forked from bblanchon/ArduinoJson
104 lines
1.9 KiB
C++
104 lines
1.9 KiB
C++
/*
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* Arduino JSON library
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* Benoit Blanchon 2014 - MIT License
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*/
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#include "PrettyPrintDecorator.h"
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size_t PrettyPrintDecorator::write(uint8_t c)
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{
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size_t n;
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switch (c)
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{
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case '{':
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case '[':
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n = inString ? writeNormalChar(c) : writeOpening(c);
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break;
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case '}':
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case ']':
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n = inString ? writeNormalChar(c) : writeClosing(c);
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break;
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case ',':
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n = inString ? writeNormalChar(c) : writeComma();
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break;
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case ':':
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n = inString ? writeNormalChar(c) : writeColumn();
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break;
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case '\"':
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n = writeNormalChar(c);
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if (previousChar != '\\')
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inString = !inString;
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break;
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default:
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n = writeNormalChar(c);
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break;
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}
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previousChar = c;
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return n;
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}
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size_t PrettyPrintDecorator::writeln()
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{
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size_t n = sink.write('\n');
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for (int i = 0; i < indent; i++)
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n += sink.write(' ');
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return n;
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}
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size_t PrettyPrintDecorator::writeNormalChar(uint8_t c)
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{
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bool inEmptyBlock = !inString && (previousChar == '{' || previousChar == '[');
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return inEmptyBlock ? writeln() + sink.write(c) : sink.write(c);
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}
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size_t PrettyPrintDecorator::writeColumn()
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{
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return sink.write(':') + sink.write(' ');
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}
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size_t PrettyPrintDecorator::writeComma()
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{
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return sink.write(',') + writeln();
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}
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size_t PrettyPrintDecorator::writeOpening(uint8_t c)
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{
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size_t n;
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if (previousChar == '{' || previousChar == '[')
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{
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n = writeln() + sink.write(c);
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}
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else
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{
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n = sink.write(c);
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}
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indent++;
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return n;
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}
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size_t PrettyPrintDecorator::writeClosing(uint8_t c)
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{
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indent--;
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if (previousChar == '{' || previousChar == '[')
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{
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return sink.write(c);
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}
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else
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{
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return writeln() + sink.write(c);
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}
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} |