108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
#ifndef DCFG_H
|
|
#define DCFG_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct dcfg_Value dcfg_Value;
|
|
typedef struct dcfg_Instance dcfg_Instance;
|
|
|
|
// Type definitions
|
|
typedef struct dcfg_StringView {
|
|
char const *data;
|
|
size_t size;
|
|
} dcfg_StringView;
|
|
|
|
typedef void *(*dcfg_AllocFn)(size_t); // This should automatically zero memory.
|
|
typedef void (*dcfg_FreeFn)(void *);
|
|
typedef char *(*dcfg_RealpathFn)(char const *);
|
|
typedef void *(*dcfg_FopenFn)(char const *, char const *);
|
|
typedef int (*dcfg_FseekFn)(void *, size_t, int);
|
|
typedef long (*dcfg_FtellFn)(void *);
|
|
|
|
typedef struct dcfg_InstanceCreateInfo {
|
|
// Default using libc
|
|
dcfg_AllocFn alloc;
|
|
dcfg_FreeFn free;
|
|
|
|
// If POSIX support is enabled, all of those are defined if NULL.
|
|
dcfg_RealpathFn realpath;
|
|
dcfg_FopenFn fopen;
|
|
dcfg_FseekFn fseek;
|
|
dcfg_FtellFn ftell;
|
|
} dcfg_InstanceCreateInfo;
|
|
|
|
typedef enum dcfg_ValueKind {
|
|
dcfg_ValueType_Nil,
|
|
dcfg_ValueType_Boolean,
|
|
dcfg_ValueType_Integer,
|
|
dcfg_ValueType_Real,
|
|
dcfg_ValueType_String,
|
|
dcfg_ValueType_Path,
|
|
dcfg_ValueType_Object,
|
|
dcfg_ValueType_Array,
|
|
dcfg_ValueType_Function,
|
|
dcfg_ValueType_FunctionCall,
|
|
} dcfg_ValueType;
|
|
|
|
dcfg_Instance *dcfg_make_instance(dcfg_InstanceCreateInfo const *create_info);
|
|
void dcfg_destroy_instance(dcfg_Instance *instance);
|
|
|
|
char const *dcfg_last_error(dcfg_Instance *instance);
|
|
|
|
// File path gets copied internally to instance to a Value * -> path hashmap for
|
|
// evaluation.
|
|
dcfg_Value *dcfg_parse(
|
|
dcfg_Instance *instance, dcfg_StringView const file_path);
|
|
void dcfg_destroy(dcfg_Value *value);
|
|
|
|
bool dcfg_serialize_value(dcfg_Value *value, dcfg_StringView *out_sv);
|
|
|
|
// Value type checking
|
|
dcfg_ValueType dcfg_Value_type_ex(dcfg_Value *value, bool evaluate);
|
|
static inline dcfg_ValueType dcfg_Value_type(dcfg_Value *value)
|
|
{
|
|
return dcfg_Value_type_ex(value, true);
|
|
}
|
|
|
|
// Value getters
|
|
bool dcfg_Value_get_object_field_ex(dcfg_Value *value,
|
|
dcfg_StringView const key, dcfg_Value **out_value, bool const evaluate);
|
|
bool dcfg_Value_get_array_item_ex(dcfg_Value *value, size_t const index,
|
|
dcfg_Value **out_value, bool const evaluate);
|
|
|
|
bool dcfg_Value_get_boolean(dcfg_Value *value, bool *out_value);
|
|
bool dcfg_Value_get_integer(dcfg_Value *value, int64_t *out_value);
|
|
bool dcfg_Value_get_real(dcfg_Value *value, double *out_value);
|
|
bool dcfg_Value_get_string(dcfg_Value *value, dcfg_StringView *out_sv);
|
|
bool dcfg_Value_get_path(dcfg_Value *value, dcfg_StringView *out_sv);
|
|
bool dcfg_Value_get_object_keys(dcfg_Value *value, size_t const capacity,
|
|
size_t *out_count, dcfg_StringView *out_keys);
|
|
bool dcfg_Value_get_array_size(dcfg_Value *value, size_t *out_size);
|
|
|
|
static inline bool dcfg_Value_get_object_field(
|
|
dcfg_Value *value, dcfg_StringView const key, dcfg_Value **out_value)
|
|
{
|
|
return dcfg_Value_get_object_field_ex(value, key, out_value, true);
|
|
}
|
|
static inline bool dcfg_Value_get_array_item(
|
|
dcfg_Value *value, size_t const index, dcfg_Value **out_value)
|
|
{
|
|
return dcfg_Value_get_array_item_ex(value, index, out_value, true);
|
|
}
|
|
|
|
bool dcfg_call_function(dcfg_Value *function, dcfg_Value **args,
|
|
size_t arg_count, dcfg_Value **out_value);
|
|
bool dcfg_Value_evaluate(dcfg_Value *value, dcfg_Value **out_value);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // DCFG_H
|