stringtable.cxx

changeset 20
d7b13805d1e0
child 21
ae602e667879
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stringtable.cxx	Sat Jul 14 20:35:50 2012 +0300
@@ -0,0 +1,105 @@
+/*
+ *	botc source code
+ *	Copyright (C) 2012 Santeri `Dusk` Piippo
+ *	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. Neither the name of the developer nor the names of its contributors may
+ *	   be used to endorse or promote products derived from this software without
+ *	   specific prior written permission.
+ *	4. Redistributions in any form must be accompanied by information on how to
+ *	   obtain complete source code for the software and any accompanying
+ *	   software that uses the software. The source code must either be included
+ *	   in the distribution or be available for no more than the cost of
+ *	   distribution plus a nominal fee, and must be freely redistributable
+ *	   under reasonable conditions. For an executable file, complete source
+ *	   code means the source code for all modules it contains. It does not
+ *	   include source code for modules or files that typically accompany the
+ *	   major components of the operating system on which the executable file
+ *	   runs.
+ *	
+ *	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
+ */
+
+#define __STRINGTABLE_CXX__
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "common.h"
+#include "bots.h"
+#include "stringtable.h"
+
+StringTable::StringTable() {
+	// Zero out everything first.
+	for (unsigned int a = 0; a < MAX_LIST_STRINGS; a++)
+		for (unsigned int b = 0; b < MAX_STRING_LENGTH; b++)
+			table[a][b] = 0;
+}
+
+unsigned int StringTable::Push (char* s) {
+	// Determine the length
+	size_t l1 = strlen (s);
+	size_t l2 = MAX_LIST_STRINGS - 1;
+	size_t len = (l1 < l2) ? l1 : l2;
+	
+	// First, copy the string to a temporary buffer, since otherwise
+	// it gets lost and becomes empty.
+	char tmp[len+1];
+	strncpy (tmp, s, len);
+	tmp[len] = 0;
+	
+	// Find a free slot in the table. 
+	unsigned int a;
+	for (a = 0; a < MAX_LIST_STRINGS; a++) {
+		if (!strcmp (tmp, table[a]))
+			return a;
+		
+		// String is empty, thus it's free.
+		if (!strlen (table[a]))
+			break;
+	}
+	
+	// no free slots!
+	if (a == MAX_LIST_STRINGS)
+		error ("too many strings defined!");
+	
+	// Now, dump the string into the slot
+	strncpy (table[a], tmp, len);
+	table[a][len] = 0;
+	
+	return a;
+}
+
+unsigned int StringTable::Count () {
+	unsigned int count = 0;
+	for (unsigned int a = 0; a < MAX_LIST_STRINGS; a++) {
+		if (!strlen (table[a]))
+			break;
+		else
+			count++;
+	}
+	return count;
+}
+
+char* StringTable::operator [] (unsigned int a) {
+	if (a > MAX_LIST_STRINGS)
+		return const_cast<char*> ("");
+	return table[a];
+}
\ No newline at end of file

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