/* 

 * admin-overrides.sp

 * Reads overrides from the admin_levels.cfg file.  Do not compile this directly.

 * This file is part of SourceMod, Copyright (C) 2004-2007 AlliedModders LLC

 *

 * 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; either version 2

 * of the License, or (at your option) any later version.

 *

 * 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.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 *

  * Version: $Id$

 */

#define OVERRIDE_STATE_NONE			0

#define OVERRIDE_STATE_LEVELS		1

#define OVERRIDE_STATE_OVERRIDES	2

static Handle:g_hOverrideParser = INVALID_HANDLE;

static g_OverrideState = OVERRIDE_STATE_NONE;

public SMCResult:ReadOverrides_NewSection(Handle:smc, const String:name[], bool:opt_quotes)

{

	if (g_IgnoreLevel)

	{

		g_IgnoreLevel++;

		return SMCParse_Continue;

	}

	if (g_OverrideState == OVERRIDE_STATE_NONE)

	{

		if (StrEqual(name, "Levels"))

		{

			g_OverrideState = OVERRIDE_STATE_LEVELS;

		} else {

			g_IgnoreLevel++;

		}

	} else if (g_OverrideState == OVERRIDE_STATE_LEVELS) {

		if (StrEqual(name, "Overrides"))

		{

			g_OverrideState = OVERRIDE_STATE_OVERRIDES;

		} else {

			g_IgnoreLevel++;

		}

	} else {

		g_IgnoreLevel++;

	}

	return SMCParse_Continue;

}

public SMCResult:ReadOverrides_KeyValue(Handle:smc, 

										const String:key[], 

										const String:value[], 

										bool:key_quotes, 

										bool:value_quotes)

{

	if (g_OverrideState != OVERRIDE_STATE_OVERRIDES

		|| g_IgnoreLevel)

	{

		return SMCParse_Continue;

	}

	new AdminFlag:array[AdminFlags_TOTAL];

	new flags_total;

	new len = strlen(value);

	for (new i=0; i<len; i++)

	{

		if (value[i] < 'a' || value[i] > 'z')

		{

			ParseError("Invalid flag detected: %c", value[i]);

			continue;

		}

		new val = value[i] - 'a';

		if (!g_FlagsSet[val])

		{

			ParseError("Invalid flag detected: %c", value[i]);

			continue;

		}

		array[flags_total++] = g_FlagLetters[val];

	}

	new flags = FlagArrayToBits(array, flags_total);

	if (key[0] == '@')

	{

		AddCommandOverride(key[1], Override_CommandGroup, flags);

	} else {

		AddCommandOverride(key, Override_Command, flags);

	}

	return SMCParse_Continue;

}

public SMCResult:ReadOverrides_EndSection(Handle:smc)

{

	/* If we're ignoring, skip out */

	if (g_IgnoreLevel)

	{

		g_IgnoreLevel--;

		return SMCParse_Continue;

	}

	if (g_OverrideState == OVERRIDE_STATE_LEVELS)

	{

		g_OverrideState = OVERRIDE_STATE_NONE;

	} else if (g_OverrideState == OVERRIDE_STATE_OVERRIDES) {

		/* We're totally done parsing */

		g_OverrideState = OVERRIDE_STATE_LEVELS;

		return SMCParse_Halt;

	}

	return SMCParse_Continue;

}

static InitializeOverrideParser()

{

	if (g_hOverrideParser == INVALID_HANDLE)

	{

		g_hOverrideParser = SMC_CreateParser();

		SMC_SetReaders(g_hOverrideParser,

					   ReadOverrides_NewSection,

					   ReadOverrides_KeyValue,

					   ReadOverrides_EndSection);

	}

}

ReadOverrides()

{

	InitializeOverrideParser();

	BuildPath(Path_SM, g_Filename, sizeof(g_Filename), "configs/admin_levels.cfg");

	/* Set states */

	InitGlobalStates();

	g_OverrideState = OVERRIDE_STATE_NONE;

	new SMCError:err = SMC_ParseFile(g_hOverrideParser, g_Filename);

	if (err != SMCError_Okay)

	{

		decl String:buffer[64];

		if (SMC_GetErrorString(err, buffer, sizeof(buffer)))

		{

			ParseError("%s", buffer);

		} else {

			ParseError("Fatal parse error");

		}

	}

}