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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 1998-2016, International Business Machines Corporation
* and others. All Rights Reserved.
**********************************************************************
*
* File uwmsg.c
*
* Modification History:
*
* Date Name Description
* 06/14/99 stephen Creation.
*******************************************************************************
*/
#include "unicode/ucnv.h"
#include "unicode/ustring.h"
#include "unicode/umsg.h"
#include "unicode/uwmsg.h"
#include "unicode/ures.h"
#include "unicode/putil.h"
#include "cmemory.h"
#include "cstring.h"
#include <stdbool.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#define BUF_SIZE 128
/* Print a ustring to the specified FILE* in the default codepage */
static void
uprint(const UChar *s,
int32_t sourceLen,
FILE *f,
UErrorCode *status)
{
/* converter */
UConverter *converter;
char buf [BUF_SIZE];
const UChar *mySource;
const UChar *mySourceEnd;
char *myTarget;
int32_t arraySize;
if(s == 0) return;
/* set up the conversion parameters */
mySource = s;
mySourceEnd = mySource + sourceLen;
myTarget = buf;
arraySize = BUF_SIZE;
/* open a default converter */
converter = ucnv_open(0, status);
/* if we failed, clean up and exit */
if(U_FAILURE(*status)) goto finish;
/* perform the conversion */
do {
/* reset the error code */
*status = U_ZERO_ERROR;
/* perform the conversion */
ucnv_fromUnicode(converter, &myTarget, myTarget + arraySize,
&mySource, mySourceEnd, NULL,
true, status);
/* Write the converted data to the FILE* */
fwrite(buf, sizeof(char), myTarget - buf, f);
/* update the conversion parameters*/
myTarget = buf;
arraySize = BUF_SIZE;
}
while(*status == U_BUFFER_OVERFLOW_ERROR);
finish:
/* close the converter */
ucnv_close(converter);
}
static UResourceBundle *gBundle = NULL;
U_STRING_DECL(gNoFormatting, " (UCONFIG_NO_FORMATTING see uconfig.h)", 38);
U_CFUNC UResourceBundle *u_wmsg_setPath(const char *path, UErrorCode *err)
{
if(U_FAILURE(*err))
{
return 0;
}
if(gBundle != NULL)
{
*err = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
else
{
UResourceBundle *b = NULL;
b = ures_open(path, NULL, err);
if(U_FAILURE(*err))
{
return 0;
}
gBundle = b;
U_STRING_INIT(gNoFormatting, " (UCONFIG_NO_FORMATTING see uconfig.h)", 38);
}
return gBundle;
}
/* Format a message and print it's output to fp */
U_CFUNC int u_wmsg(FILE *fp, const char *tag, ... )
{
const UChar *msg;
int32_t msgLen;
UErrorCode err = U_ZERO_ERROR;
#if !UCONFIG_NO_FORMATTING
va_list ap;
#endif
UChar result[4096];
int32_t resultLength = UPRV_LENGTHOF(result);
if(gBundle == NULL)
{
#if 0
fprintf(stderr, "u_wmsg: No path set!!\n"); /* FIXME: codepage?? */
#endif
return -1;
}
msg = ures_getStringByKey(gBundle, tag, &msgLen, &err);
if(U_FAILURE(err))
{
return -1;
}
#if UCONFIG_NO_FORMATTING
resultLength = UPRV_LENGTHOF(gNoFormatting);
if((msgLen + resultLength) <= UPRV_LENGTHOF(result)) {
memcpy(result, msg, msgLen * U_SIZEOF_UCHAR);
memcpy(result + msgLen, gNoFormatting, resultLength);
resultLength += msgLen;
uprint(result, resultLength, fp, &err);
} else {
uprint(msg,msgLen, fp, &err);
}
#else
(void)gNoFormatting; // suppress -Wunused-variable
va_start(ap, tag);
resultLength = u_vformatMessage(uloc_getDefault(), msg, msgLen, result, resultLength, ap, &err);
va_end(ap);
if(U_FAILURE(err))
{
#if 0
fprintf(stderr, "u_wmsg: failed to format %s:%s, err %s\n",
uloc_getDefault(),
tag,
u_errorName(err));
#endif
err = U_ZERO_ERROR;
uprint(msg,msgLen, fp, &err);
return -1;
}
uprint(result, resultLength, fp, &err);
#endif
if(U_FAILURE(err))
{
#if 0
fprintf(stderr, "u_wmsg: failed to print %s: %s, err %s\n",
uloc_getDefault(),
tag,
u_errorName(err));
#endif
return -1;
}
return 0;
}
/* these will break if the # of messages change. simply add or remove 0's .. */
UChar **gInfoMessages = NULL;
UChar **gErrMessages = NULL;
static const UChar *fetchErrorName(UErrorCode err)
{
if (!gInfoMessages) {
gInfoMessages = (UChar **)malloc((U_ERROR_WARNING_LIMIT-U_ERROR_WARNING_START)*sizeof(UChar*));
memset(gInfoMessages, 0, (U_ERROR_WARNING_LIMIT-U_ERROR_WARNING_START)*sizeof(UChar*));
}
if (!gErrMessages) {
gErrMessages = (UChar **)malloc(U_ERROR_LIMIT*sizeof(UChar*));
memset(gErrMessages, 0, U_ERROR_LIMIT*sizeof(UChar*));
}
if(err>=0)
return gErrMessages[err];
else
return gInfoMessages[err-U_ERROR_WARNING_START];
}
U_CFUNC const UChar *u_wmsg_errorName(UErrorCode err)
{
UChar *msg;
int32_t msgLen;
UErrorCode subErr = U_ZERO_ERROR;
const char *textMsg = NULL;
/* try the cache */
msg = (UChar*)fetchErrorName(err);
if(msg)
{
return msg;
}
if(gBundle == NULL)
{
msg = NULL;
}
else
{
const char *errname = u_errorName(err);
if (errname) {
msg = (UChar*)ures_getStringByKey(gBundle, errname, &msgLen, &subErr);
if(U_FAILURE(subErr))
{
msg = NULL;
}
}
}
if(msg == NULL) /* Couldn't find it anywhere.. */
{
char error[128];
textMsg = u_errorName(err);
if (!textMsg) {
sprintf(error, "UNDOCUMENTED ICU ERROR %d", err);
textMsg = error;
}
msg = (UChar*)malloc((strlen(textMsg)+1)*sizeof(msg[0]));
u_charsToUChars(textMsg, msg, (int32_t)(strlen(textMsg)+1));
}
if(err>=0)
gErrMessages[err] = msg;
else
gInfoMessages[err-U_ERROR_WARNING_START] = msg;
return msg;
}
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