Introduce TextParser API.

amxmodx/textparse.h

@@ -0,0 +1,191 @@
+/**
+* vim: set ts=4 :
+* =============================================================================
+* SourceMod
+* Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+* =============================================================================
+*
+* This program is free software; you can redistribute it and/or modify it under
+* the terms of the GNU General Public License, version 3.0, as published by the
+* Free Software Foundation.
+*
+* 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, see <http://www.gnu.org/licenses/>.
+*
+* As a special exception, AlliedModders LLC gives you permission to link the
+* code of this program (as well as its derivative works) to "Half-Life 2," the
+* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+* by the Valve Corporation.  You must obey the GNU General Public License in
+* all respects for all other code used.  Additionally, AlliedModders LLC grants
+* this exception to all derivative works.  AlliedModders LLC defines further
+* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+* or <http://www.sourcemod.net/license.php>.
+*
+* Version: $Id$
+*/
+
+#ifndef _INCLUDE_TEXTPARSE_H_
+#define _INCLUDE_TEXTPARSE_H_
+
+#include "amxmodx.h"
+#include "CTextParsers.h"
+
+class ParseInfo : public ITextListener_SMC
+{
+public:
+	ParseInfo()
+	{
+		parse_start = -1;
+		parse_end = -1;
+		new_section = -1;
+		key_value = -1;
+		end_section = -1;
+		raw_line = -1;
+		handle = -1;
+	}
+	~ParseInfo() {}
+public:
+	void ReadSMC_ParseStart()
+	{
+		if (parse_start != -1)
+		{
+			executeForwards(parse_start, handle);
+		}
+	}
+
+	void ReadSMC_ParseEnd(bool halted, bool failed)
+	{
+		if (parse_end != -1)
+		{
+			executeForwards(parse_end, handle, halted ? 1 : 0, failed ? 1 : 0);
+		}
+	}
+
+	SMCResult ReadSMC_NewSection(const SMCStates *states, const char *name)
+	{
+		if (new_section != -1)
+		{
+			return (SMCResult)executeForwards(new_section, handle, name);
+		}
+
+		return SMCResult_Continue;
+	}
+
+	SMCResult ReadSMC_KeyValue(const SMCStates *states, const char *key, const char *value)
+	{
+		if (key_value != -1)
+		{
+			return (SMCResult)executeForwards(key_value, handle, key, value);
+		}
+
+		return SMCResult_Continue;
+	}
+
+	SMCResult ReadSMC_LeavingSection(const SMCStates *states)
+	{
+		if (end_section != -1)
+		{
+			return (SMCResult)executeForwards(end_section, handle, handle);
+		}
+
+		return SMCResult_Continue;
+	}
+
+	SMCResult ReadSMC_RawLine(const SMCStates *states, const char *line)
+	{
+		if (raw_line != -1)
+		{
+			return (SMCResult)executeForwards(raw_line, handle, line, states->line);
+		}
+
+		return SMCResult_Continue;
+	}
+public:
+	int parse_start;
+	int parse_end;
+	int new_section;
+	int key_value;
+	int end_section;
+	int raw_line;
+	int handle;
+};
+
+template <typename T>
+class TextParserHandles
+{
+private:
+	ke::Vector<T *> m_textparsers;
+
+public:
+	TextParserHandles() { }
+	~TextParserHandles()
+	{
+		this->clear();
+	}
+
+	void clear()
+	{
+		for (size_t i = 0; i < m_textparsers.length(); i++)
+		{
+			if (m_textparsers[i] != NULL)
+			{
+				delete m_textparsers[i];
+			}
+		}
+
+		m_textparsers.clear();
+	}
+	T *lookup(int handle)
+	{
+		handle--;
+
+		if (handle < 0 || handle >= static_cast<int>(m_textparsers.length()))
+		{
+			return NULL;
+		}
+
+		return m_textparsers[handle];
+	}
+	int create()
+	{
+		for (size_t i = 0; i < m_textparsers.length(); i++)
+		{
+			if (m_textparsers[i] == NULL)
+			{
+				// reuse handle
+				m_textparsers[i] = new T;
+
+				return static_cast<int>(i)+1;
+			}
+		}
+		m_textparsers.append(new T);
+		return m_textparsers.length();
+	}
+	bool destroy(int handle)
+	{
+		handle--;
+
+		if (handle < 0 || handle >= static_cast<int>(m_textparsers.length()))
+		{
+			return false;
+		}
+
+		if (m_textparsers[handle] == NULL)
+		{
+			return false;
+		}
+		delete m_textparsers[handle];
+		m_textparsers[handle] = NULL;
+
+		return true;
+	}
+};
+
+extern TextParserHandles<ParseInfo> g_TextParsersHandles;
+
+#endif // _INCLUDE_TEXTPARSE_H_