68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* commands.c: all command functions (see commands_parser.c)
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*
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*/
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#pragma once
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#include <yajl/yajl_gen.h>
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/*
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* Holds an intermediate represenation of the result of a call to any command.
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* When calling parse_command("floating enable, border none"), the parser will
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* internally use this struct when calling cmd_floating and cmd_border.
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*/
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struct CommandResultIR {
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/* The JSON generator to append a reply to (may be NULL). */
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yajl_gen json_gen;
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/* The next state to transition to. Passed to the function so that we can
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* determine the next state as a result of a function call, like
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* cfg_criteria_pop_state() does. */
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int next_state;
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/* Whether the command requires calling tree_render. */
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bool needs_tree_render;
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};
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typedef struct CommandResult CommandResult;
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/**
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* A struct that contains useful information about the result of a command as a
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* whole (e.g. a compound command like "floating enable, border none").
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* needs_tree_render is true if needs_tree_render of any individual command was
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* true.
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*/
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struct CommandResult {
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bool parse_error;
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/* the error_message is currently only set for parse errors */
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char *error_message;
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bool needs_tree_render;
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};
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/**
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* Parses a string (or word, if as_word is true). Extracted out of
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* parse_command so that it can be used in src/workspace.c for interpreting
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* workspace commands.
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*
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*/
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char *parse_string(const char **walk, bool as_word);
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/**
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* Parses and executes the given command. If a caller-allocated yajl_gen is
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* passed, a json reply will be generated in the format specified by the ipc
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* protocol. Pass NULL if no json reply is required.
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*
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* Free the returned CommandResult with command_result_free().
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*/
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CommandResult *parse_command(const char *input, yajl_gen gen);
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/**
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* Frees a CommandResult
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*/
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void command_result_free(CommandResult *result);
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