pulumi/pkg/codegen/docs.go

103 lines
3.8 KiB
Go

// Copyright 2016-2020, Pulumi Corporation.
//
// 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 codegen
import (
"github.com/pgavlin/goldmark/ast"
"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
)
// DocLanguageHelper is an interface for extracting language-specific information from a Pulumi schema.
// See the implementation for this interface under each of the language code generators.
type DocLanguageHelper interface {
GetPropertyName(p *schema.Property) (string, error)
GetEnumName(e *schema.Enum, typeName string) (string, error)
GetDocLinkForResourceType(pkg *schema.Package, moduleName, typeName string) string
GetDocLinkForPulumiType(pkg *schema.Package, typeName string) string
GetDocLinkForResourceInputOrOutputType(pkg *schema.Package, moduleName, typeName string, input bool) string
GetDocLinkForFunctionInputOrOutputType(pkg *schema.Package, moduleName, typeName string, input bool) string
GetLanguageTypeString(pkg *schema.Package, moduleName string, t schema.Type, input bool) string
GetFunctionName(modName string, f *schema.Function) string
// GetResourceFunctionResultName returns the name of the result type when a static resource function is used to lookup
// an existing resource.
GetResourceFunctionResultName(modName string, f *schema.Function) string
GetMethodName(m *schema.Method) string
GetMethodResultName(pkg *schema.Package, modName string, r *schema.Resource, m *schema.Method) string
// GetModuleDocLink returns the display name and the link for a module (including root modules) in a given package.
GetModuleDocLink(pkg *schema.Package, modName string) (string, string)
}
func filterExamples(source []byte, node ast.Node, lang string) {
var c, next ast.Node
for c = node.FirstChild(); c != nil; c = next {
filterExamples(source, c, lang)
next = c.NextSibling()
switch c := c.(type) {
case *ast.FencedCodeBlock:
sourceLang := string(c.Language(source))
if sourceLang != lang && sourceLang != "sh" {
node.RemoveChild(node, c)
}
case *schema.Shortcode:
switch string(c.Name) {
case schema.ExampleShortcode:
hasCode := false
for gc := c.FirstChild(); gc != nil; gc = gc.NextSibling() {
if gc.Kind() == ast.KindFencedCodeBlock {
hasCode = true
break
}
}
if hasCode {
var grandchild, nextGrandchild ast.Node
for grandchild = c.FirstChild(); grandchild != nil; grandchild = nextGrandchild {
nextGrandchild = grandchild.NextSibling()
node.InsertBefore(node, c, grandchild)
}
}
node.RemoveChild(node, c)
case schema.ExamplesShortcode:
if first := c.FirstChild(); first != nil {
first.SetBlankPreviousLines(c.HasBlankPreviousLines())
}
var grandchild, nextGrandchild ast.Node
for grandchild = c.FirstChild(); grandchild != nil; grandchild = nextGrandchild {
nextGrandchild = grandchild.NextSibling()
node.InsertBefore(node, c, grandchild)
}
node.RemoveChild(node, c)
}
}
}
}
// FilterExamples filters the code snippets in a schema docstring to include only those that target the given language.
func FilterExamples(description string, lang string) string {
if description == "" {
return ""
}
source := []byte(description)
parsed := schema.ParseDocs(source)
filterExamples(source, parsed, lang)
return schema.RenderDocsToString(source, parsed)
}