ICU-22608 Add necessary using statements for namespace icu.

icu4c/source/samples/layout/FontMap.cpp

@@ -23,6 +23,9 @@
 #include "GUISupport.h"
 #include "FontMap.h"
 
+using icu::LEFontInstance;
+using icu::scriptCodeCount;
+
 FontMap::FontMap(const char *fileName, le_int16 pointSize, GUISupport *guiSupport, LEErrorCode &status)
     : fPointSize(pointSize), fFontCount(0), fAscent(0), fDescent(0), fLeading(0), fGUISupport(guiSupport)
 {

icu4c/source/samples/layout/FontMap.h

@@ -18,6 +18,9 @@
 
 #include "GUISupport.h"
 
+using icu::LEFontInstance;
+using icu::scriptCodeCount;
+
 #define BUFFER_SIZE 128
 
 class FontMap

icu4c/source/samples/layout/GnomeFontInstance.cpp

@@ -33,6 +33,8 @@
 #include "sfnt.h"
 #include "cmaps.h"
 
+using icu::LEFontInstance;
+
 GnomeSurface::GnomeSurface(GtkWidget *theWidget)
     : fWidget(theWidget)
 {

icu4c/source/samples/layout/GnomeFontInstance.h

@@ -34,6 +34,8 @@
 #include "FontTableCache.h"
 #include "cmaps.h"
 
+using icu::LEFontInstance;
+
 class GnomeSurface : public RenderingSurface
 {
 public:

icu4c/source/samples/layout/GnomeFontMap.cpp

@@ -21,6 +21,8 @@
 #include "FontMap.h"
 #include "GnomeFontMap.h"
 
+using icu::LEFontInstance;
+
 GnomeFontMap::GnomeFontMap(FT_Library engine, const char *fileName, le_int16 pointSize, GUISupport *guiSupport, LEErrorCode &status)
     : FontMap(fileName, pointSize, guiSupport, status), fEngine(engine)
 {

icu4c/source/samples/layout/GnomeFontMap.h

@@ -23,6 +23,8 @@
 #include "GUISupport.h"
 #include "FontMap.h"
 
+using icu::LEFontInstance;
+
 #define BUFFER_SIZE 128
 
 class GnomeFontMap : public FontMap

icu4c/source/samples/layout/RenderingSurface.h

@@ -23,6 +23,8 @@
 #include "layout/LETypes.h"
 #include "layout/LEFontInstance.h"
 
+using icu::LEFontInstance;
+
 class RenderingSurface
 {
 public:

icu4c/source/samples/layout/ScriptCompositeFontInstance.cpp

@@ -25,6 +25,9 @@
 
 #include "ScriptCompositeFontInstance.h"
 
+using icu::LEFontInstance;
+using icu::scriptCodeCount;
+
 const char ScriptCompositeFontInstance::fgClassID=0;
 
 ScriptCompositeFontInstance::ScriptCompositeFontInstance(FontMap *fontMap)

icu4c/source/samples/layout/ScriptCompositeFontInstance.h

@@ -16,6 +16,8 @@
 
 #include "FontMap.h"
 
+using icu::LEFontInstance;
+
 // U_NAMESPACE_BEGIN
 
 class ScriptCompositeFontInstance : public LEFontInstance

icu4c/source/samples/layout/UnicodeReader.cpp

@@ -21,6 +21,8 @@
 #include "GUISupport.h"
 #include "UnicodeReader.h"
 
+using icu::UnicodeString;
+
 #define BYTE(b) (((int) b) & 0xFF)
 
 /*

icu4c/source/samples/layout/cmaps.cpp

@@ -26,6 +26,8 @@
 #define SWAPU16(code) ((LEUnicode16) SWAPW(code))
 #define SWAPU32(code) ((LEUnicode32) SWAPL(code))
 
+using icu::LESwaps;
+
 //
 // Finds the high bit by binary searching
 // through the bits in value.

icu4c/source/samples/layout/gnomeglue.cpp

@@ -26,6 +26,8 @@
 #include "ScriptCompositeFontInstance.h"
 
 
+using icu::LEFontInstance;
+
 U_CDECL_BEGIN
 
 gs_guiSupport *gs_gnomeGuiSupportOpen()

icu4c/source/samples/layout/rsurface.cpp

@@ -14,6 +14,8 @@
 #include "layout/LEFontInstance.h"
 #include "RenderingSurface.h"
 
+using icu::LEFontInstance;
+
 U_CDECL_BEGIN
 
 void rs_drawGlyphs(rs_surface *surface, const le_font *font, const LEGlyphID *glyphs, le_int32 count,

icu4c/source/samples/translit/answers/main_2.cpp

@@ -18,6 +18,8 @@
 #include "util.h"
 #include "unaccent.h"
 
+using icu::Transliterator;
+
 int main(int argc, char **argv) {
 
     Calendar *cal;

icu4c/source/samples/translit/answers/main_3.cpp

@@ -18,6 +18,8 @@
 #include "util.h"
 #include "unaccent.h"
 
+using icu::Transliterator;
+
 // RuleBasedTransliterator rules to remove accents from characters
 // so they can be displayed as ASCIIx
 UnicodeString UNACCENT_RULES(

icu4c/source/samples/translit/answers/main_4.cpp

@@ -18,6 +18,8 @@
 #include "util.h"
 #include "unaccent.h"
 
+using icu::Transliterator;
+
 // RuleBasedTransliterator rules to remove accents from characters
 // so they can be displayed as ASCIIx
 UnicodeString UNACCENT_RULES(

icu4c/source/samples/translit/answers/unaccent.cpp

@@ -9,6 +9,10 @@
 
 #include "unaccent.h"
 
+using icu::Replaceable;
+using icu::Transliterator;
+using icu::UnicodeString;
+
 /**
  * Constructor
  */

icu4c/source/samples/translit/answers/unaccent.h

@@ -11,6 +11,10 @@
 #include "unicode/translit.h"
 #include "unicode/normlzr.h"
 
+using icu::Normalizer;
+using icu::Replaceable;
+using icu::Transliterator;
+
 class UnaccentTransliterator : public Transliterator {
     
  public:

icu4c/source/test/letest/FontObject.cpp

@@ -13,6 +13,8 @@
 #include "FontObject.h"
 #include "layout/LESwaps.h"
 
+using icu::LESwaps;
+
 FontObject::FontObject(char *fileName)
   : directory(nullptr), numTables(0), searchRange(0),entrySelector(0),
     cmapTable(nullptr), cmSegCount(0), cmSearchRange(0), cmEntrySelector(0),

icu4c/source/test/perf/leperf/FontObject.cpp

@@ -17,6 +17,8 @@
 #include "FontObject.h"
 #include "layout/LESwaps.h"
 
+using icu::LESwaps;
+
 FontObject::FontObject(char *fileName)
   : directory(nullptr), numTables(0), searchRange(0),entrySelector(0),
     cmapTable(nullptr), cmSegCount(0), cmSearchRange(0), cmEntrySelector(0),

icu4c/source/test/perf/unisetperf/draft/bitset.cpp

@@ -26,6 +26,10 @@
 #include "unicont.h"
 #include "cmemory.h" // for UPRV_LENGTHOF
 
+using icu::UObject;
+using icu::UnicodeSet;
+using icu::UnicodeSetIterator;
+
 /*
  * Hash table for up to 1k 64-bit words, for 1 bit per BMP code point.
  * Hashes 64-bit words and maps them to 16-bit integers which are

icu4c/source/test/perf/unisetperf/draft/trieset.cpp

@@ -24,6 +24,10 @@
 #include "unicode/utypes.h"
 #include "unicont.h"
 
+using icu::UObject;
+using icu::UnicodeSet;
+using icu::UnicodeSetIterator;
+
 #define UTRIE_GET8_LATIN1(trie) ((const uint8_t *)(trie)->data32+UTRIE_DATA_BLOCK_LENGTH)
 
 #define UTRIE_GET8_FROM_LEAD(trie, c16) \

icu4c/source/test/thaitest/thaitest.cpp

@@ -20,6 +20,12 @@
 #include "unicode/uniset.h"
 #include "unicode/ustring.h"
 
+using icu::BreakIterator;
+using icu::Locale;
+using icu::UCharCharacterIterator;
+using icu::UnicodeSet;
+using icu::UnicodeString;
+
 /*
  * This program takes a Unicode text file containing Thai text with
  * spaces inserted where the word breaks are. It computes a copy of

icu4c/source/tools/escapesrc/tblgen.cpp

@@ -6,6 +6,9 @@
 #include "unicode/uniset.h"
 #include <stdio.h>
 
+using icu::LocalUConverterPointer;
+using icu::UnicodeSet;
+
 static const char *kConverter = "ibm-1047";
 
 int main(int argc, const char *argv[]) {

icu4c/source/tools/gencolusb/extract_unsafe_backwards.cpp

@@ -14,6 +14,10 @@
 #include "collationroot.h"
 #include "collationtailoring.h"
 
+using icu::CollationCacheEntry;
+using icu::CollationRoot;
+using icu::UnicodeSet;
+
 /**
  * Define the type of generator to use. Choose one.
  */

icu4c/source/tools/gencolusb/verify_uset.cpp

@@ -15,6 +15,9 @@
 
 #include "collunsafe.h"
 
+using icu::Collator;
+using icu::Locale;
+using icu::UnicodeSet;
 
 int main(int argc, const char *argv[]) {
   puts("verify");