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

#include "syntax.h"

void compile_enter_tag(char** string) {
	int len = strlen(*string);
	*string = realloc(*string, len + 3 * sizeof(char));
	string[0][len + 0] = '{';
	string[0][len + 1] = '%';
	string[0][len + 2] = '\0';
}

void compile_exit_tag(char** string) {
	int len = strlen(*string);
	*string = realloc(*string, len + 3 * sizeof(char));
	string[0][len + 0] = '%';
	string[0][len + 1] = '}';
	string[0][len + 2] = '\0';
}

void string_append(char** string, char* append) {
	int len = strlen(*string);
	*string = realloc(*string, len + strlen(append) + sizeof(char));
	strcpy(*string + len, append);
}

char* compile(tSyntaxElement* syntaxtree) {
	char* result = calloc(1,sizeof(char));
	if (se_istraversable(syntaxtree)) {
		if (syntaxtree->content.syntax->type == TOKEN) {
			tSyntaxElement* token = syntaxtree->content.syntax;
			if (strcmp(token->content.string, "def") == 0) {
			} else
			if (strcmp(token->content.string, "set") == 0) {
				compile_enter_tag(&result);
				string_append(&result, "set ");
				string_append(&result,token->next->content.string);
				string_append(&result,"=");
				string_append(&result,token->next->next->content.string);
				compile_exit_tag(&result);
			}
		}
	}
	return result;
}