summaryrefslogtreecommitdiffstats
path: root/intl/icu/source/io/uprintf.cpp
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/io/uprintf.cpp
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/io/uprintf.cpp')
-rw-r--r--intl/icu/source/io/uprintf.cpp219
1 files changed, 219 insertions, 0 deletions
diff --git a/intl/icu/source/io/uprintf.cpp b/intl/icu/source/io/uprintf.cpp
new file mode 100644
index 0000000000..7effa61993
--- /dev/null
+++ b/intl/icu/source/io/uprintf.cpp
@@ -0,0 +1,219 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+******************************************************************************
+*
+* Copyright (C) 1998-2014, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+******************************************************************************
+*
+* File uprintf.cpp
+*
+* Modification History:
+*
+* Date Name Description
+* 11/19/98 stephen Creation.
+* 03/12/99 stephen Modified for new C API.
+* Added conversion from default codepage.
+* 08/07/2003 george Reunify printf implementations
+******************************************************************************
+*/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_CONVERSION
+
+#include "unicode/ustdio.h"
+#include "unicode/ustring.h"
+#include "unicode/unum.h"
+#include "unicode/udat.h"
+#include "unicode/putil.h"
+
+#include "cmemory.h"
+#include "locbund.h"
+#include "mutex.h"
+#include "uassert.h"
+#include "uprintf.h"
+#include "ufile.h"
+#include "ucln_io.h"
+
+U_NAMESPACE_USE
+
+static UFILE *gStdOut = nullptr;
+static UInitOnce gStdOutInitOnce {};
+
+static UBool U_CALLCONV uprintf_cleanup()
+{
+ if (gStdOut != nullptr) {
+ u_fclose(gStdOut);
+ gStdOut = nullptr;
+ }
+ gStdOutInitOnce.reset();
+ return true;
+}
+
+static void U_CALLCONV u_stdout_init() {
+ U_ASSERT(gStdOut == nullptr);
+ gStdOut = u_finit(stdout, nullptr, nullptr);
+ ucln_io_registerCleanup(UCLN_IO_PRINTF, &uprintf_cleanup);
+}
+
+U_CAPI UFILE * U_EXPORT2
+u_get_stdout()
+{
+ umtx_initOnce(gStdOutInitOnce, &u_stdout_init);
+ return gStdOut;
+}
+
+static int32_t U_EXPORT2
+u_printf_write(void *context,
+ const char16_t *str,
+ int32_t count)
+{
+ return u_file_write(str, count, (UFILE *)context);
+}
+
+static int32_t
+u_printf_pad_and_justify(void *context,
+ const u_printf_spec_info *info,
+ const char16_t *result,
+ int32_t resultLen)
+{
+ UFILE *output = (UFILE *)context;
+ int32_t written, i;
+
+ /* pad and justify, if needed */
+ if(info->fWidth != -1 && resultLen < info->fWidth) {
+ /* left justify */
+ if(info->fLeft) {
+ written = u_file_write(result, resultLen, output);
+ for(i = 0; i < info->fWidth - resultLen; ++i) {
+ written += u_file_write(&info->fPadChar, 1, output);
+ }
+ }
+ /* right justify */
+ else {
+ written = 0;
+ for(i = 0; i < info->fWidth - resultLen; ++i) {
+ written += u_file_write(&info->fPadChar, 1, output);
+ }
+ written += u_file_write(result, resultLen, output);
+ }
+ }
+ /* just write the formatted output */
+ else {
+ written = u_file_write(result, resultLen, output);
+ }
+
+ return written;
+}
+
+U_CAPI int32_t U_EXPORT2
+u_fprintf( UFILE *f,
+ const char *patternSpecification,
+ ... )
+{
+ va_list ap;
+ int32_t count;
+
+ va_start(ap, patternSpecification);
+ count = u_vfprintf(f, patternSpecification, ap);
+ va_end(ap);
+
+ return count;
+}
+
+U_CAPI int32_t U_EXPORT2
+u_printf(const char *patternSpecification,
+ ...)
+{
+ va_list ap;
+ int32_t count;
+ va_start(ap, patternSpecification);
+ count = u_vfprintf(u_get_stdout(), patternSpecification, ap);
+ va_end(ap);
+ return count;
+}
+
+U_CAPI int32_t U_EXPORT2
+u_fprintf_u( UFILE *f,
+ const char16_t *patternSpecification,
+ ... )
+{
+ va_list ap;
+ int32_t count;
+
+ va_start(ap, patternSpecification);
+ count = u_vfprintf_u(f, patternSpecification, ap);
+ va_end(ap);
+
+ return count;
+}
+
+U_CAPI int32_t U_EXPORT2
+u_printf_u(const char16_t *patternSpecification,
+ ...)
+{
+ va_list ap;
+ int32_t count;
+ va_start(ap, patternSpecification);
+ count = u_vfprintf_u(u_get_stdout(), patternSpecification, ap);
+ va_end(ap);
+ return count;
+}
+
+U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
+u_vfprintf( UFILE *f,
+ const char *patternSpecification,
+ va_list ap)
+{
+ int32_t count;
+ char16_t *pattern;
+ char16_t buffer[UFMT_DEFAULT_BUFFER_SIZE];
+ size_t size = strlen(patternSpecification) + 1;
+
+ /* convert from the default codepage to Unicode */
+ if (size >= MAX_UCHAR_BUFFER_SIZE(buffer)) {
+ pattern = (char16_t *)uprv_malloc(size * sizeof(char16_t));
+ if(pattern == 0) {
+ return 0;
+ }
+ }
+ else {
+ pattern = buffer;
+ }
+ u_charsToUChars(patternSpecification, pattern, static_cast<int32_t>(size));
+
+ /* do the work */
+ count = u_vfprintf_u(f, pattern, ap);
+
+ /* clean up */
+ if (pattern != buffer) {
+ uprv_free(pattern);
+ }
+
+ return count;
+}
+
+static const u_printf_stream_handler g_stream_handler = {
+ u_printf_write,
+ u_printf_pad_and_justify
+};
+
+U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
+u_vfprintf_u( UFILE *f,
+ const char16_t *patternSpecification,
+ va_list ap)
+{
+ int32_t written = 0; /* haven't written anything yet */
+
+ /* parse and print the whole format string */
+ u_printf_parse(&g_stream_handler, patternSpecification, f, nullptr, &f->str.fBundle, &written, ap);
+
+ /* return # of UChars written */
+ return written;
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */
+