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Replace godep with vndr

Browse source 
Vndr has a simpler configuration and allows pointing to forked
packages. Additionally other docker projects are now using
vndr making vendoring in distribution more consistent.

Updates letsencrypt to use fork.
No longer uses sub-vendored packages.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2016-11-23 15:07:06 -08:00
parent 8f9abbd27f
commit a685e3fc98
No known key found for this signature in database
GPG key ID: F58C5D0A4405ACDB
265 changed files with 30150 additions and 19449 deletions
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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// Copyright 2016 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 (
"fmt"
)
type ErrDelimiterNotFound struct {
Line string
}
func IsErrDelimiterNotFound(err error) bool {
_, ok := err.(ErrDelimiterNotFound)
return ok
}
func (err ErrDelimiterNotFound) Error() string {
return fmt.Sprintf("key-value delimiter not found: %s", err.Line)
}

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// Copyright 2014 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 provides INI file read and write functionality in Go.
package ini
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"regexp"
"runtime"
"strconv"
"strings"
"sync"
"time"
)
const (
// Name for default section. You can use this constant or the string literal.
// In most of cases, an empty string is all you need to access the section.
DEFAULT_SECTION = "DEFAULT"
// Maximum allowed depth when recursively substituing variable names.
_DEPTH_VALUES = 99
_VERSION = "1.21.1"
)
// Version returns current package version literal.
func Version() string {
return _VERSION
}
var (
// Delimiter to determine or compose a new line.
// This variable will be changed to "\r\n" automatically on Windows
// at package init time.
LineBreak = "\n"
// Variable regexp pattern: %(variable)s
varPattern = regexp.MustCompile(`%\(([^\)]+)\)s`)
// Indicate whether to align "=" sign with spaces to produce pretty output
// or reduce all possible spaces for compact format.
PrettyFormat = true
// Explicitly write DEFAULT section header
DefaultHeader = false
)
func init() {
if runtime.GOOS == "windows" {
LineBreak = "\r\n"
}
}
func inSlice(str string, s []string) bool {
for _, v := range s {
if str == v {
return true
}
}
return false
}
// dataSource is an interface that returns object which can be read and closed.
type dataSource interface {
ReadCloser() (io.ReadCloser, error)
}
// sourceFile represents an object that contains content on the local file system.
type sourceFile struct {
name string
}
func (s sourceFile) ReadCloser() (_ io.ReadCloser, err error) {
return os.Open(s.name)
}
type bytesReadCloser struct {
reader io.Reader
}
func (rc *bytesReadCloser) Read(p []byte) (n int, err error) {
return rc.reader.Read(p)
}
func (rc *bytesReadCloser) Close() error {
return nil
}
// sourceData represents an object that contains content in memory.
type sourceData struct {
data []byte
}
func (s *sourceData) ReadCloser() (io.ReadCloser, error) {
return &bytesReadCloser{bytes.NewReader(s.data)}, nil
}
// File represents a combination of a or more INI file(s) in memory.
type File struct {
// Should make things safe, but sometimes doesn't matter.
BlockMode bool
// Make sure data is safe in multiple goroutines.
lock sync.RWMutex
// Allow combination of multiple data sources.
dataSources []dataSource
// Actual data is stored here.
sections map[string]*Section
// To keep data in order.
sectionList []string
options LoadOptions
NameMapper
ValueMapper
}
// newFile initializes File object with given data sources.
func newFile(dataSources []dataSource, opts LoadOptions) *File {
return &File{
BlockMode: true,
dataSources: dataSources,
sections: make(map[string]*Section),
sectionList: make([]string, 0, 10),
options: opts,
}
}
func parseDataSource(source interface{}) (dataSource, error) {
switch s := source.(type) {
case string:
return sourceFile{s}, nil
case []byte:
return &sourceData{s}, nil
default:
return nil, fmt.Errorf("error parsing data source: unknown type '%s'", s)
}
}
type LoadOptions struct {
// Loose indicates whether the parser should ignore nonexistent files or return error.
Loose bool
// Insensitive indicates whether the parser forces all section and key names to lowercase.
Insensitive bool
// IgnoreContinuation indicates whether to ignore continuation lines while parsing.
IgnoreContinuation bool
// AllowBooleanKeys indicates whether to allow boolean type keys or treat as value is missing.
// This type of keys are mostly used in my.cnf.
AllowBooleanKeys bool
}
func LoadSources(opts LoadOptions, source interface{}, others ...interface{}) (_ *File, err error) {
sources := make([]dataSource, len(others)+1)
sources[0], err = parseDataSource(source)
if err != nil {
return nil, err
}
for i := range others {
sources[i+1], err = parseDataSource(others[i])
if err != nil {
return nil, err
}
}
f := newFile(sources, opts)
if err = f.Reload(); err != nil {
return nil, err
}
return f, nil
}
// Load loads and parses from INI data sources.
// Arguments can be mixed of file name with string type, or raw data in []byte.
// It will return error if list contains nonexistent files.
func Load(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{}, source, others...)
}
// LooseLoad has exactly same functionality as Load function
// except it ignores nonexistent files instead of returning error.
func LooseLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{Loose: true}, source, others...)
}
// InsensitiveLoad has exactly same functionality as Load function
// except it forces all section and key names to be lowercased.
func InsensitiveLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{Insensitive: true}, source, others...)
}
// Empty returns an empty file object.
func Empty() *File {
// Ignore error here, we sure our data is good.
f, _ := Load([]byte(""))
return f
}
// NewSection creates a new section.
func (f *File) NewSection(name string) (*Section, error) {
if len(name) == 0 {
return nil, errors.New("error creating new section: empty section name")
} else if f.options.Insensitive && name != DEFAULT_SECTION {
name = strings.ToLower(name)
}
if f.BlockMode {
f.lock.Lock()
defer f.lock.Unlock()
}
if inSlice(name, f.sectionList) {
return f.sections[name], nil
}
f.sectionList = append(f.sectionList, name)
f.sections[name] = newSection(f, name)
return f.sections[name], 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) {
if len(name) == 0 {
name = DEFAULT_SECTION
} else if f.options.Insensitive {
name = strings.ToLower(name)
}
if f.BlockMode {
f.lock.RLock()
defer f.lock.RUnlock()
}
sec := f.sections[name]
if sec == nil {
return nil, fmt.Errorf("section '%s' does not exist", name)
}
return sec, 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 {
// 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.
sec, _ = f.NewSection(name)
return sec
}
return sec
}
// Section returns list of Section.
func (f *File) Sections() []*Section {
sections := make([]*Section, len(f.sectionList))
for i := range f.sectionList {
sections[i] = f.Section(f.sectionList[i])
}
return sections
}
// 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.
func (f *File) DeleteSection(name string) {
if f.BlockMode {
f.lock.Lock()
defer f.lock.Unlock()
}
if len(name) == 0 {
name = DEFAULT_SECTION
}
for i, s := range f.sectionList {
if s == name {
f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
delete(f.sections, name)
return
}
}
}
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
}
}
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()
}
// 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) (n int64, err error) {
equalSign := "="
if PrettyFormat {
equalSign = " = "
}
// Use buffer to make sure target is safe until finish encoding.
buf := bytes.NewBuffer(nil)
for i, sname := range f.sectionList {
sec := f.Section(sname)
if len(sec.Comment) > 0 {
if sec.Comment[0] != '#' && sec.Comment[0] != ';' {
sec.Comment = "; " + sec.Comment
}
if _, err = buf.WriteString(sec.Comment + LineBreak); err != nil {
return 0, err
}
}
if i > 0 || DefaultHeader {
if _, err = buf.WriteString("[" + sname + "]" + LineBreak); err != nil {
return 0, err
}
} else {
// Write nothing if default section is empty
if len(sec.keyList) == 0 {
continue
}
}
// Count and generate alignment length and buffer spaces using the
// longest key. Keys may be modifed 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.ContainsAny(kname, "\"=:") {
keyLength += 2
} else if strings.Contains(kname, "`") {
keyLength += 6
}
if keyLength > alignLength {
alignLength = keyLength
}
}
}
alignSpaces := bytes.Repeat([]byte(" "), alignLength)
for _, kname := range sec.keyList {
key := sec.Key(kname)
if len(key.Comment) > 0 {
if len(indent) > 0 && sname != DEFAULT_SECTION {
buf.WriteString(indent)
}
if key.Comment[0] != '#' && key.Comment[0] != ';' {
key.Comment = "; " + key.Comment
}
if _, err = buf.WriteString(key.Comment + LineBreak); err != nil {
return 0, err
}
}
if len(indent) > 0 && sname != DEFAULT_SECTION {
buf.WriteString(indent)
}
switch {
case key.isAutoIncrement:
kname = "-"
case strings.ContainsAny(kname, "\"=:"):
kname = "`" + kname + "`"
case strings.Contains(kname, "`"):
kname = `"""` + kname + `"""`
}
if _, err = buf.WriteString(kname); err != nil {
return 0, err
}
if key.isBooleanType {
continue
}
// Write out alignment spaces before "=" sign
if PrettyFormat {
buf.Write(alignSpaces[:alignLength-len(kname)])
}
val := key.value
// In case key value contains "\n", "`", "\"", "#" or ";"
if strings.ContainsAny(val, "\n`") {
val = `"""` + val + `"""`
} else if strings.ContainsAny(val, "#;") {
val = "`" + val + "`"
}
if _, err = buf.WriteString(equalSign + val + LineBreak); err != nil {
return 0, err
}
}
// Put a line between sections
if _, err = buf.WriteString(LineBreak); 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 afte done.
tmpPath := filename + "." + strconv.Itoa(time.Now().Nanosecond()) + ".tmp"
defer os.Remove(tmpPath)
fw, err := os.Create(tmpPath)
if err != nil {
return err
}
if _, err = f.WriteToIndent(fw, indent); err != nil {
fw.Close()
return err
}
fw.Close()
// Remove old file and rename the new one.
os.Remove(filename)
return os.Rename(tmpPath, filename)
}
// SaveTo writes content to file system.
func (f *File) SaveTo(filename string) error {
return f.SaveToIndent(filename, "")
}

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// Copyright 2014 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 (
"fmt"
"strconv"
"strings"
"time"
)
// Key represents a key under a section.
type Key struct {
s *Section
name string
value string
isAutoIncrement bool
isBooleanType bool
Comment string
}
// ValueMapper represents a mapping function for values, e.g. os.ExpandEnv
type ValueMapper func(string) string
// Name returns name of key.
func (k *Key) Name() string {
return k.name
}
// Value returns raw value of key for performance purpose.
func (k *Key) Value() string {
return k.value
}
// String returns string representation of value.
func (k *Key) String() string {
val := k.value
if k.s.f.ValueMapper != nil {
val = k.s.f.ValueMapper(val)
}
if strings.Index(val, "%") == -1 {
return val
}
for i := 0; i < _DEPTH_VALUES; i++ {
vr := varPattern.FindString(val)
if len(vr) == 0 {
break
}
// Take off leading '%(' and trailing ')s'.
noption := strings.TrimLeft(vr, "%(")
noption = strings.TrimRight(noption, ")s")
// Search in the same section.
nk, err := k.s.GetKey(noption)
if err != nil {
// Search again in default section.
nk, _ = k.s.f.Section("").GetKey(noption)
}
// Substitute by new value and take off leading '%(' and trailing ')s'.
val = strings.Replace(val, vr, nk.value, -1)
}
return val
}
// Validate accepts a validate function which can
// return modifed result as key value.
func (k *Key) Validate(fn func(string) string) string {
return fn(k.String())
}
// parseBool returns the boolean value represented by the string.
//
// It accepts 1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On,
// 0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off.
// Any other value returns an error.
func parseBool(str string) (value bool, err error) {
switch str {
case "1", "t", "T", "true", "TRUE", "True", "YES", "yes", "Yes", "y", "ON", "on", "On":
return true, nil
case "0", "f", "F", "false", "FALSE", "False", "NO", "no", "No", "n", "OFF", "off", "Off":
return false, nil
}
return false, fmt.Errorf("parsing \"%s\": invalid syntax", str)
}
// Bool returns bool type value.
func (k *Key) Bool() (bool, error) {
return parseBool(k.String())
}
// Float64 returns float64 type value.
func (k *Key) Float64() (float64, error) {
return strconv.ParseFloat(k.String(), 64)
}
// Int returns int type value.
func (k *Key) Int() (int, error) {
return strconv.Atoi(k.String())
}
// Int64 returns int64 type value.
func (k *Key) Int64() (int64, error) {
return strconv.ParseInt(k.String(), 10, 64)
}
// Uint returns uint type valued.
func (k *Key) Uint() (uint, error) {
u, e := strconv.ParseUint(k.String(), 10, 64)
return uint(u), e
}
// Uint64 returns uint64 type value.
func (k *Key) Uint64() (uint64, error) {
return strconv.ParseUint(k.String(), 10, 64)
}
// Duration returns time.Duration type value.
func (k *Key) Duration() (time.Duration, error) {
return time.ParseDuration(k.String())
}
// TimeFormat parses with given format and returns time.Time type value.
func (k *Key) TimeFormat(format string) (time.Time, error) {
return time.Parse(format, k.String())
}
// Time parses with RFC3339 format and returns time.Time type value.
func (k *Key) Time() (time.Time, error) {
return k.TimeFormat(time.RFC3339)
}
// MustString returns default value if key value is empty.
func (k *Key) MustString(defaultVal string) string {
val := k.String()
if len(val) == 0 {
k.value = defaultVal
return defaultVal
}
return val
}
// MustBool always returns value without error,
// it returns false if error occurs.
func (k *Key) MustBool(defaultVal ...bool) bool {
val, err := k.Bool()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatBool(defaultVal[0])
return defaultVal[0]
}
return val
}
// MustFloat64 always returns value without error,
// it returns 0.0 if error occurs.
func (k *Key) MustFloat64(defaultVal ...float64) float64 {
val, err := k.Float64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatFloat(defaultVal[0], 'f', -1, 64)
return defaultVal[0]
}
return val
}
// MustInt always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustInt(defaultVal ...int) int {
val, err := k.Int()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatInt(int64(defaultVal[0]), 10)
return defaultVal[0]
}
return val
}
// MustInt64 always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustInt64(defaultVal ...int64) int64 {
val, err := k.Int64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatInt(defaultVal[0], 10)
return defaultVal[0]
}
return val
}
// MustUint always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustUint(defaultVal ...uint) uint {
val, err := k.Uint()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatUint(uint64(defaultVal[0]), 10)
return defaultVal[0]
}
return val
}
// MustUint64 always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustUint64(defaultVal ...uint64) uint64 {
val, err := k.Uint64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatUint(defaultVal[0], 10)
return defaultVal[0]
}
return val
}
// MustDuration always returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustDuration(defaultVal ...time.Duration) time.Duration {
val, err := k.Duration()
if len(defaultVal) > 0 && err != nil {
k.value = defaultVal[0].String()
return defaultVal[0]
}
return val
}
// MustTimeFormat always parses with given format and returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustTimeFormat(format string, defaultVal ...time.Time) time.Time {
val, err := k.TimeFormat(format)
if len(defaultVal) > 0 && err != nil {
k.value = defaultVal[0].Format(format)
return defaultVal[0]
}
return val
}
// MustTime always parses with RFC3339 format and returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustTime(defaultVal ...time.Time) time.Time {
return k.MustTimeFormat(time.RFC3339, defaultVal...)
}
// In always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) In(defaultVal string, candidates []string) string {
val := k.String()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InFloat64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InFloat64(defaultVal float64, candidates []float64) float64 {
val := k.MustFloat64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InInt always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InInt(defaultVal int, candidates []int) int {
val := k.MustInt()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InInt64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InInt64(defaultVal int64, candidates []int64) int64 {
val := k.MustInt64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InUint always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InUint(defaultVal uint, candidates []uint) uint {
val := k.MustUint()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InUint64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InUint64(defaultVal uint64, candidates []uint64) uint64 {
val := k.MustUint64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InTimeFormat always parses with given format and returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InTimeFormat(format string, defaultVal time.Time, candidates []time.Time) time.Time {
val := k.MustTimeFormat(format)
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InTime always parses with RFC3339 format and returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InTime(defaultVal time.Time, candidates []time.Time) time.Time {
return k.InTimeFormat(time.RFC3339, defaultVal, candidates)
}
// RangeFloat64 checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeFloat64(defaultVal, min, max float64) float64 {
val := k.MustFloat64()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeInt checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeInt(defaultVal, min, max int) int {
val := k.MustInt()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeInt64 checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeInt64(defaultVal, min, max int64) int64 {
val := k.MustInt64()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeTimeFormat checks if value with given format is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeTimeFormat(format string, defaultVal, min, max time.Time) time.Time {
val := k.MustTimeFormat(format)
if val.Unix() < min.Unix() || val.Unix() > max.Unix() {
return defaultVal
}
return val
}
// RangeTime checks if value with RFC3339 format is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeTime(defaultVal, min, max time.Time) time.Time {
return k.RangeTimeFormat(time.RFC3339, defaultVal, min, max)
}
// Strings returns list of string divided by given delimiter.
func (k *Key) Strings(delim string) []string {
str := k.String()
if len(str) == 0 {
return []string{}
}
vals := strings.Split(str, delim)
for i := range vals {
vals[i] = strings.TrimSpace(vals[i])
}
return vals
}
// Float64s returns list of float64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Float64s(delim string) []float64 {
vals, _ := k.getFloat64s(delim, true, false)
return vals
}
// Ints returns list of int divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Ints(delim string) []int {
vals, _ := k.getInts(delim, true, false)
return vals
}
// Int64s returns list of int64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Int64s(delim string) []int64 {
vals, _ := k.getInt64s(delim, true, false)
return vals
}
// Uints returns list of uint divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Uints(delim string) []uint {
vals, _ := k.getUints(delim, true, false)
return vals
}
// Uint64s returns list of uint64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Uint64s(delim string) []uint64 {
vals, _ := k.getUint64s(delim, true, false)
return vals
}
// TimesFormat parses with given format and returns list of time.Time divided by given delimiter.
// Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
func (k *Key) TimesFormat(format, delim string) []time.Time {
vals, _ := k.getTimesFormat(format, delim, true, false)
return vals
}
// Times parses with RFC3339 format and returns list of time.Time divided by given delimiter.
// Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
func (k *Key) Times(delim string) []time.Time {
return k.TimesFormat(time.RFC3339, delim)
}
// ValidFloat64s returns list of float64 divided by given delimiter. If some value is not float, then
// it will not be included to result list.
func (k *Key) ValidFloat64s(delim string) []float64 {
vals, _ := k.getFloat64s(delim, false, false)
return vals
}
// ValidInts returns list of int divided by given delimiter. If some value is not integer, then it will
// not be included to result list.
func (k *Key) ValidInts(delim string) []int {
vals, _ := k.getInts(delim, false, false)
return vals
}
// ValidInt64s returns list of int64 divided by given delimiter. If some value is not 64-bit integer,
// then it will not be included to result list.
func (k *Key) ValidInt64s(delim string) []int64 {
vals, _ := k.getInt64s(delim, false, false)
return vals
}
// ValidUints returns list of uint divided by given delimiter. If some value is not unsigned integer,
// then it will not be included to result list.
func (k *Key) ValidUints(delim string) []uint {
vals, _ := k.getUints(delim, false, false)
return vals
}
// ValidUint64s returns list of uint64 divided by given delimiter. If some value is not 64-bit unsigned
// integer, then it will not be included to result list.
func (k *Key) ValidUint64s(delim string) []uint64 {
vals, _ := k.getUint64s(delim, false, false)
return vals
}
// ValidTimesFormat parses with given format and returns list of time.Time divided by given delimiter.
func (k *Key) ValidTimesFormat(format, delim string) []time.Time {
vals, _ := k.getTimesFormat(format, delim, false, false)
return vals
}
// ValidTimes parses with RFC3339 format and returns list of time.Time divided by given delimiter.
func (k *Key) ValidTimes(delim string) []time.Time {
return k.ValidTimesFormat(time.RFC3339, delim)
}
// StrictFloat64s returns list of float64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictFloat64s(delim string) ([]float64, error) {
return k.getFloat64s(delim, false, true)
}
// StrictInts returns list of int divided by given delimiter or error on first invalid input.
func (k *Key) StrictInts(delim string) ([]int, error) {
return k.getInts(delim, false, true)
}
// StrictInt64s returns list of int64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictInt64s(delim string) ([]int64, error) {
return k.getInt64s(delim, false, true)
}
// StrictUints returns list of uint divided by given delimiter or error on first invalid input.
func (k *Key) StrictUints(delim string) ([]uint, error) {
return k.getUints(delim, false, true)
}
// StrictUint64s returns list of uint64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictUint64s(delim string) ([]uint64, error) {
return k.getUint64s(delim, false, true)
}
// StrictTimesFormat parses with given format and returns list of time.Time divided by given delimiter
// or error on first invalid input.
func (k *Key) StrictTimesFormat(format, delim string) ([]time.Time, error) {
return k.getTimesFormat(format, delim, false, true)
}
// StrictTimes parses with RFC3339 format and returns list of time.Time divided by given delimiter
// or error on first invalid input.
func (k *Key) StrictTimes(delim string) ([]time.Time, error) {
return k.StrictTimesFormat(time.RFC3339, delim)
}
// getFloat64s returns list of float64 divided by given delimiter.
func (k *Key) getFloat64s(delim string, addInvalid, returnOnInvalid bool) ([]float64, error) {
strs := k.Strings(delim)
vals := make([]float64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseFloat(str, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getInts returns list of int divided by given delimiter.
func (k *Key) getInts(delim string, addInvalid, returnOnInvalid bool) ([]int, error) {
strs := k.Strings(delim)
vals := make([]int, 0, len(strs))
for _, str := range strs {
val, err := strconv.Atoi(str)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getInt64s returns list of int64 divided by given delimiter.
func (k *Key) getInt64s(delim string, addInvalid, returnOnInvalid bool) ([]int64, error) {
strs := k.Strings(delim)
vals := make([]int64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseInt(str, 10, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getUints returns list of uint divided by given delimiter.
func (k *Key) getUints(delim string, addInvalid, returnOnInvalid bool) ([]uint, error) {
strs := k.Strings(delim)
vals := make([]uint, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseUint(str, 10, 0)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, uint(val))
}
}
return vals, nil
}
// getUint64s returns list of uint64 divided by given delimiter.
func (k *Key) getUint64s(delim string, addInvalid, returnOnInvalid bool) ([]uint64, error) {
strs := k.Strings(delim)
vals := make([]uint64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseUint(str, 10, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getTimesFormat parses with given format and returns list of time.Time divided by given delimiter.
func (k *Key) getTimesFormat(format, delim string, addInvalid, returnOnInvalid bool) ([]time.Time, error) {
strs := k.Strings(delim)
vals := make([]time.Time, 0, len(strs))
for _, str := range strs {
val, err := time.Parse(format, str)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// SetValue changes key value.
func (k *Key) SetValue(v string) {
if k.s.f.BlockMode {
k.s.f.lock.Lock()
defer k.s.f.lock.Unlock()
}
k.value = v
k.s.keysHash[k.name] = v
}

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// Copyright 2015 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 (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"unicode"
)
type tokenType int
const (
_TOKEN_INVALID tokenType = iota
_TOKEN_COMMENT
_TOKEN_SECTION
_TOKEN_KEY
)
type parser struct {
buf *bufio.Reader
isEOF bool
count int
comment *bytes.Buffer
}
func newParser(r io.Reader) *parser {
return &parser{
buf: bufio.NewReader(r),
count: 1,
comment: &bytes.Buffer{},
}
}
// BOM handles header of BOM-UTF8 format.
// http://en.wikipedia.org/wiki/Byte_order_mark#Representations_of_byte_order_marks_by_encoding
func (p *parser) BOM() error {
mask, err := p.buf.Peek(3)
if err != nil && err != io.EOF {
return err
} else if len(mask) < 3 {
return nil
} else if mask[0] == 239 && mask[1] == 187 && mask[2] == 191 {
p.buf.Read(mask)
}
return nil
}
func (p *parser) readUntil(delim byte) ([]byte, error) {
data, err := p.buf.ReadBytes(delim)
if err != nil {
if err == io.EOF {
p.isEOF = true
} else {
return nil, err
}
}
return data, nil
}
func cleanComment(in []byte) ([]byte, bool) {
i := bytes.IndexAny(in, "#;")
if i == -1 {
return nil, false
}
return in[i:], true
}
func readKeyName(in []byte) (string, int, error) {
line := string(in)
// Check if key name surrounded by quotes.
var keyQuote string
if line[0] == '"' {
if len(line) > 6 && string(line[0:3]) == `"""` {
keyQuote = `"""`
} else {
keyQuote = `"`
}
} else if line[0] == '`' {
keyQuote = "`"
}
// Get out key name
endIdx := -1
if len(keyQuote) > 0 {
startIdx := len(keyQuote)
// FIXME: fail case -> """"""name"""=value
pos := strings.Index(line[startIdx:], keyQuote)
if pos == -1 {
return "", -1, fmt.Errorf("missing closing key quote: %s", line)
}
pos += startIdx
// Find key-value delimiter
i := strings.IndexAny(line[pos+startIdx:], "=:")
if i < 0 {
return "", -1, ErrDelimiterNotFound{line}
}
endIdx = pos + i
return strings.TrimSpace(line[startIdx:pos]), endIdx + startIdx + 1, nil
}
endIdx = strings.IndexAny(line, "=:")
if endIdx < 0 {
return "", -1, ErrDelimiterNotFound{line}
}
return strings.TrimSpace(line[0:endIdx]), endIdx + 1, nil
}
func (p *parser) readMultilines(line, val, valQuote string) (string, error) {
for {
data, err := p.readUntil('\n')
if err != nil {
return "", err
}
next := string(data)
pos := strings.LastIndex(next, valQuote)
if pos > -1 {
val += next[:pos]
comment, has := cleanComment([]byte(next[pos:]))
if has {
p.comment.Write(bytes.TrimSpace(comment))
}
break
}
val += next
if p.isEOF {
return "", fmt.Errorf("missing closing key quote from '%s' to '%s'", line, next)
}
}
return val, nil
}
func (p *parser) readContinuationLines(val string) (string, error) {
for {
data, err := p.readUntil('\n')
if err != nil {
return "", err
}
next := strings.TrimSpace(string(data))
if len(next) == 0 {
break
}
val += next
if val[len(val)-1] != '\\' {
break
}
val = val[:len(val)-1]
}
return val, nil
}
// hasSurroundedQuote check if and only if the first and last characters
// are quotes \" or \'.
// It returns false if any other parts also contain same kind of quotes.
func hasSurroundedQuote(in string, quote byte) bool {
return len(in) > 2 && in[0] == quote && in[len(in)-1] == quote &&
strings.IndexByte(in[1:], quote) == len(in)-2
}
func (p *parser) readValue(in []byte, ignoreContinuation bool) (string, error) {
line := strings.TrimLeftFunc(string(in), unicode.IsSpace)
if len(line) == 0 {
return "", nil
}
var valQuote string
if len(line) > 3 && string(line[0:3]) == `"""` {
valQuote = `"""`
} else if line[0] == '`' {
valQuote = "`"
}
if len(valQuote) > 0 {
startIdx := len(valQuote)
pos := strings.LastIndex(line[startIdx:], valQuote)
// Check for multi-line value
if pos == -1 {
return p.readMultilines(line, line[startIdx:], valQuote)
}
return line[startIdx : pos+startIdx], nil
}
// Won't be able to reach here if value only contains whitespace.
line = strings.TrimSpace(line)
// Check continuation lines when desired.
if !ignoreContinuation && line[len(line)-1] == '\\' {
return p.readContinuationLines(line[:len(line)-1])
}
i := strings.IndexAny(line, "#;")
if i > -1 {
p.comment.WriteString(line[i:])
line = strings.TrimSpace(line[:i])
}
// Trim single quotes
if hasSurroundedQuote(line, '\'') ||
hasSurroundedQuote(line, '"') {
line = line[1 : len(line)-1]
}
return line, nil
}
// parse parses data through an io.Reader.
func (f *File) parse(reader io.Reader) (err error) {
p := newParser(reader)
if err = p.BOM(); err != nil {
return fmt.Errorf("BOM: %v", err)
}
// Ignore error because default section name is never empty string.
section, _ := f.NewSection(DEFAULT_SECTION)
var line []byte
for !p.isEOF {
line, err = p.readUntil('\n')
if err != nil {
return err
}
line = bytes.TrimLeftFunc(line, unicode.IsSpace)
if len(line) == 0 {
continue
}
// Comments
if line[0] == '#' || line[0] == ';' {
// Note: we do not care ending line break,
// it is needed for adding second line,
// so just clean it once at the end when set to value.
p.comment.Write(line)
continue
}
// Section
if line[0] == '[' {
// Read to the next ']' (TODO: support quoted strings)
// TODO(unknwon): use LastIndexByte when stop supporting Go1.4
closeIdx := bytes.LastIndex(line, []byte("]"))
if closeIdx == -1 {
return fmt.Errorf("unclosed section: %s", line)
}
name := string(line[1:closeIdx])
section, err = f.NewSection(name)
if err != nil {
return err
}
comment, has := cleanComment(line[closeIdx+1:])
if has {
p.comment.Write(comment)
}
section.Comment = strings.TrimSpace(p.comment.String())
// Reset aotu-counter and comments
p.comment.Reset()
p.count = 1
continue
}
kname, offset, err := readKeyName(line)
if err != nil {
// Treat as boolean key when desired, and whole line is key name.
if IsErrDelimiterNotFound(err) && f.options.AllowBooleanKeys {
key, err := section.NewKey(string(line), "true")
if err != nil {
return err
}
key.isBooleanType = true
key.Comment = strings.TrimSpace(p.comment.String())
p.comment.Reset()
continue
}
return err
}
// Auto increment.
isAutoIncr := false
if kname == "-" {
isAutoIncr = true
kname = "#" + strconv.Itoa(p.count)
p.count++
}
key, err := section.NewKey(kname, "")
if err != nil {
return err
}
key.isAutoIncrement = isAutoIncr
value, err := p.readValue(line[offset:], f.options.IgnoreContinuation)
if err != nil {
return err
}
key.SetValue(value)
key.Comment = strings.TrimSpace(p.comment.String())
p.comment.Reset()
}
return nil
}

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// Copyright 2014 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 (
"errors"
"fmt"
"strings"
)
// Section represents a config section.
type Section struct {
f *File
Comment string
name string
keys map[string]*Key
keyList []string
keysHash map[string]string
}
func newSection(f *File, name string) *Section {
return &Section{f, "", name, make(map[string]*Key), make([]string, 0, 10), make(map[string]string)}
}
// Name returns name of Section.
func (s *Section) Name() string {
return s.name
}
// NewKey creates a new key to given section.
func (s *Section) NewKey(name, val string) (*Key, error) {
if len(name) == 0 {
return nil, errors.New("error creating new key: empty key name")
} else if s.f.options.Insensitive {
name = strings.ToLower(name)
}
if s.f.BlockMode {
s.f.lock.Lock()
defer s.f.lock.Unlock()
}
if inSlice(name, s.keyList) {
s.keys[name].value = val
return s.keys[name], nil
}
s.keyList = append(s.keyList, name)
s.keys[name] = &Key{
s: s,
name: name,
value: val,
}
s.keysHash[name] = val
return s.keys[name], nil
}
// GetKey returns key in section by given name.
func (s *Section) GetKey(name string) (*Key, error) {
// FIXME: change to section level lock?
if s.f.BlockMode {
s.f.lock.RLock()
}
if s.f.options.Insensitive {
name = strings.ToLower(name)
}
key := s.keys[name]
if s.f.BlockMode {
s.f.lock.RUnlock()
}
if key == nil {
// Check if it is a child-section.
sname := s.name
for {
if i := strings.LastIndex(sname, "."); i > -1 {
sname = sname[:i]
sec, err := s.f.GetSection(sname)
if err != nil {
continue
}
return sec.GetKey(name)
} else {
break
}
}
return nil, fmt.Errorf("error when getting key of section '%s': key '%s' not exists", s.name, name)
}
return key, nil
}
// HasKey returns true if section contains a key with given name.
func (s *Section) HasKey(name string) bool {
key, _ := s.GetKey(name)
return key != nil
}
// Haskey is a backwards-compatible name for HasKey.
func (s *Section) Haskey(name string) bool {
return s.HasKey(name)
}
// HasValue returns true if section contains given raw value.
func (s *Section) HasValue(value string) bool {
if s.f.BlockMode {
s.f.lock.RLock()
defer s.f.lock.RUnlock()
}
for _, k := range s.keys {
if value == k.value {
return true
}
}
return false
}
// Key assumes named Key exists in section and returns a zero-value when not.
func (s *Section) Key(name string) *Key {
key, err := s.GetKey(name)
if err != nil {
// It's OK here because the only possible error is empty key name,
// but if it's empty, this piece of code won't be executed.
key, _ = s.NewKey(name, "")
return key
}
return key
}
// Keys returns list of keys of section.
func (s *Section) Keys() []*Key {
keys := make([]*Key, len(s.keyList))
for i := range s.keyList {
keys[i] = s.Key(s.keyList[i])
}
return keys
}
// ParentKeys returns list of keys of parent section.
func (s *Section) ParentKeys() []*Key {
var parentKeys []*Key
sname := s.name
for {
if i := strings.LastIndex(sname, "."); i > -1 {
sname = sname[:i]
sec, err := s.f.GetSection(sname)
if err != nil {
continue
}
parentKeys = append(parentKeys, sec.Keys()...)
} else {
break
}
}
return parentKeys
}
// KeyStrings returns list of key names of section.
func (s *Section) KeyStrings() []string {
list := make([]string, len(s.keyList))
copy(list, s.keyList)
return list
}
// KeysHash returns keys hash consisting of names and values.
func (s *Section) KeysHash() map[string]string {
if s.f.BlockMode {
s.f.lock.RLock()
defer s.f.lock.RUnlock()
}
hash := map[string]string{}
for key, value := range s.keysHash {
hash[key] = value
}
return hash
}
// DeleteKey deletes a key from section.
func (s *Section) DeleteKey(name string) {
if s.f.BlockMode {
s.f.lock.Lock()
defer s.f.lock.Unlock()
}
for i, k := range s.keyList {
if k == name {
s.keyList = append(s.keyList[:i], s.keyList[i+1:]...)
delete(s.keys, name)
return
}
}
}

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vendor/github.com/go-ini/ini/struct.go generated vendored Normal file
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@ -0,0 +1,431 @@
// Copyright 2014 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"
"reflect"
"strings"
"time"
"unicode"
)
// NameMapper represents a ini tag name mapper.
type NameMapper func(string) string
// Built-in name getters.
var (
// AllCapsUnderscore converts to format ALL_CAPS_UNDERSCORE.
AllCapsUnderscore NameMapper = func(raw string) string {
newstr := make([]rune, 0, len(raw))
for i, chr := range raw {
if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
if i > 0 {
newstr = append(newstr, '_')
}
}
newstr = append(newstr, unicode.ToUpper(chr))
}
return string(newstr)
}
// TitleUnderscore converts to format title_underscore.
TitleUnderscore NameMapper = func(raw string) string {
newstr := make([]rune, 0, len(raw))
for i, chr := range raw {
if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
if i > 0 {
newstr = append(newstr, '_')
}
chr -= ('A' - 'a')
}
newstr = append(newstr, chr)
}
return string(newstr)
}
)
func (s *Section) parseFieldName(raw, actual string) string {
if len(actual) > 0 {
return actual
}
if s.f.NameMapper != nil {
return s.f.NameMapper(raw)
}
return raw
}
func parseDelim(actual string) string {
if len(actual) > 0 {
return actual
}
return ","
}
var reflectTime = reflect.TypeOf(time.Now()).Kind()
// setSliceWithProperType sets proper values to slice based on its type.
func setSliceWithProperType(key *Key, field reflect.Value, delim string) error {
strs := key.Strings(delim)
numVals := len(strs)
if numVals == 0 {
return nil
}
var vals interface{}
sliceOf := field.Type().Elem().Kind()
switch sliceOf {
case reflect.String:
vals = strs
case reflect.Int:
vals = key.Ints(delim)
case reflect.Int64:
vals = key.Int64s(delim)
case reflect.Uint:
vals = key.Uints(delim)
case reflect.Uint64:
vals = key.Uint64s(delim)
case reflect.Float64:
vals = key.Float64s(delim)
case reflectTime:
vals = key.Times(delim)
default:
return fmt.Errorf("unsupported type '[]%s'", sliceOf)
}
slice := reflect.MakeSlice(field.Type(), numVals, numVals)
for i := 0; i < numVals; i++ {
switch sliceOf {
case reflect.String:
slice.Index(i).Set(reflect.ValueOf(vals.([]string)[i]))
case reflect.Int:
slice.Index(i).Set(reflect.ValueOf(vals.([]int)[i]))
case reflect.Int64:
slice.Index(i).Set(reflect.ValueOf(vals.([]int64)[i]))
case reflect.Uint:
slice.Index(i).Set(reflect.ValueOf(vals.([]uint)[i]))
case reflect.Uint64:
slice.Index(i).Set(reflect.ValueOf(vals.([]uint64)[i]))
case reflect.Float64:
slice.Index(i).Set(reflect.ValueOf(vals.([]float64)[i]))
case reflectTime:
slice.Index(i).Set(reflect.ValueOf(vals.([]time.Time)[i]))
}
}
field.Set(slice)
return nil
}
// setWithProperType sets proper value to field based on its type,
// but it does not return error for failing parsing,
// because we want to use default value that is already assigned to strcut.
func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
switch t.Kind() {
case reflect.String:
if len(key.String()) == 0 {
return nil
}
field.SetString(key.String())
case reflect.Bool:
boolVal, err := key.Bool()
if err != nil {
return nil
}
field.SetBool(boolVal)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
durationVal, err := key.Duration()
// Skip zero value
if err == nil && int(durationVal) > 0 {
field.Set(reflect.ValueOf(durationVal))
return nil
}
intVal, err := key.Int64()
if err != nil || intVal == 0 {
return nil
}
field.SetInt(intVal)
// byte is an alias for uint8, so supporting uint8 breaks support for byte
case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
durationVal, err := key.Duration()
// Skip zero value
if err == nil && int(durationVal) > 0 {
field.Set(reflect.ValueOf(durationVal))
return nil
}
uintVal, err := key.Uint64()
if err != nil {
return nil
}
field.SetUint(uintVal)
case reflect.Float64:
floatVal, err := key.Float64()
if err != nil {
return nil
}
field.SetFloat(floatVal)
case reflectTime:
timeVal, err := key.Time()
if err != nil {
return nil
}
field.Set(reflect.ValueOf(timeVal))
case reflect.Slice:
return setSliceWithProperType(key, field, delim)
default:
return fmt.Errorf("unsupported type '%s'", t)
}
return nil
}
func (s *Section) mapTo(val reflect.Value) error {
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
typ := val.Type()
for i := 0; i < typ.NumField(); i++ {
field := val.Field(i)
tpField := typ.Field(i)
tag := tpField.Tag.Get("ini")
if tag == "-" {
continue
}
opts := strings.SplitN(tag, ",", 2) // strip off possible omitempty
fieldName := s.parseFieldName(tpField.Name, opts[0])
if len(fieldName) == 0 || !field.CanSet() {
continue
}
isAnonymous := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
isStruct := tpField.Type.Kind() == reflect.Struct
if isAnonymous {
field.Set(reflect.New(tpField.Type.Elem()))
}
if isAnonymous || isStruct {
if sec, err := s.f.GetSection(fieldName); err == nil {
if err = sec.mapTo(field); err != nil {
return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
}
continue
}
}
if key, err := s.GetKey(fieldName); err == nil {
if err = setWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim"))); err != nil {
return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
}
}
}
return nil
}
// MapTo maps section to given struct.
func (s *Section) MapTo(v interface{}) error {
typ := reflect.TypeOf(v)
val := reflect.ValueOf(v)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
val = val.Elem()
} else {
return errors.New("cannot map to non-pointer struct")
}
return s.mapTo(val)
}
// MapTo maps file to given struct.
func (f *File) MapTo(v interface{}) error {
return f.Section("").MapTo(v)
}
// MapTo maps data sources to given struct with name mapper.
func MapToWithMapper(v interface{}, mapper NameMapper, source interface{}, others ...interface{}) error {
cfg, err := Load(source, others...)
if err != nil {
return err
}
cfg.NameMapper = mapper
return cfg.MapTo(v)
}
// MapTo maps data sources to given struct.
func MapTo(v, source interface{}, others ...interface{}) error {
return MapToWithMapper(v, nil, source, others...)
}
// reflectSliceWithProperType does the opposite thing as setSliceWithProperType.
func reflectSliceWithProperType(key *Key, field reflect.Value, delim string) error {
slice := field.Slice(0, field.Len())
if field.Len() == 0 {
return nil
}
var buf bytes.Buffer
sliceOf := field.Type().Elem().Kind()
for i := 0; i < field.Len(); i++ {
switch sliceOf {
case reflect.String:
buf.WriteString(slice.Index(i).String())
case reflect.Int, reflect.Int64:
buf.WriteString(fmt.Sprint(slice.Index(i).Int()))
case reflect.Uint, reflect.Uint64:
buf.WriteString(fmt.Sprint(slice.Index(i).Uint()))
case reflect.Float64:
buf.WriteString(fmt.Sprint(slice.Index(i).Float()))
case reflectTime:
buf.WriteString(slice.Index(i).Interface().(time.Time).Format(time.RFC3339))
default:
return fmt.Errorf("unsupported type '[]%s'", sliceOf)
}
buf.WriteString(delim)
}
key.SetValue(buf.String()[:buf.Len()-1])
return nil
}
// reflectWithProperType does the opposite thing as setWithProperType.
func reflectWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
switch t.Kind() {
case reflect.String:
key.SetValue(field.String())
case reflect.Bool:
key.SetValue(fmt.Sprint(field.Bool()))
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
key.SetValue(fmt.Sprint(field.Int()))
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
key.SetValue(fmt.Sprint(field.Uint()))
case reflect.Float32, reflect.Float64:
key.SetValue(fmt.Sprint(field.Float()))
case reflectTime:
key.SetValue(fmt.Sprint(field.Interface().(time.Time).Format(time.RFC3339)))
case reflect.Slice:
return reflectSliceWithProperType(key, field, delim)
default:
return fmt.Errorf("unsupported type '%s'", t)
}
return nil
}
// CR: copied from encoding/json/encode.go with modifications of time.Time support.
// TODO: add more test coverage.
func isEmptyValue(v reflect.Value) bool {
switch v.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
return v.Len() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflectTime:
return v.Interface().(time.Time).IsZero()
case reflect.Interface, reflect.Ptr:
return v.IsNil()
}
return false
}
func (s *Section) reflectFrom(val reflect.Value) error {
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
typ := val.Type()
for i := 0; i < typ.NumField(); i++ {
field := val.Field(i)
tpField := typ.Field(i)
tag := tpField.Tag.Get("ini")
if tag == "-" {
continue
}
opts := strings.SplitN(tag, ",", 2)
if len(opts) == 2 && opts[1] == "omitempty" && isEmptyValue(field) {
continue
}
fieldName := s.parseFieldName(tpField.Name, opts[0])
if len(fieldName) == 0 || !field.CanSet() {
continue
}
if (tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous) ||
(tpField.Type.Kind() == reflect.Struct && tpField.Type.Name() != "Time") {
// Note: The only error here is section doesn't exist.
sec, err := s.f.GetSection(fieldName)
if err != nil {
// Note: fieldName can never be empty here, ignore error.
sec, _ = s.f.NewSection(fieldName)
}
if err = sec.reflectFrom(field); err != nil {
return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
}
continue
}
// Note: Same reason as secion.
key, err := s.GetKey(fieldName)
if err != nil {
key, _ = s.NewKey(fieldName, "")
}
if err = reflectWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim"))); err != nil {
return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
}
}
return nil
}
// ReflectFrom reflects secion from given struct.
func (s *Section) ReflectFrom(v interface{}) error {
typ := reflect.TypeOf(v)
val := reflect.ValueOf(v)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
val = val.Elem()
} else {
return errors.New("cannot reflect from non-pointer struct")
}
return s.reflectFrom(val)
}
// ReflectFrom reflects file from given struct.
func (f *File) ReflectFrom(v interface{}) error {
return f.Section("").ReflectFrom(v)
}
// ReflectFrom reflects data sources from given struct with name mapper.
func ReflectFromWithMapper(cfg *File, v interface{}, mapper NameMapper) error {
cfg.NameMapper = mapper
return cfg.ReflectFrom(v)
}
// ReflectFrom reflects data sources from given struct.
func ReflectFrom(cfg *File, v interface{}) error {
return ReflectFromWithMapper(cfg, v, nil)
}