111 lines
1.8 KiB
Go
111 lines
1.8 KiB
Go
package mercury
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import (
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"bufio"
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"io"
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"strings"
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)
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func ParseText(body io.Reader) (config SpaceMap, err error) {
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config = make(SpaceMap)
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var space string
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var name string
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var tags []string
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var notes []string
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var seq uint64
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scanner := bufio.NewScanner(body)
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for scanner.Scan() {
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line := scanner.Text()
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if len(line) == 0 {
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continue
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}
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if strings.HasPrefix(line, "#") {
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notes = append(notes, strings.TrimPrefix(line, "# "))
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continue
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}
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if strings.HasPrefix(line, "@") {
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var c *Space
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var ok bool
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sp := strings.Fields(strings.TrimPrefix(line, "@"))
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space = sp[0]
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if c, ok = config[space]; !ok {
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c = &Space{Space: space}
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}
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c.Notes = append(make([]string, 0, len(notes)), notes...)
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c.Tags = append(make([]string, 0, len(sp[1:])), sp[1:]...)
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config[space] = c
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notes = notes[:0]
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tags = tags[:0]
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continue
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}
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if space == "" {
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continue
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}
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sp := strings.SplitN(line, ":", 2)
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if len(sp) < 2 {
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continue
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}
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if strings.TrimSpace(sp[0]) == "" {
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var c *Space
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var ok bool
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if c, ok = config[space]; !ok {
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c = &Space{Space: space}
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}
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c.List[len(c.List)-1].Values = append(c.List[len(c.List)-1].Values, sp[1])
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config[space] = c
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continue
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}
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fields := strings.Fields(sp[0])
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name = fields[0]
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if len(fields) > 1 {
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tags = fields[1:]
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}
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var c *Space
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var ok bool
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if c, ok = config[space]; !ok {
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c = &Space{Space: space}
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}
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seq++
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c.List = append(
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c.List,
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Value{
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Seq: seq,
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Name: name,
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Tags: append(make([]string, 0, len(tags)), tags...),
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Notes: append(make([]string, 0, len(notes)), notes...),
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Values: []string{sp[1]},
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},
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)
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config[space] = c
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notes = notes[:0]
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tags = tags[:0]
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}
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if err = scanner.Err(); err != nil {
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return nil, err
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}
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return
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}
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