pulumi/pkg/codegen/docs/utils.go

144 lines
4.4 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.
// Pulling out some of the repeated strings tokens into constants would harm readability, so we just ignore the
// goconst linter's warning.
//
//nolint:lll, goconst
package docs
import (
"strings"
"unicode"
"github.com/pulumi/pulumi/pkg/v3/codegen"
"github.com/pulumi/pulumi/pkg/v3/codegen/dotnet"
go_gen "github.com/pulumi/pulumi/pkg/v3/codegen/go"
"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
"github.com/pulumi/pulumi/sdk/v3/go/common/slice"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
)
func isDotNetTypeNameBoundary(prev rune, next rune) bool {
// For C# type names, which are PascalCase are qualified using "." as the separator.
return prev == rune('.') && unicode.IsUpper(next)
}
func isPythonTypeNameBoundary(prev rune, next rune) bool {
// For Python, names are snake_cased (Duh?).
return (prev == rune('_') && unicode.IsLower(next))
}
// wbr inserts HTML <wbr> in between case changes, e.g. "fooBar" becomes "foo<wbr>Bar".
func wbr(s string) string {
runes := slice.Prealloc[rune](len(s))
var prev rune
for i, r := range s {
if i != 0 &&
// For TS, JS and Go, property names are camelCase and types are PascalCase.
((unicode.IsLower(prev) && unicode.IsUpper(r)) ||
isDotNetTypeNameBoundary(prev, r) ||
isPythonTypeNameBoundary(prev, r)) {
runes = append(runes, []rune("<wbr>")...)
}
runes = append(runes, r)
prev = r
}
return string(runes)
}
// tokenToName returns the resource name from a Pulumi token.
func tokenToName(tok string) string {
components := strings.Split(tok, ":")
contract.Assertf(len(components) == 3, "malformed token %v", tok)
return components[2]
}
func tokenToPackageName(tok string) string {
components := strings.Split(tok, ":")
contract.Assertf(len(components) == 3, "malformed token %v", tok)
return components[0]
}
func title(s, lang string) string {
switch lang {
case "go":
return go_gen.Title(s)
case "csharp":
return dotnet.Title(s)
default:
return strings.Title(s)
}
}
func modFilenameToDisplayName(name string) string {
parts := strings.Split(name, "/")
return parts[len(parts)-1]
}
func getModuleLink(name string) string {
return strings.ToLower(name) + "/"
}
func getResourceLink(name string) string {
link := strings.ToLower(name)
// Handle URL generation for resources named `index`. We prepend a double underscore
// here, since a link of .../<module>/index has trouble resolving and returns a 404 in
// the browser, likely due to `index` being some sort of reserved keyword.
if link == "index" {
return "--" + link
}
return link
}
func getFunctionLink(name string) string {
return strings.ToLower(name)
}
// isExternalType checks if the type is external to the given package.
func isExternalType(t schema.Type, pkg schema.PackageReference) (isExternal bool) {
switch typ := t.(type) {
case *schema.ObjectType:
return typ.PackageReference != nil && !codegen.PkgEquals(typ.PackageReference, pkg)
case *schema.ResourceType:
return typ.Resource != nil && pkg != nil && !codegen.PkgEquals(typ.Resource.PackageReference, pkg)
case *schema.EnumType:
return pkg != nil && !codegen.PkgEquals(typ.PackageReference, pkg)
}
return
}
// Iterate character by character and remove underscores if that underscore
// is at the very front of an identifier, follows a special character, and is not a delimeter
// within an identifier.
func removeLeadingUnderscores(s string) string {
var sb strings.Builder
lastChar := ' '
for _, ch := range s {
if ch != '_' || (unicode.IsLetter(lastChar)) {
sb.WriteRune(ch)
}
lastChar = ch
}
return sb.String()
}
// noCopy tells go vet that any type that contains this type should not be copied.
//
// https://github.com/golang/go/issues/8005#issuecomment-190753527
type noCopy struct{}
// Lock is a type hint for go vet. It need not be called.
func (*noCopy) Lock() {}