333 lines
9.3 KiB
C
333 lines
9.3 KiB
C
#include "chectic.h"
|
||
|
||
void set_output_color_mode(ColorMode mode) {
|
||
color_mode = mode;
|
||
}
|
||
|
||
// ------------
|
||
// -- Logger --
|
||
// ------------
|
||
|
||
const char* log_level_to_string(LogLevel level) {
|
||
switch (level) {
|
||
case LOG_LEVEL_DEBUG: return "DEBUG";
|
||
case LOG_LEVEL_LOG: return "LOG";
|
||
case LOG_LEVEL_INFO: return "INFO";
|
||
case LOG_LEVEL_NOTICE: return "NOTICE";
|
||
case LOG_LEVEL_WARN: return "WARN";
|
||
case LOG_LEVEL_EXCEPTION: return "EXCEPTION";
|
||
default: return "UNKNOWN";
|
||
}
|
||
}
|
||
|
||
LogLevel log_level_from_string(const char *level_str) {
|
||
if (!level_str) return LOG_LEVEL_INFO;
|
||
if (strcmp(level_str, "DEBUG") == 0)
|
||
return LOG_LEVEL_DEBUG;
|
||
else if (strcmp(level_str, "LOG") == 0)
|
||
return LOG_LEVEL_LOG;
|
||
else if (strcmp(level_str, "INFO") == 0)
|
||
return LOG_LEVEL_INFO;
|
||
else if (strcmp(level_str, "NOTICE") == 0)
|
||
return LOG_LEVEL_NOTICE;
|
||
else if (strcmp(level_str, "WARN") == 0)
|
||
return LOG_LEVEL_WARN;
|
||
else if (strcmp(level_str, "EXCEPTION") == 0)
|
||
return LOG_LEVEL_EXCEPTION;
|
||
else
|
||
return LOG_LEVEL_INFO;
|
||
}
|
||
|
||
LogLevel current_log_level = LOG_LEVEL_INFO;
|
||
|
||
void logger_level_reset() {
|
||
current_log_level = LOG_LEVEL_INFO;
|
||
}
|
||
|
||
void logger_level(LogLevel level) {
|
||
current_log_level = level;
|
||
}
|
||
|
||
void init_logger(void) {
|
||
current_log_level = log_level_from_string(getenv("LOG_LEVEL"));
|
||
}
|
||
|
||
char* log_message(LogLevel level, char *file, int line, const char *format, ...) {
|
||
if (level < current_log_level) {
|
||
return NULL;
|
||
}
|
||
|
||
time_t now = time(NULL);
|
||
struct tm tm_info;
|
||
localtime_r(&now, &tm_info);
|
||
static char timeStr[20];
|
||
strftime(timeStr, sizeof(timeStr), "%Y-%m-%d %H:%M:%S", &tm_info);
|
||
|
||
fprintf(stderr, "%s %s %s:%d ", timeStr, log_level_to_string(level), file, line);
|
||
|
||
va_list args;
|
||
va_start(args, format);
|
||
vfprintf(stderr, format, args);
|
||
va_end(args);
|
||
|
||
fprintf(stderr, "\n");
|
||
|
||
return timeStr;
|
||
}
|
||
|
||
// -----------
|
||
// -- utils --
|
||
// -----------
|
||
|
||
void substr(const char *src, char *dest, size_t start, size_t len) {
|
||
raise_debug("substring %s from %zu to %zu", src, start, len);
|
||
size_t srclen = strlen(src);
|
||
if (start >= srclen) {
|
||
dest[0] = '\0';
|
||
return;
|
||
}
|
||
if (start + len > srclen)
|
||
len = srclen - start;
|
||
strncpy(dest, src + start, len);
|
||
dest[len] = '\0';
|
||
}
|
||
|
||
// ----------
|
||
// -- Json --
|
||
// ----------
|
||
|
||
/* Utility: Skip whitespace */
|
||
static const char *json_skip_whitespace(const char *s) {
|
||
while (*s && isspace((unsigned char)*s))
|
||
s++;
|
||
return s;
|
||
}
|
||
|
||
/* Parse a JSON string (does not handle full escaping) */
|
||
static char *json_parse_string__(const char **s_ptr, Arena *arena) {
|
||
const char *s = *s_ptr;
|
||
if (*s != '"') return NULL;
|
||
s++; // skip opening quote
|
||
const char *start = s;
|
||
while (*s && *s != '"') {
|
||
if (*s == '\\') s++; // skip escaped char
|
||
s++;
|
||
}
|
||
if (*s != '"') return NULL;
|
||
size_t len = s - start;
|
||
char *str = arena_alloc(arena, len + 1);
|
||
if (!str) return NULL;
|
||
memcpy(str, start, len);
|
||
str[len] = '\0';
|
||
*s_ptr = s + 1; // skip closing quote
|
||
return str;
|
||
}
|
||
|
||
/* Parse a number using strtod */
|
||
static double json_parse_number__(const char **s_ptr) {
|
||
char *end;
|
||
double num = strtod(*s_ptr, &end);
|
||
*s_ptr = end;
|
||
return num;
|
||
}
|
||
|
||
/* Forward declaration */
|
||
static Json *json_parse_value__(const char **s, Arena *arena);
|
||
|
||
/* Parse a JSON array: [ value, value, ... ] */
|
||
static Json *json_parse_array__(const char **s, Arena *arena) {
|
||
if (**s != '[') return NULL;
|
||
(*s)++; // skip '['
|
||
*s = json_skip_whitespace(*s);
|
||
Json *array = arena_alloc(arena, sizeof(Json));
|
||
if (!array) return NULL;
|
||
memset(array, 0, sizeof(Json));
|
||
array->type = JSON_ARRAY;
|
||
Json *last = NULL;
|
||
if (**s == ']') { // empty array
|
||
(*s)++;
|
||
return array;
|
||
}
|
||
while (**s) {
|
||
Json *element = json_parse_value__(s, arena);
|
||
if (!element) return NULL;
|
||
if (!array->child)
|
||
array->child = element;
|
||
else {
|
||
last->next = element;
|
||
}
|
||
last = element;
|
||
*s = json_skip_whitespace(*s);
|
||
if (**s == ',') {
|
||
(*s)++;
|
||
*s = json_skip_whitespace(*s);
|
||
} else if (**s == ']') {
|
||
(*s)++;
|
||
break;
|
||
} else {
|
||
return NULL; // error
|
||
}
|
||
}
|
||
return array;
|
||
}
|
||
|
||
/* Parse a JSON object: { "key": value, ... } */
|
||
static Json *json_parse_object__(const char **s, Arena *arena) {
|
||
if (**s != '{') return NULL;
|
||
(*s)++; // skip '{'
|
||
*s = json_skip_whitespace(*s);
|
||
Json *object = arena_alloc(arena, sizeof(Json));
|
||
if (!object) return NULL;
|
||
memset(object, 0, sizeof(Json));
|
||
object->type = JSON_OBJECT;
|
||
Json *last = NULL;
|
||
if (**s == '}') {
|
||
(*s)++;
|
||
return object;
|
||
}
|
||
while (**s) {
|
||
char *key = json_parse_string__(s, arena);
|
||
if (!key) return NULL;
|
||
*s = json_skip_whitespace(*s);
|
||
if (**s != ':') return NULL;
|
||
(*s)++; // skip ':'
|
||
*s = json_skip_whitespace(*s);
|
||
Json *value = json_parse_value__(s, arena);
|
||
if (!value) return NULL;
|
||
value->key = key; // assign key to the value
|
||
if (!object->child)
|
||
object->child = value;
|
||
else {
|
||
last->next = value;
|
||
}
|
||
last = value;
|
||
*s = json_skip_whitespace(*s);
|
||
if (**s == ',') {
|
||
(*s)++;
|
||
*s = json_skip_whitespace(*s);
|
||
} else if (**s == '}') {
|
||
(*s)++;
|
||
break;
|
||
} else {
|
||
return NULL; // error
|
||
}
|
||
}
|
||
return object;
|
||
}
|
||
|
||
/* Full JSON value parser */
|
||
static Json *json_parse_value__(const char **s, Arena *arena) {
|
||
*s = json_skip_whitespace(*s);
|
||
if (**s == '"') {
|
||
Json *item = arena_alloc(arena, sizeof(Json));
|
||
if (!item) return NULL;
|
||
memset(item, 0, sizeof(Json));
|
||
item->type = JSON_STRING;
|
||
item->string = json_parse_string__(s, arena);
|
||
return item;
|
||
} else if (strncmp(*s, "null", 4) == 0) {
|
||
Json *item = arena_alloc(arena, sizeof(Json));
|
||
if (!item) return NULL;
|
||
memset(item, 0, sizeof(Json));
|
||
item->type = JSON_NULL;
|
||
*s += 4;
|
||
return item;
|
||
} else if (strncmp(*s, "true", 4) == 0) {
|
||
Json *item = arena_alloc(arena, sizeof(Json));
|
||
if (!item) return NULL;
|
||
memset(item, 0, sizeof(Json));
|
||
item->type = JSON_BOOL;
|
||
item->boolean = 1;
|
||
*s += 4;
|
||
return item;
|
||
} else if (strncmp(*s, "false", 5) == 0) {
|
||
Json *item = arena_alloc(arena, sizeof(Json));
|
||
if (!item) return NULL;
|
||
memset(item, 0, sizeof(Json));
|
||
item->type = JSON_BOOL;
|
||
item->boolean = 0;
|
||
*s += 5;
|
||
return item;
|
||
} else if ((**s == '-') || isdigit((unsigned char)**s)) {
|
||
Json *item = arena_alloc(arena, sizeof(Json));
|
||
if (!item) return NULL;
|
||
memset(item, 0, sizeof(Json));
|
||
item->type = JSON_NUMBER;
|
||
item->number = json_parse_number__(s);
|
||
return item;
|
||
} else if (**s == '[') {
|
||
return json_parse_array__(s, arena);
|
||
} else if (**s == '{') {
|
||
return json_parse_object__(s, arena);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
Json *json_parse(Arena *arena, const char **s) {
|
||
return json_parse_value__(s, arena);
|
||
}
|
||
|
||
/* Minimal JSON printer.
|
||
For simplicity, a fixed-size buffer is used.
|
||
In production you’d dynamically size or use the arena. */
|
||
char *json_print(Arena *arena, Json *item) {
|
||
char *out = arena_alloc(arena, 1024);
|
||
if (!out) return NULL;
|
||
char *ptr = out;
|
||
if (item->type == JSON_OBJECT) {
|
||
ptr += sprintf(ptr, "{");
|
||
Json *child = item->child;
|
||
while (child) {
|
||
ptr += sprintf(ptr, "\"%s\":", child->key ? child->key : "");
|
||
char *child_str = json_print(arena, child);
|
||
ptr += sprintf(ptr, "%s", child_str);
|
||
if (child->next)
|
||
ptr += sprintf(ptr, ",");
|
||
child = child->next;
|
||
}
|
||
sprintf(ptr, "}");
|
||
} else if (item->type == JSON_ARRAY) {
|
||
ptr += sprintf(ptr, "[");
|
||
Json *child = item->child;
|
||
while (child) {
|
||
char *child_str = json_print(arena, child);
|
||
ptr += sprintf(ptr, "%s", child_str);
|
||
if (child->next)
|
||
ptr += sprintf(ptr, ",");
|
||
child = child->next;
|
||
}
|
||
sprintf(ptr, "]");
|
||
} else if (item->type == JSON_STRING) {
|
||
sprintf(out, "\"%s\"", item->string);
|
||
} else if (item->type == JSON_NUMBER) {
|
||
sprintf(out, "%g", item->number);
|
||
} else if (item->type == JSON_BOOL) {
|
||
sprintf(out, item->boolean ? "true" : "false");
|
||
} else if (item->type == JSON_NULL) {
|
||
sprintf(out, "null");
|
||
}
|
||
return out;
|
||
}
|
||
|
||
/* Retrieve an object item by key (case-sensitive) */
|
||
Json *json_get_object_item(Json *object, const char *key) {
|
||
raise_debug("json get object item for %s", key);
|
||
if (!object || object->type != JSON_OBJECT)
|
||
return NULL;
|
||
Json *child = object->child;
|
||
while (child) {
|
||
raise_debug("child->key: %s, key: %s", child->key, key);
|
||
if (child->key && strcmp(child->key, key) == 0)
|
||
return child;
|
||
child = child->next;
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
//bool json_is_string(const Json * const item) {
|
||
// if (item == NULL) {
|
||
// return false;
|
||
// }
|
||
// return item->type == JSON_STRING;
|
||
//}
|