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ffi-clang/lib/ffi/clang/unsaved_file.rb

46 lines
1.5 KiB
Ruby

# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2013, by Carlos Martín Nieto.
# Copyright, 2013-2025, by Samuel Williams.
# Copyright, 2014, by Masahiro Sano.
module FFI
module Clang
# Represents an unsaved file with in-memory contents for parsing.
class UnsavedFile
# Initialize an unsaved file with filename and contents.
# @parameter filename [String] The path to the unsaved file.
# @parameter contents [String] The in-memory contents of the file.
def initialize(filename, contents)
@filename = filename
@contents = contents
end
# @attribute [String] The path to the unsaved file.
attr_accessor :filename
# @attribute [String] The in-memory contents of the file.
attr_accessor :contents
# Convert an array of unsaved files to a libclang pointer structure.
# @parameter unsaved [Array(UnsavedFile)] The array of unsaved files.
# @returns [FFI::MemoryPointer | Nil] A pointer to the unsaved file structures, or `nil` if empty.
def self.unsaved_pointer_from(unsaved)
return nil if unsaved.length == 0
vec = MemoryPointer.new(Lib::CXUnsavedFile, unsaved.length)
unsaved.each_with_index do |file, i|
uf = Lib::CXUnsavedFile.new(vec + i * Lib::CXUnsavedFile.size)
uf[:filename] = MemoryPointer.from_string(file.filename)
uf[:contents] = MemoryPointer.from_string(file.contents)
uf[:length] = file.contents.length
end
vec
end
end
end
end