#if defined _INC_y_mock
	#endinput
#endif
#define _INC_y_mock

/*+
 * <library name="y_mock">
 * <section>
 *  Description
 * </section>
 *  Wrap natives to return known fake values for testing.
 * <section>
 *  Version
 * </section>
 *  1.0
 * </library>
 *//** *//*
Legal:
	Version: MPL 1.1
	
	The contents of this file are subject to the Mozilla Public License Version 
	1.1 the "License"; you may not use this file except in compliance with 
	the License. You may obtain a copy of the License at 
	http://www.mozilla.org/MPL/
	
	Software distributed under the License is distributed on an "AS IS" basis,
	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
	for the specific language governing rights and limitations under the
	License.
	
	The Original Code is the YSI framework.
	
	The Initial Developer of the Original Code is Alex "Y_Less" Cole.
	Portions created by the Initial Developer are Copyright C 2011
	the Initial Developer. All Rights Reserved.

Contributors:
	Y_Less
	koolk
	JoeBullet/Google63
	g_aSlice/Slice
	Misiur
	samphunter
	tianmeta
	maddinat0r
	spacemud
	Crayder
	Dayvison
	Ahmad45123
	Zeex
	irinel1996
	Yiin-
	Chaprnks
	Konstantinos
	Masterchen09
	Southclaws
	PatchwerkQWER
	m0k1
	paulommu
	udan111

Thanks:
	JoeBullet/Google63 - Handy arbitrary ASM jump code using SCTRL.
	ZeeX - Very productive conversations.
	koolk - IsPlayerinAreaEx code.
	TheAlpha - Danish translation.
	breadfish - German translation.
	Fireburn - Dutch translation.
	yom - French translation.
	50p - Polish translation.
	Zamaroht - Spanish translation.
	Los - Portuguese translation.
	Dracoblue, sintax, mabako, Xtreme, other coders - Producing other modes for
		me to strive to better.
	Pixels^ - Running XScripters where the idea was born.
	Matite - Pestering me to release it and using it.

Very special thanks to:
	Thiadmer - PAWN, whose limits continue to amaze me!
	Kye/Kalcor - SA:MP.
	SA:MP Team past, present and future - SA:MP.

Optional plugins:
	Gamer_Z - GPS.
	Incognito - Streamer.
	Me - sscanf2, fixes2, Whirlpool.
*/

#include "..\YSI_Coding\y_hooks"

static stock
	YSI_g_sMockFile[2024];

hook OnScriptInit()
{
	// Add a file.
	strcat(YSI_g_sMockFile, "YSI/test_ini/test1.ini\1" \
		"key0 = 42"       "\r\n" \
		"key1 = 43"       "\r\n" \
		"key2 = 45"       "\r\n" \
		"key4 = 46"       "\r\n" \
		"key3 = 47"       "\r\n" \
		""                "\r\n" \
		"[atag]"          "\r\n" \
		""                "\r\n" \
		"key0 = hello"    "\r\n" \
		"otherKey = 5.5"  "\r\n" \
		"myKey = false"   "\r\n" \
		""                "\r\n" \
		"[@@filter-tag2]" "\r\n" \
		""                "\r\n" \
		"filtered1 = yes" "\r\n" \
		"filtered2 = no"  "\r\n" \
		"\r\n\2");
	// Add a file.
	strcat(YSI_g_sMockFile, "YSI/test_ini/test2.ini\1" \
		"[tag0]"        "\r\n" \
		"key0 = 101"    "\r\n" \
		"key1 = 102"    "\r\n" \
		""              "\r\n" \
		"[tag1] : tag0" "\r\n" \
		""              "\r\n" \
		"key2 = 103"    "\r\n" \
		"key3 = 104"    "\r\n" \
		""              "\r\n" \
		"[tag2] : tag1" "\r\n" \
		""              "\r\n" \
		"key4 = 105"    "\r\n" \
		"key5 = 106"    "\r\n" \
		"; Overwrite"   "\r\n" \
		"key0 = 107"    "\r\n" \
		"\r\n\2");
}

static stock Mock_Compare(const name[], s, e)
{
	// Compare the file names, allowing "/" and "\" to match.
	new
		i = 0;
	while (s != e)
	{
		switch (name[i])
		{
			case '\0': return false;
			case '/', '\\': if (YSI_g_sMockFile[s] != '\\' && YSI_g_sMockFile[s] != '/') return false;
			default: if (YSI_g_sMockFile[s] != name[i]) return false;
		}
		++i;
		++s;
	}
	return name[i] == '\0';
}

stock File:Mock_fopen(const name[], filemode:mode = io_readwrite)
{
	// This function is not well optimised, but it doesn't need to be.  It only
	// provides a common and constant interface with which we can profile other
	// functions that read files.
	assert(mode == io_read);
	// Find the named file.
	new
		pos = 0,
		end;
	do
	{
		end = strfind(YSI_g_sMockFile, "\1", false, pos);
		//printf("Trying: %s %d %d", name, pos, end);
		if (Mock_Compare(name, pos, end)) return File:(end + 1);
		pos = strfind(YSI_g_sMockFile, "\2", false, pos) + 1;
	}
	while (YSI_g_sMockFile[pos]);
	return File:0;
}

stock Mock_fread(&File:handle, dest[], len = sizeof (dest))
{
	if (YSI_g_sMockFile[_:handle] == '\2') return 0;
	new
		ret = strfind(YSI_g_sMockFile[_:handle], "\r\n") + 2;
	strcpy(dest, YSI_g_sMockFile[_:handle], min(len, ret + 1));
	handle += File:ret;
	return ret;
}

stock Mock_fseek(&File:handle, position = 0, seek_whence:whence = seek_start)
{
	switch (whence)
	{
		case seek_start:
		{
			// Loop backwards.
			for (new i = _:handle; --i; )
			{
				if (YSI_g_sMockFile[i] == '\1')
				{
					handle = File:(position + i + 1);
					return 1;
				}
			}
		}
		case seek_current:
		{
			handle += File:position;
			return 1;
		}
		case seek_end:
		{
			handle = File:(strfind(YSI_g_sMockFile, "\2", false, _:handle) - position);
			return 1;
		}
	}
	return 0;
}

stock Mock_fclose(&File:handle)
{
	handle = File:0;
	return 0;
}

#if defined YSI_MOCK_READER
	#if defined _ALS_fopen
		#undef fopen
	#else
		#define _ALS_fopen
	#endif
	#define fopen Mock_fopen
	
	#if defined _ALS_fread
		#undef fread
	#else
		#define _ALS_fread
	#endif
	#define fread Mock_fread
	
	#if defined _ALS_fseek
		#undef fseek
	#else
		#define _ALS_fseek
	#endif
	#define fseek Mock_fseek
	
	#if defined _ALS_fclose
		#undef fclose
	#else
		#define _ALS_fclose
	#endif
	#define fclose Mock_fclose
#endif