System-Programming-Project/command_parser.h at master · antoniomuso/System-Programming-Project · GitHub

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#include <stddef.h>
#include "b64.c/b64.h"


#ifndef SYSTEM_PROGRAMMING_PROJECT_COMMAND_PARSER_H
#define SYSTEM_PROGRAMMING_PROJECT_COMMAND_PARSER_H

#define MAX_OPTION_LEN 20
#define REALLOC_INC_SIZE 4

#define MAX_HTTP_FIELD_LEN 60

#define ATTRIBUTES_NUMBER 5

struct command_arc {
    char name[MAX_OPTION_LEN];
    char type[8]; // Accepted types are: int, str, null, float
};


struct command {
    char name[MAX_OPTION_LEN];
    char value[MAX_OPTION_LEN];
};


typedef struct command command;
typedef struct command_arc command_arc;

struct options {
    command* commands;
    int comm_len;
};
typedef struct options options;

struct http_attribute {
    char * authorization;   //example: Authorization: Basic am9lYjp4eDEyMw==
    char * user_agent;      //example: User-Agent:
    int content_length;     //example: Content-Length: 45033
    char * content_type;
    char * connection;
};

typedef struct http_attribute http_attribute;

struct http_header {
    int is_request ;   //if is_request < 0: there was an error during parsing.
    int code_response; //defined only if is_request is 0
    char * type_req;
    char * url ;
    char * protocol_type;
    http_attribute attribute;
    char * pointer_to_free;
};
typedef struct http_header http_header;

struct authorization {
    char  * name;
    char * password;
    char * free_pointer;
};

typedef struct authorization authorization;

struct operation_command {
    char * comm;
    char * args;
};

authorization parse_authorization (const char * src);
int is_options_error (options opt);
char* get_command_value (char command[], options opt);
options options_parse (int argc, char *argv[], command_arc command_list[], int len_comm);
options parse_file(char *name, command_arc cmd_arc[], int arc_len);
int contains (const char name[MAX_OPTION_LEN],const char value[MAX_OPTION_LEN], options opt);
void free_options(options opt);

http_header parse_http_header_request (const char* data, int data_len);
http_header parse_http_header_response(const char *data, int data_len);

char *create_http_response(int response_code, unsigned long content_len, char * content_type, char *filename, char *location);
void free_http_header(http_header http_h);
int startsWith(const char *pre, const char *str);
struct operation_command parser_operation (char * url);
char * get_file_name (char * path);
void free_operation_command(struct operation_command op);
#endif //SYSTEM_PROGRAMMING_PROJECT_COMMAND_PARSER_H