Sha256: 20604fede73c0996b37eb4ac8640281649eb983e7a95644e96be65666153d880
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Versions: 13
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Stored size: 1.73 KB
Contents
module Nokogiri
module XSLT
class Stylesheet
attr_accessor :cstruct # :nodoc:
def self.parse_stylesheet_doc(document) # :nodoc:
LibXML.exsltRegisterAll
generic_exception_handler = lambda do |ctx, msg|
raise RuntimeError.new(msg) # TODO: varargs
end
LibXML.xsltSetGenericErrorFunc(nil, generic_exception_handler)
ss = LibXML.xsltParseStylesheetDoc(LibXML.xmlCopyDoc(document.cstruct, 1)) # 1 => recursive
LibXML.xsltSetGenericErrorFunc(nil, nil)
obj = allocate
obj.cstruct = LibXML::XsltStylesheet.new(ss)
obj
end
def serialize(document) # :nodoc:
buf_ptr = FFI::Buffer.new :pointer
buf_len = FFI::Buffer.new :int
LibXML.xsltSaveResultToString(buf_ptr, buf_len, document.cstruct, cstruct)
buf = Nokogiri::LibXML::XmlAlloc.new(buf_ptr.get_pointer(0))
buf.pointer.read_string(buf_len.get_int(0))
end
def transform(document, params=[]) # :nodoc:
params = params.to_a.flatten if params.is_a?(Hash)
raise(TypeError) unless params.is_a?(Array)
param_arr = FFI::MemoryPointer.new(:pointer, params.length + 1, false)
# Keep the MemoryPointer instances alive until after the call
ptrs = params.map { |param | FFI::MemoryPointer.from_string(param.to_s) }
param_arr.put_array_of_pointer(0, ptrs)
# Terminate the list with a NULL pointer
param_arr.put_pointer(LibXML.pointer_offset(params.length), nil)
ptr = LibXML.xsltApplyStylesheet(cstruct, document.cstruct, param_arr)
raise(RuntimeError, "could not perform xslt transform on document") if ptr.null?
XML::Document.wrap(ptr)
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems