tld.h File Reference

#include <stdlib.h>
#include <idn-int.h>

Go to the source code of this file.

Data Structures

struct  Tld_table_element
struct  Tld_table

Typedefs

typedef struct Tld_table_element Tld_table_element
typedef struct Tld_table Tld_table

Enumerations

enum  Tld_rc {
  TLD_SUCCESS = 0, TLD_INVALID = 1, TLD_NODATA = 2, TLD_MALLOC_ERROR = 3,
  TLD_ICONV_ERROR = 4, TLD_NO_TLD = 5, TLD_NOTLD = TLD_NO_TLD
}

Functions

IDNAPI const char * tld_strerror (Tld_rc rc)
IDNAPI int tld_get_4 (const uint32_t *in, size_t inlen, char **out)
IDNAPI int tld_get_4z (const uint32_t *in, char **out)
IDNAPI int tld_get_z (const char *in, char **out)
IDNAPI const Tld_tabletld_get_table (const char *tld, const Tld_table **tables)
IDNAPI const Tld_tabletld_default_table (const char *tld, const Tld_table **overrides)
IDNAPI int tld_check_4t (const uint32_t *in, size_t inlen, size_t *errpos, const Tld_table *tld)
IDNAPI int tld_check_4tz (const uint32_t *in, size_t *errpos, const Tld_table *tld)
IDNAPI int tld_check_4 (const uint32_t *in, size_t inlen, size_t *errpos, const Tld_table **overrides)
IDNAPI int tld_check_4z (const uint32_t *in, size_t *errpos, const Tld_table **overrides)
IDNAPI int tld_check_8z (const char *in, size_t *errpos, const Tld_table **overrides)
IDNAPI int tld_check_lz (const char *in, size_t *errpos, const Tld_table **overrides)

Typedef Documentation

typedef struct Tld_table Tld_table

Definition at line 68 of file tld.h.

Definition at line 58 of file tld.h.


Enumeration Type Documentation

enum Tld_rc
Enumerator:
TLD_SUCCESS 
TLD_INVALID 
TLD_NODATA 
TLD_MALLOC_ERROR 
TLD_ICONV_ERROR 
TLD_NO_TLD 
TLD_NOTLD 

Definition at line 71 of file tld.h.


Function Documentation

IDNAPI int tld_check_4 ( const uint32_t *  in,
size_t  inlen,
size_t *  errpos,
const Tld_table **  overrides 
)

tld_check_4:

Parameters:
in Array of unicode code points to process. Does not need to be zero terminated.
inlen Number of unicode code points.
errpos Position of offending character is returned here.
overrides A Tld_table array of additional domain restriction structures that complement and supersede the built-in information.

Test each of the code points in for whether or not they are allowed by the information in or by the built-in TLD restriction data. When data for the same TLD is available both internally and in , the information in takes precedence. If several entries for a specific TLD are found, the first one is used. If is NULL, only the built-in information is used. The position of the first offending character is returned in .

Return value: Returns the Tld_rc value TLD_SUCCESS if all code points are valid or when is null, TLD_INVALID if a character is not allowed, or additional error codes on general failure conditions.

Definition at line 351 of file tld.c.

IDNAPI int tld_check_4t ( const uint32_t *  in,
size_t  inlen,
size_t *  errpos,
const Tld_table tld 
)

tld_check_4t:

Parameters:
in Array of unicode code points to process. Does not need to be zero terminated.
inlen Number of unicode code points.
errpos Position of offending character is returned here.
tld A Tld_table data structure representing the restrictions for which the input should be tested.

Test each of the code points in for whether or not they are allowed by the data structure in , return the position of the first character for which this is not the case in .

Return value: Returns the Tld_rc value TLD_SUCCESS if all code points are valid or when is null, TLD_INVALID if a character is not allowed, or additional error codes on general failure conditions.

Definition at line 272 of file tld.c.

IDNAPI int tld_check_4tz ( const uint32_t *  in,
size_t *  errpos,
const Tld_table tld 
)

tld_check_4tz:

Parameters:
in Zero terminated array of unicode code points to process.
errpos Position of offending character is returned here.
tld A Tld_table data structure representing the restrictions for which the input should be tested.

Test each of the code points in for whether or not they are allowed by the data structure in , return the position of the first character for which this is not the case in .

Return value: Returns the Tld_rc value TLD_SUCCESS if all code points are valid or when is null, TLD_INVALID if a character is not allowed, or additional error codes on general failure conditions.

Definition at line 314 of file tld.c.

IDNAPI int tld_check_4z ( const uint32_t *  in,
size_t *  errpos,
const Tld_table **  overrides 
)

tld_check_4z:

Parameters:
in Zero-terminated array of unicode code points to process.
errpos Position of offending character is returned here.
overrides A Tld_table array of additional domain restriction structures that complement and supersede the built-in information.

Test each of the code points in for whether or not they are allowed by the information in or by the built-in TLD restriction data. When data for the same TLD is available both internally and in , the information in takes precedence. If several entries for a specific TLD are found, the first one is used. If is NULL, only the built-in information is used. The position of the first offending character is returned in .

Return value: Returns the Tld_rc value TLD_SUCCESS if all code points are valid or when is null, TLD_INVALID if a character is not allowed, or additional error codes on general failure conditions.

Definition at line 401 of file tld.c.

IDNAPI int tld_check_8z ( const char *  in,
size_t *  errpos,
const Tld_table **  overrides 
)

tld_check_8z:

Parameters:
in Zero-terminated UTF8 string to process.
errpos Position of offending character is returned here.
overrides A Tld_table array of additional domain restriction structures that complement and supersede the built-in information.

Test each of the characters in for whether or not they are allowed by the information in or by the built-in TLD restriction data. When data for the same TLD is available both internally and in , the information in takes precedence. If several entries for a specific TLD are found, the first one is used. If is NULL, only the built-in information is used. The position of the first offending character is returned in . Note that the error position refers to the decoded character offset rather than the byte position in the string.

Return value: Returns the Tld_rc value TLD_SUCCESS if all characters are valid or when is null, TLD_INVALID if a character is not allowed, or additional error codes on general failure conditions.

Definition at line 439 of file tld.c.

IDNAPI int tld_check_lz ( const char *  in,
size_t *  errpos,
const Tld_table **  overrides 
)

tld_check_lz:

Parameters:
in Zero-terminated string in the current locales encoding to process.
errpos Position of offending character is returned here.
overrides A Tld_table array of additional domain restriction structures that complement and supersede the built-in information.

Test each of the characters in for whether or not they are allowed by the information in or by the built-in TLD restriction data. When data for the same TLD is available both internally and in , the information in takes precedence. If several entries for a specific TLD are found, the first one is used. If is NULL, only the built-in information is used. The position of the first offending character is returned in . Note that the error position refers to the decoded character offset rather than the byte position in the string.

Return value: Returns the Tld_rc value TLD_SUCCESS if all characters are valid or when is null, TLD_INVALID if a character is not allowed, or additional error codes on general failure conditions.

Definition at line 484 of file tld.c.

IDNAPI const Tld_table* tld_default_table ( const char *  tld,
const Tld_table **  overrides 
)

tld_default_table:

Parameters:
tld TLD name (e.g. "com") as zero terminated ASCII byte string.
overrides Additional zero terminated array of Tld_table info-structures for TLDs, or NULL to only use library deault tables.

Get the TLD table for a named TLD, using the internal defaults, possibly overrided by the (optional) supplied tables.

Return value: Return structure corresponding to TLD , first looking through then thru built-in list, or NULL if no such structure found.

Definition at line 82 of file tld.c.

IDNAPI int tld_get_4 ( const uint32_t *  in,
size_t  inlen,
char **  out 
)

tld_get_4:

Parameters:
in Array of unicode code points to process. Does not need to be zero terminated.
inlen Number of unicode code points.
out Zero terminated ascii result string pointer.

Isolate the top-level domain of and return it as an ASCII string in .

Return value: Return TLD_SUCCESS on success, or the corresponding Tld_rc error code otherwise.

Definition at line 115 of file tld.c.

IDNAPI int tld_get_4z ( const uint32_t *  in,
char **  out 
)

tld_get_4z:

Parameters:
in Zero terminated array of unicode code points to process.
out Zero terminated ascii result string pointer.

Isolate the top-level domain of and return it as an ASCII string in .

Return value: Return TLD_SUCCESS on success, or the corresponding Tld_rc error code otherwise.

Definition at line 163 of file tld.c.

IDNAPI const Tld_table* tld_get_table ( const char *  tld,
const Tld_table **  tables 
)

tld_get_table:

Parameters:
tld TLD name (e.g. "com") as zero terminated ASCII byte string.
tables Zero terminated array of Tld_table info-structures for TLDs.

Get the TLD table for a named TLD by searching through the given TLD table array.

Return value: Return structure corresponding to TLD by going thru , or return NULL if no such structure is found.

Definition at line 53 of file tld.c.

IDNAPI int tld_get_z ( const char *  in,
char **  out 
)

tld_get_z:

Parameters:
in Zero terminated character array to process.
out Zero terminated ascii result string pointer.

Isolate the top-level domain of and return it as an ASCII string in . The input string may be UTF-8, ISO-8859-1 or any ASCII compatible character encoding.

Return value: Return TLD_SUCCESS on success, or the corresponding Tld_rc error code otherwise.

Definition at line 189 of file tld.c.

IDNAPI const char* tld_strerror ( Tld_rc  rc  ) 

tld_strerror:

Parameters:
rc tld return code

Convert a return code integer to a text string. This string can be used to output a diagnostic message to the user.

TLD_SUCCESS: Successful operation. This value is guaranteed to always be zero, the remaining ones are only guaranteed to hold non-zero values, for logical comparison purposes. TLD_INVALID: Invalid character found. TLD_NODATA: No input data was provided. TLD_MALLOC_ERROR: Error during memory allocation. TLD_ICONV_ERROR: Error during iconv string conversion. TLD_NO_TLD: No top-level domain found in domain string.

Return value: Returns a pointer to a statically allocated string containing a description of the error with the return code .

Definition at line 52 of file strerror-tld.c.


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