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#ifndef SMTP_COMMAND_PARSER_H
#define SMTP_COMMAND_PARSER_H
#include "smtp-command.h"
/* FIXME: drop unused */
enum smtp_command_parse_error {
/* No error */
SMTP_COMMAND_PARSE_ERROR_NONE = 0,
/* Stream error */
SMTP_COMMAND_PARSE_ERROR_BROKEN_STREAM,
/* Unrecoverable generic error */
SMTP_COMMAND_PARSE_ERROR_BROKEN_COMMAND,
/* Recoverable generic error */
SMTP_COMMAND_PARSE_ERROR_BAD_COMMAND,
/* Stream error */
SMTP_COMMAND_PARSE_ERROR_LINE_TOO_LONG,
/* Data too large (fatal) */
SMTP_COMMAND_PARSE_ERROR_DATA_TOO_LARGE
};
struct smtp_command_parser *
smtp_command_parser_init(struct istream *input,
const struct smtp_command_limits *limits) ATTR_NULL(2);
void smtp_command_parser_deinit(struct smtp_command_parser **_parser);
void smtp_command_parser_set_stream(struct smtp_command_parser *parser,
struct istream *input);
/* Returns 1 if a command was returned, 0 if more data is needed, -1 on error,
-2 if disconnected in SMTP_COMMAND_PARSE_STATE_INIT state. -2 is mainly for
unit tests - it can normally be treated the same as -1. */
int smtp_command_parse_next(struct smtp_command_parser *parser,
const char **cmd_name_r, const char **cmd_params_r,
enum smtp_command_parse_error *error_code_r,
const char **error_r);
struct istream *
smtp_command_parse_data_with_size(struct smtp_command_parser *parser,
uoff_t size);
struct istream *
smtp_command_parse_data_with_dot(struct smtp_command_parser *parser);
bool smtp_command_parser_pending_data(struct smtp_command_parser *parser);
/* Returns the same as smtp_command_parse_next() */
int smtp_command_parse_auth_response(struct smtp_command_parser *parser,
const char **line_r,
enum smtp_command_parse_error *error_code_r,
const char **error_r);
#endif
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