/**

 * vim: set ts=4 :

 * ===============================================================

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

 * ===============================================================

 *

 *  This file is part of the SourceMod/SourcePawn SDK.  This file may only be used 

 * or modified under the Terms and Conditions of its License Agreement, which is found 

 * in LICENSE.txt.  The Terms and Conditions for making SourceMod extensions/plugins 

 * may change at any time.  To view the latest information, see:

 *   http://www.sourcemod.net/license.php

 *

 * Version: $Id$

 */

#if defined _string_included

 #endinput

#endif

#define _string_included

/**

 * @global Unless otherwise noted, all string functions which take in a writable buffer 

 * and maximum length should have the null terminator INCLUDED in the length.  This means 

 * that this is valid: StrCopy(string, sizeof(string), ...)

 */

/**

 * Calculates the length of a string.

 *

 * @param str			String to check.

 * @return				Length of string, in cells (NOT characters).

 */

native strlen(const String:str[]);

/**

 * Tests whether a string is found inside another string.

 *

 * @param str			String to search in.

 * @param substr		Substring to find inside the original string.

 * @param caseSensitive	If true (default), search is case sensitive.

 *						If false, search is case insensitive.

 * @return				-1 on failure (no match found). Any other value

 *						indicates a position in the string where the match starts.

 */

native StrContains(const String:str[], const String:substr[], bool:caseSensitive=true);

/**

 * Compares two strings lexographically.

 *

 * @param str1			First string (left).

 * @param str2			Second string (right).

 * @param caseSensitive	If true (default), comparison is case sensitive.

 *						If false, comparison is case insensitive.

 * @return				-1 if str1 < str2

 *						0 if str1 == str2

 *						1 if str1 > str2

 */

native strcmp(const String:str1[], const String:str2[], bool:caseSensitive=true);

/**

 * Compares two strings parts lexographically.

 *

 * @param str1			First string (left).

 * @param str2			Second string (right).

 * @param num			Number of characters to compare.

 * @param caseSensitive	If true (default), comparison is case sensitive.

 *						If false, comparison is case insensitive.

 * @return				-1 if str1 < str2

 *						0 if str1 == str2

 *						1 if str1 > str2

 */

native strncmp(const String:str1[], const String:str2[], num, bool:caseSensitive=true);

/**

 * Backwards compatible stock - StrCompare is now strcmp

 */

stock StrCompare(const String:str1[], const String:str2[], bool:caseSensitive=true)

{

	return strcmp(str1, str2, caseSensitive);

}

/**

 * Returns whether two strings are equal.

 *

 *

 * @param str1			First string (left).

 * @param str2			Second string (right).

 * @param caseSensitive	If true (default), comparison is case sensitive.

 * 						If false, comparison is case insensitive.

 * @return				True if equal, false otherwise.

 */

stock bool:StrEqual(const String:str1[], const String:str2[], bool:caseSensitive=true)

{

	return (StrCompare(str1, str2, caseSensitive) == 0);

}

/**

 * Copies one string to another string.

 * @note If the destination buffer is too small to hold the source string, the 

 *       destination will be truncated.

 *

 * @param dest			Destination string buffer to copy to.

 * @param destlen		Destination buffer length (includes null terminator).

 * @param source		Source string buffer to copy from.

 * @return				Number of cells written.

 */

native StrCopy(String:dest[], destLen, const String:source[]);

/**

 * Formats a string according to the SourceMod format rules (see documentation).

 *

 * @param buffer		Destination string buffer.

 * @param maxlength		Maximum length of output string buffer.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @return				Number of cells written.

 */

native Format(String:buffer[], maxlength, const String:format[], any:...);

/**

 * Formats a string according to the SourceMod format rules (see documentation).

 * @note This is the same as Format(), except none of the input buffers can overlap the same

 *	     memory as the output buffer.  Since this security check is removed, it is slightly faster.

 *

 * @param buffer		Destination string buffer.

 * @param maxlength		Maximum length of output string buffer.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @return				Number of cells written.

 */

native FormatEx(String:buffer[], maxlength, const String:format[], any:...);

/**

 * Formats a string according to the SourceMod format rules (see documentation).

 * @note This is the same as Format(), except it grabs parameters from a parent parameter

 *       stack, rather than a local.  This is useful for implementing your own variable 

 *       argument functions.

 *

 * @param buffer		Destination string buffer.

 * @param maxlength		Maximum length of output string buffer.

 * @param format		Formatting rules.

 * @param varpos		Argument number which contains the '...' symbol.

 *						Note: Arguments start at 1.

 * @return 				Number of bytes written.

 */

native VFormat(String:buffer[], maxlength, const String:format[], varpos);

/**

 * Converts a string to an integer.

 *

 * @param str			String to convert.

 * @param nBase			Numerical base to use.  10 is default.

 * @return				Integer conversion of string, or 0 on failure.

 */

native StringToInt(const String:str[], nBase=10);

/**

 * Converts an integer to a string.

 *

 * @param num			Integer to convert.

 * @param str			Buffer to store string in.

 * @param maxlength		Maximum length of string buffer.

 * @return				Number of cells written to buffer.

 */

native IntToString(num, String:str[], maxlength);

/** 

 * Converts a string to a floating point number.

 *

 * @param str			String to convert to a foat.

 * @return				Floating point result, or 0.0 on error.

 */

native Float:StringToFloat(const String:str[]);

/**

 * Converts a floating point number to a string.

 *

 * @param num			Floating point number to convert.

 * @param str			Buffer to store string in.

 * @param maxlength		Maximum length of string buffer.

 * @return				Number of cells written to buffer.

 */

native FloatToString(Float:num, String:str[], maxlength);

/**

 * Finds the first "argument" in a string; either a set of space

 * terminated characters, or a fully quoted string.  After the 

 * argument is found, whitespace is read until the next portion

 * of the string is reached.  If nothing remains, -1 is returned.

 * Otherwise, the index to the first character is returned.

 *

 * @param source		Source input string.

 * @param arg			Stores argument read from string.

 * @param argLen		Maximum length of argument buffer.

 * @return				Index to next piece of string, or -1 if none.

 */

native StrBreak(const String:source[], String:arg[], argLen);