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util.nix/package/c/chectic/chectic.h

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#ifndef EPRINTF_CHECTIC
#define EPRINTF_CHECTIC
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#include <string.h>
#include <ctype.h>
#include <stdbool.h>
// -------------
// -- Helpers --
// -------------
// Helper macros for argument counting
// NOTE(yukkop): this ugly macroses for avoid all posible warnings
#define PP_CAT(a, b) a##b
// ------------
// -- Colors --
// ------------
// Color mode enumeration
typedef enum {
COLOR_MODE_AUTO,
COLOR_MODE_FORCE,
COLOR_MODE_DISABLE
} ColorMode;
// Static color mode variable
static ColorMode color_mode = COLOR_MODE_AUTO;
// Function to set color mode
void set_output_color_mode(ColorMode mode);
// Macros for detecting terminal and color usage
#define IS_TERMINAL() (isatty(fileno(stderr)))
#define USE_COLOR() ((color_mode == COLOR_MODE_FORCE) || (color_mode == COLOR_MODE_AUTO && IS_TERMINAL()))
#define COLOR_RED (USE_COLOR() ? "\033[1;31m" : "")
#define COLOR_RESET (USE_COLOR() ? "\033[0m" : "")
// ------------
// -- Errors --
// ------------
// Define color macros based on output type
//#define ERROR_PREFIX PP_CAT(COLOR_RED, "Error: ")
//#define ERROR_SUFFIX PP_CAT(COLOR_RESET, "\n")
#define ERROR_PREFIX (USE_COLOR() ? "\033[1;31mError: " : "Error: ")
#define ERROR_SUFFIX (USE_COLOR() ? "\033[0m\n" : "\n")
// eprintf handling 1 or more arguments
#define eprintf(fmt, ...) "%s" fmt "%s", ERROR_PREFIX, ##__VA_ARGS__, ERROR_SUFFIX
#define todo fprintf(stderr, "%sNot implimented yet%s", COLOR_RED, COLOR_RESET);exit(1)
// ------------
// -- Logger --
// ------------
typedef enum {
LOG_LEVEL_DEBUG,
LOG_LEVEL_LOG,
LOG_LEVEL_INFO,
LOG_LEVEL_NOTICE,
LOG_LEVEL_WARN,
LOG_LEVEL_EXCEPTION
} LogLevel;
void logger_level_reset();
void logger_level(LogLevel level);
LogLevel log_level_from_string(const char *level_str);
char* log_message(LogLevel level, char *file, int line, const char *format, ...);
#define raise_debug(fmt, ...) log_message(LOG_LEVEL_DEBUG, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define raise_log(fmt, ...) log_message(LOG_LEVEL_LOG, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define raise_info(fmt, ...) log_message(LOG_LEVEL_INFO, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define raise_notice(fmt, ...) log_message(LOG_LEVEL_NOTICE, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define raise_warn(fmt, ...) log_message(LOG_LEVEL_WARN, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define raise_exception(fmt, ...) log_message(LOG_LEVEL_EXCEPTION, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
// -----------
// -- arena --
// -----------
#define ARENA_DEFAULT_SIZE 1024
typedef struct {
void *begin;
void *current;
size_t capacity;
} Arena;
// NOTE(yukkop): This macro is used to define procedures so that `__LINE__` and `__FILE__`
// in `raise_debug` reflect the location where the macro is called, not where it's defined.
#define arena_alloc_or_null(arena, size) __extension__ ({ \
void *mem__ = NULL; \
if ((arena)->begin == 0) { \
*(arena) = arena_init(ARENA_DEFAULT_SIZE); \
} \
size_t current__ = (size_t)(arena)->current - (size_t)(arena)->begin; \
if ((arena)->capacity <= current__ || (arena)->capacity - current__ < (size)) {\
raise_debug("Arena %p (capacity %zu) used %zu cannot allocate %zu bytes", \
(arena)->begin, (arena)->capacity, current__, (size)); \
} else { \
raise_debug("Arena %p (capacity %zu) used %zu will allocate %zu bytes", \
(arena)->begin, (arena)->capacity, current__, (size)); \
mem__ = (arena)->current; \
(arena)->current = (char*)(arena)->current + (size); \
} \
raise_debug("Allocated at %p", mem__); \
mem__; \
})
#define arena_init(size) __extension__ ({ \
Arena arena__; \
arena__.begin = malloc(size); \
memset(arena__.begin, 0, size); \
arena__.current = arena__.begin; \
arena__.capacity = size; \
raise_debug("Initialized arena at %p with capacity %zu", arena__.begin, size); \
arena__; \
})
#define arena_reset(arena) __extension__ ({ \
(arena)->current = (arena)->begin; \
raise_debug("Arena %p reset", (arena)->begin); \
})
#define arena_free(arena) __extension__ ({ \
raise_debug("Freeing arena at %p", (arena)->begin); \
free((arena)->begin); \
})
#define arena_alloc(arena, size) __extension__ ({ \
void *mem__ = arena_alloc_or_null((arena), (size)); \
if (!mem__) { \
raise_debug("Arena out of memory when trying to allocate %zu bytes", (size)); \
raise_exception("Arena out of memory"); \
exit(1); \
} \
mem__; \
})
#define arena_strdup(arena, s) __extension__ ({ \
const char *s__ = (s); \
char *result__; \
if (s__) { \
size_t len__ = strlen(s__) + 1; \
result__ = (char *)arena_alloc(arena, len__); \
memcpy(result__, s__, len__); \
} else { \
result__ = NULL; \
} \
result__; \
})
#define arena_repstr(arena, src, start, len, rep) __extension__ ({ \
const char *src__ = (src); \
const char *rep__ = (rep); \
size_t start__ = (start); \
size_t len__ = (len); \
int src_len__ = strlen(src__); \
int rep_len__ = strlen(rep__); \
int new_len__ = src_len__ - len__ + 1 + rep_len__; \
char *new_str__ = (char *)arena_alloc(arena, new_len__ + 1); \
memcpy(new_str__, src__, start__); \
memcpy(new_str__ + start__, rep__, rep_len__); \
strcpy(new_str__ + start__ + rep_len__, src__ + start__ + len__ + 1); \
new_str__; \
})
#define arena_realloc_copy(arena, old_ptr, old_size, new_size) __extension__ ({ \
void *old__ = (old_ptr); \
size_t old_size__ = (old_size); \
size_t new_size__ = (new_size); \
void *new__ = NULL; \
if (old__ == NULL) { \
new__ = arena_alloc((arena), new_size__); \
} else if (new_size__ <= old_size__) { \
new__ = old__; \
} else { \
new__ = arena_alloc_or_null((arena), new_size__); \
if (new__) memcpy(new__, old__, old_size__); \
} \
new__; \
})
// ----------
// -- misc --
// ----------
void substr(const char *src, char *dest, size_t start, size_t len);
// ----------
// -- Json --
// ----------
typedef enum {
JSON_NULL,
JSON_BOOL,
JSON_NUMBER,
JSON_STRING,
JSON_ARRAY,
JSON_OBJECT
} JsonType;
/* Full JSON structure */
typedef struct Json {
struct Json *next; /* Next sibling */
struct Json *child; /* Child element (for arrays/objects) */
JsonType type;
char *key; /* Key if item is in an object */
union {
double number;
char *string;
int boolean;
};
} Json;
Json *json_parse(Arena *arena, const char **s);
/* Minimal JSON printer.
For simplicity, a fixed-size buffer is used.
In production youd dynamically size or use the arena. */
char *json_print(Arena *arena, Json *item);
/* Retrieve an object item by key (case-sensitive) */
Json *json_get_object_item(Json *object, const char *key);
#endif // EPRINTF_H