From bd8d5ef949da13b5790ca0fe276a83bce04b71b4 Mon Sep 17 00:00:00 2001 From: Jean Boussier Date: Thu, 28 Mar 2024 13:38:57 +0100 Subject: [PATCH] Add compatibility with --enable-frozen-string-literal Fix: https://github.com/boazsegev/combine_pdf/pull/168 Ref: https://bugs.ruby-lang.org/issues/20205 Ruby 3.4 will emit deprecation warnings when mutating string literals, and a future version is likely to make frozen string literals the default. --- .github/workflows/main.yml | 6 +++++- lib/combine_pdf.rb | 1 + lib/combine_pdf/api.rb | 1 + lib/combine_pdf/basic_writer.rb | 1 + lib/combine_pdf/decrypt.rb | 3 ++- lib/combine_pdf/exceptions.rb | 2 ++ lib/combine_pdf/filter.rb | 1 + lib/combine_pdf/fonts.rb | 1 + lib/combine_pdf/page_methods.rb | 1 + lib/combine_pdf/parser.rb | 2 +- lib/combine_pdf/pdf_protected.rb | 1 + lib/combine_pdf/pdf_public.rb | 3 ++- lib/combine_pdf/renderer.rb | 1 + lib/combine_pdf/version.rb | 4 +++- test/combine_pdf/renderer_test.rb | 2 +- 15 files changed, 24 insertions(+), 6 deletions(-) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 6e2e1e1..324604b 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -9,7 +9,11 @@ jobs: strategy: fail-fast: false matrix: - ruby: ["2.7", "3.0", "3.1", "3.2"] + ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"] + rubyopt: [""] + include: + ruby: "3.3" + rubyopt: "--enable-frozen-string-literal --debug-frozen-string-literal" steps: - name: Checkout code diff --git a/lib/combine_pdf.rb b/lib/combine_pdf.rb index 4713803..5a11689 100644 --- a/lib/combine_pdf.rb +++ b/lib/combine_pdf.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true require 'zlib' require 'securerandom' diff --git a/lib/combine_pdf/api.rb b/lib/combine_pdf/api.rb index ac5ff9d..72fc641 100644 --- a/lib/combine_pdf/api.rb +++ b/lib/combine_pdf/api.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true module CombinePDF module_function diff --git a/lib/combine_pdf/basic_writer.rb b/lib/combine_pdf/basic_writer.rb index a822ccf..30661e4 100644 --- a/lib/combine_pdf/basic_writer.rb +++ b/lib/combine_pdf/basic_writer.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true ######################################################## ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code diff --git a/lib/combine_pdf/decrypt.rb b/lib/combine_pdf/decrypt.rb index 70938c3..8976765 100644 --- a/lib/combine_pdf/decrypt.rb +++ b/lib/combine_pdf/decrypt.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true ######################################################## ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code @@ -137,7 +138,7 @@ def decrypt_AES(encrypted, encrypted_id, encrypted_generation, _encrypted_filter object_key = @key.dup object_key << [encrypted_id].pack('i')[0..2] object_key << [encrypted_generation].pack('i')[0..1] - object_key << 'sAlT'.force_encoding(Encoding::ASCII_8BIT) + object_key << 'sAlT'.b key_length = object_key.length < 16 ? object_key.length : 16 begin diff --git a/lib/combine_pdf/exceptions.rb b/lib/combine_pdf/exceptions.rb index 5c8bbe0..5d59747 100644 --- a/lib/combine_pdf/exceptions.rb +++ b/lib/combine_pdf/exceptions.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module CombinePDF class EncryptionError < StandardError end diff --git a/lib/combine_pdf/filter.rb b/lib/combine_pdf/filter.rb index 7ec033b..ebf9be4 100644 --- a/lib/combine_pdf/filter.rb +++ b/lib/combine_pdf/filter.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true ######################################################## ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code diff --git a/lib/combine_pdf/fonts.rb b/lib/combine_pdf/fonts.rb index 3b266de..2544b92 100644 --- a/lib/combine_pdf/fonts.rb +++ b/lib/combine_pdf/fonts.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true ######################################################## ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code diff --git a/lib/combine_pdf/page_methods.rb b/lib/combine_pdf/page_methods.rb index 078bfab..20b3fcb 100644 --- a/lib/combine_pdf/page_methods.rb +++ b/lib/combine_pdf/page_methods.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true ######################################################## ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code diff --git a/lib/combine_pdf/parser.rb b/lib/combine_pdf/parser.rb index 2689750..df2a853 100644 --- a/lib/combine_pdf/parser.rb +++ b/lib/combine_pdf/parser.rb @@ -262,7 +262,7 @@ def _parse_ ########################################## elsif @scanner.scan(/\(/) # warn "Found a literal string" - str = ''.force_encoding(Encoding::ASCII_8BIT) + str = ''.b count = 1 while count > 0 && @scanner.rest? scn = @scanner.scan_until(/[\(\)]/) diff --git a/lib/combine_pdf/pdf_protected.rb b/lib/combine_pdf/pdf_protected.rb index 8e78a28..5de0125 100644 --- a/lib/combine_pdf/pdf_protected.rb +++ b/lib/combine_pdf/pdf_protected.rb @@ -1,4 +1,5 @@ # -*- encoding : utf-8 -*- +# frozen_string_literal: true ######################################################## ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code diff --git a/lib/combine_pdf/pdf_public.rb b/lib/combine_pdf/pdf_public.rb index b4c910e..4dfacd7 100644 --- a/lib/combine_pdf/pdf_public.rb +++ b/lib/combine_pdf/pdf_public.rb @@ -1,5 +1,6 @@ # -*- encoding : utf-8 -*- -######################################################## +## frozen_string_literal: true +####################################################### ## Thoughts from reading the ISO 32000-1:2008 ## this file is part of the CombinePDF library and the code ## is subject to the same license. diff --git a/lib/combine_pdf/renderer.rb b/lib/combine_pdf/renderer.rb index eaa43b7..747c4da 100644 --- a/lib/combine_pdf/renderer.rb +++ b/lib/combine_pdf/renderer.rb @@ -1,3 +1,4 @@ +# frozen_string_literal: true module CombinePDF ################################################################ ## These are common functions, used within the different classes diff --git a/lib/combine_pdf/version.rb b/lib/combine_pdf/version.rb index f5d6e53..61415d1 100644 --- a/lib/combine_pdf/version.rb +++ b/lib/combine_pdf/version.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module CombinePDF - VERSION = '1.0.26'.freeze + VERSION = '1.0.26' end diff --git a/test/combine_pdf/renderer_test.rb b/test/combine_pdf/renderer_test.rb index 53ec41a..bfd4940 100644 --- a/test/combine_pdf/renderer_test.rb +++ b/test/combine_pdf/renderer_test.rb @@ -12,7 +12,7 @@ def test_object(object) def test_numeric_array_to_pdf input = [1.234567, 0.000054, 5, -0.000099] - expected = "[1.234567 0.000054 5 -0.000099]".force_encoding('BINARY') + expected = "[1.234567 0.000054 5 -0.000099]".b actual = TestRenderer.new.test_object(input) assert_equal(expected, actual)