290 lines
9.7 KiB
C++
290 lines
9.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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#include <iomanip>
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#include <map>
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#include <regex>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <Util.hpp>
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#define LOK_USE_UNSTABLE_API
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#include <LibreOfficeKit/LibreOfficeKitEnums.h>
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namespace LOOLProtocol
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{
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// Protocol Version Number.
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// See protocol.txt.
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constexpr unsigned ProtocolMajorVersionNumber = 0;
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constexpr unsigned ProtocolMinorVersionNumber = 1;
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inline std::string GetProtocolVersion()
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{
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return std::to_string(ProtocolMajorVersionNumber) + '.'
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+ std::to_string(ProtocolMinorVersionNumber);
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}
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// Parse a string into a version tuple.
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// Negative numbers for error.
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std::tuple<int, int, std::string> ParseVersion(const std::string& version);
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inline bool stringToInteger(const std::string& input, int& value)
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{
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bool res;
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std::tie(value, res) = Util::i32FromString(input);
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return res;
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}
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inline bool stringToUInt32(const std::string& input, uint32_t& value)
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{
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bool res;
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std::tie(value, res) = Util::i32FromString(input);
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return res;
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}
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inline bool stringToUInt64(const std::string& input, uint64_t& value)
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{
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bool res;
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std::tie(value, res) = Util::u64FromString(input);
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return res;
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}
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inline
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bool parseNameValuePair(const std::string& token, std::string& name, std::string& value, const char delim = '=')
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{
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const size_t mid = token.find_first_of(delim);
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if (mid != std::string::npos)
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{
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name = token.substr(0, mid);
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value = token.substr(mid + 1);
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return true;
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}
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return false;
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}
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inline
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bool parseNameIntegerPair(const std::string& token, std::string& name, int& value)
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{
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std::string strValue;
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return parseNameValuePair(token, name, strValue, '=') && stringToInteger(strValue, value);
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}
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bool getTokenInteger(const std::string& token, const std::string& name, int& value);
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bool getTokenUInt32(const std::string& token, const std::string& name, uint32_t& value);
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bool getTokenUInt64(const std::string& token, const std::string& name, uint64_t& value);
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bool getTokenString(const std::string& token, const std::string& name, std::string& value);
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bool getTokenKeyword(const std::string& token, const std::string& name, const std::map<std::string, int>& map, int& value);
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bool getTokenKeyword(const StringVector& tokens, const std::string& name, const std::map<std::string, int>& map, int& value);
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bool getTokenInteger(const StringVector& tokens, const std::string& name, int& value);
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/// Literal-string token names.
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template <std::size_t N>
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inline bool getTokenInteger(const std::string& token, const char (&name)[N], int& value)
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{
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// N includes null termination.
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static_assert(N > 1, "Token name must be at least one character long.");
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if (token.size() > N && token[N - 1] == '=' && token.compare(0, N - 1, name) == 0)
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{
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const char* str = token.data() + N;
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char* endptr = nullptr;
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value = std::strtol(str, &endptr, 10);
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return (endptr > str);
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}
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return false;
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}
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inline bool getTokenString(const StringVector& tokens,
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const std::string& name,
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std::string& value)
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{
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for (const auto& token : tokens)
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{
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if (getTokenString(tokens.getParam(token), name, value))
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{
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return true;
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}
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}
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return false;
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}
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bool getTokenStringFromMessage(const std::string& message, const std::string& name, std::string& value);
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bool getTokenKeywordFromMessage(const std::string& message, const std::string& name, const std::map<std::string, int>& map, int& value);
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inline
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std::vector<int> tokenizeInts(const char* data, const size_t size, const char delimiter = ',')
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{
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std::vector<int> tokens;
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if (size == 0 || data == nullptr)
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return tokens;
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const char* start = data;
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const char* end = data;
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for (size_t i = 0; i < size && data[i] != '\n'; ++i, ++end)
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{
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if (data[i] == delimiter)
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{
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if (start != end && *start != delimiter)
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tokens.emplace_back(std::atoi(start));
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start = end;
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}
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else if (*start == delimiter)
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++start;
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}
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if (start != end && *start != delimiter && *start != '\n')
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tokens.emplace_back(std::atoi(start));
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return tokens;
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}
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inline
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std::vector<int> tokenizeInts(const std::string& s, const char delimiter = ',')
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{
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return tokenizeInts(s.data(), s.size(), delimiter);
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}
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inline bool getTokenIntegerFromMessage(const std::string& message, const std::string& name, int& value)
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{
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return getTokenInteger(Util::tokenize(message), name, value);
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}
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/// Returns the first token of a message.
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inline
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std::string getFirstToken(const char *message, const int length, const char delim = ' ')
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{
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return Util::getDelimitedInitialSubstring(message, length, delim);
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}
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template <typename T>
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std::string getFirstToken(const T& message, const char delim = ' ')
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{
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return getFirstToken(message.data(), message.size(), delim);
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}
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inline
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bool matchPrefix(const std::string& prefix, const std::string& message)
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{
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return (message.size() >= prefix.size() &&
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message.compare(0, prefix.size(), prefix) == 0);
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}
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inline
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bool matchPrefix(const std::string& prefix, const std::vector<char>& message)
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{
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return (message.size() >= prefix.size() &&
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prefix.compare(0, prefix.size(), message.data(), prefix.size()) == 0);
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}
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inline
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bool matchPrefix(const std::string& prefix, const std::string& message, const bool ignoreWhitespace)
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{
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if (ignoreWhitespace)
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{
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const size_t posPre = prefix.find_first_not_of(' ');
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const size_t posMsg = message.find_first_not_of(' ');
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return matchPrefix(posPre == std::string::npos ? prefix : prefix.substr(posPre),
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posMsg == std::string::npos ? message : message.substr(posMsg));
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}
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else
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{
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return matchPrefix(prefix, message);
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}
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}
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/// Returns true if the token is a user-interaction token.
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/// Currently this excludes commands sent automatically.
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/// Notice that this doesn't guarantee editing activity,
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/// rather just user interaction with the UI.
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inline
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bool tokenIndicatesUserInteraction(const std::string& token)
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{
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// Exclude tokens that include these keywords, such as canceltiles statusindicator.
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// FIXME: This is wrong. That the token happens to contain (or not) a certain substring is
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// no guarantee that it "indicates user interaction". It might be like that at the moment,
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// but that is coincidental. We should check what the actual whole token is, at least, not
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// look for a substring.
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return (token.find("tile") == std::string::npos &&
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token.find("status") == std::string::npos &&
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token.find("state") == std::string::npos &&
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token != "userinactive");
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}
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/// Returns the first line of a message.
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inline
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std::string getFirstLine(const char *message, const int length)
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{
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return Util::getDelimitedInitialSubstring(message, length, '\n');
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}
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/// Returns the first line of any data which payload char*.
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template <typename T>
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std::string getFirstLine(const T& message)
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{
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return getFirstLine(message.data(), message.size());
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}
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/// Returns an abbreviation of the message (the first line, indicating truncation). We assume
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/// that it adhers to the LOOL protocol, i.e. that there is always a first (or only) line that
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/// is in printable UTF-8. I.e. no encoding of binary bytes is done. The format of the result is
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/// not guaranteed to be stable. It is to be used for logging purposes only, not for decoding
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/// protocol frames.
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inline
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std::string getAbbreviatedMessage(const char *message, const int length)
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{
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if (message == nullptr || length <= 0)
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{
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return std::string();
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}
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const std::string firstLine = getFirstLine(message, std::min(length, 500));
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// If first line is less than the length (minus newline), add ellipsis.
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if (firstLine.size() < static_cast<std::string::size_type>(length) - 1)
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{
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return firstLine + "...";
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}
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return firstLine;
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}
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inline std::string getAbbreviatedMessage(const std::string& message)
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{
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const size_t pos = Util::getDelimiterPosition(message.data(), std::min<size_t>(message.size(), 501), '\n');
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// If first line is less than the length (minus newline), add ellipsis.
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if (pos < static_cast<std::string::size_type>(message.size()) - 1)
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{
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return message.substr(0, pos) + "...";
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}
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return message;
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}
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template <typename T>
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std::string getAbbreviatedMessage(const T& message)
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{
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return getAbbreviatedMessage(message.data(), message.size());
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}
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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