Create ObjectiveC implementation file from interface file.

createimp.c

/*
 Input:
 - (void)viewWillDisappear:(BOOL)animated;
 
 Output:
 - (void)viewWillDisappear:(BOOL)animated{
 [handler_ viewWillDisappear:animated];
 }
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define L_MAX 1024

int strcpy_move(char *d, char *s){
	strcpy(d, s);
	return strlen(s);
}

void createImp(char *decl){
	char out[L_MAX];	//out buffer
	char *op = out;		//pointer to put buffer
	char *sl = decl;	//pointer for second line content
	char tmp[L_MAX];	//temp buffer
	char *tp;			//pointer to temp buffer
	char ch;
	char skip;
	
	//start
	while((*op++ = *decl++) != ';')
		;
	op--;
	
	//mid
	op += strcpy_move(op, "{\n");
	
	//second line
	while(*sl++ != '(')
		;
	for(tp = tmp; (*tp = *sl++) != ')'; tp++)
		;
	*tp = '\0';
	if(strcmp(tmp,"void"))
		op += strcpy_move(op, "return ");

	op += strcpy_move(op, "[handler_ ");
	
	skip = 0;
	while((ch = *sl++) != ';'){
		if(ch == '('){
			skip = 1;
		}else if(ch == ')'){
			skip = 0;
			continue;
		}
		
		if(!skip){
			*op++ = ch;
		}
	}
		
	op += strcpy_move(op, "];\n");
	
	//end
	op += strcpy_move(op, "}");
	
	//print
	printf("%s\n",out);
}

int main(){
	char input[L_MAX];
	char *lp = input;
	
	while((*lp = getchar()) != EOF){
		if(*lp == ';'){
			*(++lp) = '\0';
			createImp(input);
			lp = input;
		}else{
			lp++;
		}
	}
	return 0;
}