parse.h

#pragma once
#include "file.h"

#define MAX_COMMENT_LEN     256
#define MAX_IDENT_LEN       31
#define MAX_NUMBER_LEN      64
#define MAX_STRING_LEN      1024

#define MAX_INT_LEN         32
#define MAX_FLOAT_LEN       64
#define MAX_FLOAT_HEX_LEN   8
#define MAX_FLOAT_HEX_DELTA 0.00001f

#define C__DIGIT            "0123456789"
#define C__SIGN             "+-"
#define C__ALPHA_LOWER      "abcdefghijklmnopqrstuvwxyz"
#define C__ALPHA_UPPER      "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define C__ALPHA            C__ALPHA_LOWER C__ALPHA_UPPER
#define C__ALPHA_NUM        C__ALPHA C__DIGIT
#define C__ALPHA_SPECIAL    C__ALPHA_NUM "`~!@#$%^&*()-_=+[{]}\\|;:,<.>/?'"

#define C_WHITESPACE        " "

#define C_NEWLINE          "\n"

#define C_COMMENT_START     "#"
#define C_COMMENT           C__ALPHA_SPECIAL " \t\""
#define C_COMMENT_END       "\n"

#define C_IDENT_START       C__ALPHA
#define C_IDENT             C__ALPHA_LOWER C__DIGIT "_"
#define C_IDENT_END         ":"
#define IDENT_NAME          "name"
#define KEYWORD_NULL        "null"
#define KEYWORD_TRUE        "true"
#define KEYWORD_FALSE       "false"

#define C_NUMBER_START      C__SIGN C__DIGIT
#define C_NUMBER_HEX        C__DIGIT "abcdefABCDEF"
#define C_NUMBER_BINARY    "01"
#define C_NUMBER_SIGN       C__SIGN
#define C_NUMBER_INT        C__DIGIT
#define C_NUMBER_FLOAT      C__DIGIT "."

#define C_STRING            C__ALPHA_SPECIAL C_WHITESPACE

#define C_ARRAY_START       "["
#define C_ARRAY_END         "]"

#define C_OBJECT_START      "{"
#define C_OBJECT_END        "}"

#define C_LIST_SEPARATOR    ","

unsigned int parse_uint(char *buf);
int parse_int_binary(char *buf);
int parse_int(char *buf);
float parse_float_hex(char *buf);
float parse_float(char *buf);
void parse_tests();