39 lines
926 B
Go
39 lines
926 B
Go
package processing
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"regexp"
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models "gitea.likemath.ru/alex/gogrep/internal/models"
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)
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// ProcessSingleFile processes file and send it Result to channel
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func ProcessSingleFile(rePattern regexp.Regexp, path string, out chan models.FileMatchData) {
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file, err := os.Open(path)
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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res := models.FileMatchData{Path: path, LineIndexes: make([]int, 0), Lines: make([]string, 0)}
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scanner := bufio.NewScanner(file)
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// optionally, resize scanner's capacity for lines over 64K, see next example
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curLineInd := 1
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for scanner.Scan() {
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lineText := scanner.Text()
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if rePattern.FindString(lineText) != "" {
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res.LineIndexes = append(res.LineIndexes, curLineInd)
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res.Lines = append(res.Lines, lineText)
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}
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curLineInd++
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}
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if err := scanner.Err(); err != nil {
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fmt.Printf("Error %v with file %v\n", err, path)
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}
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out <- res
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}
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