_parser.wat
(module $YouTubeURLParser
(memory (export "memory") 1)
(global $YouTubeURLParser.Input.bump_offset (mut i32) (i32.const 0))
(func $YouTubeURLParser.Input.alloc! (param $byte_count i32) (result i32)
(local $new_ptr i32)
(global.get $YouTubeURLParser.Input.bump_offset)
(local.set $new_ptr)
(i32.gt_u (i32.add (local.get $new_ptr) (local.get $byte_count)) (i32.const 65536))
(if
(then
unreachable
)
)
(i32.gt_u (i32.add (local.get $new_ptr) (local.get $byte_count)) (i32.mul (memory.size) (i32.const 65536)))
(if
(then
(memory.grow (i32.const 1))
drop
)
)
(i32.add (local.get $new_ptr) (local.get $byte_count))
(global.set $YouTubeURLParser.Input.bump_offset)
(local.get $new_ptr)
)
(func $YouTubeURLParser.Input.rewind
(i32.const 0)
(global.set $YouTubeURLParser.Input.bump_offset)
)
(func $input_offset (export "input_offset") (result i32)
(i32.const 0)
)
(func $parse (export "parse") (result i32)
(local $input_offset i32)
(i32.const 0)
(local.set $input_offset)
(block $OptionalScheme
(i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 3))) (i32.const 112)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 2))) (i32.const 116)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 1))) (i32.const 116)) (i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 104)))))
(if
(then
(i32.add (local.get $input_offset) (i32.const 4))
(local.set $input_offset)
)
(else
(br $OptionalScheme)
)
)
(i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 115))
(if
(then
(i32.add (local.get $input_offset) (i32.const 1))
(local.set $input_offset)
)
)
(i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 58))
(if
(then
(i32.add (local.get $input_offset) (i32.const 1))
(local.set $input_offset)
)
(else
(br $OptionalScheme)
)
)
)
(i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 1))) (i32.const 47)) (i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 47)))
(if
(then
(i32.add (local.get $input_offset) (i32.const 2))
(local.set $input_offset)
)
)
(block $ShortDomain
(local.get $input_offset)
(block $FullDomain
(i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 3))) (i32.const 46)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 2))) (i32.const 119)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 1))) (i32.const 119)) (i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 119)))))
(if
(then
(i32.add (local.get $input_offset) (i32.const 4))
(local.set $input_offset)
)
)
(i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 10))) (i32.const 109)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 9))) (i32.const 111)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 8))) (i32.const 99)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 7))) (i32.const 46)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 6))) (i32.const 101)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 5))) (i32.const 98)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 4))) (i32.const 117)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 3))) (i32.const 116)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 2))) (i32.const 117)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 1))) (i32.const 111)) (i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 121))))))))))))
(if
(then
(i32.add (local.get $input_offset) (i32.const 11))
(local.set $input_offset)
)
(else
(br $FullDomain)
)
)
(i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 8))) (i32.const 61)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 7))) (i32.const 118)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 6))) (i32.const 63)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 5))) (i32.const 104)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 4))) (i32.const 99)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 3))) (i32.const 116)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 2))) (i32.const 97)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 1))) (i32.const 119)) (i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 47))))))))))
(if
(then
(i32.add (local.get $input_offset) (i32.const 9))
(local.set $input_offset)
)
(else
(br $FullDomain)
)
)
(br $ShortDomain)
)
(local.set $input_offset)
(i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 8))) (i32.const 47)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 7))) (i32.const 101)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 6))) (i32.const 98)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 5))) (i32.const 46)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 4))) (i32.const 117)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 3))) (i32.const 116)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 2))) (i32.const 117)) (i32.and (i32.eq (i32.load8_u (i32.add (local.get $input_offset) (i32.const 1))) (i32.const 111)) (i32.eq (i32.load8_u (local.get $input_offset)) (i32.const 121))))))))))
(if
(then
(i32.add (local.get $input_offset) (i32.const 9))
(local.set $input_offset)
)
(else
(return (i32.const 0))
)
)
)
(local.get $input_offset)
)
)
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