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server: add format arg to datetime tool (#26117)

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Xuan-Son Nguyen
2026-07-25 21:15:15 +02:00
committed by GitHub
parent 2cfc7670ed
commit abc348790e
1 changed files with 32 additions and 5 deletions
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37
tools/server/server-tools.cpp
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@@ -7,6 +7,7 @@
#include <regex>
#include <thread>
#include <chrono>
#include <ctime>
#include <atomic>
#include <cstring>
#include <climits>
@@ -1048,16 +1049,42 @@ struct server_tool_get_datetime : server_tool {
{"type", "function"},
{"function", {
{"name", name},
{"description", "Returns the current date and time"},
{"description", "Returns the current date and time in UTC"},
{"parameters", {
{"type", "object"},
{"properties", {
{"format", {
{"type", "string"},
{"description",
"strftime()-style format string for the output (default: \"%Y-%m-%dT%H:%M:%SZ\", "
"e.g. ISO 8601). Choose your own format if you need something else, "
"e.g. \"%A, %B %d %Y\" for a human-readable date."},
}},
}},
}},
}},
};
}
json invoke(json, server_tool::stream *) const override {
auto now = std::chrono::system_clock::now();
auto time = std::chrono::system_clock::to_time_t(now);
json invoke(json params, server_tool::stream *) const override {
std::string format = json_value(params, "format", std::string("%Y-%m-%dT%H:%M:%SZ"));
return {{"result", std::ctime(&time)}};
auto now = std::chrono::system_clock::now();
auto time = std::chrono::system_clock::to_time_t(now);
std::tm tm_utc;
#ifdef _WIN32
gmtime_s(&tm_utc, &time);
#else
gmtime_r(&time, &tm_utc);
#endif
char buf[256];
size_t len = std::strftime(buf, sizeof(buf), format.c_str(), &tm_utc);
if (len == 0) {
return {{"error", "invalid format string"}};
}
return {{"result", std::string(buf, len)}};
}
};