86 lines
1.7 KiB
Crystal
86 lines
1.7 KiB
Crystal
@[Link(ldflags: "#{__DIR__}/shortcodes.o")]
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lib LibShortcodes
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struct Chunk
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start : UInt32
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len : UInt32
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end
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struct ScError
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position : UInt32
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code : UInt32
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end
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struct Shortcode
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whole : Chunk
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name : Chunk
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data : Chunk
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matching : LibC::Char
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argnames : Chunk[100]
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argvals : Chunk[100]
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argcount : UInt32
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end
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struct ScResult
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shortcodes : Shortcode[100]
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sccount : UInt32
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errors : ScError[10]
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errcount : UInt32
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end
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fun parse(input : Pointer(LibC::Char), len : UInt32) : ScResult
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end
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module Shortcodes
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struct Arg
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property name : String = ""
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property value : String = ""
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def initialize(@name, @value)
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end
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end
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struct Shortcode
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property name : String = ""
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property data : String = ""
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property matching : Int32 = 0
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property args : Array(Arg) = [] of Arg
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def initialize(@name, @data, @matching, @args)
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end
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end
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struct Result
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property shortcodes : Array(Shortcode) = [] of Shortcode
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end
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def extract(c : LibShortcodes::Chunk, s : String)
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s[c.start, c.len]
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end
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def parse(input : String)
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p! 111
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r = LibShortcodes.parse(input.to_unsafe, input.bytesize)
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p! 222
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result = Result.new
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r.shortcodes.each_with_index.map do |sc, i|
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next if i >= r.sccount
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args = [] of Arg
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sc.argnames.each_with_index.map do |_, j|
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next if i >= sc.argcount
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args << Arg.new(
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extract(sc.argnames[j], input),
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extract(sc.argvals[j], input),
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)
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end
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result.shortcodes << Shortcode.new(
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extract(sc.name, input),
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extract(sc.data, input),
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sc.matching,
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args,
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)
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end
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r
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end
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end
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