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refactor: add result wrapper for env vars and args

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yyc12345
2025-12-12 13:45:13 +08:00
parent 8cd125a4b9
commit 19086f44e2
5 changed files with 40 additions and 30 deletions
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23
src/yycc/env.hpp
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@@ -21,12 +21,13 @@ namespace yycc::env {
/// @brief The error occurs in environment variable operations.
enum class VarError {
SysCall, ///< Error occurs when calling backend functions.
NoSuchName, ///< The variable with given name is not presented.
BadName, ///< Given name is ill-formated (empty string or has "=" character).
BadEncoding, ///< Error when performing encoding convertion.
NoMemory, ///< No enough memory to finish this operation.
Others, ///< Any other error types.
SysCall, ///< Error occurs when calling backend functions.
NoSuchName, ///< The variable with given name is not presented.
BadName, ///< Given name is ill-formated (empty string or has "=" character).
BadEncoding, ///< Error when performing encoding convertion.
NoMemory, ///< No enough memory to finish this operation.
NullPointer, ///< Unexpected null pointer occurs during operation.
Others, ///< Any other error types.
};
/// @brief The result type in environment variable operations.
@@ -74,7 +75,7 @@ namespace yycc::env {
* @return The list holding all variables.
* @exception std::runtime_error Error occurs when getting variables.
*/
std::vector<VarPair> get_vars();
VarResult<std::vector<VarPair>> get_vars();
#pragma endregion
@@ -121,8 +122,10 @@ namespace yycc::env {
/// @brief Error occurs when operating argument related functions.
enum class ArgError {
SysCall, ///< Underlying system calling error.
Others, ///< Any other error types.
SysCall, ///< Underlying system calling error.
BadEncoding, ///< Error when performing encoding convertion.
NullPointer, ///< Unexpected null pointer occurs during operation.
Others, ///< Any other error types.
};
/// @brief The result type used for argument related functions;
@@ -134,7 +137,7 @@ namespace yycc::env {
* @return The list holding all argument one by one.
* @exception std::runtime_error Error occurs when getting arguments.
*/
std::vector<std::u8string> get_args();
ArgResult<std::vector<std::u8string>> get_args();
#pragma endregion