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feat(command): implement command-line argument parsing

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phaneron 2023-08-14 16:25:33 -04:00
parent f4bb482a1c
commit d5a1db838b
2 changed files with 637 additions and 0 deletions
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125
storm/Command.hpp Normal file
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#ifndef STORM_COMMAND_HPP
#define STORM_COMMAND_HPP
#include "storm/List.hpp"
#include <cstdint>
#define STORM_COMMAND_ERROR_BAD_ARGUMENT 0x85100065
#define STORM_COMMAND_ERROR_NOT_ENOUGH_ARGUMENTS 0x8510006D
#define STORM_COMMAND_ERROR_OPEN_FAILED 0x6E
#define STORM_COMMAND_WHITESPACE_CHARS " ,;\"\t\n\r\x1A"
#define STORM_COMMAND_EXTRA_CASE_SENSITIVE (1 << 8)
// Type flags
#define STORM_COMMAND_TYPE_BOOL (0 << 16)
#define STORM_COMMAND_TYPE_NUMBER (1 << 16)
#define STORM_COMMAND_TYPE_STRING (2 << 16)
#define STORM_COMMAND_TYPE_MASK (STORM_COMMAND_TYPE_BOOL | STORM_COMMAND_TYPE_NUMBER | STORM_COMMAND_TYPE_STRING)
// Bool value
#define STORM_COMMAND_BOOL_SET 0
#define STORM_COMMAND_BOOL_CLEAR 1
#define STORM_COMMAND_BOOL_MASK (STORM_COMMAND_BOOL_CLEAR | STORM_COMMAND_BOOL_SET)
// Numeric value
#define STORM_COMMAND_NUM_UNSIGNED 0
#define STORM_COMMAND_NUM_SIGNED 1
#define STORM_COMMAND_NUM_MASK (STORM_COMMAND_NUM_UNSIGNED | STORM_COMMAND_NUM_SIGNED)
// Argument
#define STORM_COMMAND_ARG_FLAGGED (0 << 24)
#define STORM_COMMAND_ARG_OPTIONAL (1 << 24)
#define STORM_COMMAND_ARG_REQUIRED (2 << 24)
#define STORM_COMMAND_ARG_MASK (STORM_COMMAND_ARG_FLAGGED | STORM_COMMAND_ARG_OPTIONAL | STORM_COMMAND_ARG_REQUIRED)
// Getters
#define STORM_COMMAND_GET_TYPE(u32) (u32 & STORM_COMMAND_TYPE_MASK)
#define STORM_COMMAND_GET_ARG(u32) (u32 & STORM_COMMAND_ARG_MASK)
#define STORM_COMMAND_GET_BOOL(u32) (u32 & STORM_COMMAND_BOOL_MASK)
#define STORM_COMMAND_GET_NUM(u32) (u32 & STORM_COMMAND_NUM_MASK)
class CMDERROR;
class CMDPARAMS;
// Callback types
typedef int32_t (*CMDEXTRACALLBACKFCN)(const char*);
typedef int32_t (*CMDERRORCALLBACKFCN)(CMDERROR*);
typedef int32_t (*CMDPARAMSCALLBACKFCN)(CMDPARAMS*, const char*);
// Details a command line argument
class ARGLIST {
public:
uint32_t flags;
uint32_t id;
const char* name;
CMDPARAMSCALLBACKFCN callback;
};
// Parameters passed to argument callback
class CMDPARAMS {
public:
uint32_t flags;
uint32_t id;
const char* name;
void* variable;
uint32_t setvalue;
uint32_t setmask;
union {
int32_t boolvalue;
int32_t signedvalue;
uint32_t unsignedvalue;
const char* stringvalue;
};
};
// Command definitions
class CMDDEF : public TSLinkedNode<CMDDEF> {
public:
uint32_t flags;
uint32_t id;
char name[16];
int32_t namelength;
uint32_t setvalue;
uint32_t setmask;
void* variableptr;
uint32_t variablebytes;
CMDPARAMSCALLBACKFCN callback;
int32_t found;
union {
uint32_t currvalue;
char* currvaluestr;
};
};
class CMDERROR {
public:
uint32_t errorcode;
const char* itemstr;
const char* errorstr;
};
class PROCESSING {
public:
CMDDEF* ptr;
char name[16];
int32_t namelength;
};
int32_t SCmdRegisterArgument(uint32_t flags, uint32_t id, const char* name, void* variableptr, uint32_t variablebytes, uint32_t setvalue, uint32_t setmask, CMDPARAMSCALLBACKFCN callback);
int32_t SCmdRegisterArgList(ARGLIST* listptr, uint32_t numargs);
int32_t SCmdProcessCommandLine(CMDEXTRACALLBACKFCN extracallback, CMDERRORCALLBACKFCN errorcallback);
int32_t SCmdProcess(const char* cmdline, int32_t skipprogname, CMDEXTRACALLBACKFCN extracallback, CMDERRORCALLBACKFCN errorcallback);
uint32_t SCmdGetNum(uint32_t id);
int32_t SCmdGetBool(uint32_t id);
int32_t SCmdGetString(uint32_t id, char* buffer, uint32_t bufferchars);
#endif