mirror of
https://github.com/go-gitea/gitea.git
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195 lines
5.3 KiB
Go
Vendored
195 lines
5.3 KiB
Go
Vendored
package editorconfig
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import (
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"fmt"
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"strconv"
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"strings"
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"golang.org/x/mod/semver"
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"gopkg.in/ini.v1"
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)
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// Definition represents a definition inside the .editorconfig file.
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// E.g. a section of the file.
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// The definition is composed of the selector ("*", "*.go", "*.{js.css}", etc),
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// plus the properties of the selected files.
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type Definition struct {
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Selector string `ini:"-" json:"-"`
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Charset string `ini:"charset" json:"charset,omitempty"`
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IndentStyle string `ini:"indent_style" json:"indent_style,omitempty"`
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IndentSize string `ini:"indent_size" json:"indent_size,omitempty"`
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TabWidth int `ini:"-" json:"-"`
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EndOfLine string `ini:"end_of_line" json:"end_of_line,omitempty"`
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TrimTrailingWhitespace *bool `ini:"-" json:"-"`
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InsertFinalNewline *bool `ini:"-" json:"-"`
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Raw map[string]string `ini:"-" json:"-"`
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version string
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}
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// NewDefinition builds a definition from a given config.
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func NewDefinition(config Config) (*Definition, error) {
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return config.Load(config.Path)
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}
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// normalize fixes some values to their lowercase value.
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func (d *Definition) normalize() error {
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d.Charset = strings.ToLower(d.Charset)
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d.EndOfLine = strings.ToLower(d.Raw["end_of_line"])
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d.IndentStyle = strings.ToLower(d.Raw["indent_style"])
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trimTrailingWhitespace, ok := d.Raw["trim_trailing_whitespace"]
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if ok && trimTrailingWhitespace != UnsetValue {
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trim, err := strconv.ParseBool(trimTrailingWhitespace)
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if err != nil {
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return fmt.Errorf("trim_trailing_whitespace=%s is not an acceptable value. %w", trimTrailingWhitespace, err)
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}
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d.TrimTrailingWhitespace = &trim
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}
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insertFinalNewline, ok := d.Raw["insert_final_newline"]
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if ok && insertFinalNewline != UnsetValue {
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insert, err := strconv.ParseBool(insertFinalNewline)
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if err != nil {
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return fmt.Errorf("insert_final_newline=%s is not an acceptable value. %w", insertFinalNewline, err)
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}
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d.InsertFinalNewline = &insert
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}
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// tab_width from Raw
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tabWidth, ok := d.Raw["tab_width"]
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if ok && tabWidth != UnsetValue {
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num, err := strconv.Atoi(tabWidth)
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if err != nil {
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return fmt.Errorf("tab_width=%s is not an acceptable value. %w", tabWidth, err)
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}
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d.TabWidth = num
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}
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// tab_width defaults to indent_size:
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// https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties#tab_width
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num, err := strconv.Atoi(d.IndentSize)
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if err == nil && d.TabWidth <= 0 {
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d.TabWidth = num
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}
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return nil
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}
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// merge the parent definition into the child definition.
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func (d *Definition) merge(md *Definition) {
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if len(d.Charset) == 0 {
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d.Charset = md.Charset
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}
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if len(d.IndentStyle) == 0 {
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d.IndentStyle = md.IndentStyle
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}
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if len(d.IndentSize) == 0 {
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d.IndentSize = md.IndentSize
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}
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if d.TabWidth <= 0 {
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d.TabWidth = md.TabWidth
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}
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if len(d.EndOfLine) == 0 {
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d.EndOfLine = md.EndOfLine
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}
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if trimTrailingWhitespace, ok := d.Raw["trim_trailing_whitespace"]; !ok || trimTrailingWhitespace != UnsetValue {
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if d.TrimTrailingWhitespace == nil {
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d.TrimTrailingWhitespace = md.TrimTrailingWhitespace
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}
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}
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if insertFinalNewline, ok := d.Raw["insert_final_newline"]; !ok || insertFinalNewline != UnsetValue {
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if d.InsertFinalNewline == nil {
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d.InsertFinalNewline = md.InsertFinalNewline
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}
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}
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for k, v := range md.Raw {
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if _, ok := d.Raw[k]; !ok {
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d.Raw[k] = v
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}
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}
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}
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// InsertToIniFile writes the definition into a ini file.
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func (d *Definition) InsertToIniFile(iniFile *ini.File) { // nolint: funlen,gocognit
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iniSec := iniFile.Section(d.Selector)
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for k, v := range d.Raw {
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switch k {
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case "insert_final_newline":
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if d.InsertFinalNewline != nil {
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v = strconv.FormatBool(*d.InsertFinalNewline)
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} else {
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insertFinalNewline, ok := d.Raw["insert_final_newline"]
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if !ok {
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break
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}
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v = strings.ToLower(insertFinalNewline)
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}
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case "trim_trailing_whitespace":
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if d.TrimTrailingWhitespace != nil {
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v = strconv.FormatBool(*d.TrimTrailingWhitespace)
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} else {
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trimTrailingWhitespace, ok := d.Raw["trim_trailing_whitespace"]
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if !ok {
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break
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}
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v = strings.ToLower(trimTrailingWhitespace)
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}
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case "charset":
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v = d.Charset
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case "end_of_line":
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v = d.EndOfLine
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case "indent_style":
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v = d.IndentStyle
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case "tab_width":
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tabWidth, ok := d.Raw["tab_width"]
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if ok && tabWidth == UnsetValue {
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v = tabWidth
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} else {
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v = strconv.Itoa(d.TabWidth)
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}
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case "indent_size":
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v = d.IndentSize
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}
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iniSec.NewKey(k, v) // nolint: errcheck
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}
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if _, ok := d.Raw["indent_size"]; !ok {
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tabWidth, ok := d.Raw["tab_width"]
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switch {
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case ok && tabWidth == UnsetValue:
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// do nothing
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case d.TabWidth > 0:
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iniSec.NewKey("indent_size", strconv.Itoa(d.TabWidth)) // nolint: errcheck
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case d.IndentStyle == IndentStyleTab && (d.version == "" || semver.Compare(d.version, "v0.9.0") >= 0):
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iniSec.NewKey("indent_size", IndentStyleTab) // nolint: errcheck
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}
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}
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if _, ok := d.Raw["tab_width"]; !ok {
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if d.IndentSize == UnsetValue {
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iniSec.NewKey("tab_width", d.IndentSize) // nolint: errcheck
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} else {
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_, err := strconv.Atoi(d.IndentSize)
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if err == nil {
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iniSec.NewKey("tab_width", d.Raw["indent_size"]) // nolint: errcheck
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}
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}
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}
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}
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