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annotate src/implab/text/format.js @ 0:fc2517695ee1

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Initial commit, draft import of existing work
author cin
date Thu, 01 Jun 2017 13:20:03 +0300
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children 93fb6c09f2e1
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1 define([
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2 "./safe",
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3 "./format-compile",
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4 "dojo/number",
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5 "dojo/date/locale",
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6 "dojo/_base/array" ], function(safe, compile, number, date, array) {
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7
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8 // {short,medium,full,long}-{date,time}
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9 var convert = function(value, pattern) {
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10 if (!pattern)
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11 return value.toString();
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12
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13 if (pattern.toLocaleLowerCase() == "json") {
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14 var cache = [];
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15 return JSON.stringify(value, function(k, v) {
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16 if (!safe.isPrimitive(v)) {
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17 var id = array.indexOf(cache, v);
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18 if (id >= 0)
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19 return "@ref-" + id;
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20 else
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21 return v;
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22 } else {
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23 return v;
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24 }
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25 });
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26 }
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27
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28 if (safe.isNumber(value)) {
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29 var nopt = {};
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30 if (pattern.indexOf("!") === 0) {
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31 nopt.round = -1;
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32 pattern = pattern.substr(1);
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33 }
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34 nopt.pattern = pattern;
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35 return number.format(value, nopt);
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36 } else if (value instanceof Date) {
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37 var m = pattern.match(/^(\w+)-(\w+)$/);
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38 if (m)
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39 return date.format(value, {
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40 selector : m[2],
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41 formatLength : m[1]
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42 });
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43 else
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44 return date.format(value, {
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45 selector : "date",
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46 datePattern : pattern
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47 });
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48 } else {
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49 return value.toString(pattern);
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50 }
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51 };
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52
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53 function formatter(format) {
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54 var data;
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55
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56 if (arguments.length <= 1)
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57 return format;
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58
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59 data = Array.prototype.slice.call(arguments, 1);
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60
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61 var template = compile(format);
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62
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63 return template(function(name, pattern) {
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64 var value = data[name];
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65 return !safe.isNull(value) ? convert(value, pattern) : "";
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66 });
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67 }
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68
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69 formatter.compile = function(format) {
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70 var template = compile(format);
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71
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72 return function() {
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73 var data = arguments;
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74
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75 return template(function(name, pattern) {
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76 var value = data[name];
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77 return !safe.isNull(value) ? convert(value, pattern) : "";
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78 });
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79 };
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80 };
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81
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82 formatter.convert = convert;
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83
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84 return formatter;
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85 });