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// Copyright 2024 Google LLC
//
// 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 yamlfmt
import (
"os"
"regexp"
"github.com/google/yamlfmt/internal/collections"
)
type ContentAnalyzer interface {
ExcludePathsByContent(paths []string) ([]string, []string, error)
}
type BasicContentAnalyzer struct {
RegexPatterns []*regexp.Regexp
}
func NewBasicContentAnalyzer(patterns []string) (BasicContentAnalyzer, error) {
analyzer := BasicContentAnalyzer{RegexPatterns: []*regexp.Regexp{}}
compileErrs := collections.Errors{}
for _, pattern := range patterns {
re, err := regexp.Compile(pattern)
if err != nil {
compileErrs = append(compileErrs, err)
continue
}
analyzer.RegexPatterns = append(analyzer.RegexPatterns, re)
}
return analyzer, compileErrs.Combine()
}
func (a BasicContentAnalyzer) ExcludePathsByContent(paths []string) ([]string, []string, error) {
pathsToFormat := collections.SliceToSet(paths)
pathsExcluded := []string{}
pathErrs := collections.Errors{}
for _, path := range paths {
content, err := os.ReadFile(path)
if err != nil {
pathErrs = append(pathErrs, err)
continue
}
// Search metadata for ignore
metadata, mdErrs := ReadMetadata(content, path)
if len(mdErrs) != 0 {
pathErrs = append(pathErrs, mdErrs...)
}
ignoreFound := false
for md := range metadata {
if md.Type == MetadataIgnore {
ignoreFound = true
break
}
}
if ignoreFound {
pathsExcluded = append(pathsExcluded, path)
pathsToFormat.Remove(path)
continue
}
// Check if content matches any regex
matched := false
for _, pattern := range a.RegexPatterns {
if pattern.Match(content) {
matched = true
}
}
if matched {
pathsExcluded = append(pathsExcluded, path)
pathsToFormat.Remove(path)
}
}
return pathsToFormat.ToSlice(), pathsExcluded, pathErrs.Combine()
}
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