parse.h

Go to the documentation of this file.

/*
 * parse.h 
 *
 * a Net::DNS like library for C
 * LibDNS Team @ NLnet Labs
 * (c) NLnet Labs, 2005-2006
 * See the file LICENSE for the license
 */
 
#ifndef LDNS_PARSE_H
#define LDNS_PARSE_H
 
struct sldns_buffer;
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define LDNS_PARSE_SKIP_SPACE       "\f\n\r\v"
#define LDNS_PARSE_NORMAL       " \f\n\r\t\v"
#define LDNS_PARSE_NO_NL        " \t"
#define LDNS_MAX_LINELEN        10230
#define LDNS_MAX_KEYWORDLEN     32
 

 
enum sldns_enum_directive
{
    LDNS_DIR_TTL,
    LDNS_DIR_ORIGIN,
    LDNS_DIR_INCLUDE
};
typedef enum sldns_enum_directive sldns_directive;

ssize_t sldns_fget_token(FILE *f, char *token, const char *delim, size_t limit);

ssize_t sldns_fget_token_l(FILE *f, char *token, const char *delim, size_t limit, int *line_nr);

ssize_t sldns_bget_token_par(struct sldns_buffer *b, char *token, const char *delim, size_t limit, int* par, const char* skipw);

ssize_t sldns_bget_token(struct sldns_buffer *b, char *token, const char *delim, size_t limit);
 
/*
 * searches for keyword and delim in a file. Gives everything back
 * after the keyword + k_del until we hit d_del
 * \param[in] f file pointer to read from
 * \param[in] keyword keyword to look for
 * \param[in] k_del keyword delimiter 
 * \param[out] data the data found 
 * \param[in] d_del the data delimiter
 * \param[in] data_limit maximum size the the data buffer
 * \return the number of character read
 */
ssize_t sldns_fget_keyword_data(FILE *f, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit);
 
/*
 * searches for keyword and delim. Gives everything back
 * after the keyword + k_del until we hit d_del
 * \param[in] f file pointer to read from
 * \param[in] keyword keyword to look for
 * \param[in] k_del keyword delimiter 
 * \param[out] data the data found 
 * \param[in] d_del the data delimiter
 * \param[in] data_limit maximum size the the data buffer
 * \param[in] line_nr pointer to an integer containing the current line number (for
debugging purposes)
 * \return the number of character read
 */
ssize_t sldns_fget_keyword_data_l(FILE *f, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit, int *line_nr);
 
/*
 * searches for keyword and delim in a buffer. Gives everything back
 * after the keyword + k_del until we hit d_del
 * \param[in] b buffer pointer to read from
 * \param[in] keyword keyword to look for
 * \param[in] k_del keyword delimiter 
 * \param[out] data the data found 
 * \param[in] d_del the data delimiter
 * \param[in] data_limit maximum size the the data buffer
 * \return the number of character read
 */
ssize_t sldns_bget_keyword_data(struct sldns_buffer *b, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit);

int sldns_bgetc(struct sldns_buffer *buffer);

void sldns_bskipcs(struct sldns_buffer *buffer, const char *s);

void sldns_fskipcs(FILE *fp, const char *s);
 

void sldns_fskipcs_l(FILE *fp, const char *s, int *line_nr);
 
#ifdef __cplusplus
}
#endif
 
#endif /* LDNS_PARSE_H */