/*
*******************************************************************************
*
- * Copyright (C) 2003, International Business Machines
+ * Copyright (C) 2003-2007, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
#include "unicode/parseerr.h"
/**
- *\file
+ * \file
+ * \brief C API: Internationalized Domain Names in Applications Tranformation
+ *
* UIDNA API implements the IDNA protocol as defined in the IDNA RFC
* (http://www.ietf.org/rfc/rfc3490.txt).
* The RFC defines 2 operations: ToASCII and ToUnicode. Domain labels
* once.
* ToUnicode(ToUnicode(ToUnicode...(ToUnicode(string)))) == ToUnicode(string)
* ToASCII(ToASCII(ToASCII...(ToASCII(string))) == ToASCII(string).
- *\end_file
+ *
*/
/**
* do not check if the input conforms to STD-3 ASCII rules.
*
* @see uidna_toASCII uidna_toUnicode
- * @draft ICU 2.6
+ * @stable ICU 2.6
*/
#define UIDNA_DEFAULT 0x0000
/**
* Option to allow processing of unassigned codepoints in the input
*
* @see uidna_toASCII uidna_toUnicode
- * @draft ICU 2.6
+ * @stable ICU 2.6
*/
#define UIDNA_ALLOW_UNASSIGNED 0x0001
/**
* Option to check if input conforms to STD-3 ASCII rules
*
* @see uidna_toASCII uidna_toUnicode
- * @draft ICU 2.6
+ * @stable ICU 2.6
*/
#define UIDNA_USE_STD3_RULES 0x0002
-
+
/**
* This function implements the ToASCII operation as defined in the IDNA RFC.
* This operation is done on <b>single labels</b> before sending it to something that expects
* @param destCapacity Size of dest.
* @param options A bit set of options:
*
- * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
- * and do not use STD3 ASCII rules
- * If unassigned code points are found the operation fails with
- * U_UNASSIGNED_CODE_POINT_FOUND error code.
+ * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
+ * and do not use STD3 ASCII rules
+ * If unassigned code points are found the operation fails with
+ * U_UNASSIGNED_ERROR error code.
*
- * - UIDNA_UNASSIGNED Unassigned values can be converted to ASCII for query operations
- * If this option is set, the unassigned code points are in the input
- * are treated as normal Unicode code points.
+ * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations
+ * If this option is set, the unassigned code points are in the input
+ * are treated as normal Unicode code points.
*
- * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
- * If this option is set and the input does not satisfy STD3 rules,
- * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
+ * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
+ * If this option is set and the input does not satisfy STD3 rules,
+ * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
*
* @param parseError Pointer to UParseError struct to receive information on position
* of error if an error is encountered. Can be NULL.
* U_INDEX_OUTOFBOUNDS_ERROR if src contains
* too many code points.
* U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough
- * @return Number of ASCII characters converted.
- * @draft ICU 2.6
+ * @return The length of the result string, if successful - or in case of a buffer overflow,
+ * in which case it will be greater than destCapacity.
+ * @stable ICU 2.6
*/
-U_CAPI int32_t U_EXPORT2
+U_STABLE int32_t U_EXPORT2
uidna_toASCII(const UChar* src, int32_t srcLength,
UChar* dest, int32_t destCapacity,
int32_t options,
* @param destCapacity Size of dest.
* @param options A bit set of options:
*
- * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
- * and do not use STD3 ASCII rules
- * If unassigned code points are found the operation fails with
- * U_UNASSIGNED_CODE_POINT_FOUND error code.
+ * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
+ * and do not use STD3 ASCII rules
+ * If unassigned code points are found the operation fails with
+ * U_UNASSIGNED_ERROR error code.
*
- * - UIDNA_UNASSIGNED Unassigned values can be converted to ASCII for query operations
- * If this option is set, the unassigned code points are in the input
- * are treated as normal Unicode code points. <b> Note: </b> This option is
- * required on toUnicode operation because the RFC mandates
- * verification of decoded ACE input by applying toASCII and comparing
- * its output with source
+ * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations
+ * If this option is set, the unassigned code points are in the input
+ * are treated as normal Unicode code points. <b> Note: </b> This option is
+ * required on toUnicode operation because the RFC mandates
+ * verification of decoded ACE input by applying toASCII and comparing
+ * its output with source
*
*
*
- * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
- * If this option is set and the input does not satisfy STD3 rules,
- * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
+ * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
+ * If this option is set and the input does not satisfy STD3 rules,
+ * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
*
* @param parseError Pointer to UParseError struct to receive information on position
* of error if an error is encountered. Can be NULL.
* U_INDEX_OUTOFBOUNDS_ERROR if src contains
* too many code points.
* U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough
- * @return Number of Unicode characters converted.
- * @draft ICU 2.6
+ * @return The length of the result string, if successful - or in case of a buffer overflow,
+ * in which case it will be greater than destCapacity.
+ * @stable ICU 2.6
*/
-U_CAPI int32_t U_EXPORT2
+U_STABLE int32_t U_EXPORT2
uidna_toUnicode(const UChar* src, int32_t srcLength,
UChar* dest, int32_t destCapacity,
int32_t options,
* @param destCapacity Size of dest.
* @param options A bit set of options:
*
- * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
- * and do not use STD3 ASCII rules
- * If unassigned code points are found the operation fails with
- * U_UNASSIGNED_CODE_POINT_FOUND error code.
+ * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
+ * and do not use STD3 ASCII rules
+ * If unassigned code points are found the operation fails with
+ * U_UNASSIGNED_CODE_POINT_FOUND error code.
*
- * - UIDNA_UNASSIGNED Unassigned values can be converted to ASCII for query operations
- * If this option is set, the unassigned code points are in the input
- * are treated as normal Unicode code points.
+ * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations
+ * If this option is set, the unassigned code points are in the input
+ * are treated as normal Unicode code points.
*
- * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
- * If this option is set and the input does not satisfy STD3 rules,
- * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
+ * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
+ * If this option is set and the input does not satisfy STD3 rules,
+ * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
*
* @param parseError Pointer to UParseError struct to receive information on position
* of error if an error is encountered. Can be NULL.
* U_INDEX_OUTOFBOUNDS_ERROR if src contains
* too many code points.
* U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough
- * @return Number of ASCII characters converted.
- * @draft ICU 2.6
+ * @return The length of the result string, if successful - or in case of a buffer overflow,
+ * in which case it will be greater than destCapacity.
+ * @stable ICU 2.6
*/
-U_CAPI int32_t U_EXPORT2
+U_STABLE int32_t U_EXPORT2
uidna_IDNToASCII( const UChar* src, int32_t srcLength,
UChar* dest, int32_t destCapacity,
int32_t options,
* @param destCapacity Size of dest.
* @param options A bit set of options:
*
- * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
- * and do not use STD3 ASCII rules
- * If unassigned code points are found the operation fails with
- * U_UNASSIGNED_CODE_POINT_FOUND error code.
+ * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
+ * and do not use STD3 ASCII rules
+ * If unassigned code points are found the operation fails with
+ * U_UNASSIGNED_CODE_POINT_FOUND error code.
*
- * - UIDNA_UNASSIGNED Unassigned values can be converted to ASCII for query operations
- * If this option is set, the unassigned code points are in the input
- * are treated as normal Unicode code points.
+ * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations
+ * If this option is set, the unassigned code points are in the input
+ * are treated as normal Unicode code points.
*
- * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
- * If this option is set and the input does not satisfy STD3 rules,
- * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
+ * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
+ * If this option is set and the input does not satisfy STD3 rules,
+ * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
*
* @param parseError Pointer to UParseError struct to receive information on position
* of error if an error is encountered. Can be NULL.
* U_INDEX_OUTOFBOUNDS_ERROR if src contains
* too many code points.
* U_BUFFER_OVERFLOW_ERROR if destCapacity is not enough
- * @return Number of ASCII characters converted.
- * @draft ICU 2.6
+ * @return The length of the result string, if successful - or in case of a buffer overflow,
+ * in which case it will be greater than destCapacity.
+ * @stable ICU 2.6
*/
-U_CAPI int32_t U_EXPORT2
+U_STABLE int32_t U_EXPORT2
uidna_IDNToUnicode( const UChar* src, int32_t srcLength,
UChar* dest, int32_t destCapacity,
int32_t options,
UErrorCode* status);
/**
- * Compare two strings for IDNs for equivalence.
+ * Compare two IDN strings for equivalence.
* This function splits the domain names into labels and compares them.
* According to IDN RFC, whenever two labels are compared, they are
* considered equal if and only if their ASCII forms (obtained by
* @param length2 Length of second source string, or -1 if NUL-terminated.
* @param options A bit set of options:
*
- * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
- * and do not use STD3 ASCII rules
- * If unassigned code points are found the operation fails with
- * U_UNASSIGNED_CODE_POINT_FOUND error code.
+ * - UIDNA_DEFAULT Use default options, i.e., do not process unassigned code points
+ * and do not use STD3 ASCII rules
+ * If unassigned code points are found the operation fails with
+ * U_UNASSIGNED_CODE_POINT_FOUND error code.
*
- * - UIDNA_UNASSIGNED Unassigned values can be converted to ASCII for query operations
- * If this option is set, the unassigned code points are in the input
- * are treated as normal Unicode code points.
+ * - UIDNA_ALLOW_UNASSIGNED Unassigned values can be converted to ASCII for query operations
+ * If this option is set, the unassigned code points are in the input
+ * are treated as normal Unicode code points.
*
- * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
- * If this option is set and the input does not satisfy STD3 rules,
- * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
+ * - UIDNA_USE_STD3_RULES Use STD3 ASCII rules for host name syntax restrictions
+ * If this option is set and the input does not satisfy STD3 rules,
+ * the operation will fail with U_IDNA_STD3_ASCII_RULES_ERROR
*
* @param status ICU error code in/out parameter.
* Must fulfill U_SUCCESS before the function call.
* @return <0 or 0 or >0 as usual for string comparisons
- * @draft ICU 2.6
+ * @stable ICU 2.6
*/
-U_CAPI int32_t U_EXPORT2
+U_STABLE int32_t U_EXPORT2
uidna_compare( const UChar *s1, int32_t length1,
const UChar *s2, int32_t length2,
int32_t options,
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