603 lines
22 KiB
C
603 lines
22 KiB
C
/*******************************************************************************
|
|
* *
|
|
* COPYRIGHT: *
|
|
* (C) Copyright International Business Machines Corporation, 1999 *
|
|
* Licensed Material - Program-Property of IBM - All Rights Reserved. *
|
|
* US Government Users Restricted Rights - Use, duplication, or disclosure *
|
|
* restricted by GSA ADP Schedule Contract with IBM Corp. *
|
|
* *
|
|
*******************************************************************************/
|
|
/*
|
|
* ucnv.h:
|
|
* External APIs for the ICU's codeset conversion library
|
|
* Bertrand A. Damiba
|
|
*
|
|
* Modification History:
|
|
*
|
|
* Date Name Description
|
|
* 04/04/99 helena Fixed internal header inclusion.
|
|
*/
|
|
|
|
|
|
#ifndef UCNV_H
|
|
#define UCNV_H
|
|
|
|
#include "utypes.h"
|
|
#include "ucnv_bld.h"
|
|
#include "ucnv_err.h"
|
|
|
|
U_CDECL_BEGIN
|
|
|
|
typedef void (*UConverterToUCallback) (UConverter *,
|
|
UChar **,
|
|
const UChar *,
|
|
const char **,
|
|
const char *,
|
|
int32_t* offsets,
|
|
bool_t,
|
|
UErrorCode *);
|
|
|
|
typedef void (*UConverterFromUCallback) (UConverter *,
|
|
char **,
|
|
const char *,
|
|
const UChar **,
|
|
const UChar *,
|
|
int32_t* offsets,
|
|
bool_t,
|
|
UErrorCode *);
|
|
|
|
U_CDECL_END
|
|
|
|
|
|
/**
|
|
* Creates a UConverter object with the names specified as a C string.
|
|
* The actual name will be resolved with the alias file.
|
|
* if <TT>NULL</TT> is passed for the converter name, it will create one with the
|
|
* getDefaultName return value.
|
|
* @param converterName : name of the uconv table
|
|
* @param err outgoing error status <TT>U_MEMORY_ALLOCATION_ERROR, TABLE_NOT_FOUND</TT>
|
|
* @return the created Unicode converter object, or <TT>NULL</TT> if an error occured
|
|
* @see ucnv_openU
|
|
* @see ucnv_openCCSID
|
|
* @see ucnv_close
|
|
*/
|
|
|
|
U_CAPI
|
|
UConverter* U_EXPORT2 ucnv_open (const char *converterName,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Creates a Unicode converter with the names specified as unicode string. The name should be limited to
|
|
* the ASCII-7 alphanumerics range. The actual name will be resolved with the alias file.
|
|
* if <TT>NULL</TT> is passed for the converter name, it will create one with the
|
|
* getDefaultName return value.
|
|
* @param converterName : name of the uconv table in a zero terminated Unicode string
|
|
* @param err outgoing error status <TT>U_MEMORY_ALLOCATION_ERROR, TABLE_NOT_FOUND</TT>
|
|
* @return the created Unicode converter object, or <TT>NULL</TT> if an error occured
|
|
* @see ucnv_open
|
|
* @see ucnv_openCCSID
|
|
* @see ucnv_close
|
|
*/
|
|
U_CAPI UConverter* U_EXPORT2 ucnv_openU (const UChar * name,
|
|
UErrorCode * err);
|
|
|
|
|
|
|
|
/**
|
|
* Creates a UConverter object using a CCSID number.
|
|
*
|
|
* @param codepage : codepage # of the uconv table
|
|
* @param platform : codepage's platform (now only <TT>IBM</TT> supported)
|
|
* @param err error status <TT>U_MEMORY_ALLOCATION_ERROR, TABLE_NOT_FOUND</TT>
|
|
* @return the created Unicode converter object, or <TT>NULL</TT> if and error occured
|
|
* @see ucnv_open
|
|
* @see ucnv_openU
|
|
* @see ucnv_close
|
|
*/
|
|
|
|
U_CAPI UConverter* U_EXPORT2 ucnv_openCCSID (int32_t codepage,
|
|
UConverterPlatform platform,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Deletes the unicode converter.
|
|
*
|
|
* @param converter the converter object to be deleted
|
|
* @see ucnv_open
|
|
* @see ucnv_openU
|
|
* @see ucnv_openCCSID
|
|
*/
|
|
U_CAPI void U_EXPORT2 ucnv_close (UConverter * converter);
|
|
|
|
|
|
|
|
/**
|
|
* Fills in the output parameter, subChars, with the substitution characters
|
|
* as multiple bytes.
|
|
*
|
|
* @param converter: the Unicode converter
|
|
* @param subChars: the subsitution characters
|
|
* @param len: on input the capacity of subChars, on output the number of bytes copied to it
|
|
* @param err: the outgoing error status code.
|
|
* If the substitution character array is too small, an
|
|
* <TT>U_INDEX_OUTOFBOUNDS_ERROR</TT> will be returned.
|
|
* @see ucnv_setSubstChars
|
|
*/
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ucnv_getSubstChars (const UConverter * converter,
|
|
char *subChars,
|
|
int8_t * len,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
* Sets the substitution chars when converting from unicode to a codepage. The
|
|
* substitution is specified as a string of 1-4 bytes, and may contain <TT>NULL</TT> byte.
|
|
* The fill-in parameter err will get the error status on return.
|
|
* @param converter the Unicode converter
|
|
* @param subChars the substitution character byte sequence we want set
|
|
* @param len the number of bytes in subChars
|
|
* @param err the error status code. <TT>U_INDEX_OUTOFBOUNDS_ERROR </TT> if
|
|
* len is bigger than the maximum number of bytes allowed in subchars
|
|
* @see ucnv_getSubstChars
|
|
*/
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ucnv_setSubstChars (UConverter * converter,
|
|
const char *subChars,
|
|
int8_t len,
|
|
UErrorCode * err);
|
|
|
|
|
|
|
|
/**
|
|
* Fills in the output parameter, errBytes, with the error characters from the
|
|
* last failing conversion.
|
|
*
|
|
* @param converter: the Unicode converter
|
|
* @param errBytes: the bytes in error
|
|
* @param len: on input the capacity of errBytes, on output the number of bytes copied to it
|
|
* @param err: the outgoing error status code.
|
|
* If the substitution character array is too small, an
|
|
* <TT>U_INDEX_OUTOFBOUNDS_ERROR</TT> will be returned.
|
|
*/
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ucnv_getInvalidChars (const UConverter * converter,
|
|
char *errBytes,
|
|
int8_t * len,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Fills in the output parameter, errChars, with the error characters from the
|
|
* last failing conversion.
|
|
*
|
|
* @param converter: the Unicode converter
|
|
* @param errUChars: the bytes in error
|
|
* @param len: on input the capacity of errUChars, on output the number of UChars copied to it
|
|
* @param err: the outgoing error status code.
|
|
* If the substitution character array is too small, an
|
|
* <TT>U_INDEX_OUTOFBOUNDS_ERROR</TT> will be returned.
|
|
*/
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ucnv_getInvalidUChars (const UConverter * converter,
|
|
char *errUChars,
|
|
int8_t * len,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
* Resets the state of stateful conversion to the default state. This is used
|
|
* in the case of error to restart a conversion from a known default state.
|
|
* it will also empty the internal output buffers.
|
|
* @param converter the Unicode converter
|
|
*/
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ucnv_reset (UConverter * converter);
|
|
|
|
/**
|
|
* Returns the maximum length of bytes used by a character. This varies between 1 and 4
|
|
* @param converter the Unicode converter
|
|
* @return the maximum number of bytes allowed by this particular converter
|
|
* @see ucnv_getMinCharSize
|
|
*/
|
|
U_CAPI int8_t U_EXPORT2
|
|
ucnv_getMaxCharSize (const UConverter * converter);
|
|
|
|
|
|
/**
|
|
* Returns the minimum byte length for characters in this codepage. This is either
|
|
* 1 or 2 for all supported codepages.
|
|
* @param converter the Unicode converter
|
|
* @return the minimum number of bytes allowed by this particular converter
|
|
* @see ucnv_getMaxCharSize
|
|
*/
|
|
U_CAPI int8_t U_EXPORT2
|
|
ucnv_getMinCharSize (const UConverter * converter);
|
|
|
|
|
|
/**
|
|
* Returns the display name of the converter passed in based on the Locale passed in,
|
|
* in the case the locale contains no display name, the internal ASCII name will be
|
|
* filled in.
|
|
*
|
|
* @param converter the Unicode converter.
|
|
* @param displayLocale is the specific Locale we want to localised for
|
|
* @param displayName user provided buffer to be filled in
|
|
* @param displayNameCapacty size of displayName Buffer
|
|
* @param err: outgoing error code.
|
|
* @return displayNameLength number of UChar needed in displayName
|
|
* @see ucnv_getName
|
|
*/
|
|
U_CAPI
|
|
int32_t U_EXPORT2 ucnv_getDisplayName (const UConverter * converter,
|
|
const char *displayLocale,
|
|
UChar * displayName,
|
|
int32_t displayNameCapacity,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
* Gets the name of the converter (zero-terminated).
|
|
* the name will be the internal name of the converter, the lifetime of the returned
|
|
* string will be that of the converter passed to this function.
|
|
* @param converter the Unicode converter
|
|
* @param err UErrorCode status
|
|
* @return the internal name of the converter
|
|
* @see ucnv_getDisplayName
|
|
*/
|
|
U_CAPI
|
|
const char * U_EXPORT2 ucnv_getName (const UConverter * converter, UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Gets a codepage number associated with the converter. This is not guaranteed
|
|
* to be the one used to create the converter. Some converters do not represent
|
|
* IBM registered codepages and return zero for the codepage number.
|
|
* The error code fill-in parameter indicates if the codepage number is available.
|
|
* @param converter the Unicode converter
|
|
* @param err the error status code.
|
|
* the converter is <TT>NULL</TT> or if converter's data table is <TT>NULL</TT>.
|
|
* @return If any error occurrs, -1 will be returned otherwise, the codepage number
|
|
* will be returned
|
|
*/
|
|
U_CAPI int32_t U_EXPORT2
|
|
ucnv_getCCSID (const UConverter * converter,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
* Gets a codepage platform associated with the converter. Currently, only <TT>IBM</TT> is supported
|
|
* The error code fill-in parameter indicates if the codepage number is available.
|
|
* @param converter the Unicode converter
|
|
* @param err the error status code.
|
|
* the converter is <TT>NULL</TT> or if converter's data table is <TT>NULL</TT>.
|
|
* @return The codepage platform
|
|
*/
|
|
U_CAPI UConverterPlatform U_EXPORT2
|
|
ucnv_getPlatform (const UConverter * converter,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
*Gets the type of conversion associated with the converter
|
|
* e.g. SBCS, MBCS, DBCS, UTF8, UTF16_BE, UTF16_LE, ISO_2022, EBCDIC_STATEFUL, LATIN_1
|
|
* @param converter: a valid, opened converter
|
|
* @return the type of the converter
|
|
*/
|
|
U_CAPI UConverterType U_EXPORT2
|
|
ucnv_getType (const UConverter * converter);
|
|
|
|
/**
|
|
*Gets the "starter" bytes for the converters of type MBCS
|
|
*will fill in an <TT>U_ILLEGAL_ARGUMENT_ERROR</TT> if converter passed in
|
|
*is not MBCS.
|
|
*fills in an array of boolean, with the value of the byte as offset to the array.
|
|
*At return, if TRUE is found in at offset 0x20, it means that the byte 0x20 is a starter byte
|
|
*in this converter.
|
|
* @param converter: a valid, opened converter of type MBCS
|
|
* @param starters: an array of size 256 to be filled in
|
|
* @param err: an array of size 256 to be filled in
|
|
* @see ucnv_getType
|
|
*/
|
|
U_CAPI void U_EXPORT2 ucnv_getStarters(const UConverter* converter,
|
|
bool_t starters[256],
|
|
UErrorCode* err);
|
|
|
|
|
|
/**
|
|
* Gets the current calback function used by the converter when illegal or invalid sequence found.
|
|
*
|
|
* @param converter the unicode converter
|
|
* @return a pointer to the callback function
|
|
* @see ucnv_setToUCallBack
|
|
*/
|
|
U_CAPI UConverterToUCallback U_EXPORT2
|
|
ucnv_getToUCallBack (const UConverter * converter);
|
|
|
|
/**
|
|
* Gets the current callback function used by the converter when illegal or invalid sequence found.
|
|
*
|
|
* @param converter the unicode converter
|
|
* @return a pointer to the callback function
|
|
* @see ucnv_setFromUCallBack
|
|
*/
|
|
U_CAPI UConverterFromUCallback U_EXPORT2
|
|
ucnv_getFromUCallBack (const UConverter * converter);
|
|
|
|
/**
|
|
* Gets the current callback function used by the converter when illegal or invalid sequence found.
|
|
*
|
|
* @param converter the unicode converter
|
|
* @param action the callback function we want to set.
|
|
* @param err The error code status
|
|
* @return the previously assigned callback function pointer
|
|
* @see ucnv_getToUCallBack
|
|
*/
|
|
U_CAPI UConverterToUCallback U_EXPORT2
|
|
ucnv_setToUCallBack (UConverter * converter,
|
|
UConverterToUCallback action,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
* Gets the current callback function used by the converter when illegal or invalid sequence found.
|
|
*
|
|
* @param converter the unicode converter
|
|
* @param action the callback function we want to set.
|
|
* @param err The error code status
|
|
* @return the previously assigned callback function pointer
|
|
* @see ucnv_getFromUCallBack
|
|
*/
|
|
U_CAPI UConverterFromUCallback U_EXPORT2
|
|
ucnv_setFromUCallBack (UConverter * converter,
|
|
UConverterFromUCallback action,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Transcodes an array of unicode characters to an array of codepage characters.
|
|
* The source pointer is an I/O parameter, it starts out pointing where the function is
|
|
* to begin transcoding, and ends up pointing after the first sequence of the bytes
|
|
* that it encounters that are semantically invalid.
|
|
* if ucnv_setToUCallBack is called with an action other than <TT>STOP</TT>
|
|
* before a call is made to this API, <TT>consumed</TT> and <TT>source</TT> should point to the same place
|
|
* (unless <TT>target</TT> ends with an imcomplete sequence of bytes and <TT>flush</TT> is <TT>FALSE</TT>).
|
|
* the <TT>target</TT> buffer buffer needs to be a least the size of the maximum # of bytes per characters
|
|
* allowed by the target codepage.
|
|
* @param converter the Unicode converter
|
|
* @param converter the Unicode converter
|
|
* @param target : I/O parameter. Input : Points to the beginning of the buffer to copy
|
|
* codepage characters to. Output : points to after the last codepage character copied
|
|
* to <TT>target</TT>.
|
|
* @param targetLimit the pointer to the end of the <TT>target</TT> array
|
|
* @param source the source Unicode character array
|
|
* @param sourceLimit the pointer to the end of the source array
|
|
* @param offsets if NULL is passed, nothing will happen to it, otherwise it needs to have the same number
|
|
* of allocated cells as <TT>target</TT>. Will fill in offsets from target to source pointer
|
|
* e.g: <TT>offsets[3]</TT> is equal to 6, it means that the <TT>target[3]</TT> was a result of transcoding <TT>source[6]</TT>
|
|
* For output data carried across calls -1 will be placed for offsets.
|
|
* @param flush <TT>TRUE</TT> if the buffer is the last buffer of the conversion interation
|
|
* and the conversion will finish with this call, FALSE otherwise.
|
|
* @param err the error status. <TT>U_ILLEGAL_ARGUMENT_ERROR</TT> will be returned if the
|
|
* converter is <TT>NULL</TT>.
|
|
* @see ucnv_fromUChars
|
|
* @see ucnv_convert
|
|
* @see ucnv_getMinCharSize
|
|
* @see ucnv_setToUCallBack
|
|
*/
|
|
|
|
U_CAPI
|
|
void U_EXPORT2 ucnv_fromUnicode (UConverter * converter,
|
|
char **target,
|
|
const char *targetLimit,
|
|
const UChar ** source,
|
|
const UChar * sourceLimit,
|
|
int32_t* offsets,
|
|
bool_t flush,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Converts an array of codepage characters into an array of unicode characters.
|
|
* The source pointer is an I/O parameter, it starts out pointing at the place
|
|
* to begin translating, and ends up pointing after the first sequence of the bytes
|
|
* that it encounters that are semantically invalid.
|
|
* if ucnv_setFromUCallBack is called with an action other than STOP
|
|
* before a call is made to this API, consumed and source should point to the same place
|
|
* (unless target ends with an imcomplete sequence of bytes and flush is FALSE).
|
|
* @param converter the Unicode converter
|
|
* @param target : I/O parameter. Input : Points to the beginning of the buffer to copy
|
|
* Unicode characters to. Output : points to after the last UChar copied to target.
|
|
* @param targetLimit the pointer to the end of the target array
|
|
* @param source the source codepage character array
|
|
* @param sourceLimit the pointer to the end of the source array
|
|
* @param offsets if NULL is passed, nothing will happen to it, otherwise it needs to have the same number
|
|
* of allocated cells as <TT>target</TT>. Will fill in offsets from target to source pointer
|
|
* e.g: <TT>offsets[3]</TT> is equal to 6, it means that the <TT>target[3]</TT> was a result of transcoding <TT>source[6]</TT>
|
|
* For output data carried across calls -1 will be placed for offsets.
|
|
* @param flush TRUE if the buffer is the last buffer and the conversion will finish
|
|
* in this call, FALSE otherwise.
|
|
* @param err the error code status <TT>U_ILLEGAL_ARGUMENT_ERROR</TT> will be returned if the
|
|
* converter is <TT>NULL</TT>, or if <TT>targetLimit</TT> and <TT>sourceLimit</TT> are misaligned.
|
|
* @see ucnv_toUChars
|
|
* @see ucnv_getNextUChar
|
|
* @see ucnv_convert
|
|
* @see ucnv_setFromUCallBack
|
|
*/
|
|
|
|
U_CAPI
|
|
void U_EXPORT2 ucnv_toUnicode (UConverter * converter,
|
|
UChar ** target,
|
|
const UChar * targetLimit,
|
|
const char **source,
|
|
const char *sourceLimit,
|
|
int32_t* offsets,
|
|
bool_t flush,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**
|
|
* Transcodes the source Unicode string to the target string in a codepage encoding
|
|
* with the specified Unicode converter. For example, if a Unicode to/from JIS
|
|
* converter is specified, the source string in Unicode will be transcoded to JIS
|
|
* encoding. The result will be stored in JIS encoding.
|
|
* if any problems during conversion are encountered it will SUBSTITUTE with the default (initial)
|
|
* substitute characters.
|
|
* This function is a more convenient but less efficient version of \Ref{ucnv_fromUnicode}.
|
|
* @param converter the Unicode converter
|
|
* @param source the <TT>source</TT> Unicode string (zero Terminated)
|
|
* @param target the <TT>target</TT> string in codepage encoding (<STRONG>not zero-terminated</STRONG> because some
|
|
* codepage do not use '\0' as a string terminator
|
|
* @param targetCapacity Input the number of bytes available in the <TT>target</TT> buffer
|
|
* @param err the error status code.
|
|
* <TT>U_INDEX_OUTOFBOUNDS_ERROR</TT> will be returned if the
|
|
* the # of bytes provided are not enough for transcoding.
|
|
* <TT>U_ILLEGAL_ARGUMENT_ERROR</TT> is returned if the converter is <TT>NULL</TT> or the source or target string is empty.
|
|
* <TT>U_BUFFER_OVERFLOW_ERROR</TT> when <TT>targetSize</TT> turns out to be bigger than <TT>targetCapacity</TT>
|
|
* @return number of bytes needed in target, regardless of <TT>targetCapacity</TT>
|
|
* @see ucnv_fromUnicode
|
|
* @see ucnv_convert
|
|
*/
|
|
U_CAPI
|
|
int32_t U_EXPORT2 ucnv_fromUChars (const UConverter * converter,
|
|
char *target,
|
|
int32_t targetCapacity,
|
|
const UChar * source,
|
|
UErrorCode * err);
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Transcode the source string in codepage encoding to the target string in
|
|
* Unicode encoding. For example, if a Unicode to/from JIS
|
|
* converter is specified, the source string in JIS encoding will be transcoded
|
|
* to Unicode and placed into a provided target buffer.
|
|
* if any problems during conversion are encountered it will SUBSTITUTE with the Unicode REPLACEMENT char
|
|
* We recomment, the size of the target buffer needs to be at least as long as the maximum # of bytes per char
|
|
* in this character set.
|
|
* A zero-terminator will be placed at the end of the target buffer
|
|
* This function is a more convenient but less efficient version of \Ref{ucnv_toUnicode}.
|
|
* @param converter the Unicode converter
|
|
* @param source the source string in codepage encoding
|
|
* @param target the target string in Unicode encoding
|
|
* @param targetCapacity capacity of the target buffer
|
|
* @param sourceSize : Number of bytes in <TT>source</TT> to be transcoded
|
|
* @param err the error status code
|
|
* <TT>U_MEMORY_ALLOCATION_ERROR</TT> will be returned if the
|
|
* the internal process buffer cannot be allocated for transcoding.
|
|
* <TT>U_ILLEGAL_ARGUMENT_ERROR</TT> is returned if the converter is <TT>NULL</TT> or
|
|
* if the source or target string is empty.
|
|
* <TT>U_BUFFER_OVERFLOW_ERROR</TT> when the input buffer is prematurely exhausted and targetSize non-<TT>NULL</TT>.
|
|
* @return the number of UChar needed in target (including the zero terminator)
|
|
* @see ucnv_getNextUChar
|
|
* @see ucnv_toUnicode
|
|
* @see ucnv_convert
|
|
*/
|
|
U_CAPI
|
|
int32_t U_EXPORT2 ucnv_toUChars (const UConverter * converter,
|
|
UChar * target,
|
|
int32_t targetCapacity,
|
|
const char *source,
|
|
int32_t sourceSize,
|
|
UErrorCode * err);
|
|
|
|
/********************************
|
|
* Will convert a codepage buffer one character at a time.
|
|
* This function was written to be efficient when transcoding small amounts of data at a time.
|
|
* In that case it will be more efficient than \Ref{ucnv_toUnicode}.
|
|
* When converting large buffers use \Ref{ucnv_toUnicode}.
|
|
*@param converter an open UConverter
|
|
*@param source the address of a pointer to the codepage buffer, will be updated to point after
|
|
*the bytes consumed in the conversion call.
|
|
*@param points to the end of the input buffer
|
|
*@param err fills in error status (see ucnv_toUnicode)
|
|
*@return a UChar resulting from the partial conversion of source
|
|
*@see ucnv_toUnicode
|
|
*@see ucnv_toUChars
|
|
*@see ucnv_convert
|
|
*/
|
|
U_CAPI
|
|
UChar U_EXPORT2 ucnv_getNextUChar (UConverter * converter,
|
|
const char **source,
|
|
const char *sourceLimit,
|
|
UErrorCode * err);
|
|
|
|
|
|
/**************************
|
|
* Will convert a sequence of bytes from one codepage to another.
|
|
* This is <STRONG>NOT AN EFFICIENT</STRONG> way to transcode.
|
|
* use \Ref{ucnv_toUnicode} and \Ref{ucnv_fromUnicode} for efficiency
|
|
* @param toConverterName: The name of the converter that will be used to encode the output buffer
|
|
* @param fromConverterName: The name of the converter that will be used to decode the input buffer
|
|
* @param target: Pointer to the output buffer to write to
|
|
* @param targetCapacity: on input contains the capacity of target
|
|
* @param source: Pointer to the input buffer
|
|
* @param sourceLength: on input contains the capacity of source
|
|
* @param err: fills in an error status
|
|
* @return will be filled in with the number of bytes needed in target
|
|
* @see ucnv_fromUnicode
|
|
* @see ucnv_toUnicode
|
|
* @see ucnv_fromUChars
|
|
* @see ucnv_toUChars
|
|
* @see ucnv_getNextUChar
|
|
*/
|
|
U_CAPI
|
|
int32_t U_EXPORT2 ucnv_convert (const char *toConverterName,
|
|
const char *fromConverterName,
|
|
char *target,
|
|
int32_t targetCapacity,
|
|
const char *source,
|
|
int32_t sourceLength,
|
|
UErrorCode * err);
|
|
|
|
/**
|
|
* SYSTEM API
|
|
* Iterates through every cached converter and frees all the unused ones.
|
|
*
|
|
* @return the number of cached converters successfully deleted
|
|
*/
|
|
U_CAPI int32_t U_EXPORT2 ucnv_flushCache (void);
|
|
|
|
|
|
/**
|
|
* provides a string containing the internal name (based on the alias file) of the converter.
|
|
* given an index.
|
|
* @param index the number of converters available on the system (<TT>[0..ucnv_countAvaiable()]</TT>)
|
|
* @return a pointer a string (library owned), or <TT>NULL</TT> if the index is out of bounds.
|
|
* @see ucnv_countAvailable
|
|
*/
|
|
U_CAPI
|
|
const char * U_EXPORT2 ucnv_getAvailableName (int32_t index);
|
|
|
|
/**
|
|
* returns the number of available converters.
|
|
*
|
|
* @return the number of available converters
|
|
* @see ucnv_getAvailableName
|
|
*/
|
|
U_CAPI int32_t U_EXPORT2 ucnv_countAvailable (void);
|
|
|
|
/**
|
|
* returns the current default converter name.
|
|
*
|
|
* @return returns the current default converter name
|
|
* @see ucnv_setDefaultName
|
|
*/
|
|
U_CAPI const char * U_EXPORT2 ucnv_getDefaultName (void);
|
|
|
|
/**
|
|
* sets the current default converter name.
|
|
* The lifetime of the return ptr is that of the library
|
|
* @param name: the converter name you want as default (has to appear in alias file)
|
|
* @see ucnv_getDefaultName
|
|
*
|
|
*/
|
|
U_CAPI void U_EXPORT2 ucnv_setDefaultName (const char *name);
|
|
|
|
|
|
#endif
|
|
/*_UCNV*/
|