mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-27 06:33:00 +00:00
283 lines
7.2 KiB
Go
283 lines
7.2 KiB
Go
// Copyright 2019 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 page_generate
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"reflect"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/gohugoio/hugo/common/maps"
|
|
|
|
"github.com/gohugoio/hugo/codegen"
|
|
"github.com/gohugoio/hugo/resources/page"
|
|
"github.com/gohugoio/hugo/source"
|
|
)
|
|
|
|
const header = `// Copyright 2019 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.
|
|
|
|
// This file is autogenerated.
|
|
`
|
|
|
|
var (
|
|
fileInterfaceDeprecated = reflect.TypeOf((*source.FileWithoutOverlap)(nil)).Elem()
|
|
pageInterfaceDeprecated = reflect.TypeOf((*page.DeprecatedWarningPageMethods)(nil)).Elem()
|
|
pageInterface = reflect.TypeOf((*page.Page)(nil)).Elem()
|
|
|
|
packageDir = filepath.FromSlash("resources/page")
|
|
)
|
|
|
|
func Generate(c *codegen.Inspector) error {
|
|
if err := generateMarshalJSON(c); err != nil {
|
|
return errors.Wrap(err, "failed to generate JSON marshaler")
|
|
|
|
}
|
|
|
|
if err := generateDeprecatedWrappers(c); err != nil {
|
|
return errors.Wrap(err, "failed to generate deprecate wrappers")
|
|
}
|
|
|
|
if err := generateFileIsZeroWrappers(c); err != nil {
|
|
return errors.Wrap(err, "failed to generate file wrappers")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func generateMarshalJSON(c *codegen.Inspector) error {
|
|
filename := filepath.Join(c.ProjectRootDir, packageDir, "page_marshaljson.autogen.go")
|
|
f, err := os.Create(filename)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
includes := []reflect.Type{pageInterface}
|
|
|
|
// Exclude these methods
|
|
excludes := []reflect.Type{
|
|
// We need to eveluate the deprecated vs JSON in the future,
|
|
// but leave them out for now.
|
|
pageInterfaceDeprecated,
|
|
|
|
// Leave this out for now. We need to revisit the author issue.
|
|
reflect.TypeOf((*page.AuthorProvider)(nil)).Elem(),
|
|
|
|
// navigation.PageMenus
|
|
|
|
// Prevent loops.
|
|
reflect.TypeOf((*page.SitesProvider)(nil)).Elem(),
|
|
reflect.TypeOf((*page.Positioner)(nil)).Elem(),
|
|
|
|
reflect.TypeOf((*page.ChildCareProvider)(nil)).Elem(),
|
|
reflect.TypeOf((*page.TreeProvider)(nil)).Elem(),
|
|
reflect.TypeOf((*page.InSectionPositioner)(nil)).Elem(),
|
|
reflect.TypeOf((*page.PaginatorProvider)(nil)).Elem(),
|
|
reflect.TypeOf((*maps.Scratcher)(nil)).Elem(),
|
|
}
|
|
|
|
methods := c.MethodsFromTypes(
|
|
includes,
|
|
excludes)
|
|
|
|
if len(methods) == 0 {
|
|
return errors.New("no methods found")
|
|
}
|
|
|
|
marshalJSON, pkgImports := methods.ToMarshalJSON(
|
|
"Page",
|
|
"github.com/gohugoio/hugo/resources/page",
|
|
// Exclusion regexps. Matches method names.
|
|
`\bPage\b`,
|
|
)
|
|
|
|
fmt.Fprintf(f, `%s
|
|
|
|
package page
|
|
|
|
%s
|
|
|
|
|
|
%s
|
|
|
|
|
|
`, header, importsString(pkgImports), marshalJSON)
|
|
|
|
return nil
|
|
}
|
|
|
|
func generateDeprecatedWrappers(c *codegen.Inspector) error {
|
|
filename := filepath.Join(c.ProjectRootDir, packageDir, "page_wrappers.autogen.go")
|
|
f, err := os.Create(filename)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
// Generate a wrapper for deprecated page methods
|
|
|
|
reasons := map[string]string{
|
|
"IsDraft": "Use .Draft.",
|
|
"Hugo": "Use the global hugo function.",
|
|
"LanguagePrefix": "Use .Site.LanguagePrefix.",
|
|
"GetParam": "Use .Param or .Params.myParam.",
|
|
"RSSLink": `Use the Output Format's link, e.g. something like:
|
|
{{ with .OutputFormats.Get "RSS" }}{{ .RelPermalink }}{{ end }}`,
|
|
"URL": "Use .Permalink or .RelPermalink. If what you want is the front matter URL value, use .Params.url",
|
|
}
|
|
|
|
deprecated := func(name string, tp reflect.Type) string {
|
|
var alternative string
|
|
if tp == fileInterfaceDeprecated {
|
|
alternative = "Use .File." + name
|
|
} else {
|
|
var found bool
|
|
alternative, found = reasons[name]
|
|
if !found {
|
|
panic(fmt.Sprintf("no deprecated reason found for %q", name))
|
|
}
|
|
}
|
|
|
|
return fmt.Sprintf("helpers.Deprecated(%q, %q, false)", "Page."+name, alternative)
|
|
}
|
|
|
|
var buff bytes.Buffer
|
|
|
|
methods := c.MethodsFromTypes([]reflect.Type{fileInterfaceDeprecated, pageInterfaceDeprecated}, nil)
|
|
|
|
for _, m := range methods {
|
|
fmt.Fprint(&buff, m.Declaration("*pageDeprecated"))
|
|
fmt.Fprintln(&buff, " {")
|
|
fmt.Fprintf(&buff, "\t%s\n", deprecated(m.Name, m.Owner))
|
|
fmt.Fprintf(&buff, "\t%s\n}\n", m.Delegate("p", "p"))
|
|
|
|
}
|
|
|
|
pkgImports := append(methods.Imports(), "github.com/gohugoio/hugo/helpers")
|
|
|
|
fmt.Fprintf(f, `%s
|
|
|
|
package page
|
|
|
|
%s
|
|
// NewDeprecatedWarningPage adds deprecation warnings to the given implementation.
|
|
func NewDeprecatedWarningPage(p DeprecatedWarningPageMethods) DeprecatedWarningPageMethods {
|
|
return &pageDeprecated{p: p}
|
|
}
|
|
|
|
type pageDeprecated struct {
|
|
p DeprecatedWarningPageMethods
|
|
}
|
|
|
|
%s
|
|
|
|
`, header, importsString(pkgImports), buff.String())
|
|
|
|
return nil
|
|
}
|
|
|
|
func generateFileIsZeroWrappers(c *codegen.Inspector) error {
|
|
filename := filepath.Join(c.ProjectRootDir, packageDir, "zero_file.autogen.go")
|
|
f, err := os.Create(filename)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
// Generate warnings for zero file access
|
|
|
|
warning := func(name string, tp reflect.Type) string {
|
|
msg := fmt.Sprintf(".File.%s on zero object. Wrap it in if or with: {{ with .File }}{{ .%s }}{{ end }}", name, name)
|
|
|
|
return fmt.Sprintf("z.log.Println(%q)", msg)
|
|
}
|
|
|
|
var buff bytes.Buffer
|
|
|
|
methods := c.MethodsFromTypes([]reflect.Type{reflect.TypeOf((*source.File)(nil)).Elem()}, nil)
|
|
|
|
for _, m := range methods {
|
|
if m.Name == "IsZero" {
|
|
continue
|
|
}
|
|
fmt.Fprint(&buff, m.DeclarationNamed("zeroFile"))
|
|
fmt.Fprintln(&buff, " {")
|
|
fmt.Fprintf(&buff, "\t%s\n", warning(m.Name, m.Owner))
|
|
if len(m.Out) > 0 {
|
|
fmt.Fprintln(&buff, "\treturn")
|
|
}
|
|
fmt.Fprintln(&buff, "}")
|
|
|
|
}
|
|
|
|
pkgImports := append(methods.Imports(), "github.com/gohugoio/hugo/helpers", "github.com/gohugoio/hugo/source")
|
|
|
|
fmt.Fprintf(f, `%s
|
|
|
|
package page
|
|
|
|
%s
|
|
|
|
// ZeroFile represents a zero value of source.File with warnings if invoked.
|
|
type zeroFile struct {
|
|
log *helpers.DistinctLogger
|
|
}
|
|
|
|
func NewZeroFile(log *helpers.DistinctLogger) source.File {
|
|
return zeroFile{log: log}
|
|
}
|
|
|
|
func (zeroFile) IsZero() bool {
|
|
return true
|
|
}
|
|
|
|
%s
|
|
|
|
`, header, importsString(pkgImports), buff.String())
|
|
|
|
return nil
|
|
}
|
|
|
|
func importsString(imps []string) string {
|
|
if len(imps) == 0 {
|
|
return ""
|
|
}
|
|
|
|
if len(imps) == 1 {
|
|
return fmt.Sprintf("import %q", imps[0])
|
|
}
|
|
|
|
impsStr := "import (\n"
|
|
for _, imp := range imps {
|
|
impsStr += fmt.Sprintf("%q\n", imp)
|
|
}
|
|
|
|
return impsStr + ")"
|
|
}
|