124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
package process
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import (
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"os"
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"log"
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"bufio"
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"regexp"
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"io/ioutil"
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"strconv"
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"strings"
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)
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type RepTask struct {
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Is bool
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A, B int
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}
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type ProcessHandler interface {
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Writeln(line string)
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ProcessLine(line string, indentLevel int, stack []string, todo bool, done bool, repTask RepTask)
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Eof()
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NewFile()
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}
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func GetFiles() (filteredFiles []string) {
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// open current directory
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files, err := ioutil.ReadDir("./")
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if err != nil {
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log.Fatal(err)
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}
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filteredFiles = []string{}
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// process files of '2*.md'
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for _, file := range files {
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if file.Name()[0] == '2' && file.Name()[len(file.Name())-3:] == ".md" {
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filteredFiles = append(filteredFiles, file.Name())
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}
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}
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return
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}
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func ProcessFile(ph ProcessHandler, fileName string) {
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file, err := os.Open(fileName)
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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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ph.NewFile()
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stack := make([]string, 0)
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scanner := bufio.NewScanner(file)
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indentPattern := ""
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startSpaces := regexp.MustCompile("^[\t ]*")
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indentLevel := 0
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for scanner.Scan() {
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line := scanner.Text()
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// if current line has no spaces at front, reset indent pattern
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if len(line) == 0 || (line[0] != ' ' && line[0] != '\t') {
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indentPattern = ""
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}
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// if no indent pattern and opening of line is space, set indent pattern
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if indentPattern == "" && len(line) > 0 && (line[0] != ' ' || line[0] != '\t') {
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indentPattern = startSpaces.FindString(line)
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}
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// number of times indent pattern repeats at front of line
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if indentPattern == "" {
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indentLevel = 0
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} else {
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indentLevel = strings.Count(startSpaces.FindString(line), indentPattern)
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}
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todo := false
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done := false
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var repTask RepTask
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if indentLevel < len(stack)-1 {
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stack = stack[: indentLevel+1]
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}
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if indentLevel == len(stack)-1 {
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stack[len(stack)-1], todo, done, repTask = getText(line, indentLevel, indentPattern)
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}
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if indentLevel >= len(stack) {
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row := ""
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row, todo, done, repTask = getText(line, indentLevel, indentPattern)
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stack = append(stack, row)
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}
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ph.ProcessLine(line, indentLevel, stack, todo, done, repTask)
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}
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ph.Eof()
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}
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func getText(str string, indentLevel int, indentPattern string) (text string, todo bool, done bool, repTask RepTask) {
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//fmt.Printf("indentLevel: %v str: '%s'\n", indentLevel, str )
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if len(str) < (indentLevel*4 +2) {
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return "", false, false, RepTask{false, 0, 0}
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}
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str = strings.TrimLeft(str, strings.Repeat(indentPattern, indentLevel))
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text = str[2:]
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done = false
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todo = false
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repTask.Is = false
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if text[0] == '[' {
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todo = true
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if text[1] == 'x' || text[1] == 'X' {
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done = true
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}
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if len(text) > 4 {
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text = text[4:]
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}
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repTaskRegExp := regexp.MustCompile("^([0-9]*)[xX]([0-9]*)")
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if repTaskRegExp.MatchString(text) {
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repTask.Is = true
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matches := repTaskRegExp.FindStringSubmatch(text)
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repTask.A, _ = strconv.Atoi(matches[1])
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repTask.B, _ = strconv.Atoi(matches[2])
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loc := repTaskRegExp.FindIndex([]byte(text))
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text = text[loc[1]:]
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}
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}
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return
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} |