diff options
Diffstat (limited to 'src/zencore/process.cpp')
| -rw-r--r-- | src/zencore/process.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/zencore/process.cpp b/src/zencore/process.cpp index c51e8f69d..0761521dc 100644 --- a/src/zencore/process.cpp +++ b/src/zencore/process.cpp @@ -1047,6 +1047,118 @@ FindProcess(const std::filesystem::path& ExecutableImage, ProcessHandle& OutHand #endif // ZEN_PLATFORM_LINUX } +std::vector<std::string> +ParseCommandLine(std::string_view CommandLine) +{ + auto IsWhitespaceOrEnd = [](std::string_view CommandLine, std::string::size_type Pos) { + if (Pos == CommandLine.length()) + { + return true; + } + if (CommandLine[Pos] == ' ') + { + return true; + } + return false; + }; + + bool IsParsingArg = false; + bool IsInQuote = false; + + std::string::size_type Pos = 0; + std::string::size_type ArgStart = 0; + std::vector<std::string> Args; + while (Pos < CommandLine.length()) + { + if (IsInQuote) + { + if (CommandLine[Pos] == '"' && IsWhitespaceOrEnd(CommandLine, Pos + 1)) + { + Args.push_back(std::string(CommandLine.substr(ArgStart, Pos - ArgStart + 1))); + Pos++; + IsInQuote = false; + IsParsingArg = false; + } + else + { + Pos++; + } + } + else if (IsParsingArg) + { + ZEN_ASSERT(Pos > ArgStart); + if (CommandLine[Pos] == ' ') + { + Args.push_back(std::string(CommandLine.substr(ArgStart, Pos - ArgStart))); + Pos++; + IsParsingArg = false; + } + else if (CommandLine[Pos] == '"') + { + IsInQuote = true; + Pos++; + } + else + { + Pos++; + } + } + else if (CommandLine[Pos] == '"') + { + IsInQuote = true; + IsParsingArg = true; + ArgStart = Pos; + Pos++; + } + else if (CommandLine[Pos] != ' ') + { + IsParsingArg = true; + ArgStart = Pos; + Pos++; + } + else + { + Pos++; + } + } + if (IsParsingArg) + { + ZEN_ASSERT(Pos > ArgStart); + Args.push_back(std::string(CommandLine.substr(ArgStart))); + } + + return Args; +} + +std::vector<char*> +StripCommandlineQuotes(std::vector<std::string>& InOutArgs) +{ + std::vector<char*> RawArgs; + RawArgs.reserve(InOutArgs.size()); + for (std::string& Arg : InOutArgs) + { + std::string::size_type EscapedQuotePos = Arg.find("\\\"", 1); + while (EscapedQuotePos != std::string::npos && Arg.rfind('\"', EscapedQuotePos - 1) != std::string::npos) + { + Arg.erase(EscapedQuotePos, 1); + EscapedQuotePos = Arg.find("\\\"", EscapedQuotePos); + } + + if (Arg.starts_with("\"")) + { + if (Arg.find('"', 1) == Arg.length() - 1) + { + if (Arg.find(' ', 1) == std::string::npos) + { + Arg = Arg.substr(1, Arg.length() - 2); + } + } + } + RawArgs.push_back(const_cast<char*>(Arg.c_str())); + } + return RawArgs; +} + #if ZEN_WITH_TESTS void @@ -1123,6 +1235,36 @@ TEST_CASE("BuildArgV") } } +TEST_CASE("CommandLine") +{ + std::vector<std::string> v1 = ParseCommandLine("c:\\my\\exe.exe \"quoted arg\" \"one\",two,\"three\\\""); + CHECK_EQ(v1[0], "c:\\my\\exe.exe"); + CHECK_EQ(v1[1], "\"quoted arg\""); + CHECK_EQ(v1[2], "\"one\",two,\"three\\\""); + + std::vector<std::string> v2 = ParseCommandLine( + "--tracehost 127.0.0.1 builds download --url=https://jupiter.devtools.epicgames.com --namespace=ue.oplog " + "--bucket=citysample.packaged-build.fortnite-main.windows \"c:\\just\\a\\path\" " + "--access-token-path=\"C:\\Users\\dan.engelbrecht\\jupiter-token.json\" \"D:\\Dev\\Spaced Folder\\Target\\\" " + "--alt-path=\"D:\\Dev\\Spaced Folder2\\Target\\\" 07dn23ifiwesnvoasjncasab --build-part-name win64,linux,ps5"); + + std::vector<char*> v2Stripped = StripCommandlineQuotes(v2); + CHECK_EQ(v2Stripped[0], std::string("--tracehost")); + CHECK_EQ(v2Stripped[1], std::string("127.0.0.1")); + CHECK_EQ(v2Stripped[2], std::string("builds")); + CHECK_EQ(v2Stripped[3], std::string("download")); + CHECK_EQ(v2Stripped[4], std::string("--url=https://jupiter.devtools.epicgames.com")); + CHECK_EQ(v2Stripped[5], std::string("--namespace=ue.oplog")); + CHECK_EQ(v2Stripped[6], std::string("--bucket=citysample.packaged-build.fortnite-main.windows")); + CHECK_EQ(v2Stripped[7], std::string("c:\\just\\a\\path")); + CHECK_EQ(v2Stripped[8], std::string("--access-token-path=\"C:\\Users\\dan.engelbrecht\\jupiter-token.json\"")); + CHECK_EQ(v2Stripped[9], std::string("\"D:\\Dev\\Spaced Folder\\Target\"")); + CHECK_EQ(v2Stripped[10], std::string("--alt-path=\"D:\\Dev\\Spaced Folder2\\Target\"")); + CHECK_EQ(v2Stripped[11], std::string("07dn23ifiwesnvoasjncasab")); + CHECK_EQ(v2Stripped[12], std::string("--build-part-name")); + CHECK_EQ(v2Stripped[13], std::string("win64,linux,ps5")); +} + TEST_SUITE_END(/* core.process */); #endif |