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ðŸ“„ appendable.h(8.43 KB)
ðŸ“„ basictz.h(8.84 KB)
ðŸ“„ brkiter.h(27.64 KB)
ðŸ“„ bytestream.h(9.54 KB)
ðŸ“„ bytestrie.h(19.26 KB)
ðŸ“„ bytestriebuilder.h(7.02 KB)
ðŸ“„ calendar.h(105.06 KB)
ðŸ“„ caniter.h(7.37 KB)
ðŸ“„ casemap.h(25.26 KB)
ðŸ“„ char16ptr.h(7.16 KB)
ðŸ“„ chariter.h(24 KB)
ðŸ“„ choicfmt.h(23.85 KB)
ðŸ“„ coleitr.h(13.7 KB)
ðŸ“„ coll.h(55.59 KB)
ðŸ“„ compactdecimalformat.h(6.81 KB)
ðŸ“„ curramt.h(3.69 KB)
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ðŸ“„ currunit.h(3.99 KB)
ðŸ“„ datefmt.h(40.37 KB)
ðŸ“„ dbbi.h(1.11 KB)
ðŸ“„ dcfmtsym.h(20.1 KB)
ðŸ“„ decimfmt.h(87.82 KB)
ðŸ“„ docmain.h(6.96 KB)
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ðŸ“„ edits.h(20.67 KB)
ðŸ“„ enumset.h(2.08 KB)
ðŸ“„ errorcode.h(4.78 KB)
ðŸ“„ fieldpos.h(8.63 KB)
ðŸ“„ filteredbrk.h(5.24 KB)
ðŸ“„ fmtable.h(24.36 KB)
ðŸ“„ format.h(12.44 KB)
ðŸ“„ formattedvalue.h(9.73 KB)
ðŸ“„ fpositer.h(2.98 KB)
ðŸ“„ gender.h(3.27 KB)
ðŸ“„ gregocal.h(31.57 KB)
ðŸ“„ icudataver.h(1.03 KB)
ðŸ“„ icuplug.h(11.88 KB)
ðŸ“„ idna.h(12.63 KB)
ðŸ“„ listformatter.h(9.42 KB)
ðŸ“„ localebuilder.h(10.54 KB)
ðŸ“„ localpointer.h(19.69 KB)
ðŸ“„ locdspnm.h(7.06 KB)
ðŸ“„ locid.h(44.94 KB)
ðŸ“„ measfmt.h(11.44 KB)
ðŸ“„ measunit.h(88.17 KB)
ðŸ“„ measure.h(4.26 KB)
ðŸ“„ messagepattern.h(33.65 KB)
ðŸ“„ msgfmt.h(44.04 KB)
ðŸ“„ normalizer2.h(33.97 KB)
ðŸ“„ normlzr.h(30.74 KB)
ðŸ“„ nounit.h(2.63 KB)
ðŸ“„ numberformatter.h(84.62 KB)
ðŸ“„ numberrangeformatter.h(29.93 KB)
ðŸ“„ numfmt.h(49.35 KB)
ðŸ“„ numsys.h(7.13 KB)
ðŸ“„ parseerr.h(3.08 KB)
ðŸ“„ parsepos.h(5.5 KB)
ðŸ“„ platform.h(27.1 KB)
ðŸ“„ plurfmt.h(25.18 KB)
ðŸ“„ plurrule.h(18.33 KB)
ðŸ“„ ptypes.h(3.49 KB)
ðŸ“„ putil.h(6.33 KB)
ðŸ“„ rbbi.h(26.42 KB)
ðŸ“„ rbnf.h(49.79 KB)
ðŸ“„ rbtz.h(15.47 KB)
ðŸ“„ regex.h(84.3 KB)
ðŸ“„ region.h(9.12 KB)
ðŸ“„ reldatefmt.h(22.37 KB)
ðŸ“„ rep.h(9.5 KB)
ðŸ“„ resbund.h(18.01 KB)
ðŸ“„ schriter.h(6.26 KB)
ðŸ“„ scientificnumberformatter.h(6.32 KB)
ðŸ“„ search.h(22.21 KB)
ðŸ“„ selfmt.h(14.24 KB)
ðŸ“„ simpleformatter.h(12.53 KB)
ðŸ“„ simpletz.h(45.3 KB)
ðŸ“„ smpdtfmt.h(70.9 KB)
ðŸ“„ sortkey.h(11.12 KB)
ðŸ“„ std_string.h(1015 B)
ðŸ“„ strenum.h(10.04 KB)
ðŸ“„ stringoptions.h(5.79 KB)
ðŸ“„ stringpiece.h(6.46 KB)
ðŸ“„ stringtriebuilder.h(15.27 KB)
ðŸ“„ stsearch.h(21.29 KB)
ðŸ“„ symtable.h(4.21 KB)
ðŸ“„ tblcoll.h(36.4 KB)
ðŸ“„ timezone.h(41.2 KB)
ðŸ“„ tmunit.h(3.29 KB)
ðŸ“„ tmutamt.h(4.8 KB)
ðŸ“„ tmutfmt.h(7.79 KB)
ðŸ“„ translit.h(65.76 KB)
ðŸ“„ tzfmt.h(42.82 KB)
ðŸ“„ tznames.h(16.79 KB)
ðŸ“„ tzrule.h(35.32 KB)
ðŸ“„ tztrans.h(6.07 KB)
ðŸ“„ ubidi.h(89.56 KB)
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ðŸ“„ ubrk.h(23.97 KB)
ðŸ“„ ucal.h(55.54 KB)
ðŸ“„ ucasemap.h(15.18 KB)
ðŸ“„ ucat.h(5.36 KB)
ðŸ“„ uchar.h(140.66 KB)
ðŸ“„ ucharstrie.h(21.06 KB)
ðŸ“„ ucharstriebuilder.h(7.14 KB)
ðŸ“„ uchriter.h(13.14 KB)
ðŸ“„ uclean.h(11.21 KB)
ðŸ“„ ucnv.h(83.09 KB)
ðŸ“„ ucnv_cb.h(6.59 KB)
ðŸ“„ ucnv_err.h(20.99 KB)
ðŸ“„ ucnvsel.h(6.14 KB)
ðŸ“„ ucol.h(61.39 KB)
ðŸ“„ ucoleitr.h(9.46 KB)
ðŸ“„ uconfig.h(12.05 KB)
ðŸ“„ ucpmap.h(5.58 KB)
ðŸ“„ ucptrie.h(22.29 KB)
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ðŸ“„ udat.h(60.81 KB)
ðŸ“„ udata.h(15.53 KB)
ðŸ“„ udateintervalformat.h(10.03 KB)
ðŸ“„ udatpg.h(25.94 KB)
ðŸ“„ udisplaycontext.h(5.89 KB)
ðŸ“„ uenum.h(7.78 KB)
ðŸ“„ ufieldpositer.h(4.36 KB)
ðŸ“„ uformattable.h(10.94 KB)
ðŸ“„ uformattedvalue.h(12.14 KB)
ðŸ“„ ugender.h(2 KB)
ðŸ“„ uidna.h(33.37 KB)
ðŸ“„ uiter.h(22.77 KB)
ðŸ“„ uldnames.h(10.45 KB)
ðŸ“„ ulistformatter.h(8.83 KB)
ðŸ“„ uloc.h(50.75 KB)
ðŸ“„ ulocdata.h(11.26 KB)
ðŸ“„ umachine.h(13.19 KB)
ðŸ“„ umisc.h(1.33 KB)
ðŸ“„ umsg.h(24.23 KB)
ðŸ“„ umutablecptrie.h(8.28 KB)
ðŸ“„ unifilt.h(3.63 KB)
ðŸ“„ unifunct.h(3.98 KB)
ðŸ“„ unimatch.h(6.04 KB)
ðŸ“„ unirepl.h(3.32 KB)
ðŸ“„ uniset.h(64.88 KB)
ðŸ“„ unistr.h(170.39 KB)
ðŸ“„ unorm.h(20.45 KB)
ðŸ“„ unorm2.h(24.66 KB)
ðŸ“„ unum.h(53.55 KB)
ðŸ“„ unumberformatter.h(25.19 KB)
ðŸ“„ unumsys.h(7.21 KB)
ðŸ“„ uobject.h(10.85 KB)
ðŸ“„ upluralrules.h(7.88 KB)
ðŸ“„ uregex.h(72.05 KB)
ðŸ“„ uregion.h(9.84 KB)
ðŸ“„ ureldatefmt.h(17.26 KB)
ðŸ“„ urename.h(131.4 KB)
ðŸ“„ urep.h(5.38 KB)
ðŸ“„ ures.h(36.54 KB)
ðŸ“„ uscript.h(26.87 KB)
ðŸ“„ usearch.h(38.12 KB)
ðŸ“„ uset.h(40 KB)
ðŸ“„ usetiter.h(9.49 KB)
ðŸ“„ ushape.h(18 KB)
ðŸ“„ uspoof.h(66.03 KB)
ðŸ“„ usprep.h(8.14 KB)
ðŸ“„ ustdio.h(38.54 KB)
ðŸ“„ ustream.h(1.8 KB)
ðŸ“„ ustring.h(72.47 KB)
ðŸ“„ ustringtrie.h(3.15 KB)
ðŸ“„ utext.h(58.11 KB)
ðŸ“„ utf.h(7.86 KB)
ðŸ“„ utf16.h(22.33 KB)
ðŸ“„ utf32.h(763 B)
ðŸ“„ utf8.h(29.96 KB)
ðŸ“„ utf_old.h(43.78 KB)
ðŸ“„ utmscale.h(13.78 KB)
ðŸ“„ utrace.h(13.89 KB)
ðŸ“„ utrans.h(25.54 KB)
ðŸ“„ utypes.h(30.38 KB)
ðŸ“„ uvernum.h(6.67 KB)
ðŸ“„ uversion.h(6.7 KB)
ðŸ“„ vtzone.h(20.17 KB)

Editing: utrace.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 2003-2013, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  utrace.h
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 2003aug06
*   created by: Markus W. Scherer
*
*   Definitions for ICU tracing/logging.
*
*/

#ifndef __UTRACE_H__
#define __UTRACE_H__

#include <stdarg.h>
#include "unicode/utypes.h"

/**
 * \file
 * \brief C API:  Definitions for ICU tracing/logging. 
 *
 * This provides API for debugging the internals of ICU without the use of
 * a traditional debugger.
 *
 * By default, tracing is disabled in ICU. If you need to debug ICU with 
 * tracing, please compile ICU with the --enable-tracing configure option.
 */
 
U_CDECL_BEGIN

/**
 * Trace severity levels.  Higher levels increase the verbosity of the trace output.
 * @see utrace_setLevel
 * @stable ICU 2.8
 */
typedef enum UTraceLevel {
    /** Disable all tracing  @stable ICU 2.8*/
    UTRACE_OFF=-1,
    /** Trace error conditions only  @stable ICU 2.8*/
    UTRACE_ERROR=0,
    /** Trace errors and warnings  @stable ICU 2.8*/
    UTRACE_WARNING=3,
    /** Trace opens and closes of ICU services  @stable ICU 2.8*/
    UTRACE_OPEN_CLOSE=5,
    /** Trace an intermediate number of ICU operations  @stable ICU 2.8*/
    UTRACE_INFO=7,
    /** Trace the maximum number of ICU operations  @stable ICU 2.8*/
    UTRACE_VERBOSE=9
} UTraceLevel;

/**
 *  These are the ICU functions that will be traced when tracing is enabled.
 *  @stable ICU 2.8
 */
typedef enum UTraceFunctionNumber {
    UTRACE_FUNCTION_START=0,
    UTRACE_U_INIT=UTRACE_FUNCTION_START,
    UTRACE_U_CLEANUP,
#ifndef U_HIDE_DEPRECATED_API
    /**
     * One more than the highest normal collation trace location.
     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
     */
    UTRACE_FUNCTION_LIMIT,
#endif  // U_HIDE_DEPRECATED_API

UTRACE_CONVERSION_START=0x1000,
    UTRACE_UCNV_OPEN=UTRACE_CONVERSION_START,
    UTRACE_UCNV_OPEN_PACKAGE,
    UTRACE_UCNV_OPEN_ALGORITHMIC,
    UTRACE_UCNV_CLONE,
    UTRACE_UCNV_CLOSE,
    UTRACE_UCNV_FLUSH_CACHE,
    UTRACE_UCNV_LOAD,
    UTRACE_UCNV_UNLOAD,
#ifndef U_HIDE_DEPRECATED_API
    /**
     * One more than the highest normal collation trace location.
     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
     */
    UTRACE_CONVERSION_LIMIT,
#endif  // U_HIDE_DEPRECATED_API

UTRACE_COLLATION_START=0x2000,
    UTRACE_UCOL_OPEN=UTRACE_COLLATION_START,
    UTRACE_UCOL_CLOSE,
    UTRACE_UCOL_STRCOLL,
    UTRACE_UCOL_GET_SORTKEY,
    UTRACE_UCOL_GETLOCALE,
    UTRACE_UCOL_NEXTSORTKEYPART,
    UTRACE_UCOL_STRCOLLITER,
    UTRACE_UCOL_OPEN_FROM_SHORT_STRING,
    UTRACE_UCOL_STRCOLLUTF8, /**< @stable ICU 50 */
#ifndef U_HIDE_DEPRECATED_API
    /**
     * One more than the highest normal collation trace location.
     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
     */
    UTRACE_COLLATION_LIMIT
#endif  // U_HIDE_DEPRECATED_API
} UTraceFunctionNumber;

/**
 * Setter for the trace level.
 * @param traceLevel A UTraceLevel value.
 * @stable ICU 2.8
 */
U_STABLE void U_EXPORT2
utrace_setLevel(int32_t traceLevel);

/**
 * Getter for the trace level.
 * @return The UTraceLevel value being used by ICU.
 * @stable ICU 2.8
 */
U_STABLE int32_t U_EXPORT2
utrace_getLevel(void);

/* Trace function pointers types  ----------------------------- */

/**
  *  Type signature for the trace function to be called when entering a function.
  *  @param context value supplied at the time the trace functions are set.
  *  @param fnNumber Enum value indicating the ICU function being entered.
  *  @stable ICU 2.8
  */
typedef void U_CALLCONV
UTraceEntry(const void *context, int32_t fnNumber);

/**
  *  Type signature for the trace function to be called when exiting from a function.
  *  @param context value supplied at the time the trace functions are set.
  *  @param fnNumber Enum value indicating the ICU function being exited.
  *  @param fmt     A formatting string that describes the number and types
  *                 of arguments included with the variable args.  The fmt
  *                 string has the same form as the utrace_vformat format
  *                 string.
  *  @param args    A variable arguments list.  Contents are described by
  *                 the fmt parameter.
  *  @see   utrace_vformat
  *  @stable ICU 2.8
  */
typedef void U_CALLCONV
UTraceExit(const void *context, int32_t fnNumber, 
           const char *fmt, va_list args);

/**
  *  Type signature for the trace function to be called from within an ICU function
  *  to display data or messages.
  *  @param context  value supplied at the time the trace functions are set.
  *  @param fnNumber Enum value indicating the ICU function being exited.
  *  @param level    The current tracing level
  *  @param fmt      A format string describing the tracing data that is supplied
  *                  as variable args
  *  @param args     The data being traced, passed as variable args.
  *  @stable ICU 2.8
  */
typedef void U_CALLCONV
UTraceData(const void *context, int32_t fnNumber, int32_t level,
           const char *fmt, va_list args);

/**
  *  Set ICU Tracing functions.  Installs application-provided tracing
  *  functions into ICU.  After doing this, subsequent ICU operations
  *  will call back to the installed functions, providing a trace
  *  of the use of ICU.  Passing a NULL pointer for a tracing function
  *  is allowed, and inhibits tracing action at points where that function
  *  would be called.
  *  <p>
  *  Tracing and Threads:  Tracing functions are global to a process, and
  *  will be called in response to ICU operations performed by any
  *  thread.  If tracing of an individual thread is desired, the
  *  tracing functions must themselves filter by checking that the
  *  current thread is the desired thread.
  *
  *  @param context an uninterpreted pointer.  Whatever is passed in
  *                 here will in turn be passed to each of the tracing
  *                 functions UTraceEntry, UTraceExit and UTraceData.
  *                 ICU does not use or alter this pointer.
  *  @param e       Callback function to be called on entry to a 
  *                 a traced ICU function.
  *  @param x       Callback function to be called on exit from a
  *                 traced ICU function.
  *  @param d       Callback function to be called from within a 
  *                 traced ICU function, for the purpose of providing
  *                 data to the trace.
  *
  *  @stable ICU 2.8
  */
U_STABLE void U_EXPORT2
utrace_setFunctions(const void *context,
                    UTraceEntry *e, UTraceExit *x, UTraceData *d);

/**
  * Get the currently installed ICU tracing functions.   Note that a null function
  *   pointer will be returned if no trace function has been set.
  *
  * @param context  The currently installed tracing context.
  * @param e        The currently installed UTraceEntry function.
  * @param x        The currently installed UTraceExit function.
  * @param d        The currently installed UTraceData function.
  * @stable ICU 2.8
  */
U_STABLE void U_EXPORT2
utrace_getFunctions(const void **context,
                    UTraceEntry **e, UTraceExit **x, UTraceData **d);

/*
 *
 * ICU trace format string syntax
 *
 * Format Strings are passed to UTraceData functions, and define the
 * number and types of the trace data being passed on each call.
 *
 * The UTraceData function, which is supplied by the application,
 * not by ICU, can either forward the trace data (passed via
 * varargs) and the format string back to ICU for formatting into
 * a displayable string, or it can interpret the format itself,
 * and do as it wishes with the trace data.
 *
 *
 * Goals for the format string
 * - basic data output
 * - easy to use for trace programmer
 * - sufficient provision for data types for trace output readability
 * - well-defined types and binary portable APIs
 *
 * Non-goals
 * - printf compatibility
 * - fancy formatting
 * - argument reordering and other internationalization features
 *
 * ICU trace format strings contain plain text with argument inserts,
 * much like standard printf format strings.
 * Each insert begins with a '%', then optionally contains a 'v',
 * then exactly one type character.
 * Two '%' in a row represent a '%' instead of an insert.
 * The trace format strings need not have \n at the end.
 *
 *
 * Types
 * -----
 *
 * Type characters:
 * - c A char character in the default codepage.
 * - s A NUL-terminated char * string in the default codepage.
 * - S A UChar * string.  Requires two params, (ptr, length).  Length=-1 for nul term.
 * - b A byte (8-bit integer).
 * - h A 16-bit integer.  Also a 16 bit Unicode code unit.
 * - d A 32-bit integer.  Also a 20 bit Unicode code point value. 
 * - l A 64-bit integer.
 * - p A data pointer.
 *
 * Vectors
 * -------
 *
 * If the 'v' is not specified, then one item of the specified type
 * is passed in.
 * If the 'v' (for "vector") is specified, then a vector of items of the
 * specified type is passed in, via a pointer to the first item
 * and an int32_t value for the length of the vector.
 * Length==-1 means zero or NUL termination.  Works for vectors of all types.
 *
 * Note:  %vS is a vector of (UChar *) strings.  The strings must
 *        be nul terminated as there is no way to provide a
 *        separate length parameter for each string.  The length
 *        parameter (required for all vectors) is the number of
 *        strings, not the length of the strings.
 *
 * Examples
 * --------
 *
 * These examples show the parameters that will be passed to an application's
 *   UTraceData() function for various formats.
 *
 * - the precise formatting is up to the application!
 * - the examples use type casts for arguments only to _show_ the types of
 *   arguments without needing variable declarations in the examples;
 *   the type casts will not be necessary in actual code
 *
 * UTraceDataFunc(context, fnNumber, level,
 *              "There is a character %c in the string %s.",   // Format String 
 *              (char)c, (const char *)s);                     // varargs parameters
 * ->   There is a character 0x42 'B' in the string "Bravo".
 *
 * UTraceDataFunc(context, fnNumber, level,
 *              "Vector of bytes %vb vector of chars %vc",
 *              (const uint8_t *)bytes, (int32_t)bytesLength,
 *              (const char *)chars, (int32_t)charsLength);
 * ->  Vector of bytes
 *      42 63 64 3f [4]
 *     vector of chars
 *      "Bcd?"[4]
 *
 * UTraceDataFunc(context, fnNumber, level,
 *              "An int32_t %d and a whole bunch of them %vd",
 *              (int32_t)-5, (const int32_t *)ints, (int32_t)intsLength);
 * ->   An int32_t 0xfffffffb and a whole bunch of them
 *      fffffffb 00000005 0000010a [3]
 *
 */

/**
  *  Trace output Formatter.  An application's UTraceData tracing functions may call
  *                 back to this function to format the trace output in a
  *                 human readable form.  Note that a UTraceData function may choose
  *                 to not format the data;  it could, for example, save it in
  *                 in the raw form it was received (more compact), leaving
  *                 formatting for a later trace analysis tool.
  *  @param outBuf  pointer to a buffer to receive the formatted output.  Output
  *                 will be nul terminated if there is space in the buffer -
  *                 if the length of the requested output < the output buffer size.
  *  @param capacity  Length of the output buffer.
  *  @param indent  Number of spaces to indent the output.  Intended to allow
  *                 data displayed from nested functions to be indented for readability.
  *  @param fmt     Format specification for the data to output
  *  @param args    Data to be formatted.
  *  @return        Length of formatted output, including the terminating NUL.
  *                 If buffer capacity is insufficient, the required capacity is returned. 
  *  @stable ICU 2.8
  */
U_STABLE int32_t U_EXPORT2
utrace_vformat(char *outBuf, int32_t capacity,
              int32_t indent, const char *fmt,  va_list args);

/**
  *  Trace output Formatter.  An application's UTraceData tracing functions may call
  *                 this function to format any additional trace data, beyond that
  *                 provided by default, in human readable form with the same
  *                 formatting conventions used by utrace_vformat().
  *  @param outBuf  pointer to a buffer to receive the formatted output.  Output
  *                 will be nul terminated if there is space in the buffer -
  *                 if the length of the requested output < the output buffer size.
  *  @param capacity  Length of the output buffer.
  *  @param indent  Number of spaces to indent the output.  Intended to allow
  *                 data displayed from nested functions to be indented for readability.
  *  @param fmt     Format specification for the data to output
  *  @param ...     Data to be formatted.
  *  @return        Length of formatted output, including the terminating NUL.
  *                 If buffer capacity is insufficient, the required capacity is returned. 
  *  @stable ICU 2.8
  */
U_STABLE int32_t U_EXPORT2
utrace_format(char *outBuf, int32_t capacity,
              int32_t indent, const char *fmt,  ...);

/* Trace function numbers --------------------------------------------------- */

/**
 * Get the name of a function from its trace function number.
 *
 * @param fnNumber The trace number for an ICU function.
 * @return The name string for the function.
 *
 * @see UTraceFunctionNumber
 * @stable ICU 2.8
 */
U_STABLE const char * U_EXPORT2
utrace_functionName(int32_t fnNumber);

U_CDECL_END

#endif

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