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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved tiling window manager
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* parser_util.h: utility functions for the config and commands parser
*
*/
#pragma once
struct stack_entry {
/* Just a pointer, not dynamically allocated. */
const char *identifier;
enum {
STACK_STR = 0,
STACK_LONG = 1,
} type;
union {
char *str;
long num;
} val;
};
struct stack {
struct stack_entry stack[10];
};
/**
* Pushes a string (identified by 'identifier') on the stack.
* If a string with the same identifier is already on the stack, the new
* string will be appended, separated by a comma.
*
*/
void parser_push_string(struct stack *stack, const char *identifier, const char *str);
/**
* Pushes a long (identified by 'identifier') on the stack.
*
*/
void parser_push_long(struct stack *stack, const char *identifier, long num);
/**
* Returns the string with the given identifier.
*
*/
const char *parser_get_string(const struct stack *stack, const char *identifier);
/**
* Returns the long with the given identifier.
*
*/
long parser_get_long(const struct stack *stack, const char *identifier);
/**
* Clears the stack.
*
*/
void parser_clear_stack(struct stack *stack);
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