Beginnings of a simple command line interface

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1051 0fc631ac-6414-0410-93d0-97cfa31319b6

src/cli/text_io_handler.cpp

@@ -0,0 +1,103 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2008 Twan van Laarhoven and "coppro"              |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <cli/text_io_handler.hpp>
+
+// ----------------------------------------------------------------------------- : Text I/O handler
+
+const Char* BRIGHT   = _("\x1B[1m");
+const Char* NORMAL   = _("\x1B[0m");
+const Char* PARAM    = _("\x1B[33m");
+const Char* FILE_EXT = _("\x1B[0;1m");
+const Char* GRAY     = _("\x1B[1;30m");
+const Char* RED      = _("\x1B[1;31m");
+const Char* ENDL     = _("\n");
+
+TextIOHandler cli;
+
+
+void TextIOHandler::init() {
+	#ifdef __WXMSW__
+		have_console = false;
+		escapes = false;
+		// Detect whether to use console output
+		// GetStdHandle sometimes returns an invalid handle instead of INVALID_HANDLE_VALUE
+		// check with GetHandleInformation
+		HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
+		DWORD flags;
+		bool ok = GetHandleInformation(h,&flags);
+		if (ok) have_console = true;
+		// Detect the --color flag, indicating we should allow escapes
+		if (have_console) {
+			for (int i = 1 ; i < wxTheApp->argc ; ++i) {
+				if (String(wxTheApp->argv[i]) == _("--color")) {
+					escapes = true;
+					break;
+				}
+			}
+		}
+	#else
+		// always use console on *nix (?)
+		have_console = true;
+		escapes = true;
+	#endif
+}
+
+bool TextIOHandler::haveConsole() const {
+	return have_console;
+}
+
+
+void TextIOHandler::flush() {
+	if (have_console) {
+		fflush(stdout);
+	} else if (!buffer.empty()) {
+		// Show message box
+		wxMessageBox(buffer, _("Magic Set Editor"), wxOK | wxICON_INFORMATION);
+		buffer.clear();
+	}
+}
+
+TextIOHandler& TextIOHandler::operator << (const Char* str) {
+	if (escapes || str[0] != 27) {
+		if (have_console) {
+			IF_UNICODE(wprintf,printf)(str);
+		} else {
+			buffer += str;
+		}
+	}
+	return *this;
+}
+
+TextIOHandler& TextIOHandler::operator << (const String& str) {
+	if (escapes || str.empty() || str.GetChar(0) != 27) {
+		if (have_console) {
+			IF_UNICODE(wprintf,printf)(str.c_str());
+		} else {
+			buffer += str;
+		}
+	}
+	return *this;
+}
+
+String TextIOHandler::getLine() {
+	String result;
+	Char buffer[2048];
+	while (true) {
+		if (!IF_UNICODE(fgetws,fgets)(buffer, 2048, stdin)) {
+			return result; // error
+		}
+		result += buffer;
+		if (result.GetChar(result.size()-1) == _('\n')) {
+			// drop newline, done
+			result.resize(result.size() - 1);
+			return result;
+		}
+	}
+}