86 lines
2 KiB
C++
86 lines
2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "mtproto/core_types.h"
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#include "mtproto/protocol/mtproto_serialized_request.h"
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namespace MTP::details {
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// Human-readable text serialization
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QString DumpToText(const mtpPrime *&from, const mtpPrime *end);
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struct DumpToTextBuffer {
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static constexpr auto kBufferSize = 1024 * 1024; // 1 mb start size
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DumpToTextBuffer()
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: p(new char[kBufferSize])
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, alloced(kBufferSize) {
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}
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~DumpToTextBuffer() {
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delete[] p;
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}
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DumpToTextBuffer &add(const QString &data) {
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auto d = data.toUtf8();
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return add(d.constData(), d.size());
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}
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DumpToTextBuffer &add(const char *data, int32 len = -1) {
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if (len < 0) len = strlen(data);
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if (!len) return (*this);
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ensureLength(len);
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bytes::copy(
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bytes::make_span(p + size, len),
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bytes::make_span(data, len));
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size += len;
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return (*this);
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}
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DumpToTextBuffer &addSpaces(int32 level) {
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int32 len = level * 2;
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if (!len) return (*this);
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ensureLength(len);
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for (char *ptr = p + size, *end = ptr + len; ptr != end; ++ptr) {
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*ptr = ' ';
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}
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size += len;
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return (*this);
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}
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DumpToTextBuffer &error(const char *problem = "could not decode type") {
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return add("[ERROR] (").add(problem).add(")");
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}
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void ensureLength(int32 add) {
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if (size + add <= alloced) return;
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int32 newsize = size + add;
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if (newsize % kBufferSize) {
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newsize += kBufferSize - (newsize % kBufferSize);
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}
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char *b = new char[newsize];
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bytes::copy(
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bytes::make_span(b, size),
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bytes::make_span(p, size));
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alloced = newsize;
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delete[] p;
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p = b;
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}
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char *p = nullptr;
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int size = 0;
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int alloced = 0;
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};
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[[nodiscard]] bool DumpToTextCore(DumpToTextBuffer &to, const mtpPrime *&from, const mtpPrime *end, mtpTypeId cons, uint32 level, mtpPrime vcons = 0);
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} // namespace MTP::details
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