diff options
Diffstat (limited to 'markup/asciidocext')
-rw-r--r-- | markup/asciidocext/asciidocext_config/config.go | 83 | ||||
-rw-r--r-- | markup/asciidocext/convert.go | 184 | ||||
-rw-r--r-- | markup/asciidocext/convert_test.go | 210 |
3 files changed, 477 insertions, 0 deletions
diff --git a/markup/asciidocext/asciidocext_config/config.go b/markup/asciidocext/asciidocext_config/config.go new file mode 100644 index 000000000..8cc3e79e6 --- /dev/null +++ b/markup/asciidocext/asciidocext_config/config.go @@ -0,0 +1,83 @@ +// Copyright 2020 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package asciidoc_config holds asciidoc related configuration. +package asciidocext_config + +// DefaultConfig holds the default asciidoc configuration. +// These values are asciidoctor cli defaults (see https://asciidoctor.org/docs/user-manual/) +var ( + Default = Config{ + Backend: "html5", + DocType: "article", + Extensions: []string{}, + Attributes: map[string]string{}, + NoHeaderOrFooter: true, + SafeMode: "unsafe", + SectionNumbers: false, + Verbose: true, + Trace: false, + FailureLevel: "fatal", + WorkingFolderCurrent: false, + } + + AllowedExtensions = map[string]bool{ + "asciidoctor-html5s": true, + "asciidoctor-diagram": true, + "asciidoctor-interdoc-reftext": true, + "asciidoctor-katex": true, + "asciidoctor-latex": true, + "asciidoctor-question": true, + "asciidoctor-rouge": true, + } + + AllowedSafeMode = map[string]bool{ + "unsafe": true, + "safe": true, + "server": true, + "secure": true, + } + + AllowedFailureLevel = map[string]bool{ + "fatal": true, + "warn": true, + } + + AllowedBackend = map[string]bool{ + "html5": true, + "html5s": true, + "xhtml5": true, + "docbook5": true, + "docbook45": true, + "manpage": true, + } + + DisallowedAttributes = map[string]bool{ + "outdir": true, + } +) + +// Config configures asciidoc. +type Config struct { + Backend string + DocType string + Extensions []string + Attributes map[string]string + NoHeaderOrFooter bool + SafeMode string + SectionNumbers bool + Verbose bool + Trace bool + FailureLevel string + WorkingFolderCurrent bool +} diff --git a/markup/asciidocext/convert.go b/markup/asciidocext/convert.go new file mode 100644 index 000000000..5c794819b --- /dev/null +++ b/markup/asciidocext/convert.go @@ -0,0 +1,184 @@ +// Copyright 2020 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package asciidocext converts Asciidoc to HTML using Asciidoc or Asciidoctor +// external binaries. The `asciidoc` module is reserved for a future golang +// implementation. +package asciidocext + +import ( + "os/exec" + "path/filepath" + + "github.com/gohugoio/hugo/identity" + "github.com/gohugoio/hugo/markup/asciidocext/asciidocext_config" + "github.com/gohugoio/hugo/markup/converter" + "github.com/gohugoio/hugo/markup/internal" +) + +/* ToDo: RelPermalink patch for svg posts not working*/ +type pageSubset interface { + RelPermalink() string +} + +// Provider is the package entry point. +var Provider converter.ProviderProvider = provider{} + +type provider struct{} + +func (p provider) New(cfg converter.ProviderConfig) (converter.Provider, error) { + return converter.NewProvider("asciidocext", func(ctx converter.DocumentContext) (converter.Converter, error) { + return &asciidocConverter{ + ctx: ctx, + cfg: cfg, + }, nil + }), nil +} + +type asciidocConverter struct { + ctx converter.DocumentContext + cfg converter.ProviderConfig +} + +func (a *asciidocConverter) Convert(ctx converter.RenderContext) (converter.Result, error) { + return converter.Bytes(a.getAsciidocContent(ctx.Src, a.ctx)), nil +} + +func (c *asciidocConverter) Supports(feature identity.Identity) bool { + return false +} + +// getAsciidocContent calls asciidoctor or asciidoc as an external helper +// to convert AsciiDoc content to HTML. +func (a *asciidocConverter) getAsciidocContent(src []byte, ctx converter.DocumentContext) []byte { + path := getAsciidoctorExecPath() + if path == "" { + a.cfg.Logger.ERROR.Println("asciidoctor / asciidoc not found in $PATH: Please install.\n", + " Leaving AsciiDoc content unrendered.") + return src + } + + args := a.parseArgs(ctx) + args = append(args, "--trace") + args = append(args, "-") + + a.cfg.Logger.INFO.Println("Rendering", ctx.DocumentName, "with", path, "using asciidoctor args", args, "...") + + return internal.ExternallyRenderContent(a.cfg, ctx, src, path, args) +} + +func (a *asciidocConverter) parseArgs(ctx converter.DocumentContext) []string { + var cfg = a.cfg.MarkupConfig.AsciidocExt + args := []string{} + + if asciidocext_config.AllowedBackend[cfg.Backend] && cfg.Backend != asciidocext_config.Default.Backend { + args = append(args, "-b", cfg.Backend) + } + + for _, extension := range cfg.Extensions { + if !asciidocext_config.AllowedExtensions[extension] { + a.cfg.Logger.ERROR.Println("Unsupported asciidoctor extension was passed in. Extension `" + extension + "` ignored.") + continue + } + + args = append(args, "-r", extension) + } + + for attributeKey, attributeValue := range cfg.Attributes { + if asciidocext_config.DisallowedAttributes[attributeKey] { + a.cfg.Logger.ERROR.Println("Unsupported asciidoctor attribute was passed in. Attribute `" + attributeKey + "` ignored.") + continue + } + + args = append(args, "-a", attributeKey+"="+attributeValue) + } + + if cfg.WorkingFolderCurrent { + contentDir := filepath.Dir(ctx.Filename) + sourceDir := a.cfg.Cfg.GetString("source") + destinationDir := a.cfg.Cfg.GetString("destination") + + if destinationDir == "" { + a.cfg.Logger.ERROR.Println("markup.asciidocext.workingFolderCurrent requires hugo command option --destination to be set") + } + if !filepath.IsAbs(destinationDir) && sourceDir != "" { + destinationDir = filepath.Join(sourceDir, destinationDir) + } + + var outDir string + var err error + + file := filepath.Base(ctx.Filename) + if a.cfg.Cfg.GetBool("uglyUrls") || file == "_index.adoc" || file == "index.adoc" { + outDir, err = filepath.Abs(filepath.Dir(filepath.Join(destinationDir, ctx.DocumentName))) + + } else { + postDir := "" + page, ok := ctx.Document.(pageSubset) + if ok { + postDir = filepath.Base(page.RelPermalink()) + } else { + a.cfg.Logger.ERROR.Println("unable to cast interface to pageSubset") + } + + outDir, err = filepath.Abs(filepath.Join(destinationDir, filepath.Dir(ctx.DocumentName), postDir)) + } + + if err != nil { + a.cfg.Logger.ERROR.Println("asciidoctor outDir: ", err) + } + + args = append(args, "--base-dir", contentDir, "-a", "outdir="+outDir) + } + + if cfg.NoHeaderOrFooter { + args = append(args, "--no-header-footer") + } else { + a.cfg.Logger.WARN.Println("asciidoctor parameter NoHeaderOrFooter is expected for correct html rendering") + } + + if cfg.SectionNumbers != asciidocext_config.Default.SectionNumbers { + args = append(args, "--section-numbers") + } + + if cfg.Verbose != asciidocext_config.Default.Verbose { + args = append(args, "-v") + } + + if cfg.Trace != asciidocext_config.Default.Trace { + args = append(args, "--trace") + } + + if asciidocext_config.AllowedFailureLevel[cfg.FailureLevel] && cfg.FailureLevel != asciidocext_config.Default.FailureLevel { + args = append(args, "--failure-level", cfg.FailureLevel) + } + + if asciidocext_config.AllowedSafeMode[cfg.SafeMode] && cfg.SafeMode != asciidocext_config.Default.SafeMode { + args = append(args, "--safe-mode", cfg.SafeMode) + } + + return args +} + +func getAsciidoctorExecPath() string { + path, err := exec.LookPath("asciidoctor") + if err != nil { + return "" + } + return path +} + +// Supports returns whether Asciidoctor is installed on this computer. +func Supports() bool { + return getAsciidoctorExecPath() != "" +} diff --git a/markup/asciidocext/convert_test.go b/markup/asciidocext/convert_test.go new file mode 100644 index 000000000..7fa1035c3 --- /dev/null +++ b/markup/asciidocext/convert_test.go @@ -0,0 +1,210 @@ +// Copyright 2020 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package asciidocext converts Asciidoc to HTML using Asciidoc or Asciidoctor +// external binaries. The `asciidoc` module is reserved for a future golang +// implementation. + +package asciidocext + +import ( + "github.com/gohugoio/hugo/markup/markup_config" + "path/filepath" + "strings" + "testing" + + "github.com/gohugoio/hugo/common/loggers" + "github.com/gohugoio/hugo/markup/converter" + "github.com/spf13/viper" + + qt "github.com/frankban/quicktest" +) + +func TestAsciidoctorDefaultArgs(t *testing.T) { + c := qt.New(t) + cfg := viper.New() + mconf := markup_config.Default + + p, err := Provider.New( + converter.ProviderConfig{ + Cfg: cfg, + MarkupConfig: mconf, + Logger: loggers.NewErrorLogger(), + }, + ) + c.Assert(err, qt.IsNil) + + conv, err := p.New(converter.DocumentContext{}) + c.Assert(err, qt.IsNil) + + ac := conv.(*asciidocConverter) + c.Assert(ac, qt.Not(qt.IsNil)) + + args := ac.parseArgs(converter.DocumentContext{}) + c.Assert(args, qt.Not(qt.IsNil)) + c.Assert(strings.Join(args, " "), qt.Equals, "--no-header-footer") +} + +func TestAsciidoctorDiagramArgs(t *testing.T) { + c := qt.New(t) + cfg := viper.New() + mconf := markup_config.Default + mconf.AsciidocExt.NoHeaderOrFooter = true + mconf.AsciidocExt.Extensions = []string{"asciidoctor-html5s", "asciidoctor-diagram"} + mconf.AsciidocExt.Backend = "html5s" + + p, err := Provider.New( + converter.ProviderConfig{ + Cfg: cfg, + MarkupConfig: mconf, + Logger: loggers.NewErrorLogger(), + }, + ) + c.Assert(err, qt.IsNil) + + conv, err := p.New(converter.DocumentContext{}) + c.Assert(err, qt.IsNil) + + ac := conv.(*asciidocConverter) + c.Assert(ac, qt.Not(qt.IsNil)) + + args := ac.parseArgs(converter.DocumentContext{}) + c.Assert(len(args), qt.Equals, 7) + c.Assert(strings.Join(args, " "), qt.Equals, "-b html5s -r asciidoctor-html5s -r asciidoctor-diagram --no-header-footer") +} + +func TestAsciidoctorWorkingFolderCurrent(t *testing.T) { + c := qt.New(t) + cfg := viper.New() + mconf := markup_config.Default + mconf.AsciidocExt.WorkingFolderCurrent = true + p, err := Provider.New( + converter.ProviderConfig{ + Cfg: cfg, + MarkupConfig: mconf, + Logger: loggers.NewErrorLogger(), + }, + ) + c.Assert(err, qt.IsNil) + + ctx := converter.DocumentContext{Filename: "/tmp/hugo_asciidoc_ddd/docs/chapter2/index.adoc", DocumentName: "chapter2/index.adoc"} + conv, err := p.New(ctx) + c.Assert(err, qt.IsNil) + + ac := conv.(*asciidocConverter) + c.Assert(ac, qt.Not(qt.IsNil)) + + args := ac.parseArgs(ctx) + c.Assert(len(args), qt.Equals, 5) + c.Assert(args[0], qt.Equals, "--base-dir") + c.Assert(filepath.ToSlash(args[1]), qt.Matches, "/tmp/hugo_asciidoc_ddd/docs/chapter2") + c.Assert(args[2], qt.Equals, "-a") + c.Assert(args[3], qt.Matches, `outdir=.*[/\\]{1,2}asciidocext[/\\]{1,2}chapter2`) + c.Assert(args[4], qt.Equals, "--no-header-footer") +} + +func TestAsciidoctorWorkingFolderCurrentAndExtensions(t *testing.T) { + c := qt.New(t) + cfg := viper.New() + mconf := markup_config.Default + mconf.AsciidocExt.NoHeaderOrFooter = true + mconf.AsciidocExt.Extensions = []string{"asciidoctor-html5s", "asciidoctor-diagram"} + mconf.AsciidocExt.Backend = "html5s" + mconf.AsciidocExt.WorkingFolderCurrent = true + p, err := Provider.New( + converter.ProviderConfig{ + Cfg: cfg, + MarkupConfig: mconf, + Logger: loggers.NewErrorLogger(), + }, + ) + c.Assert(err, qt.IsNil) + + conv, err := p.New(converter.DocumentContext{}) + c.Assert(err, qt.IsNil) + + ac := conv.(*asciidocConverter) + c.Assert(ac, qt.Not(qt.IsNil)) + + args := ac.parseArgs(converter.DocumentContext{}) + c.Assert(len(args), qt.Equals, 11) + c.Assert(args[0], qt.Equals, "-b") + c.Assert(args[1], qt.Equals, "html5s") + c.Assert(args[2], qt.Equals, "-r") + c.Assert(args[3], qt.Equals, "asciidoctor-html5s") + c.Assert(args[4], qt.Equals, "-r") + c.Assert(args[5], qt.Equals, "asciidoctor-diagram") + c.Assert(args[6], qt.Equals, "--base-dir") + c.Assert(args[7], qt.Equals, ".") + c.Assert(args[8], qt.Equals, "-a") + c.Assert(args[9], qt.Contains, "outdir=") + c.Assert(args[10], qt.Equals, "--no-header-footer") +} + +func TestAsciidoctorAttributes(t *testing.T) { + c := qt.New(t) + cfg := viper.New() + mconf := markup_config.Default + mconf.AsciidocExt.Attributes = map[string]string{"my-base-url": "https://gohugo.io/", "my-attribute-name": "my value"} + p, err := Provider.New( + converter.ProviderConfig{ + Cfg: cfg, + MarkupConfig: mconf, + Logger: loggers.NewErrorLogger(), + }, + ) + c.Assert(err, qt.IsNil) + + conv, err := p.New(converter.DocumentContext{}) + c.Assert(err, qt.IsNil) + + ac := conv.(*asciidocConverter) + c.Assert(ac, qt.Not(qt.IsNil)) + + expectedValues := map[string]bool{ + "my-base-url=https://gohugo.io/": true, + "my-attribute-name=my value": true, + } + + args := ac.parseArgs(converter.DocumentContext{}) + c.Assert(len(args), qt.Equals, 5) + c.Assert(args[0], qt.Equals, "-a") + c.Assert(expectedValues[args[1]], qt.Equals, true) + c.Assert(args[2], qt.Equals, "-a") + c.Assert(expectedValues[args[3]], qt.Equals, true) + c.Assert(args[4], qt.Equals, "--no-header-footer") + +} + +func TestConvert(t *testing.T) { + if !Supports() { + t.Skip("asciidoc/asciidoctor not installed") + } + c := qt.New(t) + + mconf := markup_config.Default + p, err := Provider.New( + converter.ProviderConfig{ + MarkupConfig: mconf, + Logger: loggers.NewErrorLogger(), + }, + ) + c.Assert(err, qt.IsNil) + + conv, err := p.New(converter.DocumentContext{}) + c.Assert(err, qt.IsNil) + + b, err := conv.Convert(converter.RenderContext{Src: []byte("testContent")}) + c.Assert(err, qt.IsNil) + c.Assert(string(b.Bytes()), qt.Equals, "<div class=\"paragraph\">\n<p>testContent</p>\n</div>\n") +} |