initial checkin of C++ port (in progress)

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@2 0fc631ac-6414-0410-93d0-97cfa31319b6

src/util/string.cpp

@@ -0,0 +1,118 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include "string.hpp"
+#include "for_each.hpp"
+#include <wx/txtstrm.h>
+
+// ----------------------------------------------------------------------------- : Unicode
+
+String decodeUTF8BOM(const String& s) {
+	#ifdef UNICODE
+		if (!s.empty() && s.GetChar(0) == L'\xFEFF') {
+			// skip byte-order-mark
+			return s.substr(1);
+		} else {
+			return s;
+		}
+	#else
+		wxWCharBuffer buf = s.wc_str(wxConvUTF8);
+		if (buf && buf[size_t(0)] == L'\xFEFF') {
+			// skip byte-order-mark
+			return String(buf + 1, *wxConvCurrent);
+		} else {
+			return String(buf,     *wxConvCurrent);
+		}
+	#endif
+}
+
+void writeUTF8(wxTextOutputStream& stream, const String& str) {
+	#ifdef UNICODE
+		stream.WriteString(str);
+	#else
+		wxWCharBuffer buf = str.wc_str(*wxConvCurrent);
+		stream.WriteString(wxString(buf, wxConvUTF8));
+	#endif
+}
+
+// ----------------------------------------------------------------------------- : String utilities
+
+String trim(const String& s){
+	size_t start = s.find_first_not_of(_(" \t"));
+	size_t end   = s.find_last_not_of( _(" \t"));
+	if (start == String::npos) {
+		return String();
+	} else {
+		return s.substr(start, end - start + 1);
+	}
+}
+
+String trimLeft(const String& s) {
+	size_t start = s.find_first_not_of(_(' '));
+	if (start == String::npos) {
+		return String();
+	} else {
+		return s.substr(start);
+	}
+}
+
+// ----------------------------------------------------------------------------- : Words
+
+String lastWord(const String& s) {
+	size_t endLastWord   = s.find_last_not_of(_(' '));
+	size_t startLastWord = s.find_last_of(    _(' '), endLastWord);
+	if (endLastWord == String::npos) {
+		return String(); // empty string
+	} else if (startLastWord == String::npos) {
+		return s.substr(0, endLastWord + 1);// first word
+	} else {
+		return s.substr(startLastWord + 1, endLastWord - startLastWord);
+	}
+}
+
+String stripLastWord(const String& s) {
+	size_t endLastWord   = s.find_last_not_of(_(' '));
+	size_t startLastWord = s.find_last_of(_(' '), endLastWord);
+	if (endLastWord == String::npos || startLastWord == String::npos) {
+		return String(); // single word or empty string
+	} else {
+		return s.substr(0, startLastWord + 1);
+	}
+}
+
+// ----------------------------------------------------------------------------- : Caseing
+
+/// Quick check to see if the substring starting at the given iterator is equal
+/// to some given string
+bool is_substr(const String& s, String::iterator it, const Char* cmp) {
+	while (it != s.end() && *cmp != 0) {
+		if (*it++ != *cmp++) return false;
+	}
+	return *cmp == 0;
+}
+String capitalize(const String& s) {
+	String result = s;
+	bool afterSpace = true;
+	FOR_EACH_IT(it, result) {
+		if (*it == ' ') {
+			afterSpace = true;
+		} else if (afterSpace) {
+			afterSpace = false;
+			if (it != s.begin() &&
+			    (is_substr(result,it,_("is ")) || is_substr(result,it,_("the ")) ||
+			     is_substr(result,it,_("in ")) || is_substr(result,it,_("of "))  ||
+			     is_substr(result,it,_("to ")) || is_substr(result,it,_("at "))  ||
+			     is_substr(result,it,_("a " )))) {
+				// Short words are not capitalized, keep lower case
+			} else {
+				*it = toUpper(*it);
+			}
+		}
+	}
+	return result;
+}