Directory restructuring to make it easier to version projects that don't build zdoom.exe.

SVN r4 (trunk)

src/m_argv.cpp

@@ -0,0 +1,198 @@
+/*
+** m_argv.cpp
+** Manages command line arguments
+**
+**---------------------------------------------------------------------------
+** Copyright 1998-2005 Randy Heit
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+**
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**---------------------------------------------------------------------------
+**
+*/
+
+#include <string.h>
+#include "m_argv.h"
+#include "cmdlib.h"
+
+IMPLEMENT_CLASS (DArgs)
+
+DArgs::DArgs ()
+{
+	m_ArgC = 0;
+	m_ArgV = NULL;
+}
+
+DArgs::DArgs (int argc, char **argv)
+{
+	CopyArgs (argc, argv);
+}
+
+DArgs::DArgs (const DArgs &other)
+{
+	CopyArgs (other.m_ArgC, other.m_ArgV);
+}
+
+
+DArgs::~DArgs ()
+{
+	FlushArgs ();
+}
+
+DArgs &DArgs::operator= (const DArgs &other)
+{
+	FlushArgs ();
+	CopyArgs (other.m_ArgC, other.m_ArgV);
+	return *this;
+}
+
+void DArgs::SetArgs (int argc, char **argv)
+{
+	FlushArgs ();
+	CopyArgs (argc, argv);
+}
+
+void DArgs::CopyArgs (int argc, char **argv)
+{
+	int i;
+
+	m_ArgC = argc;
+	m_ArgV = new char *[argc];
+	for (i = 0; i < argc; i++)
+		m_ArgV[i] = copystring (argv[i]);
+}
+
+void DArgs::FlushArgs ()
+{
+	int i;
+
+	for (i = 0; i < m_ArgC; i++)
+		delete[] m_ArgV[i];
+	delete[] m_ArgV;
+	m_ArgC = 0;
+	m_ArgV = NULL;
+}
+
+//
+// CheckParm
+// Checks for the given parameter in the program's command line arguments.
+// Returns the argument number (1 to argc-1) or 0 if not present
+//
+int DArgs::CheckParm (const char *check, int start) const
+{
+	for (int i = start; i < m_ArgC; ++i)
+		if (!stricmp (check, m_ArgV[i]))
+			return i;
+
+	return 0;
+}
+
+char *DArgs::CheckValue (const char *check) const
+{
+	int i = CheckParm (check);
+
+	if (i > 0 && i < m_ArgC - 1)
+		return m_ArgV[i+1][0] != '+' && m_ArgV[i+1][0] != '-' ? m_ArgV[i+1] : NULL;
+	else
+		return NULL;
+}
+
+char *DArgs::GetArg (int arg) const
+{
+	if (arg >= 0 && arg < m_ArgC)
+		return m_ArgV[arg];
+	else
+		return NULL;
+}
+
+char **DArgs::GetArgList (int arg) const
+{
+	if (arg >= 0 && arg < m_ArgC)
+		return &m_ArgV[arg];
+	else
+		return NULL;
+}
+
+int DArgs::NumArgs () const
+{
+	return m_ArgC;
+}
+
+void DArgs::AppendArg (const char *arg)
+{
+	char **temp = new char *[m_ArgC + 1];
+	if (m_ArgV)
+	{
+		memcpy (temp, m_ArgV, sizeof(*m_ArgV) * m_ArgC);
+		delete[] m_ArgV;
+	}
+	temp[m_ArgC] = copystring (arg);
+	m_ArgV = temp;
+	m_ArgC++;
+}
+
+DArgs *DArgs::GatherFiles (const char *param, const char *extension, bool acceptNoExt) const
+{
+	DArgs *out = new DArgs;
+	int i;
+	size_t extlen = strlen (extension);
+
+	if (extlen > 0)
+	{
+		for (i = 1; i < m_ArgC && *m_ArgV[i] != '-' && *m_ArgV[i] != '+'; i++)
+		{
+			size_t len = strlen (m_ArgV[i]);
+			if (len >= extlen && stricmp (m_ArgV[i] + len - extlen, extension) == 0)
+				out->AppendArg (m_ArgV[i]);
+			else if (acceptNoExt)
+			{
+				const char *src = m_ArgV[i] + len - 1;
+
+				while (src != m_ArgV[i] && *src != '/'
+			#ifdef _WIN32
+					&& *src != '\\'
+			#endif
+					)
+				{
+					if (*src == '.')
+						goto morefor;					// it has an extension
+					src--;
+				}
+				out->AppendArg (m_ArgV[i]);
+morefor:
+				;
+			}
+		}
+	}
+	if (param != NULL)
+	{
+		i = 1;
+		while (0 != (i = CheckParm (param, i)))
+		{
+			for (++i; i < m_ArgC && *m_ArgV[i] != '-' && *m_ArgV[i] != '+'; ++i)
+				out->AppendArg (m_ArgV[i]);
+		}
+	}
+	return out;
+}