1 | #!/usr/bin/env node
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2 | // vim:ft=javascript
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3 |
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4 | var args = require('minimist')(process.argv.slice(2), {
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5 | string: 'lang',
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6 | boolean: ['pager', 'numbers'],
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7 | default: {
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8 | pager: true,
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9 | },
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10 | alias: {
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11 | h: 'help', v: 'version', l: 'lang', page: 'pager', N: 'numbers'
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12 | }
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13 | });
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14 |
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15 | var read = require('../lib/read'),
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16 | hicat = require('../index'),
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17 | term = require('../lib/term');
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18 |
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19 | /**
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20 | * --help: display help usage.
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21 | */
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22 |
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23 | if (args.help) {
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24 | console.log([
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25 | 'Usage:',
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26 | ' hicat [options] FILE',
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27 | ' ... | hicat [options]',
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28 | '',
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29 | 'Options:',
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30 | ' -h, --help print usage information',
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31 | ' -v, --version show version info and exit',
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32 | ' -l, --lang TYPE use a given language',
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33 | ' -N, --numbers add line numbers',
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34 | ' --languages list available languages',
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35 | ' --no-pager disable the pager',
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36 | ' --debug show verbose info',
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37 | ].join('\n'));
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38 | process.exit(0);
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39 | }
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40 |
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41 | if (args.version) {
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42 | console.log(require('../package.json').version);
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43 | process.exit(0);
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44 | }
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45 |
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46 | /**
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47 | * --languages: list languages.
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48 | */
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49 |
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50 | if (args.languages) {
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51 | console.log(hicat.listLanguages().sort().join("\n"));
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52 | process.exit(0);
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53 | }
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54 |
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55 | /**
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56 | * --list-colors: display the color scheme used.
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57 | * Undocumented for now, but will be configurable soon.
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58 | */
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59 |
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60 | if (args['list-colors']) {
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61 | Object.keys(hicat.colors).forEach(function (key) {
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62 | var val = hicat.colors[key];
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63 | console.log(key + "=" + val);
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64 | });
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65 | process.exit(0);
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66 | }
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67 |
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68 | /*
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69 | * Read files from stdin or from the given files.
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70 | */
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71 |
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72 | var exit = 0;
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73 | var str = '';
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74 |
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75 | read(args._, function (err, data) {
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76 | var files = data.files;
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77 | files.forEach(function (f) {
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78 | if (f.error) {
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79 | console.error(f.file + ": " + f.error.message);
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80 | exit = 8;
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81 | } else {
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82 | var output = hicat(f.data, {
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83 | filename: f.name,
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84 | lang: args.lang,
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85 | debug: args.debug,
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86 | numbers: args.numbers
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87 | });
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88 | str += output.ansi;
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89 | }
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90 | });
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91 |
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92 | // check if it's stdin
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93 | var stdin = files && files[0] && files[0].stdin;
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94 |
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95 | // don't use the pager on --no-pager, piping, or non-0 exit codes
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96 | if (!args.pager || stdin || exit)
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97 | process.stdout.write(str);
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98 | else
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99 | term.print(str);
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100 |
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101 | if (exit > 0) process.exit(exit);
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102 | });
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103 |
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