68 lines
2.0 KiB
Ruby
68 lines
2.0 KiB
Ruby
# encoding: utf-8
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# Phusion Passenger - https://www.phusionpassenger.com/
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# Copyright (c) 2024-2025 Asynchronous B.V.
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#
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# "Passenger", "Phusion Passenger" and "Union Station" are registered
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# trademarks of Asynchronous B.V.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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module PhusionPassenger
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module Utils
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# A minimal pure-Ruby StringScanner implementation so that
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# PhusionPassenger::Utils::JSON doesn't have to depend on the 'strscan' gem.
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class StringScanner
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attr_reader :pos, :matched
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def initialize(data)
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@data = data
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@pos = 0
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@matched = nil
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end
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def getch
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@matched =
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if @pos < @data.size
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@pos += 1
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@data[@pos - 1]
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else
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nil
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end
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end
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def scan(pattern)
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md = @data[@pos .. -1].match(/\A#{pattern}/)
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@matched =
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if md
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@pos += md[0].size
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@matched = md[0]
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else
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nil
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end
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end
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def reset
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@pos = 0
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end
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end
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end # module Utils
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end # module PhusionPassenger
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