Marc Mintel
5397309103
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47 lines
1.2 KiB
Plaintext
47 lines
1.2 KiB
Plaintext
const textParsers = require('./lib/textParsers')
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const binaryParsers = require('./lib/binaryParsers')
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const builtinTypes = require('./lib/builtins')
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exports.getTypeParser = getTypeParser
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exports.setTypeParser = setTypeParser
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exports.builtins = builtinTypes
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const typeParsers = {
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text: {},
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binary: {}
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}
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// the empty parse function
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const noParse = String
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// returns a function used to convert a specific type (specified by
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// oid) into a result javascript type
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// note: the oid can be obtained via the following sql query:
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// SELECT oid FROM pg_type WHERE typname = 'TYPE_NAME_HERE';
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function getTypeParser (oid, format) {
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format = format || 'text'
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if (!typeParsers[format]) {
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return noParse
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}
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return typeParsers[format][oid] || noParse
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};
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function setTypeParser (oid, format, parseFn) {
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if (typeof format === 'function') {
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parseFn = format
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format = 'text'
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}
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if (!Number.isInteger(oid)) {
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throw new TypeError('oid must be an integer: ' + oid)
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}
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typeParsers[format][oid] = parseFn
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};
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textParsers.init(function (oid, converter) {
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typeParsers.text[oid] = converter
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})
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binaryParsers.init(function (oid, converter) {
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typeParsers.binary[oid] = converter
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})
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