From 404aeae4545d2426c089a5f8d5e82dae56f5212b Mon Sep 17 00:00:00 2001 From: Rutger Broekhoff Date: Fri, 29 Dec 2023 21:31:53 +0100 Subject: Make Nix builds work --- vendor/gopkg.in/ini.v1/file.go | 541 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 541 insertions(+) create mode 100644 vendor/gopkg.in/ini.v1/file.go (limited to 'vendor/gopkg.in/ini.v1/file.go') diff --git a/vendor/gopkg.in/ini.v1/file.go b/vendor/gopkg.in/ini.v1/file.go new file mode 100644 index 0000000..f8b2240 --- /dev/null +++ b/vendor/gopkg.in/ini.v1/file.go @@ -0,0 +1,541 @@ +// Copyright 2017 Unknwon +// +// 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 ini + +import ( + "bytes" + "errors" + "fmt" + "io" + "io/ioutil" + "os" + "strings" + "sync" +) + +// File represents a combination of one or more INI files in memory. +type File struct { + options LoadOptions + dataSources []dataSource + + // Should make things safe, but sometimes doesn't matter. + BlockMode bool + lock sync.RWMutex + + // To keep data in order. + sectionList []string + // To keep track of the index of a section with same name. + // This meta list is only used with non-unique section names are allowed. + sectionIndexes []int + + // Actual data is stored here. + sections map[string][]*Section + + NameMapper + ValueMapper +} + +// newFile initializes File object with given data sources. +func newFile(dataSources []dataSource, opts LoadOptions) *File { + if len(opts.KeyValueDelimiters) == 0 { + opts.KeyValueDelimiters = "=:" + } + if len(opts.KeyValueDelimiterOnWrite) == 0 { + opts.KeyValueDelimiterOnWrite = "=" + } + if len(opts.ChildSectionDelimiter) == 0 { + opts.ChildSectionDelimiter = "." + } + + return &File{ + BlockMode: true, + dataSources: dataSources, + sections: make(map[string][]*Section), + options: opts, + } +} + +// Empty returns an empty file object. +func Empty(opts ...LoadOptions) *File { + var opt LoadOptions + if len(opts) > 0 { + opt = opts[0] + } + + // Ignore error here, we are sure our data is good. + f, _ := LoadSources(opt, []byte("")) + return f +} + +// NewSection creates a new section. +func (f *File) NewSection(name string) (*Section, error) { + if len(name) == 0 { + return nil, errors.New("empty section name") + } + + if (f.options.Insensitive || f.options.InsensitiveSections) && name != DefaultSection { + name = strings.ToLower(name) + } + + if f.BlockMode { + f.lock.Lock() + defer f.lock.Unlock() + } + + if !f.options.AllowNonUniqueSections && inSlice(name, f.sectionList) { + return f.sections[name][0], nil + } + + f.sectionList = append(f.sectionList, name) + + // NOTE: Append to indexes must happen before appending to sections, + // otherwise index will have off-by-one problem. + f.sectionIndexes = append(f.sectionIndexes, len(f.sections[name])) + + sec := newSection(f, name) + f.sections[name] = append(f.sections[name], sec) + + return sec, nil +} + +// NewRawSection creates a new section with an unparseable body. +func (f *File) NewRawSection(name, body string) (*Section, error) { + section, err := f.NewSection(name) + if err != nil { + return nil, err + } + + section.isRawSection = true + section.rawBody = body + return section, nil +} + +// NewSections creates a list of sections. +func (f *File) NewSections(names ...string) (err error) { + for _, name := range names { + if _, err = f.NewSection(name); err != nil { + return err + } + } + return nil +} + +// GetSection returns section by given name. +func (f *File) GetSection(name string) (*Section, error) { + secs, err := f.SectionsByName(name) + if err != nil { + return nil, err + } + + return secs[0], err +} + +// HasSection returns true if the file contains a section with given name. +func (f *File) HasSection(name string) bool { + section, _ := f.GetSection(name) + return section != nil +} + +// SectionsByName returns all sections with given name. +func (f *File) SectionsByName(name string) ([]*Section, error) { + if len(name) == 0 { + name = DefaultSection + } + if f.options.Insensitive || f.options.InsensitiveSections { + name = strings.ToLower(name) + } + + if f.BlockMode { + f.lock.RLock() + defer f.lock.RUnlock() + } + + secs := f.sections[name] + if len(secs) == 0 { + return nil, fmt.Errorf("section %q does not exist", name) + } + + return secs, nil +} + +// Section assumes named section exists and returns a zero-value when not. +func (f *File) Section(name string) *Section { + sec, err := f.GetSection(name) + if err != nil { + if name == "" { + name = DefaultSection + } + sec, _ = f.NewSection(name) + return sec + } + return sec +} + +// SectionWithIndex assumes named section exists and returns a new section when not. +func (f *File) SectionWithIndex(name string, index int) *Section { + secs, err := f.SectionsByName(name) + if err != nil || len(secs) <= index { + // NOTE: It's OK here because the only possible error is empty section name, + // but if it's empty, this piece of code won't be executed. + newSec, _ := f.NewSection(name) + return newSec + } + + return secs[index] +} + +// Sections returns a list of Section stored in the current instance. +func (f *File) Sections() []*Section { + if f.BlockMode { + f.lock.RLock() + defer f.lock.RUnlock() + } + + sections := make([]*Section, len(f.sectionList)) + for i, name := range f.sectionList { + sections[i] = f.sections[name][f.sectionIndexes[i]] + } + return sections +} + +// ChildSections returns a list of child sections of given section name. +func (f *File) ChildSections(name string) []*Section { + return f.Section(name).ChildSections() +} + +// SectionStrings returns list of section names. +func (f *File) SectionStrings() []string { + list := make([]string, len(f.sectionList)) + copy(list, f.sectionList) + return list +} + +// DeleteSection deletes a section or all sections with given name. +func (f *File) DeleteSection(name string) { + secs, err := f.SectionsByName(name) + if err != nil { + return + } + + for i := 0; i < len(secs); i++ { + // For non-unique sections, it is always needed to remove the first one so + // in the next iteration, the subsequent section continue having index 0. + // Ignoring the error as index 0 never returns an error. + _ = f.DeleteSectionWithIndex(name, 0) + } +} + +// DeleteSectionWithIndex deletes a section with given name and index. +func (f *File) DeleteSectionWithIndex(name string, index int) error { + if !f.options.AllowNonUniqueSections && index != 0 { + return fmt.Errorf("delete section with non-zero index is only allowed when non-unique sections is enabled") + } + + if len(name) == 0 { + name = DefaultSection + } + if f.options.Insensitive || f.options.InsensitiveSections { + name = strings.ToLower(name) + } + + if f.BlockMode { + f.lock.Lock() + defer f.lock.Unlock() + } + + // Count occurrences of the sections + occurrences := 0 + + sectionListCopy := make([]string, len(f.sectionList)) + copy(sectionListCopy, f.sectionList) + + for i, s := range sectionListCopy { + if s != name { + continue + } + + if occurrences == index { + if len(f.sections[name]) <= 1 { + delete(f.sections, name) // The last one in the map + } else { + f.sections[name] = append(f.sections[name][:index], f.sections[name][index+1:]...) + } + + // Fix section lists + f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...) + f.sectionIndexes = append(f.sectionIndexes[:i], f.sectionIndexes[i+1:]...) + + } else if occurrences > index { + // Fix the indices of all following sections with this name. + f.sectionIndexes[i-1]-- + } + + occurrences++ + } + + return nil +} + +func (f *File) reload(s dataSource) error { + r, err := s.ReadCloser() + if err != nil { + return err + } + defer r.Close() + + return f.parse(r) +} + +// Reload reloads and parses all data sources. +func (f *File) Reload() (err error) { + for _, s := range f.dataSources { + if err = f.reload(s); err != nil { + // In loose mode, we create an empty default section for nonexistent files. + if os.IsNotExist(err) && f.options.Loose { + _ = f.parse(bytes.NewBuffer(nil)) + continue + } + return err + } + if f.options.ShortCircuit { + return nil + } + } + return nil +} + +// Append appends one or more data sources and reloads automatically. +func (f *File) Append(source interface{}, others ...interface{}) error { + ds, err := parseDataSource(source) + if err != nil { + return err + } + f.dataSources = append(f.dataSources, ds) + for _, s := range others { + ds, err = parseDataSource(s) + if err != nil { + return err + } + f.dataSources = append(f.dataSources, ds) + } + return f.Reload() +} + +func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) { + equalSign := DefaultFormatLeft + f.options.KeyValueDelimiterOnWrite + DefaultFormatRight + + if PrettyFormat || PrettyEqual { + equalSign = fmt.Sprintf(" %s ", f.options.KeyValueDelimiterOnWrite) + } + + // Use buffer to make sure target is safe until finish encoding. + buf := bytes.NewBuffer(nil) + lastSectionIdx := len(f.sectionList) - 1 + for i, sname := range f.sectionList { + sec := f.SectionWithIndex(sname, f.sectionIndexes[i]) + if len(sec.Comment) > 0 { + // Support multiline comments + lines := strings.Split(sec.Comment, LineBreak) + for i := range lines { + if lines[i][0] != '#' && lines[i][0] != ';' { + lines[i] = "; " + lines[i] + } else { + lines[i] = lines[i][:1] + " " + strings.TrimSpace(lines[i][1:]) + } + + if _, err := buf.WriteString(lines[i] + LineBreak); err != nil { + return nil, err + } + } + } + + if i > 0 || DefaultHeader || (i == 0 && strings.ToUpper(sec.name) != DefaultSection) { + if _, err := buf.WriteString("[" + sname + "]" + LineBreak); err != nil { + return nil, err + } + } else { + // Write nothing if default section is empty + if len(sec.keyList) == 0 { + continue + } + } + + isLastSection := i == lastSectionIdx + if sec.isRawSection { + if _, err := buf.WriteString(sec.rawBody); err != nil { + return nil, err + } + + if PrettySection && !isLastSection { + // Put a line between sections + if _, err := buf.WriteString(LineBreak); err != nil { + return nil, err + } + } + continue + } + + // Count and generate alignment length and buffer spaces using the + // longest key. Keys may be modified if they contain certain characters so + // we need to take that into account in our calculation. + alignLength := 0 + if PrettyFormat { + for _, kname := range sec.keyList { + keyLength := len(kname) + // First case will surround key by ` and second by """ + if strings.Contains(kname, "\"") || strings.ContainsAny(kname, f.options.KeyValueDelimiters) { + keyLength += 2 + } else if strings.Contains(kname, "`") { + keyLength += 6 + } + + if keyLength > alignLength { + alignLength = keyLength + } + } + } + alignSpaces := bytes.Repeat([]byte(" "), alignLength) + + KeyList: + for _, kname := range sec.keyList { + key := sec.Key(kname) + if len(key.Comment) > 0 { + if len(indent) > 0 && sname != DefaultSection { + buf.WriteString(indent) + } + + // Support multiline comments + lines := strings.Split(key.Comment, LineBreak) + for i := range lines { + if lines[i][0] != '#' && lines[i][0] != ';' { + lines[i] = "; " + strings.TrimSpace(lines[i]) + } else { + lines[i] = lines[i][:1] + " " + strings.TrimSpace(lines[i][1:]) + } + + if _, err := buf.WriteString(lines[i] + LineBreak); err != nil { + return nil, err + } + } + } + + if len(indent) > 0 && sname != DefaultSection { + buf.WriteString(indent) + } + + switch { + case key.isAutoIncrement: + kname = "-" + case strings.Contains(kname, "\"") || strings.ContainsAny(kname, f.options.KeyValueDelimiters): + kname = "`" + kname + "`" + case strings.Contains(kname, "`"): + kname = `"""` + kname + `"""` + } + + writeKeyValue := func(val string) (bool, error) { + if _, err := buf.WriteString(kname); err != nil { + return false, err + } + + if key.isBooleanType { + buf.WriteString(LineBreak) + return true, nil + } + + // Write out alignment spaces before "=" sign + if PrettyFormat { + buf.Write(alignSpaces[:alignLength-len(kname)]) + } + + // In case key value contains "\n", "`", "\"", "#" or ";" + if strings.ContainsAny(val, "\n`") { + val = `"""` + val + `"""` + } else if !f.options.IgnoreInlineComment && strings.ContainsAny(val, "#;") { + val = "`" + val + "`" + } else if len(strings.TrimSpace(val)) != len(val) { + val = `"` + val + `"` + } + if _, err := buf.WriteString(equalSign + val + LineBreak); err != nil { + return false, err + } + return false, nil + } + + shadows := key.ValueWithShadows() + if len(shadows) == 0 { + if _, err := writeKeyValue(""); err != nil { + return nil, err + } + } + + for _, val := range shadows { + exitLoop, err := writeKeyValue(val) + if err != nil { + return nil, err + } else if exitLoop { + continue KeyList + } + } + + for _, val := range key.nestedValues { + if _, err := buf.WriteString(indent + " " + val + LineBreak); err != nil { + return nil, err + } + } + } + + if PrettySection && !isLastSection { + // Put a line between sections + if _, err := buf.WriteString(LineBreak); err != nil { + return nil, err + } + } + } + + return buf, nil +} + +// WriteToIndent writes content into io.Writer with given indention. +// If PrettyFormat has been set to be true, +// it will align "=" sign with spaces under each section. +func (f *File) WriteToIndent(w io.Writer, indent string) (int64, error) { + buf, err := f.writeToBuffer(indent) + if err != nil { + return 0, err + } + return buf.WriteTo(w) +} + +// WriteTo writes file content into io.Writer. +func (f *File) WriteTo(w io.Writer) (int64, error) { + return f.WriteToIndent(w, "") +} + +// SaveToIndent writes content to file system with given value indention. +func (f *File) SaveToIndent(filename, indent string) error { + // Note: Because we are truncating with os.Create, + // so it's safer to save to a temporary file location and rename after done. + buf, err := f.writeToBuffer(indent) + if err != nil { + return err + } + + return ioutil.WriteFile(filename, buf.Bytes(), 0666) +} + +// SaveTo writes content to file system. +func (f *File) SaveTo(filename string) error { + return f.SaveToIndent(filename, "") +} -- cgit v1.2.3