forked from tcncloud/protoc-gen-persist
/
import.go
93 lines (82 loc) · 2.71 KB
/
import.go
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// Copyright 2017, TCN Inc.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of TCN Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package generator
type Import struct {
GoPackageName string
GoImportPath string
}
type Imports []*Import
func EmptyImportList() *Imports {
return &Imports{
&Import{GoImportPath: "fmt", GoPackageName: "fmt"},
}
}
func (il *Imports) Exist(pkg string) bool {
for _, i := range *il {
if i.GoPackageName == pkg {
return true
}
}
return false
}
func (il Imports) String() string {
printer := &Printer{}
printer.PTemplate(
"import({{range $imp := .}}\n\t{{$imp.GoPackageName}} \"{{$imp.GoImportPath}}\"{{end}}\n)\n",
il,
)
return printer.String()
}
func (il *Imports) GetOrAddImport(goPkg, goPath string) string {
for _, i := range *il {
if i.GoImportPath == goPath {
return i.GoPackageName
}
}
for il.Exist(goPkg) {
goPkg = "_" + goPkg
}
if goPath != "" {
*il = append(*il, &Import{GoPackageName: goPkg, GoImportPath: goPath})
}
return goPkg
}
func (il *Imports) GetGoNameByStruct(str *Struct) *Import {
for _, i := range *il {
if i.GoImportPath == str.GetGoPath() {
return i
}
}
return nil
}
func (il *Imports) GetImportPkgForPath(path string) string {
for _, i := range *il {
if i.GoImportPath == path {
return i.GoPackageName
}
}
return "__invalid__import__"
}