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util.nix/package/c/hectic/hectic.c

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#include "hectic.h"
#include <fnmatch.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
#include <setjmp.h>
// On systems without strsep, provide a custom implementation
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#ifndef HAVE_STRSEP
char *strsep(char **stringp, const char *delim) {
char *start = *stringp;
char *p;
if (!start)
return NULL;
p = start;
while (*p && !strchr(delim, *p))
p++;
if (*p) {
*p++ = '\0';
*stringp = p;
} else {
*stringp = NULL;
}
return start;
}
#endif
// Forward declarations
const char* json_type_to_string(JsonType type);
// Global color mode variable definition
ColorMode color_mode = COLOR_MODE_AUTO;
ColorMode debug_color_mode = COLOR_MODE_AUTO;
// Global logging variables
LogLevel current_log_level = LOG_LEVEL_INFO;
LogRule *log_rules = NULL;
Arena *log_rules_arena = NULL;
const char* color_mode_to_string(ColorMode mode) {
switch (mode) {
case COLOR_MODE_AUTO: return "AUTO";
case COLOR_MODE_FORCE: return "FORCE";
case COLOR_MODE_DISABLE: return "DISABLE";
default: return "UNKNOWN";
}
}
void set_output_color_mode(ColorMode mode) {
// Log the color mode change
const char* mode_name = color_mode_to_string(mode);
// Using fprintf since this might be called before logging is initialized
raise_message(LOG_LEVEL_INFO, __FILE__, __func__, __LINE__, "CONFIG: Setting output color mode to %s", mode_name);
// Set the mode
color_mode = mode;
}
#define POSITION_INFO_DECLARATION const char *file, const char *func, int line
#define POSITION_INFO file, func, line
#define CTX_DECLARATION POSITION_INFO_DECLARATION, Arena *arena
#define CTX(lifetimed_arena) POSITION_INFO, arena = (lifetimed_arena)
// -----------
// -- Error --
// -----------
const char* error_code_to_string(HecticErrorCode code) {
switch (code) {
case HECTIC_ERROR_NONE: return "NONE";
case TEMPLATE_ERROR_NONE: return "NONE";
case TEMPLATE_ERROR_UNKNOWN_TAG: return "UNKNOWN_TAG";
case TEMPLATE_ERROR_NESTED_INTERPOLATION: return "NESTED_INTERPOLATION";
case TEMPLATE_ERROR_NESTED_SECTION_ITERATOR: return "NESTED_SECTION_ITERATOR";
case TEMPLATE_ERROR_UNEXPECTED_SECTION_END: return "UNEXPECTED_SECTION_END";
case TEMPLATE_ERROR_NESTED_INCLUDE: return "NESTED_INCLUDE";
case TEMPLATE_ERROR_NESTED_EXECUTE: return "NESTED_EXECUTE";
case TEMPLATE_ERROR_INVALID_CONFIG: return "INVALID_CONFIG";
case TEMPLATE_ERROR_OUT_OF_MEMORY: return "OUT_OF_MEMORY";
case LOGGER_ERROR_INVALID_RULES_STRING: return "INVALID_RULES_STRING";
case LOGGER_ERROR_OUT_OF_MEMORY: return "OUT_OF_MEMORY";
default: return "UNKNOWN";
}
}
// ------------
// -- Result --
// ------------
char *result_type_to_string(ResultType type) {
switch (type) {
case RESULT_ERROR: return "ERROR";
case RESULT_SOME: return "SOME";
default: return "UNKNOWN";
}
}
// ------------
// -- Logger --
// ------------
const char* log_level_to_string(LogLevel level) {
switch (level) {
case LOG_LEVEL_TRACE: return "TRACE";
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";
}
}
const char* log_level_to_color(LogLevel level) {
switch (level) {
case LOG_LEVEL_TRACE: return OPTIONAL_COLOR(COLOR_GREEN);
case LOG_LEVEL_DEBUG: return OPTIONAL_COLOR(COLOR_BLUE);
case LOG_LEVEL_LOG: return OPTIONAL_COLOR(COLOR_CYAN);
case LOG_LEVEL_INFO: return OPTIONAL_COLOR(COLOR_GREEN);
case LOG_LEVEL_NOTICE: return OPTIONAL_COLOR(COLOR_CYAN);
case LOG_LEVEL_WARN: return OPTIONAL_COLOR(COLOR_YELLOW);
case LOG_LEVEL_EXCEPTION: return OPTIONAL_COLOR(COLOR_RED);
default: return OPTIONAL_COLOR(COLOR_RESET);
}
}
LogLevel log_level_from_string(const char *level_str) {
if (!level_str) return LOG_LEVEL_INFO;
if (strcmp(level_str, "TRACE") == 0)
return LOG_LEVEL_TRACE;
else 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;
}
void logger_level_reset() {
current_log_level = LOG_LEVEL_INFO;
logger_free();
}
void logger_level(LogLevel level) {
current_log_level = level;
logger_free();
}
// NOTE(yukkop): This function not uses POSITION_INFO because it's not have a user error. All possible errors are realization errors.
void logger_init(void) {
log_rules_arena = malloc(sizeof(Arena));
if (!log_rules_arena) {
fprintf(stderr, "INIT: Failed to allocate memory for logger arena\n");
exit(1);
}
*log_rules_arena = arena_init__(__FILE__, __func__, __LINE__, 1024);
const char* env_level = getenv("LOG_LEVEL");
printf("INIT: env_level: %s\n", env_level);
if (env_level) {
// Check if it's a complex rule format (contains '=' or ',')
if (strchr(env_level, '=') || strchr(env_level, ',')) {
printf("INIT: env_level is complex\n");
LogRuleResult parse_result = logger_parse_rules__(__FILE__, __func__, __LINE__, log_rules_arena, env_level);
if (IS_RESULT_ERROR(parse_result)) {
fprintf(stderr, "INIT: Failed to parse complex log rules, using default level INFO\n");
current_log_level = LOG_LEVEL_INFO;
log_rules = arena_alloc__(__FILE__, __func__, __LINE__, log_rules_arena, sizeof(LogRule));
*log_rules = RESULT_SOME_VALUE(parse_result);
} else {
fprintf(stderr, "INIT: Logger initialized with complex rules from environment\n");
}
} else {
printf("INIT: env_level is simple\n");
current_log_level = log_level_from_string(env_level);
fprintf(stderr, "INIT: Logger initialized with level %s from environment\n",
log_level_to_string(current_log_level));
}
} else {
fprintf(stderr, "INIT: Logger initialized with default level %s\n",
log_level_to_string(current_log_level));
}
}
void logger_free(void) {
log_rules = NULL;
if (log_rules_arena) {
arena_free__(__FILE__, __func__, __LINE__, log_rules_arena);
free(log_rules_arena);
log_rules_arena = NULL;
}
}
char* raise_message(
LogLevel level,
const char *file,
const char *func,
int line,
const char *format,
...) {
// Check against the effective log level for this context
LogLevel effective_level = logger_get_effective_level(file, func, line);
if (level < effective_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);
// Print timestamp, log level with color, location info
fprintf(stderr, "%s %s%s%s %s:%s:%s%d%s ",
timeStr,
log_level_to_color(level),
log_level_to_string(level),
OPTIONAL_COLOR(COLOR_RESET),
file,
func,
OPTIONAL_COLOR(COLOR_GREEN),
line,
OPTIONAL_COLOR(COLOR_RESET));
// Print the actual message with variable arguments
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, "\n");
return timeStr;
}
// -----------
// -- debug --
// -----------
PtrSet *ptrset_init__(POSITION_INFO_DECLARATION, Arena *arena) {
PtrSet *set = arena_alloc__(POSITION_INFO, arena, sizeof(PtrSet));
set->data = arena_alloc__(POSITION_INFO, arena, 4 * sizeof(struct { void const *ptr; const char *type; const char *field_name; }));
set->size = 0;
set->capacity = 4;
return set;
}
bool debug_ptrset_contains__(PtrSet *set, const void *ptr, const char *type, const char *field_name) {
if (!set) return false;
for (size_t i = 0; i < set->size; i++) {
if (set->data[i].ptr == ptr &&
strcmp(set->data[i].type, type) == 0 &&
strcmp(set->data[i].field_name, field_name) == 0)
return true;
}
return false;
}
void debug_ptrset_add__(CTX_DECLARATION, PtrSet *set, const void *ptr, const char *type, const char *field_name) {
if (!set) return;
if (set->size == set->capacity) {
set->capacity = set->capacity ? set->capacity * 2 : 4;
set->data = arena_realloc__(CTX(arena), set->data, set->capacity * sizeof(struct { void const *ptr; const char *type; const char *field_name; }),
set->capacity * 2 * sizeof(struct { void const *ptr; const char *type; const char *field_name; }));
}
set->data[set->size].ptr = ptr;
set->data[set->size].type = type;
set->data[set->size].field_name = field_name;
set->size++;
}
static sigjmp_buf jmp_env;
void segfault_handler(int signo) {
(void)signo;
siglongjmp(jmp_env, 1);
}
int is_readable(const void *ptr) {
struct sigaction sa, old_sa;
sa.sa_handler = segfault_handler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sigaction(SIGSEGV, &sa, &old_sa);
if (sigsetjmp(jmp_env, 1) == 0) {
volatile char c = *(volatile const char *)ptr;
(void)c; // Suppress unused variable warning
sigaction(SIGSEGV, &old_sa, NULL);
return 1; // Read success
} else {
sigaction(SIGSEGV, &old_sa, NULL);
return 0; // Read caused segmentation fault
}
}
char *enum_to_debug_str__(CTX_DECLARATION, const char *name, size_t enum_value, const char *enum_str) {
return arena_strdup_fmt__(CTX(arena), "%senum%s %s = %s%s%s %zu ", DEBUG_COLOR(COLOR_GREEN), DEBUG_COLOR(COLOR_RESET), name, DEBUG_COLOR(COLOR_CYAN), enum_str, DEBUG_COLOR(COLOR_RESET), enum_value);
}
char *string_to_debug_str__(CTX_DECLARATION, const char *name, const char *string) {
if (!string)
return arena_strdup_fmt__(CTX(arena), "%s = NULL", name);
// Check if the pointer is readable.
if (!is_readable(string))
return arena_strdup_fmt__(CTX(arena), "%s = <memory unreadable>", name);
return arena_strdup_fmt__(CTX(arena), "%s = %s%p%s \"%s\"",
name, DEBUG_COLOR(COLOR_CYAN), string,
DEBUG_COLOR(COLOR_RESET), string);
}
char *int_to_debug_str__(CTX_DECLARATION, const char *name, int number) {
return arena_strdup_fmt__(CTX(arena), "%s = %d", name, number);
}
char *float_to_debug_str__(CTX_DECLARATION, const char *name, double number) {
return arena_strdup_fmt__(CTX(arena), "%s = %f", name, number);
}
char *size_t_to_debug_str__(CTX_DECLARATION, const char *name, size_t number) {
return arena_strdup_fmt__(CTX(arena), "%s = %zu", name, number);
}
char *ptr_to_debug_str__(CTX_DECLARATION, const char *name, void *ptr) {
if (!ptr) {
return arena_strdup_fmt__(CTX(arena), "%s = NULL", name);
}
return arena_strdup_fmt__(CTX(arena), "%s = %p", name, ptr);
}
char *char_to_debug_str__(CTX_DECLARATION, const char *name, char c) {
return arena_strdup_fmt__(CTX(arena), "%s = %c", name, c);
}
char *union_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *type, const char *name, const void *ptr, size_t active_variant, size_t count, ...) {
if (count % 2 == 0) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "HECTICLIB ERROR: Union to debug str: count is even");
assert(0);
}
va_list args;
va_start(args, count);
char *value = NULL;
bool variant_exists = false;
// Find the matching value for the active variant
while (count--) {
size_t variant = va_arg(args, size_t);
if (variant == (size_t)-1) break; // End marker
if (variant == active_variant) {
variant_exists = true;
value = va_arg(args, char*);
break;
}
// Skip the string value for non-matching variants
va_arg(args, char*);
}
va_end(args);
if (!variant_exists) {
return arena_strdup_fmt__(file, func, line, arena,
"%sunion%s %s %s = <invalid variant %d> %s%p%s",
DEBUG_COLOR(COLOR_GREEN), DEBUG_COLOR(COLOR_RESET),
type, name, active_variant, DEBUG_COLOR(COLOR_CYAN), ptr, DEBUG_COLOR(COLOR_RESET));
}
if (!value) {
return arena_strdup_fmt__(file, func, line, arena,
"%sunion%s %s %s = <unknown variant> %s%p%s",
DEBUG_COLOR(COLOR_GREEN), DEBUG_COLOR(COLOR_RESET),
type, name, DEBUG_COLOR(COLOR_CYAN), ptr, DEBUG_COLOR(COLOR_RESET));
}
return arena_strdup_fmt__(file, func, line, arena,
"%sunion%s %s %s = {%s} %s%p%s",
DEBUG_COLOR(COLOR_GREEN), DEBUG_COLOR(COLOR_RESET),
type, name, value, DEBUG_COLOR(COLOR_CYAN), ptr, DEBUG_COLOR(COLOR_RESET));
}
/* Private function */
char *debug_join_debug_strings_v(CTX_DECLARATION, int count, va_list args) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "DEBUG JOIN: Joining %d strings", count);
int total_len = 1;
va_list args_copy;
va_copy(args_copy, args);
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "DEBUG JOIN: Starting first pass");
for (int i = 0; i < count; i++) {
char *s = va_arg(args_copy, char*);
int len = strlen(s);
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "DEBUG JOIN: String %d: [%s] %p len: %d", i, s, s, len);
total_len += len;
}
va_end(args_copy);
char *joined = arena_alloc__(CTX(arena), total_len);
joined[0] = '\0';
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "DEBUG JOIN: concatenating strings");
va_copy(args_copy, args);
for (int i = 0; i < count; i++) {
char *s = va_arg(args_copy, char*);
strcat(joined, s);
if (i < count - 1) {
strcat(joined, ", ");
}
}
va_end(args_copy);
return joined;
}
char *struct_to_debug_str__(CTX_DECLARATION, const char *type, const char *name, const void *ptr, int count, ...) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "DEBUG STR: type: %s, name: %s, ptr: %p, count: %d", type, name, ptr, count);
va_list args;
va_start(args, count);
char *joined = debug_join_debug_strings_v(CTX(arena), count, args);
va_end(args);
return arena_strdup_fmt__(CTX(arena), "%sstruct%s %s %s = {%s} %s%p%s", DEBUG_COLOR(COLOR_GREEN), DEBUG_COLOR(COLOR_RESET), type, name, joined, DEBUG_COLOR(COLOR_CYAN), ptr, DEBUG_COLOR(COLOR_RESET));
}
// ------------
// -- arena --
// ------------
Arena arena_init__(POSITION_INFO_DECLARATION, size_t size) {
// Function entry logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA INIT: Creating arena (size: %zu bytes)", size);
Arena arena;
arena.begin = malloc(size);
// Check for allocation failure
if (!arena.begin) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"ARENA INIT: Failed to allocate memory for arena (requested: %zu bytes)", size);
exit(1);
}
memset(arena.begin, 0, size);
arena.current = arena.begin;
arena.capacity = size;
// Success logging at LOG level
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"ARENA INIT: Arena initialized successfully (address: %p, capacity: %zu bytes)", arena.begin, size);
return arena;
}
void* arena_alloc_or_null__(POSITION_INFO_DECLARATION, Arena *arena, size_t size, bool expand) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ARENA ALLOC: Requesting memory from arena (arena: %p, size: %zu bytes)", arena, size);
if (arena->begin == 0) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA ALLOC: Arena not initialized, creating new arena");
*arena = arena_init__(POSITION_INFO, 1024);
}
// align size to 8
size = (size + 7) & ~((size_t)7);
size_t used = (size_t)arena->current - (size_t)arena->begin;
size_t available = arena->capacity - used;
if (available < size) {
if (expand) {
// FIXME(yukkop): All pointers to the arena will be invalidated
// We need to use a virtual memory allocator to avoid this issue
size_t new_capacity = arena->capacity * 2 + size;
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA ALLOC: Expanding arena (old: %zu, new: %zu)", arena->capacity, new_capacity);
void *new_mem = malloc(new_capacity);
if (!new_mem) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA ALLOC: Failed to expand arena (requested: %zu bytes)", new_capacity);
return NULL;
}
memcpy(new_mem, arena->begin, used);
free(arena->begin);
arena->begin = new_mem;
arena->current = (char *)new_mem + used;
arena->capacity = new_capacity;
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA ALLOC: Arena expanded successfully (address: %p, capacity: %zu)", new_mem, new_capacity);
} else {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA ALLOC: Insufficient memory in arena (address: %p, capacity: %zu bytes, used: %zu bytes, requested: %zu bytes)",
arena->begin, arena->capacity, used, size);
return NULL;
}
}
void *mem = arena->current;
arena->current = (char*)arena->current + size;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA ALLOC: Memory allocated (address: %p, size: %zu)", mem, size);
return mem;
}
void* arena_alloc__(POSITION_INFO_DECLARATION, Arena *arena, size_t size) {
// Function entry logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA ALLOC: Allocating memory (arena: %p, size: %zu bytes)", arena, size);
void *mem = arena_alloc_or_null__(POSITION_INFO, arena, size, false);
if (!mem) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA ALLOC: Allocation failed (arena: %p, requested: %zu bytes)", arena, size);
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"ARENA ALLOC: Arena out of memory (requested: %zu bytes)", size);
exit(1);
}
// Success logging
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"ARENA ALLOC: Memory allocated successfully (address: %p, size: %zu bytes)", mem, size);
return mem;
}
/*
* Reallocates a memory block and copies the contents of the old block to the new one.
* NOTE(yukkop): We need to provide the old size to avoid copying more than needed.
*/
void* arena_realloc__(POSITION_INFO_DECLARATION, Arena *arena,
void *ptr, size_t size, size_t new_size) {
void *new_ptr = NULL;
if (ptr == NULL) {
new_ptr = arena_alloc__(POSITION_INFO, arena, new_size);
} else if (new_size <= size) {
new_ptr = ptr;
} else {
// FIXME(yukkop): Must tries to expand the arena before allocating new memory
new_ptr = arena_alloc_or_null__(POSITION_INFO, arena, new_size, false);
if (new_ptr)
memcpy(new_ptr, ptr, size);
}
return new_ptr;
}
void arena_reset__(POSITION_INFO_DECLARATION, Arena *arena) {
// Function entry logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA RESET: Resetting arena (address: %p)", arena);
// Check for NULL arena
if (!arena) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA RESET: Attempted to reset NULL arena");
return;
}
// Reset the arena
arena->current = arena->begin;
// Operation success logging
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"ARENA RESET: Arena reset successfully (address: %p, capacity: %zu bytes)",
arena->begin, arena->capacity);
}
void arena_free__(POSITION_INFO_DECLARATION, Arena *arena) {
// Function entry logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA FREE: Releasing arena memory (address: %p)", arena);
// Check for NULL arena
if (!arena) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA FREE: Attempted to free NULL arena");
return;
}
// Check for NULL begin pointer
if (!arena->begin) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA FREE: Attempted to free arena with NULL memory block");
return;
}
// Calculate used memory for logging
size_t used = (size_t)arena->current - (size_t)arena->begin;
// Free the memory
free(arena->begin);
// Success logging
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"ARENA FREE: Arena released successfully (address: %p, capacity: %zu bytes, used: %zu bytes)",
arena->begin, arena->capacity, used);
// Clear the pointers
arena->begin = NULL;
arena->current = NULL;
arena->capacity = 0;
}
/*
* Duplicates a string and returns a pointer to the new string.
*/
char* arena_strdup__(POSITION_INFO_DECLARATION, Arena *arena, const char *s) {
// Function entry logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ARENA STRDUP: Duplicating string (arena: %p, source: %p, preview: %.20s%s)",
arena, s, s ? s : "", s && strlen(s) > 20 ? "..." : "");
// Check for NULL string
if (!s) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA STRDUP: Source string is NULL, returning NULL");
return NULL;
}
// Calculate string length and allocate memory
size_t len = strlen(s) + 1;
// Success case
char *result = (char*)arena_alloc__(POSITION_INFO, arena, len);
// Copy the string
memcpy(result, s, len);
// Success logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA STRDUP: String duplicated successfully (result: %p, length: %zu bytes)",
result, len);
return result;
}
/*
* Duplicates a string and returns a pointer to the new string.
* The string is formatted using the provided format string and arguments.
*/
char* arena_strdup_fmt__(POSITION_INFO_DECLARATION, Arena *arena, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int len = vsnprintf(NULL, 0, fmt, args);
va_end(args);
if (len < 0) return NULL;
char *temp = arena_alloc__(POSITION_INFO, DISPOSABLE_ARENA, len + 1);
va_start(args, fmt);
vsnprintf(temp, len + 1, fmt, args);
va_end(args);
return arena_strdup__(POSITION_INFO, arena, temp);
}
char* arena_strncpy__(POSITION_INFO_DECLARATION, Arena *arena, const char *start, size_t len) {
// Function entry logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ARENA STRNCPY: Copying string (arena: %p, source: %p, length: %zu, preview: %.20s%s)",
arena, start, len, start ? start : "", start && strlen(start) > 20 ? "..." : "");
// Check for NULL string
if (!start) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA STRNCPY: Source string is NULL, returning NULL");
return NULL;
}
// Allocate memory for the string plus null terminator
char *result = (char*)arena_alloc__(POSITION_INFO, arena, len + 1);
if (!result) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA STRNCPY: Memory allocation failed");
return NULL;
}
// Copy the string and ensure null termination
strncpy(result, start, len);
result[len] = '\0';
// Success logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA STRNCPY: String copied successfully (result: %p, length: %zu bytes)",
result, len + 1);
return result;
}
/*
* Replaces a substring in a string with a new string.
*/
char* arena_repstr__(POSITION_INFO_DECLARATION, Arena *arena,
const char *src, size_t start, size_t len, const char *rep) {
// Function entry logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ARENA REPSTR: Replacing substring (source: %p, start: %zu, length: %zu, replacement: %.20s%s)",
src, start, len, rep, strlen(rep) > 20 ? "..." : "");
// Check inputs
if (!src) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA REPSTR: Source string is NULL");
return NULL;
}
if (!rep) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA REPSTR: Replacement string is NULL");
return NULL;
}
// Calculate lengths
int src_len = strlen(src);
int rep_len = strlen(rep);
// Validate start and length
if (start > (size_t)src_len) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ARENA REPSTR: Start position %zu exceeds source length %d", start, src_len);
// Return a copy of the source string
return arena_strdup__(POSITION_INFO, arena, src);
}
if (start + len > (size_t)src_len) {
size_t old_len = len;
len = src_len - start;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA REPSTR: Adjusted length from %zu to %zu to fit source bounds", old_len, len);
}
// Calculate new length and allocate memory
int new_len = src_len - (int)len + rep_len;
char *new_str = (char*)arena_alloc__(POSITION_INFO, arena, new_len + 1);
// Perform the replacement operation
memcpy(new_str, src, start);
memcpy(new_str + start, rep, rep_len);
strcpy(new_str + start + rep_len, src + start + len);
// Success logging
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ARENA REPSTR: Replacement complete (result: %p, new length: %d)", new_str, new_len);
return new_str;
}
// ----------
// -- misc --
// ----------
void substr_clone__(POSITION_INFO_DECLARATION, const char * const src, char *dest, size_t from, size_t len) {
// Log function entry at TRACE level
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"Function called with src=%p, dest=%p, from=%zu, len=%zu",
src, dest, from, len);
if (!src || !dest) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"Invalid NULL pointer: %s%s",
(!src ? "src " : ""),
(!dest ? "dest" : ""));
if (dest) dest[0] = '\0';
return;
}
size_t srclen = strlen(src);
if (from >= srclen) {
// Log warning with context when 'from' is out of range
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"Out of range: 'from' index (%zu) exceeds source length (%zu)",
from, srclen);
dest[0] = '\0';
return;
}
// Adjust length if needed
if (from + len > srclen) {
size_t old_len = len;
len = srclen - from;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"Adjusted length from %zu to %zu to fit source bounds",
old_len, len);
}
// Copy the substring
strncpy(dest, src + from, len);
dest[len] = '\0';
// Log success at TRACE level
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"Successfully copied %zu bytes: \"%.*s\"",
len, (int)len, dest);
}
// ----------
// -- Json --
// ----------
char *json_to_pretty_str__(POSITION_INFO_DECLARATION, Arena *arena, const Json * const item, int indent_level) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"PRETTY: Starting JSON prettification (item: %p, indent: %d)",
item, indent_level);
if (!item) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"PRETTY: Invalid JSON object (NULL) provided for prettification");
return NULL;
}
if (!arena) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"PRETTY: Invalid arena (NULL) provided for prettification");
return NULL;
}
char *out = arena_alloc__(POSITION_INFO, arena, 1024);
if (!out) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"PRETTY: Memory allocation failed during JSON prettification");
return NULL;
}
char *ptr = out;
if (item->type == JSON_OBJECT) {
ptr += sprintf(ptr, "{\n");
Json *child = item->child;
int child_count = 0;
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"PRETTY: Processing JSON object children");
while (child) {
for (int i = 0; i < indent_level + 1; i++) {
ptr += sprintf(ptr, " ");
}
ptr += sprintf(ptr, "\"%s\": ", child->key ? child->key : "");
char *child_str = json_to_pretty_str__(POSITION_INFO, arena, child, indent_level + 1);
if (child_str) {
ptr += sprintf(ptr, "%s", child_str);
} else {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"PRETTY: Failed to prettify child element (key=%s)",
child->key ? child->key : "<null>");
}
if (child->next) {
ptr += sprintf(ptr, ",\n");
} else {
ptr += sprintf(ptr, "\n");
}
child = child->next;
child_count++;
}
for (int i = 0; i < indent_level; i++) {
ptr += sprintf(ptr, " ");
}
sprintf(ptr, "}");
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"PRETTY: Object prettification complete with %d child elements", child_count);
} else if (item->type == JSON_ARRAY) {
ptr += sprintf(ptr, "[\n");
Json *child = item->child;
int child_count = 0;
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"PRETTY: Processing JSON array elements");
while (child) {
// Add indentation
for (int i = 0; i < indent_level + 1; i++) {
ptr += sprintf(ptr, " ");
}
char *child_str = json_to_pretty_str__(POSITION_INFO, arena, child, indent_level + 1);
if (child_str) {
ptr += sprintf(ptr, "%s", child_str);
} else {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"PRETTY: Failed to prettify array element at index %d", child_count);
}
if (child->next) {
ptr += sprintf(ptr, ",\n");
} else {
ptr += sprintf(ptr, "\n");
}
child = child->next;
child_count++;
}
for (int i = 0; i < indent_level; i++) {
ptr += sprintf(ptr, " ");
}
sprintf(ptr, "]");
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"PRETTY: Array prettification complete with %d elements", child_count);
} else if (item->type == JSON_STRING) {
sprintf(ptr, "\"%s\"", item->JsonValue.string ? item->JsonValue.string : "");
} else if (item->type == JSON_NUMBER) {
sprintf(ptr, "%g", item->JsonValue.number);
} else if (item->type == JSON_BOOL) {
sprintf(ptr, item->JsonValue.boolean ? "true" : "false");
} else if (item->type == JSON_NULL) {
sprintf(ptr, "null");
}
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"PRETTY: JSON %s prettified (length=%zu)",
json_type_to_string(item->type), strlen(out));
return out;
}
const char* json_type_to_string(JsonType type) {
switch (type) {
case JSON_NULL: return "NULL";
case JSON_BOOL: return "BOOL";
case JSON_NUMBER: return "NUMBER";
case JSON_STRING: return "STRING";
case JSON_ARRAY: return "ARRAY";
case JSON_OBJECT: return "OBJECT";
default: return "UNKNOWN";
}
}
/* Utility: Skip whitespace */
static const char *skip_whitespace(const char *s) {
while (*s && isspace((unsigned char)*s))
s++;
return s;
}
static Json *json_parse_value__(POSITION_INFO_DECLARATION, const char **s, Arena *arena);
/* Parse a JSON string (does not handle full escaping) */
static char *json_parse_string__(POSITION_INFO_DECLARATION, const char **s_ptr, Arena *arena) {
const char *s = *s_ptr;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Entering json_parse_string__ at position: %p", s);
if (*s != '"') {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Expected '\"' at start of string, got: %c", *s);
return NULL;
}
s++; // skip opening quote
const char *start = s;
while (*s && *s != '"') {
if (*s == '\\') {
s++; // skip escape char indicator
}
s++;
}
if (*s != '"') {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Unterminated string starting at: %p", start);
return NULL;
}
size_t len = s - start;
char *str = arena_alloc__(POSITION_INFO, arena, len + 1);
if (!str) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Memory allocation failed in json_parse_string__");
return NULL;
}
memcpy(str, start, len);
str[len] = '\0';
*s_ptr = s + 1; // skip closing quote
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Parsed string: \"%s\" (length: %zu)", str, len);
return str;
}
/* Parse a number using strtod */
static double json_parse_number__(POSITION_INFO_DECLARATION, const char **s_ptr) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Parsing number at position: %p", *s_ptr);
char *end;
double num = strtod(*s_ptr, &end);
if (*s_ptr == end)
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "No valid number found at: %p", *s_ptr);
*s_ptr = end;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Parsed number: %g", num);
return num;
}
/* Parse a JSON array: [ value, value, ... ] */
static Json *json_parse_array__(POSITION_INFO_DECLARATION, const char **s, Arena *arena) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Entering json_parse_array__ at position: %p", *s);
if (**s != '[') return NULL;
(*s)++; // skip '['
*s = skip_whitespace(*s);
Json *array = arena_alloc__(POSITION_INFO, arena, sizeof(Json));
if (!array) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Memory allocation failed in json_parse_array__");
return NULL;
}
memset(array, 0, sizeof(Json));
array->type = JSON_ARRAY;
Json *last = NULL;
if (**s == ']') { // empty array
(*s)++;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Parsed empty array");
return array;
}
while (**s) {
Json *element = json_parse_value__(POSITION_INFO, s, arena);
if (!element) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Failed to parse array element");
return NULL;
}
if (!array->child)
array->child = element;
else
last->next = element;
last = element;
*s = skip_whitespace(*s);
if (**s == ',') {
(*s)++;
*s = skip_whitespace(*s);
} else if (**s == ']') {
(*s)++;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Completed parsing array");
break;
} else {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Unexpected character '%c' in array", **s);
return NULL;
}
}
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Completed parsing array");
return array;
}
/* Parse a JSON object: { "key": value, ... } */
static Json *json_parse_object__(POSITION_INFO_DECLARATION, const char **s, Arena *arena) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Entering json_parse_object__ at position: %p", *s);
if (**s != '{') return NULL;
(*s)++; // skip '{'
*s = skip_whitespace(*s);
Json *object = arena_alloc__(POSITION_INFO, arena, sizeof(Json));
if (!object) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Memory allocation failed in json_parse_object__");
return NULL;
}
memset(object, 0, sizeof(Json));
object->type = JSON_OBJECT;
Json *last = NULL;
if (**s == '}') {
(*s)++;
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Parsed empty object");
return object;
}
while (**s) {
char *key = json_parse_string__(POSITION_INFO, s, arena);
if (!key) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Failed to parse key in object");
return NULL;
}
*s = skip_whitespace(*s);
if (**s != ':') {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Expected ':' after key \"%s\", got: %c", key, **s);
return NULL;
}
(*s)++; // skip ':'
*s = skip_whitespace(*s);
Json *value = json_parse_value__(POSITION_INFO, s, arena);
if (!value) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Failed to parse value for key \"%s\"", key);
return NULL;
}
value->key = key; // assign key to the value
if (!object->child)
object->child = value;
else
last->next = value;
last = value;
*s = skip_whitespace(*s);
if (**s == ',') {
(*s)++;
*s = skip_whitespace(*s);
} else if (**s == '}') {
(*s)++;
break;
} else {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Unexpected character '%c' in object", **s);
return NULL;
}
}
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Completed parsing object");
return object;
}
/* Full JSON value parser */
static Json *json_parse_value__(POSITION_INFO_DECLARATION, const char **s, Arena *arena) {
*s = skip_whitespace(*s);
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Parsing JSON value at position: %p", *s);
if (**s == '"') {
Json *item = arena_alloc__(POSITION_INFO, arena, sizeof(Json));
if (!item) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Memory allocation failed in json_parse_value for string");
return NULL;
}
memset(item, 0, sizeof(Json));
item->type = JSON_STRING;
item->JsonValue.string = json_parse_string__(POSITION_INFO, s, arena);
return item;
} else if (strncmp(*s, "null", 4) == 0) {
Json *item = arena_alloc__(POSITION_INFO, 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__(POSITION_INFO, arena, sizeof(Json));
if (!item) return NULL;
memset(item, 0, sizeof(Json));
item->type = JSON_BOOL;
item->JsonValue.boolean = 1;
*s += 4;
return item;
} else if (strncmp(*s, "false", 5) == 0) {
Json *item = arena_alloc__(POSITION_INFO, arena, sizeof(Json));
if (!item) return NULL;
memset(item, 0, sizeof(Json));
item->type = JSON_BOOL;
item->JsonValue.boolean = 0;
*s += 5;
return item;
} else if ((**s == '-') || isdigit((unsigned char)**s)) {
Json *item = arena_alloc__(POSITION_INFO, arena, sizeof(Json));
if (!item) {
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Memory allocation failed in json_parse_value for number");
return NULL;
}
memset(item, 0, sizeof(Json));
item->type = JSON_NUMBER;
item->JsonValue.number = json_parse_number__(POSITION_INFO, s);
return item;
} else if (**s == '[') {
return json_parse_array__(POSITION_INFO, s, arena);
} else if (**s == '{') {
return json_parse_object__(POSITION_INFO, s, arena);
}
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO, "Unrecognized JSON value at position: %p", *s);
return NULL;
}
Json *json_parse__(POSITION_INFO_DECLARATION, Arena *arena, const char **s) {
// Function entry logging with DEBUG level
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"PARSE: Starting JSON parsing (input: %p)", *s);
// Check input parameters
if (!s || !*s) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"PARSE: Invalid input parameters (NULL pointer provided for JSON parsing)");
return NULL;
}
if (!arena) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"PARSE: Invalid arena (NULL) provided for JSON parsing");
return NULL;
}
// Show input preview for debugging with TRACE level
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"PARSE: Input preview: '%.20s%s'", *s, strlen(*s) > 20 ? "..." : "");
// Process JSON value
Json *result = json_parse_value__(POSITION_INFO, s, arena);
// Log parsing result
if (!result) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"PARSE: Failed to parse JSON at position %p (context: '%.10s')",
*s, *s && strlen(*s) > 0 ? *s : "<empty>");
} else {
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"PARSE: JSON parsing completed successfully (type: %s)", json_type_to_string(result->type));
}
return result;
}
char *json_to_string__(POSITION_INFO_DECLARATION, Arena *arena, const Json * const item) {
return json_to_string_with_opts__(POSITION_INFO, arena, item, JSON_NORAW);
}
/* Minimal JSON printer with raw output option.
When raw is non-zero and the item is a JSON_STRING, it is printed without quotes.
*/
char *json_to_string_with_opts__(POSITION_INFO_DECLARATION, Arena *arena, const Json * const item, JsonRawOpt raw) {
// Function entry with DEBUG level
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"FORMAT: Starting JSON conversion to string (item: %p, raw_mode: %s)",
item, raw == JSON_RAW ? "enabled" : "disabled");
// Check input parameters
if (!item) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"FORMAT: Invalid JSON object (NULL) provided for string conversion");
return NULL;
}
if (!arena) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"FORMAT: Invalid arena (NULL) provided for string conversion");
return NULL;
}
// Allocate memory for the string
char *out = arena_alloc__(POSITION_INFO, arena, 1024);
if (!out) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO,
"FORMAT: Memory allocation failed during JSON string conversion");
return NULL;
}
char *ptr = out;
const char* type_name = "unknown";
// Formatting based on type
if (item->type == JSON_OBJECT) {
ptr += sprintf(ptr, "{");
type_name = "object";
Json *child = item->child;
int child_count = 0;
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"FORMAT: Processing JSON object children");
while (child) {
ptr += sprintf(ptr, "\"%s\":", child->key ? child->key : "");
char *child_str = json_to_string_with_opts__(POSITION_INFO, arena, child, raw);
if (child_str) {
ptr += sprintf(ptr, "%s", child_str);
} else {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"FORMAT: Failed to stringify child element (key=%s)",
child->key ? child->key : "<null>");
}
if (child->next) {
ptr += sprintf(ptr, ",");
}
child = child->next;
child_count++;
}
sprintf(ptr, "}");
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"FORMAT: Object conversion complete with %d child elements", child_count);
} else if (item->type == JSON_ARRAY) {
ptr += sprintf(ptr, "[");
type_name = "array";
Json *child = item->child;
int child_count = 0;
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"FORMAT: Processing JSON array elements");
while (child) {
char *child_str = json_to_string_with_opts__(file, func, line, arena, child, raw);
if (child_str) {
ptr += sprintf(ptr, "%s", child_str);
} else {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"FORMAT: Failed to stringify array element at index %d", child_count);
}
if (child->next) {
ptr += sprintf(ptr, ",");
}
child = child->next;
child_count++;
}
sprintf(ptr, "]");
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"FORMAT: Array conversion complete with %d elements", child_count);
} else if (item->type == JSON_STRING) {
type_name = "string";
if ((int)raw) {
sprintf(ptr, "%s", item->JsonValue.string ? item->JsonValue.string : "");
} else {
sprintf(ptr, "\"%s\"", item->JsonValue.string ? item->JsonValue.string : "");
}
} else if (item->type == JSON_NUMBER) {
type_name = "number";
sprintf(ptr, "%g", item->JsonValue.number);
} else if (item->type == JSON_BOOL) {
type_name = "boolean";
sprintf(ptr, item->JsonValue.boolean ? "true" : "false");
} else if (item->type == JSON_NULL) {
type_name = "null";
sprintf(ptr, "null");
}
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"FORMAT: JSON %s converted to string (length=%zu)",
type_name, strlen(out));
return out;
}
/* Retrieve an object item by key (case-sensitive) */
Json *json_get_object_item__(POSITION_INFO_DECLARATION, const Json * const object, const char * const key) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ACCESS: Searching for key \"%s\" in JSON object %p",
key ? key : "<null>", object);
// Check input parameters
if (!object) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ACCESS: Invalid object (NULL) passed to json_get_object_item");
return NULL;
}
if (!key) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ACCESS: Invalid key (NULL) passed to json_get_object_item");
return NULL;
}
if (object->type != JSON_OBJECT) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"ACCESS: JSON value is not an object (actual type: %d)", object->type);
return NULL;
}
// Count the total number of keys for debugging
int total_keys = 0;
Json *debug_scan = object->child;
while (debug_scan) {
total_keys++;
debug_scan = debug_scan->next;
}
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ACCESS: Object has %d key-value pairs", total_keys);
// Perform key search
Json *child = object->child;
int position = 0;
while (child) {
if (child->key) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ACCESS: Comparing key \"%s\" with \"%s\" at position %d",
child->key, key, position);
if (strcmp(child->key, key) == 0) {
raise_message(LOG_LEVEL_LOG, POSITION_INFO,
"ACCESS: Found value for key \"%s\" (type: %s)",
key, json_type_to_string(child->type));
return child;
}
} else {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"ACCESS: Skipping element at position %d with NULL key", position);
}
child = child->next;
position++;
}
raise_message(LOG_LEVEL_DEBUG, POSITION_INFO,
"ACCESS: Key \"%s\" not found in object (checked %d items)",
key, position);
return NULL;
}
char* json_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, Json json) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "json_to_debug_str(<optimized>, <optimized>)");
char meta_buffer[256];
snprintf(meta_buffer, sizeof(meta_buffer), "Json{addr=%p, type=%s, key=%s, child=%p, next=%p, value=",
(void*)&json, json_type_to_string(json.type), json.key ? json.key : "NULL", (void*)json.child, (void*)json.next);
size_t meta_len = strlen(meta_buffer);
char value_buffer[256] = {0};
switch (json.type) {
case JSON_NULL:
strcpy(value_buffer, "null");
break;
case JSON_BOOL:
strcpy(value_buffer, json.JsonValue.boolean ? "true" : "false");
break;
case JSON_NUMBER:
snprintf(value_buffer, sizeof(value_buffer), "%g", json.JsonValue.number);
break;
case JSON_STRING: {
if (!json.JsonValue.string) {
strcpy(value_buffer, "null");
} else {
snprintf(value_buffer, sizeof(value_buffer), "\"%s\"", json.JsonValue.string);
}
break;
}
case JSON_ARRAY: {
// For arrays, simply note the number of elements
size_t count = 0;
Json *item = json.child;
while (item) {
count++;
item = item->next;
}
snprintf(value_buffer, sizeof(value_buffer), "[array with %zu elements]", count);
break;
}
case JSON_OBJECT: {
// For objects, note the number of key-value pairs
size_t count = 0;
Json *item = json.child;
while (item) {
count++;
item = item->next;
}
snprintf(value_buffer, sizeof(value_buffer), "{object with %zu key-value pairs}", count);
break;
}
default:
strcpy(value_buffer, "<UNKNOWN JSON TYPE>");
}
// Create final string
size_t result_len = meta_len + strlen(value_buffer) + 2; // +2 for closing brace and null character
char* result = arena_alloc(arena, result_len);
strcpy(result, meta_buffer);
strcat(result, value_buffer);
strcat(result, "}");
return result;
}
JsonResult debug_str_to_json__(POSITION_INFO_DECLARATION, Arena *arena, const char **s) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "DEBUG STR TO JSON: debug_str: %s", *s);
// Remove the unused 'start' variable
Json *json = arena_alloc__(POSITION_INFO, arena, sizeof(Json));
memset(json, 0, sizeof(Json));
// Extract the name/key
const char *equal_sign = strstr(*s, "=");
if (!equal_sign) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no equal sign found");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_EQUAL_SIGN_ERROR, "No equal sign found");
}
Slice full_name = slice_create__(POSITION_INFO, 1, *s, strlen(*s), 0, equal_sign - *s);
if (full_name.len == 0) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no name found");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_LEFT_OPERAND_ERROR, "No left operand found");
}
// Move past the equal sign
*s = skip_whitespace(equal_sign + 1);
// Check for struct, union, enum, or other types
const char *name_str = full_name.data;
name_str = skip_whitespace(name_str);
if (strncmp(name_str, "struct ", 7) == 0) {
// Handle struct
json->type = JSON_OBJECT;
// Extract struct type and name
name_str += 7; // Skip "struct "
const char *space = strchr(name_str, ' ');
if (!space) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: missing struct name");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_STRUCT_NAME_ERROR, "Struct without name");
}
// Extract type (between "struct " and space)
// Extract name (after space, before any other character)
name_str = skip_whitespace(space + 1);
const char *name_end = name_str;
while (*name_end && !isspace(*name_end) && *name_end != '{') name_end++;
if (name_end == name_str) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: missing struct variable name");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_STRUCT_NAME_ERROR, "Struct without variable name");
}
size_t name_len = name_end - name_str;
json->key = arena_strncpy__(POSITION_INFO, arena, name_str, name_len);
// Find struct body
const char *body_start = strchr(name_end, '{');
if (!body_start) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no start found for struct");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_START_ERROR, "Struct without start");
}
const char *body_end = strrchr(body_start, '}');
if (!body_end) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no end found for struct");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_END_ERROR, "Struct without end");
}
// Move pointer past the struct
*s = body_end + 1;
// TODO: Parse struct fields
// For now, we're just creating an empty object
}
else if (strncmp(name_str, "union ", 6) == 0) {
// Handle union
json->type = JSON_OBJECT;
// Extract union name
name_str += 6; // Skip "union "
const char *space = strchr(name_str, ' ');
if (!space) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: missing union name");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_STRUCT_NAME_ERROR, "Union without name");
}
// Extract type (between "union " and space)
// Extract name (after space, before any other character)
name_str = skip_whitespace(space + 1);
const char *name_end = name_str;
while (*name_end && !isspace(*name_end) && *name_end != '{') name_end++;
size_t name_len = name_end - name_str;
json->key = arena_strncpy__(POSITION_INFO, arena, name_str, name_len);
// Find body
const char *body_start = strchr(name_end, '{');
if (!body_start) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no start found for union");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_START_ERROR, "Union without start");
}
const char *body_end = strrchr(body_start, '}');
if (!body_end) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no end found for union");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_END_ERROR, "Union without end");
}
// Move pointer past the union
*s = body_end + 1;
// TODO: Parse union variant
// For now, we're just creating an empty object
}
else if (strncmp(name_str, "enum ", 5) == 0) {
// Handle enum
json->type = JSON_STRING;
// Find enum value (typically at the end)
const char *value_start = strrchr(*s, ' ');
if (!value_start) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: missing enum value");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_LEFT_OPERAND_ERROR, "Invalid enum format");
}
// Extract name
name_str += 5; // Skip "enum "
const char *space = strchr(name_str, ' ');
if (space) {
size_t name_len = space - name_str;
json->key = arena_strncpy__(POSITION_INFO, arena, name_str, name_len);
}
// Extract value as string
value_start = skip_whitespace(value_start + 1);
json->JsonValue.string = arena_strdup__(POSITION_INFO, arena, value_start);
// Move pointer to the end
*s += strlen(*s);
}
else if (strchr(name_str, '[') && strchr(name_str, ']')) {
// Handle array
json->type = JSON_ARRAY;
// Extract array name
const char *bracket = strchr(name_str, '[');
if (bracket > name_str) {
const char *name_end = bracket;
while (name_end > name_str && isspace(*(name_end-1))) name_end--;
size_t name_len = name_end - name_str;
json->key = arena_strncpy__(POSITION_INFO, arena, name_str, name_len);
}
// Find array body
const char *body_start = strchr(*s, '[');
if (!body_start) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no start found for array");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_START_ERROR, "Array without start");
}
const char *body_end = strrchr(body_start, ']');
if (!body_end) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: no end found for array");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_NO_END_ERROR, "Array without end");
}
// Move pointer past the array
*s = body_end + 1;
// TODO: Parse array elements
// For now, we're just creating an empty array
}
else {
// Try to determine value type (string, number, bool, null)
const char *value = *s;
if (strncmp(value, "NULL", 4) == 0 || strncmp(value, "null", 4) == 0) {
json->type = JSON_NULL;
*s += 4;
}
else if (strncmp(value, "true", 4) == 0) {
json->type = JSON_BOOL;
json->JsonValue.boolean = true;
*s += 4;
}
else if (strncmp(value, "false", 5) == 0) {
json->type = JSON_BOOL;
json->JsonValue.boolean = false;
*s += 5;
}
else if (*value == '"') {
// String value
json->type = JSON_STRING;
value++; // Skip opening quote
const char *end_quote = strchr(value, '"');
if (!end_quote) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "DEBUG STR TO JSON: unterminated string");
return RESULT_ERROR(JsonResult, DEBUG_TO_JSON_PARSE_LEFT_OPERAND_ERROR, "Unterminated string");
}
size_t str_len = end_quote - value;
json->JsonValue.string = arena_strncpy__(POSITION_INFO, arena, value, str_len);
*s = end_quote + 1;
}
else if (isdigit(*value) || *value == '-' || *value == '+') {
// Numeric value
json->type = JSON_NUMBER;
// Use strtod to parse the number
char *end;
json->JsonValue.number = strtod(value, &end);
*s = end;
}
else {
// Default to string for unknown types
json->type = JSON_STRING;
// Find the end of the value (space, comma, etc.)
const char *end = value;
while (*end && !isspace(*end) && *end != ',' && *end != '}' && *end != ']') end++;
size_t str_len = end - value;
json->JsonValue.string = arena_strncpy__(POSITION_INFO, arena, value, str_len);
*s = end;
}
// Extract name for simple types
const char *name_end = name_str;
while (*name_end && !isspace(*name_end) && *name_end != '=') name_end++;
size_t name_len = name_end - name_str;
json->key = arena_strncpy__(POSITION_INFO, arena, name_str, name_len);
}
return RESULT_SOME(JsonResult, *json);
}
// -----------
// -- slice --
// -----------
// Create a slice from an array with boundary check.
Slice slice_create__(POSITION_INFO_DECLARATION, size_t isize, const void *array, size_t array_len, size_t start, size_t len) {
// Function entry logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"SLICE: Creating slice (source: %p, array_length: %zu, start: %zu, length: %zu, item_size: %zu)",
array, array_len, start, len, isize);
// Boundary check
if (start + len > array_len) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"SLICE: Slice boundaries exceed array length (start: %zu, length: %zu, array_length: %zu)",
start, len, array_len);
return (Slice){NULL, 0, isize};
}
// Create valid slice
Slice result = (Slice){ (char *)array + start * isize, len, isize };
// Success logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"SLICE: Slice created successfully (data: %p, length: %zu, item_size: %zu)",
result.data, result.len, result.isize);
return result;
}
// Return a subslice from an existing slice.
Slice slice_subslice__(POSITION_INFO_DECLARATION, Slice s, size_t start, size_t len) {
// Function entry logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"SLICE: Creating subslice (source: %p, source_length: %zu, start: %zu, length: %zu)",
s.data, s.len, start, len);
// Boundary check
if (start + len > s.len) {
raise_message(LOG_LEVEL_WARN, POSITION_INFO,
"SLICE: Subslice boundaries exceed source slice length (start: %zu, length: %zu, source_length: %zu)",
start, len, s.len);
return (Slice){NULL, 0, s.isize};
}
// Create valid subslice
Slice result = (Slice){(char*)s.data + start * s.isize, len, s.isize};
// Success logging
raise_message(LOG_LEVEL_TRACE, POSITION_INFO,
"SLICE: Subslice created successfully (data: %p, length: %zu, item_size: %zu)",
result.data, result.len, result.isize);
return result;
}
int* arena_slice_copy__(POSITION_INFO_DECLARATION, Arena *arena, Slice s) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "arena_slice_copy(<optimized>, <optimized>)");
int *copy = (void*) arena_alloc__(POSITION_INFO, arena, s.len * sizeof(int));
if (copy)
memcpy(copy, s.data, s.len * s.isize);
return copy;
}
char* slice_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, Slice slice) {
// Create complete information about the Slice structure
char buffer_meta[128];
snprintf(buffer_meta, sizeof(buffer_meta), "Slice{addr=%p, data=%p, len=%zu, isize=%zu, content=",
(void*)&slice, slice.data, slice.len, slice.isize);
size_t meta_len = strlen(buffer_meta);
// For NULL data, output a simple message
if (!slice.data) {
char* result = arena_alloc(arena, meta_len + 6);
strcpy(result, buffer_meta);
strcat(result, "NULL}");
return result;
}
// Allocate buffer with space for quotes, metadata and null terminator
size_t buffer_size = meta_len + slice.len * 4 + 20; // Extra space for escaping and closing brace
char* buffer = arena_alloc(arena, buffer_size);
// Copy metadata
strcpy(buffer, buffer_meta);
char* pos = buffer + meta_len;
*pos++ = '"';
// Copy slice data with escaping
for (size_t i = 0; i < slice.len; i++) {
char c = ((char*)slice.data)[i];
if (c == '\0') {
*pos++ = '\\';
*pos++ = '0';
} else if (c == '\n') {
*pos++ = '\\';
*pos++ = 'n';
} else if (c == '\r') {
*pos++ = '\\';
*pos++ = 'r';
} else if (c == '\t') {
*pos++ = '\\';
*pos++ = 't';
} else if (c == '"') {
*pos++ = '\\';
*pos++ = '"';
} else if (c == '\\') {
*pos++ = '\\';
*pos++ = '\\';
} else if (c < 32 || c > 126) {
// Non-printable characters as hex
pos += sprintf(pos, "\\x%02x", (unsigned char)c);
} else {
*pos++ = c;
}
}
*pos++ = '"';
*pos++ = '}'; // Closing brace for the structure
*pos = '\0';
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "slice_to_debug_str: %s", buffer);
return buffer;
}
/*
* Construct a new log rule
*/
LogRuleResult log_rule_init(Arena *arena, LogLevel level, const char *file_pattern, const char *function_pattern, int line_start, int line_end) {
LogRule *rule = arena_alloc__(__FILE__, __func__, __LINE__, arena, sizeof(LogRule));
if (!rule) return RESULT_ERROR(LogRuleResult, LOGGER_ERROR_OUT_OF_MEMORY, "Out of memory");
rule->level = level;
rule->file_pattern = file_pattern ? arena_strdup__(__FILE__, __func__, __LINE__, arena, file_pattern) : NULL;
rule->function_pattern = function_pattern ? arena_strdup__(__FILE__, __func__, __LINE__, arena, function_pattern) : NULL;
rule->line_start = line_start;
rule->line_end = line_end;
rule->next = NULL;
return RESULT_SOME(LogRuleResult, *rule);
}
// Parse a line range specification (start:end)
void parse_line_range(const char *range_str, int *start, int *end) {
if (!range_str) {
*start = -1;
*end = -1;
return;
}
char *endptr;
*start = strtol(range_str, &endptr, 10);
if (*endptr == ':') {
*end = strtol(endptr + 1, NULL, 10);
} else {
*end = *start;
}
if (*start <= 0) *start = -1;
if (*end <= 0) *end = -1;
}
// Parse a complex rule string and set up log rules
LogRuleResult logger_parse_rules__(CTX_DECLARATION, const char *rules_str) {
if (!rules_str || !*rules_str) return RESULT_ERROR(LogRuleResult, LOGGER_ERROR_INVALID_RULES_STRING, "Invalid rules string");
// Make a copy of the rules string since we'll be modifying it
char *rules_copy = arena_strdup__(CTX(arena), rules_str);
if (!rules_copy) return RESULT_ERROR(LogRuleResult, LOGGER_ERROR_OUT_OF_MEMORY, "Out of memory");
// Initialize the rules list
LogRule *rules = NULL;
LogRule **current = &rules;
// First rule sets the default level
char *next_rule = rules_copy;
char *token = strsep(&next_rule, ",");
current_log_level = log_level_from_string(token);
// Process the remaining rules
while (next_rule && *next_rule) {
// Extract rule definition: pattern=level
char *rule_def = strsep(&next_rule, ",");
char *level_str = strchr(rule_def, '=');
if (!level_str) continue; // Invalid rule
*level_str = '\0'; // Split pattern and level
level_str++;
// Parse the rule pattern
char *pattern = rule_def;
char *file_pattern = NULL;
char *function_pattern = NULL;
char *line_range = NULL;
// Check for line range in file pattern
char *at_sign = strchr(pattern, '@');
if (at_sign) {
*at_sign = '\0';
file_pattern = pattern;
pattern = at_sign + 1;
// Check for line range or another @ for function
char *colon = strchr(pattern, ':');
char *second_at = strchr(pattern, '@');
if (second_at && (!colon || second_at < colon)) {
// Format: file@function@line_range
*second_at = '\0';
function_pattern = pattern;
line_range = second_at + 1;
} else if (colon) {
// Format: file@line_range
line_range = pattern;
} else {
// Format: file@function
function_pattern = pattern;
}
} else {
// Just file pattern
file_pattern = pattern;
}
// If file pattern is empty, set to NULL
if (file_pattern && !*file_pattern) file_pattern = NULL;
// If function pattern is empty, set to NULL
if (function_pattern && !*function_pattern) function_pattern = NULL;
// Parse line range
int line_start = -1, line_end = -1;
parse_line_range(line_range, &line_start, &line_end);
// Create a new rule
LogLevel level = log_level_from_string(level_str);
LogRuleResult rule_result = log_rule_init(arena, level, file_pattern, function_pattern, line_start, line_end);
if (IS_RESULT_ERROR(rule_result)) {
free(rules_copy);
return rule_result;
}
// Add the rule to the list
*current = arena_alloc__(CTX(arena), sizeof(LogRule));
if (!*current) {
free(rules_copy);
return RESULT_ERROR(LogRuleResult, LOGGER_ERROR_OUT_OF_MEMORY, "Out of memory");
}
**current = RESULT_SOME_VALUE(rule_result);
current = &(*current)->next;
}
return RESULT_SOME(LogRuleResult, *rules);
}
// Check if a file matches a pattern
static int match_file_pattern(const char *file, const char *pattern) {
if (!pattern) return 1; // NULL pattern matches any file
// Extract the filename part without the path
const char *filename = strrchr(file, '/');
if (!filename) filename = file;
else filename++; // Skip the '/'
return fnmatch(pattern, filename, 0) == 0 || fnmatch(pattern, file, 0) == 0;
}
// Check if a function matches a pattern
static int match_function_pattern(const char *func, const char *pattern) {
if (!pattern) return 1; // NULL pattern matches any function
return fnmatch(pattern, func, 0) == 0;
}
// Get the effective log level for a specific context
LogLevel logger_get_effective_level(const char *file, const char *func, int line) {
// If no rules are defined, use the global level
if (!log_rules) return current_log_level;
// Default to the global log level
LogLevel effective_level = current_log_level;
// Check each rule in order
for (LogRule *rule = log_rules; rule; rule = rule->next) {
int file_match = match_file_pattern(file, rule->file_pattern);
int function_match = match_function_pattern(func, rule->function_pattern);
int line_match = (rule->line_start == -1 || (line >= rule->line_start &&
(rule->line_end == -1 || line <= rule->line_end)));
// If all conditions match, use this rule's level
if (file_match && function_match && line_match) {
effective_level = rule->level;
// Don't break here - later rules can override earlier ones
}
}
return effective_level;
}
// Add a new log rule programmatically
HecticError logger_add_rule(Arena *arena, LogRule *rules, LogLevel level, const char *file_pattern, const char *function_pattern, int line_start, int line_end) {
LogRuleResult init_result = log_rule_init(arena, level, file_pattern, function_pattern, line_start, line_end);
if (IS_RESULT_ERROR(init_result)) {
return RESULT_ERROR_VALUE(init_result);
}
if (!rules) {
*rules = RESULT_SOME_VALUE(init_result);
} else {
LogRule *last = rules;
while (last->next) {
last = last->next;
}
*last->next = RESULT_SOME_VALUE(init_result);
}
return (HecticError){ .code = HECTIC_ERROR_NONE, .message = NULL };
}
// Print all current logging rules to stderr
void logger_print_rules() {
fprintf(stderr, "Current logging rules:\n");
fprintf(stderr, " Default level: %s\n", log_level_to_string(current_log_level));
int rule_count = 0;
for (LogRule *rule = log_rules; rule; rule = rule->next) {
fprintf(stderr, " Rule %d: Level=%s, File=%s, Function=%s, Lines=%d:%d\n",
++rule_count,
log_level_to_string(rule->level),
rule->file_pattern ? rule->file_pattern : "<any>",
rule->function_pattern ? rule->function_pattern : "<any>",
rule->line_start, rule->line_end);
}
if (rule_count == 0) {
fprintf(stderr, " No specific rules defined\n");
}
}
char *log_rules_to_debug_str__(CTX_DECLARATION, char *name, LogRule *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, LogRule, name, self, visited, 6,
enum_to_debug_str__(POSITION_INFO, arena, "level", self->level, log_level_to_string(self->level)),
string_to_debug_str__(POSITION_INFO, arena, "file_pattern", self->file_pattern),
string_to_debug_str__(POSITION_INFO, arena, "function_pattern", self->function_pattern),
int_to_debug_str__(POSITION_INFO, arena, "line_start", self->line_start),
int_to_debug_str__(POSITION_INFO, arena, "line_end", self->line_end),
log_rules_to_debug_str__(POSITION_INFO, arena, "next", self->next, visited)
);
return result;
}
// ---------------
// -- Templater --
// ---------------
// Look at package\c\hectic\docs\templater.md
TemplateConfig template_default_config__(POSITION_INFO_DECLARATION) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "TEMPLATE: Default config");
TemplateConfig config;
config.Syntax.Braces.open = "{%";
config.Syntax.Braces.close = "%}";
config.Syntax.Section.control = "for ";
config.Syntax.Section.source = " in ";
config.Syntax.Section.begin = " do ";
config.Syntax.Interpolate.invoke = "";
config.Syntax.Include.invoke = "include ";
config.Syntax.Execute.invoke = "exec ";
config.Syntax.nesting = "->";
return config;
}
#define CHECK_CONFIG_STR(field, name) \
do { \
if (config->Syntax.field == NULL) { \
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "VALIDATE: " name " is NULL"); \
return false; \
} \
if (strlen(config->Syntax.field) > TEMPLATE_MAX_PREFIX_LEN) { \
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "VALIDATE: " name " is too long"); \
return false; \
} \
} while (0)
bool template_validate_config__(POSITION_INFO_DECLARATION, const TemplateConfig *config) {
raise_trace("VALIDATE: config %p", config);
if (!config) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "VALIDATE: Config is NULL");
return false;
}
CHECK_CONFIG_STR(Braces.open, "Open brace");
CHECK_CONFIG_STR(Braces.close, "Close brace");
CHECK_CONFIG_STR(Section.control, "Section control");
CHECK_CONFIG_STR(Section.source, "Section source");
CHECK_CONFIG_STR(Section.begin, "Section begin");
CHECK_CONFIG_STR(Interpolate.invoke, "Interpolation invoke");
CHECK_CONFIG_STR(Include.invoke, "Include invoke");
CHECK_CONFIG_STR(Execute.invoke, "Execute invoke");
CHECK_CONFIG_STR(nesting, "Nesting");
return true;
}
#undef CHECK_CONFIG_STR
#define TEMPLATE_ASSERT_SYNTAX(pattern, message_arg, code_arg) \
if (strncmp(*s, pattern, strlen(pattern))) { \
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "PARSE: " message_arg); \
return RESULT_ERROR(TemplateResult, code_arg, message_arg); \
}
TemplateResult template_parse__(POSITION_INFO_DECLARATION, Arena *arena, const char **s, const TemplateConfig *config);
TemplateResult template_parse_interpolation__(POSITION_INFO_DECLARATION, Arena *arena, const char **s_ptr, const TemplateConfig *config) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Interpolation");
TemplateResult result;
const char **s = s_ptr;
// Skip to the content of the interpolation
*s += strlen(config->Syntax.Braces.open);
*s = skip_whitespace(*s);
*s += strlen(config->Syntax.Interpolate.invoke);
*s = skip_whitespace(*s);
const char *key_start = *s;
while (isalnum(**s)) {
if (**s == ' ' || strncmp(*s, config->Syntax.Braces.close, strlen(config->Syntax.Braces.close))) break;
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.open, "Nested tag in interpolation", TEMPLATE_ERROR_NESTED_INTERPOLATION);
(*s)++;
}
size_t key_len = *s - key_start;
result.type = RESULT_SOME;
result.Result.some.value.interpolate.key = arena_strncpy__(POSITION_INFO, arena, key_start, key_len);
result.Result.some.type = TEMPLATE_NODE_INTERPOLATE;
*s_ptr = *s + strlen(config->Syntax.Braces.close);
return result;
}
TemplateResult template_parse_section__(POSITION_INFO_DECLARATION, Arena *arena, const char **s_ptr, const TemplateConfig *config) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Section");
TemplateResult result;
result.type = RESULT_SOME;
result.Result.some.type = TEMPLATE_NODE_SECTION;
const char **s = s_ptr;
// Skip to the content of the section
*s += strlen(config->Syntax.Braces.open);
*s = skip_whitespace(*s);
*s += strlen(config->Syntax.Section.control);
// Find the iterator name
*s = skip_whitespace(*s);
const char *iterator_start = *s;
while (isalnum(**s)) {
if (**s == ' ' || **s == '\n' || **s == '\t' || strncmp(*s, config->Syntax.Section.source, strlen(config->Syntax.Section.source))) break;
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.close, "Unexpected section end", TEMPLATE_ERROR_UNEXPECTED_SECTION_END);
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.open, "Nested tag in section element name", TEMPLATE_ERROR_NESTED_SECTION_ITERATOR);
(*s)++;
}
size_t iterator_len = *s - iterator_start;
result.Result.some.value.section.iterator = arena_strncpy__(POSITION_INFO, arena, iterator_start, iterator_len);
// Find the collection name
*s = skip_whitespace(*s);
const char *collection_start = *s;
while (isalnum(**s)) {
if (**s == ' ' || **s == '\n' || **s == '\t' || strncmp(*s, config->Syntax.Section.begin, strlen(config->Syntax.Section.begin))) break;
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.close, "Unexpected section end", TEMPLATE_ERROR_UNEXPECTED_SECTION_END);
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.open, "Nested tag in section iterator", TEMPLATE_ERROR_NESTED_SECTION_ITERATOR);
(*s)++;
}
size_t collection_len = *s - collection_start;
result.Result.some.value.section.collection = arena_strncpy__(POSITION_INFO, arena, collection_start, collection_len);
// Parse the body
TemplateResult body_result = template_parse__(POSITION_INFO, arena, s, config);
if (body_result.type == RESULT_ERROR) {
return body_result;
}
result.Result.some.value.section.body = &body_result.Result.some;
*s_ptr = *s + strlen(config->Syntax.Braces.close);
return result;
}
TemplateResult template_parse_include__(POSITION_INFO_DECLARATION, Arena *arena, const char **s_ptr, const TemplateConfig *config) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Include");
TemplateResult result;
result.type = RESULT_SOME;
result.Result.some.type = TEMPLATE_NODE_INCLUDE;
const char **s = s_ptr;
// Skip to the content of the include
*s += strlen(config->Syntax.Braces.open);
*s = skip_whitespace(*s);
*s += strlen(config->Syntax.Include.invoke);
*s = skip_whitespace(*s);
const char *include_start = *s;
while (isalnum(**s)) {
if (**s == ' ' || **s == '\n' || **s == '\t' || strncmp(*s, config->Syntax.Braces.close, strlen(config->Syntax.Braces.close))) break;
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.open, "Nested tag in include", TEMPLATE_ERROR_NESTED_INCLUDE);
(*s)++;
}
size_t include_len = *s - include_start;
result.Result.some.value.include.key = arena_strncpy__(POSITION_INFO, arena, include_start, include_len);
*s_ptr = *s + strlen(config->Syntax.Braces.close);
return result;
}
TemplateResult template_parse_execute__(POSITION_INFO_DECLARATION, Arena *arena, const char **s_ptr, const TemplateConfig *config) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Execute");
TemplateResult result;
result.type = RESULT_SOME;
result.Result.some.type = TEMPLATE_NODE_EXECUTE;
const char **s = s_ptr;
*s += strlen(config->Syntax.Braces.open);
*s = skip_whitespace(*s);
*s += strlen(config->Syntax.Execute.invoke);
*s = skip_whitespace(*s);
const char *code_start = *s;
while (strncmp(*s, config->Syntax.Braces.close, strlen(config->Syntax.Braces.close))) {
TEMPLATE_ASSERT_SYNTAX(config->Syntax.Braces.open, "Nested tag in execute", TEMPLATE_ERROR_NESTED_EXECUTE);
(*s)++;
}
size_t code_len = *s - code_start;
result.Result.some.value.execute.code = arena_strncpy__(POSITION_INFO, arena, code_start, code_len);
*s_ptr = *s + strlen(config->Syntax.Braces.close);
return result;
}
TemplateResult template_parse__(POSITION_INFO_DECLARATION, Arena *arena, const char **s, const TemplateConfig *config) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Iteration start");
if (!template_validate_config__(POSITION_INFO, config)) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "PARSE: Invalid config");
return RESULT_ERROR(TemplateResult, TEMPLATE_ERROR_INVALID_CONFIG, "Invalid config");
}
if (!arena) {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "PARSE: Arena is NULL");
return RESULT_ERROR(TemplateResult, TEMPLATE_ERROR_OUT_OF_MEMORY, "Out of memory");
}
const char *start = *s;
TemplateNode *root = arena_alloc__(POSITION_INFO, arena, sizeof(TemplateNode));
TemplateNode *current = root;
int open_brace_len = strlen(config->Syntax.Braces.open);
while (*s) {
// Find the first open brace
if (strncmp(*s, config->Syntax.Braces.open, open_brace_len) == 0) {
// Add text node if there is any text before the tag
if (start != *s) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Text node: %s", arena_strncpy__(POSITION_INFO, DISPOSABLE_ARENA, start, *s - start));
current->type = TEMPLATE_NODE_TEXT;
current->value.text.content = arena_strncpy__(POSITION_INFO, arena, start, *s - start);
}
// Deside tag type by prefix
TemplateResult current_result;
{
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Found tag");
const char *tag_prefix = *s + open_brace_len;
tag_prefix = skip_whitespace(tag_prefix);
raise_trace("tag_prefix: %p", tag_prefix);
if (strncmp(tag_prefix, config->Syntax.Section.control, strlen(config->Syntax.Section.control)) == 0) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Section tag");
current_result = template_parse_section__(POSITION_INFO, arena, s, config);
} else if (strncmp(tag_prefix, config->Syntax.Interpolate.invoke, strlen(config->Syntax.Interpolate.invoke)) == 0) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Interpolation tag");
current_result = template_parse_interpolation__(POSITION_INFO, arena, s, config);
} else if (strncmp(tag_prefix, config->Syntax.Include.invoke, strlen(config->Syntax.Include.invoke)) == 0) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Include tag");
current_result = template_parse_include__(POSITION_INFO, arena, s, config);
} else if (strncmp(tag_prefix, config->Syntax.Execute.invoke, strlen(config->Syntax.Execute.invoke)) == 0) {
raise_message(LOG_LEVEL_TRACE, POSITION_INFO, "PARSE: Execute tag");
current_result = template_parse_execute__(POSITION_INFO, arena, s, config);
} else {
raise_message(LOG_LEVEL_EXCEPTION, POSITION_INFO, "PARSE: Unknown tag prefix: %s", slice_create__(POSITION_INFO, 1, (char *)tag_prefix, strlen(tag_prefix), 0, TEMPLATE_MAX_PREFIX_LEN));
return RESULT_ERROR(TemplateResult, TEMPLATE_ERROR_UNKNOWN_TAG, "Unknown tag prefix");
}
TRY(current_result);
}
*current = current_result.Result.some;
current->next = arena_alloc__(POSITION_INFO, arena, sizeof(TemplateNode));
current = current->next;
}
(*s)++;
}
// Add text node if there is any text after the last tag
if (start != *s) {
current->type = TEMPLATE_NODE_TEXT;
current->value.text.content = arena_strncpy__(POSITION_INFO, arena, start, *s - start);
}
return RESULT_SOME(TemplateResult, *root);
}
#undef TEMPLATE_ASSERT_SYNTAX
#define TEMPLATE_NODE_MAX_DEBUG_DEPTH 20
char *template_node_type_to_string(TemplateNodeType type) {
switch (type) {
case TEMPLATE_NODE_SECTION: return "SECTION";
case TEMPLATE_NODE_INTERPOLATE: return "INTERPOLATE";
case TEMPLATE_NODE_EXECUTE: return "EXECUTE";
case TEMPLATE_NODE_INCLUDE: return "INCLUDE";
case TEMPLATE_NODE_TEXT: return "TEXT";
default: {
raise_exception("HECTICLIB ERROR: Unknown template node type: %d", type);
return "UNKNOWN";
};
}
}
char *template_section_value_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateSectionValue *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, TemplateSectionValue, name, self, visited, 3,
string_to_debug_str__(POSITION_INFO, arena, "iterator", self->iterator),
string_to_debug_str__(POSITION_INFO, arena, "collection", self->collection),
template_node_to_debug_str__(POSITION_INFO, arena, "body", self->body, visited)
);
return result;
}
char *template_interpolate_value_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateInterpolateValue *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, TemplateInterpolateValue, name, self, visited, 1,
string_to_debug_str__(POSITION_INFO, arena, "key", self->key)
);
return result;
}
char *template_execute_value_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateExecuteValue *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, TemplateExecuteValue, name, self, visited, 1,
string_to_debug_str__(POSITION_INFO, arena, "code", self->code)
);
return result;
}
char *template_include_value_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateIncludeValue *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, TemplateIncludeValue, name, self, visited, 1,
string_to_debug_str__(POSITION_INFO, arena, "key", self->key)
);
return result;
}
char *template_text_value_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateTextValue *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, TemplateTextValue, name, self, visited, 1,
string_to_debug_str__(POSITION_INFO, arena, "content", self->content)
);
return result;
}
char *template_value_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateValue *self, TemplateNodeType type, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
UNION_TO_DEBUG_STR(arena, result, TemplateValue, name, self, visited, type, 5,
TEMPLATE_NODE_SECTION, template_section_value_to_debug_str__(POSITION_INFO, arena, "section", &self->section, visited),
TEMPLATE_NODE_INTERPOLATE, template_interpolate_value_to_debug_str__(POSITION_INFO, arena, "interpolate", &self->interpolate, visited),
TEMPLATE_NODE_EXECUTE, template_execute_value_to_debug_str__(POSITION_INFO, arena, "execute", &self->execute, visited),
TEMPLATE_NODE_INCLUDE, template_include_value_to_debug_str__(POSITION_INFO, arena, "include", &self->include, visited),
TEMPLATE_NODE_TEXT, template_text_value_to_debug_str__(POSITION_INFO, arena, "text", &self->text, visited)
);
return result;
}
char *template_node_to_debug_str__(POSITION_INFO_DECLARATION, Arena *arena, const char *name, const TemplateNode *self, PtrSet *visited) {
char *result = arena_alloc(arena, MEM_KiB);
STRUCT_TO_DEBUG_STR(arena, result, TemplateNode, name, self, visited, 4,
string_to_debug_str__(POSITION_INFO, arena, "type", template_node_type_to_string(self->type)),
template_value_to_debug_str__(POSITION_INFO, arena, "value", &self->value, self->type, visited),
template_node_to_debug_str__(POSITION_INFO, arena, "children", self->children, visited),
template_node_to_debug_str__(POSITION_INFO, arena, "next", self->next, visited)
);
return result;
}
// ---------
// -- End --
// ---------
#undef POSITION_INFO_DECLARATION
#undef POSITION_INFO
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