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Added option to read config file from stdin (related #105)

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This commit is contained in:
Bartek Kryza
2023-03-05 19:34:06 +01:00
parent f16c0e4a17
commit 8ba0239283
3 changed files with 81 additions and 32 deletions
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28
src/config/yaml_decoders.cc
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@@ -609,14 +609,32 @@ config load(
const std::string &config_file, std::optional<bool> paths_relative_to_pwd)
{
try {
YAML::Node doc = YAML::LoadFile(config_file);
YAML::Node doc;
std::filesystem::path config_file_path{};
if (config_file == "-") {
std::istreambuf_iterator<char> stdin_stream_begin{std::cin};
std::istreambuf_iterator<char> stdin_stream_end{};
std::string stdin_stream_str{stdin_stream_begin, stdin_stream_end};
doc = YAML::Load(stdin_stream_str);
}
else {
doc = YAML::LoadFile(config_file);
}
// Store the parent path of the config_file to properly resolve
// the include files paths
auto config_file_path =
std::filesystem::absolute(std::filesystem::path{config_file});
doc.force_insert(
"__parent_path", config_file_path.parent_path().string());
if (config_file == "-") {
config_file_path = std::filesystem::current_path();
doc.force_insert("__parent_path", config_file_path.string());
}
else {
config_file_path =
std::filesystem::absolute(std::filesystem::path{config_file});
doc.force_insert(
"__parent_path", config_file_path.parent_path().string());
}
//
// If no relative_to path is specified in the config, make all paths