Mercurial > yakumo_izuru > aya

annotate zs_ext.go @ 28:5ee89d094279 draft

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removed default date value, added some default title/description/keywords for markdown
author zaitsev.serge
date Sun, 30 Aug 2015 13:50:03 +0000
parents d966bcb229c0
children b2f491299cee
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1 package main
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2
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3 import (
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4 "bytes"
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5 "os"
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6 "strconv"
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7 "strings"
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8 "time"
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9
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10 "math"
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11
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12 "github.com/drhodes/golorem"
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13 "github.com/jaytaylor/html2text"
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14 )
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15
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16 // zs var <filename> -- returns list of variables and their values
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17 // zs var <filename> <var...> -- returns list of variable values
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18 func Var(args []string) string {
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19 if len(args) == 0 {
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20 return "var: filename expected"
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21 } else {
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22 s := ""
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23 if vars, _, err := md(args[0], globals()); err != nil {
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24 return "var: " + err.Error()
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25 } else {
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26 if len(args) > 1 {
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27 for _, a := range args[1:] {
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28 s = s + vars[a] + "\n"
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29 }
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30 } else {
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31 for k, v := range vars {
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32 s = s + k + ":" + v + "\n"
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33 }
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34 }
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35 }
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36 return strings.TrimSpace(s)
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37 }
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38 }
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40 // zs lorem <n> -- returns <n> random lorem ipsum sentences
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41 func Lorem(args []string) string {
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42 if len(args) > 1 {
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43 return "lorem: invalid usage"
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44 }
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45 if len(args) == 0 {
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46 return lorem.Paragraph(5, 5)
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47 }
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48 if n, err := strconv.Atoi(args[0]); err == nil {
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49 return lorem.Paragraph(n, n)
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50 } else {
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51 return "lorem: " + err.Error()
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52 }
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53 }
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55 // zs datefmt <fmt> <date> -- returns formatted date from unix time
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56 func DateFmt(args []string) string {
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57 if len(args) == 0 || len(args) > 2 {
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58 return "datefmt: invalid usage"
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59 }
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60 if n, err := strconv.ParseInt(args[1], 10, 64); err == nil {
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61 return time.Unix(n, 0).Format(args[0])
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62 } else {
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63 return "datefmt: " + err.Error()
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64 }
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65 }
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67 // zs dateparse <fmt> <date> -- returns unix time from the formatted date
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68 func DateParse(args []string) string {
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69 if len(args) == 0 || len(args) > 2 {
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70 return "dateparse: invalid usage"
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71 }
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72 if d, err := time.Parse(args[0], args[1]); err != nil {
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73 return "dateparse: " + err.Error()
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74 } else {
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75 return strconv.FormatInt(d.Unix(), 10)
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76 }
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77 }
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78
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79 // zs wc <file> -- returns word count in the file (markdown, html or amber)
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80 func WordCount(args []string) int {
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81 if os.Getenv("ZS_RECURSION") != "" {
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82 return 0
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83 }
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84 if len(args) != 1 {
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85 return 0
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86 }
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87 os.Setenv("ZS_RECURSION", "1")
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88 out := &bytes.Buffer{}
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89 if err := build(args[0], out, builtins(), globals()); err != nil {
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90 return 0
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91 }
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92 if s, err := html2text.FromString(string(out.Bytes())); err != nil {
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93 return 0
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94 } else {
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95 return len(strings.Fields(s))
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96 }
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97 }
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98
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99 // zs timetoread <file> -- returns number of minutes required to read the text
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100 func TimeToRead(args []string) int {
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101 wc := WordCount(args)
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102 return int(math.Floor(float64(wc)/200.0 + .5))
25
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103 }