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gabime
2019-12-08 17:08:20 +02:00
parent abbbda6f74
commit 0f24399887
7 changed files with 144 additions and 161 deletions
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194
include/spdlog/cfg/env-inl.h
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@@ -18,114 +18,114 @@
#include <algorithm>
namespace spdlog {
namespace cfg {
// inplace convert to lowercase
inline std::string& to_lower_(std::string &str)
namespace cfg {
// inplace convert to lowercase
inline std::string &to_lower_(std::string &str)
{
std::transform(
str.begin(), str.end(), str.begin(), [](char ch) { return static_cast<char>((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch); });
return str;
}
// inplace trim spaces
inline std::string &trim_(std::string &str)
{
const char *spaces = " \n\r\t";
str.erase(str.find_last_not_of(spaces) + 1);
str.erase(0, str.find_first_not_of(spaces));
return str;
}
using name_val_pair = std::pair<std::string, std::string>;
// return tuple with name, value from "name=value" string. replace with empty string on missing parts
inline name_val_pair extract_kv_(char sep, const std::string &str)
{
auto n = str.find(sep);
std::string k;
std::string v;
if (n == std::string::npos)
{
v = str;
}
else
{
k = str.substr(0, n);
v = str.substr(n + 1);
}
return std::make_pair(trim_(k), trim_(v));
}
// return vector of name/value pairs from str.
// str format: "a=A,b=B,c=C,d=D,.."
SPDLOG_INLINE std::vector<name_val_pair> extract_name_vals_(const std::string &str)
{
std::vector<name_val_pair> rv;
std::string token;
std::istringstream tokenStream(str);
while (std::getline(tokenStream, token, ','))
{
rv.push_back(extract_kv_('=', token));
}
return rv;
}
inline void load_levels_(cfg_map &configs)
{
using details::os::getenv;
std::string levels = getenv("SPDLOG_LEVEL");
auto name_vals = extract_name_vals_(levels);
for (auto &nv : name_vals)
{
auto logger_name = nv.first.empty() ? "*" : nv.first;
auto level_lowercase = to_lower_(nv.second);
auto log_level = level::from_str(level_lowercase);
// set as info if unknown log level given
if (log_level == level::off && level_lowercase != "off")
{
std::transform(str.begin(), str.end(), str.begin(), [](char ch) {
return static_cast<char>((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch);
});
return str;
log_level = spdlog::level::info;
}
// inplace trim spaces
inline std::string& trim_(std::string &str)
auto it = configs.find(logger_name);
if (it != configs.end())
{
const char* spaces = " \n\r\t";
str.erase(str.find_last_not_of(spaces) + 1);
str.erase(0, str.find_first_not_of(spaces));
return str;
it->second.level = log_level;
}
using name_val_pair = std::pair<std::string, std::string>;
// return tuple with name, value from "name=value" string. replace with empty string on missing parts
inline name_val_pair extract_kv_(char sep, const std::string &str)
else
{
auto n = str.find(sep);
std::string k;
std::string v;
if (n == std::string::npos)
{
v = str;
} else{
k = str.substr(0, n);
v = str.substr(n + 1);
}
return std::make_pair(trim_(k), trim_(v));
configs.insert({logger_name, logger_cfg{log_level, "%+"}});
}
}
}
// return vector of name/value pairs from str.
// str format: "a=A,b=B,c=C,d=D,.."
SPDLOG_INLINE std::vector<name_val_pair> extract_name_vals_(const std::string &str)
SPDLOG_INLINE void load_patterns_(cfg_map &configs)
{
using details::os::getenv;
std::string patterns = getenv("SPDLOG_PATTERN");
auto name_vals = extract_name_vals_(patterns);
for (auto &nv : name_vals)
{
auto logger_name = nv.first.empty() ? "*" : nv.first;
auto pattern = to_lower_(nv.second);
auto it = configs.find(logger_name);
if (it != configs.end())
{
std::vector<name_val_pair > rv;
std::string token;
std::istringstream tokenStream(str);
while (std::getline(tokenStream, token, ','))
{
rv.push_back(extract_kv_('=', token));
}
return rv;
it->second.pattern = pattern;
}
inline void load_levels_(cfg_map &configs)
else
{
using details::os::getenv;
std::string levels = getenv("SPDLOG_LEVEL");
auto name_vals = extract_name_vals_(levels);
for (auto &nv : name_vals)
{
auto logger_name = nv.first.empty() ? "*" : nv.first;
auto level_lowercase = to_lower_(nv.second);
auto log_level = level::from_str(level_lowercase);
// set as info if unknown log level given
if (log_level == level::off && level_lowercase != "off")
{
log_level = spdlog::level::info;
}
auto it = configs.find(logger_name);
if (it != configs.end())
{
it->second.level = log_level;
}
else
{
configs.insert({logger_name, logger_cfg{log_level, "%+"}});
}
}
configs.insert({logger_name, logger_cfg{level::info, pattern}});
}
}
}
SPDLOG_INLINE void load_patterns_(cfg_map &configs)
{
using details::os::getenv;
std::string patterns = getenv("SPDLOG_PATTERN");
auto name_vals = extract_name_vals_(patterns);
for (auto &nv : name_vals)
{
auto logger_name = nv.first.empty() ? "*" : nv.first;
auto pattern = to_lower_(nv.second);
auto it = configs.find(logger_name);
if (it != configs.end())
{
it->second.pattern = pattern;
}
else
{
configs.insert({logger_name, logger_cfg{level::info, pattern}});
}
}
}
SPDLOG_INLINE cfg_map from_env()
{
cfg_map configs;
load_levels_(configs);
load_patterns_(configs);
return configs;
}
SPDLOG_INLINE cfg_map from_env()
{
cfg_map configs;
load_levels_(configs);
load_patterns_(configs);
return configs;
}
} // namespace cfg
} // namespace cfg
} // namespace spdlog

43
include/spdlog/cfg/env.h
View File

@@ -8,30 +8,31 @@
#include <unordered_map>
// config spdlog from environment variables
namespace spdlog
namespace spdlog {
namespace cfg {
struct logger_cfg
{
namespace cfg
{
struct logger_cfg {
logger_cfg(level::level_enum level, std::string pattern):
level{level}, pattern(std::move(pattern)) {}
logger_cfg(level::level_enum level, std::string pattern)
: level{level}
, pattern(std::move(pattern))
{}
level::level_enum level;
std::string pattern;
};
using cfg_map = std::unordered_map<std::string, logger_cfg>;
level::level_enum level;
std::string pattern;
};
using cfg_map = std::unordered_map<std::string, logger_cfg>;
// Init levels and patterns from env variabls SPDLOG_LEVEL & SPDLOG_PATTERN
// Examples:
// export SPDLOG_LEVEL=debug
// export SPDLOG_LEVEL=logger1=%v,*=[%x] [%l] [%n] %v
// export SPDLOG_LEVEL=logger1=debug,logger2=info,*=error
// export SPDLOG_PATTERN=[%x] [%l] [%n] %v
//
// Note: will set the level to info if finds unknown level in SPDLOG_LEVEL
cfg_map from_env();
}
}
// Init levels and patterns from env variabls SPDLOG_LEVEL & SPDLOG_PATTERN
// Examples:
// export SPDLOG_LEVEL=debug
// export SPDLOG_LEVEL=logger1=%v,*=[%x] [%l] [%n] %v
// export SPDLOG_LEVEL=logger1=debug,logger2=info,*=error
// export SPDLOG_PATTERN=[%x] [%l] [%n] %v
//
// Note: will set the level to info if finds unknown level in SPDLOG_LEVEL
cfg_map from_env();
} // namespace cfg
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "env-inl.h"

5
include/spdlog/details/os-inl.h
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@@ -536,18 +536,17 @@ SPDLOG_INLINE filename_t dir_name(filename_t path)
return pos != filename_t::npos ? path.substr(0, pos) : filename_t{};
}
std::string SPDLOG_INLINE getenv(const char* field)
std::string SPDLOG_INLINE getenv(const char *field)
{
#if defined(_MSC_VER) && !defined(__cplusplus_winrt)
size_t len = 0;
char buf[128];
bool ok = ::getenv_s(&len , buf, sizeof(buf), field) == 0;
bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0;
return ok ? buf : std::string{};
#else // revert to getenv
char *buf = ::getenv(field);
return buf ? buf : std::string{};
#endif
}
} // namespace os

2
include/spdlog/details/os.h
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@@ -104,7 +104,7 @@ bool create_dir(filename_t path);
// non thread safe, cross platform getenv/getenv_s
// return empty string if field not found
std::string getenv(const char* field);
std::string getenv(const char *field);
} // namespace os
} // namespace details

1
include/spdlog/fmt/fmt.h
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@@ -16,7 +16,6 @@
#pragma GCC diagnostic ignored "-Wsign-conversion"
#endif // __GNUC__ || __clang__
#if !defined(SPDLOG_FMT_EXTERNAL)
#ifdef SPDLOG_HEADER_ONLY
#ifndef FMT_HEADER_ONLY