Last change
on this file since 16620 was
16620,
checked in by hmaislin, 5 years ago
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#2929: Reorganized folder structure for make script, removed explicit marshalling, erased go-side logging
|
File size:
1.0 KB
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Line | |
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1 | package config |
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2 | |
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3 | import ( |
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4 | "bytes" |
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5 | "io" |
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6 | "strings" |
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7 | ) |
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8 | |
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9 | func ParseConfig(contents []byte, mapper func(field, value string, config interface{}) (err error), config interface{}) error { |
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10 | data := bytes.NewBuffer(contents) |
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11 | |
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12 | var field, value string |
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13 | var err error |
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14 | |
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15 | lineNum := 0 |
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16 | for { |
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17 | l, buferr := data.ReadString('\n') // parse line-by-line |
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18 | lineNum++ |
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19 | l = strings.TrimSpace(l) |
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20 | |
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21 | if buferr != nil { |
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22 | if buferr != io.EOF { |
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23 | return buferr |
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24 | } |
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25 | |
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26 | if len(l) == 0 { |
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27 | break |
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28 | } |
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29 | } |
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30 | |
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31 | if len(l) == 0 { |
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32 | continue |
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33 | } // empty line |
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34 | |
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35 | // strip comments |
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36 | if p := strings.Index(l, "#"); p >= 0 { // comment |
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37 | l = l[:p] |
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38 | } |
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39 | // for comments that take a whole line |
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40 | l = strings.TrimSpace(l) |
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41 | if len(l) == 0 { |
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42 | continue |
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43 | } |
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44 | |
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45 | // fill field and value strings |
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46 | if p := strings.Index(l, "="); p >= 0 { // comment |
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47 | field = strings.TrimSpace(l[:p-1]) |
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48 | value = strings.TrimSpace(l[p+1:]) |
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49 | } else { |
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50 | } |
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51 | |
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52 | err = mapper(field, value, config) |
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53 | |
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54 | if err != nil { |
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55 | return err |
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56 | } |
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57 | // Reached end of data |
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58 | if buferr == io.EOF { |
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59 | break |
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60 | } |
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61 | } |
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62 | return nil |
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63 | } |
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