Update go-ini dependency and remove semicolon hack in translations (#2913)
Lauris BH
6 years ago
committed by
Lunny Xiao
parent
bd23e36bec
commit
a6f337046f
@ -0,0 +1,12 @@
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.PHONY: build test bench vet
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build: vet bench
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test:
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go test -v -cover
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bench:
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go test -v -cover -test.bench=. -test.benchmem
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vet:
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go vet
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@ -0,0 +1,392 @@
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// Copyright 2017 Unknwon
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package ini
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"strings"
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"sync"
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)
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// File represents a combination of a or more INI file(s) in memory.
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type File struct {
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options LoadOptions
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dataSources []dataSource
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// Should make things safe, but sometimes doesn't matter.
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BlockMode bool
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lock sync.RWMutex
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// To keep data in order.
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sectionList []string
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// Actual data is stored here.
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sections map[string]*Section
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NameMapper
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ValueMapper
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}
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// newFile initializes File object with given data sources.
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func newFile(dataSources []dataSource, opts LoadOptions) *File {
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return &File{
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BlockMode: true,
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dataSources: dataSources,
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sections: make(map[string]*Section),
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sectionList: make([]string, 0, 10),
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options: opts,
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}
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}
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// Empty returns an empty file object.
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func Empty() *File {
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// Ignore error here, we sure our data is good.
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f, _ := Load([]byte(""))
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return f
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}
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// NewSection creates a new section.
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func (f *File) NewSection(name string) (*Section, error) {
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if len(name) == 0 {
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return nil, errors.New("error creating new section: empty section name")
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} else if f.options.Insensitive && name != DEFAULT_SECTION {
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name = strings.ToLower(name)
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}
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if f.BlockMode {
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f.lock.Lock()
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defer f.lock.Unlock()
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}
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if inSlice(name, f.sectionList) {
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return f.sections[name], nil
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}
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f.sectionList = append(f.sectionList, name)
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f.sections[name] = newSection(f, name)
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return f.sections[name], nil
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}
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// NewRawSection creates a new section with an unparseable body.
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func (f *File) NewRawSection(name, body string) (*Section, error) {
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section, err := f.NewSection(name)
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if err != nil {
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return nil, err
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}
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section.isRawSection = true
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section.rawBody = body
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return section, nil
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}
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// NewSections creates a list of sections.
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func (f *File) NewSections(names ...string) (err error) {
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for _, name := range names {
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if _, err = f.NewSection(name); err != nil {
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return err
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}
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}
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return nil
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}
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// GetSection returns section by given name.
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func (f *File) GetSection(name string) (*Section, error) {
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if len(name) == 0 {
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name = DEFAULT_SECTION
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}
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if f.options.Insensitive {
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name = strings.ToLower(name)
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}
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if f.BlockMode {
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f.lock.RLock()
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defer f.lock.RUnlock()
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}
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sec := f.sections[name]
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if sec == nil {
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return nil, fmt.Errorf("section '%s' does not exist", name)
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}
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return sec, nil
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}
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// Section assumes named section exists and returns a zero-value when not.
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func (f *File) Section(name string) *Section {
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sec, err := f.GetSection(name)
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if err != nil {
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// Note: It's OK here because the only possible error is empty section name,
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// but if it's empty, this piece of code won't be executed.
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sec, _ = f.NewSection(name)
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return sec
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}
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return sec
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}
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// Section returns list of Section.
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func (f *File) Sections() []*Section {
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sections := make([]*Section, len(f.sectionList))
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for i := range f.sectionList {
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sections[i] = f.Section(f.sectionList[i])
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}
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return sections
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}
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// ChildSections returns a list of child sections of given section name.
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func (f *File) ChildSections(name string) []*Section {
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return f.Section(name).ChildSections()
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}
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// SectionStrings returns list of section names.
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func (f *File) SectionStrings() []string {
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list := make([]string, len(f.sectionList))
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copy(list, f.sectionList)
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return list
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}
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// DeleteSection deletes a section.
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func (f *File) DeleteSection(name string) {
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if f.BlockMode {
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f.lock.Lock()
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defer f.lock.Unlock()
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}
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if len(name) == 0 {
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name = DEFAULT_SECTION
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}
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for i, s := range f.sectionList {
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if s == name {
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f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
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delete(f.sections, name)
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return
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}
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}
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}
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func (f *File) reload(s dataSource) error {
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r, err := s.ReadCloser()
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if err != nil {
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return err
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}
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defer r.Close()
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return f.parse(r)
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}
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// Reload reloads and parses all data sources.
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func (f *File) Reload() (err error) {
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for _, s := range f.dataSources {
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if err = f.reload(s); err != nil {
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// In loose mode, we create an empty default section for nonexistent files.
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if os.IsNotExist(err) && f.options.Loose {
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f.parse(bytes.NewBuffer(nil))
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continue
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}
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return err
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}
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}
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return nil
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}
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// Append appends one or more data sources and reloads automatically.
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func (f *File) Append(source interface{}, others ...interface{}) error {
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ds, err := parseDataSource(source)
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if err != nil {
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return err
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}
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f.dataSources = append(f.dataSources, ds)
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for _, s := range others {
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ds, err = parseDataSource(s)
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if err != nil {
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return err
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}
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f.dataSources = append(f.dataSources, ds)
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}
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return f.Reload()
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}
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func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
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equalSign := "="
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if PrettyFormat {
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equalSign = " = "
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}
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// Use buffer to make sure target is safe until finish encoding.
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buf := bytes.NewBuffer(nil)
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for i, sname := range f.sectionList {
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sec := f.Section(sname)
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if len(sec.Comment) > 0 {
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if sec.Comment[0] != '#' && sec.Comment[0] != ';' {
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sec.Comment = "; " + sec.Comment
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} else {
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sec.Comment = sec.Comment[:1] + " " + strings.TrimSpace(sec.Comment[1:])
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}
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if _, err := buf.WriteString(sec.Comment + LineBreak); err != nil {
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return nil, err
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}
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}
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if i > 0 || DefaultHeader {
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if _, err := buf.WriteString("[" + sname + "]" + LineBreak); err != nil {
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return nil, err
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}
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} else {
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// Write nothing if default section is empty
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if len(sec.keyList) == 0 {
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continue
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}
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}
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if sec.isRawSection {
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if _, err := buf.WriteString(sec.rawBody); err != nil {
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return nil, err
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}
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if PrettySection {
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// Put a line between sections
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if _, err := buf.WriteString(LineBreak); err != nil {
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return nil, err
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}
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}
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continue
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}
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// Count and generate alignment length and buffer spaces using the
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// longest key. Keys may be modifed if they contain certain characters so
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// we need to take that into account in our calculation.
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alignLength := 0
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if PrettyFormat {
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for _, kname := range sec.keyList {
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keyLength := len(kname)
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// First case will surround key by ` and second by """
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if strings.ContainsAny(kname, "\"=:") {
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keyLength += 2
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} else if strings.Contains(kname, "`") {
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keyLength += 6
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}
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if keyLength > alignLength {
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alignLength = keyLength
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}
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}
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}
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alignSpaces := bytes.Repeat([]byte(" "), alignLength)
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KEY_LIST:
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for _, kname := range sec.keyList {
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key := sec.Key(kname)
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if len(key.Comment) > 0 {
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if len(indent) > 0 && sname != DEFAULT_SECTION {
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buf.WriteString(indent)
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}
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if key.Comment[0] != '#' && key.Comment[0] != ';' {
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key.Comment = "; " + key.Comment
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} else {
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key.Comment = key.Comment[:1] + " " + strings.TrimSpace(key.Comment[1:])
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}
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if _, err := buf.WriteString(key.Comment + LineBreak); err != nil {
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return nil, err
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}
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}
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if len(indent) > 0 && sname != DEFAULT_SECTION {
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buf.WriteString(indent)
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}
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switch {
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case key.isAutoIncrement:
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kname = "-"
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case strings.ContainsAny(kname, "\"=:"):
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kname = "`" + kname + "`"
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case strings.Contains(kname, "`"):
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kname = `"""` + kname + `"""`
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}
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for _, val := range key.ValueWithShadows() {
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if _, err := buf.WriteString(kname); err != nil {
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return nil, err
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}
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if key.isBooleanType {
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if kname != sec.keyList[len(sec.keyList)-1] {
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buf.WriteString(LineBreak)
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}
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continue KEY_LIST
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}
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// Write out alignment spaces before "=" sign
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if PrettyFormat {
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buf.Write(alignSpaces[:alignLength-len(kname)])
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}
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// In case key value contains "\n", "`", "\"", "#" or ";"
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if strings.ContainsAny(val, "\n`") {
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val = `"""` + val + `"""`
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} else if !f.options.IgnoreInlineComment && strings.ContainsAny(val, "#;") {
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val = "`" + val + "`"
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}
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if _, err := buf.WriteString(equalSign + val + LineBreak); err != nil {
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return nil, err
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}
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}
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}
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if PrettySection {
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// Put a line between sections
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if _, err := buf.WriteString(LineBreak); err != nil {
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return nil, err
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}
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}
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}
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return buf, nil
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}
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// WriteToIndent writes content into io.Writer with given indention.
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// If PrettyFormat has been set to be true,
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// it will align "=" sign with spaces under each section.
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func (f *File) WriteToIndent(w io.Writer, indent string) (int64, error) {
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buf, err := f.writeToBuffer(indent)
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if err != nil {
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return 0, err
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}
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return buf.WriteTo(w)
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}
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// WriteTo writes file content into io.Writer.
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func (f *File) WriteTo(w io.Writer) (int64, error) {
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return f.WriteToIndent(w, "")
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}
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// SaveToIndent writes content to file system with given value indention.
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func (f *File) SaveToIndent(filename, indent string) error {
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// Note: Because we are truncating with os.Create,
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// so it's safer to save to a temporary file location and rename afte done.
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buf, err := f.writeToBuffer(indent)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(filename, buf.Bytes(), 0666)
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}
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// SaveTo writes content to file system.
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func (f *File) SaveTo(filename string) error {
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return f.SaveToIndent(filename, "")
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}
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