From: Owen Shepherd <owen.shepherd@e43.eu>
Date: Sat, 16 Mar 2013 20:33:00 +0000 (+0000)
Subject: PDCLIB-3 #resolve Implement towctrans/wctrans. Completes wctype.h
X-Git-Url: https://pd.if.org/git/?p=pdclib;a=commitdiff_plain;h=6e6c4e6b52f2516e4bb6b9f37c1e2e18cb7448b5

PDCLIB-3 #resolve Implement towctrans/wctrans. Completes wctype.h
---

diff --git a/functions/wctype/towctrans.c b/functions/wctype/towctrans.c
new file mode 100644
index 0000000..aea9b1a
--- /dev/null
+++ b/functions/wctype/towctrans.c
@@ -0,0 +1,37 @@
+/* towctrans( wint_t, wctrans_t )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <wctype.h>
+#ifndef REGTEST
+#include <string.h>
+#include <_PDCLIB_locale.h>
+
+wint_t towctrans( wint_t wc, wctrans_t trans )
+{
+    switch( trans ) {
+        case 0:                         return wc;
+        case _PDCLIB_WCTRANS_TOLOWER:   return towlower( wc );
+        case _PDCLIB_WCTRANS_TOUPPER:   return towupper( wc );
+        default: abort();
+    }
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE(towctrans(L'a', wctrans("toupper")) == L'A');
+    TESTCASE(towctrans(L'B', wctrans("toupper")) == L'B');
+    TESTCASE(towctrans(L'a', wctrans("tolower")) == L'a');
+    TESTCASE(towctrans(L'B', wctrans("tolower")) == L'b');
+    TESTCASE(towctrans(L'B', wctrans("invalid")) == L'B');
+    TESTCASE(towctrans(L'B', 0)                  == L'B');
+    return TEST_RESULTS;
+}
+#endif
diff --git a/functions/wctype/wctrans.c b/functions/wctype/wctrans.c
new file mode 100644
index 0000000..31f36be
--- /dev/null
+++ b/functions/wctype/wctrans.c
@@ -0,0 +1,38 @@
+/* wctrans( const char * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <wctype.h>
+#ifndef REGTEST
+#include <string.h>
+#include <_PDCLIB_locale.h>
+
+wctrans_t wctrans( const char * property )
+{
+    if(!property) {
+        return 0;
+    } else if(strcmp(property, "tolower") == 0) {
+        return _PDCLIB_WCTRANS_TOLOWER;
+    } else if(strcmp(property, "toupper") == 0) {
+        return _PDCLIB_WCTRANS_TOUPPER;
+    } else {
+        return 0;
+    }
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE(wctrans("") == 0);
+    TESTCASE(wctrans("invalid") == 0);
+    TESTCASE(wctrans("toupper") != 0);
+    TESTCASE(wctrans("tolower") != 0);
+    return TEST_RESULTS;
+}
+#endif
diff --git a/internals/_PDCLIB_locale.h b/internals/_PDCLIB_locale.h
index dbedc80..3b2dece 100644
--- a/internals/_PDCLIB_locale.h
+++ b/internals/_PDCLIB_locale.h
@@ -59,6 +59,9 @@
 #define _PDCLIB_CTYPE_DIGIT 256
 #define _PDCLIB_CTYPE_XDIGT 512
 
+#define _PDCLIB_WCTRANS_TOLOWER 1
+#define _PDCLIB_WCTRANS_TOUPPER 2
+
 typedef struct _PDCLIB_ctype
 {
     _PDCLIB_uint16_t flags;