- textparse.inc
- File
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/**
* vim: set ts=4 sw=4 tw=99 noet :
* =============================================================================
* SourceMod (C)2004-2014 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This file is part of the SourceMod/SourcePawn SDK.
*
* 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: $Id$
*/
#if defined _textparse_included
#endinput
#endif
#define _textparse_included
/********************************
* Everything below describes the SMC Parse, or "SourceMod Configuration" format.
* This parser is entirely event based. You must hook events to receive data.
* The file format itself is nearly identical to Valve's KeyValues format.
********************************/
/**
* Parse result directive.
*/
enum SMCResult
{
SMCParse_Continue, /**< Continue parsing */
SMCParse_Halt, /**< Stop parsing here */
SMCParse_HaltFail /**< Stop parsing and return failure */
};
/**
* Parse error codes.
*/
enum SMCError
{
SMCError_Okay = 0, /**< No error */
SMCError_StreamOpen, /**< Stream failed to open */
SMCError_StreamError, /**< The stream died... somehow */
SMCError_Custom, /**< A custom handler threw an error */
SMCError_InvalidSection1, /**< A section was declared without quotes, and had extra tokens */
SMCError_InvalidSection2, /**< A section was declared without any header */
SMCError_InvalidSection3, /**< A section ending was declared with too many unknown tokens */
SMCError_InvalidSection4, /**< A section ending has no matching beginning */
SMCError_InvalidSection5, /**< A section beginning has no matching ending */
SMCError_InvalidTokens, /**< There were too many unidentifiable strings on one line */
SMCError_TokenOverflow, /**< The token buffer overflowed */
SMCError_InvalidProperty1 /**< A property was declared outside of any section */
};
/**
* Called when parsing is started.
*
* @param smc The SMC Parse Handle.
*/
typedef SMC_ParseStart = function void (SMCParser smc);
/**
* Called when the parser is entering a new section or sub-section.
*
* Note: Enclosing quotes are always stripped.
*
* @param smc The SMC Parser.
* @param name String containing section name.
* @param opt_quotes True if the section name was quote-enclosed in the file.
* @return An SMCResult action to take.
*/
typedef SMC_NewSection = function SMCResult (SMCParser smc, const char[] name, bool opt_quotes);
/**
* Called when the parser finds a new key/value pair.
*
* Note: Enclosing quotes are always stripped.
*
* @param smc The SMCParser.
* @param key String containing key name.
* @param value String containing value name.
* @param key_quotes Whether or not the key was enclosed in quotes.
* @param value_quotes Whether or not the value was enclosed in quotes.
* @return An SMCResult action to take.
*/
typedef SMC_KeyValue = function SMCResult (SMCParser smc, const char[] key, const char[] value, bool key_quotes, bool value_quotes);
/** Called when the parser finds the end of the current section.
*
* @param smc The SMCParser.
* @return An SMCResult action to take.
*/
typedef SMC_EndSection = function SMCResult (SMCParser smc);
/**
* Called when parsing is halted.
*
* @param smc The SMCParser.
* @param halted True if abnormally halted, false otherwise.
* @param failed True if parsing failed, false otherwise.
*/
typedef SMC_ParseEnd = function void (SMCParser smc, bool halted, bool failed);
/**
* Callback for whenever a new line of text is about to be parsed.
*
* @param smc The SMCParser.
* @param line A string containing the raw line from the file.
* @param lineno The line number it occurs on.
* @return An SMCResult action to take.
*/
typedef SMC_RawLine = function SMCResult (SMCParser smc, const char[] line, int lineno);
// An SMCParser is a callback-driven parser for SourceMod configuration files.
// SMC files are similar to Valve KeyValues format, with two key differences:
// (1) SMC cannot handle single-item entries (that is, a key with no value).
// (2) SMC files can have multi-line comment blocks, whereas KeyValues cannot.
methodmap SMCParser < Handle
{
// Create a new SMC file format parser.
public native SMCParser();
// Parses an SMC file.
//
// @param file A string containing the file path.
// @param line An optional variable to store the last line number read.
// @param col An optional variable to store the last column number read.
// @return An SMCParseError result.
public native SMCError ParseFile(const char[] file, int &line = 0, int &col = 0);
// Sets the callback for receiving SMC_ParseStart events.
property SMC_ParseStart OnStart {
public native set(SMC_ParseStart func);
}
// Sets the callback for receiving SMC_ParseEnd events.
property SMC_ParseEnd OnEnd {
public native set(SMC_ParseEnd func);
}
// Sets the callback for receiving SMC_NewSection events.
property SMC_NewSection OnEnterSection {
public native set(SMC_NewSection func);
}
// Sets the callback for receiving SMC_EndSection events.
property SMC_EndSection OnLeaveSection {
public native set(SMC_EndSection func);
}
// Sets the callback for receiving SMC_KeyValue events.
property SMC_KeyValue OnKeyValue {
public native set(SMC_KeyValue func);
}
// Sets the callback for receiving SMC_RawLine events.
property SMC_RawLine OnRawLine {
public native set(SMC_RawLine func);
}
// Gets an error string for an SMCError code.
//
// @param error The SMCParseError code.
// @param buffer A string buffer for the error (contents undefined on failure).
// @param buf_max The maximum size of the buffer.
// @return The number of characters written to buffer.
public native void GetErrorString(SMCError error, char[] buffer, int buf_max);
};
/**
* Creates a new SMC file format parser. This is used to set parse hooks.
*
* @return A new Handle to an SMC Parse structure.
*/
native SMCParser SMC_CreateParser();
/**
* Parses an SMC file.
*
* @param smc A Handle to an SMC Parse structure.
* @param file A string containing the file path.
* @param line An optional by reference cell to store the last line number read.
* @param col An optional by reference cell to store the last column number read.
* @return An SMCParseError result.
* @error Invalid or corrupt Handle.
*/
native SMCError SMC_ParseFile(Handle smc, const char[] file, int &line=0, int &col=0);
/**
* Gets an error string for an SMCError code.
*
* @note SMCError_Okay returns false.
* @note SMCError_Custom (which is thrown on SMCParse_HaltFail) returns false.
*
* @param error The SMCParseError code.
* @param buffer A string buffer for the error (contents undefined on failure).
* @param buf_max The maximum size of the buffer.
* @return True on success, false otherwise.
*/
native bool SMC_GetErrorString(SMCError error, char[] buffer, int buf_max);
/**
* Sets the SMC_ParseStart function of a parse Handle.
*
* @param smc Handle to an SMC Parse.
* @param func SMC_ParseStart function.
* @error Invalid or corrupt Handle.
*/
native void SMC_SetParseStart(Handle smc, SMC_ParseStart func);
/**
* Sets the SMC_ParseEnd of a parse handle.
*
* @param smc Handle to an SMC Parse.
* @param func SMC_ParseEnd function.
* @error Invalid or corrupt Handle.
*/
native void SMC_SetParseEnd(Handle smc, SMC_ParseEnd func);
/**
* Sets the three main reader functions.
*
* @param smc An SMC parse Handle.
* @param ns An SMC_NewSection function pointer.
* @param kv An SMC_KeyValue function pointer.
* @param es An SMC_EndSection function pointer.
*/
native void SMC_SetReaders(Handle smc, SMC_NewSection ns, SMC_KeyValue kv, SMC_EndSection es);
/**
* Sets a raw line reader on an SMC parser Handle.
*
* @param smc Handle to an SMC Parse.
* @param func SMC_RawLine function.
*/
native void SMC_SetRawLine(Handle smc, SMC_RawLine func);