extends cpp

priority 200

global !p
def complete(t, opts):
	if t:
		opts = [m[len(t):] for m in opts if m.startswith(t)]
	if len(opts) == 1:
		return opts[0]
	return '(' + '|'.join(opts) + ')'
endglobal

snippet helloworld "Hello World"
#include <stdio.h>

int main(void){(void)printf("Hello World!\n");return 0;}
endsnippet

snippet for "For-loop head"
for (${1:int ${2:i}} = ${3:0}; ${4:$2 < $5}; ${6:$2++}) {
	$7
}
$0
endsnippet

snippet while "while loop head"
for (;$1;) {
	$2
}
$0
endsnippet

snippet fun "New Function"
${1:int} ${2:MyFunc} (${3:void}) {
	`!p
if t[1].replace('static ', '') != "void":
	snip.rv = f"{t[1].replace('static ', '')} rv = 0;"
else:
	snip.rv = ""`
	$5
	`!p
if t[1].replace('static ', '') != "void":
	snip.rv = f"return rv;"
else:
	snip.rv = ""`
}
$0
endsnippet

snippet pfun "prototype for function" bA
/**
 *	@name $2
 *	@return $1
 *  @brief ${4: Description}
 *	`!p
params = t[3].replace(", ", ",").split(",")
rval = ""
for param in params:
	if len(param.split(' ')) >= 2:
		rval += f"\n *\t@param {param}"
snip.rv = rval`
 */
${1:int} ${2:MyFunc} (${3:void});
endsnippet

snippet exfun "New Function with Documentation"
/**
 *	@name $2
 *	@return $1
 *  @brief ${4: Description}
 *	`!p
params = t[3].replace(", ", ",").split(",")
rval = ""
for param in params:
	if len(param.split(' ')) >= 2:
		rval += f"\n *\t@param {param}"
snip.rv = rval`
 */
${1:int} ${2:MyFunc} (${3:void}) {
	/* Returns ${5:void} */
	`!p
if t[1].replace('static ', '') != "void":
	snip.rv = f"{t[1].replace('static ', '')} {t[5]} = 0;"
else:
	snip.rv = ""`
	$6
	`!p
if t[1].replace('static ', '') != "void":
	snip.rv = f"return {t[5]};"
else:
	snip.rv = ""`
}
$0
endsnippet

snippet "(\w+) = malloc" "Automativ malloc error implementation" rA
/* Allocate memory for `!p snip.rv = match.group(1)` */
`!p snip.rv = match.group(1)` = ($1*)malloc(sizeof(${1:int}) * $2);
if (!`!p snip.rv = match.group(1)`) {
	/* Error */
	(void)printf("ERROR: malloc error on memory allocation of: `!p snip.rv = match.group(1)`!\n");
	exit(EXIT_FAILURE);
}
$0
endsnippet

snippet swap "Swap two integer or numerical variables"
/* Swap Variables $1 and $2 */
${1:Var1}	=	$1	+	${2:Var2};
$2	=	$1	-	$2;
$1	=	$1	-	$2;
$0
endsnippet

snippet defstruct "define a new type with a struct" A
/* define struct $1 ${2:Explaination} */
typedef struct $1 $1;
struct $1 {
	$3
};
endsnippet

snippet docstring "Meta Comment for Documenation" A
/*
 * Filename:	`!p snip.rv = fn`
 * Author:		${1:Yannick Reiss}
 * Date:		`date`
 * Project:		${2:Project Name}
 * Copyright:	${3:None}
 * Description:	${4:Funny module}
 *
 */$0
endsnippet

snippet templatehsrm "Program templte from HSRM" A
/* include */
$1

/* makros */
$2

/* typ definitions */
$3

/* local function prototypes */
$4

/* global constants */
$5

/* global variables */
$6

/* local constants */
$7

/* local variables */
$8

/* global and local function implementations */
$0
endsnippet

snippet /* "comment" A
/* $1 */$0
endsnippet

snippet fflush "flush stdout" iA
/* flush stdout */
if ( fflush(stdout) ) {
	perror("Could not flush stdout");
	exit(EXIT_FAILURE);
	}
endsnippet

snippet switch "Classic C switch statement" b
switch(${1:Expression}) {
	case $3:
		$4
		break;$5
	default:
		$2
}$0
endsnippet