mirror of https://github.com/odrling/Aegisub
101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "libaegisub/cajun/writer.h"
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#include <cmath>
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#include <iomanip>
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namespace agi {
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void JsonWriter::Visit(json::Array const& array) {
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if (array.empty()) {
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ostr << "[]";
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return;
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}
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indent += '\t';
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ostr << "[\n";
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bool first = true;
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for (auto const& entry : array) {
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if (!first) ostr << ",\n";
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first = false;
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ostr << indent;
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Visit(entry);
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}
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indent.pop_back();
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ostr << '\n' << indent << ']';
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}
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void JsonWriter::Visit(json::Object const& object) {
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if (object.empty()) {
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ostr << "{}";
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return;
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}
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indent += '\t';
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ostr << "{\n";
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bool first = true;
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for (auto const& entry : object) {
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if (!first) ostr << ",\n";
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first = false;
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ostr << indent;
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Visit(entry.first);
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ostr << " : ";
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Visit(entry.second);
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}
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indent.pop_back();
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ostr << '\n' << indent << '}';
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}
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void JsonWriter::Visit(double d) {
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ostr << std::setprecision(20) << d;
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double unused;
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if (!std::modf(d, &unused))
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ostr << ".0";
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}
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void JsonWriter::Visit(std::string const& str) {
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ostr << '"';
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for (auto c : str) {
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switch (c) {
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case '"': ostr << "\\\""; break;
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case '\\': ostr << "\\\\"; break;
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case '\b': ostr << "\\b"; break;
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case '\f': ostr << "\\f"; break;
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case '\n': ostr << "\\n"; break;
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case '\r': ostr << "\\r"; break;
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case '\t': ostr << "\\t"; break;
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default: ostr << c; break;
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}
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}
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ostr << '"';
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}
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void JsonWriter::Visit(int64_t i) { ostr << i; }
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void JsonWriter::Visit(bool b) { ostr << (b ? "true" : "false"); }
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void JsonWriter::Visit(json::Null const&) { ostr << "null"; }
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void JsonWriter::Visit(json::UnknownElement const& unknown) { unknown.Accept(*this); }
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}
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