100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#ifndef TINYTEMPLATE_H
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#define TINYTEMPLATE_H
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#ifndef TINYTEMPLATE_MAX_SCOPE_DEPTH
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#define TINYTEMPLATE_MAX_SCOPE_DEPTH 8
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#endif
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#ifndef TINYTEMPLATE_MAX_EXPR_DEPTH
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#define TINYTEMPLATE_MAX_EXPR_DEPTH 8
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#endif
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#ifndef TINYTEMPLATE_MAX_ITER_DEPTH
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#define TINYTEMPLATE_MAX_ITER_DEPTH 8
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#endif
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typedef enum {
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TINYTEMPLATE_TYPE_INT,
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TINYTEMPLATE_TYPE_FLOAT,
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TINYTEMPLATE_TYPE_DICT,
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TINYTEMPLATE_TYPE_ARRAY,
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TINYTEMPLATE_TYPE_STRING,
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} tinytemplate_type_t;
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typedef struct tinytemplate_value_t tinytemplate_value_t;
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typedef bool (*tinytemplate_nextcallback_t)(void*, tinytemplate_value_t*);
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typedef bool (*tinytemplate_getter_t)(void*, const char*, size_t, tinytemplate_value_t*);
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typedef void (*tinytemplate_callback_t)(void *userp, const char *str, size_t len);
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typedef struct {
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void *data;
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tinytemplate_getter_t get;
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} tinytemplate_dict_t;
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typedef struct {
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void *data;
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tinytemplate_nextcallback_t next;
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} tinytemplate_array_t;
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typedef struct {
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const char *str; size_t len;
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} tinytemplate_string_t;
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typedef union {
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int64_t as_int;
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double as_float;
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tinytemplate_dict_t as_dict;
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tinytemplate_array_t as_array;
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tinytemplate_string_t as_string;
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} tinytemplate_union_t;
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struct tinytemplate_value_t {
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tinytemplate_type_t type;
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tinytemplate_union_t data;
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};
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typedef struct {
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int opcode;
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struct {
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int64_t as_int;
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size_t as_size;
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double as_float;
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} operands[2];
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} tinytemplate_instr_t;
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typedef enum {
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TINYTEMPLATE_STATUS_DONE,
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TINYTEMPLATE_STATUS_ESYMBOL,
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TINYTEMPLATE_STATUS_ESCOPE,
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TINYTEMPLATE_STATUS_EDEPTH,
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TINYTEMPLATE_STATUS_ETYPE,
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TINYTEMPLATE_STATUS_EITER,
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TINYTEMPLATE_STATUS_EMEMORY,
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TINYTEMPLATE_STATUS_ESYNTAX,
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TINYTEMPLATE_STATUS_ESEMANT,
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} tinytemplate_status_t;
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tinytemplate_status_t
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tinytemplate_eval(const char *src, const tinytemplate_instr_t *program,
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void *userp, tinytemplate_getter_t params,
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tinytemplate_callback_t callback,
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char *errmsg, size_t errmax);
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tinytemplate_status_t
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tinytemplate_compile(const char *src, size_t len,
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tinytemplate_instr_t *program,
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size_t max_instr, size_t *num_instr,
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char *errmsg, size_t errmax);
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void tinytemplate_set_int(tinytemplate_value_t *dst, int64_t value);
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void tinytemplate_set_float(tinytemplate_value_t *dst, float value);
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void tinytemplate_set_string(tinytemplate_value_t *dst, const char *str, size_t len);
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void tinytemplate_set_array(tinytemplate_value_t *dst, void *data, tinytemplate_nextcallback_t next);
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void tinytemplate_set_dict(tinytemplate_value_t *dst, void *data, tinytemplate_getter_t get);
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#endif |