41 lines
773 B
C++
41 lines
773 B
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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// A Print implementation that allows to write in a char[]
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class StaticStringWriter {
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public:
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StaticStringWriter(char *buf, size_t size) : end(buf + size - 1), p(buf) {
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*p = '\0';
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}
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size_t write(uint8_t c) {
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if (p >= end)
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return 0;
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*p++ = static_cast<char>(c);
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*p = '\0';
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return 1;
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}
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size_t write(const uint8_t *s, size_t n) {
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char *begin = p;
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while (p < end && n > 0) {
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*p++ = static_cast<char>(*s++);
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n--;
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}
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*p = '\0';
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return size_t(p - begin);
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}
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private:
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char *end;
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char *p;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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