path_to: Find path to a particular kind of item

In parseLatex: Parse 'LaTeX' Code

Find path to a particular kind of item

Description

Find path to a particular kind of item

Usage

path_to(items, is_fn, ..., all = FALSE)

get_item(items, path)

set_item(items, path, value)

get_container(items, path)

get_which(path)

Arguments

items	A list of latex items.
is_fn	Which test function to use.
...	Additional parameters to pass to is_fn.
all	Find all matching, or the first?
path	Integer vector of subitems
value	A LaTeX2item to set as a value.

Details

path_to() does a recursive search in the order items appear in the deparse.

Value

path_to() returns the recursive path to the first example matching the is_fn conditions, or a list of paths to all matching items.

get_item() returns the item at the given path.

set_item() replaces the item at the given path, and returns the modified version of items.

get_container() returns the item containing the given path

get_which() returns the index of the item within its container.

Examples

latex <- kableExtra::kbl(mtcars[1:2, 1:2], format = "latex", caption = "Sample table")
parsed <- parseLatex(latex)
parsed
path <- path_to(parsed, is_fn = is_env,
                        envtypes = "tabular")
get_item(parsed, path)

parseLatex documentation built on April 3, 2025, 5:27 p.m.