[209] | 1 | // Copyright Benoit Blanchon 2014-2016
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| 2 | // MIT License
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| 3 | //
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| 4 | // Arduino JSON library
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| 5 | // https://github.com/bblanchon/ArduinoJson
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| 6 | // If you like this project, please add a star!
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| 7 |
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| 8 | #include "../../include/ArduinoJson/Internals/Prettyfier.hpp"
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| 9 |
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| 10 | using namespace ArduinoJson::Internals;
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| 11 |
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| 12 | size_t Prettyfier::write(uint8_t c) {
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| 13 | size_t n = _inString ? handleStringChar(c) : handleMarkupChar(c);
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| 14 | _previousChar = c;
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| 15 | return n;
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| 16 | }
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| 17 |
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| 18 | inline size_t Prettyfier::handleStringChar(uint8_t c) {
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| 19 | bool isQuote = c == '"' && _previousChar != '\\';
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| 20 |
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| 21 | if (isQuote) _inString = false;
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| 22 |
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| 23 | return _sink.write(c);
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| 24 | }
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| 25 |
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| 26 | inline size_t Prettyfier::handleMarkupChar(uint8_t c) {
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| 27 | switch (c) {
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| 28 | case '{':
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| 29 | case '[':
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| 30 | return handleBlockOpen(c);
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| 31 |
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| 32 | case '}':
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| 33 | case ']':
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| 34 | return handleBlockClose(c);
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| 35 |
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| 36 | case ':':
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| 37 | return handleColon();
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| 38 |
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| 39 | case ',':
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| 40 | return handleComma();
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| 41 |
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| 42 | case '"':
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| 43 | return handleQuoteOpen();
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| 44 |
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| 45 | default:
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| 46 | return handleNormalChar(c);
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | inline size_t Prettyfier::handleBlockOpen(uint8_t c) {
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| 51 | return indentIfNeeded() + _sink.write(c);
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| 52 | }
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| 53 |
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| 54 | inline size_t Prettyfier::handleBlockClose(uint8_t c) {
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| 55 | return unindentIfNeeded() + _sink.write(c);
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| 56 | }
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| 57 |
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| 58 | inline size_t Prettyfier::handleColon() {
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| 59 | return _sink.write(':') + _sink.write(' ');
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| 60 | }
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| 61 |
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| 62 | inline size_t Prettyfier::handleComma() {
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| 63 | return _sink.write(',') + _sink.println();
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| 64 | }
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| 65 |
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| 66 | inline size_t Prettyfier::handleQuoteOpen() {
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| 67 | _inString = true;
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| 68 | return indentIfNeeded() + _sink.write('"');
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| 69 | }
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| 70 |
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| 71 | inline size_t Prettyfier::handleNormalChar(uint8_t c) {
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| 72 | return indentIfNeeded() + _sink.write(c);
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| 73 | }
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| 74 |
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| 75 | size_t Prettyfier::indentIfNeeded() {
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| 76 | if (!inEmptyBlock()) return 0;
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| 77 |
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| 78 | _sink.indent();
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| 79 | return _sink.println();
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| 80 | }
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| 81 |
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| 82 | size_t Prettyfier::unindentIfNeeded() {
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| 83 | if (inEmptyBlock()) return 0;
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| 84 |
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| 85 | _sink.unindent();
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| 86 | return _sink.println();
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| 87 | }
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