summaryrefslogtreecommitdiff
path: root/include/stringmgr.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/stringmgr.h')
-rw-r--r--include/stringmgr.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/include/stringmgr.h b/include/stringmgr.h
new file mode 100644
index 0000000..fe2eb5e
--- /dev/null
+++ b/include/stringmgr.h
@@ -0,0 +1,120 @@
+/******************************************************************************
+ * stringmgr.h - A class which provides string handling functions which can
+ * be reimplemented by frontends
+ *
+ * $Id: stringmgr.h 2098 2007-10-07 18:57:07Z scribe $
+ *
+ * Copyright 2005 CrossWire Bible Society (http://www.crosswire.org)
+ * CrossWire Bible Society
+ * P. O. Box 2528
+ * Tempe, AZ 85280-2528
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ */
+
+
+#ifndef STRINGMGR_H
+#define STRINGMGR_H
+
+#include <defs.h>
+#include <swbuf.h>
+#include <utilstr.h>
+
+SWORD_NAMESPACE_START
+
+/** StringMgr is a way to provide UTf8 handling by the Sword frontend
+ * Each platform, if it's up-to-date, should provide functions to handle unicode and utf8. This class makes it possible to implement Unicode support on the user-side and not in Sword itself.
+ */
+class SWDLLEXPORT StringMgr {
+public:
+
+ /** Sets the global StringMgr handle
+ * @param newStringMgr The new global StringMgr. This pointer will be deleted by this StringMgr
+ */
+ static void setSystemStringMgr(StringMgr *newStringMgr);
+
+ /** Returns the global StringMgr handle
+ * @return The global string handle
+ */
+ static StringMgr *getSystemStringMgr();
+
+ /** Checks whether Utf8 support is available.
+ * Override the function supportsUnicode() to tell whether your implementation has utf8 support.
+ * @return True if this implementation provides support for Utf8 handling or false if just latin1 handling is available
+ */
+ static inline bool hasUTF8Support() {
+ return getSystemStringMgr()->supportsUnicode();
+ };
+
+ /** Converts the param to an upper case Utf8 string
+ * @param text The text encoded in utf8 which should be turned into an upper case string
+ * @param max Max buffer size
+ * @return text buffer (only for convenience)
+ */
+ virtual char *upperUTF8(char *text, unsigned int max = 0) const;
+
+ /** Converts the param to an uppercase latin1 string
+ * @param text The text encoded in latin1 which should be turned into an upper case string
+ * @param max Max buffer size
+ * @return text buffer (only for convenience)
+ */
+ virtual char *upperLatin1(char *text, unsigned int max = 0) const;
+
+
+protected:
+ friend class __staticsystemStringMgr;
+
+ /** Default constructor. Protected to make instances on user side impossible, because this is a Singleton
+ */
+ StringMgr();
+
+ /** Copy constructor
+ */
+ StringMgr(const StringMgr &);
+
+ /** Destructor
+ */
+ virtual ~StringMgr();
+
+ virtual bool supportsUnicode() const;
+
+private:
+ static StringMgr *systemStringMgr;
+};
+
+inline char *toupperstr(char *t, unsigned int max = 0) {
+ return StringMgr::getSystemStringMgr()->upperUTF8(t, max);
+}
+
+inline char *toupperstr_utf8(char *t, unsigned int max = 0) {
+ return StringMgr::getSystemStringMgr()->upperUTF8(t, max);
+}
+
+/**
+ * Converts an SWBuf filled with UTF-8 to upper case
+ *
+ * @param b SWBuf to change to upper case
+ *
+ * @return b for convenience
+ */
+inline SWBuf &toupperstr(SWBuf &b) {
+ char *utf8 = 0;
+ stdstr(&utf8, b.c_str(), 2);
+ toupperstr(utf8, strlen(utf8)*2);
+ b = utf8;
+ delete [] utf8;
+ return b;
+}
+
+SWORD_NAMESPACE_END
+
+
+#endif //STRINGMGR_H