mirror of https://github.com/go-gitea/gitea.git
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package editorconfig
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import (
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"fmt"
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"os"
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"regexp"
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"gopkg.in/ini.v1"
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)
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// CachedParser implements the Parser interface but caches the definition and
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// the regular expressions.
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type CachedParser struct {
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editorconfigs map[string]*Editorconfig
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regexps map[string]*regexp.Regexp
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}
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// NewCachedParser initializes the CachedParser.
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func NewCachedParser() *CachedParser {
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return &CachedParser{
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editorconfigs: make(map[string]*Editorconfig),
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regexps: make(map[string]*regexp.Regexp),
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}
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}
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// ParseIni parses the given filename to a Definition and caches the result.
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func (parser *CachedParser) ParseIni(filename string) (*Editorconfig, error) {
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ec, ok := parser.editorconfigs[filename]
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if !ok {
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fp, err := os.Open(filename)
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if err != nil {
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return nil, fmt.Errorf("error opening %q: %w", filename, err)
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}
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defer fp.Close()
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iniFile, err := ini.Load(fp)
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if err != nil {
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return nil, fmt.Errorf("error loading ini file %q: %w", filename, err)
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}
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ec, err = newEditorconfig(iniFile)
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if err != nil {
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return nil, fmt.Errorf("error creating config: %w", err)
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}
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parser.editorconfigs[filename] = ec
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}
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return ec, nil
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}
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// FnmatchCase calls the module's FnmatchCase and caches the parsed selector.
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func (parser *CachedParser) FnmatchCase(selector string, filename string) (bool, error) {
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r, ok := parser.regexps[selector]
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if !ok {
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p := translate(selector)
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var err error
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r, err = regexp.Compile(fmt.Sprintf("^%s$", p))
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if err != nil {
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return false, fmt.Errorf("error compiling selector %q: %w", selector, err)
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}
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parser.regexps[selector] = r
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}
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return r.MatchString(filename), nil
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}
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